JP5071326B2 - Rotating connector - Google Patents

Description

  The present invention relates to a rotary connector in which a connector connecting portion can be rotated and locked with respect to a cable mounting portion.

  Some connectors attached to the end of a coaxial cable are called L-shaped connectors. The L-shaped connector is attached to, for example, a coaxial cable that connects an antenna for a mobile phone base station and a communication device of the base station. The L-shaped connector is used in a case where there is a limited space where a cable cannot be sufficiently bent with a straight connector.

  As shown in FIG. 9, a conventional L-shaped connector 91 includes a connector bottom 93 (cable mounting portion) into which a coaxial cable 92 is inserted and a connector head (main body) that is mounted on a connector to be connected to a communication device or the like. 94 (connector connecting portion).

  The connector bottom 93 has a cylindrical shape that extends straight, has a cable inlet into which the coaxial cable 92 is inserted at the base end (right side in the figure), and the outer periphery of the tip end (inside the connector head 94). With screws.

  The connector head 94 has a cylindrical shape bent in an L shape between a base end portion and a tip end portion (left side in the figure), and a screw that is screwed with a screw of the connector bottom 93 is provided on the inner periphery of the base end portion. And having a mating connector 95 inserted into the connector of the mating connector at the tip.

  As described above, the connector bottom 93 and the connector head 94 are fixed to each other by screwing screws.

JP 2002-75551 A JP 2003-45585 A JP 2005-63738 A

  In the conventional L-shaped connector 91, the connector head 94 is fixed to the connector bottom 93. At the site where the antenna is installed, the coaxial cable 92 is constructed in units of several, and the L-shaped connector 91 is attached. At that time, in each coaxial cable 92, the mating connection portion 95 of the L-shaped connector 91 faces in various directions.

  In order to attach the L-shaped connector 91 to the connector of the connection partner, it is necessary to direct the partner connection portion 95 to the connector of the connection partner. Conventionally, as shown in FIG. 10, by twisting the coaxial cable 92 as shown by a curved arrow a few meters before the end of the coaxial cable 92 to which the L-shaped connector 91 is attached (right side in the figure), The entire connector 91 is rotated around the central axis C of the coaxial cable 92 so that the direction of the mating connection portion 95 is set to a desired direction.

  When connecting the coaxial cable 92 to the connection partner, the counterpart connection part 95 is inserted into the connector of the connection partner while taking care not to damage the counterpart connection part 95 of the L-shaped connector 91.

  However, since the conventional L-shaped connector 91 twists the coaxial cable 92, a load is generated on the coaxial cable 92.

  Further, the conventional L-shaped connector 91 is not easy to align the direction of the mating connecting portion 95 with a desired direction, and requires extra labor.

  Therefore, an object of the present invention is to solve the above-described problems and provide a rotary connector in which a connector connecting portion can be rotated and locked with respect to a cable mounting portion.

In order to achieve the above object, the present invention has a cylindrical shape, a cable mounting portion to which a cable is mounted, and a cylindrical shape having a bent portion at a predetermined location, one end side of which is one end side of the cable mounting portion The other end of the connector is electrically connected to a connector that is a connection partner, and the rotation of the connector connecting portion is locked with respect to the cable mounting portion. A rotation lock portion, and the cable mounting portion is cylindrical, has a cable inlet into which a cable is inserted at the base end portion, and has a connector bottom having a screw on the outer periphery of the distal end portion, and is cylindrical. The base end portion has a screw that is screwed with the connector bottom screw, the base end portion has a screw at the outer periphery of the intermediate portion, and the distal end portion has a smaller outer diameter than the intermediate portion. Step between the tip and the middle A lock nut having a cylindrical shape, a screw that engages with a screw on the outer periphery of the connector middle on the inner periphery of the base end, and a protrusion on the inner periphery The connector connecting portion has a cylindrical shape having a bent portion between a base end portion and a tip end portion, and a connector middle fitting in which the tip end portion of the connector middle is rotatably fitted to the base end portion. A connector head having a mating portion, a projection engaging with the projection of the lock nut on the outer periphery of the base end portion, and a mating connection portion inserted into a mating connector at the distal end portion; when the head of the protrusion is sandwiched between the step portion of the projection and the connector middle of the lock nut, a shall rotation of the distal end of the connector middle to the base end portion of the connector head is locked.

