WO2014204037A1 - Optical and electrical hybrid connector - Google Patents

Abstract

The present invention relates to an optical and electrical hybrid connector, comprising: a socket part; a plug body part; and a plug part. The socket part comprises a socket body part providing an optical socket part and a power socket part, which are respectively inserted into an insulator and electrically separated from each other. The plug body part is coupled to the socket part, wherein the plug body part comprises: an optical plug part to be inserted into the optical socket part; and a power plug part to be inserted into the power socket part. The plug part comprises a tension fixing part, coupled to the plug body part, for preventing the tensile force of an optical and electrical hybrid cable being applied to the optical plug part and the power plug part. The optical and electrical hybrid connector of the present invention has effects of reducing the size of a housing of communication equipment by simultaneously supplying an optical signal and power using a single cable, and easily connecting the socket part and the plug part to the optical and electrical hybrid cable by simply inserting a retainer. Furthermore, since the optical and electrical hybrid connector of the present invention can connect the socket part and the plug part by inserting the socket part and the plug part while matching the respective direction key thereof with each other, and then connecting a coupling nut thereto, the connection process is very easy, and so the optical and electrical hybrid connector of the present invention has an effect of reducing the time and costs required for the connection process.

Description

Photoelectric connector

The present invention relates to a photoelectric composite connector, and more particularly, to a photoelectric composite connector capable of simultaneously connecting an optical fiber and a power line.

In general, optical cables used in optical communication facilities such as optical communication repeaters are made of glass or plastic material, and are used in data transmission fields that require high-speed data transmission and high reliability because of light weight and high transmission speed.

Conventionally, it was necessary to connect an optical cable and a separate power cable to supply an optical signal and power to an optical communication facility, and for this purpose, an optical connector and a power connector were used separately.

As such, since the optical connector and the power connector are separately used, the installation work is difficult, and the installation cost is also high.

In view of these problems, a photoelectric composite cable capable of simultaneously supplying light and power with a single cable has been developed, and a photoelectric composite connector for connecting such a photoelectric composite cable has been developed.

Patent No. 10-1017085 (Registered Feb. 16, 2011, Optoelectronic Composite Connector) provides a socket portion for providing light and a power socket, and a plug portion for providing an advertisement power plug, respectively, and the socket portion as a fastening means. The configuration is described in which the plug portion is fastened to prevent separation, and the tip of the plug portion presses the O-ring of the socket portion to maintain airtightness.

The fastening means uses a bolt coupled to the coupling hole, but not only requires time to fasten the plurality of bolts, but if all bolts are not fastened to a uniform degree, a transmission error of an optical signal may occur, and foreign substances may flow in. There was a problem that could be.

In addition, when the fastening means is loosened or damaged during use, the accurate optical signal transmission cannot be guaranteed, and the means for preventing the inflow of foreign objects and moisture are applied only at the connection part of the plug and socket parts, so that both ends of the photoelectric cable There was a problem that can be introduced into the moisture.

In addition, there is a problem in that it is not easy to couple the socket portion and the plug portion to both ends of the photoelectric composite cable, and the bird protection is not made between the plug portion and the photoelectric composite cable coupled to the plug portion, and the socket Since the coupling part and the plug part are made by the fastening means, the phenomenon in which the socket part and the plug part are separated by tension force can be reduced, but in the connection part of the plug part and the photoelectric composite cable, the plug part and the photoelectric composite cable are disconnected by the tensile force. There was a problem that can occur.

The technical problem to be solved by the present invention in view of the above problems, while simultaneously supplying the optical signal and power in a single cable, providing a photoelectric composite connector that is easy to connect with the photoelectric composite cable and coupling the socket portion and the plug portion. Is in.

In addition, the technical problem to be solved by the present invention is to prevent the socket portion and the plug portion from being separated during the cable installation process, and also to prevent foreign substances or moisture from being introduced through the coupling portion of the socket portion and the plug portion and the connection portion between the plug and the cable. To provide a photoelectric composite connector that can improve the reliability.

Another technical problem to be solved by the present invention is to facilitate the connection of the photoelectric composite cable and the socket portion, the photoelectric composite cable and the plug portion, so that the photoelectric composite cable and the socket portion, the photoelectric composite cable and the plug portion indoors, not in the field. It provides a photo-composite connector that can be combined, tested and immediately deployed in the field.

