Coaxial connector device

Abstract

To provide a coaxial connector device capable of improving impedance matching.SOLUTION: A coaxial connector device 1 includes: an external housing 10 including an insulator; and a die-casting member 20 including a conductor. The external housing 10 includes: a body part 11; an L-shaped part 12 including a first extension part 12a extending in a +X axis direction from a +X axial direction side end face of the body part 11 and a second extension part 12b extending in a +Z axis direction from a +X axial direction side end part of the first extension part 12a. The die-casting member 20 includes: a body part 21; and an L-shaped groove 22 including a first grooving part 22a extending in the +X axial direction from a -X axial direction side end face of the body part 21 and a second grooving part 22b extending in the +Z axial direction from the +X axial direction side end part of the first grooving part 22a. The -X axial direction side face of the second extension part 12b is in contact with a face facing the +X axial direction side of the second grooving part 22b.SELECTED DRAWING: Figure 6

Description

[Technical field]

[0001] The present disclosure relates to a coaxial connector arrangement. [Background technology]

[0002] In an on-board coaxial connector, when a housing with a cable attached is connected to the connector, the holding force of the housing, particularly the holding force in the horizontal direction in which the cable extends when the cable is pulled, is required to have high specifications from the standpoint of connection reliability. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] European Patent Application Publication No. 3944428 Summary of the Invention [Problem to be solved by the invention]

[0004] 16, for example, in a connector as disclosed in Patent Document 1, the die casting and the housing are press-fitted to hold the connector. However, this type of press-fitted structure is such that the housing comes off when the cable connected to the housing is pulled, making it difficult to improve the connection reliability.

[0005] The present disclosure has been made in order to solve such problems, and has an object to provide a coaxial connector device capable of improving connection reliability. [Means for solving the problem]

[0006] According to an aspect of the disclosure of the present application, a coaxial connector device includes an outer housing including an insulator, and a die-cast member including a conductor, and the outer housing and the die-cast member are connected adjacent to each other in a first direction parallel to an axial direction, and the outer housing includes a first main body portion, a first extension portion extending from an end face on one side in the first direction of the first main body portion to one side in the first direction, and a second extension portion extending from an end face on one side in the first direction of the first extension portion to one side in the first direction, and an L-shaped portion including a second extension portion extending to one side in the second direction, wherein the die-cast member includes a second main body portion, and an L-shaped groove including a first groove portion extending from an end face of the second main body portion on the other side in the first direction to one side in the first direction, and a second groove portion extending from an end face of the first groove portion on one side in the first direction to one side in the second direction, and a surface of the other side in the first direction of the second extension portion is in contact with a surface of the second groove portion facing one side in the first direction.

[0007] In the above-mentioned coaxial connector device, the L-shaped groove may be formed on at least one of a surface of the second main body portion in a third direction perpendicular to the first direction and the second direction and a surface of the second main body portion in the third direction, and the L-shaped portion may be arranged on at least one of a surface of the second main body portion in the first direction, one side in the third direction and the other side in the third direction.

[0008] In the above-mentioned coaxial connector device, the L-shaped groove may be formed such that after the second extension portion of the L-shaped portion is inserted into the first groove portion of the L-shaped groove on one side in the first direction, the second extension portion of the L-shaped portion is inserted into the second groove portion of the L-shaped groove on one side in the second direction.

[0009] The above-mentioned coaxial connector device may further include a shield shell containing the conductor, and the shield shell may include a third main body portion arranged on one side surface of the second main body portion in the second direction, a spring-shaped spring member connected to the third main body portion, and a cover portion extending from at least one of the end portions of the third main body portion on one side in the third direction and the other end portion of the third main body portion on the other side in the third direction to the other side in the second direction, the cover portion covering the L-shaped portion in the third direction, and an engagement portion provided at an end of the cover portion and engaged with a recess of the L-shaped portion.

[0010] In the coaxial connector device, the spring member and the die-cast member may be connected to a ground potential.

[0011] The coaxial connector device may further include a contact unit including a contact including the conductor and a housing including the insulator, and an axially extending portion of the housing may be positioned between the axially extending portion of the contact and the die casting. Effect of the Invention

[0012] According to the present disclosure, it is possible to provide a coaxial connector device capable of improving connection reliability. [Brief description of the drawings]

[0013] [Figure 1] 11 is a perspective view illustrating each member included in a coaxial connector device according to a comparative example. FIG. [Diagram 2] 11 is a cross-sectional view illustrating an assembly of a coaxial connector device according to a comparative example; [Diagram 3] 10A to 10C are side views illustrating the operation of connecting an outer housing and a die-cast member in a coaxial connector device according to a comparative example. [Figure 4] 10A to 10C are side views illustrating the operation of connecting an outer housing and a die-cast member in a coaxial connector device according to a comparative example. [Diagram 5]10A to 10C are side views illustrating the operation of connecting an outer housing and a die-cast member in a coaxial connector device according to a comparative example. [Figure 6] 1 is a perspective view illustrating each member included in the coaxial connector device according to the first embodiment. [Figure 7] 5A to 5C are side views illustrating an operation of connecting an outer housing and a die-cast member in the coaxial connector device according to the first embodiment. [Figure 8] 5A to 5C are side views illustrating an operation of connecting an outer housing and a die-cast member in the coaxial connector device according to the first embodiment. [Figure 9] 5A to 5C are side views illustrating an operation of connecting an outer housing and a die-cast member in the coaxial connector device according to the first embodiment. [Figure 10] 1 is a perspective view illustrating an outer housing in a coaxial connector device according to a first embodiment. FIG. [Figure 11] 2 is a perspective view illustrating a die-cast member in the coaxial connector device according to the first embodiment. FIG. [Figure 12] 1 is a side view illustrating a coaxial connector device according to a first embodiment. [Figure 13] 13 is a cross-sectional view illustrating the coaxial connector device according to the first embodiment, taken along line XIII-XIII in FIG. 12. [Figure 14] 14 is a cross-sectional view illustrating an example of a fitting portion in the coaxial connector device according to the first embodiment, showing an enlarged view of a portion XIV in FIG. 13. FIG. [Figure 15] 1 is a side view illustrating a contact unit in the coaxial connector device according to the first embodiment. FIG. [Figure 16] FIG. 2 is a perspective view illustrating a terminal of a related connector. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0014] Hereinafter, a specific configuration of this embodiment will be described with reference to the drawings. The following description shows a preferred embodiment of the present disclosure, and the scope of the present disclosure is not limited to the following embodiment. In the following description, items with the same reference numerals indicate substantially the same contents. Some reference numerals and hatching are omitted to avoid cluttering the drawings.

