CN212483948U

CN212483948U - Optical fiber four-fiber tail fiber

Info

Publication number: CN212483948U
Application number: CN202021387697.XU
Authority: CN
Inventors: 欧涛
Original assignee: Shenzhen Feiyi Optoelectronic Communication Co ltd
Current assignee: Shenzhen Feiyi Optoelectronic Communication Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-02-05
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a four fine tail optical fibers of optic fibre, including the optic fibre thread, the both ends of optic fibre thread are provided with connecting device, connecting device includes fastening bolt, fixed block, dog, expansion tank, end cap, entrance hole, fixed orifices, inclined plane, branching hole, fixed ball and fixed fixture block, the one end of fixed block is provided with the expansion tank, the fixed orifices has been seted up to the one end of fixed block, the inside of fixed orifices is provided with the end cap, the inside of end cap is provided with the entrance hole. A four fine tail optical fibers of optic fibre, optic fibre pass through entrance hole and separated time hole, can fix the optic fibre in the entrance hole through fastening bolt extrusion expansion tank to fix the optic fibre in the separated time hole through fixed ball, it is more convenient, can pass line hole and wire hole with optic fibre, can fix optic fibre through the movable block, prevent that optic fibre is not hard up.

Description

Optical fiber four-fiber tail fiber

Technical Field

The utility model relates to an optical fiber communication field, in particular to four fine tail optical fibers of optic fibre.

Background

Optical fiber communication is a communication mode which takes light waves as an information carrier and optical fibers as a transmission medium, optical fiber communication (FTTx) is always regarded as a broadband router access mode which has the market prospect after a DSL broadband router access mode, and different from common twisted pair communication, the optical fiber communication has the characteristics of higher working frequency, higher capacity (the exclusive bandwidth of 10-100Mbps can be upgraded according to user needs), lower attenuation, no strong electric interference, stronger electromagnetic pulse resistance, good confidentiality and the like. However, the existing pigtail has certain disadvantages that the fixing of the optical fiber main line and the fiber core of the pigtail is troublesome when the optical fiber main line and the fiber core of the pigtail are communicated, the fixing is easy to loosen, and the fixing of the fiber core of the pigtail and the optical fiber is troublesome.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an optical fiber four-fiber pigtail, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an optical fiber four-fiber pigtail comprises an optical fiber main line, wherein connecting devices are arranged at two ends of the optical fiber main line, each connecting device comprises a fastening bolt, a fixing block, a stop block, an expansion groove, a plug, a wire inlet hole, a fixing hole, an inclined plane, a wire dividing hole, a fixing ball and a fixing fixture block, the expansion groove is arranged at one end of each fixing block, the fixing hole is formed at one end of each fixing block, the plug is arranged inside each fixing hole, the wire inlet hole is formed inside each plug, the fastening bolt is arranged at one end, close to the expansion groove, of each fixing block, the stop block is arranged at the other end of each fixing block, the fixing fixture block is arranged on the corresponding surface of each fixing block and the corresponding stop block, the wire dividing holes are formed inside the stop blocks and the fixing blocks, the fixing balls are arranged at the intersections of the, the connecting end comprises an intermediate sleeve, an expansion spring, a fixed column, a fastening block, a connecting plate, a push ring, a wire passing hole, a wire outlet hole, a fixed sleeve, a moving block, a plastic fixture block and a reserved hole, the fastening block is arranged at one end inside the fixed sleeve, the push ring is arranged on the fastening block and integrated with the fastening block, the fixed column and the expansion spring are arranged inside the fastening block, the moving block is arranged on the fixed column and matched with the push ring, the wire passing hole is arranged inside the push ring, the plastic fixture block is arranged at the edge of one end of the fixed sleeve, the intermediate sleeve is arranged on the fixed sleeve, the reserved hole is formed in the intermediate sleeve, the intermediate sleeve is screwed with the connecting plate, and the wire outlet hole is formed in the connecting plate.

Preferably, the fastening bolt is screwed with the fixing block through threads, the fastening bolt is matched with the expansion groove through an inclined surface, the fastening bolt is tightly pressed with the expansion groove, the fixing block is tightly clamped with the stop block through a fixing clamping block, and optical fibers penetrate through the inner parts of the wire inlet hole and the wire distributing hole.

Preferably, the middle sleeve is fixed with the fixed sleeve through a plastic clamping block and a reserved opening, the fastening block and the moving block are provided with matched oblique angles, and the moving block moves along the direction of the fixed column.

Preferably, the wire through hole is aligned with the wire outlet hole, and an optical fiber penetrates through the wire through hole and the wire outlet hole.

