JP2001338734A - Receptacle for coaxial connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a receptacle for a coaxial connector, capable of reducing the number of component items and manufacturing it at a low cost. SOLUTION: An outer electrode 60 has a fitting recess 55 for fitting to the tip of a coaxial plug 4 on the surface side. A moving spring plate 56 is fixed to a base 61, installed on the back of the outer electrode 60 at one end and arranged elastically in the direction of the outer electrode 60 at the other end, and has a contact projection piece 57, whose tip projects in the fitting recess 55 through a hole 55 opened on the bottom of the fitting recess 55 of the outer electrode 60, formed by cutting up in the middle part. The contact projection piece 57 receives a force for bending the moving coil plate 56, when the tip of a coaxial post 5 elastically contacts with the tip, ad the moving spring plate 56 is bent in the direction of separating the a moving contact 58 from the contact surface of a fixed terminal 59.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a receptacle for a coaxial connector.

[0002]

2. Description of the Related Art A hands-free kit and a device for fixing a mobile phone are provided, which allow a user to talk with the mobile phone without having the mobile phone even when driving, when the mobile phone is carried into a car and used. Have been. FIG.
Denotes a device A such as a hands-free kit and a mobile phone B. The device A is provided with a mounting portion 1A for mounting the mobile phone B on the upper surface of the housing 1, and the mounting portion 1A is provided with a mobile phone. B can be mounted and fixed by placing the back of B. When the mobile phone B is placed and fixed on the mounting portion 1A, the coaxial connector 2 provided on the mounting portion 1A and the receptacle 3 provided on the back of the mobile phone B are fitted and connected, and the coaxial connector 2 is fitted and connected. In the receptacle 3, a circuit for disconnecting the antenna connection part of the wireless communication unit on the mobile phone B side and the antenna on the mobile phone B side and simultaneously connecting the antenna connection part to the coaxial connector 2 side is formed in the receptacle 3. An antenna connection section of the wireless communication section can be connected to the provided antenna via a coaxial cable C connected to the coaxial connector 2.

FIG. 11 shows a state in which a conventionally used coaxial connector 2 and a receptacle 3 have not been fitted and connected. The conventional coaxial connector 2 has a coaxial plug portion 4 fitted into the receptacle 3 and A cable connecting portion 6 for connecting the coaxial cable C to the coaxial post 5 of the coaxial plug portion 4 and a mounting portion 7 for mounting the coaxial connector 2 to the housing 1.

A mounting member 7 is fixed at one end to the outer conductor 9 of the coaxial plug portion 4 and at the other end to a supporting member 8 fixed to the housing 1.
In order to limit the axial displacement of the front end of the coaxial plug portion 4 protruding outside the housing 1, the mounting portion 7 of the coaxial plug portion 4 is provided. Annular member 1 attached near the joint end to
The coil spring 10 is housed in a mounting hole 12 formed in the housing 1, and the member 11 is brought into contact with the inner surface of the housing 1 around the opening of the mounting hole 12, so that the coil spring 10 is coaxial. The plug portion 4 is held so as to be displaceable in the axial direction and the radial direction. Reference numeral 28 denotes a film body for preventing dust and the like from entering the mounting hole 12.

[0005] The coaxial plug portion 4 is composed of a dielectric 13 in which the coaxial post 5 is provided at the center and the external conductor 9 in which the dielectric 13 is provided.

The cable connecting portion 6 has a cylindrical body 22 having a through hole 21 for accommodating a conductor 20 provided in the center of the dielectric 19 of the coaxial cable C. The outer conductor 23 is accommodated. The outer conductor 23 is narrowed down to the cylinder 22 by plastic deformation of the metal ring 24. The cable connecting part 6 has a passage 25 which is integral with the cylindrical body 22 and extends orthogonally to the cylindrical body 22 and extends in the axial direction of the coaxial plug part 4, and connects the conductive case part 26 connected to the through hole 21. The end of the coaxial plug part 4 is fitted and fixed to the conductive case part 26, and the end of the conductor 20 of the coaxial cable C introduced into the conductive case part 26 and the end of the coaxial post 5 are connected. They are electrically connected by soldering or the like.

