WO2012155359A1

WO2012155359A1 - Cap-type optical cable connection box

Info

Publication number: WO2012155359A1
Application number: PCT/CN2011/074340
Authority: WO
Inventors: 李峰; 邵海波; 刘灿胜
Original assignee: 深圳日海通讯技术股份有限公司
Priority date: 2011-05-19
Filing date: 2011-05-19
Publication date: 2012-11-22

Abstract

A cap-type optical cable connection box comprises a base (1) and a tubular case (2) arranged on the base (1). An optical cable passage (11) for the optical cable passing in and out is provided on the base (1). A fixed support (4) is provided on the upper portion of the base (1). One side of the fixed support (4) is fixedly connected with a fixed panel support (5), and the other side is rotatably connected with a movable panel support (6) provided opposite to the fixed panel support (5). A plurality of optical fiber fusion splicing units (7) are provided on the fixed panel support (5) and the movable panel support (6) respectively. The cap-type optical cable connection box has a high capacity, and can be expanded at any time. Since the movable panel support (6) can be rotated relative to the base (2), the operation is easy.

Description

Cap type cable connector box

Technical field

This invention relates to fiber optic cable splice closures and, more particularly, to a cap type cable splice closure.

Background technique

Internet and wireless technologies are significantly enhancing the ability to interconnect information. These technologies are exponentially growing globally, need to support the traffic generated by hundreds of millions of users, and billions of digital data are transmitted globally, through switches, long distances. Fiber, metro, and many other access technologies are implemented. The connection between the optical fiber and the optical fiber, and the connection between the optical fiber and the device are all realized by the connector. As the information interconnection explosively grows, the density of the optical fiber connection also needs to be continuously improved, that is, to achieve more in a unit volume. Multiple fiber connections.

The internal structure of the existing cap-type cable connector box is unreasonable, and the internal space of the cap-type cable connector box is not properly utilized, resulting in a limited capacity of the cap-type connector box, which cannot meet the needs of large-capacity high-density fiber optic connection.

Summary of the invention

The technical problem to be solved by the present invention is to provide a large-capacity optical cable connector box for the above-mentioned drawbacks of the prior art cap type cable connector box.

The technical solution adopted by the present invention to solve the technical problem thereof is: constructing a cap type optical cable joint box, comprising a base and a cylindrical casing disposed on the base; The base is provided with a cable passage for the cable to enter and exit. The upper portion of the base is provided with a fixing bracket. One side of the fixing bracket is fixedly connected to a fixed panel bracket, and the other side is rotatably connected to a movable panel bracket. The panel bracket is disposed opposite to the movable panel bracket, and the fixed panel bracket and the movable panel bracket are respectively provided with a plurality of fiber fusion splicing units.

In the cap type cable connector box of the present invention, each of the fiber fusion splice units includes a splice tray holder and a fiber splice tray, and the fiber splice tray is rotatably connected to the splice tray holder, and the splice tray is fixed The seat is fixed on the fixed panel bracket or the movable panel bracket.

In the cap type cable connector box of the present invention, Each of the fixed panel bracket and the movable panel bracket includes two oppositely disposed angled members and a plurality of transverse plates for connecting the two angled members, and the two of the angled members are formed for setting a receiving groove of the welding plate fixing seat, wherein two ends of the welding plate fixing seat are respectively fixedly connected with the two corner pieces .

In the cap type cable connector box of the present invention, the horizontal plate of the fixed panel bracket is provided with a winding fiber tray.

In the cap type cable connector box of the present invention, There are two winding discs, and the two winding discs are disposed opposite each other, and each of the winding discs comprises a semi-circular disc body and a flap extending outward from the edge of the disc body.

In the cap type cable connector box of the present invention, the upper end of the fixed panel bracket is provided with a 'U' shaped positioning component, the 'U' The shaped positioning member is provided with a threaded hole, and the upper end of the movable panel bracket is provided with a fixing screw that cooperates with the threaded hole.

In the cap type cable connector box of the present invention, The upper end of the fixed panel bracket is provided with a first ear piece, and the upper end of the movable panel bracket is provided with a second ear piece, and the first ear piece and the second ear piece are respectively provided with strip holes, and the cap type The cable connector box further includes a flexible strap fixed at one end to the first ear and at the other end to the second ear .

In the cap type cable connector box of the present invention, the movable panel bracket and the fixed bracket are connected by a hinge.

In the cap type cable connector box of the present invention, The cable channel includes a cylindrical section extending downwardly from the base, the cylinder section having a seal assembly for sealing between the cable and the cylinder section.

