JP2010257696A - Cable drawing direction-variable plug - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cable drawing direction-variable plug capable of optionally adjusting a cable drawing direction and performing smooth wiring according to conditions of a wiring location. <P>SOLUTION: A connection plug 100 is constituted by rotatably combining a first connection plug body 30 with a second connection plug body 40. The first connection plug body 30 includes a nut-shaped connector 32 at a pointed head of a body case 31, and the second connection plug body 40 includes a screw-shaped connector 42 at a pointed head of a body case 41. The body case 31 of the first connection plug body 30 and the body case 41 of the second connection plug body 40 are formed by inclining connected surfaces at an angle of 45°, and center axes A, B of the connected surfaces can be rotated at 360°. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a cable drawing direction variable connector having a function of adjusting a cable drawing direction.

  Conventionally, when distributing and extending a television signal from a television terminal provided on a wall surface of a house to a plurality of electronic devices (such as a television receiver and a video recording device), the television signal is extended from the television terminal with a cable and the tip The TV signal is distributed by a distributor connected to the TV. In the connection of the high-frequency cable between the output terminal of the distributor and the input terminal of the electronic device, a plug is usually provided at the end of the cable to connect the terminals (for example, as the target distributor, (See Patent Documents 1 and 2). As the plug, a straight type that connects a high-frequency cable in a straight line (180 °) to the terminal or an L-type plug that connects the high-frequency cable to the terminal at an angle of 90 degrees is used. For example, see Patent Document 3.)

  9 (a) and 9 (b) are perspective views showing a conventional connection configuration between a distributor and a plug.

  In FIG. 9A, reference numeral 10 denotes a distributor, and a plurality of, for example, two television signal distribution output terminals 12 and 13 are provided on the front surface of the mounting plate 11. The high frequency cable 14 is connected to the input terminal on the side of the mounting plate 11 via a plug attached to the tip of the high frequency cable 14. Although not shown, the plug attached to the other end of the high-frequency cable 14 is connected to a television terminal provided on the wall surface of the house.

  The distribution output terminals 12 and 13 of the distributor are plugs attached to a high-frequency cable 24 from an electronic device such as a television receiver, such as a screw-type straight plug 21 or a plug-in straight plug. A plug 22, a plug-in L-shaped (90 degree) plug 23 and the like are connected. In addition, a plug is attached to the other end of the high-frequency cable 24 in the same manner as described above, and is connected to an input terminal of an electronic device such as a television receiver.

  In FIG. 9B, the plug-in type straight plug 22 is attached to one distribution output terminal 12 shown in FIG. 9A, and the plug-in type L plug 23 is plugged into the other distribution output terminal 13. It shows the state of wearing.

  Moreover, also in the relay plug which relay-connects between high frequency cables, the straight form and the L-type plug form are known.

Design Registration No. 118047 Design Registration No. 1183048 Utility model registration No. 3062286

  Conventionally, when connecting the high-frequency cable 24 from an electronic device to the distributor 10 as described above, a plurality of types of plugs such as straight-type plugs and L-type plugs are prepared in advance, and the wiring environment, that is, the place where wiring is performed. Further, the shape of the plugs 21 to 23 is selected according to the direction of the cable and is connected to the distributor 10. If such a measure is not taken, the degree of freedom of routing of the cable 24 is reduced, and when the cable 24 is extremely bent, the core wire may be broken inside the cable.

  The present invention is for solving the above-mentioned problems, and it is possible to arbitrarily set the plugging direction regardless of whether indoors or outdoors, and the terminal end connection for a high-frequency cable that can be smoothly wired according to the state of the wiring place, etc. The purpose is to provide plugs and relay plugs.

  The plug according to the present invention comprises a first plug body and a second plug body that is rotatably provided on the joint surface of the first plug body, and the joint surface of the first plug body and The joining surface of the second plug body is formed so as to be inclined by approximately 45 degrees with respect to the central axis, and the cable drawing direction can be adjusted by rotating the second plug body relative to the first plug body. It is characterized by comprising.

  According to the present invention, the second plug body having an axis inclined approximately 45 degrees with respect to the axis of the first plug body is rotatably provided, so that the plug direction can be adjusted while maintaining high-frequency electrical characteristics stably. It can be easily adjusted, and can be used both indoors and outdoors by making the first and second plugs waterproof.

