CN211554390U

CN211554390U - Jumper wire connecting structure convenient to disassemble and assemble

Info

Publication number: CN211554390U
Application number: CN202020532573.XU
Authority: CN
Inventors: 张�杰
Original assignee: Shenzhen Fenglianxun Communication Co ltd
Current assignee: Shenzhen Fenglianxun Communication Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-09-22
Anticipated expiration: 2030-04-10

Abstract

The utility model relates to a wire jumper technical field just discloses a wire jumper connection structure convenient to dismouting, including the optic fibre line, the optic fibre line left end is provided with optical fiber splice, spring, check ring, the fixed lantern ring, spacing ring and protective sheath have from left to right been cup jointed in proper order to the activity outward, the check ring is close to fixed lantern ring one end and is provided with first external screw thread, the fixed lantern ring is close to check ring one end internal surface and is provided with first internal thread. This jumper connection structure convenient to dismouting, through setting up first external screw thread, second external screw thread, first internal thread, second internal thread and fixture block, the accessible is twisted the mode of moving and is connected retaining ring, fixed lantern ring and spacing ring, twists the in-process at the spacing ring simultaneously and makes the fixture block move to fixed lantern ring inside to press the fastening with the optic fibre line and fix, it is simpler to compare the mounting means that uses the crimping pliers to compress tightly, the spoilage when having reduced the installation, convenient to detach overhauls simultaneously.

Description

Jumper wire connecting structure convenient to disassemble and assemble

Technical Field

The utility model relates to a wire jumper technical field specifically is a wire jumper connection structure convenient to dismouting.

Background

The jumper wires comprise computer board card jumper wires, optical fiber jumper wires, network jumper wires and the like, wherein the optical fiber jumper wires are used for the jumper wires from equipment to optical fiber wiring links. There is thicker protective layer, generally be used in the connection between optical transmitter and receiver and the terminal box, use in some fields such as fiber communication system, the optical fiber access network, optic fibre data transmission and LAN, the optical fiber jumper includes models such as FC, SC, ST and LC, wherein the joint of SC type optical fiber jumper includes a plurality of parts, because all compress tightly fixedly through the wire crimper between the fixed lantern ring and the retaining ring and the outer protective sheath of optic fibre line in the installation, this step operation degree of difficulty is great, make the fixed lantern ring take place irreversible deformation simultaneously, lead to fixed back unable demolish and separate the fixed lantern ring, can only cut the repacking when the suspected damage of joint is examined again, wasted parts and partial optic fibre line.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a wire jumper connection structure convenient to dismouting possesses the dismouting of being convenient for, and advantages such as easy access have solved SC type optical fiber jumper and have operated the degree of difficulty great at the installation, simultaneously because the irreversible deformation takes place for fixed lantern ring, lead to fixed back unable demolish and separate the fixed lantern ring, can't cut the repacking again when connecting the suspected damage of demolising the inspection, have wasted the problem of parts and partial optic fibre line.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wire jumper connection structure convenient to dismouting, includes the optic fibre line, the optic fibre line left end is provided with optical fiber splice, spring, check ring, the fixed lantern ring, spacing ring and protective sheath have from left to right been cup jointed in proper order to the activity outward in the optic fibre, the check ring is close to fixed lantern ring one end and is provided with first external screw thread, the fixed lantern ring is close to check ring one end internal surface and is provided with first internal thread, the trompil has all been seted up to fixed lantern ring top surface and bottom surface, the trompil inner wall is provided with the fixture block, the fixed lantern ring is close to spacing ring one end surface and is provided with the second external screw thread, the.

Preferably, the first external thread is matched with the first internal thread, and the second external thread is matched with the second internal thread.

Preferably, the tops of the clamping blocks are provided with inclined planes, and the inclined planes extend to the outer side of the opening.

Preferably, the protective sheath is made by the rubber material, the internal diameter of protective sheath is greater than the external diameter of fixed lantern ring or spacing ring.

Preferably, an aramid fiber wire and a bare fiber are arranged inside the optical fiber wire, and the bare fiber is fixedly connected with the optical fiber connector through epoxy glue.

Compared with the prior art, the utility model provides a wire jumper connection structure convenient to dismouting possesses following beneficial effect:

this jumper connection structure convenient to dismouting, through setting up first external screw thread, second external screw thread, first internal thread, second internal thread and fixture block, the accessible is twisted the mode of moving and is connected retaining ring, fixed lantern ring and spacing ring, twists the in-process at the spacing ring simultaneously and makes the fixture block move to fixed lantern ring inside to press the fastening with the optic fibre line and fix, it is simpler to compare the mounting means that uses the crimping pliers to compress tightly, the spoilage when having reduced the installation, convenient to detach overhauls simultaneously.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the fixing collar of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

