Coaxial connector system with adapter

Abstract

A connector system includes an adapter with a first mating portion, a second mating portion, and a transition portion. A continuous outer wall extends through the first mating portion, the transition portion, and the second mating portion. A first terminal is located within the adapter. At least one receptacle has a receptacle mating section and a receptacle transition section. A continuous outer conductive wall of the receptacle extends through the receptacle mating section and the receptacle transition section. An inner wall of the receptacle extends perpendicular to the outer wall of the receptacle. A second terminal is positioned within the at least one receptacle. A retaining member is disposed within the receptacle mating section. The continuous outer wall and the continuous outer wall of the receptacle form a grounding shield that minimizes signal leakage from the first terminal and the second terminal.

Description

Technical Field

[0001] This invention relates to a coaxial connector system that improves signal isolation in board-to-board connections. In particular, this invention relates to a coaxial connector system with an adapter having a continuous, uninterrupted, and robust outer conductor. Background Technology

[0002] Due to the increasing complexity of electronic components, there is a desire to mount more components within a smaller space on circuit boards or other substrates. As a result, the space between signal traces and contacts on circuit boards has shrunk; however, the number of signal traces and contacts that can be accommodated on circuit boards has increased, thereby increasing the demand for electrical connectors capable of handling increasingly higher densities and speeds.

[0003] Coaxial connectors and adapters for providing interconnection between circuit boards are well-known in the industry. Such connectors and adapters can have ultra-miniature push-button (SMP) interfaces. Known adapters have teeth that provide mechanical and electrical interconnection with the external conductive surface of the mating connector. However, as connector and adapter sizes have increased to accommodate higher circuit board densities, the teeth of the adapters have needed to become smaller and less robust, making them susceptible to damage during mating and shipping. Furthermore, teeth often allow undesirable signal leakage between adjacent connectors, necessitating the use of conductive gaskets to provide adequate shielding to minimize crosstalk, as well as other acceptable electrical and mechanical characteristics.

[0004] Therefore, it is advantageous to provide a coaxial connector system that enhances signal isolation for board-to-board connections. Furthermore, it is advantageous to provide a coaxial connector with an adapter that provides a continuous, uninterrupted, and stable outer conductor to improve signal isolation for board-to-board connections. Summary of the Invention

[0005] This embodiment relates to a connector system. The system includes an adapter with a first mating portion, a second mating portion, and a transition portion. A continuous outer wall extends through the first mating portion, the transition portion, and the second mating portion. A first terminal is located within the adapter. At least one receptacle has a receptacle mating section and a receptacle transition section. A continuous outer conductive wall of the receptacle extends through the receptacle mating section and the receptacle transition section. An inner wall of the receptacle extends perpendicular to the outer wall of the receptacle. A second terminal is positioned within at least one receptacle. A retaining member is provided in the receptacle mating section. The continuous outer wall and the continuous outer wall of the receptacle form a grounding shield that minimizes signal leakage from the first terminal and the second terminal.

[0006] Other features and advantages of the invention will become apparent from the following more detailed description of illustrative embodiments in conjunction with the accompanying drawings, which illustrate the principles of the invention by way of example. Attached Figure Description

[0007] Figure 1 This is a perspective view of an illustrative embodiment of an adapter used in an illustrative coaxial connector system.

[0008] Figure 2 This is a perspective view of an illustrative embodiment of a substrate mounting socket in an illustrative coaxial connector system.

[0009] Figure 3 This is a perspective view of an illustrative embodiment of an inner spring in an illustrative coaxial connector system.

[0010] Figure 4 This is a perspective view of a coaxial connector system used to connect two substrates.

[0011] Figure 5 It is positioned in two Figure 2 The base plate mounting socket between Figure 1 The front view of the adapter shows the adapter before it is inserted into the mounting socket on the substrate.

[0012] Figure 6 It is along Figure 5 The cross-sectional view taken from line 6-6.

[0013] Figure 7 yes Figure 5 The front view of the adapter and substrate mounting socket shows the adapter already inserted into the substrate mounting socket.

[0014] Figure 8 It is along Figure 7 The cross-sectional view taken from line 8-8.

[0015] Figure 9 This is a perspective view of an illustrative embodiment of an alternative to the inner spring in an illustrative coaxial connector system.