It is a side view which shows the structural example of the stopper which concerns on Example 1 of this invention. In the Example 1, it is sectional drawing which shows a state when the axis | shaft of a 1st plug body and a 2nd plug body is hold | maintained on the straight line. (A) is a disassembled perspective view which shows the structure of the plug which concerns on the Example 1, (b) is a perspective view which shows the state which assembled the plug. In the plug according to the first embodiment, the second plug body is shown in a cross-sectional view showing details of the coupling state in mutual rotation of the first plug body and the second plug body. In the plug which concerns on the Example 1, it is a perspective view which shows the example at the time of rotating a 2nd plug body in the state which fixed the 1st plug body. In the same Example 1, it is a perspective view which shows the example of a connection form at the time of connecting a plug to a divider | distributor. It is a perspective view which shows an example of the relay plug to which this invention is applied. It is a perspective view which shows another example of the relay connector to which this invention is applied. It is a perspective view which shows the connection form of the connector for conventional dividers and high frequency cables.

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

  FIG. 1 shows a configuration example when the present invention is applied to a plug 100, (a) is a side view showing a state when the shafts of a first plug body and a second plug body are held in a straight line, FIG. 4B is a side view showing a state where the angle of the first plug body and the second plug body is 90 degrees.

  The plug 100 according to the first embodiment of the present invention is rotatably coupled in a state where the B axis of the second plug 40 is inclined by 45 degrees with respect to the A axis of the first plug 30, and the plug direction is determined. It is configured to be arbitrarily adjustable.

  The first plug body 30 includes, for example, a nut-shaped connector 32 at the distal end portion of the main body case 31, and the second plug body 40 includes, for example, a screw-shaped connector 42 at the distal end portion of the main body case 41. The main body case 31 of the first plug body 30 and the main body case 41 of the second plug body 40 are formed by inclining the joint surfaces at an angle of 45 degrees and rotating the central axes A and B of the joint surfaces. The shaft can be rotated 360 degrees.

  Hereinafter, the details of the plug 100 will be described with reference to FIGS. 2, 3A, and 3B. FIG. 2 is a cross-sectional view of the first plug body 30 and the second plug body 40 in a straight line, and FIG. 3A is an exploded perspective view showing the configuration of the plug 100. FIG. ) Is a perspective view showing a state in which the plug 100 is assembled.

  The main body case 31 of the first plug body 30 is formed in a substantially cylindrical shape, and is provided with a joint surface 311 that joins the second plug body 40 at one end. The joint surface 311 is formed to be inclined at an angle of 45 degrees with respect to the center axis, and a cylindrical coupling protrusion 312 is provided at the center. The coupling protrusion 312 is provided so as to protrude perpendicular to the joint surface 311 and includes an engagement piece 313 on the outer periphery of the tip. The engaging piece 313 has a substantially oval shape in which both sides of the disc are cut out. In addition, a substantially elliptical groove 314 is formed on the joint surface 311 at a certain depth so as to be positioned on the outer periphery of the coupling protrusion 312, and is waterproof to the groove 314 when joining the second plug 40. The packing 33 is positioned. The depth of the groove 314 is set to about ½ of the thickness of the waterproof packing 33, for example.

  The main body case 31 has an opening at the other end, a screw groove (not shown) is formed inside the opening, and a nut-shaped connector 32 is screwed into the screw groove.

  The nut connector 32 has a nut 323 attached to the tip of a nut holder 321 formed in a substantially cylindrical shape via an O-ring 322, and has a waterproof structure by the O-ring 322.

  The nut holder 321 has a threaded portion 324 formed on the outer periphery of the end opposite to the nut mounting end, and is screwed to the main body case 31 with a waterproof packing 34 interposed therebetween. The nut holding body 321 is formed so that the outer periphery of the central portion protrudes in a ring shape, and spanner hooks 325 are provided on the outer peripheral portion at intervals of 180 °, that is, at two symmetrical positions.

  Further, center pin holding structures 35a and 35b are mounted inside the main body case 31 and the nut holding body 321. The center pin holding structures 35a and 35b form a pair, and are formed by an insulator in accordance with the inner shape of the main body case 31 and the nut holder 321. The center pin 36 is held by a groove 351 formed along the inner center axis. To do. The groove 351 is formed in accordance with the shape of the center pin 36. The center pin holding structures 35 a and 35 b are formed to protrude at a predetermined angle so that an end 352 located on the side of the joint surface 311 of the main body case 31 is inserted into the coupling protrusion 312.

  The center pin holding structures 35a and 35b are provided with a plurality of coupling protrusions (not shown) and coupling holes 353 corresponding to opposite surfaces, and are integrally coupled by press-fitting the coupling protrusions into the coupling holes 353. Is done.