In the cap type cable joint box of the present invention, the seal assembly includes a first pressure plate, a second pressure plate, a bolt, and a cylinder made of an elastic material, the center of the cylinder being provided to extend along an axis thereof a central hole, the cylinder is further provided with at least one cable entry hole parallel to its axis, a center of the first pressure plate is provided with a first through hole through which the bolt passes, and the first pressure plate is further provided with a second through hole corresponding to the cable hole, a center of the second pressure plate is provided with a threaded hole that cooperates with the bolt, and the second pressure plate is further provided with a third through hole corresponding to the cable entry hole The first pressure plate and the second pressure plate are respectively located at two ends of the cylinder, and the bolt sequentially passes through the first pressure plate, the cylinder, the second pressure plate, and the first pressure plate and the cylinder The second pressure plate is locked together.

The cap type optical cable connector box embodying the invention has the following beneficial effects: the cap type optical cable joint box of the invention has reasonable internal structure, large capacity, and can be expanded at any time, and the movable panel bracket can be rotated relative to the base, and the operation is convenient.

DRAWINGS

The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:

Figure 1 is a schematic illustration of a preferred embodiment of a cap type cable splice closure of the present invention;

Figure 2 is a schematic view showing the internal structure of a preferred embodiment of the cap type cable splice closure of the present invention;

Figure 3 is a second schematic diagram of the internal structure of a preferred embodiment of the cap type cable connector box of the present invention;

4 is a schematic view showing a movable panel bracket in a preferred embodiment of the cap type cable connector box of the present invention;

Figure 5 is a second schematic view of the preferred embodiment of the cap type cable connector box of the present invention when viewed between the movable panels;

Figure 6 is a schematic view showing the internal optical fiber of a preferred embodiment of the cap type cable splice closure of the present invention;

Figure 7 is a schematic view showing the sealing structure between the base and the optical cable of the preferred embodiment of the cap type cable connector box of the present invention;

Figure 8 is a schematic illustration of a seal assembly in a preferred embodiment of the cap-type cable splice closure of the present invention.

detailed description

For a better understanding of the technical features, objects and effects of the present invention, the embodiments of the present invention are described in detail with reference to the accompanying drawings.

1 to 7, a preferred embodiment of the cap type cable splice closure of the present invention. In the preferred embodiment, the cap type cable splice closure includes a base 1 and a cylindrical shape disposed on the base 1. The housing 2, the housing 2 and the base 1 are fixedly connected by a hoop 21, it being understood that the housing 2 and the base 1 can also be connected by means of a screw connection. Two mounting ears 22 are provided on the housing 2 to facilitate the suspension and fixing of the cable connector box. Of course, the cable connector box can also fix the base 1 to an object to be fixed. The base 1 is provided with cable passages for the cable 3 to enter and exit. In the present embodiment, the cable passages are cylindrical segments 11 extending downwardly from the base 1, and the cable 3 is introduced into the cable splice closure by the cylinder segments 11.

In the present embodiment, the upper portion of the base 1 of the cable connector box is provided with a fixing bracket 4, which may be a sheet metal member, which is stamped from a metal plate, and the fixing bracket 4 is fixed to the base 1 by screws. One side of the fixing bracket 4 is fixedly connected to a fixed panel bracket 5, and the other side is rotatably connected to a movable panel bracket 6. The fixed panel bracket 5 is disposed opposite to the movable panel bracket 6. In this embodiment, the movable panel bracket 6 is The fixing bracket 4 is connected by the hinge 41, and the movable panel bracket 6 can be rotated around the rotating shaft 411 of the hinge 41. It should be understood that the connection manner of the movable panel bracket 6 and the fixing bracket 4 is not limited to the manner in which the hinge 41 is connected. It can be any other conventionally applicable rotary joint structure. The fixed panel bracket 5 and the movable panel bracket 6 are respectively provided with a plurality of fiber fusion splicing units 7 for connecting the optical fibers thereon.

In this embodiment, each of the fiber fusion splicing units 7 includes a fusion splicing plate holder 70 and a fiber splicing disk 71. The fiber splicing disk 71 is rotatably coupled to the splicing plate holder 70, and the splicing plate holder 70 is fixed to the fixing. On the panel bracket 5 and the movable panel bracket 6, the optical fibers are welded in the optical fiber splice tray. The structure of the fixed panel bracket 5 and the movable panel bracket 6 are substantially the same, and both include two oppositely disposed angled members 51 and a plurality of transverse plates 53 for connecting the two angled members 51, two angular members 51 and a plurality of horizontal members The slats form a frame structure, and a receiving groove is formed between the two horns 51 for arranging the splicing plate fixing base 70 of the fiber splicing unit 7. The two ends of the splicing plate fixing base 70 are respectively fixedly connected with the two angled pieces 51, specifically Can be connected by screws. The number of the fiber fusion splicing units 7 can be set as needed, or the mounting position can be reserved on the fixed panel bracket 5 and the movable panel bracket 6, or the fiber fusion splicing unit 7 can be preset for the purpose of expansion. The fiber-optic connection mode of the optical cable connector box of this embodiment is as shown in FIG. 6. The optical fiber 31 does not cross before entering the optical fiber fusion-disc 71, and enters the optical fiber fusion-disc 71 to cross in the optical fiber fusion-distribution disk, which is easy to construct, and the optical fiber fusion-disc is turned over. It is also not easy to damage the fiber.