Wherein: 1. an optical fiber line; 2. an optical fiber splice; 3. a spring; 4. a snap ring; 5. a fixed collar; 6. a limiting ring; 7. a protective sleeve; 8. a first external thread; 9. a first internal thread; 10. opening a hole; 11. a clamping block; 12. a second external thread; 13. a second internal thread.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a jumper connection structure convenient for disassembly and assembly includes an optical fiber 1, an optical fiber connector 2 is disposed at a left end of the optical fiber 1, an aramid fiber line and a bare fiber are disposed inside the optical fiber 1, the bare fiber is fixedly connected to the optical fiber connector 2 through an epoxy adhesive, a connection method of the optical fiber connector 2 and the bare fiber is the prior art, and no redundancy is given here, in practical application, the optical fiber 1 passes through each component and then is connected to the optical fiber connector 2, a spring 3, a stop ring 4, a fixed collar 5, a limit ring 6 and a protective sleeve 7 are movably sleeved from left to right outside the optical fiber, a first external thread 8 is disposed at one end of the stop ring 4 close to the fixed collar 5, a first internal thread 9 is disposed at an inner surface at one end of the fixed collar 5 close to the stop ring 4, the first external thread 8 is matched with the first internal thread 9, so that, compared with the mode of pressing by using a crimping pliers, the mode is more convenient, the disassembly is facilitated, the top surface and the bottom surface of the fixed sleeve ring 5 are both provided with the open holes 10, the inner wall of each open hole 10 is provided with the fixture block 11, the fixture block 11 and the fixed sleeve ring 5 are integrally arranged, the top of the fixture block 11 is provided with the inclined plane, the inclined plane extends to the outer side of the open hole 10, the outer surface of one end, close to the limiting ring 6, of the fixed sleeve ring 5 is provided with the second external thread 12, the inner surface of one end, far away from the fixed sleeve ring 5, of the limiting ring 6 is provided with the second internal thread 13, the second external thread 12 is matched with the second internal thread 13, the connection between the limiting ring 6 and the fixed sleeve ring 5 is facilitated by screwing, meanwhile, the inclined plane on the fixture block 11 can be extruded by the edge while the limiting, the quantity of fixture block 11 sets up to two at least during practical application, and protective sheath 7 is made by the rubber material, and the internal diameter of protective sheath 7 is greater than the external diameter of the fixed lantern ring 5 or spacing ring 6, and it can wrap up spacing ring 6 and the fixed lantern ring 5 to remove protective sheath 7 after spacing ring 6 is connected with the fixed lantern ring 5, during practical application, still need install interior cutting ferrule and outer cutting ferrule, and the mounting means of interior cutting ferrule and outer cutting ferrule is the same with prior art, finally realizes the equipment of whole SC optic fibre wire jumper.

When the fixing device is used, firstly, the stop ring 4 is moved to the outer side of the reserved aramid fiber line, then the fixing sleeve ring 5 is screwed, the fixing sleeve ring 5 can be connected with the stop ring 4 through the first external thread 8 and the first internal thread 9, then the limiting ring 6 is screwed, the connection between the limiting ring 6 and the fixing sleeve ring 5 can be realized through the second external thread 12 and the first external thread 8, the limiting ring 6 is gradually moved to the left side in the process of threaded connection, the inclined surface on the outer side of the fixture block 11 is extruded, the fixture block 11 is gradually moved to the inside of the fixing sleeve ring 5, so that the optical fiber line 1 can be compressed and fixed, then the fixing sleeve ring 5 and the limiting ring 6 are wrapped by the movable protective sleeve 7, and finally, subsequent component installation is carried out, and when the disassembly is needed, the limiting.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a jumper connection structure convenient to dismouting, includes optic fibre line (1), its characterized in that: optical fiber line (1) left end is provided with optical fiber splice (2), spring (3), snap ring (4), the fixed lantern ring (5), spacing ring (6) and protective sheath (7) have from left to right been cup jointed in proper order to the activity outward, snap ring (4) are close to fixed lantern ring (5) one end and are provided with first external screw thread (8), the fixed lantern ring (5) are close to snap ring (4) one end internal surface and are provided with first internal thread (9), trompil (10) have all been seted up on fixed lantern ring (5) top surface and bottom surface, trompil (10) inner wall is provided with fixture block (11), the fixed lantern ring (5) are close to spacing ring (6) one end surface and are provided with second external screw thread (12), spacing ring (6) are kept away from fixed lantern ring (5) one end internal surface and are provided with.

2. The jumper connection structure convenient to disassemble and assemble according to claim 1, wherein: the first external thread (8) is matched with the first internal thread (9), and the second external thread (12) is matched with the second internal thread (13).

3. The jumper connection structure convenient to disassemble and assemble according to claim 1, wherein: the top of the clamping block (11) is provided with an inclined plane, and the inclined plane extends to the outer side of the opening (10).

4. The jumper connection structure convenient to disassemble and assemble according to claim 1, wherein: the protective sleeve (7) is made of rubber materials, and the inner diameter of the protective sleeve (7) is larger than the outer diameter of the fixed sleeve ring (5) or the limiting ring (6).

5. The jumper connection structure convenient to disassemble and assemble according to claim 1, wherein: the optical fiber cable is characterized in that an aramid fiber cable and bare optical fibers are arranged inside the optical fiber cable (1), and the bare optical fibers are fixedly connected with the optical fiber connectors (2) through epoxy glue.