Preferably, the number of the connecting terminals is four.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, be provided with connecting device, optic fibre passes through entrance hole and separated time hole, can fix the optic fibre in the entrance hole through fastening bolt extrusion expansion tank to fix the optic fibre in the separated time hole through fixed ball, it is more convenient, be provided with the connection end, can pass line hole and wire hole with optic fibre, can fix optic fibre through the movable block, prevent that optic fibre is not hard up.

Drawings

Fig. 1 is a schematic view of the overall structure of an optical fiber four-fiber pigtail of the present invention;

fig. 2 is a schematic view of a connection device for an optical fiber four-fiber pigtail of the present invention;

fig. 3 is a schematic view of a connection end of an optical fiber four-fiber pigtail of the present invention.

In the figure: 1. a fiber optic main line; 2. a connecting device; 201. fastening a bolt; 202. a fixed block; 203. a stopper; 204. an expansion tank; 205. a plug; 206. a wire inlet hole; 207. a fixing hole; 208. a bevel; 209. A wire dividing hole; 210. fixing the ball; 211. fixing the fixture block; 3. a fiber pigtail; 4. connecting the end heads; 401. An intermediate sleeve; 402. a tension spring; 403. fixing a column; 404. a fastening block; 405. a connecting plate; 406. A push ring; 407. a wire passing hole; 408. a wire outlet hole; 409. fixing the sleeve; 410. a moving block; 411. a plastic fixture block; 412. and reserving the port.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, an optical fiber four-fiber pigtail includes an optical fiber main line 1, two ends of the optical fiber main line 1 are provided with connecting devices 2, each connecting device 2 includes a fastening bolt 201, a fixing block 202, a stopper 203, an expansion groove 204, a plug 205, a wire inlet 206, a fixing hole 207, an inclined plane 208, a wire dividing hole 209, a fixing ball 210 and a fixing fixture block 211, one end of the fixing block 202 is provided with the expansion groove 204, one end of the fixing block 202 is provided with the fixing hole 207, the inside of the fixing hole 207 is provided with the plug 205, the inside of the plug 205 is provided with the wire inlet 206, one end of the fixing block 202, which is located close to the expansion groove 204, is provided with the fastening bolt 201, the other end of the fixing block 202 is provided with the stopper 203, the abutting surface of the fixing block 202 and the stopper 203 is provided with the wire dividing hole 209, the, each connecting device 2 is connected with two connecting terminals 4 through an optical fiber pigtail 3, each connecting terminal 4 comprises a middle sleeve 401, an expansion spring 402, a fixed column 403, a fastening block 404, a connecting plate 405, a push ring 406, a wire passing hole 407, a wire outlet hole 408, a fixed sleeve 409, a movable block 410, a plastic fixture block 411 and a reserved opening 412, one end inside the fixed sleeve 409 is provided with the fastening block 404, the fastening block 404 is provided with the push ring 406, the push ring 406 and the fastening block 404 are integrated, the fixed column 403 and the expansion spring 402 are arranged inside the fastening block 404, the fixed column 403 is provided with the movable block 410, the movable block 410 is matched with the push ring 406, the wire passing hole 407 is arranged inside the push ring 406, one end edge of the fixed sleeve 409 is provided with the plastic fixture block 411, the fixed sleeve 401 is provided with the middle sleeve 401, the reserved opening 412 is arranged on the middle sleeve 401, and the middle sleeve, an outlet hole 408 is formed in the connecting plate 405;

the fastening bolt 201 is screwed with the fixed block 202 through threads, the fastening bolt 201 is matched with the expansion groove 204 through the inclined surface 208, the fastening bolt 201 is pressed with the expansion groove 204, the fixed block 202 is clamped with the stop block 203 through the fixed clamping block 211, and optical fibers penetrate through the inner parts of the wire inlet hole 206 and the wire distributing hole 209; the middle sleeve 401 is fixed with the fixed sleeve 409 through a plastic fixture block 411 and a reserved opening 412, a matched oblique angle is formed between the fastening block 404 and the moving block 410, and the moving block 410 moves along the direction of the fixed column 403; the wire through hole 407 is aligned with the wire outlet hole 408, and optical fibers penetrate through the wire through hole 407 and the wire outlet hole 408; the number of the connection terminals 4 is four.

