KR100871836B1 - Apparatus for connecting up optical fibers - 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 disposed on an upper surface of the inner bottom plate 14 of the housing 10 and having a large diameter optical fiber guide portion 22 formed in both sides of the upper surface thereof and having a small diameter optical line alignment portion 24 in the center thereof. 20; The optical fiber guide part which covers the upper surface of the lower cover 20 and covers the optical fiber 8 together with the optical fiber guide part 22 of the lower cover 20 to guide the optical fiber 8. An upper cover 30 formed with 32; And an upper end of the upper cover 30, one end of which is hinged to the housing 10 by a hinge pin 42, and the other end of which is detachably coupled to the fixing pin 44 of the housing 10. The pin 46 is configured to include a pressure lever 40 which is capable of pressing and releasing the upper surface of the upper cover. Therefore, the optical fiber guide structure can be easily and easily connected to each other by the guide structure of the optical fiber without the naked eye of the operator. Also, the optical fiber can be connected and separated through the pressure release structure to connect the other optical fibers. Effects such as re-use are possible.

Fiber Optic Splicer, Housing, Upper Cover, Lower Cover, Pressing Lever

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 optical fiber wires of the tip portions thereof are connected to each other.

5 is a cross-sectional view illustrating a state in which optical fibers are pressed and fixed by an upper cover in a state in which optical pressure wires are connected to each other at the same time when the pressing lever is pressed in the optical fiber connection device according to the embodiment of the present invention.

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

8: optical fiber 8a: optical fiber

10 housing 12 wall

14: bottom plate 16: release prevention jaw

18: clearance gap 20: lower cover

22: optical fiber guide portion 24: optical fiber alignment portion

26: optical fiber guide portion 30: the top cover

32: optical fiber guide 34: optical fiber guide

40: pressure lever 40a: fixed pin coupling portion

42: hinge pin 44: fixed pin

46: pressure pin

The present invention relates to an optical fiber splicing apparatus, and more particularly, inserts two strands of optical fibers between upper and lower covers of the splicing apparatus 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 fibers so that these optical fibers can be connected, and at the same time to release the pressure of the optical fibers to separate the connection, the connection between the optical cores through the guide structure for the optical fiber without the human eye check The present invention relates to an optical fiber splicing device that can be made simply and easily, and that the optical fiber can be connected and separated through a pressure release structure so that it can be reused for connection with other optical fibers.

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 lightweight, strong in bending, can accommodate many communication lines in one optical fiber, and is also strong in changes in the external environment. Since the raw material is very rich, 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.

The present invention has been made to solve this problem, and the two optical fibers are inserted between the upper and the lower cover of the connecting device in the opposite direction to each other so that the optical core wires of the respective front ends are connected to each other by a predetermined guide structure. By pressing and fixing the optical fibers of the optical fiber so that they can be connected at the same time to release the connection by pressing the optical fiber as necessary, it is easy to connect the optical cores through the guide structure for the optical fiber without the naked eye check. The present invention provides an optical fiber connecting apparatus that can be easily and easily made, and that the optical fiber can be connected and separated through a pressure release structure, and thus reusable 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 inner bottom plate of the housing, and having a large diameter optical fiber guide portion formed on both sides of the upper surface thereof, and having a small diameter optical line alignment portion at a center thereof; An upper cover which covers an upper surface of the lower cover and has an optical fiber guide part for guiding the optical fiber in a shape of covering the optical fiber together with the optical fiber guide part of the lower cover; And an upper end of the upper cover, the one end of which is hinged to the housing by a hinge pin, and the other end of which is detachably coupled to the fixing pin of the housing, to press and release the upper surface of the upper cover through the pressing pin. It is configured to include a pressure lever.

In addition, in the optical fiber connecting device according to the present invention, it is preferable that a separation prevention jaw for preventing the lower cover and the upper cover from being detached to the outside on both inner side surfaces of each wall of the housing.

In addition, in the optical fiber connecting device according to the present invention, a semi-funnel-shaped optical core wire connecting the large diameter portion and the small diameter portion between the optical fiber guide portion and the optical fiber alignment portion of the lower cover to guide the optical fiber wire It is preferable that a guide is provided.

