TWI624704B - An optical fiber splicing appratus - Google Patents

Abstract

The invention relates to an optical fiber connection box comprising a casing and a turntable. The housing is provided with an accommodating space and an opening unit, and the opening unit is configured to pass the two optical fiber groups and enter the accommodating space, wherein the accommodating space is connected to the two optical fiber groups. The portion connecting the two optical fiber bundles to each other is defined as a connecting portion, and the remaining portion is a main body portion. The turntable is connected to the main body, and is rotatably accommodated in the accommodating space and divides the accommodating space into a mounting area and a take-up area, the mounting area is for accommodating the connecting part, and the winding area is provided for And accommodating the portion of the body portion; wherein, when the turntable rotates, a portion of the body portion is driven to be retracted in the receiving portion.

Description

Fiber optic splice box

The invention relates to a fiber optic splice closure.

With the advancement of technology, people are increasingly demanding the quality of digital data, such as high-resolution images. However, high-quality images represent a larger amount of data, making the communication equipment for the old-style communication and transmission of data unable to meet the demand. Therefore, the fiber optic system was later developed to replace the old transmission system. Among them, fiber optic communication has many advantages such as high frequency bandwidth, large communication capacity, anti-electromagnetic interference and fast speed.

It can be understood that when the optical fiber cable is installed, there is bound to be a need for tapping and connection. It is customary that after the two optical fibers are connected, the constructor places the connected portion in the optical fiber connection box for protection, and the remaining The remaining lines are randomly bundled and placed around. This way, not only does the internal environment cause a dirty feeling, but the remaining line is also easily pulled, causing damage to the connected part and affecting the construction quality. There are shortcomings in the practice that need to be improved.

Therefore, it is necessary to provide a novel and progressive fiber optic splice closure to solve the above problems.

The main purpose of the present invention is to provide an optical fiber connection box, which can be used to retract the part (remaining line) of the optical fiber line group exposed outside the casing after being connected to the second optical fiber line group, so as to improve the cleanliness of the construction environment. It can also prevent the remaining line from being pulled by unexpected things, causing the joint to break, thereby improving the construction quality.

To achieve the above object, the present invention provides an optical fiber connection box including a housing and a turntable. The housing is provided with a accommodating space and an opening unit. The opening unit is configured to pass through the two optical fiber groups and enter the accommodating space. The accommodating space is connected to the two optical fiber groups. The two fiber optic line sets are connected to each other by a connecting portion, and the remaining part is a body portion. The turntable is connected to the main body, and is rotatably accommodated in the accommodating space and divides the accommodating space into a mounting area and a take-up area, the mounting area is for accommodating the connecting part, and the winding area is provided for And accommodating the portion of the body portion; wherein, when the turntable rotates, a portion of the body portion is driven to be retracted in the receiving portion.

The following is a description of the possible embodiments of the present invention, and is not intended to limit the scope of the invention as claimed.

Please refer to FIG. 1 to FIG. 6, which illustrate a preferred embodiment of the present invention. The optical fiber connection box of the present invention comprises a casing 1 and a turntable 2.

The housing 1 is provided with an accommodating space 11 and an opening unit 12. The opening unit 12 passes through the two optical fiber groups 8 and enters the accommodating space 11. The accommodating space 11 is provided for the two optical fiber groups. Portions 8 are interconnected therein, and a portion defining the two optical fiber bundles 8 connected to each other is a joint portion 81, and the remaining portion is a body portion 82. The turntable 2 is connected to the main body portion 82, and is rotatably accommodated in the accommodating space 11 and divides the accommodating space 11 into a mounting area 111 and a take-up area 112 for accommodating the splicing The portion 81 of the receiving portion 112 accommodates the portion of the main body portion 82. When the turntable 2 rotates, a portion of the main body portion 82 is wound around the receiving portion, so that the housing 1 can be reduced. The outer part of the body portion 82 (ie, the remaining line) is used to improve the environment after construction. Further, it is possible to prevent the remaining wire from being broken due to the non-attention, so that the joint portion 81 is broken, in other words, the quality after the construction can be ensured.

It should be particularly noted that each of the optical fiber bundles 8 is formed by coating a plurality of bare fibers by a bundle of sleeves. Therefore, it is understood that the connection portion 81 refers to each of the bare fibers exposed outside the bundle of the bundle. In part, the body portion 82 refers to the portion covered by the bundle of tubes.