When the mobile phone B is to be placed at a fixed position on the mounting table 1A of the housing 1 of the device A equipped with the coaxial connector 2 thus configured, the receptacle provided on the back of the mobile phone B The front end of the coaxial plug 4 of the coaxial connector 2 is fitted into a hole 14 formed on the surface of the external electrode body 3 such that the inner diameter gradually increases from the bottom toward the surface opening. The tip of the coaxial plug portion 4 comes into contact with the tapered surface of the hole portion 14 due to a force for pressing the coaxial plug portion 4 against the mounting table 1A side, but the coaxial plug portion 4 swings in the axial direction and the radial direction by the coil spring 10. In addition, the shock of the coaxial connector 2 can be absorbed to reduce the risk of damage.

When the tip of the coaxial plug 4 is fitted into the fitting recess 15 provided at the center bottom of the hole 14, the tip of the movable contact 16 exposed at the bottom is pushed by the tip of the coaxial post 5 to move. By moving the contact body 16 in the axial direction, the movable spring plate 17 is further moved at the rear end of the movable contact body 16, and the movable contact 17 a of the movable spring plate 17 is separated from the contact surface of the fixed terminal 18. The movable spring plate 17 is connected to the antenna connection of the wireless communication unit of the mobile phone B, and the fixed terminal 18 is connected to the antenna of the mobile phone B. Is connected to the coaxial post 5 of the coaxial plug unit 4 via the movable spring plate 17 and the movable contact body 16, whereby the vehicle is connected to the antenna on the automobile side via the coaxial cable C.

[0009]

The coaxial post 5 of the coaxial plug portion 4 of the coaxial connector 2 is formed so as not to protrude from the front end surface of the outer conductor 9 because it is dangerous if a finger or the like comes into contact. The contact portion on the receptacle 3 side that contacts the tip of the coaxial post 5 corresponding to
It is exposed from the bottom of.

In the above conventional example, the hole 14 of the external electrode body is formed.
The movable contact body 1 is provided on the bottom of the fitting recess 15 provided at the center bottom of the
6, the tip of the coaxial post 5 is brought into contact with the tip of the movable contact body 16, and at the time of this contact, the movable contact body 16 is pushed to move the movable contact body 16.
The movable spring plate 17 is further moved at the rear end of the movable spring plate 17.
The movable contact 17a is separated from the contact surface of the fixed terminal 18.

Therefore, the movable contact body 16, the movable contact spring 1
(7) The three members of the fixed terminal 18 constitute a contact structure for the coaxial post 5 and a changeover switch unit, which increases the number of parts and increases the cost.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and has as its object to reduce the number of components constituting a contact structure with a coaxial post and a switch contact portion, and to reduce the manufacturing cost of a coaxial. An object of the present invention is to provide a receptacle for a connector.

[0013]

To achieve the above object, according to the first aspect of the present invention, a dielectric having a coaxial post inserted at the center thereof is provided concentrically in a cylindrical outer conductor, The outer end of the coaxial plug, which has the front end of the coaxial post protruding from the front end of the outer conductor and the front end of the coaxial plug is fitted to the outer conductor and the outer conductor comes into contact with the outer end of the coaxial plug. An electrode body, a movable spring plate disposed behind the external electrode body and having one end fixed and the other end resilient in the direction of the external electrode body; and a movable spring plate disposed behind the external electrode body. A fixed terminal having a contact surface with which a movable contact provided on a surface in the spring biasing direction at the other end of the movable spring plate is provided; and Face the inside of the fitting recess of the external electrode body through the hole opened in the bottom of the fitting recess of the external electrode body. A contact projecting piece that allows the tip of the coaxial post to resiliently contact the tip when the tip of the coaxial plug is fitted into the fitting recess; and the tip of the coaxial post is attached to the tip of the contact projecting piece. The movable spring plate bends when the elastic contact is made to separate the movable contact from the contact surface of the fixed terminal.

According to a second aspect of the present invention, in the first aspect of the present invention, the standing position of the contact protrusion is a position near the movable contact.

According to a third aspect of the present invention, in the first or second aspect of the present invention, the tip of the contact protruding piece has a spring property.

According to a fourth aspect of the present invention, in the first or the third aspect of the present invention, the movable contact is located at a position of the hole provided on the bottom surface of the fitting recess of the external electrode body facing the tip of the contact projection. Are provided at positions apart from each other.