[0015] Before describing the coaxial connector device according to the first embodiment, a coaxial connector device according to a comparative example will be described for comparison purposes, in order to clarify the characteristics of the coaxial connector device according to the first embodiment.

[0016] <Comparative Example> 1 is a perspective view illustrating each member included in a coaxial connector device 101 according to a comparative example. As shown in FIG. 1, the coaxial connector device 101 of the comparative example includes an outer housing 110, a die-cast member 120, a shield shell 130, a GND shell member 140, an inner housing 150, and contacts 160.

[0017] Here, for convenience of explanation of the coaxial connector device 101 and the coaxial connector device 1 described later, an XYZ orthogonal coordinate axis system is introduced. For example, the axial direction of the coaxial connector device 101, etc. is the X-axis direction, and two directions perpendicular to the X-axis are the Y-axis direction and the Z-axis direction. The +Z-axis direction may be referred to as the upper direction, and the surface on the +Z-axis side may be referred to as the upper surface. The -Z-axis direction may be referred to as the lower direction, and the surface on the -Z-axis side may be referred to as the lower surface. The +Y-axis direction and the -Y-axis direction may be referred to as the lateral direction, and the surface on the +Y-axis side and the surface on the -Y-axis side may be referred to as the lateral direction. Note that the terms "upper", "lower", "upper surface", "lower surface", "lateral surface" and "lateral surface" are used for convenience of explanation of the coaxial connector device 101, etc., and do not indicate the direction in which the coaxial connector device 101, etc. is arranged. Each configuration will be described below.

[0018] <External housing> The external housing 110 has a cylindrical shape. For example, the external housing 110 has a square cylindrical shape. The external housing 110 includes a main body 111 and an insertion part 112. The main body 111 includes a portion on the -X axis direction side of the external housing 110. The insertion part 112 includes a portion on the +X axis direction side of the external housing 110. The width of the main body 111 in the Y axis direction and the width of the Z axis direction are larger than the width of the insertion part 112 in the Y axis direction and the Z axis direction. The insertion part 112 is fitted into a fitting part 122 arranged on the -X axis direction side of the die-cast member 120. Specifically, the insertion part 112 is fitted between a fitting plate 122a and a fitting plate 122b.

[0019] A protrusion 113 extending in the +X-axis direction is provided on an end face on the +X-axis direction side of the insertion portion 112. A plurality of protrusions 113 may be provided. The protrusion 113 is inserted into an insertion hole 123 formed in the die-casting member 120 when the insertion portion 112 is fitted into a fitting portion 122 of the die-casting member 120.

[0020] The outer housing 110 has a through hole 114 that penetrates from an end face on the -X axis direction side of the main body portion 111 to an end face on the +X axis direction side of the insertion portion 112. The central axis of the through hole 114 is arranged to be in the X axis direction. Members such as the GND shell member 140, the inner housing 150, and the contacts 160 are inserted into the through hole 114.

[0021] The outer housing 110 includes an insulator as a material. The outer housing 110 includes, for example, a resin as a material. Note that the outer housing 110 may include an insulator other than a resin as long as the outer housing 110 includes an insulator.

[0022] <Die-casting components> The die-cast member 120 includes a main body 121 and a fitting portion 122. The fitting portion 122 is connected to an end face of the main body 121 on the -X axis direction side. The fitting portion 122 includes, for example, two plate-shaped fitting plates 122a and 122b facing each other in the Y axis direction. The fitting plate 122a is disposed on the -Y axis direction side of the end face of the main body 121 on the -X axis direction side, and the fitting plate 122b is disposed on the +Y axis direction side of the end face of the main body 121 on the -X axis direction side. The insertion portion 112 of the external housing 110 is fitted between the two fitting plates 122a and 122b. Specifically, the insertion portion 112 of the external housing 110 is fitted between the two fitting plates 122a and 122b with the shield shell 130 sandwiched therebetween.

[0023] An insertion hole 123 is formed in the end face on the -X axis direction side of the main body 121. A plurality of insertion holes 123 may be formed, the number of which is the same as the number of protrusions 113. The insertion holes 123 are inserted onto the protrusions 113 of the outer housing 110.

[0024] The die-cast member 120 has a through hole 124 that penetrates from the end face of the main body 121 on the -X axis direction side to the end face of the main body 121 on the +X axis direction side. The central axis of the through hole 124 is arranged to be in the X axis direction. In the end face on the -X axis direction side of the main body 121, the insertion hole 123 and the through hole 124 are formed between the parts where the fitting plates 122a and 122b are connected. Members such as the GND shell member 140, the internal housing 150, and the contacts 160 are inserted into the through hole 124.