Further, in the optical fiber connecting device according to the present invention, the optical fiber guide portion of the upper cover is symmetrical with the optical fiber guide portion of the lower cover, respectively provided on both sides of the bottom surface of the upper cover and a half funnel shape at the end facing the center portion thereof. It is preferable that the optical line guide portion of is formed.

In the optical fiber connecting apparatus according to the present invention, it is preferable that an optical fiber line alignment part is further formed between the optical fiber guide parts on both sides of the upper cover.

In addition, in the optical fiber splicing apparatus according to the present invention, it is preferable that the upper cover is composed of a pair divided symmetrically on both sides with respect to the central portion of the lower cover.

In addition, in the optical fiber connecting device according to the present invention, the pressing pin is a rod-shaped connecting between both the wall of the housing between the pressing lever and the upper cover, it is made of a flexible material to be pressed downward by pressing the pressing lever. desirable.

In addition, in the optical fiber connecting device according to the present invention, it is preferable that the pressing levers are hinged to both ends of the housing with respect to the center of the housing so as to be paired to press the upper covers on both sides.

In addition, in the optical fiber connecting device according to the present invention, the fixing pin is a rod-shaped connecting between the both walls of the housing, the outer peripheral surface of the fixing pin is elastically wrapped and coupled to the bottom of the pressure lever corresponding thereto It is preferable that the fixed pin coupling portion is formed.

Further, in the optical fiber connecting device according to the present invention, it is preferable that a minute gap is formed between the pressing pin and the upper cover below.

In addition, in the optical fiber splicing apparatus according to the present invention, the diameter size formed by the optical fiber guide portion of the lower cover and the upper cover is formed smaller than the diameter size of the optical fiber inserted into this diameter so that the upper cover toward the pressing pin when the optical fiber is inserted. It is desirable to be pushed up.

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 an inner bottom of the housing 10. A lower cover 20 disposed on an upper surface of the plate 14 and provided with an optical fiber guide portion 22 and an optical fiber alignment portion 24 on an upper surface thereof, and covering an upper surface of the lower cover 20 with an optical fiber on a lower surface thereof; The upper cover 30 is formed with a guide portion 32 and the pressing lever 40 is disposed on the upper cover 30 so as to pressurize and release the upper surface of the upper cover.

The housing 10 has a pair of square plate-shaped walls 12 spaced at predetermined intervals such that the lower cover 20, the upper cover 30, and the pressure lever 40 can be disposed therebetween. And the bottom plate 14 connecting the lower end of the wall 12.

In addition, semicircular cylinders extending upward and downward in order to prevent the lower cover 20 and the upper cover 30 disposed between them on the inner side surfaces of both walls 12 of the housing 10 are separated from the outside. Departure preventing jaw 16 of the shape is formed in a form facing each other.

In addition, an upper end portion of each of the walls 12 of the housing 10, that is, between both the walls 12 of the housing 10 between the pressure lever 40 and the upper cover 30, is in the longitudinal direction of the walls 12. Hinge pins 42 for hinge pivoting the pressure lever 40, respectively, with respect to the center of the fixed pins 44 engaging with the fixed pin coupling portion 40a of the pressure lever 40, and these hinge pins ( 42 is provided between the fixing pins 44 and the pressing pins 46 symmetrically provided to press the upper surface of the upper cover 30 while being elastically pressed downwards by the pressing lever 40. have.

Here, the hinge pin 42, the fixing pin 44 and the pressing pin 46 are each formed in a cylindrical shape.

In addition, the pressing pin 46 is preferably formed of a flexible material so as to be pressed down finely elastically by the pressure of the pressing lever 40.

In this way, a fine spacing 18 is formed between the pressing pin 46 and the upper cover 30 below the pressing pin 46 so that the pressing pin 46 flows up and down finely.

In addition, the pressing pin 46 is slightly larger in diameter than the fixing pin 44 so that the pressing lever 40 can be pressed downward by the pressing lever 40 in a fixed state coupled to the fixing pin 44. Or slightly above the fixing pin 44.