Next, the housing 1 is described in more detail. The opening unit 12 includes two openings, and the two openings respectively pass through the two optical fiber groups 8 to facilitate the builder to quickly distinguish the two optical fiber groups 8. In addition, in general, the two optical fiber groups 8 that are to be connected to each other are from different directions. Therefore, in the embodiment, the two openings are diagonally arranged and the opening directions of the two openings are reversed. A wide range of mounting angles can be used to smoothly insert each of the optical fiber groups 8 into the accommodating space 11. However, the number of openings can be freely varied depending on the environment of the demand, and the number is not limited.

Preferably, a plug 13 is provided at each of the openings, the plug 13 shielding a portion of the opening and for tightly covering a portion of the optical fiber bundle 8, such that the plug 13 can stabilize the optical fiber bundle 8 The function of the undulation is not arbitrarily blocked, and the foreign matter (such as insects and gravel) is blocked from entering the accommodating space 11 to ensure that the splicing portion 81 in the accommodating space 11 is not damaged. The structure of the joint 81 is complete.

In more detail, the mounting area 111 and the retracting area 112 are arranged to overlap each other in the axial direction of the housing 1. The mounting area 111 is located above the retracting area 112, and the axial direction is horizontal. The opening unit 12 is connected to the take-up area 112 in the opening direction of the opening unit 12, and the turntable 2 is preferably provided with a punching unit 3 for conveniently arranging the connecting portion 81 in the mounting area 111. The punching unit 3 is provided for the two fiber optic strands 8 to pass through the take-up area 112 to enter the mounting area 111. Preferably, the perforating unit 3 includes two perforations, and the two perforations are respectively provided for the two optical fiber groups 8 to avoid interference between the two optical fiber groups 8 , disorder, and difficulty in dividing the wires. Of course, in other embodiments, the two fiber optic line sets 8 can also be disposed through the same through hole.

Preferably, the fiber optic splice case further includes a spacer member 4, and the spacer member 4 at least covers the turntable 2 and defines a configuration space 113 with a base 21 of the turntable 2. The arrangement space 113 accommodates the connecting portion 81. The spacer 4 is interposed between the cover member 14 of the housing 1 and the turntable 2. In this way, when the turntable 2 is rotated to receive a portion (remaining line) of the main body portion 82 outside the optical fiber connection box, the spacer 4 can ensure that the cover member 14 does not rub against the connecting portion 81, so that The integrity of the splicing portion 81 is protected.

In another preferred embodiment, the turntable 2 is further provided with a side wall 22 connecting the base 21 and a plurality of top walls 23, and each of the top walls 23 is connected to the side wall 22 substantially parallel to the base 21. The part of the connecting portion 81 is The top wall 23 is disposed between the top wall 23 and the base 21, and the top wall 23 can restrict the connecting portion 81 from being tilted toward the cover member 14. Similarly, it can be ensured that the connecting portion 81 does not The cover members 14 are in contact with each other.

In this embodiment, as shown in FIG. 4, the turntable 2 is further provided with two mutually symmetric positioning bases 28 and four two-way symmetric connecting portions 29, and each of the positioning bases 28 is configured to position the connecting portion. In the portion 81, each of the connecting portions 29 is fixedly connected to the main body portion 82 to increase the degree of bonding of the turntable 2 to the two optical fiber sets 8. In actual use, the constructor can also bind the connecting portion by using a bundle. 29 and the body portion 82 to further enhance stability.

In addition, the housing 1 is preferably provided with two fixing portions 17 which are symmetrical with each other, and the fixing portions 17 are respectively coupled with a locking nut, such as an expansion screw (commonly known as a gecko). The optical fiber connection box is arbitrarily moved and tumbling without being affected by an external force, and the connection portion 81 in the accommodating space 11 can be stably coupled to the turntable 2.

Next, the rotating structure of the turntable 2 and the housing 1 is described in more detail, wherein a bottom wall 15 of the housing 1 extends in the axial direction with a shaft member 151, and the turntable 2 is further provided with a rotatably The sleeve 25 is sleeved on the shaft member 151, and the sleeve 25 is located in the mounting area 111. The turntable 2 is rotated about the shaft member 151. More specifically, the rotation of the turntable 2 to retract the portion of the body (the remaining line) is the final step, and in order to avoid unintentional rotation of the turntable 2 due to unintentional pulling of the fiber optic line set during construction. In the construction, the bottom wall 15 of the casing 1 is further provided with a first ring tenon 153. The first ring tenon 153 surrounds the shaft member 151, and the inner peripheral wall of the first ring tenon 153 is provided. There is a plurality of ratchet teeth 154, and the turntable 2 is further provided with a check pawl 26 that meshes with the ratchet teeth 154, thereby forcing the turntable 2 to rotate in a fixed direction. It can be understood that the fixed direction is the winding direction.