[0025] The die-casting member 120 includes a conductor as a material. The die-casting member 120 may include, for example, a metal such as aluminum or zinc as a material. The die-casting member 120 may be manufactured by a die-casting method. The die-casting member 120 is electrically connected to the ground (GND) together with the shield shell 130. A connection structure for connecting to a predetermined substrate may be provided on the −Z-axis direction side of the die-casting member 20.

[0026] <Shield Shell> The shield shell 130 includes a plate-shaped plate portion 131 and a spring-shaped spring portion 132. The plate portion 131 has a plate surface on the +X-axis direction side and a plate surface on the -X-axis direction side. The plate portion 131 has a through hole 134 penetrating the plate surface. The central axis of the through hole 134 is arranged in the X-axis direction. The spring portion 132 is connected to the end portion of the plate portion 131 on the +Z-axis direction side. The spring portion 132 has, for example, a plate shape. The plate surface of the spring portion 132 is arranged to be inclined with respect to the XY plane. The spring portion 132 has spring-like elasticity. The spring portion 132 can be bent in the Z-axis direction.

[0027] The plate portion 131 is arranged on the end surface on the -X-axis direction side of the main body portion 121 of the die-cast member 120. Therefore, the plate portion 131 is arranged between the fitting plate 122a and the fitting plate 122b. The through hole 134 in the plate portion 131 is arranged to surround the through hole 124. The insertion portion 112 of the external housing 110 is arranged on the -X-axis direction side of the plate portion 131. The spring portion 132 is arranged on the upper surface of the main body portion 121 of the die-cast member 120.

[0028] The shield shell 130 includes a conductor as a material. The shield shell 130 includes, for example, a metal as a material. The shield shell 130 is electrically connected to the ground (GND) together with the die-cast member 120.

[0029] <GND shell member> The GND shell member 140 is, for example, cylindrical with a through hole 144 penetrating in the X-axis direction. The central axis of the through hole 144 is arranged to be in the X-axis direction. The GND shell member 140 is, for example, cylindrical. The GND shell member 140 is arranged inside the through holes 114, 134, and 124 in which the external housing 110, the plate portion 131, and the die-cast member 120 are stacked and communicated in the X-axis direction. The internal housing 150 with the contact 160 press-fitted therein is inserted into the GND shell member 140.

[0030] The GND shell member 140 includes a conductor as a material. The GND shell member 140 includes, for example, a metal as a material. The GND shell member 140 is electrically connected to the ground (GND) together with the die-cast member 120 and the shield shell 130.

[0031] <Inner housing> The internal housing 150 includes a tubular portion 151 and a support portion 152. The tubular portion 151 is, for example, cylindrical. Note that the tubular portion 151 is not limited to being cylindrical as long as it is cylindrical. The central axis of the tubular portion 151 is arranged to be aligned in the X-axis direction. The tubular portion 151 is formed with a through hole 154 that penetrates from the end on the +X-axis direction side to the end on the -X-axis direction side. Therefore, the central axis of the through hole 154 is arranged to be aligned in the X-axis direction.

[0032] The support portion 152 is connected to the +X-axis direction side of the cylindrical portion 151. The support portion 152 has plate surfaces facing the +X-axis direction side and the -X-axis direction side, and is a plate-like shape extending in the Z-axis direction. The cylindrical portion 151 is connected to the end portion on the +Z-axis direction side of the plate surface on the -X-axis direction side of the support portion 152. Therefore, when viewed from the Y-axis direction, the internal housing 150 is L-shaped. A through hole 154 is formed at the end portion on the +Z-axis direction side of the support portion 152, penetrating from the plate surface on the +X-axis direction side to the plate surface on the -X-axis direction side. The through hole 154 of the support portion 152 communicates with the through hole 154 of the cylindrical portion 151. The contact 160 is press-fitted into the communicating through hole 154. A groove into which the contact 160 is fitted may be formed on the plate surface on the +X-axis direction side of the support portion 152. The groove extends from the through hole 154 to the -Z axis direction side on the plate surface of the support portion 152 on the +X axis direction side.

[0033] The inner housing 150 includes an insulator as a material. The inner housing 150 includes, for example, a resin as a material. Note that the inner housing 150 may include an insulator other than a resin as long as the inner housing 150 includes an insulator.

[0034] <Contact> The contact 160 is L-shaped having a portion extending in the X-axis direction and a portion extending in the Z-axis direction. The portion extending in the X-axis direction is called a first rod-shaped portion 161, and the portion extending in the Z-axis direction is called a second rod-shaped portion 162. The end portion of the first rod-shaped portion 161 on the +X-axis direction side is connected to the end portion of the second rod-shaped portion 162 on the +Z-axis direction side.

[0035] The first rod-shaped portion 161 includes, for example, a tip portion, a middle portion, and a root portion, in that order from the -X-axis direction side. The tip portion is rounded into a hemispherical shape. The middle portion and the root portion are square rod-shaped. The width of the opposing side surfaces of the square rod-shaped middle portion and the root portion is greater than the outer diameter of the round rod-shaped tip portion. Convex portions are provided on the side surfaces of the middle portion and the root portion.

[0036] First rod-shaped portion 161 of contact 160 is press-fitted into through-hole 154 of inner housing 150. Such a contact press-fitting method requires a protrusion for retention during press-fitting.

[0037] The second rod-shaped portion 162 includes, for example, a tip portion, a middle portion, and a base portion, in that order from the -Z axis direction side. The tip portion is round bar-shaped. The tip of the tip portion is rounded into a hemisphere. The tip portion is connected to a predetermined substrate arranged on the -Z axis direction side. The middle portion and base portion are square bar-shaped. The width of the opposing side surfaces of the square bar-shaped middle portion and base portion is larger than the outer diameter of the round bar-shaped tip portion.

