Connector Module

Abstract

To constitute a connector module which facilitates assembly and cuts off electromagnetic waves.SOLUTION: A connector module CM includes a connection unit A, and a case 1b supporting the connection unit A. The connection unit A has an axial terminal 11 formed of a conductive material, a shell 12 obtained by molding a conductive material into a cylindrical shape, and a holder 13 which is arranged on the outer periphery of the axial terminal 11 and is formed of an insulating resin material. The case 1b is formed of a conductive material, and has an insertion hole 1c supporting the connection unit A in an insertion state formed on a wall part 1w. The shell 12 has a plurality of projections 12T projecting outward in a radial direction on its outer peripheral surface, the plurality of projections 12T are press-fit into the insertion hole 1c, thereby the plurality of projections 12T are press-bonded to the inner peripheral surface of the insertion hole 1c of the wall part 1w, and the shell 12 and the case 1b are electrically connected to each other.SELECTED DRAWING: Figure 3

Description

[Technical Field]

[0001] The present invention relates to a connector module. [Background technology]

[0002] Patent document 1 describes a connector module for connecting a coaxial cable to a camera module, in which a housing made of insulating material such as resin is fitted into an insertion hole portion of a connector case made of insulating material such as resin, and a terminal module is arranged inside the cylindrical space of this housing.

[0003] The terminal module includes a conductive central conductor, a conductive cylindrical shell disposed around the central conductor, and an insulating holder disposed between them. When the jack of a coaxial connector to be connected to a coaxial cable is inserted into the terminal module, the central conductor is electrically connected to the inner conductor of the coaxial cable, and the cylindrical shell is electrically connected to the outer conductor of the coaxial cable.

[0004] In the connector module of Patent Document 1, a shield case is disposed on the inner periphery of a connector case in a cylindrical shell of a terminal module, and the cylindrical shell and the shield case are electrically connected.

[0005] In Patent Document 2, the connector case (called the case in the document) is die-cast from an aluminum alloy, and is integrally formed with a cylindrical fitting portion that protrudes outward. To place a terminal module (called an external connector in the document) in the internal space of the fitting portion, a partition wall is formed inside the fitting portion, and a space is formed through which the terminal module is inserted.

[0006] In Patent Document 2, a recess is formed on the inner periphery of the partition wall, and a fitting protrusion that can be fitted into the recess on the inner periphery of the partition wall is formed on the outer periphery of the base end side (inside the case) of the terminal module (external connection connector in the document).The external connection connector is supported in the case part by fitting the fitting protrusion into the recess.

[0007] Similar to Patent Document 2, Patent Document 3 describes a configuration in which a connector case (called a case portion in the document) is die-cast from an aluminum alloy, a cylindrical fitting portion is integrally formed with the connector case, and a terminal module (called an external connector in the document) is inserted through a partition wall inside the fitting portion. In particular, Patent Document 3 describes a configuration in which the terminal module is fastened by screwing into a screw hole formed in the partition wall.

[0008] Patent document 4 describes a configuration in which a terminal module (referred to as the connector body in the document) to which a coaxial cable is connected comprises a central contact, a cylindrical shell, and an insulator interposed between them, and in which a connection rib is formed on the inner periphery of the connector insertion portion of the connector case (rear case in the document).

[0009] Furthermore, Patent Document 4 describes a configuration in which the shell and rear case are formed of conductive metal, and a connection flange formed on the shell is pressed against a connection rib formed on the rear case, thereby causing plastic deformation to bring them into pressure contact in a conductive state. [Prior art documents] [Patent documents]

[0010] [Patent Document 1] Patent Publication No. 2021-166161 [Patent Document 2] Japanese Patent Application Publication No. 2018-107097 [Patent Document 3] Japanese Patent Application Laid-Open No. 2018-98069 [Patent Document 4] Japanese Patent Application Publication No. 2019-53943 Summary of the Invention [Problem to be solved by the invention]

[0011] A connector module not only needs to connect a communication cable such as a coaxial cable to a connection target such as a camera module, but also needs to block external electromagnetic waves. For this reason, a configuration in which a shield is provided inside the connector case is also adopted, as described in Patent Document 1. However, a configuration in which a shield case is provided inside the connector case, as in Patent Document 1, not only increases the number of parts, but also requires a configuration in which the shield case is electrically connected to the cylindrical shell, which raises concerns about a complex structure.