According to a fifth aspect of the present invention, in any one of the first to fourth aspects of the present invention, a bent portion having a longer spring length is provided at an intermediate portion from one end of the movable spring plate to a standing position of the contact protrusion. Is provided.

According to a sixth aspect of the present invention, in any one of the first to fifth aspects of the present invention, the tip of the contact protruding piece contacting the tip of the coaxial post is formed into a flat shape substantially orthogonal to the axial direction of the coaxial post. It is characterized by being formed.

According to a seventh aspect of the present invention, in the sixth aspect of the present invention, the surface of the tip of the contact protruding piece is mirror-finished.

According to an eighth aspect of the present invention, in any one of the first to seventh aspects of the present invention, the tip of the tip of the contact protruding piece is connected to the external electrode body through a hole in the fitting recess of the external electrode body. It is characterized by being bent so that it can be put behind.

According to a ninth aspect of the present invention, in any one of the first to eighth aspects of the present invention, the movable spring plate is formed by stamping a single metal plate. It is characterized in that it is formed so as to bulge out on the plate surface of the plate, and the contact protruding piece is cut and raised to be integrally erected.

According to a tenth aspect of the present invention, in the ninth aspect of the present invention, the contact surface at the tip of the contact protruding piece that contacts the tip of the coaxial post is formed by a roll surface at the time of punching.

[0023]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to embodiments. (Embodiment 1) The receptacle 3 of this embodiment is shown in FIG.
As shown in (a), the external electrode body 60 and the external electrode body 60
Are formed on a base 61 of a synthetic resin molded product, which is attached to an upper portion, a movable spring plate 56, a fixed terminal 59, and the like.

The base 61 is formed of a synthetic resin in a cylindrical shape with a bottom. The lower end of the peripheral wall of the external electrode body 60 is placed on a step formed outside the peripheral wall on the opening end side.
0 is applied to the opening.

When the external electrode body 60 is disposed in a mounting hole provided in a case of a portable telephone or the like, the inner surface of the surface facing the outer opening of the mounting hole gradually increases in diameter from the bottom toward the surface opening. A hole 54 having an enlarged diameter is provided, and a fitting recess 55 for fitting the front end of the coaxial plug portion 4 of the coaxial connector 2 shown in FIG. The leading end of a contact protruding piece 57 erected integrally with a movable spring plate 56 provided in the base 61 is inserted into the fitting recess 55 through a hole 55 a at the bottom of the mating recess 55. This contact protrusion 57
Of the coaxial plug portion 4 to be fitted into the fitting concave portion 55 constitutes a contact surface where the distal end of the coaxial post 5 elastically contacts.

Here, the movable spring plate 56 is formed by stamping a single hoop-shaped metal plate, and as shown in FIG. From the part, the terminal piece 56a is formed by bending and extending,
On the upper surface (in FIG. 1) of the other end, a movable contact 58 is formed by swelling by press working or the like, and a press-fit portion 56b provided at one end is pressed into a groove 61a provided on a peripheral wall of the base 61. One end is fixed to the base 61, and the other end, which is a free end, is springed upward in the figure. The tip of the terminal strip 56a is led out of the base 61 and connected to, for example, a wireless circuit unit (not shown) of the mobile phone.

The fixed terminal 59 is fixed to the peripheral wall by press-fitting a press-fitting portion 59a formed at an intermediate portion into a groove 61b provided on the peripheral wall of the base 61.
The other end is led out of the base 61, and the lower surface of one end is arranged to face a movable contact 58 provided on the upper surface of the free end of the movable spring plate 56. The contact surface in contact is constituted by the lower surface.

The other end of the fixed terminal 59 constitutes a terminal connected to, for example, an antenna of a portable telephone, and the coaxial connector 4 is not fitted into the fitting recess 55 of the external electrode body 60 (FIG. 1 (a)). )), The movable contact 58 of the movable spring plate 56 elastically contacts the contact surface of the fixed terminal 59, and a wireless communication unit (not shown) connected to the movable spring plate 56 and an antenna connected to the fixed terminal 59. Are electrically connected.