[0038] The contact 160 includes a conductor as a material. The contact 160 includes, for example, a metal as a material. The contact 160 serves as a transmission path for a high-frequency signal.

[0039] <Assembly method> 2 is a cross-sectional view illustrating an assembly of a coaxial connector device 101 according to a comparative example. In FIG. 2, the outer housing 110 is omitted. As shown in FIG. 2, the first rod-shaped portion 161 of the contact 160 is press-fitted into the through hole 154 of the inner housing 150 in the -X-axis direction. The inner housing 150 into which the contact 160 is press-fitted is called a contact unit 170. Therefore, the contact unit 170 includes the contact 160 and the inner housing 150.

[0040] The contact unit 170 is press-fitted into the through hole 144 of the GND shell member 140. The GND shell member 140 is inserted into the through hole 124 of the die-cast member 120 and the through hole 134 of the shield shell 130 in the -X-axis direction.

[0041] 3 to 5 are side views illustrating the operation of connecting the outer housing 110 and the die-cast member 120 in the coaxial connector device 101 according to the comparative example. As shown in FIGS. 3 and 4, the insertion portion 112 of the outer housing 110 is fitted between the two fitting plates 122a and 122b of the die-cast member 120 with the shield shell 130 sandwiched therebetween. At that time, as shown in FIG. 5, the protrusion 113 of the outer housing 110 is press-fitted into the insertion hole 123 of the die-cast member. A GND shell member 140 including an inner housing 150 and a contact 160 is inserted into a through hole 114 of the outer housing 110.

[0042] <Issues in Comparative Examples> In the coaxial connector device 101 of the comparative example, the projection 113 of the outer housing 110 is press-fitted into the insertion hole 123 of the die-cast member 120 to connect the two. It is difficult to improve the holding force in the X-axis direction with such a holding structure by press-fitting the outer housing 110. For example, when a cable is connected to the -X-axis side of the outer housing 110, the direction in which the cable extends and the press-fitting direction are opposite to each other. Therefore, when the cable is pulled, the outer housing 110 may come off. As described above, it is difficult to improve the connection reliability of the coaxial connector device 101 of the comparative example, and a connection structure that improves the holding force between the outer housing and the die-cast member 120 is desired.

[0043] <Embodiment 1> Next, a coaxial connector device according to embodiment 1 will be described. Fig. 6 is a perspective view illustrating each member included in the coaxial connector device 1 according to embodiment 1. As shown in Fig. 6, the coaxial connector device 1 according to this embodiment includes an outer housing 10, a die-cast member 20, a shield shell 30, and a contact unit 70.

[0044] <External housing> The external housing 10 has a cylindrical shape. For example, the external housing 10 has a square cylindrical shape. The external housing 10 includes a main body portion 11 and L-shaped portions 12 and 13. The L-shaped portions 12 and 13 are connected to an end face of the main body portion 11 on the +X-axis direction side. The L-shaped portions 12 and 13 function as fitting portions that fit with the die-cast member 20.

[0045] The main body 11 has a through hole 14 penetrating from the end face on the -X axis direction side to the end face on the +X axis direction side. Thus, the outer housing 10 has the through hole 14 penetrating in the X axis direction. Members such as the cylindrical portion 25 of the die-cast member 20 and the contact unit 70 are inserted into the through hole 14. The L-shaped portions 12 and 13 are arranged side by side in the Y axis direction on the end face on the +X axis direction side of the main body 11. The L-shaped portions 12 and 13 are arranged at both ends of the through hole 14 in the Y axis direction on the end face on the +X axis direction side of the main body 11.

[0046] The L-shaped portion 12 includes a first extension portion 12a and a second extension portion 12b. The first extension portion 12a extends in the +X-axis direction from an end face on the +X-axis direction side of the main body portion 11. The second extension portion 12b extends in the +Z-axis direction from an end portion on the +X-axis direction side of the first extension portion 12a. A recess 12c is formed at an end portion on the -Z-axis direction side of the first extension portion 12a in the L-shaped portion 12.

[0047] The L-shaped portion 13 includes a first extension portion 13a and a second extension portion 13b. The first extension portion 13a extends in the +X-axis direction from the end face on the +X-axis direction side of the main body portion 11. The second extension portion 13b extends in the +Z-axis direction from the end portion on the +X-axis direction side of the first extension portion 13a. A recess 13c is formed at the end portion on the -Z-axis direction side of the first extension portion 13a in the L-shaped portion 13. The L-shaped portions 12 and 13 are L-shaped when viewed from the Y-axis direction.

[0048] The L-shaped portion 12 is inserted into an L-shaped groove 22 formed in a side surface of the die-cast member 20 on the -Y-axis direction side. The recess 12c is fitted into a fitting portion 32a of the shield shell 30. The L-shaped portion 13 is inserted into an L-shaped groove 23 formed in a side surface of the die-cast member 20 on the +Y-axis direction side. The recess 13c is fitted into a fitting portion 33a of the shield shell 30.

[0049] The L-shaped portions 12 and 13 may be arranged so that the L-shapes are in the opposite direction in the Z-axis direction. That is, the second extension portion 12b may extend in the -Z-axis direction from the end portion on the +X-axis direction side of the first extension portion 12a. The second extension portion 13b may extend in the -Z-axis direction from the end portion on the +X-axis direction side of the first extension portion 13a. In this case, the configuration of the L-shaped grooves 22 and 23 of the die-cast member 20 may also be arranged so that the L-shapes are in the opposite direction in the Z-axis direction in accordance with the L-shapes of the L-shaped portions 12 and 13. However, when the above-mentioned predetermined substrate is connected to the -Z-axis side, it is preferable that the second extension portions 12b and 13b extend in the +Z-axis direction, which is the opposite direction to the direction in which the predetermined substrate is connected. The second extension portions 12b and 13b extend in the +Z-axis direction, and thus can resist the force in the -Z-axis direction in which the predetermined substrate is connected.