[0012] Here, when considering a configuration as described in Patent Document 1, in which a connector case is provided with a housing having a first cylindrical portion and a terminal module is supported relative to this connector case, it is conceivable that this configuration would result in an increase in the assembly process and would also lead to the inconvenience of requiring the strength of parts to be improved in order to firmly attach the terminal module to the connector case.

[0013] In order to resolve such inconveniences, the configurations described in Patent Documents 2 and 3 are considered. These configurations support the terminal module by fitting or screwing it into a case made of aluminum, which makes it possible to reduce the number of manufacturing steps and the number of parts compared to Patent Document 1. However, the configuration of Patent Document 2 requires improved processing precision to increase fitting precision, and the configuration of Patent Document 3 requires rotation during assembly, which could be expected to lengthen the takt time or require a dedicated jig.

[0014] Furthermore, when considering the configuration of Patent Document 4 to eliminate the above-mentioned inconveniences, it is conceivable that the configuration of Patent Document 4 requires pressing the connection flange and the connection rib together, which would require a special tool to clamp the connection flange and the connection rib together and perform the crimping.

[0015] As described above, the configurations described in Patent Documents 1 to 4 have the performance required for a connector module, but require a lot of work to process and manufacture.

[0016] For these reasons, there is a demand for a connector module that is easy to assemble and can block electromagnetic waves. [Means for solving the problem]

[0017] A characteristic configuration of the connector module of the present invention is a connector module having a connection unit that can be connected to the end of a communication cable, the connector module comprising the connection unit and a case that supports the connection unit, the connection unit having an axial terminal made of a conductive material, a shell that is arranged coaxially with the axial terminal and is made of a conductive material and is formed into a cylindrical shape, and a holder that is arranged on the outer periphery of the axial terminal and is made of an insulating resin material, the case having a wall portion made of a conductive material and having an insertion hole formed therein that supports the connection unit in an inserted state, the shell having a plurality of protrusions that protrude radially outward on the outer surface of the portion that is fitted into the insertion hole of the wall portion, the protrusions of the shell of the connection unit being pressed into the inner surface of the insertion hole of the wall portion, thereby electrically connecting the shell and the case.

[0018] According to this characteristic configuration, by press-fitting the connection unit into the insertion hole of the case, multiple protrusions on the outer surface of the shell are pressed against the inner circumferential surface of the insertion hole, not only electrically connecting the shell and case but also maintaining a strong connection between the case and the connection unit. This allows the area from the case to the shell to function as a shield, maintaining a strong connection between the case and the connection unit. Furthermore, since the press-fitting of the connection unit can be performed in a relatively large space, no special tools are required and the manufacturing cycle time is not extended. Therefore, a connector module that is easy to assemble and can block electromagnetic waves is constructed. Furthermore, this configuration provides good thermal conduction between the case and the shell, expanding the heat dissipation area and achieving good heat dissipation.

[0019] In addition to the above configuration, the shell may be integrally formed by die-casting, and may have a cylindrical shell main body, the protrusion, and a flange-like portion that protrudes radially outward on the base end side of the protrusion.

[0020] This allows the shell body, protrusions, and flange portion to be integrally formed without waste of material, even if the flange portion has a large diameter, compared to when the shell is manufactured by lathe machining of metal material, for example.

[0021] In addition to the above configuration, the connection unit may further include a housing having a cylindrical case portion surrounding the outside of the tip portion protruding from the wall portion, the case having a plurality of through holes formed in the wall portion in an area surrounding the outside of the insertion hole, and the housing may have the cylindrical case portion integrally formed by resin molding using a mold, and a bridging portion formed inside the through hole so as to connect to the cylindrical case portion.

