WO2010114068A1

WO2010114068A1 - Coaxial cable connector

Info

Publication number: WO2010114068A1
Application number: PCT/JP2010/055945
Authority: WO
Inventors: 順植村; 穂積武田; 彰早川; 重光鳥山; 佳法脇田
Original assignee: マスプロ電工株式会社
Priority date: 2009-03-31
Filing date: 2010-03-31
Publication date: 2010-10-07
Also published as: JP5566095B2; JP2010257936A

Abstract

A coaxial cable connector is provided with a connector body that is composed of cylindrically-formed conductive metal, and a cylindrical intermeshing section composed of conductive metal. The intermeshing section is configured so that the opening-end side, which is the opposite side of the connector body, is formed to be taper-shaped, wherein the diameter widens towards the outer direction; and the opening-end side is enabled to have its diameter shortened, by having the tapered section divided into multiple portions, by multiple slots, which are formed starting from the opening-end side and formed along the center axis of the intermeshing section. Provided around the intermeshing section is a slide ring that is composed of cylindrically-formed conductive metal, and which is bi-directionally movable along the center axis of the intermeshing section, from the connector body side to the opening-end side that has the slits formed, or in the opposite direction.

Description

Coaxial cable connector

The present invention relates to a coaxial cable connector that is attached to an end of a coaxial cable and connects the coaxial cable to a coaxial plug such as a television terminal.

Conventionally, television terminals installed on the walls of buildings and antenna terminals provided on various receivers have F-type plugs that are coaxial and project on the outer conductor side and are threaded on the outer peripheral surface. in use.

And as a coaxial cable connector for connecting a coaxial cable to this kind of F-type plug, a cylindrical shape inserted between an insulating member around the core wire of the coaxial cable and an outer conductor around the insulating member Provided on the side opposite the coaxial cable side of the insertion portion, the flange portion that contacts the outer conductor or a covering member around the outer conductor when the insertion portion is inserted into the coaxial cable, and positions the coaxial cable And a fitting portion that can be fitted (externally fitted) to the outer conductor of the F-type connector.

In addition, the coaxial cable connector has a fitting portion rotatably fixed to the insertion portion, and can be screwed onto the inner peripheral surface of the fitting portion with a thread formed around the outer conductor of the F-type plug. There are two types: a thread formed on the inner peripheral surface of the fitting part and a threaded part not inserted on the inner peripheral surface of the fitting part, and the outer conductor of the F-type plug inserted into the fitting part. Are known.

Of these, the former can use the thread formed on the outer conductor side of the F-type plug to fix the coaxial cable firmly to the F-type plug. Since it is necessary to rotate a fitting part at the time of mounting | wearing, it could not be used.

In other words, since the F-type plug used as a TV terminal or antenna terminal protrudes from the outer conductor side, the F-type plug at the installation location (that is, the wall of the building or the housing of the receiving device). A recess may be formed so as not to protrude outward. However, in this case, if the space around the F-type plug is small, the fitting portion cannot be rotated when the coaxial cable connector is mounted, and thus the former coaxial cable connector cannot be used.

On the other hand, the coaxial cable connector in which the outer conductor of the F-type plug is inserted into the fitting portion without forming a screw thread on the inner peripheral surface of the fitting portion, so there is no need to rotate the fitting portion. The structure becomes simple, and even if the F-type plug is provided in the recess, it can be easily attached to the F-type plug.

However, when this type of coaxial cable connector is attached to the F-type plug, only the outer conductor of the F-type plug is inserted into the fitting portion. It becomes easy to come off by (pull) or the like. For this reason, for example, when it is used for the connection between the TV terminal and the recording device, a problem such that the connection has been disconnected at the time of scheduled recording and the recording could not be performed easily occurs, and such a problem may occur. It has been desired to improve reliability so that there is no problem.

In order to meet this demand, conventionally, a slit is formed on the opening end side of the fitting portion so that the diameter on the opening end side of the fitting portion can be enlarged / reduced. It has been proposed to provide a ring spring around the end side and a slide collar that moves the ring spring in the axial direction of the fitting portion (see, for example, Patent Document 1).

In addition, according to the proposed coaxial cable connector, the diameter of the opening end side of the fitting portion can be enlarged / reduced, so that the coaxial cable connector is attached to the F-type plug with the opening portion of the fitting portion widened. Then, by reducing the diameter of the opening end of the fitting portion, the coaxial cable connector (and thus the coaxial cable) can be firmly fixed to the F-type plug.

JP 2001-297838 A

However, the proposed coaxial cable connector has a problem in that the configuration is complicated because a ring spring and a slide collar are used to enlarge / reduce the diameter of the opening end of the fitting portion.

Moreover, since the slide collar is merely for moving the ring spring, the slit formed on the opening end side of the fitting portion cannot be electrically shielded, and noise enters through the slit. There was a thing.

The present invention has been made in view of these problems. The coaxial cable can be firmly fixed to an F-type plug such as a television terminal or an antenna terminal, and the structure is simple and noise can be reliably prevented. An object of the present invention is to provide a coaxial cable connector that can be used.