[0050] In addition, the L-shaped portions 12 and 13 are not limited to being provided together, and only one of them may be provided. That is, the L-shaped portion 12, etc. may be disposed on at least one of the -Y-axis side and the +Y-axis side on the end face on the -X-axis side of the main body portion 21 of the die-cast member 20. Furthermore, depending on the orientation of the L-shaped grooves 22 and 23 of the die-cast member 20, the direction in which the second extension portions 12b and 13b extend is not limited to the Z-axis direction, but may extend in the Y-axis direction or in a direction inclined to the Y-axis direction and the Z-axis direction.

[0051] The outer housing 10 includes an insulator as a material. The outer housing 10 includes, for example, a resin as a material. Note that the outer housing 10 may include an insulator other than a resin as long as the outer housing 10 includes an insulator.

[0052] <Die-casting components> The die-casting member 20 has a main body 21 and a cylindrical portion 25. The cylindrical portion 25 is connected to an end face of the main body 21 on the -X-axis direction side. The cylindrical portion 25 has a cylindrical shape. The main body 21 has a through hole 24 penetrating from an end face on the +X-axis direction side to an end face on the -X-axis direction side. The through hole 24 communicates with the cylindrical portion 25. Thus, the die-casting member 20 has a through hole 24 penetrating from an end face on the +X-axis direction side of the main body 21 to an end face on the -X-axis direction side of the cylindrical portion 25. The central axis of the through hole 24 is arranged to be in the X-axis direction. The through hole 24 may communicate with the through hole 14 of the external housing 10. A member such as a contact unit 70 is inserted into the through hole 24.

[0053] The main body portion 21 is formed with L-shaped grooves 22 and 23. Thus, the die-cast member 20 includes the main body portion 21 and the L-shaped grooves 22 and 23. The L-shaped grooves 22 and 23 function as fitting portions that fit with the outer housing 10.

[0054] The L-shaped groove 22 is formed on the side surface of the main body 21 on the -Y axis direction side. The L-shaped groove 22 includes a first groove portion 22a and a second groove portion 22b. The first groove portion 22a extends from the end face of the main body 21 on the -X axis direction side to the +X axis direction side. The second groove portion 22b extends from the end portion of the first groove portion 22a on the +X axis direction side to the +Z axis direction side. Therefore, the L-shaped groove 22 is L-shaped when viewed from the Y axis direction. In other words, a part of the main body 21 remains on the -X axis direction side of the second groove portion 22b.

[0055] The L-shaped groove 23 is formed on the side surface of the main body 21 on the +Y-axis direction side. The L-shaped groove 23 includes a first groove portion 23a and a second groove portion 23b. The first groove portion 23a extends from the end face of the main body 21 on the -X-axis direction side to the +X-axis direction side. The second groove portion 23b extends from the end portion of the first groove portion 23a on the +X-axis direction side to the +Z-axis direction side. Therefore, the L-shaped groove 23 is L-shaped when viewed from the Y-axis direction. In other words, a part of the main body 21 remains on the -X-axis direction side of the second groove portion 23b.

[0056] As described above, when the L-shaped portions 12 and 13 are arranged so that the L-shapes are oriented in the opposite direction in the Z-axis direction, the configurations of the L-shaped grooves 22 and 23 may also be arranged so that the L-shapes are oriented in the opposite direction in the Z-axis direction to match the L-shapes of the L-shaped portions 12 and 13. That is, the second groove portion 22b may extend from the end portion of the first groove portion 22a on the +X-axis direction side to the -Z-axis direction. Also, the second groove portion 23b may extend from the end portion of the first groove portion 23a on the +X-axis direction side to the -Z-axis direction.

[0057] In addition, the L-shaped grooves 22 and 23 are not limited to being provided together, and only one of them may be provided. That is, the L-shaped groove 22, etc. may be formed on at least one of the faces on the -Y-axis direction side and the +Y-axis direction side of the main body portion 21 of the die-cast member 20. Furthermore, depending on the orientation of the L-shaped portions 12 and 13 of the outer housing 10, the direction in which the second groove portions 22b and 23b extend is not limited to the Z-axis direction, and they may extend in the Y-axis direction or in a direction inclined to the Y-axis direction and the Z-axis direction.

[0058] 7 to 9 are side views illustrating the operation of connecting the outer housing 10 and the die-cast member 20 in the coaxial connector device 1 according to the first embodiment. In FIGS. 7 to 9, members other than the outer housing 10 and the die-cast member 20 are omitted. As shown in FIG. 7, the coaxial connector device 1 connects the outer housing 10 and the die-cast member 20 adjacent to each other in the X-axis direction parallel to the axial direction. First, the second extension portion 12b of the L-shaped portion 12 of the outer housing 10 is inserted into the first groove portion 22a of the L-shaped groove 22 in the +X-axis direction. In addition, the second extension portion 13b of the L-shaped portion 13 of the outer housing 10 is inserted into the first groove portion 23a of the L-shaped groove 23 in the +X-axis direction.

[0059] 8, after the second extension portion 12b is inserted into the first groove portion 22a in the +X-axis direction, the second extension portion 12b is inserted in the +Z-axis direction along the second groove portion 22b of the L-shaped groove 22. Similarly, the second extension portion 13b of the L-shaped portion 13 of the outer housing 10 is inserted into the first groove portion 23a of the L-shaped groove 23 in the +X-axis direction, and then is inserted in the +Z-axis direction along the second groove portion 23b of the L-shaped groove 23.