In addition, the present invention is cylindrical, and is a cylindrical shape having a cable mounting portion to which a cable is mounted and a bent portion at a predetermined location, and one end side thereof is rotatable to one end side of the cable mounting portion and The cable is connected electrically while the other end is electrically connected to the connector that is the other end of the connection, and is pulled toward and pressed against the cable mounting portion. A rotation lock portion that locks the rotation of the connector connection portion with respect to the attachment portion, and the cable attachment portion is cylindrical and has a cable inlet into which a cable is inserted at the proximal end portion, and a distal end portion A connector bottom having a screw on the outer periphery thereof, a cylindrical shape, a screw which is screwed to the screw of the connector bottom on the inner periphery of the base end portion, and a screw on the outer periphery of an intermediate portion between the base end portion and the distal end portion With the tip at the middle A connector middle having a step portion between the distal end portion and the intermediate portion, and the rotation lock portion is cylindrical, and the connector middle has an inner periphery of the base end portion. A lock nut having a screw threadedly engaged with a screw on the outer periphery and having a protrusion on the inner periphery; and the connector connecting portion has a cylindrical shape having a bent portion between the base end portion and the tip end portion. It has a connector middle fitting part in which the tip part of the connector middle is rotatably fitted at the end part, and has a projection that engages with the projection of the lock nut on the outer periphery of the base end part, and is connected to the tip part. A connector head having a mating connection portion to be inserted into the mating connector, and when the projection of the connector head is sandwiched between the projection of the lock nut and the stepped portion of the connector middle, The connector connector for the end Rotation of the tip portion of the Le is shall be locked.

  The bent portion of the connector head may be bent so that the distal end portion is perpendicular to the base end portion of the connector head.

  A mating mounting nut that has a cylindrical shape, is rotatably held at the tip of the connector head, has an inner diameter larger than the outer diameter of the mating connection portion, and has a screw that engages with the screw of the mating connector on the inner circumference May be provided.

  The connector head may have a central conductor extending from the distal end portion to the proximal end portion of the connector head.

  The present invention exhibits the following excellent effects.

  (1) The connector head can be rotated.

  (2) The connector head can be locked.

  Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

  As shown in FIG. 1, the rotary connector 1 according to the present invention has a cylindrical shape, a cable mounting portion to which a cable is mounted, and a cylindrical shape having a bent portion at a predetermined location, one end side of which is the above One end side of the cable mounting portion is rotatably and electrically connected, while the other end side is electrically connected to a connector which is a connection partner, attracted toward the cable mounting portion and A rotation lock portion that locks rotation of the connector connection portion with respect to the cable attachment portion by pressing against the cable attachment portion, and the cable attachment portion includes a connector bottom 2 and a connector middle 3; The connector connecting portion includes a connector head 5 and a mating mounting nut 6, and the rotation lock portion includes a lock nut 4.

  The connector bottom 2, the connector middle 3, the lock nut 4, the connector head 5, and the mating mounting nut 6 are all made of a metal such as stainless steel.

  The connector bottom 2 has a cylindrical shape that extends straight. The connector bottom 2 has a coaxial cable 7 inserted in a proximal end portion (the right side in the drawing is the proximal end portion and the left side is the distal end portion. However, in the case of being bent, the lower side is the distal end portion). Cable inlet 8. The cable inlet 8 has an inner diameter larger than the outer diameter of the outer sheath 9 of the coaxial cable 7. An outer conductor insertion port 11 into which the outer conductor 10 of the coaxial cable 7 is inserted is provided at an intermediate portion that enters the distal end portion from the cable inlet 8 of the connector bottom 2. The outer conductor insertion port 11 has substantially the same outer diameter and inner diameter as the outer conductor 10. The cable inlet 8 is packed with an elastic O-ring 12 in the gap between the inner periphery of the cable inlet 8 and the outer sheath 9 of the coaxial cable 7. The connector bottom 2 has a screw 13 on the outer periphery of the tip 2c.