A first aspect of the present invention made to achieve the above object is a coaxial cable connector, which is composed of a conductive metal formed in a cylindrical shape, and one open end side can be connected to an outer conductor of the coaxial cable. A connector main body through which the core wire of the coaxial cable or a rod-shaped terminal connected to the core wire can be inserted into the internal space, and a conductive metal, and the connector main body is opposite to the coaxial cable. A cylindrical fitting portion that is provided at the opening end and can be fitted with a coaxial plug to be connected;
The fitting part is formed in a tapered shape whose opening end side opposite to the connector body has a diameter increasing outwardly, and the taper part extends from the opening end side to the central axis of the fitting part. Is divided into a plurality of slits formed along a plurality of slits, so that the opening end side can be reduced in diameter.
The periphery of the fitting portion is made of a conductive metal formed in a cylindrical shape, and the center axis of the fitting portion from the connector body side to the opening end side where the slit is formed or in the opposite direction. Is provided with a slide ring that is movable in both directions.

Further, the second aspect of the present invention is the coaxial cable connector according to the first aspect, wherein the opening end side inner peripheral surface of the fitting portion is related to a thread formed on the outer peripheral surface of the coaxial plug. It is characterized in that a projecting ridge is formed.

Next, a third aspect of the present invention is the coaxial cable connector according to the first aspect or the second aspect, wherein the slide ring is provided on at least one of an inner peripheral surface of the slide ring and an outer peripheral surface of the fitting portion. The slide ring is engaged with the engagement portion on the fitting portion side or the slide ring side at a specific position moved to the opening end side of the fitting portion to reduce the diameter of the fitting portion. An engaging projection for positioning is formed.

Further, a fourth aspect of the present invention is the coaxial cable connector according to the third aspect, wherein the engaging portion formed on the outer peripheral surface of the fitting portion has the slide ring on the opening end side of the fitting portion. Formed in the vicinity of the opening end of the fitting portion so that when it is moved and engaged with the engaging portion of the slide ring, the opening end of the fitting portion expands and contracts and hits the inner peripheral surface of the slide ring to generate sound It is characterized by being.

Next, a fifth aspect of the present invention is the coaxial cable connector according to any one of the first to fourth aspects, wherein a resin ring cover is provided around the slide ring. It is characterized by.

Further, a sixth aspect of the present invention is the coaxial cable connector according to the fifth aspect, wherein the slide ring includes the fitting portion that is directed from the opening end opposite to the connector body toward the connector body. A plurality of slits are formed so as to be shorter than the slits and not overlap with the slits of the fitting portion, and the ring cover is provided at the end of the slide ring on the connector main body side. It is characterized by.

Further, a seventh aspect of the present invention is the coaxial cable connector according to any one of the first to sixth aspects, wherein a rod-like terminal to which a core wire of the coaxial cable is crimped is provided in the internal space of the connector body. An insulative member is provided for holding in a state of protruding into the fitting portion,
On the outer peripheral surface of the insulating member in contact with the inner peripheral surface of the connector main body, a space is formed between the inner peripheral surface of the connector main body at a position corresponding to the crimped portion between the core wire and the rod-shaped terminal of the coaxial cable. A recess to be formed is formed.

Further, an eighth aspect of the present invention is the coaxial cable connector according to any one of the first to seventh aspects, wherein when the coaxial plug is inserted into the fitting portion, A leaf spring is provided between the inner peripheral surface of the fitting portion and the outer peripheral surface of the coaxial plug, and biases the outer peripheral surface of the coaxial plug.

In the coaxial cable connector according to the first aspect, the opening end side opposite to the connector main body of the fitting portion is formed in a tapered shape whose diameter increases outward, and the tapered portion extends from the opening end side. Divided into a plurality of slits by a plurality of slits formed along the central axis of the fitting portion.

And the periphery of the fitting portion is made of a conductive metal formed in a cylindrical shape, from the connector main body side to the opening end side where the slit is formed, or in the opposite direction, to the central axis of the fitting portion. A slide ring is provided that can move in both directions along.

For this reason, according to the coaxial cable connector of the present invention, if the slide ring is moved from the connector main body side to the opening end side where the slit is formed, the opening end side of the fitting portion formed in a tapered shape is formed. If the diameter is reduced and conversely moved from the opening end side to the connector main body side, the opening end side of the fitting portion expands in a taper shape, and the diameter increases.

Therefore, the configuration is simpler and can be realized at a lower cost than the conventional one in which the ring spring and the slide collar are provided in order to enlarge / reduce the diameter on the opening end side of the fitting portion.
In addition, since the slide ring is made of a conductive metal formed in a cylindrical shape, when the coaxial cable connector is attached to the coaxial connector and the slide ring is moved to the opening end side of the fitting portion, Not only can the diameter of the opening end of the fitting part be reduced and fixed to a coaxial plug (such as the F-type plug mentioned above), but the slit formed on the opening end side of the fitting part should be surrounded by a slide ring. , Noise can be prevented from entering through the slit.

