KR100748560B1 - Fiber optic splice - Google Patents

Abstract

The present invention relates to an optical fiber splicing apparatus, comprising: a housing (10) comprising a pair of walls (12) spaced at regular intervals and a bottom plate (14) connecting lower ends of the walls (12); A lower cover 20 disposed on an upper surface of the bottom plate 14 and provided with an optical guide line 22 and an optical line alignment part 24 on both sides of the upper plate; An upper cover 30 covering an upper surface of the lower cover 20 and having an optical guide line 32 formed on a lower surface thereof; And an upper end of the upper cover 30, the one end of which is hinged to the wall 12 and the other end of the upper cover 30 to be detachably coupled to the wall 12. In the optical fiber connecting device comprising a pressing lever 40 capable of pressing and releasing the upper surface, the bottom plate 14 of the housing 10 is disposed at the lower center of the wall 12. Both end portions of the wall are further provided with a cover pressing section 50 for pressing and fixing the cover 8b of the optical core wire 8a. Therefore, the optical fiber can be easily and easily connected to each other through the guide structure for the optical fiber without visual confirmation by the operator, and the connection state is firm, and the optical fiber can be connected and separated through the pressure release structure. Effects such as re-use are possible for connection with the optical fiber.

Description

Apparatus for connecting up optical fibers}

1 is a perspective view showing an optical fiber splicing apparatus according to an embodiment of the present invention.

2 is an exploded perspective view showing an optical fiber splicing apparatus according to an embodiment of the present invention.

3 is a cross-sectional view showing a state before the optical fiber is inserted between the upper, lower cover of the optical fiber connecting apparatus according to an embodiment of the present invention.

4 is a cross-sectional view illustrating a state in which optical fibers are inserted between upper and lower covers of an optical fiber connecting apparatus according to an embodiment of the present invention and the optical core lines of the tip portions thereof are arranged in the optical fiber alignment line.

5 is a cross-sectional view showing a state in which the pressing lever and the coating pressing lever of the optical fiber connection device according to an embodiment of the present invention at the same time is pressed and fixed at the same time the optical core and the coating.

6 is a perspective view illustrating a multi-structure optical fiber splicing apparatus in which a plurality of optical fiber splicing apparatuses are connected in a lateral direction as another embodiment of the present invention.

** Description of the symbols for the main parts of the drawings **

8: optical fiber 8a: optical fiber

8b: sheath 10: housing

12 wall 12a fixing hole

14: bottom plate 20: lower cover

22: optical line guide 24: optical line alignment

30: upper cover 32: optical fiber guide portion

34: contact protrusion 40: pressure lever

41: fixed protrusion 42: pressure pin

44: hinge pin 50: cover pressure

51: pedestal 51a: cloth insertion hole

51b: engaging jaw 52: covering arrangement

53: cloth pressing lever 53a: hinge pin

53b: pressing projection 53b1: pressing portion

53b2: release pressure 53c: locking projection

100: multi-housing 112: wall

140: pressure lever 153: cover pressure lever

The present invention relates to an optical fiber splicing apparatus, and more particularly, by inserting and connecting two strands of optical fibers between the upper and lower covers of the splicing apparatus in opposite directions to each other, to primarily press-fix and fix the optical core at the central portion of the splicing apparatus. The present invention relates to an optical fiber splicing device which press-fixes the coating of optical cores at both ends of the device, and also releases the pressurization thereof as necessary to separate the connection of the optical fiber.

In general, an optical fiber is a fiber-shaped optical waveguide for the purpose of transmitting light, a portion having a high refractive index near the center called a core, and a clad. It consists of parts with a low refractive index, called light, which propagates through the core, repeating total reflection at the core and cladding.

Such optical fiber is hard to eavesdropping without interference or interference by external electromagnetic waves, it is small and light, strong in bending, and can accommodate many communication lines in one optical fiber, and is also strong in changes in the external environment. The raw material of is very abundant and its utility is very high.