The second ring of the housing 1 is further provided with a limiting portion 152. The second ring boss 27 and the limiting portion 152 are The radial direction abuts against each other. When the turntable 2 is rotated, the limiting portion 152 can prevent the turntable 2 from shaking, in other words, the rotation stability of the turntable 2 can be improved. In this embodiment, the radial dimension of the second ring tenon 27 is greater than the radial dimension of the first ring tenon 153, and the length of the second ring tenon 27 is in the axial direction. The length ratio of the first ring tenon 153 is between 1.8 and 2.3.

It is worth mentioning that since the connecting portion 81 is relatively weak, there is a certain requirement for the speed and the force when the turntable 2 is rotated. Therefore, in the embodiment, the turntable 2 is recessed with a groove portion 24, and the sleeve 25 is coaxially located with the turntable 2 in the groove portion 24. The drive sleeve 251 is provided with a driving portion 251. The driving portion 251 is provided. It is intended to be combined with a tool 9 which in turn drives the turntable 2 to rotate. The sleeve 25 for driving the coaxial arrangement by holding the tool 9 has the advantages of uniform force application, rotation angle, and easy control of the rotation speed, and can ensure the rotation of the turntable 2 stably. The driving portion 251 is circumferentially disposed on the outer side wall of the sleeve 25 and has a polygonal shape, and the tool 9 drives the turntable 2 by sheathing the driving portion 251.

In addition, the spacer member 4 and the cover member 14 are respectively provided with a consistent hole 5, and the through hole 5 communicates with the mounting area 111 and the tool 9 extends into the driving portion 251, so that After the cover member 14 is covered by the accommodating space 11, the driving portion 251 can be manipulated through the through hole 5 to reduce the opening area, and other items (such as small) can be avoided during the process of winding the remaining line. The entry of the stone into the accommodating space 11 causes a problem that the rotation is not smooth. It can be understood that the fiber optic splice case further comprises a closing member 6 which is detachably coupled to the cover member 14 and shields the two through holes 5, thereby blocking the outside from communicating with the mounting area 111 to prevent construction. After the completion, foreign matter enters the accommodating space 11.

Preferably, a first sealing member 71 is disposed between the sealing member 6 and the cover member 14 to improve the adhesion and prevent liquid from penetrating. In addition, the cover member 14 is also provided with a gap in the wall portion 16 of the housing 1. Therefore, it is preferable to provide a first between the cover member 14 and the wall portion 16. Two seals 72.

In summary, the optical fiber connection box of the present invention can reel the part (remaining line) of the main body portion of the optical fiber line group in the winding area, so as to improve the environment after installation, and avoid pulling the remaining line unattention. fracture. In addition, the rotating base is provided with a positioning seat body, a connecting portion and a top wall to position and protect the structure of the connecting portion, and a spacer is arranged to prevent the connecting portion from being frictionally broken by the cover member, which can be said to be comprehensively considered and solved. The problem.

<TABLE border="1" borderColor="#000000" width="85%"><TBODY><tr><td> 1: Housing 11: accommodating space 111: mounting area 112: retracting area 113: configuration Space 12: opening unit 13: plug 14: cover member 15: bottom wall 151: shaft member 152: limit portion 153: first ring tenon 154: ratchet 16: wall portion 17: fixing portion 2: turntable 21: Substrate 22: side wall </td><td> 23: top wall 24: groove portion 25: bushing 251: driving portion 26: check pawl 27: second ring tenon 28: positioning seat body 29: joint portion 3 : perforating unit 4: spacer 5: through hole 6: closing member 71: first sealing member 72: second sealing member 8: optical fiber strand set 81: connecting portion 82: main body portion 9: tool </td> </tr ></TBODY></TABLE>

1 is a perspective view of an embodiment of the present invention. Figure 2 is an exploded view of Figure 1. Figure 3 is a partial perspective view of Figure 2. 4 is a schematic view of a mounting area according to an embodiment of the present invention. Figure 5 is a schematic side view of the cross-sectional view of Figure 1. FIG. 6 is a schematic diagram of a winding area of a winding area according to an embodiment of the present invention.