On the other hand, in the present invention is to press the upper cover 30 through the pressing pin 46 configured to be separated from the pressing lever 40 separately, in addition to this configuration to remove the pressing pin 46 and the bottom surface of the pressing lever 40 It may be to form an integral pressure protrusion on the upper cover 30 to pressurize.

In addition, the pressing pin 46 has a stronger pressure on the upper cover 30 so that the optical fiber 8 is firmly coupled to the housing 10 (adjacent lever (42) of the pressing lever 40) It would be desirable to be installed in principle).

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 semi-circular arc-shaped optical fiber guides 22 having a large diameter along the longitudinal direction are formed on both sides of the upper cover. In the center, a semi-circular arc-shaped optical line alignment portion 24 having a small diameter is provided.

In addition, the large diameter portion and the small diameter portion are connected between the optical fiber guide portion 22 and the optical line alignment portion 24 of the lower cover 20 so that the optical line 8a is connected to the optical line alignment portion 24. A semi funnel-shaped optical line guide portion 26 is provided to facilitate the guide.

The upper cover 30 has a pair of square bar shapes covering the upper surface of the lower cover 20, and each of the lower covers covering the optical fiber 8 together with the optical fiber guide part 22 of the lower cover 20. The optical fiber guide part 32 which guides the optical fiber 8 in the shape of a semicircular arc is formed, and the optical fiber guide part 26 is formed at a portion corresponding to the optical fiber guide part 26 of the lower cover 20. A half funnel-shaped optical line guide portion 34 is provided to allow the optical line 8a to be easily guided to the optical line alignment portion 24.

 On the other hand, as another embodiment of the present invention, the optical fiber (8) together with the optical fiber alignment portion 24 in the portion corresponding to the optical fiber alignment portion 24 of the lower cover 20 of the bottom of the upper cover 30 Optical line alignment portion (not shown) may be further formed to align the optical line (8a) of the ().

In addition, the diameter size formed by the optical fiber guides 22 and 32 of the lower cover 20 and the upper cover 30 is formed to be smaller than the diameter size of the optical fiber 8 inserted into the diameter to the optical fiber 8 The upper cover 30 is pushed up toward the pressing pin 46 during insertion.

The pressure lever 40 has a pair of square bar shapes disposed on the upper cover 30, one end of each of which is hinged to the housing 10 by a hinge pin 42, and the other end of the housing ( Removably coupled to each of the fixing pins 44 of 10) is provided so as to pressurize and release the upper surface of the upper cover through the respective pressing pins 46 provided below.

In addition, fixing pin coupling portions 40a are formed on the bottom of the rotational end of each of the pressure levers 40 so as to be elastically wrapped around the fixing pins 44 of the housing 10 and to be separated from each other.

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 through the two walls 12 of the housing 10. After each of the hinge pins 42, the fixing pins 44, and the pressing pins 46 are installed between the wall 12, which is the upper portion of the upper cover 30, in particular, the hinge pins 42 have pressing levers ( 40) is hinged to complete the assembly.

When the optical fiber connecting device of the present invention is assembled as described above, when connecting two different strands of optical fiber 8, first, the ends of both pressure levers 40 are flipped upward so that the pressure on the pressure pins 46 is released. Then, stripping the coating of each of the optical fibers 8 so that the optical core line 8a is exposed at its distal end, so that these optical core lines 8a are formed by the upper and lower covers 30 and 20 on both sides. When inserted into the parts 32 and 22, the upper cover 30 is pushed upward by the outer diameter of the optical fiber 8 and is upwardly lifted upward as the optical fiber 8 is inserted. The optical fiber 8 is inserted and the optical fiber 8a at its tip passes through the optical fiber guides 32 and 22 and consequently through the optical fiber guides 26 and 34. Guided to the core liner 24, where two optical cores 8a are connected to each other. At this time, when the pressure lever 40 is hinged downward, the fixing pin coupling portion 40a of the pressure lever 40 is fixed to each of the fixing pins 44, and at the same time, the pressure lever 40 Pressing pins 46 positioned adjacent to the lower side are elastically pressed downwards to press the upper cover 30 below the optical fiber which is finally placed between the upper cover 30 and the lower cover 20. The outer peripheral surface of 8) is firmly pressed while completing the connection between the optical fibers 8.