It should be noted that, the present invention is an optical fiber four-fiber pigtail, when installing, the connection device 2 is installed at two ends of the optical fiber main line 1, at this time, the optical fiber main line 1 is stripped, the optical fiber main line 1 passes through the wire inlet 206 in the plug 205, then the optical fiber main line 1 is separated into two optical fibers by the wire splitter, then the optical fiber passes through the wire outlet 209 and is fastened with the fixing block 202 by the fixing block 211 through the stop 203, so that the optical fiber is fixed by the fixing ball 210, at this time, the fastening bolt 201 is screwed onto the fixing block 202, since the inclined plane 208 of the fastening bolt 201 is pressed with the expansion groove 204, at this time, the wire inlet 206 in the plug 205 is fixed, the optical fiber in the connection device 2 is fixed firmly, then the sheath of the optical fiber pigtail 3 is stripped and installed in the connection end 4, the end of the optical fiber pigtail 3 is inserted into the fixing sleeve 409, and the optical fiber is inserted into the wire passing hole 407 of the moving block 410, then the plastic fixture block 411 of the fixing sleeve 409 is clamped into the reserved opening 412 of the middle sleeve 401, the fastening block 404 is fixed in the middle of the fixing sleeve 409, then the connecting plate 405 is screwed with the connecting plate 405 through threads, the optical fiber is inserted into the wire outlet hole 408, when the connecting end 4 is removed, the connecting plate 405 is screwed down, the push ring 406 is pushed to enable the push ring 406 to drive the moving block 410 to move, at the moment, the moving block 410 pushes the telescopic spring 402 to move along the fixing column 403, at the moment, the wire passing hole 407 is enlarged, and the optical fiber is taken out.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An optical fiber four-fiber pigtail is characterized in that: the optical fiber cable comprises an optical fiber main line (1), connecting devices (2) are arranged at two ends of the optical fiber main line (1), each connecting device (2) comprises a fastening bolt (201), a fixing block (202), a stop block (203), an expansion groove (204), a plug (205), a wire inlet hole (206), a fixing hole (207), an inclined plane (208), a wire dividing hole (209), a fixing ball (210) and a fixing fixture block (211), the expansion groove (204) is arranged at one end of the fixing block (202), the fixing hole (207) is formed at one end of the fixing block (202), the plug (205) is arranged inside the fixing hole (207), the wire inlet hole (206) is arranged inside the plug (205), the fastening bolt (201) is arranged at one end, close to the expansion groove (204), of the fixing block (202), the stop block (203) is arranged at the other end of the fixing block (202), and the fixing fixture block (211) is arranged on the joint surface of the fixing, the cable-dividing device is characterized in that wire-dividing holes (209) are formed in the stop blocks (203) and the fixed blocks (202), a fixed ball (210) is arranged at the intersection of the fixed blocks (202) and the stop blocks (203), each connecting device (2) is connected with two connecting ends (4) through an optical fiber pigtail (3), each connecting end (4) comprises a middle sleeve (401), an expansion spring (402), a fixed column (403), a fastening block (404), a connecting plate (405), a push ring (406), a wire passing hole (407), a wire outlet hole (408), a fixed sleeve (409), a movable block (410), a plastic fixture block (411) and a reserved opening (412), the fastening block (404) is arranged at one end in the fixed sleeve (409), the push ring (406) is arranged on the fastening block (404), the push ring (406) and the fastening block (404) are integrated, the fixed column (403) and the expansion spring (402) are arranged in the fastening block (404), the fixed column (403) is provided with a moving block (410), the moving block (410) is matched with a push ring (406), a wire passing hole (407) is formed in the push ring (406), a plastic clamping block (411) is arranged at the edge of one end of the fixed sleeve (409), an intermediate sleeve (401) is arranged on the fixed sleeve (409), a reserved opening (412) is formed in the intermediate sleeve (401), the intermediate sleeve (401) is screwed with the connecting plate (405), and a wire outlet hole (408) is formed in the connecting plate (405).

2. The optical fiber four-fiber pigtail of claim 1, wherein: the optical fiber cable is characterized in that the fastening bolt (201) is screwed with the fixing block (202) through threads, the fastening bolt (201) is matched with the expansion groove (204) through an inclined surface (208), the fastening bolt (201) is tightly pressed with the expansion groove (204), the fixing block (202) is tightly clamped with the stop block (203) through a fixing stop block (211), and optical fibers penetrate through the wire inlet hole (206) and the wire distributing hole (209).

3. The optical fiber four-fiber pigtail of claim 1, wherein: the middle sleeve (401) is fixed with the fixed sleeve (409) through a plastic fixture block (411) and a reserved opening (412), the fastening block (404) and the moving block (410) are provided with matched oblique angles, and the moving block (410) moves along the direction of the fixed column (403).

4. The optical fiber four-fiber pigtail of claim 1, wherein: the wire passing hole (407) is aligned with the wire outlet hole (408), and optical fibers penetrate through the wire passing hole (407) and the wire outlet hole (408).

5. The optical fiber four-fiber pigtail of claim 1, wherein: the number of the connecting ends (4) is four.