[0016] Figure 10 It includes Figure 9 A cross-sectional view of the adapter with an inner spring positioned between two substrate mounting sockets shows the adapter before it is inserted into the substrate mounting sockets.

[0017] Figure 11 yes Figure 10 A cross-sectional view of the adapter and substrate mounting socket, showing the adapter already inserted into the substrate mounting socket.

[0018] Figure 12 This is a cross-sectional view of an adapter, including an alternative inner spring, positioned between two substrate mounting sockets, showing the adapter already inserted into the substrate mounting sockets.

[0019] Figure 13This is a cross-sectional view of an alternative adapter positioned between two substrate mounting sockets, showing the adapter before it is inserted into the substrate mounting sockets.

[0020] Figure 14 It is positioned between two base plate mounting sockets. Figure 13 The cross-sectional view of the adapter shows the adapter already inserted into the substrate mounting socket.

[0021] Figure 15 This is a perspective view of an illustrative embodiment of a second spring in an illustrative coaxial connector system.

[0022] Figure 16 It is positioned in the base plate mounting socket. Figure 12 A perspective cross-sectional view of the second spring.

[0023] Figure 17 This is a perspective view of an illustrative embodiment of an alternative to the second spring in an illustrative coaxial connector system.

[0024] Figure 18 This is a perspective view of a second alternative illustrative embodiment of a second spring in an illustrative coaxial connector system. Detailed Implementation

[0025] like Figure 4 The connector system 10 shown includes an adapter 12 and at least one socket 14. In the illustrated embodiment, two sockets 14 are shown. Furthermore, in the illustrated embodiment, the socket 14 is a socket mounted on a substrate or printed circuit board. However, other types of sockets can be used.

[0026] like Figures 5 to 8 As shown, the adapter 12 has a first mating portion 16 and a second mating portion 18. A transition portion 20 extends between the first mating portion 16 and the second mating portion 18.

[0027] The first mating portion 16 has one or more first terminal receiving cavities 22 extending from the first mating end 24 to the transition portion 20. An outer conductive wall 26 extends around the first terminal receiving cavity 22. The outer conductive wall 26 is integrally attached to the outer conductive wall 28 of the transition portion 20. An inclined or guide surface 30 is provided on the outer wall 26, which extends from the first mating end 24.

[0028] The second mating portion 18 has a second terminal receiving cavity 32, which extends from the second mating end 34 to the transition portion 20. An outer conductive wall 36 extends around the second terminal receiving cavity 32. The outer conductive wall 36 is integrally attached to the outer conductive wall 28 of the transition portion 20. An amplified portion 40 with a fixing shoulder 42 is provided on the outer wall 36, which extends from the second mating end 34.

[0029] The transition portion 20 has an electrically insulating member 44 attached to the outer conductive wall 28 of the transition portion 20. The insulating member 44 is attached to the outer conductive wall 28 by known methods, such as, but not limited to, bonding, interference fit, or overmolding. An opening 46 is provided in the insulating member 44. The opening 46 extends from the first terminal receiving cavity 22 of the first mating portion 16 to the second terminal receiving cavity 32 of the second mating portion 18. The opening 46 is positioned in a straight line with the longitudinal axis of the adapter 12.

[0030] Terminal 48 is located within adapter 12. Terminal 48 has a first mating section 50, a transition section 52, and a second mating section 54. In the illustrated embodiment shown, the first mating section 50 and the second mating section 54 are female contacts; however, other configurations of the first mating section 50 and / or the second mating section 54 may be used.

[0031] The first mating section 50 is located within the first terminal receiving cavity 22 of the first mating portion 16 and is separated from the outer wall 26. The second mating section 54 is located within the second terminal receiving cavity 32 of the second mating portion 18 and is separated from the outer wall 36.

[0032] The transition segment 52 is positioned within the opening 46 of the transition portion 20. The transition segment 52 is fixed to the transition portion 20 by known methods, such as, but not limited to, bonding, interference fit, or overmolding.

[0033] like Figure 6 and Figure 8 As shown, each of the sockets 14 has a mating section 56 and a transition section 58. The mating section 56 has a terminal receiving cavity 62 extending from the mating end 64 to the transition section 58. An outer conductive wall 66 extends around the terminal receiving cavity 62. The outer conductive wall 66 is integrally attached to the outer conductive wall 68 of the transition section 58.