On the other hand, there are various types of connection methods depending on the location and purpose used for the connection of such optical fibers and the requirements of the system.

Among them, a fusion splicing method is one of the prior art connection methods. The fusion splicing method is a permanent connection that utilizes optical fiber uniformity and guarantees reliability, and has a high optical function and reliable connection.

 However, the fusion splicing method of the prior art is difficult and cumbersome because of the bonding process after the operator has to check the alignment state of the optical fiber with the naked eye, and it is impossible to reuse once connected because of the bonding. There was a problem such as.

SUMMARY OF THE INVENTION The present invention has been made to solve this problem, and the two optical fibers are inserted between the upper and lower covers of the connecting device in opposite directions to each other so that the optical cores of the respective ends are connected to each other by a predetermined guide structure. By pressing and fixing the respective optical cores at the center of the connecting device, and secondly pressing and fixing the optical fiber coating covering the optical cores at both ends of the connecting device again so that the alignment of the optical fiber in the transverse direction is not disturbed. By releasing these pressures as necessary to separate the connection of the optical fiber, the connection between the optical core wires is made simple and easy through the guide structure for the optical fiber without visual confirmation by the operator, and at the same time, the connection state is firm, In addition, the connection and disconnection of the optical fiber through the pressure release structure It is an object of the present invention to provide an optical fiber splicing apparatus that is capable of being reused for connection with other optical fibers.

The optical fiber connection device of the present invention for achieving the above object comprises a housing consisting of a pair of walls spaced at regular intervals and a bottom plate connecting the lower end of the wall; A lower cover disposed on an upper surface of the bottom plate and having a large diameter optical line guide portion formed at both sides of the upper surface thereof, and a central line aligned portion having a small diameter at the center thereof; An upper cover covering an upper surface of the lower cover and having an optical guide line for guiding the optical line along with the optical guide line of the lower cover; And a press lever disposed at an upper portion of the upper cover to press and release the upper end of the upper cover through a pressure pin while one end thereof is hinged to the wall and the other end is detachably coupled to the wall. In the optical fiber connecting apparatus, the bottom plate of the housing is disposed at the lower center portion of the wall, and both ends of the wall are further provided with a cover pressing portion for pressing and fixing the cover of the optical core wire.

In addition, in the optical fiber connecting apparatus according to the present invention, the cover pressing portion is disposed at the same height as the upper cover is formed integrally with the wall and the pedestal formed through the insertion hole in the outer end; A covering arrangement portion that is a bottom space of the pedestal leading to the covering insertion hole and the optical core guide portion of the upper and lower covers; And a pressing protrusion disposed below the coating arrangement part, the one end of which is hinged to the wall by a hinge pin, and the other end of which is hinged so as to be detachably caught on the pedestal, and to press and fix the cover of the optical core wire at a predetermined position. It is preferable to comprise a cover pressure lever.

Further, in the optical fiber connecting device according to the present invention, the pressing projection is formed in the radially extending from the outer circumference of the hinge pin and arc-shaped pressing portion for protruding to the coating arrangement side when pressing the coating pressure lever to press the coating; It is preferable that the pressure release portion is formed continuously in a circular arc direction and is formed of a planar pressure release portion that is horizontally spaced below the coating arrangement portion and spaced apart from the coating when the coating pressure lever is released.

In addition, in the optical fiber connecting device according to the present invention, it is preferable that a locking projection is formed on the other end surface of the covering pressure lever, and a locking projection is formed below the covering insertion hole of the pedestal corresponding thereto.

In addition, in the optical fiber connecting device according to the present invention, it is preferable that fixing protrusions are formed on both side surfaces of the other end of the pressure lever fixedly coupled to the wall, and a fixing hole in which the fixing protrusion is inserted and fixed is formed on the corresponding wall. .

In addition, in the optical fiber connecting device according to the present invention, it is preferable that a contact protrusion is formed on the upper surface of the upper cover so that the pressure contact with the upper pressure pin is more accurate.