[0060] In this manner, the L-shaped portion 12 of the outer housing 10 is formed so as to be inserted into the L-shaped groove 22 of the die-cast member 20. In addition, the L-shaped portion 13 of the outer housing 10 is formed so as to be inserted into the L-shaped groove 23 of the die-cast member 20.

[0061] FIG. 10 is a perspective view illustrating the outer housing 10 in the coaxial connector device 1 according to the first embodiment. FIG. 11 is a perspective view illustrating the die-cast member 20 in the coaxial connector device 1 according to the first embodiment. As shown in region IX of FIG. 9 and FIGS. 10 to 11, when the L-shaped portion 12 of the outer housing 10 is inserted into the L-shaped groove 22 of the die-cast member 20, a surface 19 on the -X-axis direction side of the second extension portion 12b of the L-shaped portion 12 comes into contact with a surface 29 facing the +X-axis direction side of the second groove portion 22b of the L-shaped groove 22. When the L-shaped portion 13 of the outer housing 10 is inserted into the L-shaped groove 23 of the die-cast member 20, a surface 19 on the -X-axis direction side of the second extension portion 13b of the L-shaped portion 13 comes into contact with a surface 29 facing the +X-axis direction side of the second groove portion 23b of the L-shaped groove 23. That is, the +X axis direction surface 29 of the part of the main body 21 located on the -X axis direction side of the second groove portions 22b and 23b contacts the -X axis direction surface 19 of the second extension portions 12b and 13b.

[0062] The die-cast member 20 includes a conductor as a material. The die-cast member 20 may include, for example, a metal such as aluminum or zinc as a material. The die-cast member 20 may be manufactured by a die-casting method. Note that the die-cast member 20 is not limited to being manufactured by the die-casting method, and may be manufactured by other methods such as casting or a 3D printer. The die-cast member 20 is electrically connected to the ground (GND) together with the shield shell 30.

[0063] <Shield Shell> Fig. 12 is a side view illustrating the coaxial connector device 1 according to embodiment 1. Fig. 13 is a cross-sectional view illustrating the coaxial connector device 1 according to embodiment 1, taken along line XIII-XIII in Fig. 12. Fig. 14 is a cross-sectional view illustrating the fitting portion 33a in the coaxial connector device 1 according to embodiment 1, showing an enlarged view of portion XIV in Fig. 13.

[0064] As shown in FIG. 6 and FIG. 12 to FIG. 14, the shield shell 30 includes a main body portion 31, cover portions 32 and 33, fitting portions 32a and 33a, and a spring member 35. The main body portion 31 has a plate surface in the +Z axis direction and a plate surface in the -Z axis direction. The main body portion 31 is disposed on the upper surface of the die-cast member 20 on the +Z axis direction side. The spring member 35 is connected to an end portion of the main body portion 31 on the +X axis direction side. The spring member 35 has, for example, a plate shape. The plate surface of the spring member 35 is disposed so as to be inclined toward the main body portion 31. The spring member 35 has spring-like elasticity. This allows the spring member 35 to bend in the Z axis direction.

[0065] The cover parts 32 and 33 are each plate-shaped and have a plate surface in the +Y-axis direction and a plate surface in the -Y-axis direction. The ends of the cover parts 32 and 33 on the +Z-axis direction are connected to both ends of the main body part 31 in the Y-axis direction. The cover part 32 extends from the end of the main body part 31 on the -Y-axis direction in the Y-axis direction to the -Z-axis direction. The cover part 32 covers the L-shaped part 12 in the Y-axis direction. The fitting part 32a is provided at the end of the cover part 32 on the -Z-axis direction side. The fitting part 32a is fitted into the recess 12c of the L-shaped part 12. For example, the fitting part 32a is curved toward the +Y-axis direction and is fitted into the recess 12c. As a result, the fitting part 32a fixes the L-shaped part 12 of the external housing 10.

[0066] The cover portion 33 extends from an end portion on the +Y-axis direction side of the main body portion 31 in the Y-axis direction to the -Z-axis direction side. The cover portion 33 covers the L-shaped portion 13 in the Y-axis direction. The fitting portion 33a is provided at an end portion on the -Z-axis direction side of the cover portion 33. The fitting portion 33a is fitted into the recess 13c of the L-shaped portion 13. For example, the fitting portion 33a is curved toward the -Y-axis direction side so as to be fitted into the recess 13c. In this way, the fitting portion 33a fixes the L-shaped portion 13 of the external housing 10.

[0067] The cover parts 32 and 33 are not limited to being provided together, and only one of them may be provided. That is, the cover part 32 etc. may extend in the -Z axis direction from at least one of the end parts of the main body part 31 on the -Y axis direction side and the end part on the +Y axis direction side.

[0068] The shield shell 30 includes a conductor as a material. The shield shell 30 includes, for example, a metal as a material. The shield shell 30, together with the die-cast member 20, is electrically connected to the ground (GND).

[0069] <Contact unit> Fig. 15 is a side view illustrating the contact unit 70 in the coaxial connector device 1 according to the first embodiment. As shown in Fig. 15, the contact unit 70 includes a housing 50 and contacts 60. The contact unit 70 is formed by insert molding. That is, the contact unit 70 is formed by integrating the contacts 60 and the housing 50 by insert molding. Note that the contact unit 70 does not exclude those formed by press-fitting the contacts 60 into the housing 50 in the -X axis direction.

[0070] The contact 60 is L-shaped with a portion extending in the X-axis direction and a portion extending in the Z-axis direction. The portion extending in the X-axis direction is called a first rod-shaped portion 61, and the portion extending in the Z-axis direction is called a second rod-shaped portion 62. The end portion of the first rod-shaped portion 61 on the +X-axis direction side is connected to the end portion of the second rod-shaped portion 62 on the +Z-axis direction side.