[0022] This allows the cylindrical case portion to be formed from resin on the outer surface of the case wall, and a bridge portion that connects the cylindrical case portion and the restricting portion to the inside of the through hole formed in the case, thereby supporting the housing in a locked state relative to the case and preventing the entire housing from rotating.

[0023] In addition to the above configuration, the holder may be formed by insert molding technology in which the shaft-shaped terminal is inserted.

[0024] This arrangement places resin between the outer periphery of the shaft and the inner periphery of the shell, which allows the shaft and the shell to be kept electrically insulated and integrated together. Furthermore, by determining the position of the shaft within the mold when filling with resin in this way, it is also possible to improve the positional accuracy of the shaft. [Brief explanation of the drawings]

[0025] [Figure 1] 1A and 1B are diagrams illustrating an outline of the configuration of a camera unit and a connector module. [Figure 2] FIG. 2 is an exploded perspective view of the connection unit and the receptacle. [Figure 3]10 is a cross-sectional view of the connection unit and the receptacle in a state where the front case and the rear case are separated. FIG. [Figure 4] 10 is a cross-sectional view of the connection unit and the receptacle in a state in which the front case and the rear case are connected to each other. FIG. [Figure 5] 10 is a cross-sectional view showing a protrusion press-fitted into the inner circumferential surface of an insertion hole. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0026] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. [Basic configuration] As shown in FIG. 1, a rear case 1b (an example of a case) of a camera case 1, a connection unit A, and a housing B constitute a connector module CM.

[0027] The connector module CM has a configuration that allows electrical connection to a coaxial cable L (an example of a communication cable) that sends image information captured by a camera unit D (an on-board camera) mounted on the body of a vehicle such as an automobile to the coaxial cable L. In this embodiment, the captured image information sent via the coaxial cable L is displayed on a monitor (not shown) or stored in a storage (not shown). The captured image information sent via the coaxial cable L is not simply displayed on the monitor, but is also fed back for use in driving assistance through image analysis, displayed on a monitor after necessary processing in an ECU, and used to assist when parking.

[0028] 1, camera unit D has a camera case 1 and a camera module 2 housed in camera case 1. Camera module 2 has an imaging lens 2a, an imaging element 2b on which an image captured by imaging lens 2a is formed, and a board 2c that converts the image into a predetermined image format (including video) and sends it out, and a receptacle E is provided on board 2c.

[0029] The camera case 1 is box-shaped and can be separated into a front case 1a that houses the camera module 2 and a rear case 1b that has a connection unit A. A receptacle E is provided on the board 2c of the camera module 2, and by joining the opening 1as of the front case 1a and the opening 1bs of the rear case 1b together, the connection unit A and the receptacle E are connected as shown in Fig. 4 (the specific connection form will be described later). In this way, image information captured by the camera unit D is transmitted via the coaxial cable L.

[0030] The front case 1a and rear case 1b are formed by aluminum die casting or aluminum cold forging, and the camera case 1 is sealed by joining the respective openings.

[0031] As shown in Figures 1 to 4, in the connector module CM, by inserting the end connector La provided at the end of the coaxial cable L into the cylindrical case portion 21 of the housing B, the axial terminal 11 of the connection unit A is electrically connected to the central conductor 5 of the coaxial cable L, and electrical conduction is established between the outer conductor 6 of the coaxial cable L and the shell 12 of the connection unit A.

[0032] A jack-type connector is used as the end connector La. In addition, this connector module CM can also use a locking mechanism to prevent the end connector La inserted into the cylindrical case portion 21 from coming off.

[0033] [Connector module: connection unit] As shown in Figures 2 to 4, the connection unit A includes an axial terminal 11 that is die-cast using a conductive metal material such as zinc, a cylindrical shell 12 that is arranged coaxially with the axial terminal 11 and is made of a conductive metal material, and a holder 13 that is made of an insulating resin material and is arranged in a region extending from the outer periphery of the axial terminal 11 to the inner periphery of the shell 12.