In addition, another technical problem to be solved by the present invention is to double the insulator is inserted into the socket portion and the plug portion to separate the light and the power, and the difference in the hole size provided in each of the dual insulators or the optical cable or By inserting a retainer connected to one end of the power cable to prevent the separation, to provide a photoelectric connector that can improve the convenience of the connection work and improve the reliability of the device.

In addition, another technical problem to be solved by the present invention is to secure the photoelectric composite cable at the rear end of the plug portion, and to provide a fixing portion to prevent rotation, even when the tensile force of the photoelectric composite cable is applied to the tensile force. The present invention provides a photoelectric composite connector which can prevent the plug portion and the photoelectric composite cable from being separated.

In addition, it provides a robust and reliable photovoltaic connector with bird protection required for power lines in certain countries.

The present invention also provides a photoelectric composite connector that can easily inspect the cross section of the optical fiber.

The photoelectric composite connector of the present invention for solving the above problems is a socket portion including an optical socket portion and a socket body portion for providing a power socket portion is inserted into the insulator and electrically separated from each other, coupled to the socket portion, A plug body portion having an optical plug portion inserted into an optical socket portion and a power plug portion inserted into the power socket portion, and coupled to the plug body portion, the tensile force of the photoelectric composite cable is coupled to the optical plug portion and the power plug portion. It is characterized by consisting of a plug portion having a tension fixing to prevent the action.

The photoelectric composite connector of the present invention has the effect of reducing the size of the enclosure of communication equipment by simultaneously supplying an optical signal and power with a single cable, and easily inserting a retainer when connecting the socket portion and the plug portion to the photoelectric composite cable, respectively. It is possible to connect the socket part and the plug part by aligning the direction keys with each other, and then, by coupling the coupling nut, the socket part and the plug part can be combined so that the work is very easy and the time and cost required for the work can be reduced. have.

In addition, the present invention prevents the socket portion and the plug portion from being separated during the cable installation process, and also prevents foreign substances or moisture from entering through the coupling portion of the socket portion and the plug portion and the connection portion between the plug and the cable, thereby improving reliability. It has an effect.

In addition, the present invention facilitates the connection of the photoelectric composite cable and the socket portion, the photoelectric composite cable and the plug portion, and combines and tests the photoelectric composite cable and the socket portion, the photoelectric composite cable and the plug portion in the room and not immediately on the field after the test. By making it possible to install, it is possible to prevent a phenomenon such as foreign matter flows in the field work, thereby improving the reliability of the device.

According to the present invention, an insulator inserted into a socket part and a plug part to separate light and power is provided as well as a differential at a hole size provided in each of the dual insulators, and an optical cable or a power cable is inserted into a retainer connected to one end. It is possible to prevent post-deviation, thereby improving the convenience of the connection work and improving the reliability of the connection state.

In addition, the present invention is provided with a fixing portion that firmly supports the photoelectric composite cable at the rear end of the plug portion and prevents rotation, so that the plug portion and the photoelectric composite cable are connected by the tensile force even when the tensile force of the photoelectric composite cable is applied. Preventing the separation to ensure the reliability of the device and also has the effect of securing the reliability and durability by having the bird protection required for power line installations in the country.

In addition, the present invention provides an intaglio probe coupling groove on the insulator exposed surface of the socket to easily inspect the cross section of the optical fiber, thereby reducing the time required for the inspection as well as the installation.

FIG. 1 is a partial cross-sectional view of a power supply unit of a photoelectric composite connector according to a preferred embodiment of the present invention.

2 is a partial cross-sectional view of the optical connection of the photoelectric connector according to the preferred embodiment of the present invention.

3 is a partial cross-sectional view and a front view of the socket body.

4 is a partial cross-sectional view of the plug body portion.

5 is a plan view of the first insulator.

6 is a cross-sectional view taken along the line A-A in FIG.

7 is a cross-sectional view taken along line B-B in FIG. 5.

8 is a plan view of a second insulator.

9 is a cross-sectional view taken along the line A-A in FIG.

FIG. 10 is a cross-sectional view taken along line B-B in FIG. 8.

11 is a partial cross-sectional view of the power socket portion.

12 is a configuration diagram of a power plug unit.

13 is a partial cross-sectional view of the optical socket portion.

14 is a partial cross-sectional view of the optical plug portion.

15 is a partial cross-sectional view of the tension fixing unit.

16 is a partial cross-sectional view of the bag nut.