In this embodiment, in order to facilitate the storage of a portion of the optical fiber, a winding disk 55 is disposed on the horizontal plate 53 of the fixed panel bracket 5. In this embodiment, two winding disks 55 are disposed opposite each other. Each of the fiber winding trays 55 includes a semi-circular disk body 550 and a blocking piece 551 extending outward from the edge of the disk body 550. The blocking piece 551 prevents the optical fibers from being scattered from the winding fiber tray 55, thereby avoiding confusion of the disk. .

In the embodiment, the upper end of the fixed panel bracket 5 is provided with a 'U'-shaped positioning member 54. The 'U'-shaped positioning member 54 is provided with a threaded hole 541, and the upper end of the movable panel bracket 6 is provided with a threaded hole. The fixing screw 601 of the 541 is fixed, and the upper end of the movable panel bracket 6 can be fixed to the fixed panel bracket 5 by the fixing screw 601. The fixing screw 601 is preferably a captive screw, that is, the screw can be movably disposed on the movable panel bracket 6. The connection between the upper end of the movable panel bracket 6 and the upper end of the fixed panel bracket 5 can also be fixed in any other conventional manner, such as a snap-on structure, a lashing structure or the like. In order to limit the rotation of the movable panel bracket 6 and prevent the movable panel bracket 6 from rotating excessively, a first ear piece 501 may be disposed at an upper end of the fixed panel bracket 5, and a second ear piece 602 is disposed at an upper end of the movable panel bracket 6. The first ear piece 501 and the second ear piece 602 are respectively provided with strip-shaped holes, and a flexible strap 8 is added between the movable panel bracket 6 and the fixed panel bracket 5. The flexible strap 8 is fixed at one end to the first ear piece. The other end of the 501 is fixed to the second tab 602, and the flexible strap 8 may be a nylon belt or a webbing made of other materials, such as a canvas belt or the like. When the movable panel bracket 6 needs to be flipped, the fixing screw 601 is loosened, and the upper end of the movable panel bracket 6 is loosened from the fixed panel bracket 5, so that the movable panel bracket 6 can be flipped. At this time, the flexible strap 8 is in tension. , with reference to Figures 4 and 5. After the movable panel bracket 6 is turned over, the disk operation space of the fiber winding tray 55 can be increased, and construction and maintenance are performed.

Referring to Figures 7 and 8, in the present embodiment, in order to provide a good sealing performance for the cable splice closure, a seal assembly 9 is provided in the cylindrical section 11 of the base 1 for the cable entry and exit. The sealing assembly 9 includes a first pressing plate 91, a second pressing plate 92, a bolt 93, and a cylindrical body 90 made of an elastic material. The cylindrical body 90 needs to have good elastic deformation ability, and can have excellent elastic deformation such as rubber or silica gel. Made of materials. The center of the cylinder 90 is provided with a central hole 901 extending along its axis. The cylinder 90 is further provided with at least one cable entry hole 902 parallel to its axis. In this embodiment, the plurality of cable holes 902 are distributed in a plurality. A first through hole 911 through which the bolt 93 passes is disposed in the center of the first pressure plate 91. The first pressure plate 91 is further provided with a second through hole 912 corresponding to the cable entry hole 902, and the second pressure plate The center of the 92 is provided with a threaded hole 921 that cooperates with the bolt 93. The second pressure plate 92 is further provided with a third through hole 922 corresponding to the cable entry hole 902. The first pressure plate 91 and the second pressure plate 92 are respectively located in the cylinder 90. At both ends, the bolts 93 sequentially pass through the first pressure plate 91, the cylinder 90, and the second pressure plate 92, and lock the first pressure plate 91, the cylinder 90, and the second pressure plate 92 together. In use, the sealing assembly 9 sequentially passes the optical cable 3 through the second through hole 912 of the first pressure plate 91, the cable entry hole 902 of the cylinder 90, and the third through hole 922 of the second pressure plate 92, and the bolt 93 passes through the bolts 93 in sequence. The first through hole 911 and the center hole 901 are then threadedly engaged with the threaded hole 921, and the bolt 93 is tightened to the first pressure plate 91 and the second pressure plate 92 respectively attached to the two ends of the cylinder 90, and the cylinder 90 is not deformed. The sealing assembly 9 is then integrally placed into the cylindrical section 11, and the bolts 93 are further tightened so that the first pressure plate 91 and the second pressure plate 92 are pressed against the cylindrical body 90 by the both ends of the cylindrical body 90, and the cylindrical body 90 is pressed. The radial expansion is in close contact with the inner wall of the cylindrical section 11, and the central hole 901 and the cable entry hole 902 are closely attached to the bolt 93 and the optical cable 3, respectively, so that a good sealing effect can be achieved. The optical cable connector box of the utility model can enter and exit various types of optical cables such as ordinary optical cables, leather cables, and air blowing cables.

