JPS6215783A - Receptacle for coaxial connector - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a receptacle for a coaxial connector.

BACKGROUND ART Conventionally, as a receptacle for a high frequency coaxial connector, a receptacle as shown in FIG. 15 of the attached drawings is known.
As shown in the half-sectional view in the figure, the center conductor 1 and the insulator 2
It mainly includes an external conductor 3, a lug plate 4 for connecting the external conductor, and a fixing nut 5. This coaxial connector receptacle is attached to the panel 6 by tightening a fixing nut 5 with the lug plate 4 sandwiched therebetween. The coaxial cable 7 is connected to the center conductor 1 and the outer conductor 3 of the receptacle thus attached to the panel 6.
To connect the center conductor 8 and outer conductor 9 of the coaxial cable 7, insert the tip of the center conductor 8 of the coaxial cable 7 into the connection slot IA at the rear end of the center conductor 1 and solder it there. The end of the outer conductor 9 of the coaxial cable 7 was attached to the connection part 4A of the cable and soldered thereto.

Problems to be Solved by the Invention In the conventional coaxial connector receptacle as described above, in order to connect the center conductor and outer conductor of a coaxial cable to it, it is necessary to attach the receptacle to a panel or chassis and then solder it. Because the work involved doing so, it was difficult to do so in a narrow space or in a difficult place due to the presence of electric wires and various parts, which required many man-hours for assembly and wiring, and caused many problems. In other words, during soldering, the soldering iron tip may come into contact with the outer sheath of a coaxial cable or other electric wire, or may come into contact with parts attached to a panel or chassis, melting the wire sheath or destroying parts. An accident occurs. In addition, wiring insulation failure and short circuits occurred due to solder dripping or flying due to solder melting, or flux flying. Furthermore,
The solder connection between the receptacle and the coaxial cable is incomplete, causing contact failure (rucon failure) and disconnection accidents. Furthermore, since soldering makes it difficult or impossible to remove the solder, maintenance work and the like are difficult.

An object of the present invention is to provide a receptacle for a coaxial connector that eliminates the conventional problems as described above.

Means for Solving the Problems According to the present invention, in a receptacle for a coaxial connector having a center conductor and an outer conductor, an insulating block is provided on the connection side, and the insulating block has a conductor that is electrically connected to the center conductor. a center conductor connection terminal electrically connected to the outer conductor; and at least one outer conductor connection terminal electrically connected to the outer conductor; an electrical connector plug is removably coupled to the insulating block; The electrical connector plug includes a center conductor contact having a contact portion that makes electrical contact with the center conductor connection terminal of the insulating block and a connecting portion that connects the center conductor of the electric wire, and a center conductor contact that has a connecting portion that connects the center conductor of the electric wire, and An external conductor contactor having a contact portion that makes electrical contact with the conductor connection terminal and a connection portion that connects the external conductor of the electric wire is provided.

Embodiments Next, the present invention will be described in more detail with reference to embodiments of the present invention based on FIGS. 1 to 14 of the accompanying drawings.

1 and 2 schematically illustrate an example of the use of a receptacle for a coaxial connector according to an embodiment of the present invention. The coaxial connector receptacle of this embodiment includes a receptacle body 100, an insulating block 200 provided on the connection side of this receptacle body 100, and this insulating block 20.
The present invention includes a press-contact type electrical connector plug 300 that can be detachably connected to the electrical connector 0. In FIG. 1, a receptacle main body 100 is attached to a panel 10 using a fixing nut 101, a coaxial cable 20 is connected to an insulation displacement type electric connector plug 300, and the insulation displacement type electric connector plug 300 is connected to an insulation block 200. 2 shows a state in which the pressure contact type electrical connector plug 300 is coupled to an insulating block 200. FIG.

Fig. 3 is a side view showing the integrated receptacle body, insulating block, center conductor connection terminal, and external conductor connection terminal, Fig. 4 is its rear view, and Fig. 5 is a bottom half sectional view of Fig. 3. It is. As clearly shown in the bottom half-sectional view of FIG. 5, the receptacle body 100 includes a center conductor 110, an insulator 120 into which the center conductor 110 is inserted, and an outer conductor shell 130 into which the insulator 120 is attached. , a flange portion 140 made of an insulating material that is attached to the outer conductor shell 130 and the conductor-molded panel 10, and a panel gripping ring member made of an insulating material or a metal material that can move freely depending on the thickness of the panel 10. 150 and spring washer 1
60 and the rear end of the outer conductor shell 130, and the ring member 150 is attached to the panel 10 by removing the spring washer 160.
It is provided with a fixing nut 101 for tightening against. The reason why the panel gripping ring 150 is made of both insulating material and metal material is to make it replaceable depending on the purpose of use.