* Description of the sign *

100: socket 110: socket body

120: first dust cap 150: first insulator

160: second insulator 170: optical socket portion

180: power socket portion 200: plug portion

210: plug body 220: tension fixing part

230: Back nut 240: Second dust cap

250: third insulator 260: fourth insulator

270: optical plug 280: power plug

EMBODIMENT OF THE INVENTION Hereinafter, this invention photoelectric connector is demonstrated with reference to attached drawing.

1 is a partial cross-sectional view showing a power supply unit of the photoelectric composite connector according to a preferred embodiment of the present invention, Figure 2 is a partial cross-sectional view showing an optical connection of the photoelectric connector according to a preferred embodiment of the present invention It is also.

1 and 2, the first insulator 150 and the second insulator 160 are fixed in the socket body 110, and the first insulator 150 and the second insulator ( The socket portion 100, the plug body portion 210, the tension fixing portion 220, the back nut (160) including the power socket 180 and the optical socket 170, which are electrically separated from each other by 160 230 is coupled and includes a power plug 280 and an optical plug 270 electrically separated from each other by the third and fourth insulators 250 and 260 in the plug body 210. It is configured to include a plug portion 200.

Coupling portions of the socket portion 100 and the plug portion 200 may be provided with a first dust cap 120 and a second dust cap 240 to prevent the inflow of foreign matter, the socket portion 100 and the plug When combining the unit 200 is configured to separate the first dust cap 120 and the second dust cap 240.

Hereinafter, the configuration and operation of the photoelectric connector according to the preferred embodiment of the present invention configured as described above in more detail.

3 is a partial cross-sectional view and a front view of the socket body 110 of the socket part 100.

Referring to FIG. 3, the socket body part 110 of the socket part 100 is a cylindrical structure having a stepped part 112 at an outer side thereof at one end thereof, and a plug part 200 at an outer surface except for the stepped part 112. Is provided with a multi-screw portion 111 that can be combined with.

The multi-screw part 111 is a screw thread is not connected to one but separated into at least two or more to have a shape protruding spirally on the outer surface of the socket body portion 110, it is possible to combine more precisely than the structure having a single screw thread Thus, it is advantageous to prevent loosening or inflow of moisture.

The inner diameter portion of the socket body portion 110 is provided with an insertion limiting portion 114 which protrudes toward the center side and restricts the insertion of the plug portion 200 which is a mating product of the coupling, and the insertion limiting portion 114 toward the rear end side thereof. The first insulator 150 and the second insulator 160 is provided with a space for insertion, the rear end of the space is provided with a ring fastening groove 115 is inserted into the snap ring 116 shown in FIG. .

That is, when the first insulator 150 and the second insulator 160 are inserted, one surface of the first insulator 150 is in contact with the insertion limiting part 114 provided at the front, and the rear end of the second insulator 160 is provided. The first insulator 150 and the second insulator 160 are prevented from being separated by the C-shaped snap ring 116 inserted into the ring fastening groove 115 from the side, and the flow is prevented. The snap ring 116 is a separation preventing means for preventing the separation of the first and second insulators (150, 160), it can perform the same function even if the O-type ring forcibly inserted without using the C-type ring.

A protruding guide portion 119 is provided at an inner diameter portion of the socket body portion 110 so that the coupling direction of the first insulator 150 and the second insulator 160 can be confirmed.

In addition, a plurality of direction keys 117 are provided in the form of a concave groove from one front side of the insertion limiting part 114 to one end coupled to the plug part 200. A portion of the multi-screw portion 111 corresponding to one of the plurality of direction keys 117 to form a positioning key 118 that is a groove, such as a circular to combine the socket portion 100 and the plug portion 200. When the direction of the directional key 117 from the outside with the naked eye to easily check to be able to combine with each other.

Between the multi-threaded portion 111 and the stepped portion 112 of the socket body portion 110 as described above is coupled to the sealing portion 113, which is an elastic ring, the separation prevention portion to prevent the separation of the dust cap 120 121 may be fitted, and a nut 122 for fixing the detachment preventing part 121 is coupled to the multi-screw part 111.

A detailed configuration and operation of the power socket 180 and the optical socket 170 fixed by the first insulator 150 and the second insulator 160 will be described in detail later.

4 is a partial cross-sectional view of the plug body 210.

Referring to FIG. 4, the plug body 210 has a space in which a third insulator 250 and a fourth insulator 260 are accommodated, and a socket body is coupled to the socket body 110. A direction key 214 inserted into the direction key 117 provided at 110 is provided to protrude, and a positioning key 215 indicating the position of the direction key is provided on the outer surface. The positioning key 215 coincides with the positioning key 118 of the socket body 110 described above to help the socket 100 and the plug 200 to be more easily coupled.