Next, according to the coaxial cable connector of the second aspect, the protrusion that can be engaged with the thread formed on the outer peripheral surface of the coaxial plug is formed on the inner peripheral surface of the fitting end on the opening end side. Therefore, when the coaxial cable connector is attached to the coaxial connector and the slide ring is moved to the opening end side of the fitting portion, not only the opening end of the fitting portion is reduced in diameter but also the opening A protrusion formed on the inner peripheral surface of the end engages with a thread formed on the coaxial plug.

For this reason, according to the coaxial cable connector of the second aspect, when the coaxial cable connector is attached to the coaxial plug, the fitting portion is prevented from being detached from the coaxial plug, and the coaxial cable is more connected to the coaxial plug. It can be firmly fixed.

The protrusion may be formed in an annular shape around the central axis of the fitting portion, but more preferably formed in a spiral shape corresponding to the shape of the thread formed on the outer peripheral surface of the coaxial plug. Good.
And if it does in this way, since a protrusion can be engaged with a screw thread in the substantially whole region, it can prevent more reliably that a coaxial cable connector remove | deviates from a coaxial plug.

Next, according to the coaxial cable connector of the third aspect, the slide ring is moved to the opening end side of the fitting portion on at least one of the inner peripheral surface of the slide ring and the outer peripheral surface of the fitting portion. Engagement protrusions for positioning the slide ring are formed by engaging with the engagement portion on the fitting portion side or the slide ring side at the reduced position.

Therefore, when the coaxial cable connector is attached to the coaxial connector, the slide ring is moved to the opening end side of the fitting portion, and the coaxial cable is fixed to the coaxial connector, the slide ring is positioned by the engaging protrusion. The slide ring can be prevented from moving toward the connector body.

Also, when the coaxial cable connector is attached to the coaxial connector and the slide ring is moved to the opening end side of the fitting portion, noise and vibration are generated when the engagement protrusion engages with the engagement portion. The operator of the ring can detect that the slide ring has been moved to a predetermined fixed position, and the usability can be improved.

In addition, in order to make it possible to confirm the engagement state of the engagement portion with sound in this way, as in the fourth aspect, the slide ring is moved to the opening end side of the engagement portion, and the engagement protrusion is engaged. When engaging with the part, the opening end of the fitting part opens by an amount corresponding to the protruding amount of the engaging projection (in other words, expands and contracts), and the fitting part comes into contact with the inner peripheral surface of the slide ring, It is desirable to form the engaging portion in the vicinity of the opening end where the coaxial plug is inserted so as to generate sound.

Next, according to the coaxial cable connector of the fifth aspect, since the resin ring cover is provided around the slide ring, when the user manually moves the slide ring, the ring cover is It becomes slippery and can improve usability when operating the slide ring.

In addition, when the user operates the slide ring, the ring cover electrically insulates the slide ring from the user, so that an electrical signal flows through the outer conductor of the coaxial cable. However, it is possible to prevent the signal from being transmitted to the user and improve safety.

On the other hand, in the coaxial cable connector of the sixth aspect, the slide ring is shorter than the slit of the fitting portion from the opening end opposite to the connector main body toward the connector main body side, A plurality of slits are formed so as not to overlap.

For this reason, according to the coaxial cable connector of the sixth aspect, when the user moves the slide ring to the opening end side of the fitting portion, the opening of the slide ring is widened and can be moved smoothly. Therefore, the operability can be improved.

Also, the slit of the slide ring is shorter than the slit of the fitting part, and does not overlap with the slit of the fitting part, so the opening end of the fitting part divided by the slit is urged from the outside, The diameter of the opening end of the fitting portion can be reduced, and the function of the slide ring described above is not impaired.

Further, in the coaxial cable connector of the sixth aspect, the ring cover used when the user manually moves the slide ring is formed at the end of the slide ring on the connector body side, and thus is formed on the slide ring. It is possible to prevent the slit from being blocked and impairing its function.

Further, in the coaxial cable connector of the seventh aspect, an insulating member is provided in the internal space of the connector body, and the rod-shaped terminal, to which the core wire of the coaxial cable is crimped, is fitted in the fitting portion by the insulating member. It is made to hold | maintain in the state made to protrude.

For this reason, according to the coaxial cable connector of the seventh aspect, when the coaxial cable connector is attached to the coaxial plug, the core wire of the coaxial cable and the central conductor of the coaxial plug to be connected can be connected via the rod-shaped terminal. Compared with the case where the coaxial cable core wire is directly connected to the central conductor of the coaxial plug by projecting the coaxial cable core wire into the fitting section, the reliability when connecting to the coaxial plug is more reliable. Can be improved.

According to the coaxial cable connector of the seventh aspect, on the outer peripheral surface of the insulating member in contact with the inner peripheral surface of the connector main body, a position corresponding to the crimping portion between the core wire of the coaxial cable and the rod-shaped terminal is Since a recess that forms a space between the inner peripheral surface and the inner peripheral surface is formed, by appropriately setting the size of the recess, mismatching of transmission impedance that occurs at the crimped portion between the core wire of the coaxial cable and the rod-shaped terminal It is possible to prevent the transmission characteristics of the transmission path formed via the coaxial cable connector from deteriorating.