That is, when the outer conductor shell 130 and the panel 10 are used in an electrically insulated state, the ring 150 is made of an insulating material, and conversely, the outer conductor shell 13
When the mononuclear ring 150 is used in electrical continuity with the panel 10, a metal material I4ff may be used as the mononuclear ring 150.

In this embodiment, the center conductor 110 of the receptacle body 100 has a center conductor connecting terminal 210 formed at its rear end, as clearly shown in the enlarged partially cutaway side view of FIG. This center conductor connection terminal 210 connects the center conductor 11
0 and may be electrically connected to the center conductor 110 later. This central conductor 11
0 is made of a springy conductive material such as phosphor bronze, similar to the receptacle for normal coaxial connectors, and the center conductor of the mating coaxial connector is inserted into its front end and electrically connected to it. The flange portion 11 has a slotted contact portion 111 for contact, and a knurled portion for press-fitting and fixing into the hole of the insulator 120 in the middle portion.
It has 2. In this embodiment, the center conductor 11
0 is provided with a flange portion 113 for press-fitting and fixing the insulating block 200 as described later.

FIG. 7 is an enlarged side view of the external conductor connection terminal 220 provided on the insulating block 200 and connected to the external conductor shell 130 of the receptacle body 100. This external conductor connection terminal 220 is made of brass, for example, and has a front end portion that includes a connecting portion 221 that connects to the external conductor shell 130,
The rear end portion is a contact portion 222 that comes into contact with a contact, which will be described later, of the pressure contact type electrical connector plug 300. A cross-shaped protrusion 8223 is provided in the middle of the external conductor connection terminal 220 to be press-fitted into a hole in the insulating block 200, as will be described later. This cross-shaped protrusion 22
3 is best shown in FIG. 8 which shows a rear view of FIG.

As shown in FIG. 5, the external conductor connection terminal 22
0 is press-fitted into the insulating block 200 and the connecting portion 221 of the outer conductor shell 130 is press-fitted into the connection hole 131 formed at the rear end of the outer conductor shell 130.
30 electrically and mechanically connected. A punching groove 132 is formed on the outer periphery of the rear end of the outer conductor shell 130, and by punching at this location, the outer conductor shell 130 and the outer conductor connection terminal 22 are connected to each other.
The connection with 0 can be strengthened.

Next, the structure of the insulating block 200 will be explained in more detail with reference to FIGS. 9 and 10.

The insulating block 200 is integrally molded from an insulating material such as polyamide resin, and extends rearward from the base portion 201 and the upper and lower portions of the base portion 201, as best shown in the side view of FIG. It includes locking pieces 202 and 203. As clearly shown in FIG. 10, the base portion 201 of the insulating block 200 has a center conductor connection terminal press-fit hole 204 at its center 5 for press-fitting into the flange portion 113 at the rear end of the center conductor 110 described above. , the projections 223 of the external conductor connection terminals 220 described above are placed on both sides of this press-fit hole 204.
A terminal press-fit hole 205 for press-fitting an external conductor is provided. Furthermore, the locking piece 2 of the insulating block 200
02 is provided with a locking protrusion 206 that engages with a locking protrusion provided on an insulating housing of a pressure contact type electrical connector plug, which will be described later.

In the insulating block 200 of this embodiment, the external conductor connecting terminals 220 are press-fitted and fixed thereto later, but the insulating block 200 is integrally molded together with the external conductor connecting terminals 220. You can put it away. Furthermore, when the center conductor connection terminal 210 is provided separately from the center conductor 110, the insulating block 200 may be molded together with the center conductor connection terminal 210.

Finally, the structure of the pressure contact type electrical connector plug 300 will be explained with reference to FIGS. 11, 12, and 13.

FIG. 11 is a partially cutaway perspective view of an example of the pressure contact type electric connector plug 300, showing a state in which the insulating housing and the pressure contact connection protector are separated. As shown in FIG. 11, this pressure contact type electrical connector 3
00 is an insulating housing 310, a contactor 330 disposed in this insulating housing 310, and an insulating housing 3
Pressure connection protector 34 [1
The insulating housing 310 is integrally molded from an insulating material such as glass-filled nylon resin, and in this embodiment, three contact array holes 311 are formed in the main body. .In addition, the insulating housing 31
0 are provided with protrusions 312 and 313 for preventing incorrect fitting with the above-mentioned insulating block 200, and both sides of the insulating housing 310 are provided with engagement portions of a pressure bonding protector 340, which will be described later. Grooves 314 are formed to receive the stopper legs 341, and the bottoms of these grooves 314 are
A locking protrusion 3 provided at the end of a locking leg 341 to be described later
A locking shoulder 315 is formed which is engaged by 42. Furthermore, two locking protrusions 316 are formed on one outer wall of the insulating housing 310, as best shown in the plan view of FIG. 12 and the cross-sectional view of FIG. 13.