As shown in FIG. 1B, the front end of the coaxial plug 4 of the coaxial connector 2 is inserted into the fitting recess 55 provided in the hole 54 of the external electrode body 60 of the receptacle 3 of the present embodiment. When the fitting connection is made, the outer conductor 9 of the coaxial connector 2 comes into contact with the outer electrode body 60, and the contact protrusion of the movable spring plate 56 in which the tip of the coaxial post 5 of the coaxial plug portion 4 projects into the fitting recess 55. Elastically contacting the upper end of the contact 57
7 is pushed down.

As a result, the movable spring plate 56 bends around one end, and separates the movable contact 58 on the free end side from the contact surface of the fixed terminal 59, thereby separating the antenna from the wireless communication unit. In other words, the changeover switch section composed of the movable contact 58 and the contact surface of the fixed terminal 59 is driven off.

When the fitting connection of the coaxial connector portion 4 is released, the movable spring plate 56 is elastically restored and the movable contact 5
1 returns to the state of FIG.

The coaxial connector 4 shown in FIG.
A split groove 27 is formed at the front end of the coaxial post 5, and the front end surface of the dielectric 13 is located deeper than the front end surface of the external conductor 9, and the front end surface of the coaxial post 5 protruding from the front end of the dielectric 13 is externally formed. The conductor 9 is located at the inner side so as not to protrude outside from the front end surface.

(Embodiment 2) In Embodiment 1, the upright position of the contact protruding piece 57 is set at a substantially central position between one end and the other end of the movable spring plate 56. FIG.
As shown in FIG.
Is closer to the other end, that is, the free end of the movable contact 58, that is, closer to the movable contact 58.

That is, in this embodiment, the distance between the fixed position of the movable spring plate 56 and the position of the contact protruding piece 57, that is, the spring length L is increased so that the movable spring plate 56 To reduce the stress applied to the spring and prevent spring breakage and deformation.

The other configuration is the same as that of the first embodiment, and is not shown.

(Embodiment 3) In the first and second embodiments, the upper end of the contact protruding piece 57 is a contact surface where the tip of the coaxial post 5 is elastically contacted. 5
7, the stress applied to the movable spring plate 56 is large.

Therefore, in the third embodiment, the tip of the contact projection 57 is bent in an inverted L shape as shown in FIG.
The plate surface 7a serves as a contact surface where the coaxial post 5 of the coaxial plug portion 4 resiliently contacts, and by this bending, the contact projection 57 has elasticity to distribute stress.

That is, this embodiment also reduces the stress applied to the movable spring plate 56 when the coaxial plug portion 4 is fitted and connected.
Spring breakage and deformation are prevented. (Embodiment 4) In Embodiments 2 and 3, the movable contact 58
The stress is reduced by bringing the contact protruding piece 57 upright to the position of the contact protruding piece 57. When the stress can be dispersed as in the contact protruding piece 57 of the third embodiment, the solid line in FIG. As shown, the standing position of the contact protrusion 57 may be separated from the position of the movable contact 58. In this case, the position of the hole 55a of the fitting concave portion 55 of the external electrode body 60 facing the contact projecting piece 57 is further away from the position of the movable contact 58, and the contact projecting piece 57 is fitted and connected to the coaxial post 5 of the coaxial plug portion 4. Even if foreign matter adhering to the tip including the horizontal piece 57a enters the inside of the base 61 through the hole 55a, it does not reach the movable contact 58, and the risk of malfunction due to the foreign matter is reduced.

Other configurations are basically the same as those of the first embodiment, and are not shown.

(Embodiment 5) In this embodiment, in order to further reduce the stress, as shown in FIG. 6, the distance between one end of the movable spring plate 58 and the standing position of the contact projection 57 is increased. On the way, the oblique side portion 56c may be bent and formed.
As a result, the length of the movable spring plate 56 can be increased, stress can be reduced, and the movable spring plate 56 can be further prevented from breaking or deforming.

Other configurations are basically the same as those of the fourth embodiment, and are not shown. (Embodiment 6) In Embodiment 5, the oblique side portion 56c is formed by bending the movable spring plate 56 to increase the spring length. The horizontal portion at one end of the movable spring plate 56 and the movable contact Since the height position of the horizontal portion forming 58 is shifted vertically, the movable contact 58 is in elastic contact with the contact surface of the fixed terminal 59 as shown in FIG. In the present embodiment, the movable spring plate 56 and the contact protrusion 57 are punched out and bent so that the plate surface of the horizontal piece of the contact protrusion 57 becomes a plane orthogonal to the axial direction of the coaxial post 5. I do.