  The connector middle 3 has a cylindrical shape that extends straight. In the connector middle 3, the outer diameter of the base end portion 3a is the largest, the outer diameter of the intermediate portion 3b is smaller than the outer diameter of the base end portion 3a, and the outer diameter of the distal end portion 3c is the smallest. The connector middle 3 has a screw 14 that engages with a screw 13 on the outer periphery of the distal end portion 2c of the connector bottom 2 on the inner periphery of the base end portion 3a. By this screwing, the connector middle 3 and the connector bottom 2 can be fixed to each other. The connector middle 3 has a screw 15 on the outer periphery of the intermediate portion 3b. The connector middle 3 has a stopper 16 with which the outer conductor 10 of the coaxial cable 7 is abutted. The stopper 16 protrudes from the inner periphery of the distal end portion 3c so as to have a smaller diameter. When viewed from the proximal direction, the stopper 16 has a circular hole 18 having a diameter smaller than that of the outer conductor 10 of the coaxial cable 7 and larger than that of the inner conductor 17. Have. The circular hole 18 may be larger in diameter than the insulating spacer 19 of the coaxial cable 7.

  The connector middle 3 has a step portion 3d between the tip portion 3c and the intermediate portion 3b because the tip portion 3c has a smaller outer diameter than the intermediate portion 3b.

  The lock nut 4 has a cylindrical shape that extends straight. The lock nut 4 has a screw 20 that engages with a screw 15 on the outer periphery of the intermediate portion 3b of the connector middle 3 on the inner periphery of the base end portion 4a. The lock nut 4 has a protrusion 21 on the inner periphery.

  The connector head 5 has a cylindrical shape having a bent portion 5b between a base end portion 5a and a distal end portion 5c. The bent portion 5b of the present embodiment is bent so that the distal end portion 5c faces a right angle with respect to the base end portion 5a. That is, the central axis C of the base end portion 5a and the central axis R of the distal end portion 5c intersect perpendicularly. For this reason, when the connector head 5 is viewed from a direction different from the direction of the distal end portion 5c, the connector head 5 has an L shape.

  The connector head 5 has a connector middle fitting portion 5d in which the distal end portion 3c of the connector middle 3 is rotatably fitted around the central axis C at the base end portion 5a. Thereby, the connector middle 3 and the connector head 5 can be rotated around the central axis C relatively. The connector head 5 has a protrusion 22 that engages with the protrusion 21 of the lock nut 4 on the outer periphery of the base end portion 5a. The protrusion 22 is at the most proximal end of the proximal end portion 5a. An O-ring 23 fitted to the tip 3c of the connector middle 3 is sandwiched between the protrusion 22 and the step 3d. The connector head 5 has another protrusion 24 that engages with the protrusion 21 of the lock nut 4 on the outer periphery of the base end portion 5a. The protrusion 24 is located closer to the bent portion 5 b than the protrusion 22, and the protrusion 21 of the lock nut 4 is positioned between the protrusion 22 and the protrusion 24.

  The connector head 5 has a mating connection portion 25 to be inserted into the mating connector at the distal end portion 5c. The mating connection portion 25 has a straight cylindrical shape, and an insulating cap 26 is fitted therein. The connector head 5 has a central conductor 27 that extends from the distal end 5c to the proximal end 5a. Specifically, the tip end center conductor 27c is located on the center axis R of the tip end portion 5c, and the tip end center conductor 27c penetrates the insulating cap 26 from the position where it intersects the center axis C in the bent portion 5b, so It extends to the tip, and the tip of the tip center conductor 27c has a needle shape. On the other hand, there is a base end portion center conductor 27a on the center axis C of the base end portion 5a, and the base end portion center conductor 27a extends from a position intersecting the center axis R to the most base end of the base end portion 5a. The most proximal end of the proximal end center conductor 27a is in the vicinity of the stopper 16 of the connector middle 3, and is located at the center of the circular hole 18 when viewed from the proximal direction. The proximal end center conductor 27a has a hollow cylindrical shape on the proximal end side, and has a plurality of slits 29 disposed in the circumferential direction and extending from the most proximal end toward the distal end. The slit 29 uses a leaf spring as the most proximal end of the proximal end center conductor 27a, allows the inner conductor 17 of the coaxial cable 7 to be smoothly inserted into the proximal end center conductor 27a, and ensures good electrical contact. It is provided as follows. The proximal end center conductor 27a has a solid cylindrical shape on the distal end side. The proximal end center conductor 27a and the distal end center conductor 27c are formed by applying gold plating to a good conductor metal mainly composed of copper.