  The center pin 36 is formed so as to project a predetermined length from both ends of the center pin holding structures 35a and 35b, and the tip projecting toward the nut connector 32 is located along the center axis in the nut connector 32. . Further, the front end portion of the center pin 36 located on the side of the joint surface 311 of the main body case 31 is bent so as to be positioned along the central axis of the coupling protrusion 312, and predetermined from the front end of the coupling protrusion 312. Protrusively provided with a length.

  On the other hand, the main body case 41 of the second plug body 40 is formed in a cylindrical shape having the same diameter as the main body case 31, and a joining surface 411 that joins the first plug body 30 is provided at one end. A substantially elliptical coupling hole 412 is provided in the center of the joint surface 411, and the coupling protrusion 312 and the engagement piece provided in the main body case 31 of the first plug body 30 through the coupling hole 412. 313 is inserted into the main body case 41.

  The main body case 41 has an opening at the other end, a screw groove (not shown) is formed inside the opening, and a screw connector 42 is screwed into the screw groove.

  The screw-type connector 42 has screw portions 421 and 422 formed on the outer periphery of both front and rear ends, and the screw portion 422 on the rear end side is screwed to the main body case 41 with a waterproof packing 43 interposed therebetween. Further, the screw-shaped connector 42 is formed so that the outer periphery of the central portion protrudes in a ring shape, and spanner hooks 423 are provided on the outer peripheral portion at intervals of 180 °, that is, at two symmetrical positions.

  Center contacts 45 held by center contact holding structures 44a and 44b are mounted inside the screw connector 42 and the body case 41. The center contact holding structures 44a and 44b are formed of an insulator in accordance with the inner shape of the screw connector 42 and the body case 41, and hold the center contact 45 therebetween. In this case, a waterproof packing 46 is attached to the opening tip of the screw-type connector 42, and the tip of the center contact 45 is held at the center position and has a waterproof function.

  The center contact holding structures 44a and 44b are formed so that the end portions inserted into the main body case 41 are formed obliquely in accordance with the inclination of the joint surface 411 and are inserted from the coupling holes 412 of the joint surface 411. The relationship between the members on the side of the one connector 30, that is, the coupling protrusion 312 of the main body case 31, the engagement piece 313, and the tip of the center pin 36 is taken into consideration.

  The central contact holding structures 44 a and 44 b are provided with a plurality of coupling protrusions 441 and coupling holes 442 corresponding to opposite surfaces, and are integrally coupled by press-fitting the coupling protrusions 441 into the coupling holes 442.

  The center contact 45 is made of a pair of elastic metal plates, one end of which is located at the center of the open end of the screw-type connector 42 and is electrically connected to the center conductor of an external connector (not shown). Connected. The other end portion of the center contact 45 is bent so as to be parallel to the joint surface 411 of the main body case 41, and the tip portion is provided so as to protrude from the center contact holding structures 44a and 44b. The front end portion of the center contact 45 has a pair of metal plates opposed to each other with a predetermined interval and is formed in a semicircular shape to form a center pin coupling portion 451. When the body 30 and the second plug body 40 are coupled, the tip of the center pin 36 of the first plug body 30 inserted from the coupling hole 412 provided in the joint surface 411 of the main body case 41 is clamped to Connect. When the first plug body 30 and the second plug body 40 are relatively rotated, the center contact 45 of the second plug body 40 has the center pin coupling portion 451 of the first plug body 30. It rotates in a state where it is in sliding contact with the center pin 36 and maintains an electrical connection with the center pin 36.

  In the above configuration, the first plug body 30 and the second plug body 40 are assembled separately, and then joined together with the waterproof packing 33 interposed therebetween. In this case, the position of the coupling hole 412 provided in the joint surface 411 of the main body case 41 in the second plug 40 is the position of the engagement piece 313 provided in the coupling protrusion 312 of the main case 31 in the first plug 30. At the same time, the engaging piece 313 is inserted into the main body case 41 from the coupling hole 412 and the tip of the center pin 36 protruding from the coupling protrusion 312 is sandwiched between the central pin coupling portions 451 of the center contact 45, Connect electrically.

