JPH0533482U - Coaxial connector - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a coaxial connector that can be made thin. [Structure] A position where the central conductor 11 of the coaxial connector is fixed to the insulating housing and a position where the central electric wire is connected to a terminal portion of the central conductor are arranged at substantially the same position in the longitudinal direction of the central conductor.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a coaxial connector used by connecting to a coaxial cable without soldering.

[0002]

[Prior Art]

 Conventionally, as shown in FIG. 5, when a coaxial cable 3 on the antenna side is connected to a coaxial connector terminal 2 of a television receiver 1, a coaxial connector 4 is attached to the end of the coaxial cable 3, The coaxial connector body 5 of the connector 4 was inserted and connected to the coaxial connector terminal 2 of the television receiver 1.

6 to 9 show a structure of a conventional coaxial connector 4 of this type. The coaxial connector 4 has an insulating housing 6 having a structure in which an insulating cover 6a is fitted and fixed from above, and a coaxial connector body 5 is attached to the bottom surface side of the insulating housing 6.

The coaxial connector main body 5 has an insulating tubular portion 8 protruding from the bottom surface of the insulating housing 6 in a tubular shape, an insulating bottom plate portion 9 closing the bottom portion of the insulating tubular portion 8, and the insulating tubular portion. The outer conductor 10 is coaxially incorporated into the inner periphery of the portion 8, and the central conductor 11 is coaxially incorporated into the center of the insulating tubular portion 8.

The outer conductor 10 is incorporated in the insulating cylindrical portion 8 so that the base portion thereof does not project into the insulating housing 6, and the pair of legs 10 a penetrates the insulating bottom plate portion 9 and the inside of the insulating housing 6 is covered. The locking pieces 10b are cut out and raised from the respective leg portions 10a and are prevented from coming off.

At the center of the insulating bottom plate portion 9, an insulating boss portion 12 for inserting and supporting the center conductor 11 is provided so as to project into the insulating housing 6. The central conductor 11 has a round bar-shaped pin portion 11a that protrudes into the outer conductor 10, and a flat plate-shaped locking plate portion 11b that penetrates the insulating bottom plate portion 9 and the insulating boss portion 12. The portion projecting into the insulating housing 6 at the tip of the locking plate portion 11b forms a flat terminal portion 11c. Locking protrusions 11d for fixing the central conductor 11 to the insulating bottom plate portion 9 and the insulating boss portion 12 are provided on both edges of the locking plate portion 11b in the width direction. The terminal portion 11c is provided with a slit 11e.

On the bottom surface side in the insulating housing 6, there is provided an earth clamp 14 which is connected to the outer conductor 10 of the coaxial connector body 5 and holds the outer conductor 13 a of the coaxial cable 3. A window 14a is opened in a portion of the earth clamp 14 through which the central conductor 11 penetrates, the leg portion 10a of the outer conductor 10 is projected into the window 14a, and the leg portion 10a and the earth clamp 14 are soldered or the like. It is electrically connected. The ground clamp 14 is provided with a barrel portion 14b for holding the outer conductor 13a of the coaxial cable 3. A ground terminal 14c is provided at the end of the ground clamp 14, and the ground terminal 14c penetrates the insulating housing 6 and is led out from the bottom surface thereof, and is screwed to fix the ground clamp 14.

An insulating bracket 15 is provided on the insulating bottom plate portion 9 so as to position the earth clamp 14 along the inner peripheral edge of the window 14 a of the earth clamp 14. The insulation bracket 15 also serves as an insulating base that prevents the center electric wire 13b of the coaxial cable 3 from coming into contact with the earth clamp 14.

[0009]

[Problems to be solved by the device]

 However, in such a conventional coaxial connector 4, the locking plate portion 11b and the terminal portion 11c of the central conductor 11 of the coaxial connector main body 5 are provided so as to be displaced in the longitudinal direction of the central conductor 11. However, there is a problem that the thickness of the insulating housing 6 that accommodates them becomes thicker by that amount, and the thickness of the coaxial connector 4 becomes thicker.

[0010]

According to the present invention, an insulating tubular portion of a coaxial connector body is projectingly formed in an insulating housing with its connection port opened to the outside, and a central conductor of the coaxial connector body is provided in the insulating housing. A terminal portion provided at the rear end for electrically connecting to the central electric wire of the coaxial cable; an external conductor inserted into the coaxial connector body and prevented from coming off by a locking piece provided on the side surface; In a coaxial connector that is connected and has an earth clamp that grips the outer conductor of the coaxial cable, a portion for fixing the central conductor to the insulating housing and a portion for connecting the central electric wire to the terminal portion are provided. In the coaxial connector, the central conductors are arranged at substantially the same position in the longitudinal direction.

[0011]

[Action]

 Since the location where the center conductor is fixed to the insulating housing and the location where the center wire is connected to the terminal are located at approximately the same position in the longitudinal direction of the center conductor, the projection of the center conductor in the insulation housing in the coaxial connector body The length of the insulation housing can be shortened, and the thickness of the insulating housing can be reduced accordingly.