  The mating mounting nut 6 has a cylindrical shape that extends straight. The mating mounting nut 6 is rotatably held around the central axis R at the tip portion 5 c of the connector head 5. The counterpart mounting nut 6 has an inner diameter larger than the outer diameter of the counterpart connection portion 25. The mating attachment nut 6 has a screw 28 that is screwed onto the screw of the mating connector on the inner periphery.

  As shown in FIG. 2, the base end portion 2 a of the connector bottom 2 has a flat portion 40 on a part of a cylindrical outer peripheral surface. The flat portion 40 is also on the back surface of the figure (180 ° opposite side around the central axis C). The two flat portions 40 facing each other on the outer peripheral surface serve as a slip stopper when the connector bottom 2 is gripped with a tool or a hand. Further, the flat surface portion 40 serves as an index for confirming whether or not the connector bottom 2 is rotating around the central axis C with respect to other members and its angle.

  The base end portion 3a of the connector middle 3 has a flat portion 41 at a part of the cylindrical outer peripheral surface. The flat portion 41 is also on the back surface of the figure (180 ° opposite side around the central axis C). The two flat portions 41 facing each other on the outer peripheral surface serve as a slip stopper when the connector middle 3 is gripped by a tool or a hand. Further, the flat surface portion 41 serves as an index for confirming whether or not the connector middle 3 is rotating around the central axis C with respect to other members and its angle.

  The lock nut 4 has six plane portions 42 arranged on the cylindrical outer peripheral surface at equal circumferential angular pitches. These flat portions 42 serve as slip stoppers when the lock nut 4 is gripped and screwed with a tool or hand.

  The bent portion 5b of the connector head 5 includes a flat portion 43 orthogonal to the central axis R of the distal end portion 5c, a flat portion 44 orthogonal to the central axis C of the proximal end portion 5a, and the flat portion 43 and the flat surface. By having two plane parts 45 (front and back in the figure) orthogonal to both of the parts 44, a cubic appearance is exhibited. The flat portions 43 and 45 serve as an index for confirming whether or not the connector head 5 is rotating around the central axis C with respect to other members and the angle thereof.

  The mating attachment nut 6 has six flat portions 46 arranged at equal circumferential angular pitches on the cylindrical outer peripheral surface. These flat portions 46 serve to prevent slipping when the mating mounting nut 6 is gripped and screwed with a tool or hand when the rotary connector 1 of the present invention is mounted on the connector of the mating connector.

  In the above configuration, the connector head 5 includes two protrusions 22 and 24 that engage with the protrusion 21 of the lock nut 4. When the inner peripheral screw 20 of the base end portion 4 a of the lock nut 4 is screwed with the outer peripheral screw 15 of the intermediate portion 3 b of the connector middle 3 and is rotated, the lock nut 4 is attached to the connector head 5 and the connector middle 3. On the other hand, it can move in the proximal direction and the distal direction along the central axis C.

  When the lock nut 4 moves in the tip direction (left direction in the figure), if the projection 21 hits the projection 24, the lock nut 4 is restricted from moving further in the tip direction. In this way, the lock nut 4 serves to prevent the connector middle 3 and the connector head 5 from being detached from each other.