[0034] The transition section 58 has an electrically insulating member 70 attached to the outer conductive wall 68 of the transition section 58. The insulating member 70 is attached to the outer conductive wall 68 by known methods, such as, but not limited to, bonding, interference fit, glass sealing process, or overmolding. An opening 74 is provided in the insulating member 70. The insulating member 70 may be, but is not limited to, plastic or glass. The opening 74 extends through the insulating member 70. The opening 74 is positioned in line with the longitudinal axis of the socket 14.

[0035] The inner wall 76 extends perpendicularly to the outer wall 66. An opening 78 is provided in the inner wall 76. The opening 78 is positioned in a straight line with the opening 74 of the insulating member 70.

[0036] Terminal 80 is located in each socket 14. Terminal 80 has a first mating section 82, a transition section 84, and a second mating section (not shown). The second mating section is configured to electrically engage with another component, such as, but not limited to, a printed circuit board.

[0037] In the illustrated embodiment shown, the first mating section 82 is a male contact; however, other configurations of the first mating section 82 and / or the second mating section 54 may be used. The first mating section 82 is located within the terminal receiving cavity 62 of the mating section 56 and is separated from the outer wall 66.

[0038] The transition section 84 is located within the opening 78 of the transition section 58 and the opening 74 of the insulating member 70. The transition section 84 of the terminal 80 is fixed to the transition section 84 of the socket 14 by known methods, such as, but not limited to, bonding, interference fit, glass sealing process or overmolding.

[0039] like Figure 6 and Figure 8 As shown, an inner spring or retaining member 86 is provided in the terminal receiving cavity 62 of the mating section 56 of the socket 14. Figure 3 , Figure 6 and Figure 8 As shown, the inner spring 86 has a base section 88 and a fixing section 89. The base section 88 is arranged circumferentially around the inner spring 86. The base section 88 has a positioning shoulder 90 and an inclined or guide surface 91.

[0040] The fixing section 89 has resilient contact arms 92 extending from the base toward a direction away from the guide surface 91. The contact arms 92 are separated by slots 93. In the illustrated embodiment, six contact arms 92 are provided; however, other numbers of contact arms may be provided. Each contact arm 92 has an inclined or locking surface 94 located near its free end 95. An adapter receiving opening 96 extends through the base section 88 and the fixing section 89 of the inner spring 86.

[0041] like Figure 6 As shown, the base section 88 of the inner spring 86 has an outer diameter D1, which is larger than the inner diameter D2 of the terminal receiving cavity 62 of the mating section 56 of the socket 14. The fixing section 89 of the inner spring 86 has an outer diameter D3, which is smaller than the inner diameter D2 of the terminal receiving cavity 62 of the mating section 56 of the socket 14.

[0042] The adapter receiving opening 96 of the inner spring 86 has a diameter D4 at the base section 88, which is slightly larger than, but approximately equal to, the outer diameter D5 of the first mating portion 16 or the second mating portion 18 of the adapter 12. The adapter receiving opening 96 of the inner spring 86 has a diameter D4 at the free end 95 of the contact arm 92 of the fixing section 89, which is smaller than the outer diameter D5 of the first mating portion 16 or the second mating portion 18 of the adapter 12.

[0043] During use, adapter 12 and socket 14 are connected from... Figure 5 and Figure 6 The indicated open or uninserted position is moved to... Figure 7 and Figure 8 The closed or inserted positions are shown.

[0044] When in the closed position, the outer wall 26 of the first mating portion 16 of the adapter 12 mechanically and electrically engages with the elastic contact arm 92 of the inner spring 86 of the first socket 14a. Because the diameter D5 of the first mating portion 16 is larger than the diameter D6 of the fixed section 89, the contact arm 92 elastically displaces, causing the free end 95 of the contact arm 82 to apply a normal force on the first mating portion 16. Furthermore, the base section 88 and the contact arm 92 near the base section 88 are configured to electrically and mechanically engage with the outer wall 66 of the mating section 56 of the socket 14a.

[0045] Therefore, an electrical path is provided between the outer wall 26 of the first mating portion 16 of the adapter 12, the elastic contact arm 92 of the inner spring 86 of the first socket 14a, and the outer wall 66 of the mating section 56 of the socket 14a. Furthermore, the contact arm 92 applies force to the first mating portion 16, providing a frictional engagement between the contact arm 92 and the first mating portion 16 to retain the first mating portion 16 within the socket 14a.

