Optical cable fixing device for optical cable fusion box
Technical Field
The invention belongs to the technical field of optical communication equipment, and particularly relates to an optical cable fixing device for an optical cable fusion box.
Background
With the continuous increase of information transmission quantity and broadband service requirements and the requirement of fiber-to-the-home construction, the laying area of an optical fiber communication line is more and more extensive, which directly results in large usage amount and wide application range of equipment for optical fiber connection and positioning, and the optical cable fusion box is equipment for optical cable fusion connection in the field of optical communication.
The invention provides a splice closure which has firm optical cable fixation and can well protect the connection of two optical cables, aiming at solving the problem that the optical cable fusion connection is firm and the normal and high-efficiency work of an optical communication line is easily influenced by the erosion of the external environment.
Disclosure of Invention
The invention aims to provide an optical cable fixing device for an optical cable fusion box.
The purpose of the invention can be realized by the following technical scheme:
an optical cable fixing device for an optical cable fusion box comprises a box body and optical cables, wherein a cabinet door in sliding connection is installed on one surface of the box body, two communicating pipes are oppositely installed on two opposite side walls of the box body, the two optical cables are respectively fixed and then fused through a clamping device after entering the box body through the two communicating pipes, and a connecting piece is sleeved at the joint of the two optical cables;
the communicating pipe comprises an outer sleeve, one end of the outer sleeve is connected with a first positioning ring, a conduit is inserted in the outer sleeve, one end of the conduit is connected with a second positioning ring, the second positioning ring is connected with the first positioning ring, one end of the outer sleeve, which is opposite to the first positioning ring, is screwed with a tail end clamping head, the tail end clamping head is arranged outside the box body, the tail end clamping head comprises a straight cylinder part and compression pieces, one end of the straight cylinder part is connected with two compression pieces, a compression gap is reserved between the two compression pieces, elastic rubber rings are mounted on inner rings of the compression pieces, and retaining rings are mounted on outer rings of the compression pieces;
the connecting piece comprises a first protection piece, a second protection piece and a fastening spring, wherein the first protection piece is connected with the second protection piece, and the fastening spring is arranged between the first protection piece and the second protection piece;
the first protection part is provided with a first spring limiting groove at one end communicated with the first connecting groove, and a first buckle is further mounted on the first protection part;
the one end of second protection piece is the second sealed tube, and the second sealed tube is opened there is the injecting glue hole, the inside of second protection piece is second spread groove and the second bonding groove of mutual switch-on, the second protection piece is opened there is the spacing groove of second spring in the one end of switch-on second spread groove, still installs the second buckle that corresponds first buckle on the second protection piece.
As a further scheme of the invention, a sealing heat-preservation adhesive tape or a magnetic stripe is installed on the side edge of the cabinet door, and an actuation adhesive tape and a magnetic stripe are installed on the box body corresponding to the sealing heat-preservation adhesive tape or the magnetic stripe.
As a further scheme of the invention, the clamping device comprises a base, two stress plates are slidably mounted on the base, arc plates are respectively mounted on opposite surfaces of the two stress plates, a plurality of rubber rings are mounted on concave surfaces of the arc plates, the two stress plates are connected through a tensioning spring, and a screw rod is further mounted between the two stress plates.
As a further aspect of the present invention, the number of the first fasteners is at least two, and a plurality of the first fasteners are distributed on the first protection member in an annular array.
In a further aspect of the present invention, the first protection member is attached to the interface end of one optical cable, the second protection member is attached to the interface end of the other optical cable, and the interface between the two optical cables is protected in the cable cover by engaging the first protection member with the second protection member.
As a further aspect of the present invention, the assembling method of the optical cable fixing device includes the steps of:
inserting two optical cables into the box body from communicating pipes at two ends of the box body respectively, inserting one optical cable into the first protection part, inserting the other optical cable into the second protection part, after the two optical cables are welded, buckling the first protection part and the second protection part, and injecting epoxy resin glue into the first bonding groove, the second bonding groove and the joint of the first protection part and the second protection part respectively;
fixing the optical cable through a clamping device, wherein the optical cable between the clamping device and the connecting piece is in a loose state;
epoxy resin glue is injected into the tail end clamping head through the compression gap, and then the water blocking tape is wound outside the compression sheet, so that the compression sheet tightly clamps the optical cable, and the compression gap is sealed.
The optical cable fixing device for the optical cable fusion box has the beneficial effects that on one hand, the optical cable fixing device can play a good fixing effect on the optical cable without applying excessive clamping force on the surface of the optical cable, the structure of the optical cable cannot be damaged, and meanwhile, the device can well protect the connection part of the optical cable and prevent the optical cable from being corroded by the external environment to influence the normal work of an optical communication line.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the communication pipe;
FIG. 3 is a schematic view of the structure of the clamping device;
FIG. 4 is a partial schematic view of the clamping device;
fig. 5 is a schematic view of the structure of the connector.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides an optical cable fixing device for optical cable splice box, as shown in fig. 1, includes box body 1 and optical cable 5, install sliding connection's cabinet door on the one side of box body 1, install two communicating pipes 2 on the double-phase relative lateral wall of box body 1 relatively, two optical cables 5 get into the inside back of box body through two communicating pipes 2, weld behind the fixed position through clamping device 3 respectively, the cover is equipped with connecting piece 4 on the junction of two optical cables 5.