  When the screw 20 of the lock nut 4 moves in the proximal direction (right direction in the figure), if the protrusion 22 is sandwiched between the protrusion 21 and the stepped portion 3d, the screw 15 and the screw 20 are engaged, and the connector head 5 The rotation of the distal end portion 3c of the connector middle 3 with respect to the proximal end portion 5a is locked. In this embodiment, since the O-ring 23 is provided between the protrusion 22 and the stepped portion 3d, the O-ring 23 is elastically deformed, so that the locking of the rotation of the connector head 5 and the connector middle 3 becomes more robust.

  Hereinafter, the procedure for attaching and assembling the rotary connector 1 of the present invention to the coaxial cable 7 will be described.

  As shown in FIG. 3, the outer sheath 9 is peeled from the end of the coaxial cable 7 to a predetermined length (distance from the outer conductor insertion opening 11 to the stopper 16 + distance from which the inner conductor 17 protrudes from the outer sheath 9), The outer conductor 10 is exposed. The outer conductor 10 is removed from the terminal to a predetermined length (the inner conductor 17 inserted into the circular hole 18 reaches the proximal end center conductor 27a), and the insulating spacer 19 is exposed. The inner conductor 17 is exposed at the end face of the insulating spacer 19. The insulating spacer 19 may be peeled off so that the inner conductor 17 protrudes from the insulating spacer 19.

  As shown in FIG. 4, the above-mentioned terminal-processed coaxial cable 7 is inserted into the cable inlet 8 of the base end 2 a of the connector bottom 2. When the outer sheath 9 of the coaxial cable 7 comes into contact with the periphery of the outer conductor insertion port 11 and stops, the outer conductor 10 entering from the outer conductor insertion port 11 protrudes from the distal end portion 2c of the connector bottom 2 by a predetermined length. The inner conductor 17 and the insulating spacer 19 further protrude from the outer conductor 10 (see FIG. 5).

  At this time, the O-ring 12 is packed into the gap between the inner periphery of the cable inlet 8 and the outer sheath 9 of the coaxial cable 7, whereby the O-ring 12 is elastically deformed and the coaxial cable 7 and the connector bottom 2 are fixed to each other. The

  As shown in FIG. 5, the lock nut 4 is rotated around the central axis C and moved in the proximal direction, and the rotation of the connector head 5 and the connector middle 3 is locked. In order to simplify the explanation, at this time, as shown in FIG. 2, it is assumed that the flat portion 45 of the bent portion 5 b of the connector head 5 and the flat portion 41 of the base end portion 3 a of the connector middle 3 face the same direction. .

  The tip 2c of the connector bottom 2 is inserted into the base end 3a of the connector middle 3, and the screw 13 of the tip 2c of the connector bottom 2 and the screw 14 of the base end 3a of the connector middle 3 are screwed together. In order to screw the screw 13 and the screw 14 together, the set of the connector head 5, the mating nut 6 and the connector middle 3 and the set of the connector bottom 2 and the coaxial cable 7 are relatively rotated around the central axis C. However, since it is not preferable that the coaxial cable 7 is twisted, the flat portion 40 of the base end portion 2a of the connector bottom 2 is gripped so that the connector bottom 2 does not rotate, and the connector head 5 is provided. Rotate the pair. At this time, since the rotation of the connector head 5 and the connector middle 3 is locked, if the connector head 5 (particularly the bent portion 5b, the mating mounting nut 6) is gripped and rotated, the connector head 5 is located. The set can be easily rotated.

  Even when the screw 13 of the connector bottom 2 and the screw 14 of the connector middle 3 are screwed in a state where the rotation of the connector head 5 and the connector middle 3 is not locked, if the connector head 5 is gripped and rotated, to some extent The tightening strength can be screwed, but beyond that, the connector head 5 runs idle and cannot be tightened. In that case, in order to tighten further, the flat part 41 is grasped and the connector middle 3 is rotated.

  By the procedure so far, the rotary connector 1 is in a state in which the coaxial cable 7 to the connector head 5 are integrally fixed as shown in FIGS. 1 and 2. In order to simplify the explanation, as shown in FIG. 2, the flat portion 45 of the bent portion 5b of the connector head 5, the flat portion 41 of the base end portion 3a of the connector middle 3, and the flat portion 40 of the connector bottom 2 are all at this time. Suppose they are facing the same direction.