In addition, a screw coupling portion 213 to which the tension fixing part 220 is fastened is provided at an outer side of the plug body 210 opposite to the side on which the direction key 214 is provided, and the first coupling nut 211 is provided. 1 and 2) and the insertion groove 211-a and the movement limiting portion 212-a to which the second coupling nut 212 (see FIGS. 1 and 2) are respectively rotatable. Each is provided.

The third and fourth insulators 250 and 260 are guided by the guide part 217 provided in the inner diameter portion of the plug body 210 to have a constant direction, and a snap ring inserted into the ring fastening groove 218 ( 219, see FIGS. 1 and 2).

 The third insulator 250 and the fourth insulator 260 fixed in the plug body 210 are respectively provided to the power socket 180 and the optical socket 170 provided by the socket 100. Coupled to include a power plug 280 and the optical plug 270 that can transmit power and optical signals.

The rear end side of the plug body portion 210 is connected to the tension fixing part 220 and the back nut 230, this configuration will be described first the connection relationship between the plug body portion 210 and the socket body portion 110 Let's do it.

5 is a plan view of the first insulator 150 inserted into the socket body 110, FIG. 6 is a sectional view taken along line A-A in FIG. 5, and FIG. 7 is a sectional view taken along line B-B in FIG.

5 to 7, the first insulator 250 applied to the present invention includes three power connection holes 152 and four optical connection holes 153. At the periphery, a probe insertion groove 154 is provided through which a probe for inspecting a cross section of the optical fiber is inserted.

In addition, a part of the outer surface is provided with a protruding step, and the step is provided with a guide groove 151 into which the guide part 119 provided in the socket body part 110 is inserted, thereby providing a planar circular shape of the first insulator 250. The insertion direction is determined.

The power socket 180 and the optical socket 170 are respectively coupled to the power connection hole 152 and the optical connection hole 152.

8 is a plan view of the second insulator 160, FIG. 9 is a sectional view taken along the line A-A in FIG. 8, and FIG. 10 is a sectional view taken along the line B-B in FIG.

8 to 10, the second insulator 160 also includes a power connection hole 162 into which a part of the power socket unit 180 is inserted and an optical connection hole 163 into which a part of the optical socket unit 170 is inserted. ) Is provided, the guide groove 161 may be provided only in part.

The third insulator 250 described above is the same as or similar to the shape of the first insulator 150, and the fourth insulator 260 is the same as or similar to the shape of the second insulator 160, and thus a detailed description thereof will be omitted.

11 is a partial cross-sectional view of the power socket portion 180 inserted into and fixed to the power connection holes 152 and 162, and FIG. 12 is inserted into a power connection hole of the third and fourth insulators 250 and 260. FIG. It is a block diagram of the power supply plug part 280 fixed.

11 and 12, respectively, the power socket 180 is provided with a socket 181, one end of which is provided with a plurality of cutouts, into which a part of the power plug 280 is inserted, and on the opposite side thereof, a photoelectric composite cable. The coupling groove 182 is provided to the power line is coupled by a method such as welding, the outer surface is provided with a step surface 183 is provided at both ends of the power connection hole (152, 162) of the first and second insulators (150, 160). Departure is prevented.

The power plug 280 is provided with a plug 281 inserted into the socket 181 to supply power, and a coupling groove 282 to which the power line of the photoelectric composite cable is coupled by welding or the like. A stepped surface 283 is formed to prevent the silver from being separated.

By such a configuration, when the socket portion 100 and the plug portion 200 are coupled, the plug 281 of the power plug portion 280 is inserted into the socket 181 of the power socket portion 180, and the plug body portion ( It is fixed by the first coupling nut 211 rotatably provided on the outer surface of the 210.

13 and 14 are partial cross-sectional views of the optical socket 170 and the optical plug 270, respectively.

Referring to FIGS. 13 and 14, the optical socket 170 includes an optical socket 171 into which a part of the optical plug 270 is inserted, a ferrule 172 provided at a rear end of the optical socket, and a buffer at the time of fastening. And a spring 173 providing a restoring force and an optical socket portion 170 having a restoring force in an outward direction while being inserted into the first and second insulators 150 and 160 and providing an inclined surface, thereby leaving the optical socket portion 170. Retaining ring 174 to prevent the stop ring, the stop ring 175 having a step limiting the insertion of the optical socket portion 170, the tube 176 for transmitting the optical signal, and the boot for the connection of the optical fiber 177 is configured.