Claims (8)

An optical fiber connection box includes: a casing, an accommodating space connected to each other, and an opening unit, wherein the opening unit is configured to pass the two fiber optic line groups and enter the accommodating space, wherein the accommodating space is for the two optical fiber lines The portions of the group are connected to each other, and the portion connecting the two optical fiber groups to each other is a connecting portion, and the remaining portion is a body portion; a turntable is connected to the body portion and rotatably accommodated in the body Separating the space into a mounting area and a roll receiving area, the mounting area is for accommodating the connecting portion, and the winding receiving area is for accommodating a portion of the body portion; wherein, when the turntable is rotated, the space is driven A portion of the body portion is retracted in the receiving portion; wherein a bottom wall of the housing extends in an axial direction with a shaft member, and the turntable further has a sleeve rotatably sleeved on the shaft member, The sleeve is located in the mounting area, the turntable is rotated about the shaft member, and the bottom wall of the shell is further provided with a first ring tenon, the first ring tenon surrounds the shaft member, and the first ring convex portion There is a plurality of ratchets on the inner wall of the raft, and the turntable has another The non-return ratchet pawl in engagement, and thus force the wheel train rotated in a fixed direction, the fixing system for the take-up direction direction. The fiber optic splice case of claim 1, further comprising a spacer, the spacer at least covering the turntable and defining a configuration space with a base of the turntable, the configuration space for accommodating the connecting portion, the spacing The piece is between a cover of the housing and the turntable. The fiber optic splice case of claim 1, wherein the mounting area and the retracting area are overlapped in an axial direction of the housing, the mounting area being located above the retracting area, the axial direction The opening unit is transverse to the opening direction of the opening unit, and the opening unit is connected to the winding area. The rotating wheel is provided with a punching unit, and the punching unit is configured to pass through the winding area to enter the mounting area. The fiber optic splice case of claim 1, wherein the turntable is further provided with a second ring tenon, and the bottom wall of the casing is further provided with a limiting portion, the second ring tenon and the limiting portion are in the diameter Abut each other in the direction. The fiber optic splice case of claim 1, wherein the bushing is provided with a driving portion for coupling with a tool, and the tool drives the turntable to rotate. The fiber optic splice case of claim 5, further comprising a spacer, the spacer at least covering the turntable and defining a configuration space with a base of the turntable, the configuration space for accommodating the connecting portion, the spacing The member is disposed between the cover member of the housing and the turntable; the spacer member and the cover member respectively have a consistent hole, the through hole communicates with the mounting portion and the tool extends into the driving portion. The fiber optic splice case of claim 6, further comprising a closure member detachably coupled to the cover member and shielding the two through holes to block the outside from communicating with the mounting area. The fiber optic splice case of claim 7, wherein the driving portion is circumferentially disposed on an outer side wall of the sleeve and has a polygonal shape; the mounting area and the retracting area are along an axial direction of the housing In an overlapping configuration, the mounting area is located above the retracting area, the axial direction is transverse to the opening direction of the opening unit, and the opening unit is connected to the retracting area, and the rotating wheel is provided with a perforating unit. The unit is configured to pass through the take-up area to enter the installation area; the opening unit includes two openings, the two openings are diagonally disposed, and the opening directions of the two openings are opposite, the two openings Provided for the two fiber optic line sets respectively, a plug is disposed at each of the openings, the plug shielding a portion of the opening and for tightly covering a portion of the fiber optic line set; the perforating unit includes two perforations, the two perforations Providing the two fiber optic line sets respectively; the bottom wall of the casing is further provided with a first ring tenon, the first ring tenon surrounds the shaft member, and the inner peripheral wall of the first ring tenon is provided with a plurality of a ratchet, the turntable is additionally provided with a meshing engagement with the ratchet The pawl is reversed, which in turn forces the turntable to rotate in a fixed direction, which is the winding direction. The second rotating ring is further disposed on the bottom of the casing, and the bottom wall of the casing is further provided with a limiting portion, the second annular ring and the limiting portion abut each other in a radial direction; the second annular convex The radial dimension of the crucible is greater than the radial dimension of the first ring tenon, and the ratio of the length of the second ring tenon to the length of the first ring tenon is between 1.8 and 2.3 in the axial direction. The turntable is recessed with a groove portion, the sleeve is coaxially located with the turntable at the groove portion; the casing is further provided with four fixed portions symmetrical with each other, and each of the fixed portions is provided with a lock The locating body is coupled to the locating body and the two symmetrical connecting portions, and the locating body is configured to position the connecting portion, and the connecting portion is fixed. Connecting the body portion; the turntable is further provided with a side wall connecting the base and a plurality of top walls, each of the top walls is connected to the side wall parallel to the base, and the connecting portion is disposed on the top wall and the base Providing a first sealing member between the sealing member and the cover member, the cover member is disposed on a wall portion of the housing, and a second sealing member is disposed between the cover member and the wall portion .