  In this state, when the second plug 40 is slightly rotated in any direction with respect to the first plug 30, the engagement piece 313 provided on the coupling protrusion 312 of the main case 31 and the main case 41 The position of the coupling hole 412 provided in the joint surface 411 is shifted, and the back surface of the engagement piece 313 is engaged with the back surface of the joint surface 411 of the main body case 41. Further, part of the tips of the center contact holding structures 44a and 44b are located on the back side of the engaging piece 313 provided on the coupling protrusion 312 to hold the engaging piece 313. As a result, the first plug body 30 and the second plug body 40 are surely coupled to each other, and are maintained in the coupled state even if they rotate with each other.

  FIG. 4 shows the details of the coupling state in the mutual rotation of the first plug body and the second plug body in connection with the above description.

  Further, the tip of the center pin 36 on the first plug body 30 side is coupled to a center pin coupling portion 451 provided on the center contact 45 of the second plug body 40, so Even if the plug 40 is rotated in any direction, the electrical connection state is maintained.

  As described above, the joint surface 311 of the main body case 31 and the joint surface 411 of the main body case 41 are formed to be inclined at an angle of about 45 degrees, and the central axis of each of the joint surfaces 311 and 411 is 360 degrees as the rotation axis. By being configured to be able to rotate, the shape of the plug can be arbitrarily adjusted in the plugging direction by deforming the plug into a straight shape, an L shape, or the like.

  FIG. 5 shows an example in which the second plug 40 is rotated while the first plug 30 is fixed. FIG. 5A shows the first plug 30 and the second plug 40. (B) is a state where the second plug 40 is rotated 90 degrees clockwise from the straight shape, and (c) is a state where the second plug 40 is further rotated 90 degrees clockwise. The state when rotated is shown.

  As shown in FIG. 5, when the second plug 40 is rotated while the first plug 30 is fixed, the rotation angle of the second plug 40 is changed to change the second plug 40. The direction can be adjusted arbitrarily.

  FIG. 6 shows an example of a connection form when the plugs 100A and 100B according to the first embodiment of the present invention are connected to the distributor 10.

  The plugs 100A and 100B have nut-type connectors 32 screwed onto the distribution output terminals 12 and 13, respectively. 5 shows an example in which the plug-in type straight plug 111 is connected to the screw connector of one plug 100A and the screw type straight plug 112 is connected to the screw connector of the other plug 100B. As shown.

  In FIG. 6, when the first plug body and the second plug body are adjusted to an angle close to approximately 90 degrees so that one plug 100A does not contact the other plug 100B, the other plug 100A The plug 100B shows a case where the first plug body and the second plug body are adjusted to 90 degrees.

  As shown in the first embodiment, the second plug 40 having an axis inclined by 45 degrees with respect to the axis of the first plug 30 is rotatably provided, while maintaining high-frequency electrical characteristics stably. The plugging direction can be easily adjusted, and it can be used indoors or outdoors by adopting a waterproof structure.

  In the first embodiment, the case where the first connector 30 is the nut-type connector 32 and the second connector 40 is the screw-type connector 42 is shown. However, as shown in FIG. The plug body 30 may be a plug-in connector 32A.

  Further, the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying constituent elements without departing from the scope of the invention in the implementation stage.

  DESCRIPTION OF SYMBOLS 30 ... 1st connector body, 31 ... Main body case, 32 ... Nut type connector, 32A ... Plug-in connector, 32B ... Screw type connector, 33, 34 ... Waterproof packing, 35a, 35b ... Center pin holding structure, 36 ... Center Pins 40 ... second connector, 41 ... main body case, 42 ... screw connector, 43 ... waterproof packing, 44a, 44b ... center contact holding structure, 45 ... center contact, 46 ... waterproof packing, 100, 100A, 100B , 110 ... plug, 111 ... plug-in straight plug, 112 ... screw-in straight plug, 311 ... joint surface, 312 ... coupling projection, 313 ... engagement piece, 314 ... groove, 321 ... nut holding Body, 322 ... O-ring, 323 ... Nut, 324 ... Threaded part, 351 ... Groove, 352 ... End of center pin holding structure, 353 ... Coupling hole, 411 ... Mating surface, 412 ... connecting holes, 421 and 422 ... screw part, 441 ... joining projection, 442 ... coupling hole 451 ... central pin joint.

Claims (1)

A first plug body, and a second plug body rotatably provided on the joint surface of the first plug body,
The joint surface of the first plug body and the joint surface of the second plug body are formed to be inclined by about 45 degrees with respect to the central axis, and the second plug body is rotated with respect to the first plug body. The cable drawing direction variable connecting plug, characterized in that the cable drawing direction can be adjusted by doing so.

Images