CN201269939Y - Plastic optical fiber connector - Google Patents

Abstract

The utility model discloses a plastic optical fiber connector, wherein, the connector comprises a base and an upper cover. The base is connected with the upper cover by a connecting mechanism, the base is provided with a groove and the middle of the groove is provided with a first loudspeaker interface, the groove is a V-shaped groove, the first loudspeaker interface presents a reverse taper shape and is located in the middle of the V-shaped groove, and the cross section area of the plastic optical fiber in the V-shaped groove is larger than the cross section area of the plastic optical fiber by 50 percent. The plastic optical fiber connector simplifies and facilitates the process for common users to connect plastic optical fiber; a protecting sleeve used for restricting the plastic optical fiber bend is arranged, thus improving the safety of the plastic optical fiber coupling; a reverse taper shape loudspeaker interface is arranged at the middle end of the V-shaped groove, thus increasing the coupling efficiency of two plastic optical fibers, improving the simplicity of the plastic optical fiber connection operation, and being beneficial to the wide promotion and application.

Description

A kind of plastic optical fibre connector

Technical field

The utility model relates to technical field of optical fiber communication, relates in particular to a kind of plastic optical fibre connector.

Background technology

Because silica fibre manufacturing process complexity, fibre core are minimum, cause connecting difficulty, cost is higher, has hindered further developing that optical fiber is registered one's residence to a certain extent, by contrast, plastic optical fiber is simple and convenient with installation with its cheap price, has showed huge advantage in optical fiber is registered one's residence.Present plastic optical fibre connector both domestic and external mainly comprises the plastic optical fibre connector of a connector of two nuts of the plastic optical fibre connector that adopts back taper type optical fiber end to join, band coupling mechanism side and the plastic optical fibre connector that U.S. Lucent Technologies Inc releases etc.These connectors all without exception, complex structure, and plastic optical fiber need pass leaving a blank in advance in the adapter and dock, merging precision is not high.This shows that prior art needs further improvement.

Summary of the invention

The utility model provides a kind of plastic optical fibre connector for solving defective of the prior art, and two plastic optical fibers are coupled, and to improve the simplicity that connects the plastic optical fiber operation, improves the coupling efficiency that connects plastic optical fiber.

For solving the problems of the technologies described above, the utility model scheme is:

A kind of plastic optical fibre connector, wherein, described connector comprises base and loam cake, described base and described loam cake are linked together by bindiny mechanism; Described base is provided with a groove, and described groove middle part is provided with first horn interface.

Described plastic optical fibre connector, wherein, described groove is a vee-cut.

Described plastic optical fibre connector, wherein, described first horn interface is the centre position that back taper is positioned at described vee-cut.

Described plastic optical fibre connector, wherein, the plastic optical fiber cross-sectional area in the described vee-cut is greater than 50 percent of plastic optical fiber cross-sectional area.

Described plastic optical fibre connector, wherein, described loam cake is provided with and the suitable shallow grooves of described vee-cut, and described shallow grooves is provided with and corresponding second horn interface of described first horn interface.

Described plastic optical fibre connector, wherein, the two ends of described vee-cut are respectively arranged with square deep trouth, are placed with protective jacket in the described square deep trouth.

Described plastic optical fibre connector, wherein, with the corresponding described square deep trouth of the described first horn interface wide mouth part be the plastic optical fiber input end, the described square deep trouth relative with the described first horn interface slot is the plastic optical fiber output terminal.

Described plastic optical fibre connector, wherein, described bindiny mechanism comprises circular port and guide finger, described guide finger and described circular port are suitable; Described circular port is arranged on the described base, and described guide finger is arranged on and covers on described.

Described plastic optical fibre connector, wherein, described shallow grooves is provided with and the corresponding shallow slot of described square deep trouth.

A kind of plastic optical fiber end face mould comprises the end face shaping box, is provided with forming tank in the described end face shaping box, and wherein, the shape of the shape of described forming tank and described first horn interface is suitable.

The utility model provides a kind of plastic optical fibre connector, by described base with tight connection of described loam cake two plastic optical fibers are coupled, simplify and made things convenient for domestic consumer oneself to connect the flow process of plastic optical fiber; Be provided with the protective jacket of restriction plastic optical fiber bending, improved the security of plastic optical fiber coupling; An end is provided with a back taper horn interface in the middle of described vee-cut, has saved the use of matching fluid, has increased the coupling efficiency of two plastic optical fibers, does not need the professional just can carry out attended operation, helps applying widely.