Next, according to the coaxial cable connector of the eighth aspect, when a coaxial plug such as an F-type plug is inserted into the fitting portion, the outer peripheral surface of the coaxial plug is biased. Since the leaf spring is provided, the outer conductor of the coaxial plug and the fitting portion can be brought into surface contact to ensure shielding properties.

It is a side view showing the appearance of the coaxial cable connector of an embodiment. FIG. 2A is a cross-sectional view of the coaxial cable connector showing a state where the opening end side of the fitting portion of the coaxial cable connector is expanded, and FIG. 2B shows a state where the diameter of the opening end side of the fitting portion is reduced. It is sectional drawing. FIG. 3A is an exploded perspective view of the coaxial cable connector, and FIG. 3B is a partially broken perspective view showing a state in which components of the coaxial cable connector are cut along a plane along the central axis. It is sectional drawing showing the structure of the coaxial cable connector which provided the leaf | plate spring in the fitting part. It is sectional drawing showing the structure of the coaxial cable connector which provided the ring cover around the slide ring. 6A is a side view showing the appearance of a coaxial cable connector having a rod-like terminal crimped to the core wire of the coaxial cable and having a slit formed in the slide ring, and FIG. 6B is a cross-sectional view showing the internal configuration of the coaxial connector. It is. It is explanatory drawing showing the structure of the coaxial cable connector formed in the L shape.

2 ... F-type plug (coaxial plug), 4 ... coaxial cable, 5 ... core wire, 6 ... insulating member, 7 ... external conductor, 7a ... connecting member, 8 ... cover member, 10 ... connector body, 12 ... insertion portion , 13 ... cable connection part, 14 ... collar part, 16 ... fixing part, 18 ... step part, 20 ... plug connection part, 22 ... fitting part, 24 ... insertion hole, 26 ... wall part, 28 ... fixing part, 30 ... slit, 32, 36 ... protrusion, 38 ... notch, 40 ... slide ring, 41 ... slit, 42 ... protrusion, 43 ... wall, 44, 48 ... protrusion, 50 ... leaf spring, 60 ... ring cover , 65 ... insulating member, 67 ... recess, 70 ... rod-shaped terminal, 72 ... crimping part, 76 ... bush, 78 ... overmold.

Embodiments of the present invention will be described below with reference to the drawings.
As shown in FIGS. 1, 2A-2B, and 3A-3B, the coaxial cable connector of this embodiment is for connecting a coaxial cable 4 to an F-type plug 2 that constitutes a TV terminal, an antenna terminal, or the like. (Refer FIG. 2A), The connector main body 10 for connecting the coaxial cable 4, and the plug connection part 20 for connecting the F-type plug 2 are provided.

Among these, the connector main body 10 includes a cylindrical insertion portion 12 that can be inserted between the insulating member 6 around the core wire 5 of the coaxial cable 4 and the outer conductor 7 around the insulating member 6. Then, when the insertion portion 12 is inserted into the coaxial cable 4, the outer conductor 7 of the coaxial cable 4 or the covering member 8 around the outer conductor 7 is brought into contact with the rear end side of the insertion portion 12. A flange portion 14 for positioning 12 (and thus the connector main body 10) at the tip of the coaxial cable 4 is formed. In addition, a cylindrical fixing portion 16 for fixing the plug connection portion 20 is formed on the opposite side of the flange portion 14 from the insertion portion 12.

In addition, the insertion part 12, the collar part 14, and the fixing | fixed part 16 which comprise the connector main body 10 are integrally formed with the electroconductive metal (for example, C3604B). In addition, the inner diameter of the fixing portion 16 is larger than the inner diameter of the insertion portion 12. This is because the insulating member 6 of the coaxial cable 4 inserted into the insertion portion 12 can be inserted into the plug connection portion 20 side.

On the other hand, the plug connection portion 20 includes a cylindrical fitting portion 22 into which the F-type plug 2 can be inserted, and on the side opposite to the opening end of the fitting portion 22 on the F-type plug 2 side. A wall portion 26 having an insertion hole 24 through which the insulating member 6 of the coaxial cable 4 can be inserted is provided, and the fixing portion 16 of the connector body 10 is provided on the opposite side of the wall portion 26 from the fitting portion 22. A cylindrical fixing portion 28 to be fitted and fixed is projected. In addition, the fitting part 22, the wall part 26, and the fixing | fixed part 28 which comprise the plug connection part 20 are integrally formed with the electroconductive metal (for example, C3604B) similarly to the connector main body 10. FIG. Moreover, the fixing | fixed part 28 and the fixing | fixed part 16 adhere by press fit.