In addition, in the optical fiber connecting device according to the present invention, it is preferable that the contact protrusion is formed over the entire lengthwise direction on the upper surface of the upper cover.

Hereinafter, the present invention will be described with reference to the accompanying drawings.

As shown in FIGS. 1 to 5, an optical fiber splicing apparatus according to an embodiment of the present invention includes a housing 10 including a pair of walls 12 and a bottom plate 14, and a bottom of the housing 10. A lower cover 20 disposed on an upper surface of the plate 14 and provided with an optical guide 22 and an optical alignment line 24 on an upper surface thereof, and covering an upper surface of the lower cover 20 with The upper cover 30 having the optical fiber guide part 32 formed thereon, and the pressing lever 40 and the housing 10 disposed above the upper cover 30 to press and release the upper surface of the upper cover. The cover pressurizing part 50 formed in the both ends of () is comprised.

The housing 10 includes a pair of square plate-shaped walls 12 spaced apart from each other to allow the lower cover 20, the upper cover 30, and the pressure lever 40 to be disposed therebetween. It consists of a bottom plate 14 connecting the center of the lower end of the wall (12).

In addition, the upper end of each wall 12 of the housing 10, that is, the pressure lever 40 is pressed between both walls 12 of the housing 10 between the pressure lever 40 and the upper cover 30. Pressing the pin 42 to press the upper surface of the upper cover 30 while being pressed down elastically finely by the downward, and the pressing lever 40 to rotate the hinge relative to the center of the longitudinal direction of the wall 12, respectively Hinge pins 44 are provided symmetrically with each other.

Here, the pressing pin 42 and the hinge pin 44 are each formed in a cylindrical shape.

In addition, the pressing pin 42 is preferably formed of a flexible material to be pressed down finely elastically by the pressing of the pressing lever 40.

In addition, fixing holes 12a are formed at both ends of the wall 12 so that the fixing protrusions 41 of the pressing lever 40 are inserted and fixed.

The lower cover 20 has a rectangular bar shape disposed on an upper surface of the inner bottom plate 14 of the housing 10, and on both sides of the upper cover, a semi-circular circular arc-shaped optical guide 22 having a large diameter along the longitudinal direction is provided. It is formed in the center is provided with a semi-circular arc-shaped optical line alignment portion 24 having a small diameter.

The upper cover 30 has a pair of rectangular bar shapes covering the upper surface of the lower cover 20, and each of the lower covers the optical core line 8a together with the optical line guide part 22 of the lower cover 20. The optical fiber guide portion 32 is formed in the shape of a semi-circle to cover and guides the optical fiber line 8,

In addition, the upper surface of the upper cover 30 protrudes a predetermined length upwards on the upper surface of the upper cover 30 so that the pressure contact with the upper pressing pin 42 is more precise, and has a rod shape formed over the entire length direction. The contact protrusion 34 is provided.

 The pressure lever 40 has a pair of square bar shapes disposed on the upper cover 30, each end of which is hinged to the housing 10 by a hinge pin 44, and the other end thereof is connected to the housing 10. Fixing protrusions 41 which are detachably coupled to each fixing hole 12a of) are formed, and press and release the upper surface of the upper cover 30 through respective pressing pins 42 provided below the fixing protrusions 41. It is supposed to be.

Herein, the fixing protrusion 41 may be elastically inserted into and separated from the fixing hole 12a of the housing 10.

The cover pressing unit 50 is for pressing and fixing the cover 8b of the optical core 8a at both ends of the wall of the housing 10. The cover pressing unit 50 will be described in detail as follows.

The cover pressing portion 50 is disposed at the same height as the upper cover 30, integrally formed with the wall 12, the base 51 is formed through the cover insertion hole 51a through the outer end, and the cover insertion The covering arrangement part 52 which is an empty space formed in the bottom surface of the base 51 which leads to the ball 51a and the optical fiber guide parts 22 and 32 of the upper and lower covers 20 and 30, and this covering arrangement part. It is disposed below the 52 so that one end is hinged to the wall 12 by the hinge pin (53a), the other end is hinged to be detachably caught on the pedestal 51, and the optical core (8a) at a predetermined position The cover pressurizing lever 53 is provided with a pressurizing protrusion 53b for pressing and fixing the cover 8b.