[0046] When in the closed position, the outer wall 36 of the second mating portion 18 of the adapter 12 mechanically and electrically engages with the elastic contact arm 92 of the inner spring 86 of the second socket 14b. Because the diameter D5 of the second mating portion 18 is larger than the diameter D6 of the fixed section 89, the contact arm 92 elastically displaces, causing the locking surface 94 provided near the free end 95 to engage with the locking shoulder 42 of the second mating portion 18 and apply force thereon. Furthermore, the base section 88 and the contact arm 92 near the base section 88 are configured to electrically and mechanically engage with the outer wall 66 of the mating section 56 of the socket 14b.

[0047] Therefore, an electrical path is provided between the outer wall 36 of the second mating portion 18 of the adapter 12, the elastic contact arm 92 of the inner spring 86 of the second socket 14b, and the outer wall 66 of the mating section 56 of the socket 14b. Furthermore, the contact arm applies force to the second mating portion 18, and an interference fit is provided between the contact arm 92 and the second mating portion 18 when the locking surface 94 of the contact arm 92 engages with the fixing shoulder 42 of the second mating portion 18 to retain the second mating portion 18 within the socket 14b.

[0048] When in the closed position, the first mating section 50 of terminal 48 is configured to be electrically and mechanically engaged with terminal 80 of the first socket 14a. Furthermore, the second mating section 52 of terminal 48 is configured to be electrically and mechanically engaged with terminal 80 of the second socket 14b.

[0049] The engagement of terminals 80 of the first socket 14a, terminals 48 of the adapter 12, and terminals 80 of the second socket 14b provides an electrical path for signal transmission. The engagement of the outer wall 36 of the second mating portion 18 of the adapter 12, the elastic contact arm 92 of the inner spring 86 of the second socket 14b, and the outer wall 66 of the mating section 56 of the socket 14b provides an electrical path for grounding transmission. Since the contact arm 92 extends around the entire circumference of the first mating portion 16 of the adapter 12, effective grounding shielding is provided to allow proper and sufficient electrical isolation between the terminals 80.

[0050] By positioning the inner spring 86 within the socket 14, the adapter 12 can have continuous, uninterrupted, and robust outer walls 26 and 36, thereby eliminating the teeth and slots required in existing adapters and allowing the adapter 12 to be more robust than currently available adapters. Furthermore, because the outer walls 26 and 36 are continuous, uninterrupted, and robust, the shielding and isolation of the adapter 12 and system 10 are improved compared to known adapters that have space within the outer walls.

[0051] Figures 9 to 11 A second alternative illustrative embodiment of the invention is shown. In this embodiment, the contact arm 92 of the inner spring 86 has a larger locking surface 94 near its free end 95. Furthermore, the contact arm 92 has a larger cross-sectional area and a larger mass to facilitate the flow of electrical signals through it. The operation of the inner spring 86, adapter 12, and socket 14 is similar to that described above.

[0052] Figure 12A third alternative illustrative embodiment of the invention is shown. In this embodiment, the contact arm 92 of the inner spring 86 has a larger locking surface 94 near its free end 95. Furthermore, the contact arm 92 has a larger cross-sectional area and a larger mass to facilitate the flow of electrical signals through it. In this embodiment, the locking region 94 of the contact arm 92 within a socket 14a is configured differently from that within the contact arm 92 of the other socket adapter 12. The operation of the inner spring 86, adapter 12, and socket 14 is similar to that described above.

[0053] A larger locking region 94 allows the connector system to have better impedance control when parts are not fully mated. The locking region 94 occupies space, which in other embodiments contains air. Replacing cavitation with metal from the locking region 94 allows for even better impedance control.

[0054] refer to Figure 13 and Figure 14 An alternative adapter 112 is shown. Adapter 112 has a first mating portion 116 and a second mating portion 118. A transition portion 120 extends between the first mating portion 116 and the second mating portion 118.

[0055] The adapter 112 is longer than the adapter 12 and has a first housing 115 and a second housing 117. The first housing 115 has a first end 119 and a second end 121. The second housing 117 has a first end 123 and a second end 125.