Therefore, in the coaxial cable connector of the present embodiment, as shown in FIG. 2A, the insulating member 6 extends from the tips of the covering member 8 and the outer conductor 7 by the length in the central axis direction of the fixed portion 16 and the wall portion 26. The end of the coaxial cable 4 is processed so as to protrude from the tip of the insulating member 6 by the length of the fitting portion 22, and the insertion portion 12 is connected to the outer conductor 7 of the coaxial cable and the insulating member 6. If it inserts in between, the terminal structure which surrounded the core wire 5 of the coaxial cable 4 with the fitting part 22 can be made.

In this state, if the fitting portion 22 is attached to the F-type plug 2 constituting a TV terminal or the like, the core wire 5 of the coaxial cable 4 is connected to the central conductor of the F-type plug 2 and is coaxial. The outer conductor 7 of the cable 4 is connected to the outer conductor of the F-type plug 2 via the fitting portion 22.

However, the coaxial cable connector is easily detached from the F-type plug 2 only by attaching the fitting portion 22 to the F-type plug 2.
Therefore, in this embodiment, the opening end side of the fitting portion 22 is formed in a tapered shape that spreads outward, and the fitting portion 22 (and thus the coaxial cable connector) is formed on the tapered portion. By forming a plurality of slits 30 along the central axis, the opening end side of the fitting portion 22 is radially divided into a plurality from the central axis.

That is, when the opening end side of the fitting portion 22 is urged from the periphery by dividing the opening end side of the fitting portion 22 into a plurality of portions through the slits in this way, the opening end of the fitting portion 22 is opened. The side diameter is reduced so that the fitting portion 22 can be firmly fixed to the outer conductor of the F-type plug 2.

Then, the inner wall on the opening end side of the fitting portion 22 has a circumferential direction so as to engage with a thread formed around the outer conductor of the F-type plug 2 when the opening end is reduced in diameter. The formed protrusion 32 is provided.

Further, a slide ring 40 formed in a cylindrical shape with a conductive metal (for example, C3604B) is provided around the fitting portion 22. The slide ring 40 is connected in the axial direction so as to surround the region from the region where the slit 30 of the fitting portion 22 is not formed to the flange portion 14 in a state where the connector main body 10 and the plug connection portion 20 are connected. The length is set, and the inner diameter is substantially the same as or slightly larger than the outer diameter of a region where the slit 30 of the fitting portion 22 is not formed (region not formed in a tapered shape).

In addition, a pair of protrusions 42 formed in the central axis direction from the collar part side are provided on the inner wall of the slide ring 40, and these protrusions 42 are engaged with the rear end side of the fitting part 22. Thus, a notch 38 is formed to guide the slide ring 40 so as to be movable toward the opening end side.

A pair of

protrusions

36 and 44 are provided along the circumferential direction of the opening end side outer wall of the fitting portion 22 and the opening end side inner wall of the slide ring 40. When the slide ring 40 is moved to the opening end side of the fitting portion 22, the

protrusions

36 and 44 are brought into contact with each other before the slide ring 40 reaches the most distal end of the fitting portion 22. When the rod is further moved to the most distal side, the protrusion 44 gets over the protrusion 36 of the fitting portion 22, and the slide ring 40 is prevented from moving in the reverse direction.

Further, the inner wall on the rear end side of the slide ring 40 is brought into contact with the rear end of the fitting portion 22 at a position where the tip of the slide ring 40 reaches the opening end of the fitting portion 22. A protrusion (protrusion) 46 that prevents movement toward the distal end side is provided.

According to the coaxial cable connector of the present embodiment configured as described above, when the slide ring 40 is moved to the opening end side of the fitting portion 22, the outer peripheral surface on the opening end side of the fitting portion 22 is moved by the slide ring 40. Hits the inner peripheral surface of the slide ring 40, the portion of the fitting portion 22 divided by the slit 30 is displaced toward the central axis, and the diameter of the fitting portion 22 on the opening end side is reduced.

Then, when the slide ring 40 is moved to the most advanced position where the protrusion 44 of the slide ring 40 gets over the protrusion 36 of the fitting portion 22, the slide ring 40 is positioned by the engagement of the

protrusions

44 and 36. Thus, the slide ring 40 is prevented from moving to the flange portion 14 side and the opening end side diameter of the fitting portion 22 is increased.

As described above, according to the coaxial cable connector of the present embodiment, the diameter on the opening end side of the fitting portion 22 can be enlarged / reduced only by the slide ring 40. The configuration is simple and can be realized at low cost.

Further, since the slide ring 40 is formed of a conductive metal in a cylindrical shape, the coaxial cable connector is attached to the F-type plug 2 and the slide ring 40 is moved to the opening end side of the fitting portion 22. In this case, not only can the opening end side of the fitting portion 22 be reduced in diameter to be firmly fixed to the F-type plug 2, but the slit 30 formed on the opening end side of the fitting portion 22 can be moved by the slide ring 40. It is possible to prevent noise from entering through the enclosure and the slit 30.

In the coaxial cable connector of the present embodiment, the opening end side outer wall of the fitting portion 22 is used to position the slide ring 40 when the slide ring 40 moves to the tip end position on the opening end side of the fitting portion 22. On the opening end side inner wall of the slide ring 40,

protrusions

36 and 44 that can be engaged with each other are provided.