The contact 330 disposed in the contact arrangement hole 311 of the insulating housing 310 is integrally formed of a conductive material with a spring column, and as clearly shown in the cross-sectional view of FIG. side contact terminal, i.e. insulating block 20
The contact portion 331 makes contact with the center conductor connection terminal 210 or the outer conductor connection terminal 220 disposed at the center conductor, and the pressure connection portion 332 connects the electric wire by pressure connection. A pressure contact slit 333 is formed in the pressure contact connection portion 332 .

The pressure welding connection protector 340 is also attached to the insulating housing 3.
10, it is integrally molded from an insulating material such as glass-filled nylon resin. This protector 3
40 has a main body that fits on the outside of the lower end of the insulating housing 310 in FIG.
A locking leg 341 is provided to be inserted into. As described above, the locking protrusion 34 is provided at the tip of the locking leg 341.
2 is formed, and when this locking protrusion 342 engages with the locking shoulder 315 of the insulating housing 310,
The fitted state of the protector 340 to the insulating housing 310 is locked.

An insulating housing 3 is provided at the bottom of the main body of the protector 340.
The protruding insulation displacement connection portion 3 of the contactor 330 disposed on the
A receiving groove 343 for receiving 32 is formed. Wire holding members 344 are provided on opposite outer walls of the main body on both sides of these receiving grooves 343 . These wire holding members 344 have wire receiving slots 3 between them.
45, and these wire holding members 344 are formed with stop protrusions 344A that protrude into the slots 345 and stop the wires therein.

In this embodiment, the contact 330 disposed in the contact arrangement hole 311 at the center of the insulating housing 310 contacts the center conductor connecting terminal 210 disposed in the insulating block 200 and connects the coaxial wire to be connected. The contacts 330, which are connected to the center conductor of the cable and arranged in the contact arrangement holes 311 on both sides of the insulating housing 310, are in contact with the external conductor connection terminals 220 arranged in the insulating block 200. , and is connected to the outer conductor of the coaxial cable to be connected.

A coaxial cable can be connected to the coaxial connector receptacle having such a configuration as follows.

(1) First, as schematically shown in FIG. 14, the outer sheath 21 at the tip of the coaxial cable 20 to be connected is cut and removed to expose the outer conductor 22, and the exposed outer conductor 22 is connected to the center conductor 24. The outer conductor groups 22A and 22B are separated from the surrounding dielectric 23 and divided into right and left outer conductor groups 22A and 22B, and insulating pipes 25A and 25B are attached to each of these outer conductor groups 22A and 22B. As a result, the tip of the coaxial cable 20 has an exposed dielectric portion 23 having the center conductor 24 therein, an insulating pipe 25A having the outer conductor group 22A therein, and an insulating pipe 25B having the outer conductor group 22B therein. It can be divided into

(2) Next, as shown in FIG.
The left side of the insulation displacement connection protector 340 separated from 0 (
In FIG. 11), the insulated pipe 25A of the coaxial cable 20, which has been terminal-treated as described above, is placed in the wire receiving slot 345 (in FIG. The insulating pipe 25B is placed in the slot 345. In this way, when the insulated know \ housing 310 is coupled to the protector 340 in which the terminal processing part of the coaxial cable 20 is arranged, the insulated pipe 25 is connected to the insulation displacement connection part 332 of each contactor 330.
Outer conductor 22A in A, center conductor 24 in dielectric part 23
and the external conductor 22B inside the insulated pipe 25B are connected by pressure welding. At this time, the locking protrusion 342 of the locking leg portion 341 of the protector 340 is attached to the insulating housing 310.
By engaging the locking shoulder 315 of the coaxial cable 20, the insulating housing 310 and protector 340
It is fitted and locked when the tip of the wire is gripped. This state is shown on the left side of FIG.

(3) The pressure-contact type electrical connector plug 300 with the tip of the coaxial cable 20 connected in this way is attached to an insulating block fixed to the connection side of the receptacle body 100 attached to the panel 10, as shown on the right side of FIG. 200.

At this time, the terminals 220 for connecting external conductors on both sides arranged on the insulating block 200 and the terminal 2 for connecting the central conductor in the center
10 contacts the contact portions 331 of the contacts 330 on both sides and the contact portion 331 of the center contact 330 of the insulation displacement type electrical connector plug 300, respectively. Therefore, the center conductor 24 of the coaxial cable 20 is connected to the center conductor 110 of the receptacle body 100 via the contactor 330 and the center conductor connection terminal 210, and the outer conductor 24 of the coaxial cable 20
A and 22B are the contactor 330 and the external conductor connection terminal 2
20 to the outer conductor shell 130 of the receptacle body 100. In this state, the connection between the pressure contact type electrical connector plug 300 and the insulating block 200 is made between the locking protrusion 316 provided on the insulation housing 310 of the pressure contact type electrical connector plug 300 and the locking protrusion of the locking piece 202 of the insulation block 200. 206.