The optical plug unit 270 includes an optical plug 271 inserted into the optical socket 171, a tube 272 for transmitting an optical signal, a spring 273 providing buffering and restoring force, and an optical plug unit ( Retaining ring 274 to prevent the separation by providing a restoring force and the inclined surface in the outward direction in the state where the 270 is inserted into the third and fourth insulators 250 and 260, and the step of limiting the insertion of the optical plug 270 It includes a stop ring 275 and a boot 276 for the optical fiber connection of the photoelectric composite cable.

By such a configuration, the optical plug 271 of the optical plug 270 is inserted into the optical socket 171, and is in close contact with the restoring force of the spring 273 and the spring 173, so that the optical signal is not lost. Can be delivered.

As such, the present invention inserts the power socket portion 180 and the optical socket portion 170 into the first and second insulators 150 and 160, and the power plug portion 280 and the optical plug into the third and fourth insulators 250 and 260. By inserting the portion 270, the socket portion 100 and the plug portion 200 can be connected to the photoelectric composite cable, respectively, there is an advantage that the connection operation is very easy.

15 is a partial cross-sectional view of the tension fixing unit 220.

The tension fixing part 220 has a cylindrical structure as a whole, and the screw parts 221 and 222 are provided at the inner side and the outer side at the side coupled to the plug body 210. The screw portion 221 is coupled to the screw coupling portion 213 (see FIG. 4) provided in the plug body portion 210, and the screw portion 222 is rotatably coupled to the plug body portion 210. The ring nut 212 is fastened.

When the photocoupling cable is twisted by the coupling of the second coupling nut 212, the plug body 210 and the tension fixing unit 220 may be prevented from being released even if the restoring force is applied in the twisted state. It becomes possible.

Opposite sides of the threaded parts 221 and 222 are provided with fixing parts 223 provided with a plurality of slit grooves. The fixing part 223 is in close contact with the outer surface of the photoelectric composite cable inserted inward by the pressure acting inward when the back nut 230 is coupled to the power plug of the plug body portion 210 even when the tensile force is applied It is possible to prevent the influence of the tensile force on the portion 280 and the optical plug portion 270.

The slit groove of the fixing part 223 has a large width, and the protrusion 224 protruding from both sides of the fixing part 223 may be rubbed against the inner diameter of the back nut 230 to prevent loosening. In addition, the outer diameter portion of the position adjacent to the fixing portion 223 is provided with a screw portion 225 to be coupled to the back nut 230.

 16 is a partial cross-sectional view of the bag nut 230.

The back nut 230 is provided with a threaded portion 231 coupled with the threaded portion 225 of the tension fixing part 220, and an inner ring insertion groove 232 is provided at an inner side thereof with a photoelectric composite cable inserted therein. Foreign matter or moisture can be prevented from entering.

The O-ring insertion groove 232 is provided with an O-ring (R4) as shown in Figures 1 and 2, in addition to the O-ring (R1) in the contact portion of the socket body 110 and the plug body 210, Is provided, O-rings (R2, R3) are also provided between the plug body portion 210 and the tension fixing portion 220 and between the tension fixing portion 220 and the back nut 230, respectively through the coupling portion Moisture can be prevented from entering.

The length of the plug part 200 becomes long when the back nut 230 is coupled, and the length of the photoelectric composite cable wrapped by the plug part 200 becomes relatively long, thereby requiring bird protection required by a specific country. The regulations are met.

In addition, in the above description, each component constituting the socket part 100 and the plug part 200 is preferably made of a corrosion resistant material.

It will be apparent to those skilled in the art that the present invention is not limited to the above embodiments and may be variously modified and modified without departing from the technical spirit of the present invention. will be.

The present invention relates to a photoelectric composite connector that simultaneously connects an optical signal and power, and is particularly easy to combine and use, and includes an anti-loosening function to improve convenience of work, and thus may be industrially applicable.