Therefore, according to the coaxial cable connector of the present embodiment, the coaxial cable connector is attached to the F-type plug, and the slide ring 40 is moved to the opening end side of the fitting portion, whereby the coaxial cable 4 is F-type. When fixed to the plug 2, the slide ring 40 can be positioned at a fixed position to the F-type plug 2 by engaging the pair of

protrusions

36 and 44.

Further, when the

protrusions

36 and 44 are engaged with each other in this manner, the protrusion 44 on the slide ring 40 side gets over the protrusion 36 on the fitting part 22 side, so that the open end of the fitting part 22 is obtained. Spreads outward and the ridge 36 abuts against the inner wall of the slide ring 40, so that sound and vibration are generated. For this reason, the operator of the slide ring 40 can detect that the slide ring 40 has been moved to the most advanced position by sound or vibration, and the usability can be improved.

As mentioned above, although one Embodiment of this invention was described, this invention is not limited to the said embodiment, A various aspect can be taken in the range which does not deviate from the summary of this invention.
[Modification 1]
For example, as shown in FIG. 4A, in the fitting portion 22, a coaxial plug such as an F-type plug 2 is inserted into the fitting portion 22 in the cylindrical portion on the rear end side where the slit 30 is not formed. When this is done, a leaf spring 50 that urges the outer peripheral surface of the coaxial connector may be provided.

In this way, the leaf spring 50 allows the outer conductor of the coaxial plug and the fitting portion 22 to be in surface contact with each other to ensure a shielding property, and the urging force of the leaf spring 50 allows the fitting. The portion 22 can be firmly fixed by the coaxial connector.

In this case, for example, as shown in FIG. 4B, in the leaf spring 50, a number of substantially parallel slits are formed in a metal plate as a spring material, and every other plate portion between the slits is formed. It is good to use what was press-molded so that it may protrude in a direction, and was made into the cylinder shape by winding a metal plate in the arrangement direction of a slit so that the protrusion direction might become inside.
[Modification 2]
Further, for example, as shown in FIG. 5, a ring cover 60 made of a synthetic resin (for example, soft PVC) is provided on the outer peripheral surface of the slide ring 40 on the rear end side. Thus, the slide ring 40 may be operated.

In this way, when the slide ring 40 is moved, the user does not need to touch the slide ring 40 directly, so even if an electric signal flows through the outer conductor of the coaxial cable, the signal is used. Can be transmitted to the person, and safety can be improved.

When the ring cover 60 is provided in this way, as shown in FIG. 5, a protrusion (in the drawing, formed in the circumferential direction) for positioning and fixing the ring cover 60 on the outer peripheral surface on the rear end side of the slide ring 40. 48).

Further, the axial length of the ring cover 60 is determined by, for example, attaching the fitting portion 22 to a television terminal (F-type plug 2) provided in a concave portion of a wall surface of a building as shown in FIG. When the slide ring 40 is moved to the opening end side of the fitting portion 22, the ring cover 60 may be appropriately set according to the place where the coaxial cable connector is used so that it does not hit the wall surface of the building. .
[Modification 3]
Next, in the above embodiment, the slide ring 40 has been described as being simply formed in a cylindrical shape, but the coaxial cable 4 is connected to the slide ring 40 as in the coaxial cable connector shown in FIGS. 6A and 6B. From the opening end opposite to the connector body 10 to the connector body 10 side, the length in the central axis direction is shorter than the slit 30 of the fitting portion 22 and overlaps the slit 30 of the fitting portion 22. A plurality of slits may be formed so that there is no such a problem.

And if it does in this way, when a user moves the slide ring 40 to the opening end side of the fitting part 22, the opening of the slide ring 40 will spread a little and the slide ring 40 can be moved smoothly. As a result, operability can be improved.

Moreover, since the slit 41 of the slide ring 40 is shorter than the slit 30 of the fitting part 22 and does not overlap with the slit 30, it fits like the slide ring 40 of the above embodiment in which the slit 41 is not provided. Each projecting piece divided by the slit 30 in the joint portion 22 can be urged from the outside to reduce the diameter of the opening end of the fitting portion 22 and close the slit 30 formed in the fitting portion 22. The inside can be shielded.

Further, in the coaxial cable connector according to the third modification, the ring cover 60 is provided on the slide ring 40, but this ring cover does not block the slit 41, and the coaxial cable 4 side of the slide ring 40. That is, it is provided at the end of the connector main body 10 side.

Further, the coaxial cable connector described in the embodiment and the first and second modifications has a structure in which the core wire 5 of the coaxial cable 4 is directly projected into the fitting portion 22 (see FIGS. 1 to 5). In the coaxial cable connector of Modification 3 shown in FIG. 6, the axial length of the connector body 10 formed in a cylindrical shape with a metal material is made longer than that shown in FIGS. The insulating member 65 is provided in the inner space, and the rod-shaped terminal 70 to which the core wire 5 of the coaxial cable 4 is crimped is held via the insulating member 65, so that the tip of the rod-shaped terminal 70 is a so-called center conductor. As shown in FIG.