Description of drawings

Fig. 1 is the structural representation of connector closure state in the utility model;

Fig. 2 is the structural representation of connector base in the utility model;

Fig. 3 is the structural representation of connector loam cake in the utility model;

Fig. 4 is the side-looking structural representation of connector loam cake in the utility model;

Fig. 5 is the connection status synoptic diagram of the interior plastic optical fiber of connector in the utility model;

Fig. 6 is the cross-sectional view of protective jacket in the utility model;

Fig. 7 is the structural representation of plastic optical fiber end face mould in the utility model.

Embodiment

Below with reference to accompanying drawing, comparatively detailed explanation is carried out in each preferred embodiment in the utility model.

The utility model provides a kind of plastic optical fibre connector, by described base with tight connection of described loam cake two plastic optical fibers are coupled, improved the simplicity that connects the plastic optical fiber operation, improved the coupling efficiency that connects plastic optical fiber.As shown in Figure 1, described connector comprises base 1 and loam cake 2, described base 1 and described loam cake 2 are linked together by bindiny mechanism, and the two ends at described connector also are respectively arranged with protective jacket 3, plastic optical fiber 4 enters described connector by described protective jacket 3, described protective jacket 3 is used for fixing and protects described plastic optical fiber 4, prevent that described plastic optical fiber 4 is crooked excessive and cause damage, as shown in Figure 6, described protective jacket 3 is fixing firmly with described plastic optical fiber 4, thereby make naked fine 15 can not fractureed easily, reduced loss to greatest extent, improved the security of installing; Described bindiny mechanism comprises circular port 8 and guide finger 12, and described circular port 8 and described guide finger 12 are suitable, and described circular port 8 is arranged on the described base 1, and described guide finger 12 is arranged on the described loam cake 2.In order to further describe the utility model, as shown in Figure 2, described base 1 is provided with groove 5, and be provided with first horn interface 6 at the middle part of described groove 5, described groove 5 can also can be circular groove for vee-cut, described first horn interface 6 is can be for the back taper horn interface also can be any tubaeform interface, and the centre position effect that described first horn interface 6 is positioned at described groove 5 is best; Plastic optical fiber cross-sectional area in the described vee-cut 5 is greater than 50 percent of plastic optical fiber cross-sectional area; The two ends of described groove 5 are respectively arranged with square deep trouth 7 and are used to place described protective jacket 3, and described square deep trouth 7 can also can be convenient to the suitable shape of fixing described protective jacket 3 for square or other for rectangle; With the corresponding described square deep trouth 7 of described first horn interface, 6 wide mouth parts be the plastic optical fiber input end, the described square deep trouth 7 relative with described first horn interface, 6 slots is the plastic optical fiber output terminal.Be respectively arranged with four circular holes 8 on four jiaos of described base 1, described base 1 be fixed together with described loam cake 2 with convenient.Shown in Figure 3, described loam cake 2 is provided with shallow grooves 9, described shallow grooves 9 can also can be circular shallow grooves for the V-arrangement shallow grooves, described shallow grooves 9 is being provided with second horn interface 10 with described first horn interface 6 corresponding positions, and described second horn interface 10 is identical with the shape of described first horn interface 6; The two ends of described shallow grooves 9 are being provided with shallow slot 11 with described deep trouth 7 corresponding positions, and described shallow slot 11 is identical with the shape of described deep trouth 7; Described loam cake 2 is provided with the guide finger 12 suitable with described circular hole 8, described guide finger 12 can also can be rectangular parallelepiped for right cylinder, described circular hole 8 can be provided with internal thread, and described guide finger 12 outsides can be provided with and the suitable external thread of described internal thread; The side-looking structure of described loam cake 2, as shown in Figure 4, described loam cake 2 is rectangle, and described guide finger 12 is the rectangle vertical with described loam cake 2.As shown in Figure 7, the utility model also is equipped with the plastic optical fiber end face mould 16 suitable with described connector, described end face mould 16 comprises the end face shaping box, be provided with forming tank in the described end face shaping box, described forming tank is a flared channels, and the shape of the shape of described flared channels and described first horn interface 6 is identical.Through foregoing description as can be known, the utility model has improved the simplicity of attended operation by the design of reasonable science, has improved the coupling efficiency of plastic optical fiber, has increased the coupling efficiency of two plastic optical fibers, helps applying widely.