[0034] Holder 13 is formed integrally with axial terminal 11 using resin in a form in which axial terminal 11 is inserted, and holder 13 thus integrated with axial terminal 11 is press-fitted into shell 12. After this press-fitting, while rotating shell 12, high-spin crimping is performed to crimp the bottom of shell 12, creating a retaining state and forming connection unit A. In this way, axial terminal 11, holder 13, and shell 12 are integrated. Furthermore, in order to achieve impedance matching of connection unit A, axial terminal 11 is formed with large-diameter region 11a.

[0035] As shown in FIG. 4, when the center of the shaft-shaped terminal 11 is defined as a central axis X, the shell 12 is disposed coaxially with the central axis X.

[0036] As shown in FIGS. 2 and 3, rear case 1b has a single insertion hole 1c formed in the center of wall 1w facing opening 1bs of rear case 1b. Connection unit A is inserted (specifically, press-fitted as described below) into insertion hole 1c from the inside (opening 1bs side) of rear case 1b, thereby supporting connection unit A on rear case 1b. In this supported state, the tip end (the end on the protruding side) of connection unit A protrudes from the outer surface of wall 1w of rear case 1b. In addition, in this supported state, central axis X of connection unit A coincides with the center of insertion hole 1c.

[0037] In the wall 1w of the rear case 1b, in an area surrounding the outside of the insertion hole 1c, multiple (four) through holes 1d are formed at positions equidistant from the central axis X in the radially outward direction from the insertion hole 1c. Furthermore, in order to connect the rear case 1b to the front case 1a, screw holes 1e are formed through which connecting screws 3 shown in FIG. 4 are inserted.

[0038] Since the connection unit A is arranged in an area extending from the inside to the outside of the rear case 1b, the part of this connection unit A that is exposed to the outside from the wall 1w of the rear case 1b is sometimes referred to as the tip side, and the area inside the rear case 1b is sometimes referred to as the base side.

[0039] Shell 12 is formed by die-casting using a conductive metal material such as zinc, and includes a cylindrical shell body 12a, a first large-diameter portion 12b on the outer periphery of shell body 12a at the base end, a second large-diameter portion 12c adjacent to first large-diameter portion 12b, and a flange-shaped portion 12d on the base end side of second large-diameter portion 12c. Flange-shaped portion 12d is a plate-like member that protrudes radially outward about central axis X, and has notches 12S formed at multiple locations on the outer periphery as shown in FIG. 2. Furthermore, a step surface 12p perpendicular to central axis X is formed at the boundary between first large-diameter portion 12b and second large-diameter portion 12c.

[0040] A plurality of protrusions 12T that are press-fitted into the inner peripheral surface of the insertion hole 1c are formed on the outer peripheral surface of the second large diameter portion 12c of the shell 12. The protrusions 12T protrude radially outward from the shell 12 and extend in a direction along the central axis X of the shell 12. The protrusions 12T are formed in a bullet shape that tapers toward the downstream side in the insertion direction (the upper side in FIGS. 2 to 4) and perpendicular to the central axis X toward the upstream side in the insertion direction (see FIG. 5).

[0041] Since the protrusion 12T is formed in a bullet shape in this manner, the connection unit A (shell 12) can be easily pressed into the insertion hole 1c, and as shown in Figure 5, the protrusion 12T is strongly pressed against the inner surface of the insertion hole 1c of the rear case 1b so as to bite into it, thereby reliably and firmly fixing the connection unit A to the rear case 1b and preventing rotation of the connection unit A about the central axis X relative to the rear case 1b.