This state is shown in FIG.

In the above-described embodiment, the electrical connector plug 300 corresponding to the insulating block 200 was of a pressure connection type that connects the outer conductor 22 and center conductor 24 of the coaxial cable 20 by pressure connection, but the present invention is limited to this. Alternatively, the electrical connector plug 300 may be connected by pressure welding, solder connection, or other connection methods.

Effects of the Invention As mentioned above, the receptacle for a coaxial connector of the present invention can connect a coaxial cable by connecting an electrical connector plug to which a coaxial cable has been connected in advance to an insulating block. There is no need for soldering at all during installation, and even in narrow and difficult places, assembly and wiring can be done easily in a short time, and problems such as leakage defects and disconnection accidents do not occur. Further, since the coaxial cable can be easily disconnected by removing the electric connector plug from the insulating block, maintenance work can be easily performed.

[Brief explanation of the drawing]

Fig. 1 is a schematic diagram showing an example of the use of a receptacle for a coaxial connector as an embodiment of the present invention, and Fig. 2 is a diagram similar to Fig. 1, but a pressure-contact type electrical connector plug is attached to an insulating block. Schematic diagram showing the combined state, Figure 3 is the first
A sectional view showing the integrated receptacle body, insulating block, center conductor connection terminal, and external conductor connection terminal of the coaxial connector receptacle shown in the figure, Figure 4 is a rear view of Figure 3, and Figure 5 is the figure 3. 6 is an enlarged partially cutaway side view showing the center conductor of the receptacle body, FIG. 7 is an enlarged side view of the external conductor connection terminal, and FIG. 8 is a rear view of FIG. Figure 9 is a side view of the insulation block, Figure 10 is the 9th
11 is a partially cutaway perspective view showing an example of the pressure contact type electrical connector plug, FIG. 12 is a plan view of the insulating housing of the pressure contact type electrical connector plug shown in FIG. 11, and FIG.
The figures are a sectional view of the insulating housing shown in Fig. 12, Fig. 14 is a schematic diagram showing the terminal processing section of the coaxial cable to be connected, and
FIG. 5 is a schematic diagram showing an example of the use of a conventional coaxial connector receptacle. 10...Panel, 20...Coaxial cable, 421...Outer jacket, 22...Outer conductor, 22A, 22B...Outer conductor Group, 23...
...Dielectric part, 24 ... Center conductor, 25A
, 25B... Insulated pipe, 100...
Receptacle body, 110... Center conductor, 12
0...Insulator, 130...Outer conductor shell, 200...Insulation block, 201...
... Base part, 202 ... Locking piece, 204 ...
...Terminal press-fit hole for connecting center conductor, 205...
External conductor connection terminal press-fit hole, 206... Locking protrusion, 210... Center conductor connection terminal, 220.
...Terminal for connecting external conductor, 300 ... Pressure contact type electrical connector plug, 310 ... Insulation housing, 311 ... Contact arrangement hole, 314 ...
... Groove, 315 ... Locking shoulder, 316 ...
...Latching protrusion, 330...Contactor, 331
....Contact part, 332...Impression connection part,
340...Protector for insulation displacement connection, 341...
... Locking leg portion, 342 ... Locking protrusion, receiving groove, 345 ... Electric wire receiving slot. Figure 1 Figure 2 Figure 3 va Figure 4 Figure 5 Figure 6 Figure 7 Figure 81 Figure 12 Figure 13 Figure 14

Claims (2)

[Claims] (1) In a coaxial connector receptacle having a center conductor and an outer conductor, an insulating block is provided on the connection side, and the insulating block includes a center conductor connecting terminal electrically connected to the center conductor, and a center conductor connecting terminal electrically connected to the center conductor. At least one external conductor connection terminal is provided to electrically connect to the external conductor, and an electrical connector plug is removably coupled to the insulating block, and the electrical connector plug includes: , a center conductor contact having a contact part that electrically contacts the center conductor connection terminal of the insulating block and a connection part that connects the center conductor of the electric wire; and the outer conductor connection terminal of the insulating block. A receptacle for a coaxial connector, characterized in that it is provided with a contact for an external conductor having a contact portion for electrical contact and a connection portion for connecting an external conductor of an electric wire. (2) The insulating block is provided with a locking piece, and the electrical connector plug is provided with a locking protrusion, and the engagement of the locking piece and the locking protrusion causes the A receptacle for a coaxial connector according to claim 1, wherein the connection of the electrical connector plug to the insulating block is maintained.