As shown in fig. 2, the communication pipe 2 includes an outer sleeve 21, a joint between the outer sleeve 21 and the box body 1 is welded, one end of the outer sleeve 21 is connected with a first positioning ring 23, a conduit 22 is inserted into the outer sleeve 21, one end of the conduit 22 is connected with a second positioning ring 24, the second positioning ring 24 is connected with the first positioning ring 23 through a screw thread structure, a terminal clamping head 25 is screwed on one end of the outer sleeve 21 opposite to the first positioning ring 23, the terminal clamping head 25 is arranged outside the box body 1, the terminal clamping head 25 includes a straight tube portion 2501 and a compression piece 2502, a screw thread groove is arranged on an inner ring of the straight tube portion 2501, two compression pieces 2502 are connected to one end of the straight tube portion 2501, a compression gap 2503 is left between the two compression pieces 2502, the compression pieces 2502 are made of spring steel, an elastic rubber ring is arranged on an inner ring of the compression piece 2502, a retaining ring is arranged on an outer ring of the compression piece 2504, during installation, the compression sheet 2502 can tightly clamp the optical cable 5 by wrapping a water-blocking tape around the outside of the compression sheet 2502, the water-blocking tape can also seal the compression gap 2503, and the blocking ring 2504 can effectively prevent the water-blocking tape from sliding out of the end clamping head 25.
As shown in fig. 3, the clamping device 3 includes a base 31, the base 31 is fixed at the bottom of the box body 1, two stress plates 32 are slidably mounted on the base 31, circular arc plates 33 are respectively mounted on opposite surfaces of the two stress plates 32, a plurality of rubber rings 34 are mounted on concave surfaces of the circular arc plates 33, so that friction between the clamping device 3 and the optical cable 5 can be improved, and the optical cable is prevented from being excessively extruded by the clamping device to cause structural damage to the optical cable, two stress plates 32 are connected through a tension spring 36, when the two circular arc plates 33 are in contact, the tension spring 36 is in a tension state, the optical cable is tightly clamped by force generated by a resetting trend of the tension spring 36, a screw rod 35 is further mounted between the two stress plates 32, the two stress plates 32 are far away from each other by rotating the screw rod 35, and the optical cable is conveniently placed.
The connecting element 4 comprises a first protection element 6, a second protection element 7 and a fastening spring 8, wherein the first protection element 6 is connected with the second protection element 7, and the fastening spring 8 is arranged between the first protection element 6 and the second protection element 7;
the first protection member 6 is provided with a first sealing tube 62 at one end, the first sealing tube 62 is provided with a glue injection hole 64, the first protection member 6 is internally provided with a first connecting groove 65 and a first bonding groove 66 which are communicated with each other, the cross-sectional diameter of the first bonding groove 66 is larger than that of the first connecting groove 65, the first protection member 6 is provided with a first spring limiting groove 67 at one end communicated with the first connecting groove 65, the first protection member 6 is provided with a first outlet hole 63 at one end communicated with the first bonding groove 66, the first protection member 6 is further provided with first buckles 61, the number of the first buckles 61 is at least two, and a plurality of the first buckles 61 are distributed on the first protection member 6 in an annular array.
The second protection member 7 has a second sealing tube 74 at one end thereof, the second sealing tube 74 is provided with a glue injection hole 64, the second protection member 7 has a second connecting groove 72 and a second bonding groove 71 which are communicated with each other inside, the cross-sectional diameter of the second bonding groove 71 is larger than that of the second connecting groove 72, the second protection member 7 has a second spring limiting groove 76 at one end thereof which is communicated with the second connecting groove 72, the second protection member 7 has a second outlet hole 73 at one end thereof which is communicated with the second bonding groove 71, and the second protection member 7 is further provided with a second snap 77 corresponding to the first snap 61.
The first protection member 6 is arranged at the interface end of one optical cable, the second protection member 7 is arranged at the interface end of the other optical cable, the interface of the two optical cables is protected in the optical cable shield through the clamping of the first protection member 6 and the second protection member 7, and the first protection member 6 and the second protection member 7 are tightly clamped together through the arrangement of the fastening spring 8.
As a further scheme of the invention, a sealing heat-preservation adhesive tape or a magnetic strip is arranged on the side edge of the cabinet door, and an actuation adhesive tape and a magnetic strip are arranged on the box body 1 corresponding to the sealing heat-preservation adhesive tape or the magnetic strip.
The assembling method comprises the following steps:
inserting two optical cables 5 into the box body 1 from the communication pipes 2 at the two ends of the box body 1, respectively, inserting one optical cable 5 into the first protection piece 6, inserting the other optical cable 5 into the second protection piece 7, after the two optical cables 5 are welded, buckling the first protection piece 6 and the second protection piece 7, and respectively injecting epoxy resin glue into the first bonding groove 66, the second bonding groove 71 and the joint of the first protection piece 6 and the second protection piece 7;
the optical cable 5 is fixed through the clamping device 3, and the optical cable between the clamping device 3 and the connecting piece 4 is in a loose state;
epoxy glue is injected into end gripping head 25 through compression gap 2503 and then a water blocking tape is wrapped around the outside of compression sheet 2502 so that compression sheet 2502 tightly grips cable 5 and seals compression gap 2503.
According to the optical cable fixing device of the optical cable fusion box, on one hand, the optical cable can be well fixed without exerting excessive clamping force on the surface of the optical cable, the structure of the optical cable cannot be damaged, and meanwhile, the device can well protect the connection position of the optical cable and prevent the optical cable from being corroded by the external environment to influence the normal work of an optical communication line.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.