[0042] Furthermore, by press-fitting the shell 12 into the insertion hole 1c, the protrusions 12T are tightly pressed against the inner circumferential surface of the insertion hole 1c of the rear case 1b, as described above, thereby electrically connecting the rear case 1b and the shell 12 to create a good shielding state and suppressing the influence of noise. In addition, good heat conduction is achieved between the rear case 1b and the connection unit A, and the heat dissipation area is expanded, realizing good heat dissipation.

[0043] As shown in Figure 3, when the connection unit A is supported by the rear case 1b, the shell main body 12a and the first large diameter portion 12b protrude outward (upward in Figure 4) from the insertion hole 1c, and the protrusion 12T on the outer periphery of the second large diameter portion 12c is pressed against the inner surface of the insertion hole 1c.

[0044] [Connector module: housing] The housing B is integrally formed with the rear case 1b by resin molding using a mold. After this resin molding, the connection unit A is press-fitted into the housing B.

[0045] By forming the housing B in this manner, as shown in FIGS. 3 and 4, a cylindrical case portion 21 with a central axis X is formed in an area surrounding the shell 12 of the connection unit A on the outer surface of the wall portion 1w of the rear case 1b. A restricting portion 22 is also formed on the inner surface of the wall portion 1w of the rear case 1b in a space extending from the flange-shaped portion 12d to the inner surface of the wall portion 1w. The restricting portion 22 is the position of a gate through which resin is injected when integrally forming the housing B with the rear case 1b, and a notch 12S on the outer periphery of the flange-shaped portion 12d of the shell 12 is positioned to overlap the gate. The gate serves as a flow path for flowing resin to the bridging portion 23, so the restricting portion 22 and the flange-shaped portion 12d of the shell 12 are formed with a predetermined thickness. The bridging portion 23 is formed inside the multiple through-holes 1d to connect the cylindrical case portion 21 and the restricting portion 22.

[0046] 3 and 4, a plate portion 21a is integrally formed in a region along the outer surface of the rear case 1b of the cylindrical case portion 21 of the housing B. A portion of the plate portion 21a formed on the inner periphery of the cylindrical case portion 21 is positioned to cover a step surface 12p at the boundary between the first large diameter portion 12b and the second large diameter portion 12c of the shell 12.

[0047] [Receptacle] As shown in Figures 2 and 3, receptacle E includes a cylindrical contact 31 made of a conductive metal material (e.g., a copper alloy) supported on substrate 2c, a contact case 32 made of insulating resin fitted into cylindrical contact 31, and a crimp contact 33 arranged inside contact case 32 and made of a conductive metal material (e.g., a copper alloy) supported on substrate 2c.

[0048] The cylindrical contact 31 is soldered to a printed wiring of the ground potential on the substrate 2c, and is electrically connected to the printed wiring. The contact case 32 has a guide surface 32a formed on the outer periphery on the side opposite to the substrate 2c (the side of the connection unit A) that is inclined with respect to the central axis X.

[0049] The crimp contact 33 has a pair of crimp pieces 33a that approach each other so as to sandwich the base end side of the shaft-shaped terminal 11 of the connection unit A, and is electrically connected to the printed wiring on the signal line side of the board 2c by soldering. The pair of crimp pieces 33a of the crimp contact 33 have spring properties, and when the rear case 1b approaches the receptacle E, the pair of crimp pieces 33a come into contact with the base end of the shaft-shaped terminal 11 of the connection unit A in a sandwiched state, thereby achieving electrical conduction with the shaft-shaped terminal 11.

[0050] 2 and 3, the connection unit A includes a connector 35 that electrically connects the shell 12 to the cylindrical contact 31. The connector 35 includes a ring portion 35a that is fixed in a fitted state to the base end side of the shell 12, a plurality of first contact pieces 35b that extend from the ring portion 35a toward the outer periphery of the flange-shaped portion 12d, and a plurality of second contact pieces 35c that extend from the ring portion 35a toward the outer surface of the cylindrical contact 31.