For this reason, according to the coaxial cable connector of Modification 3 shown in FIGS. 6A and 6B, when attached to the coaxial plug, the core wire 5 of the coaxial cable 4 and the central conductor of the coaxial plug to be connected are connected. It becomes possible to connect via the rod-shaped terminal 70, and the core wire 5 of the coaxial cable 4 is prevented from being deformed in the fitting portion 22, and the reliability at the time of connection to the coaxial connector is improved. Can do.

In addition, in the rod-shaped terminal 70, at the rear end portion on the opposite side to the fitting portion 22, the core wire 5 of the coaxial cable 4 can be inserted and crimped to the intermediate portion or the tip portion in the axial direction of the rod-shaped terminal 70. A crimping portion 72 having a larger diameter and having a hole for inserting a core wire formed from the rear end side is formed.

A recess that forms a space with the inner peripheral surface of the connector main body 10 at a position corresponding to the crimping portion 72 of the rod-like terminal 70 on the outer peripheral surface of the insulating member 65 in contact with the inner peripheral surface of the connector main body 10. 67 is formed.

This recess 67 eliminates the mismatch of transmission impedance that occurs at the crimped portion between the core wire 5 of the coaxial cable 4 and the rod-shaped terminal 70, and deteriorates the transmission characteristics of the transmission path formed through the coaxial cable connector. It is for preventing.

6A and 6B, in the coaxial cable connector of the third modification, the outer conductor of the coaxial cable 4 is connected to an annular connection member 7a that is externally fitted to the distal end portion of the coaxial cable 4, and the connection member 7a. Is connected to the connector main body 10 by being fitted inside the cable connection portion 13 formed at the end opposite to the fitting portion 22 of the connector main body 10.

The connecting portion between the cable connecting portion 13 and the coaxial cable 4 is provided with a synthetic resin bush 76 that protects the connecting portion, and the connecting portion between the bush 76 and the connector body 10 is a synthetic portion. It is protected by an overmold 78 formed by resin injection molding.

That is, the coaxial cable connector of Modification 3 shown in FIGS. 6A and 6B is integrally assembled at the tip of the coaxial cable 4 using the bush 76 and the overmold 78. For this reason, the coaxial cable connector does not come off from the coaxial cable 4, and this also improves the reliability of the coaxial cable connector.

In the coaxial cable connector of Modification 3 shown in FIGS. 6A and 6B, the amount of movement of the slide ring 40 in the axial direction is the wall portion 43 formed at the end opposite to the fitting portion 22 of the slide ring 40. Is regulated by contacting the stepped portion 18 formed on the outer peripheral surface of the insulating member 65 or the fitting portion side end portion of the overmold 78.

And the protrusion 44 is provided in the internal peripheral surface of the fitting part 22 side opening end of the slide ring 40, the slide ring 40 moves to the fitting part 22 side, and the wall part 43 of the rear end is formed. When contacting the stepped portion 18 of the slide ring 40, the protrusion 44 goes over the opening end of the fitting portion 22, so that the opening end of the fitting portion 22 spreads outward and protrudes from the opening end surface. The strip 44 is engaged, and the slide ring 40 is positioned at that position.

Further, at the time of the engagement, the opening end of the fitting portion 22 spreads outward, and comes into contact with the inner wall of the slide ring 40, so that sound and vibration are generated, and the user moves the slide ring 40 to the top. That the movement to the tip position can be detected by sound or vibration.
[Modification 4]
Next, in the embodiments and the first to third modifications, the linear coaxial cable connector in which the central axis of the coaxial cable 4 and the central axis of the fitting portion 22 are formed in a straight line has been described. Even the coaxial cable connector formed in an L shape so that the central axis of the coaxial cable 4 and the central axis of the fitting portion 22 are orthogonal to each other can be applied in the same manner as described above.

For example, in the coaxial cable connector shown in FIGS. 6A and 6B, since the rod-like terminal 70 connected to the core wire 5 of the coaxial cable 4 is provided in the internal space of the connector body 10, as shown in FIG. 10 is connected to the side wall of the end opposite to the fitting portion 22 from the direction orthogonal to the central axis of the connector main body 10 to connect the cable connecting portion 13 in which the connection member 7a of the coaxial cable 4 is fitted. If the core wire 5 of the coaxial cable 4 is crimped to the rod-shaped terminal 70 provided in the internal space 10, an L-shaped coaxial cable connector can be easily configured.

And in this L-shaped coaxial cable connector, if the plug connection portion 20 is constituted by the fitting portion 22 and the slide ring 40 as in the coaxial cable connector shown in FIGS. 6A and 6B. By applying the present invention, the same effects as described above can be obtained.
[Other variations]
On the other hand, the tip shape of the protrusion 32 provided on the inner wall on the opening end side of the fitting portion 22 may be sharp or rounded.