[0071] The first rod-shaped portion 61 includes, for example, a tip portion 61a, a middle portion 61b, and a root portion 61c. The tip portion 61a is round bar-shaped. The tip of the tip portion 61a is rounded into a hemispherical shape. The middle portion 61b and the root portion 61c are square bar-shaped. Therefore, the first rod-shaped portion 61 includes a square bar-shaped portion. The middle portion 61b and the root portion 61c may be collectively referred to as a middle root portion. The middle root portion is connected to the tip portion 61a. The width of the opposing side surfaces of the square bar-shaped middle portion 61b and the root portion 61c is larger than the outer diameter of the round bar-shaped tip portion 61a. Unlike the contact 160 of the comparative example, no protrusions are provided on the side surfaces of the middle portion 61b and the root portion 61c. The middle portion 61b and the root portion 61c may be round bar-shaped. In other words, the first rod-shaped portion 61 may include a round rod-shaped portion.

[0072] A part of the first rod-shaped portion 61 of the contact 60 is incorporated into the housing 50 by insert molding. Specifically, for example, a middle base portion of the first rod-shaped portion 61 is incorporated into the housing 50. Meanwhile, a tip portion 61a of the first rod-shaped portion 61 protrudes from an end face of the tubular portion 51 of the housing 50 on the -X-axis direction side.

[0073] The second rod-shaped portion 62 includes, for example, a tip portion 62a, a middle portion 62b, and a root portion 62c. The tip portion 62a is rounded into a semi-spherical shape. The middle portion 62b and the root portion 62c are square rod-shaped. Thus, the second rod-shaped portion 62 includes a square rod-shaped portion. The middle portion 62b and the root portion 62c may be collectively referred to as a middle root portion. The middle root portion is connected to the tip portion 61a. The width of the opposing side surfaces of the square rod-shaped middle portion 62b and the root portion 62c is larger than the outer diameter of the round rod-shaped tip portion 62a. A convex portion may be provided on the side surface on the +X-axis direction side of the middle portion 62b.

[0074] Thus, the contact 60 includes a tip portion 61a protruding from the housing 50 and a middle root portion connected to the tip portion 61a. The contact 60 also includes a tip portion 62a protruding from the housing 50 and a middle root portion connected to the tip portion 62a. At least a portion of the middle root portion is incorporated into the housing 50.

[0075] The contact 60 includes a conductor as a material. The contact 60 includes, for example, a metal as a material. The contact 60 serves as a transmission path for a high-frequency signal.

[0076] The housing 50 includes a tubular portion 51 and a support portion 52. The tubular portion 51 is, for example, cylindrical. Note that the tubular portion 51 is not limited to a cylindrical shape as long as it is cylindrical. The central axis of the tubular portion 51 is arranged to be in the X-axis direction. The tubular portion 51 in the housing 50 seals a part of the contact 60. As a result, the housing 50 incorporates a part of the contact 60. Specifically, the tubular portion 51 incorporates a middle portion 61b and a base portion 61c of the first rod-shaped portion 61 of the contact 60.

[0077] A hole 53 is formed on the side surface of the cylindrical portion 51. The hole 53 may be formed in the support portion 52. The hole 53 exposes a portion of the contact 60. The hole 53 may expose a portion of the contact 60 to air. In this manner, the housing 50 has at least one hole 53 that exposes a portion of the contact 60. For example, the housing 50 has at least one hole 53 that exposes a portion of the middle root portion. For example, the hole 53 is formed on the side of the cylindrical portion 51 in the Y-axis direction.

[0078] The housing 50 may have a plurality of holes 53. The plurality of holes 53 may be formed to face each other across the central axis of the contact 60. This allows the coaxial connector device 1 to make the impedance of the portions facing each other across the central axis of the contact 60 uniform. For example, when the middle root portion of the first rod-shaped portion 61 includes a rectangular rod-shaped portion, the plurality of holes 53 expose a part of the opposing flat side surface. When the middle root portion of the first rod-shaped portion 61 includes a round rod-shaped portion, the plurality of holes 53 may expose a part of the opposing curved side surface.

[0079] The multiple holes 53 may form a set facing each other across the central axis of the contact 60, or may form multiple sets facing each other across the central axis of the contact 60. The multiple holes 53 may be formed discretely around the central axis. The multiple holes 53 may be formed using a pressing member that supports the contact 60 when insert molding is performed.

[0080] The support portion 52 is connected to the +X-axis direction side of the cylindrical portion 51. The support portion 52 has plate surfaces facing the +X-axis direction side and the -X-axis direction side, and is a plate extending in the Z-axis direction. The cylindrical portion 51 is connected to the +Z-axis direction side of the plate surface on the -X-axis direction side of the support portion 52. Therefore, when viewed from the Y-axis direction, the housing 50 is L-shaped.

[0081] The housing 50 includes an insulator as a material. The housing 50 includes, for example, a resin as a material. Note that the housing 50 may include an insulator other than a resin as long as the housing 50 includes an insulator.

[0082] <Assembly method> The contact unit 70 is inserted into the through hole 24 of the die-cast member 20 in the -X-axis direction. The cylindrical portion 51 of the housing 50 extending in the X-axis direction is disposed between the die-cast member 20 and the first rod-shaped portion 61 of the contact 60 extending in the X-axis direction. The L-shaped portions 12 and 13 of the outer housing 10 fit into the L-shaped grooves 22 and 23 of the die-cast member 20. The cover portions 32 and 33 cover the L-shaped portions 12 and 13 from the sides, respectively. The recesses 12c and 13c fit into the fitting portions 32a and 33a. Members such as the contact unit 70 are inserted into the through hole 14 of the outer housing 10 and the through hole 24 of the die-cast member 20.