  As shown in FIGS. 6 and 7, the lock nut 4 is rotated and moved in the distal direction to unlock the connector head 5 and the connector middle 3 so that the connector head 5 and the connector middle 3 can rotate relatively. To. In this state, when the lock nut 4 is loosened, the connector head 5 can be rotated around the central axis C so that the tip portion 5c can be directed in an arbitrary direction. Therefore, the direction of the tip 5c can be adjusted in a necessary direction. Here, in order to simplify the description, the necessary rotation angle is 90 °. As shown in FIG. 7, when the front surface of the flat surface portion 41 and the flat surface portion 40 and the mating connection portion 25 are aligned, a necessary rotation angle of 90 ° is achieved. Therefore, the lock nut 4 is rotated and moved in the proximal direction to lock the rotation of the connector head 5 and the connector middle 3. When the lock nut 4 is tightened in this way, the coaxial cable 7 to the connector head 5 are integrated in a state where the front surface of the flat surface portion 41 and the flat surface portion 40 and the mating connection portion 25 are aligned as shown in FIG. Fixed to. This is a state in which the connector head 5 is rotated around the central axis C by a necessary rotation angle of 90 ° from the state of FIGS. This completes the assembly.

  Since the connector head 5 is rotated around the central axis C by a necessary rotation angle of 90 °, the mating connection part 25 faces the connector of the mating partner. Therefore, the mating connection portion 25 is fitted into the connector of the connection partner, and the screw 28 of the mating attachment nut 6 is screwed into the screw of the connector of the connection partner.

  As described above, in the rotary connector 1 of the present invention, when the lock nut 4 is loose, the connector head 5 and the connector middle 3 can rotate relatively, and when the lock nut 4 is tightened, the connector The head 5 and the connector middle 3 are fixed to each other. Since the connector head 5 can be rotated and locked in this manner, the orientation of the mating connection portion 25 of the connector head 5 can be arbitrarily adjusted without twisting the coaxial cable 7 when the coaxial cable 7 is laid at the antenna installation site or the like. Can do. Therefore, the load applied to the coaxial cable 7 can be eliminated. Further, in addition to eliminating the twisting load between the coaxial cable 7 and the connector bottom 2, the connector head 5 is fixed so as not to rotate, so that the inner conductor 17 of the coaxial cable 7 and the base end of the connector head 5 are fixed. Occurrence of poor contact with the center conductor 27a can be suppressed. As a result, on-site laying work is facilitated and the reliability of electrical connection is ensured.

  In the above embodiment, the connector bottom 2 and the connector middle 3 are formed separately, but the connector bottom 2 and the connector middle 3 may be formed integrally.

It is sectional drawing of the rotation connector which shows one Embodiment of this invention. It is a side external view of the rotation connector which shows one Embodiment of this invention. It is sectional drawing of the coaxial cable which carried out the terminal process. It is sectional drawing at the time of the assembly of the coaxial cable which carried out the terminal process, and the connector bottom of this invention. It is sectional drawing at the time of the assembly of the group of the connector bottom in this invention, and the group of a connector head. It is sectional drawing of a rotation connector when the lock nut in this invention is loosened. It is a side external view of the rotation connector when adjusting the direction by loosening the lock nut in the present invention. It is a side appearance figure of a rotation connector when a lock nut is tightened after adjusting direction in the present invention. It is a side external view of the conventional L-shaped connector. It is the side external view which changed direction of the conventional L-shaped connector.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Rotation connector 2 Connector bottom 3 Connector middle 4 Lock nut 5 Connector head 6 Opposite mounting nut 7 Coaxial cable 8 Cable inlet 9 Exterior sheath 10 External conductor 11 External conductor insertion port 12 O-ring 13 Screw 14 Screw 15 Screw 16 Stopper 17 Inside Conductor 18 Circular hole 19 Insulating spacer 20 Screw 21 Projection 22 Projection 23 O-ring 24 Projection 25 Mating connection portion 26 Insulation cap 27 Central conductor 28 Screw 29 Slit