[0056] A first mating portion 116 is provided on a first housing 115, extending from a first end 119 toward a second end 121. The first mating portion 116 has one or more first terminal receiving cavities 122, extending from a first mating end 124 of the first mating portion 116 to a transition portion 120. In the illustrated embodiment, the first end 119 of the first housing 115 is identical to the first mating end 124 of the first mating portion 116. An outer conductive wall 126 of the first housing 115 extends around the first terminal receiving cavity 122. The outer conductive wall 126 also extends to a portion of the transition portion 120. An inclined or guide surface 130 is provided on the outer wall 126, extending from the first mating end 124.

[0057] A second mating portion 118 is provided on the second housing 117, extending from the first end 123 toward the second end 125. The second mating portion 118 has a second terminal receiving cavity 132 extending from the second mating end 134 to the transition portion 120. In the illustrated embodiment, the first end 123 of the second housing 117 is the same as the second mating end 134 of the second mating portion 118. An outer conductive wall 136 of the second housing 117 extends around the second terminal receiving cavity 132. The outer conductive wall 136 also extends to a portion of the transition portion 120. An enlarged portion 140 with a fixing shoulder 142 is provided on the outer wall 136, extending from the second mating end 134.

[0058] In transition portion 120, a portion of the outer conductive wall 126 extending into the first housing 115 of transition portion 120 is positioned in electrical and mechanical engagement with a portion of the outer conductive wall 136 extending into the second housing 117 of transition portion 120. In the illustrated embodiment, the outer conductive wall 126 is inserted into the receiving cavity 127 of the outer conductive wall 136. The outer conductive wall 126 is held within the receiving cavity 127 by an interference fit or other method to allow the outer conductive wall 126 to maintain electrical engagement with the outer conductive wall 136. The use of the outer conductive wall 126 in conjunction with the use of the outer conductive wall 115 in conjunction with the use of the outer conductive wall 136 in the second housing 117 provides continuous, uninterrupted, and robust outer walls 126 and 136, thereby eliminating the teeth and slots required for existing adapters and allowing adapter 112 to be more robust than currently available adapters. Furthermore, because the outer walls 126 and 136 are continuous, uninterrupted, and robust, the shielding and isolation of adapter 112 and the system are improved compared to known adapters that have space within the outer walls.

[0059] The transition portion 120 has one or more electrically insulating members 144 attached to the outer conductive wall 128 of the transition portion 120. The insulating members 144 are attached to the outer conductive wall 128 by known methods, such as, but not limited to, bonding, interference fit, or overmolding. An opening 146 is provided in the insulating member 144. The opening 146 is positioned in line with the longitudinal axis of the adapter 112.

[0060] Terminal 148 is located within adapter 112. Terminal 148 has a first mating section 150, a transition section 152, and a second mating section 154. In the illustrated embodiment shown, the first mating section 150 and the second mating section 154 are female contacts; however, other configurations of the first mating section 150 and / or the second mating section 154 may be used.

[0061] The first mating section 150 is located within the first terminal receiving cavity 122 of the first mating portion 116 and is separated from the outer wall 126. The second mating section 154 is located within the second terminal receiving cavity 132 of the second mating portion 118 and is separated from the outer wall 136.

[0062] The transition segment 152 extends through the opening 146 of the insulating member 144 and through the transition portion 120. The transition segment 152 is fixed to the insulating member 144 and the transition portion 120 by known methods, such as, but not limited to, bonding, interference fit or overmolding.

[0063] refer to Figure 15 and Figure 16 A second spring 200 can be disposed within the terminal receiving cavity 62, between the free end 95 of the contact arm 92 of the spring 86 and the wall 76. The second spring 200 has a base 202 and a contact arm 204 extending therefrom. The contact arm 204 is separated by a slot 206. When inserted into the terminal receiving cavity 62, the contact arm 204 engages with the wall 76, and the base 202 engages with the free end 95 of the contact arm 92 of the spring 86. The second spring 200 allows for more precise positioning of the spring 86 within the terminal receiving cavity of the socket 14. The purpose of the second spring 200 is to maintain electrical contact between the ends 24 and 34 of the adapter 12 and the bottom wall 76 of the receiving cavity 62 when the substrate to which the socket 14 is attached is slightly separated.

[0064] Figure 17 An alternative illustrative second spring 210 is shown. In this embodiment, contact arms 214 extend outward from the base 212. Slots 216 are provided between the contact arms 214. When the terminal receiving cavity 62 is inserted, the base 212 engages with the wall 76, and the contact arms 214 engage with the free end 95 of the contact arm 92 of the spring 86. The operation of the second spring 210 is similar to that of the spring 200.