FIGS. 8A and 8B are a top view and a side view of a movable spring plate 56 used in the present embodiment obtained by punching and bending. In this state, the piece on the free end side where the movable contact 58 is provided faces obliquely upward, and the movable spring plate 5
6 has a height position substantially the same as the height position of the plate surface on one end side. The contact protruding piece 5 parallel to the plate surface on the free end side
The plate surface of the horizontal piece 57a of 7 is also oblique.

When the movable spring plate 56 thus formed is incorporated into the base 61, the height position of the contact surface of the fixed terminal 59 is lower than the height position of the plate surface at one end of the movable spring plate 56. The movable contact 58 is connected to the contact surface 59 of the fixed contact plate 59.
In the state of elastic contact, the free end side portion is pressed by the fixed terminal 59, so that the contact protrusion 57
Are held so that the plate surface of the horizontal piece 57a becomes a plane orthogonal to the axial direction of the coaxial post 5 of the coaxial plug portion 4. Therefore, when the leading end of the coaxial plug portion 4 is fitted and connected to the fitting concave portion 54 of the external electrode body 6, even if the contact point shifts due to the eccentricity of the coaxial post 5, stable contact can be maintained, and high-frequency characteristics can be maintained. Becomes stable.

The plate surface portion of the horizontal piece 57a of the contact protruding piece 57 that comes into contact with the coaxial post 5 is a plate surface on the roll surface side of a processing machine used for punching the movable spring plate 56. In other words, stable contact can be achieved as compared with the case of contacting the cut surface, and high-frequency characteristics can be stabilized. This configuration may of course be adopted for the horizontal piece 57a of the contact protruding piece 57 in the third to fifth embodiments.

Further, the contact surface of the lateral piece 57a of the contact protruding piece 57 with which the tip of the coaxial post 5 comes into contact is mirror-finished to increase the surface roughness, thereby increasing the flatness of the contact surface and ensuring stable contact. If it can be obtained, more stable high-frequency characteristics can be obtained. This mirror-finished configuration is described in Embodiments 3 to 5.
Of course, it may be adopted as the horizontal piece 57a of the contact protruding piece 57.

(Embodiment 7) This embodiment is different from the configuration of Embodiment 6 in that, as shown in FIG.
7a is bent downward and extended to extend its tip 57b.
Is inserted into the base 61 through the hole 55a on the bottom surface of the fitting concave portion 55 of the external electrode body 60.

With such a configuration, the contact protrusion 57
Of the contact protruding piece 57 against external load (mischief). The configuration of the present embodiment is a configuration that can be applied to each of the above embodiments.

[0048]

According to the first aspect of the present invention, a dielectric having a coaxial post inserted at the center thereof is provided concentrically in a cylindrical outer conductor, and the distal end of the coaxial post protruding from the distal end of the dielectric is connected to the outer side. An external electrode body having a fitting concave portion on the front side with which the distal end portion of the coaxial plug portion located on the back side of the distal end surface of the conductor fits and contacts the external conductor; and an external electrode body disposed behind the external electrode body. A movable spring plate having one end fixed and the other end resilient in the direction of the external electrode body, and a movable spring plate disposed behind the external electrode body and having the other end side of the movable spring plate. A fixed terminal having a contact surface with which a movable contact provided on a surface in a spring biasing direction is resiliently contacted, and the fixed terminal is integrally erected on the movable spring plate, and a front end is opened at a bottom surface of a fitting recess of the external electrode body. Through the hole into the fitting recess of the external electrode body, and the distal end of the coaxial plug fits into the fitting recess. A contact projection that makes the tip of the coaxial post resiliently contact the tip when the end of the coaxial post resiliently contacts the tip of the coaxial post with the tip of the contact projection. Since the contact is separated from the contact surface of the fixed terminal, there is no need for a separate movable contact member that comes into contact with the coaxial post, which was necessary in addition to the member constituting the changeover switch unit, and the number of parts can be reduced. This has the effect of reducing the manufacturing cost.