Claims (5)

A cable mounting portion that is cylindrical and to which a cable is mounted;
It has a cylindrical shape having a bent portion at a predetermined location, and one end side thereof is rotatably and electrically connected to one end side of the cable mounting portion, while the other end side is electrically connected to a connector as a connection partner. A connector connection to be connected;
A rotation lock portion that locks rotation of the connector connection portion with respect to the cable mounting portion;
Equipped with a,
The cable mounting part is
A connector bottom that is cylindrical and has a cable inlet into which the cable is inserted at the base end, and has a screw on the outer periphery of the tip;
It has a cylindrical shape and has a screw that engages with the screw of the connector bottom on the inner periphery of the base end, a screw on the outer periphery of the intermediate portion between the base end and the tip, and the tip is from the intermediate portion. Due to the small outer diameter, a connector middle having a step portion between the tip portion and the intermediate portion,
Including
The rotation lock part is
A lock nut having a cylindrical shape and having a screw threadedly engaged with a screw on the outer periphery of the connector middle on the inner periphery of the base end, and a protrusion on the inner periphery;
Including
The connector connection part
It has a cylindrical shape with a bent portion between the base end portion and the tip end portion, and has a connector middle fitting portion in which the tip end portion of the connector middle is rotatably fitted at the base end portion. A connector head having a projection engaging with the projection of the lock nut on the outer periphery, and having a mating connection portion inserted into a connector of the mating connector at the tip;
Including
When the projection of the connector head is sandwiched between the projection and the step portion of the connector middle of the lock nut, characterized Rukoto rotation of the distal end portion of the connector middle to the base end portion of the connector head is locked Rotating connector. A cable mounting portion that is cylindrical and to which a cable is mounted;
It has a cylindrical shape having a bent portion at a predetermined location, and one end side thereof is rotatably and electrically connected to one end side of the cable mounting portion, while the other end side is electrically connected to a connector as a connection partner. A connector connection to be connected;
A rotation lock portion that locks the rotation of the connector connection portion with respect to the cable mounting portion by pulling toward the cable mounting portion and pressing the cable mounting portion;
Equipped with a,
The cable mounting part is
A connector bottom that is cylindrical and has a cable inlet into which the cable is inserted at the base end, and has a screw on the outer periphery of the tip;
It has a cylindrical shape and has a screw that engages with the screw of the connector bottom on the inner periphery of the base end, a screw on the outer periphery of the intermediate portion between the base end and the tip, and the tip is from the intermediate portion. Due to the small outer diameter, a connector middle having a step portion between the tip portion and the intermediate portion,
Including
The rotation lock part is
A lock nut having a cylindrical shape and having a screw threadedly engaged with a screw on the outer periphery of the connector middle on the inner periphery of the base end, and a protrusion on the inner periphery;
Including
The connector connection part
It has a cylindrical shape with a bent portion between the base end portion and the tip end portion, and has a connector middle fitting portion in which the tip end portion of the connector middle is rotatably fitted at the base end portion. A connector head having a projection engaging with the projection of the lock nut on the outer periphery, and having a mating connection portion inserted into a connector of the mating connector at the tip;
Including
When the projection of the connector head is sandwiched between the projection and the step portion of the connector middle of the lock nut, characterized Rukoto rotation of the distal end portion of the connector middle to the base end portion of the connector head is locked Rotating connector. The rotary connector according to claim 1 or 2 , wherein the bent portion of the connector head is bent so that a distal end portion thereof is perpendicular to a base end portion of the connector head. A mating mounting nut that has a cylindrical shape, is rotatably held at the tip of the connector head, has an inner diameter larger than the outer diameter of the mating connection portion, and has a screw that engages with the screw of the mating connector on the inner circumference The rotary connector according to any one of claims 1 to 3, further comprising: The connector head is rotating connector according to any one of claims 1 to 4, characterized by having a central conductor extending to the proximal end from the distal end of the connector head.

Images