In addition, the coated pressure lever 53 protrudes outward from both ends of the housing 10 so that the other end thereof covers the outside of the pedestal 51.

Here, the pressing protrusion 53b extends radially from the outer circumference of the hinge pin 53a to protrude toward the space side of the coating arrangement portion 52 when pressing the covering pressure lever 53 to pressurize the covering 8b. A circular press-shaped pressurizing portion 53b1, which is formed successively along the arc direction in the pressurizing portion 53b1, and horizontally at a position spaced apart at a predetermined interval from below the coating arrangement portion 52 when the pressurizing pressure lever 53 is released. It consists of a planar pressure release portion 53b2 spaced apart from the coating (8b).

Then, the other end surface of the cover pressure lever 53 is formed with a locking projection 53c protruding inward to the hinge pin (53a) side of the cover pressure lever 53, the cover insertion of the pedestal 51 corresponding thereto Under the ball 51a, a locking step 51b protruding outward is formed so that the locking protrusion 53c is caught.

In the optical fiber splicing apparatus of the present invention according to the above configuration, the lower cover 20 and the upper cover 30 are sequentially disposed on the bottom plate 14 between the two walls 12 of the housing 10, and the upper portion 30 is disposed in this order. After the pressing pins 42 are mounted between the walls 12 that are the upper portions of the cover 30, the pressing levers 40 are hinged by the hinge pins 44.

Then, the cover pressure lever 53 is hinged to the wall 12 by another hinge pin 53a to complete the assembly of the optical fiber connecting device of the present invention.

When the optical fiber connecting device of the present invention is assembled as described above, when the two different strands of optical fiber 8 are connected, the ends of the pressing lever 40 and the covering pressing lever 53 on both sides are flipped up and down, respectively. The optical fibers 8a and the optical fibers 8a and 8b are exposed to the ends of the optical fibers 8 so that the optical fibers 8a and 8b are exposed at the distal ends thereof. The guides 32 and 22 are guided to the optical line alignment unit 24 so that both optical core lines 8a are connected.

Then, the upper pressure lever 40 is hinged downward so that the fixing projections 41 of the pressure lever 40 are fixed to each of the fixing holes 12a and at the same time adjacent to the pressure lever 40. While the pressure pin 42 positioned below is elastically pressed downwards, the contact protrusion 34 of the upper cover 30 is pressed downward, and finally, between the upper cover 30 and the lower cover 20. The optical fiber 8 is firmly pressed while the optical fiber 8 is placed on the optical fiber alignment portion 24 of the optical fiber line 8.

Then, when the lower cover pressing lever 53 is hinged outward with respect to the hinge pin 53a, the locking projection 53c at the end is fixed to the locking jaw 51b of the pedestal 51. The pressing portion 53b1 protruding convexly in the arc shape of the pressing projection 53b rotated as described above protrudes into the coating arrangement portion 52 on which the coating 8b is placed, so as to firmly press the outer circumferential surface of the coating 8b. do.

This finally results in a state of secondaryly supporting the connection and coupling state between the optical cores 8a, so that the alignment between the optical cores 8a is not disturbed with respect to the pulling force in the lateral direction.

When the connection between the optical fibers 8 is to be released, when the respective coupling levers 40 and the cover pressing levers 53 are released from each other, the pressing on the optical cores 8a and 8b is simultaneously performed. The release of the optical fibers (8) from the connection device will be able to block the connection.

On the other hand, Figure 6 is another embodiment of the present invention, forming a multi-housing housing having a shape connecting a plurality of housings, and correspondingly a plurality of pressure lever 140 disposed between each wall (112) And the cover pressure lever 153 can be connected to each other even for a plurality of optical fibers.

