CN218938566U - Prefabricated end butterfly optical cable bent angle type optical fiber movable connector - Google Patents

Abstract

The utility model discloses a prefabricated end butterfly-shaped optical cable bent angle type optical fiber movable connector which comprises an outer shell cap, an inner body, a ceramic ferrule, a spring, a supporting tube, a crimping tube, a tail sleeve and an optical cable which are sequentially connected, wherein the tail sleeve is an angle-variable tail sleeve which is in an arc bending shape and is provided with a straight line part and a bending part which are opposite, the straight line part of the angle-variable tail sleeve is connected with the crimping tube, and the optical cable penetrates into the bending part of the angle-variable tail sleeve so as to enable the optical cable to form a bending radian in a controllable range in the angle-variable tail sleeve. By means of the mode, the prefabricated end butterfly-shaped optical cable bent angle type optical fiber movable connector can control the optical cable to form the bending radian in a controllable range, the bending radian has no influence on product loss, and the prefabricated end butterfly-shaped optical cable bent angle type optical fiber movable connector has the advantages of being short in length and controllable in bending radian, can be conveniently used in a narrow and special space, and is convenient to follow-up construction operation.

Description

Prefabricated end butterfly optical cable bent angle type optical fiber movable connector

Technical Field

The utility model relates to the technical field of communication passive equipment, in particular to a prefabricated end butterfly-shaped optical cable bent angle type optical fiber movable connector.

Background

With the large-scale construction of the FTTH city optical network, the butterfly-shaped lead-in optical cable is widely applied, the butterfly-shaped lead-in optical cable is used as a transmission medium between a local side and a user, and an optical fiber connector is used as a connecting device, so that the rapid connection of an optical link between a household and a corridor is realized.

The tail sleeve in the conventional prefabricated end butterfly optical cable optical fiber movable connector is generally straight and has no bending angle, and the tail sleeve with the shape is generally used in a closed environment with larger space after being combined into the prefabricated end optical fiber movable connector.

However, the device is not easy to use in a narrow closed space or an environment requiring a certain bending angle of the tail part, because the tail sleeve of the prefabricated end optical fiber movable connector is forced to be irregularly bent due to the narrow space, loss attenuation is easy to become large after bending, quality hidden danger is easy to be brought for a long time, and the device is inconvenient to construct.

Disclosure of Invention

The utility model mainly solves the technical problem of providing the prefabricated end butterfly-shaped optical cable bent angle type optical fiber movable connector, which can control the optical cable to form a bending radian in a controllable range, has no influence on product loss, has the advantages of short length and controllable bending radian, can be conveniently used in a narrow and special space, and is convenient for subsequent construction operation.

In order to solve the technical problems, the utility model adopts a technical scheme that: provided is a prefabricated end butterfly optical cable bent angle type optical fiber movable connector, comprising: the novel optical cable comprises a shell cap, an inner body, a ceramic ferrule, a spring, a support tube, a crimping tube, a tail sleeve and an optical cable, wherein the shell cap, the inner body, the ceramic ferrule, the spring, the support tube, the crimping tube, the tail sleeve and the optical cable are sequentially connected, the tail sleeve is an angle-variable tail sleeve which is in an arc bending shape and has a relative linear part and a bending part, the linear part of the angle-variable tail sleeve is connected with the crimping tube, and the optical cable penetrates into the bending part of the angle-variable tail sleeve so that the optical cable forms a bending radian of a controllable range in the angle-variable tail sleeve.

In a preferred embodiment of the utility model, the inner body is mounted inside the outer cap in a snap-fit manner.

In a preferred embodiment of the present utility model, the ferrule has opposite first and second ends, the first end being connected in the slot of the inner body and the second end being inserted into the support tube, and a spring being mounted between the second end of the ferrule and the support tube.

In a preferred embodiment of the utility model, the crimping tube is mounted on the tail of the support tube in a sleeved mode, and the variable angle tail sleeve is mounted on the tail of the crimping tube in a sleeved mode.

In a preferred embodiment of the present utility model, the curved portion of the angle-variable tail sleeve includes an outer arc and an inner arc, outer open slots are uniformly distributed on the outer arc at intervals, inner open slots are uniformly distributed on the inner arc at intervals, the number of the outer open slots is greater than that of the inner open slots, and the diameter of the notch of the outer open slot is greater than that of the notch of the inner open slot.