According to a second aspect of the present invention, in the first aspect of the present invention, the standing position of the contact protruding piece is set to a position near the movable contact. Has the effect of reducing the stress applied to the movable spring plate at the time of mating connection, thereby preventing spring breakage and deformation.

According to a third aspect of the present invention, in the first aspect of the present invention, the movable contact is separated from a position of a hole provided in a bottom surface of a fitting concave portion of the external electrode body facing the tip of the contact projection.
In addition to the effects of the first aspect of the present invention, even if foreign matter (dust) enters through the hole, the foreign matter (dust) does not reach the movable contact side, and there is no danger of operation failure due to foreign matter intrusion.

According to a fourth aspect of the present invention, in the first or second aspect of the present invention, the contact protruding piece is provided with a spring property, so that in addition to the effect of the first or second aspect of the present invention, the stress can be dispersed. ,
There is an effect that stress applied to the movable spring plate at the time of fitting connection of the coaxial plug portion can be reduced, so that spring breakage and deformation can be prevented.

According to a fifth aspect of the present invention, in any one of the first to fourth aspects of the present invention, a bent portion for extending a spring length is provided at an intermediate portion from one end of the movable spring plate to a standing position of the contact protrusion. Is provided, in addition to the effects of the first or second aspect of the present invention, the stress applied to the movable spring plate at the time of fitting and connecting the coaxial plug portion can be reduced, and as a result, spring breakage and deformation can be prevented.

According to a sixth aspect of the present invention, in any one of the first to fifth aspects of the present invention, the tip of the contact protruding piece with which the tip of the coaxial post comes into contact is formed in a planar shape substantially orthogonal to the axial direction of the coaxial post. Since it is formed, in addition to the effect of any one of the first to fifth aspects of the present invention, a stable contact can be maintained even if the contact point is shifted due to the eccentricity of the coaxial post. As a result, the effect that the high frequency characteristics are stabilized is obtained. is there.

According to a seventh aspect of the present invention, in the sixth aspect of the present invention, the surface of the tip portion of the contact protruding piece is mirror-finished. The flatness can be further increased, so that more stable contact is possible, and there is an effect that the high frequency characteristics can be further stabilized.

According to an eighth aspect of the present invention, in any one of the first to seventh aspects of the present invention, the tip of the tip of the contact protruding piece is connected to the external electrode body through a hole of the fitting recess of the external electrode body. Since the contact protruding portion is bent so as to be inserted in the back, the rigidity of the contact protruding piece can be increased, and the effect of preventing deformation against an external load (mischief) can be achieved in addition to the effect of any one of the first to seventh aspects.

According to a ninth aspect of the present invention, in any one of the first to eighth aspects of the present invention, the movable spring plate is formed by stamping a single metal plate. The swelling is formed on the plate surface of the plate, and the contact protruding piece is integrally erected by cutting and raising.
In addition to the effects of the present invention, the cost of parts can be reduced and the cost can be further reduced.

According to a tenth aspect of the present invention, in the ninth aspect of the present invention, the contact surface at the leading end of the contact protruding piece contacting the tip of the coaxial post is formed by a roll surface at the time of punching.
In addition to the effect of the ninth aspect of the invention, there is an effect that the contact property is superior to the cut surface and the high frequency characteristics are further stabilized.

[Brief description of the drawings]

FIG. 1A is a cross-sectional view of Embodiment 1 of the present invention.
(B) is a partially omitted cross-sectional view showing a fitting connection state with the coaxial plug part of the above.

FIG. 2 is a top view of a movable spring plate used in the above.

FIG. 3 is a side view of a movable spring plate used in Embodiment 2 of the present invention.

FIG. 4 is a side view of a movable spring plate used in Embodiment 3 of the present invention.

FIG. 5 is a side view of a movable spring plate used in Embodiment 4 of the present invention.

FIG. 6 is a side view of a movable spring plate used in Embodiment 5 of the present invention.

FIG. 7 is a partially omitted sectional view showing a non-fitting connection state of a coaxial plug portion according to a sixth embodiment of the present invention.

FIG. 8A is a top view of a movable spring plate used in the above. (B) is a side view of the movable spring plate used in the above.