And in the said embodiment, although this protrusion 32 shall be provided in the inner peripheral whole region of the fitting part 22, it is provided only in the one part protrusion piece divided | segmented by the slit 30 at the front-end | tip of the fitting part 22. FIG. Also good.

Further, in this case, the protruding piece not provided with the protrusion 32 is not formed into a taper shape extending outward, but is formed into a straight shape extending straight in the axial direction, or the angle extending outward is reduced. May be.

In this way, it is possible to reduce the force required to move the slide ring 40 to the opening end side to position (lock) the fixed position or release the position (lock). The operability of 40 can be improved.

Moreover, in the said embodiment, although the protrusion 32 was demonstrated as what is cyclically | annularly formed around the central axis of the fitting part 22, it has the shape of the thread formed on the outer peripheral surface of the coaxial plug used as connection object. Correspondingly, it may be formed in a spiral shape.

And if it does in this way, since a protrusion can be engaged with a screw thread in the substantially whole region, it can prevent more reliably that a coaxial cable connector remove | deviates from a coaxial plug.
Further, in the coaxial cable connector of the embodiment or the first and second modifications shown in FIGS. 1 to 5, the protrusion 42 provided on the inner wall of the slide ring 40 and the movement of the slide ring 40 by engaging with the protrusion 42 are provided. The guiding notch 38 is not necessarily provided and may be omitted.

Similarly, in the coaxial cable connector of the embodiment shown in FIGS. 1 to 5 or

Modifications

1 and 2, the distal end portion of the insertion portion 12 has a cylindrical shape with the same outer diameter, but is inserted into the coaxial cable 4. In order to make it easy to remove from the coaxial cable after insertion, the outer periphery of the insertion portion 12 is tapered so that the outer diameter decreases toward the distal end side, and the diameter is once increased and tapered at the tip. Also good. Such a taper may be formed in a plurality of stages in the axial direction.

Claims

A coaxial cable connector,
Consists of a conductive metal formed in a cylindrical shape, one open end side is formed so as to be connectable to the outer conductor of the coaxial cable, and the core wire of the coaxial cable or a rod-like terminal connected to the core wire is provided in the inner space. A connector body that can be inserted;
A cylindrical fitting portion that is made of a conductive metal, is provided at the opening end of the connector body opposite to the coaxial cable, and into which a coaxial plug to be connected can be inserted;
With
The fitting part is formed in a tapered shape whose opening end side opposite to the connector body has a diameter increasing outwardly, and the taper part extends from the opening end side to the central axis of the fitting part. Is divided into a plurality of slits formed along a plurality of slits, so that the opening end side can be reduced in diameter.
The periphery of the fitting portion is made of a conductive metal formed in a cylindrical shape, and the center axis of the fitting portion from the connector body side to the opening end side where the slit is formed or in the opposite direction. A coaxial cable connector, characterized in that a slide ring that is movable in both directions is provided.
The protrusion which can be engaged with the screw thread formed in the outer peripheral surface of the said coaxial plug is formed in the inner peripheral surface of the opening end side of the said fitting part. Coaxial cable connector.
In at least one of the inner peripheral surface of the slide ring and the outer peripheral surface of the fitting portion, the slide ring is moved to the opening end side of the fitting portion to reduce the diameter of the fitting portion, The coaxial projection according to claim 1 or 2, wherein an engagement protrusion for positioning the slide ring is formed by engaging with the engagement portion on the fitting portion side or the slide ring side. Cable connector.
The engaging portion formed on the outer peripheral surface of the fitting portion is an opening of the fitting portion when the slide ring is moved to the opening end side of the fitting portion and engages with the engaging portion of the slide ring. 4. The coaxial cable connector according to claim 3, wherein the coaxial cable connector is formed in the vicinity of the opening end of the fitting portion so that the end expands and contracts and hits the inner peripheral surface of the slide ring to generate sound.
The coaxial cable connector according to any one of claims 1 to 4, wherein a ring cover made of resin is provided around the slide ring.
The slide ring includes a plurality of slide rings that are shorter than the slit of the fitting portion and are not overlapped with the slit of the fitting portion from the opening end opposite to the connector main body toward the connector main body side. Slits are formed,
The coaxial cable connector according to claim 5, wherein the ring cover is provided at an end of the slide ring on a connector main body side.
In the internal space of the connector body, there is provided an insulating member that holds a rod-like terminal, to which a core wire of a coaxial cable is crimped, protruding in the fitting portion,
On the outer peripheral surface of the insulating member in contact with the inner peripheral surface of the connector main body, a space is formed between the inner peripheral surface of the connector main body at a position corresponding to the crimped portion between the core wire and the rod-shaped terminal of the coaxial cable. The coaxial cable connector according to any one of claims 1 to 6, wherein a recess to be formed is formed.
When the coaxial plug is inserted into the fitting portion, the fitting portion is disposed between the inner peripheral surface of the fitting portion and the outer peripheral surface of the coaxial plug. The coaxial cable connector according to any one of claims 1 to 7, wherein a leaf spring for biasing the surface is provided.