[0051] The ring portion 35a, the plurality of first contact pieces 35b, and the plurality of second contact pieces 35c are made of a conductive metal material (e.g., copper alloy) and are integrally formed so as to be electrically connected to each other. The plurality of first contact pieces 35b have spring properties so as to maintain contact with the surface of the flange-shaped portion 12d of the shell 12 opposite the wall portion 1w of the rear case 1b, and are formed in a position that spreads radially from the central axis X as viewed in a direction along the central axis X (see FIG. 2).

[0052] The multiple second contact pieces 35c have one end supported by the ring portion 35a and have spring properties so that they press against the outer periphery of the cylindrical contact 31 from the outside.When the rear case 1b approaches the receptacle E, the outer end sides of the multiple second contact pieces 35c flexibly deform in a direction away from the central axis X on the guide surface 32a of the contact case 32, and then come into contact with the cylindrical contact 31 due to their spring properties.

[0053] [Setup form] 4, when the opening 1as of the front case 1a and the opening 1bs of the rear case 1b of the camera unit D are brought into close contact with each other and fixed with the connecting screws 3, the respective cases are brought relatively close to each other. As a result, the pair of crimping pieces 33a of the crimping contacts 33 of the receptacle E sandwich the shaft-shaped terminals 11 of the connection unit A, and the crimping contacts 33 and the shaft-shaped terminals 11 come into contact with each other and are electrically connected. As a result, the signal lines of the substrate 2c are connected to the shaft-shaped terminals 11.

[0054] At the same time, in the connector module CM, the multiple second contact pieces 35c of the connecting body 35 come into contact with the outer surface of the tubular contact 31 of the receptacle E, thereby establishing electrical conductivity between the ground of the substrate 2c and the shell 12 of the connection unit A.

[0055] By inserting the end connector La of the coaxial cable L into the cylindrical case portion 21 of the housing B of the connector module CM, electrical conductivity is established between the center conductor 5 of the coaxial cable L and the axial terminal 11 of the connection unit A, and electrical conductivity is established between the outer conductor 6 of the coaxial cable L and the shell 12 of the connection unit A.

[0056] This allows the signal line of the board 2c to be electrically connected to the central conductor 5 of the coaxial cable L, and the ground of the board 2c to be electrically connected to the outer conductor 6 of the coaxial cable L, making it possible to send the captured image information of the camera unit D to the coaxial cable L.

[0057] [Effects of the embodiment] In the connector module CM, a holder 13 made of resin integrated with an axial terminal 11 is pressed into the shell 12, and after this pressing, the shell 12 is rotated and the bottom of the shell 12 is fastened by high-spin crimping to prevent it from coming loose, thereby creating a connection unit A in which the axial terminal 11, shell 12, and holder 13 are integrated, and by pressing and fixing this integrated connection unit A into an insertion hole 1c formed in the wall 1w of the rear case 1b, the relative positions of the shell 12 and the rear case 1b are fixed.

[0058] The multiple protrusions 12T formed on the outer peripheral surface of the shell 12 protrude radially outward from the shell 12 and extend along the central axis X of the shell 12. The protrusions are bullet-shaped, tapering toward the downstream side in the insertion direction and perpendicular to the central axis X toward the upstream side in the insertion direction. This facilitates press-fitting into the insertion hole 1c formed in the wall 1w of the rear case 1b and ensures secure fixation of the connection unit A to the rear case 1b. In particular, the multiple protrusions 12T are firmly pressed against the inner peripheral surface of the insertion hole 1c of the rear case 1b, thereby not only fixing the positional relationship between the connection unit A and the rear case 1b but also electrically connecting the rear case 1b and the shell 12 to create a good shielding state and suppressing the effects of noise. This configuration also ensures good heat conduction between the shell 12 and the rear case 1b, resulting in a heat dissipation effect.

[0059] The shell 12 is formed integrally by die-cast molding, with the shell body 12a, the first large diameter portion 12b, the second large diameter portion 12c, the multiple protrusions 12T on the outer surface of the second large diameter portion 12c, and the flange-shaped portion 12d, thereby reducing material waste compared to, for example, a case in which a metal material is formed by lathe processing.