For with further setting forth the utility model, be that example describes now to connect two plastic optical fibers.Place described protective jacket 3 respectively in the described deep trouth 7 with described base 1 two ends earlier, two plastic optical fibers that needs are connected are handled then, wherein a undercut becomes planar ends, then the end face of another root plastic optical fiber is put into described mould 16 flared channels, use well heater that it is processed as the toroidal plastic optical fiber, then it is placed in described first horn interface 6 by described output terminal; Also the end face of a plastic optical fiber directly can be placed in described first horn interface 6 by described output terminal and described protective jacket 3, use well heater to be processed into and the suitable plastic optical fiber interface of described first horn interface 6 then; Then the plastic optical fiber of planar ends is put into described groove 5 by input end and described protective jacket 3 and promote forward until inserting the toroidal plastic optical fiber along the direction of described groove 5, its connection status links together two plastic optical fibers as shown in Figure 5 closely; Then described loam cake 2 is covered the top of described base 1, and described guide finger 12 is inserted into respectively in the suitable described circular port 8, compress the connecting portion of plastic optical fiber with fixing described loam cake 2 and described base 1.Wherein, when utilizing 16 pairs of plastic optical fibers of described mould to handle, the length that plastic optical fiber stretches out described mould 16 is:

$\mathrm{\&Delta;X}=\left(\frac{R^2-{\mathrm{<figure-callout\; id="2"\; label="r"\; filenames="Y200820173753E00071.png,Y200820173753E00081.png"\; state="\{\{state\}\}">r</figure-callout>}}^2}{2r^2}\right)L$

Wherein, R is the radius of back taper hydraucone plastic optical fiber, and r is the radius of plastic optical fiber, and L is the length of back taper flared trousers.Adopt being compared as follows of coupling efficiency that the utility model connects two plastic optical fibers and the common coupling efficiency that is connected two plastic optical fibers:

Td1 Td2 Tr1 Tr2

0.9 1 0.9 1

0.998 1 0.991 1

Wherein, Td is the coupling efficiency that longitudinal pitch d is arranged between two optical fiber, and Td1 is the coupling efficiency that two flush end optical fiber connect, and Td2 is the coupling efficiency that flush end optical fiber is connected with back taper optical fiber; Coupling efficiency when Tr is two optical fiber generation transversion malposition, the coupling efficiency that Tr1 is connected for flush end optical fiber, Tr2 are the coupling efficiency that flush end optical fiber is connected with back taper optical fiber.

In sum, a kind of plastic optical fibre connector that adopts the utility model to provide, by described base with tight connection of described loam cake two plastic optical fibers are coupled, simplify and made things convenient for the flow process of domestic consumer oneself connection plastic optical fiber; Be provided with the protective jacket of restriction plastic optical fiber bending, improved the security of plastic optical fiber coupling; An end is provided with a back taper horn interface in the middle of described vee-cut, saved the use of matching fluid, increased the coupling efficiency of two plastic optical fibers, do not need the professional just can carry out attended operation, farthest satisfied user's demand, improve the simplicity that connects the plastics operation, improved the coupling efficiency that connects plastic optical fiber.

Should be understood that; it is comparatively detailed that above-mentioned each preferred embodiment is described; but should not be construed as restriction of the present utility model; protection domain of the present utility model should be as the criterion with claims, and those skilled in the art are subjected to enlightenment of the present utility model simply to replace, make up or be out of shape should to fall in the protection domain of the present utility model.

Claims (9)

1, a kind of plastic optical fibre connector is characterized in that: described connector comprises base and loam cake, and described base and described loam cake are linked together by bindiny mechanism; Described base is provided with a groove, and described groove middle part is provided with first horn interface.

2, plastic optical fibre connector according to claim 1 is characterized in that: described groove is a vee-cut.

3, plastic optical fibre connector according to claim 2 is characterized in that: described first horn interface is the centre position that back taper is positioned at described vee-cut.

4, plastic optical fibre connector according to claim 3 is characterized in that: the plastic optical fiber cross-sectional area in the described vee-cut is greater than 50 percent of plastic optical fiber cross-sectional area.

5, plastic optical fibre connector according to claim 4 is characterized in that: described loam cake is provided with and the suitable shallow grooves of described vee-cut, and described shallow grooves is provided with and corresponding second horn interface of described first horn interface.

6, plastic optical fibre connector according to claim 5 is characterized in that: the two ends of described vee-cut are respectively arranged with square deep trouth, are placed with protective jacket in the described square deep trouth.

7, plastic optical fibre connector according to claim 6, it is characterized in that: with the corresponding described square deep trouth of the described first horn interface wide mouth part be the plastic optical fiber input end, the described square deep trouth relative with the described first horn interface slot is the plastic optical fiber output terminal.

8, plastic optical fibre connector according to claim 7 is characterized in that: described bindiny mechanism comprises circular port and guide finger, and described guide finger and described circular port are suitable; Described circular port is arranged on the described base, and described guide finger is arranged on and covers on described.

9, plastic optical fibre connector according to claim 8 is characterized in that: described shallow grooves is provided with and the suitable shallow slot of described square deep trouth.

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