On the other hand, if you want to release the connection between the optical fiber (8), simply release the coupling of the pressing lever 40 is fixedly coupled to the fixing pin 44 at the same time the pressure to the pressing pin 46 is released In this case, the optical fibers 8 can be drawn out from the connection device to release the connection.

As described above, the optical fiber splicing apparatus of the present invention inserts two strands of optical fibers between the upper and lower covers of the splicing apparatus 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 optical fibers so that these optical fibers are connected, the optical fibers can be released by pressing the optical fibers as needed, and the optical fiber can be easily connected to each other through the guide structure for the optical fibers without the naked eye. It is easily made, and also through the pressure release structure, the connection and separation of the optical fiber is possible to obtain the effect of being reused for connection with other optical fibers.

Claims (11)

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); The optical fiber guide part 24 is disposed on the upper surface of the inner bottom plate 14 of the housing 10, and optical fiber guide parts 22 are formed on both sides of the upper surface of the housing 10 in the longitudinal direction, and are smaller in diameter than the optical fiber guide part 22. A lower cover 20 provided with; The optical fiber guide part which covers the upper surface of the lower cover 20 and covers the optical fiber 8 together with the optical fiber guide part 22 of the lower cover 20 to guide the optical fiber 8. An upper cover 30 formed with 32; And The pressure pin is disposed on the upper cover 30 and one end thereof is hinged to the housing 10 by a hinge pin 42, and the other end thereof is detachably coupled to the fixing pin 44 of the housing 10. A pressure lever 40 configured to pressurize and release the upper surface of the upper cover through the 46; Optical fiber connection device configured to include. The method of claim 1, An optical fiber splice device, characterized in that a separation prevention jaw (16) is formed on the inner surface of both ends of the wall (12) on both ends of the housing (10) to prevent the lower cover (20) and the upper cover (30) from being separated to the outside. The method of claim 1, The optical fiber guide portion 22 and the optical fiber alignment portion 24 of the lower cover 20 connect the optical fiber guide portion 22 and the optical fiber alignment portion 24 to each other to guide the optical core wire 8a. Optical fiber splice device, characterized in that the optical fiber guide portion 26 of the semi-funnel shape to be provided. The method of claim 3, The optical fiber guide part 32 of the upper cover 30 has a shape symmetrical with the optical fiber guide part 22 of the lower cover 20, and is provided at both sides of the bottom surface of the upper cover 30, and ends facing the center part thereof. Optical fiber connecting device characterized in that the optical fiber guide portion 34 of the half funnel shape. The method of claim 4, wherein Optical fiber connection device, characterized in that the optical fiber line alignment portion is further formed between the optical fiber guide portion (34) on both sides of the upper cover (30). The method of claim 3, The upper cover 30 is an optical fiber connection device, characterized in that consisting of a pair divided symmetrically on both sides with respect to the center portion of the lower cover (20). The method of claim 6, The pressing pin 46 is a rod-shaped connecting the both walls 12 of the housing 10 between the pressing lever 40 and the upper cover 30, pressed downward by the pressing of the pressing lever 40. Optical fiber splice device, characterized in that made of a flexible material. The method of claim 7, wherein The pressing lever 40 is hinged to both ends of the housing 10 with respect to the center of the housing 10, respectively, a pair of optical fibers, characterized in that made of a pair to press the upper cover 30 on both sides Device. The method of claim 8, The fixing pin 44 has a rod shape connecting the two walls 12 of the housing 10, and elastically wrapped around the outer circumferential surface of the fixing pin 44 on the bottom of the pressure lever 40 corresponding thereto. And a fixed pin coupling part 40a formed to be separated from the optical fiber connection device. The method of claim 7, wherein The optical fiber connection device, characterized in that the gap between the pressing pin 46 and the upper cover (30) formed below. The method of claim 10, The diameter size formed by the optical fiber guides 22 and 32 of the lower cover 20 and the upper cover 30 is formed to be smaller than the diameter size of the optical fiber 8 inserted into the diameter so that the optical fiber 8 is inserted. The upper cover 30 is optical fiber splicing apparatus, characterized in that pushed up toward the pressing pin 46.

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