As described above, in the optical fiber splicing apparatus of the present invention, the two optical fibers are inserted between the upper and lower covers of the splicing apparatus in opposite directions so that the optical cores of the respective ends are connected to each other by a predetermined guide structure. At the center of the connecting device, each optical fiber is pressed and fixed, and the optical fiber coating covering the optical fiber at the both ends of the connecting device is again pressed and fixed so that the alignment of the optical fiber in the transverse direction is not disturbed. By releasing these pressures, the optical fiber can be disconnected, thereby making it easy and easy for the optical cores to be connected to each other through the guide structure for the optical fiber without visual confirmation by the operator. Through the pressure release structure, it is possible to connect and disconnect the optical fiber Effects such as re-use are possible for connection with the optical fiber.

Claims (7)

A housing (10) comprising a pair of walls (12) spaced at regular intervals and a bottom plate (14) connecting lower ends of the walls (12); A lower cover 20 disposed on an upper surface of the bottom plate 14 and having an optical guide line 22 having a large diameter on both sides of the upper plate, and an optical line alignment part 24 having a small diameter at the center thereof; An upper cover which covers an upper surface of the lower cover 20 and has an optical guide line 32 formed to guide the optical line 8a together with the optical guide line 22 of the lower cover 20 on the bottom surface thereof. 30); And The upper surface of the upper cover 30 through the pressing pin 42 is disposed on the upper cover 30 and one end thereof is hinged to the wall 12 and the other end is detachably coupled to the wall 12. A pressure lever 40 capable of pressing and releasing pressure; In the optical fiber connection device configured to include, The bottom plate 14 of the housing 10 is disposed at the lower center portion of the wall 12, and both ends of the wall have a cover pressing portion 50 for pressing and fixing the cover 8b of the optical core 8a. Optical fiber connection device further comprising. The method of claim 1, The cover pressing unit 50, A pedestal 51 disposed at the same height as the upper cover 30 and integrally formed with the wall 12 and having a cover insertion hole 51a penetrated at an outer end thereof; A covering arrangement portion 52 which is a bottom space of the pedestal 51 leading to the covering insertion hole 51a and the optical fiber guide portions 22 and 32 of the upper and lower covers 20 and 30; And It is disposed below the covering arrangement 52, one end of which is hinged to the wall 12 by a hinge pin 53a, the other end of which is hinged to be detachably hooked to the pedestal 51, and to a predetermined position. A cover pressing lever 53 provided with a pressing protrusion 53b for pressing and fixing and releasing the covering 8b of the core wire 8a; Optical fiber connection device characterized in that configured to include. The method of claim 2, The pressing protrusion 53b, An arc-shaped pressing portion 53b1 extending radially from the outer circumference of the hinge pin 53a and protruding toward the coating arrangement portion 52 when pressing the covering pressure lever 53 to press the coating 8b; The pressure release portion 53b1 is formed in a row in the arc direction in the pressing portion 53b1 and is horizontally formed below the covering arrangement portion 52 and spaced apart from the coating 8b when the covering pressure lever 53 is released. Optical fiber connection device characterized in that consisting of. The method of claim 2, The locking projection (53c) is formed on the upper surface of the other end of the cover pressure lever (53), the optical fiber connecting device characterized in that the locking projection (51b) is formed below the cover insertion hole (51a) of the support 51 corresponding thereto. The method of claim 1, Fixing protrusions 41 are formed on both sides of the other end of the pressure lever 40 which are fixedly coupled to the wall 12, and fixing holes 12a in which the fixing protrusions 41 are inserted and fixed to the wall 12 corresponding thereto. The optical fiber connection device, characterized in that formed. The method of claim 1, Optical connection device, characterized in that the contact protrusion 34 is formed on the upper surface of the upper cover 30 so that the pressure contact with the upper pressure pin (42) is more accurate. The method of claim 6, The contact protrusions 34 are formed on the upper surface of the upper cover 30, characterized in that the optical fiber connection device is formed over the entire length direction.

Images