[0012]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS. It should be noted that the same or corresponding parts as those in FIGS. 5 to 9 described above are designated by the same reference numerals and detailed description thereof will be omitted.

In the coaxial connector 4 of this embodiment, the insulating cylindrical portion 8 of the coaxial connector main body 5 is provided so that about 1/2 of its length is projected into the insulating housing 6. Therefore, the insulating bottom plate portion 9 also protrudes into the insulating housing 6 and is fixed. The outer conductor 10 is fitted on the inner circumference of the insulating housing 6 and is prevented from coming off by the locking pieces 10b of the pair of legs 10a penetrating the insulating bottom plate 9. Therefore, the protruding length of the insulating tubular portion 8 and the outer conductor 10 from the insulating housing 6 is shortened by the protruding length in the insulating housing 6.

The center conductor 11 has a round bar-shaped pin portion 11 a that protrudes into the outer conductor 10, and a flat plate-shaped locking plate portion that penetrates the insulating bottom plate portion 9 and the insulating boss portion 12. 11b, and a portion that bites into the locking plate portion 11b and projects into the insulating housing 6 forms a flat terminal portion 11c. Locking protrusions 11d for fixing the central conductor 11 to the insulating bottom plate portion 9 and the insulating boss portion 12 are provided on both edges in the width direction of the locking plate portion 11b. The terminal portion 11c is provided with a slit 11e.

The slit 11e is a slit provided in the central conductor 11 of the coaxial connector body 5 and is a portion for connecting the central electric wire 13b. Further, the slit 11e and the both locking projections 11d are provided between both the locking projections 11d of the locking plate portion 11b, and are substantially at the same position in the longitudinal direction of the center conductor 11.

Therefore, the coaxial cable 3 is extended to a position between the left and right locking projections 11d so that the connection with the central electric wire 13b of the coaxial cable 3 can be performed at substantially the same position as the locking projection 11d. Therefore, the locking plate portion 11b and the terminal portion 11c are present at the same position, which is different from the conventional arrangement in which the positions are shifted in the longitudinal direction. The projecting length is shortened, and the thickness of the coaxial connector 4 is reduced accordingly. The center conductor 11 of the coaxial connector body 5 can be fixed to the insulating boss 12 by insert molding.

In this embodiment, since the insulating tubular portion 8 is fitted in the window 14a of the earth clamp 14, the insulating bracket 15 is not necessary and is omitted.

[0018]

[Effect of the device]

 As described above, in the coaxial connector according to the present invention, the central conductor of the coaxial connector is fixed to the insulating housing, and the central conductor of the coaxial cable is connected to the terminal portion of the central conductor in the longitudinal direction of the central conductor. Since the center conductor of the coaxial connector main body can be made to have a substantially same position, the projecting length of the central conductor of the coaxial connector main body in the insulating housing can be shortened, and the thickness of the insulating housing can be made thin. Can be realized.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a coaxial connector according to the present invention.

FIG. 2 is a vertical sectional side view of a coaxial connector according to the present invention.

FIG. 3 is a plan view of the coaxial connector shown in FIG. 2 with an insulating cover removed.

4 is a transverse cross-sectional view of the coaxial connector shown in FIG. 3 at a position AA.

FIG. 5 is a side view showing an example of use of a general coaxial connector.

FIG. 6 is a vertical sectional side view of a conventional coaxial connector.

FIG. 7 is a vertical sectional side view of a conventional coaxial connector at a position different from that of FIG.

FIG. 8 is a vertical plan view of a conventional coaxial connector.

FIG. 9 is a cross-sectional view of a conventional coaxial connector.

[Explanation of symbols]

 1 Television Receiver 2 Coaxial Connector Terminal 3 Coaxial Cable 4 Coaxial Connector 5 Coaxial Connector Main Body 6 Insulating Housing 6a Insulating Cover 8 Insulating Cylindrical Part 9 Insulating Bottom Plate Part 10 Outer Conductor 10a Leg Part 10b Locking Piece 11 Center Conductor 11a Pin Part 11b Locking plate part 11c Terminal part 11d Locking protrusion 11e Slit 12 Insulation boss part 13a Outer conductor 13b Center electric wire 14 Earth clamp 14a Window 14b Barrel part 14c Ground terminal 15 Insulation bracket

Claims (1)

[Scope of utility model registration request] 1. An insulating cylindrical portion of a coaxial connector main body is formed on an insulating housing by projecting the connecting port to the outside.
A terminal portion provided inside the insulating housing at the rear end of the center conductor of the coaxial connector body and electrically connected to the center electric wire of the coaxial cable; and a locking piece provided on the side surface inserted into the coaxial connector body. In a coaxial connector including an outer conductor that is prevented from coming off, and an earth clamp that is connected to the outer conductor and that holds the outer conductor of the coaxial cable, a portion that fixes the central conductor to the insulating housing,
A coaxial connector, characterized in that a location where the central electric wire is connected to the terminal portion is substantially at the same position in the longitudinal direction of the central conductor.