[0065] Figure 18 A second alternative illustrative spring 220 is shown. The operation of the second spring 220 is similar to that of the spring 200.

[0066] This invention provides a connector system that serves as a spring or adapter with a continuous, uninterrupted, and robust housing, free of teeth and slots, thereby allowing for very low signal leakage. This allows connectors to be placed close together without concerns about crosstalk. Furthermore, because the housing is continuous, uninterrupted, and robust, the adapter has a very robust construction. This allows the connector to be more robust than known SMPS connector systems.

Claims

1. A connector system, comprising: An adapter having a first mating portion, a second mating portion, and a transition portion, wherein a continuous and conductive adapter outer wall extends across the first mating portion, the transition portion, and the second mating portion; A first terminal is disposed in the adapter; At least one socket has a socket mating section and a socket transition section, a continuous and conductive socket outer wall extending across the socket mating section and the socket transition section, and a socket inner wall extending perpendicular to the socket outer wall; A second terminal is disposed in the at least one socket; The outer wall of the adapter and the outer wall of the socket form a grounding shield that minimizes signals leaking from the first terminal and the second terminal; The socket mating section includes a retaining member, which is an inner spring. The inner spring has a base section (88) and a fixing section (89). The base section (88) is circumferentially arranged around the inner spring (86). The base section (88) has a positioning shoulder (90) and an inclined surface (91). The fixing section (89) has an elastic contact arm (92) and an adapter receiving opening (96). The elastic contact arm (92) extends from the base section (88) in a direction away from the inclined surface (91). The contact arm (92) is separated by a groove (93). The adapter receiving opening (96) extends through the base section (88) and the fixing section (89) of the inner spring (86). The contact arm (92) is conductive and provides an electrical path between the outer wall of the adapter (26, 28, 36) and the outer wall of the socket (66); the adapter receiving opening (96) of the inner spring (86) has a diameter (D4) at the base section (88) that is slightly larger than that of the outer diameter (D5) of the first mating portion (16) or the second mating portion (18) of the adapter (12); and the adapter receiving opening (96) of the inner spring (86) has a diameter (D6) at the free end (95) of the contact arm (92) of the fixed section (89) that is smaller than that of the outer diameter (D5) of the first mating portion (16) or the second mating portion (18) of the adapter (12).

2. The connector system according to claim 1, wherein, The first mating portion has a first terminal receiving cavity extending from a first mating end of the first mating portion to the transition portion.

3. The connector system according to claim 2, wherein, The second mating portion has a second terminal receiving cavity extending from the second mating end of the second mating portion to the transition portion.

4. The connector system according to claim 3, wherein, An amplified portion with a fixing shoulder is provided on the outer wall of the adapter, the amplified portion extending from the second mating end.

5. The connector system according to claim 4, wherein, The transition portion has an electrical insulating member with an opening therein, the opening extending from a first terminal receiving cavity of a first mating portion to a second terminal receiving cavity of a second mating portion, the opening being aligned with the longitudinal axis of the adapter.

6. The connector system according to claim 5, wherein, The first terminal has a first mating section, a transition section, and a second mating section. The first mating section is disposed in the first terminal receiving cavity of the first mating section and is spaced apart from the outer wall of the adapter. The second mating section is disposed in the second terminal receiving cavity of the second mating section and is spaced apart from the outer wall of the adapter.

7. The connector system according to claim 6, wherein, The transition section is disposed in the opening of the insulating member of the transition section.

8. The connector system according to claim 1, wherein, The socket mating section has a socket terminal receiving cavity that extends from the socket mating end of the socket mating section to the socket transition section.

9. The connector system according to claim 8, wherein, The socket transition section has a socket insulating member having a socket insulating member opening extending through the socket insulating member, the socket insulating member opening being aligned with the longitudinal axis of the at least one socket.

10. The connector system according to claim 9, wherein, The second terminal has a first mating section and a second terminal transition section.

11. The connector system of claim 10, wherein, The first mating section of the second terminal is disposed in the socket terminal receiving cavity of the socket mating section and is spaced apart from the outer wall of the socket.

12. The connector system according to claim 11, wherein, The second terminal transition section is disposed in the socket insulation member opening of the socket transition section and in the insulation member opening of the socket insulation member.

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