Claims (20)

A socket portion including a socket body portion respectively inserted into the insulator and electrically disconnecting the optical socket portion and the power socket portion; And A plug body portion coupled to the socket portion and including an optical plug portion inserted into the optical socket portion and a power plug portion inserted into the power socket portion, and coupled to the plug body portion to the optical plug portion and the power plug A photoelectric composite connector comprising a plug portion having a tension fixing portion for preventing the tensile force of the photoelectric composite cable from acting on the portion. The method of claim 1, The socket portion, And a socket body portion having a cylindrical structure in which the insulator is inserted, and an inner diameter of the socket body portion is provided with a guide portion for guiding a correct direction when the insulator is inserted. The method according to claim 1 or 2, The insulator is divided into a first insulator and a second insulator which are in contact with each other to prevent the optical socket part and the power socket part from being separated. And the first and second insulators are prevented from being separated by the separation preventing means. The method of claim 3, The socket body portion and the plug body portion coupled portion is provided with a plurality of direction keys to match each other, And a positioning key indicating a position at which the direction key is matched to a portion of an outer surface of the socket body portion and the plug body portion. The method of claim 3, The socket body portion and the plug body portion, Opto-combined connector, characterized in that the at least two separate threads are coupled by a multi-threaded portion provided. The method of claim 3, The power socket portion, A power supply line is connected at one end thereof, and a power socket into which a portion of the power plug portion is inserted is provided at the other end thereof, and the separation is prevented in a state where the power line is inserted into the insulator by an outer step. The method of claim 3, The optical socket portion, An optical socket into which a part of the optical plug is inserted, a ferrule provided at a rear end of the optical socket, a spring for providing a cushioning and restoring force when fastened, and a restoring force in an outward direction when inserted into the first and second insulators. And a retaining ring that provides a slope to prevent separation, a stop ring having a step limiting insertion of the optical socket portion, a tube for transmitting an optical signal, and a boot for connecting an optical fiber. . The method of claim 7, wherein And a probe insertion groove in which a probe for measuring a cross section of the optical fiber is provided around the optical connection hole into which the optical socket of the first insulator is inserted. The method of claim 3, And a first dust cap covering an end portion connected to the plug body portion of the socket body portion. The method of claim 3, And a first dust cap covering an end portion connected to the plug body portion of the socket body portion. The method of claim 1, The plug portion, Applying pressure to one end of the tension fixing part to pressurize the photoelectric composite cable inserted into the tension fixing part, thereby preventing a back nut from preventing the tensile force of the photoelectric composite cable from affecting the power plug portion and the optical plug portion. It further comprises a photoelectric composite connector. The method according to claim 1 or 11, wherein The plug body portion, The cylindrical structure is inserted into the third and fourth insulators, And a first coupling nut rotatably coupled to an outer surface of the socket body to couple the socket body to the socket body. The method of claim 12, The third and fourth insulators, And the optical plug portion and the power plug portion are inserted so as to be spaced apart from each other at intervals, and prevent separation of the optical plug portion and the power plug portion through a step inside. The method of claim 13, The power plug unit, The power line is connected to one end, the other end is provided with a power plug to be inserted into the power socket, characterized in that the separation is prevented by the outer surface step. The method of claim 13, The optical plug unit, An optical plug having a portion inserted into the optical socket portion, a ferrule provided at a rear end of the optical plug, a spring for providing cushioning and restoring force upon fastening, and a restoring force in an outward direction when inserted into the third and fourth insulators And a retaining ring having an inclined surface to prevent separation, a stop ring having a step limiting insertion of the optical plug, a tube for transmitting an optical signal, and a boot for connecting optical fibers. connector. The method of claim 12, The tension fixing part, A screw portion is provided at each of the inner diameter and the outer diameter portion of the side coupled to the plug body portion, the screw coupling portion provided at the outer diameter of the plug body portion is coupled to the screw portion of the inner diameter, and the second coupling nut provided at the plug body portion is the outer diameter. Opto-composite connector characterized in that the loosening is prevented by being coupled to the screw portion. The method of claim 16, The tension fixing part, Including a fixing portion provided with a plurality of slit grooves in the coupling portion with the bag nut, the fixing portion generates a contact pressure on the outer surface of the photoelectric composite cable by the pressure generated during the coupling of the back nut, the tensile force of the photoelectric composite cable Opto-composite connector, characterized in that to prevent the impact on the plug body portion side. The method of claim 17, The fixing portion, And the stepped portions provided at both sides of the slit groove contact the inner diameter portion of the back nut to prevent loosening of the back nut. The method of claim 18, And a second dust cap blocking a portion coupled to the socket body portion of the plug body portion. The method of claim 18, An engaging portion of the plug body portion with the socket body portion; A coupling part of the tension fixing part with the plug body part, O-rings are respectively provided in the coupling portion of the bag nut with the tension fixing part and in contact with the photoelectric composite cable inside the bag nut.

Images