FIG. 9 is a sectional view of Embodiment 7 of the present invention.

FIG. 10 is an explanatory diagram of a usage example of a coaxial connector plug and a receptacle.

FIG. 11 is a cross-sectional view showing a state of fitting and connection with a conventional receptacle.

[Explanation of symbols]

 2 Coaxial connector plug 3 Receptacle 4 Coaxial plug part 5 Coaxial post 54 Hole part 55 Fitting recess 55a Hole 56 Movable spring plate 57 Contact protruding piece 58 Movable contact 59 Fixed terminal 60 External electrode body 61 Base

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kenji Okura 1048 Ojimon Kadoma, Kadoma City, Osaka Prefecture Inside Matsushita Electric Works Co., Ltd. 72) Inventor Ken Hashimoto 1048 Kazuma Kadoma, Osaka Pref.Matsushita Electric Works, Ltd. (72) Inventor Jusutoshi Hoshino 1048 Kadoma Kazuma, Kadoma, Osaka Pref. Matsushita Electric Works, Ltd. Matsushita Electric Works Co., Ltd., 1048, Kadoma, Kadoma, Fushima-shi (72) Inventor Shinya Sasaki Shinya, 1048 Kadoma, Kadoma, Kadoma, Osaka

Claims (10)

[Claims] 1. A dielectric material having a coaxial post inserted at the center thereof is provided concentrically in a cylindrical outer conductor, and a distal end of the coaxial post protruding from a distal end of the dielectric material is located farther from a distal end surface of the outer conductor. An external electrode body provided with a fitting concave portion on the front surface side with which the distal end portion of the coaxial plug portion is fitted to contact the external conductor, and one end side is fixed behind the external electrode body. A movable spring plate having the other end side resilient in the direction of the external electrode body; and a movable spring plate disposed behind the external electrode body and having a surface in the spring biasing direction on the other end side of the movable spring plate. A fixed terminal provided with a contact surface with which a movable contact is elastically contacted; and a fixed terminal provided integrally with the movable spring plate and having a front end opened through a bottom surface of a fitting recess of the external electrode body. It faces the inside of the fitting recess and is coaxial when the tip of the coaxial plug portion is fitted into the fitting recess. A contact protruding end of the strike resiliently contacting the front end, wherein the movable spring plate flexes when the front end of the coaxial post resiliently contacts the front end of the contact protruding portion to connect the movable contact to the fixed terminal. A receptacle for a coaxial connector, wherein the receptacle is separated from a contact surface of the connector. 2. The receptacle for a coaxial connector according to claim 1, wherein an upright position of said contact protruding piece is a position near said movable contact. 3. The receptacle for a coaxial connector according to claim 1, wherein a tip portion of said contact projection has a spring property. 4. The movable contact is provided at a position separated from a position of the hole provided on a bottom surface of the fitting recess of the external electrode body facing a tip of the contact protruding piece. A receptacle for a coaxial connector characterized by the above description. 5. The movable spring plate according to claim 1, further comprising a bent portion extending from one end of the movable spring plate to an upright position of the contact protruding portion to increase a spring length. The receptacle for a coaxial connector described in the above. 6. The coaxial post according to claim 1, wherein the tip of said contact protruding piece with which the tip of said coaxial post comes into contact is formed in a plane substantially orthogonal to the axial direction of said coaxial post. The receptacle for a coaxial connector described in the above. 7. The receptacle for a coaxial connector according to claim 6, wherein a surface of a tip portion of said contact protrusion is mirror-finished. 8. A structure in which a tip of a tip of said contact protruding piece is bent so as to be inserted into the back of said external electrode body through a hole of a fitting concave portion of said external electrode body. 8. The receptacle for a coaxial connector according to any one of 1 to 7. 9. The movable spring plate is formed by stamping a single metal plate. The movable contact is formed so as to bulge on the plate surface of the movable spring plate, and the contact projection is cut off. 9. The receptacle for a coaxial connector according to claim 1, wherein the receptacle is integrally erected by raising. 10. The receptacle for a coaxial connector according to claim 9, wherein the contact surface at the tip of the contact protruding piece that contacts the tip of the coaxial post is formed by a roll surface at the time of punching.