[0083] Next, the effect of this embodiment will be described. In the coaxial connector device 1 of this embodiment, the outer housing 10 has an L-shaped portion 12 and the die-cast member 20 has an L-shaped groove 22. In the coaxial connector device 1, the L-shaped portion 12 and the L-shaped groove 22 are fitted together, so that the surface 19 on the -X-axis direction side of the second extension portion 12b comes into contact with the surface 29 facing the +X-axis direction side of the second groove portion 22b. In other words, the outer housing 10 and the die-cast member 20 are provided with surfaces 19 and 29 facing perpendicularly to a predetermined substrate, and are structured to receive a force from the X-axis direction (for example, the horizontal direction).

[0084] In this way, the coaxial connector device 1 can have a structure that, so to speak, locks the L-shaped portion 12, etc. and the L-shaped groove 22, etc., and can improve the holding force in the X-axis direction between the outer housing 10 and the die-cast member 20. This can improve the connection reliability of the coaxial connector device 1. Specifically, the holding force in the X-axis direction can be contributed to the holding force until the contact surfaces 19 and 29 of the outer housing 10 and the die-cast member 20 enter a destruction mode.

[0085] In the coaxial connector device 1 of this embodiment, the cover portion 32 etc. cover the L-shaped portion 12 etc., and the fitting portion 32a etc. are fitted into the recessed portion 12c etc. of the L-shaped portion 12 etc. With this configuration, the shield shell 30 of the coaxial connector device 1 covers the L-shaped portion 12 etc. of the outer housing 10, and can suppress positional deviation of the L-shaped portion 12 etc. in the Z-axis direction. This can further improve the connection reliability.

[0086] Although the embodiment of the present invention has been described above, the present disclosure includes appropriate modifications that do not impair the objects and advantages thereof, and is not limited to the above-mentioned embodiment. In addition, the configurations in the comparative example and embodiment 1 may be appropriately combined. [Explanation of symbols]

[0087] 1 Coaxial connector device 10 Outer housing 11 Main body 12, 13 L-shaped part 12a, 13a 1st extension section 12b, 13b 2nd extension section 12c, 13c recess 14 Through hole 19 sides 20 Die-casting parts 21 Main body 22, 23 L-shaped groove 22a, 23a 1st groove 22b, 23b 2nd groove 24 Through hole 25 Cylindrical section 29 sides 30 Shield Shell 31 Main body 32, 33 Cover part 32a, 33a Fitting 35 Spring material 50 Housing 51 Cylindrical part 52 Support part 53 holes 60 Contacts 61 1st rod part 61a Tip 61b Middle part 61c root part 62 Second rod-shaped part 62a Tip 62b Middle part 62c root part 70 Contact Unit 101 Coaxial connector device 110 Outer housing 111 Main body 112 Insertion section 113 Protrusion 114 Through hole 120 Die-casting parts 121 Main body 122 Fitting part 122a, 122b mating plate 123 Insertion hole 124 Through hole 130 Shield Shell 131 Plate-shaped part 132 Spring-like part 134 Through hole 140 GND shell material 144 Through hole 150 Internal Housing 151 Cylindrical part 152 Support part 154 Through hole 160 Contacts 161 First rod-shaped part 162 Second rod-shaped part 170 Contact Unit

Claims

1. an outer housing including an insulator; A die-cast member including a conductor; Equipped with A coaxial connector device in which the outer housing and the die-cast member are connected adjacent to each other in a first direction parallel to an axial direction, The outer housing includes: A first body portion; an L-shaped portion including a first extension portion extending from an end face on one side in the first direction of the first main body portion to one side in the first direction, and a second extension portion extending from an end face on one side in the first direction of the first extension portion to one side in a second direction perpendicular to the first direction; Including, The die-cast member is A second body portion; an L-shaped groove including a first groove portion extending from an end face on the other side in the first direction of the second main body portion to one side in the first direction, and a second groove portion extending from an end face on one side in the first direction of the first groove portion to one side in the second direction; Including, The surface of the second extension portion on the other side in the first direction is in contact with the surface of the second groove portion facing one side in the first direction. Coaxial connector device.

2. The L-shaped groove is formed on at least one of a surface of the second main body portion on one side in a third direction perpendicular to the first direction and the second direction and a surface of the second main body portion on the other side in the third direction, The L-shaped portion is disposed on at least one of one side in the third direction and the other side in the third direction on a surface on one side in the first direction of the second main body portion, 2. The coaxial connector assembly of claim 1.

3. The L-shaped groove is formed such that the second extension portion of the L-shaped portion is inserted into one side of the first groove portion of the L-shaped groove in the first direction, and then the second extension portion of the L-shaped portion is inserted into one side of the second groove portion of the L-shaped groove in the second direction.

3. The coaxial connector assembly of claim 2.

4. Further comprising a shield shell including the conductor, The shield shell is a third body portion disposed on one side surface of the second body portion in the second direction; a spring member connected to the third body portion; a cover portion extending from at least one of an end portion on one side in the third direction of the third main body portion and an end portion on the other side in the third direction of the third main body portion to the other side in the second direction, the cover portion covering the L-shaped portion in the third direction; a fitting portion provided at an end of the cover portion and fitted into a recess of the L-shaped portion; Including, 4. A coaxial connector device according to claim 2 or 3.

5. The spring member and the die-cast member are connected to a ground potential.

5. The coaxial connector assembly of claim 4.

6. a contact including the conductor; a housing containing the insulator; A contact unit including: the axially extending portion of the housing is disposed between the axially extending portion of the contact and the die-cast member; 3. A coaxial connector device according to claim 1 or 2.

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