[0060] The housing B is made of insulating resin and is configured with a cylindrical case portion 21 formed on the outer surface of the wall portion 1w of the rear case 1b and bridge portions 23 formed inside the multiple through-holes 1d, thereby reliably fixing the cylindrical case portion 21 to the rear case 1b.

[0061] Furthermore, by providing a receptacle E on the substrate 2c and arranging the cylindrical contacts 31, crimp contacts 33, etc. that make up this receptacle E coaxially with the central axis X, when the openings 1as, 1bs of the front case 1a and the rear case 1b of the camera unit D are connected in a state where they are in close contact with each other, it is possible to establish electrical continuity between the connection unit A and a specified circuit on the substrate 2c, and to transmit the captured image information of the camera unit D to the coaxial cable L.

[0062] [Another embodiment] The present invention may be configured as follows in addition to the above-described embodiments (common numbers and symbols are used to designate components having the same functions as those in the embodiments).

[0063] (a) The shape of the protrusion 12T is not limited to a bullet shape, but may be a rod shape oriented along the central axis X, or an arc shape oriented along the circumferential direction of the second large diameter portion 12c. Also, the outer surface of the second large diameter portion 12c may be roughened.

[0064] (b) The shape of the shell 12 can be, for example, formed with a flange-shaped portion 12d at the end of the straight-formed shell main body 12a, and multiple protrusions 12T formed on the outer surface of the shell main body 12a. The protrusions 12T can be formed at any position corresponding to the position of the insertion hole 1c of the rear case 1b.

[0065] (c) The connector module CM is provided at a location where a communication cable is connected in a device other than a camera.

[0066] Furthermore, the configurations disclosed in the above embodiments (including other embodiments) can be applied in combination with configurations disclosed in other embodiments, as long as no contradictions arise. Furthermore, the embodiments disclosed in this specification are examples, and the embodiments of the present invention are not limited to these, and can be modified as appropriate within the scope that does not deviate from the purpose of the present invention. [Industrial Applicability]

[0067] The present invention can be used in a connector module. [Explanation of symbols]

[0068] 1b Rear case (case) 1c Insertion hole 1w wall 11 Axial terminal 12 shells 12a Shell body 12d Flange-shaped part 12T protrusion 13 Holder 21 Cylindrical case part 23 Bridge part A Connection Unit B Housing CM Connector Module L Coaxial cable (communication cable) X center axis

Claims

1. A connector module comprising a connection unit connectable to an end of a communication cable, the connection unit; a case for supporting the connection unit; the connection unit includes an axial terminal made of a conductive material, a shell arranged coaxially with the axial terminal and made of a conductive material in a cylindrical shape, and a holder arranged on the outer periphery of the axial terminal and made of an insulating resin material; the case is made of a conductive material and has a wall portion with an insertion hole formed therein for supporting the connection unit in an inserted state; the shell has a plurality of protrusions that protrude radially outward on an outer peripheral surface of a portion of the wall portion that is fitted into the insertion hole, The connector module includes a connector unit in which the protrusion of the shell of the connection unit is press-fitted into the inner peripheral surface of the insertion hole of the wall portion, thereby electrically connecting the shell and the case.

2. 2. The connector module according to claim 1, wherein the shell is integrally formed by die casting and has a cylindrical shell body, the protrusion, and a flange-like portion that protrudes radially outward on the base end side of the protrusion.

3. a housing having a cylindrical case portion surrounding the outside of a tip portion of the connection unit that protrudes from the wall portion; the case has a plurality of through holes formed in the wall portion in an area surrounding the insertion hole, The connector module according to claim 2, wherein the housing has a cylindrical case portion integrally formed by resin molding using a mold, and a bridging portion formed inside the through hole so as to connect to the cylindrical case portion.

4. 2. The connector module according to claim 1, wherein the holder is formed by insert molding, in which the shaft-shaped terminal is inserted.

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