The cap type optical cable connector box of the invention has reasonable internal structure, large capacity, and can be expanded at any time, and the movable panel bracket can be rotated relative to the base, and the operation is convenient.

The embodiments of the present invention have been described above with reference to the drawings, but the present invention is not limited to the specific embodiments described above, and the specific embodiments described above are merely illustrative and not restrictive, and those skilled in the art In the light of the present invention, many forms may be made without departing from the spirit and scope of the invention as claimed.

Claims

A cap type cable joint box comprises a base (1) and a cylindrical casing (2) disposed on the base (1), wherein the base (1) is provided with a cable passage for the cable (3) to enter and exit, The upper part of the base (1) is provided with a fixing bracket (4), one side of the fixing bracket (4) is fixedly connected to a fixed panel bracket (5), and the other side is rotatably connected to a movable panel bracket ( 6) The fixed panel bracket (5) is disposed opposite to the movable panel bracket (6), and the fixed panel bracket (5) and the movable panel bracket (6) are respectively provided with a plurality of fiber fusion splicing units (7) .
The cap type cable splice closure according to claim 1, wherein each of said fiber fusion splicing units (7) comprises a splice tray holder (70) and a fiber splice tray (71), said fiber splice tray (71) ) is rotatably coupled to the splice tray mount (70), and the splice tray mount (70) is fixed to the fixed panel bracket (5) or the movable panel bracket (6).
A cap-type cable splice closure according to claim 2, wherein each of said fixed panel bracket (5) and said movable panel bracket (6) comprises two oppositely disposed angled members (51). And a plurality of horizontal plates (53) for connecting the two angled members (51), between the two of the angled members (51) forming a receiving groove for arranging the welding plate holder (70), Both ends of the splice tray holder (70) are fixedly connected to the two angle members (51), respectively.
The cap type cable connector box according to claim 3, characterized in that the horizontal plate (53) of the fixed panel holder (5) is provided with a winding disc (55).
The cap type cable connector box according to claim 4, wherein the fiber reel (55) has two, and the two fiber reels (55) are disposed opposite each other, each of the windings. The fiber tray (55) includes a semi-circular disk body (550) and a flap (551) extending outwardly from the edge of the disk body (550).
The cap type cable splice closure box according to claim 1, wherein the upper end of the fixed panel bracket (5) is provided with a 'U'-shaped positioning member (54), and the 'U'-shaped positioning member (54) A threaded hole (541) is provided, and the upper end of the movable panel bracket (6) is provided with a fixing screw (601) that cooperates with the threaded hole (541).
The cap type cable connector box according to claim 1, wherein the upper end of the fixed panel bracket (5) is provided with a first ear piece (501), and the upper end of the movable panel bracket (6) is provided with a first end Two ear pieces (602), the first ear piece (501) and the second ear piece (602) are respectively provided with strip holes, and the cap type cable joint box further comprises one end fixed to the first ear piece (501). The flexible strap (8) that is attached to the second tab (602) at the other end.
The cap type cable splice closure according to claim 1, characterized in that the movable panel bracket (6) and the fixed bracket (4) are connected by a hinge (41).
The cap type cable splice closure according to claim 1, wherein said cable passage comprises a cylindrical section (11) extending downwardly from said base (1), said cylindrical section (11) being provided There is a seal assembly (9) for the seal between the cable (3) and the cylinder section (11).
A hat type cable splice closure according to claim 9, wherein said seal assembly (9) comprises a first pressure plate (91), a second pressure plate (92), a bolt (93), and is made of an elastic material. a cylinder (90) having a center hole (901) extending along an axis thereof, the cylinder (90) further provided with at least one cable entry hole parallel to its axis (902) a first through hole (911) through which the bolt (93) passes is disposed at a center of the first pressure plate (91), and the first pressure plate (91) is further provided with the cable entry hole (902) a corresponding second through hole (912), a center of the second pressure plate (92) is provided with a threaded hole (921) that cooperates with the bolt (93), and the second pressure plate (92) is further provided with a third through hole (922) corresponding to the cable entry hole (902), the first pressure plate (91) and the second pressure plate (92) are respectively located at two ends of the cylinder (90), The bolt (93) sequentially passes through the first pressure plate (91), the cylinder (90), the second pressure plate (92), and the first pressure plate (91), the cylinder (90), a second plate (92) locked together.