In a preferred embodiment of the present utility model, the angle-variable tail sleeve is an elastic tail sleeve.

In a preferred embodiment of the present utility model, the angle-variable tail sleeve is a PVC soft rubber tail sleeve.

The beneficial effects of the utility model are as follows: the prefabricated end butterfly-shaped optical cable bent angle type optical fiber movable connector can control the optical cable to form a bending radian in a controllable range, and the bending radian has no influence on product loss, has the advantages of short length and controllable bending radian, can be conveniently used in a narrow and special space, and is convenient for subsequent construction operation.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

FIG. 1 is a schematic view of a preformed end butterfly cable bent angle fiber optic connector of a preferred embodiment of the utility model;

FIG. 2 is a schematic view of a preferred embodiment of the angle-variable boot of the prefabricated end butterfly cable angled optical fiber connector of the present utility model;

the components in the drawings are marked as follows: 1. the cable comprises an outer shell cap, 2, an inner body, 3, a ceramic ferrule, 4, a spring, 5, a supporting tube, 6, a crimping tube, 7, an angle-variable tail sleeve, 7-1, an outer open slot, 7-2, an inner open slot, 7-3, a straight line part, 7-4, a bending part, 8 and an optical cable.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, the azimuth or positional relationship indicated by the terms "front", "rear", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore, should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.

Referring to fig. 1-2, a preferred embodiment of a prefabricated end butterfly cable angled optical fiber connector is shown.

The prefabricated end butterfly-shaped optical cable bent angle type optical fiber movable connector comprises: the device comprises an outer shell cap 1, an inner body 2, a ceramic ferrule 3, a spring 4, a support tube 5, a crimping tube 6, a tail sleeve and an optical cable 8 which are connected in sequence, wherein the tail sleeve adopts an angle-variable tail sleeve 7.

In the utility model, the inner body 2 is arranged inside the shell cap 1 in a clamping manner; the ceramic ferrule 3 has a first end and a second end which are opposite, wherein the first end is connected in a socket of the inner body 2 in a plug-in manner, and the second end is connected in a support tube 5 in a plug-in manner; a spring 4 is installed between the second end of the ferrule 3 and the support tube 5 so that the support tube 5 is installed on the ferrule 3 in an elastic crimping manner.

Further, the crimping tube 6 is mounted at the tail of the supporting tube 5 in a sleeved mode, and the angle-variable tail sleeve 7 is mounted at the tail of the crimping tube 6 in a sleeved mode.

In this embodiment, the angle-variable tail sleeve 7 is preferably curved in a circular arc shape and has opposite straight portions 7-3 and 7-4, wherein the straight portion 7-3 of the angle-variable tail sleeve 7 is connected with the crimp tube 6, and the optical cable 8 penetrates into the curved portion 7-4 of the angle-variable tail sleeve 7, so that the optical cable 8 forms a controllable range of curvature in the angle-variable tail sleeve 7.

Further, the bending portion 7-4 of the angle variable tail sleeve 7 comprises an outer arc and an inner arc, outer open slots 7-1 uniformly distributed at intervals are arranged on the outer arc, inner open slots 7-2 uniformly distributed at intervals are arranged on the inner arc, the number of the outer open slots 7-1 is greater than that of the inner open slots 7-2, and the diameter of the notch of the outer open slot 7-1 is greater than that of the notch of the inner open slot 7-2.

The outer open groove 7-1 and the inner open groove 7-2 provided in the above-described manner can be stretched and compressed within a certain range to change the bending angle of the boot.

Further, the angle-variable tail sleeve 7 is an elastic tail sleeve, so as to ensure that the tail sleeve can perform bending control. Preferably, the angle-variable tail sleeve 7 is a PVC soft rubber tail sleeve.

The utility model is realized by utilizing the tail sleeve in a certain deformable bending radian range, and after the butterfly cable passes through the tail sleeve, a fixable bending radian is directly formed in the tail sleeve, so that the bending radian has no influence on product loss, and the tail sleeve has the characteristics of short and small length, controllable bending radian and convenience in construction compared with the traditional technology.

The connecting process of the prefabricated end butterfly-shaped optical cable bent angle type optical fiber movable connector comprises the following steps:

the optical cable 8 is firstly threaded into the angle-variable tail sleeve 7, the optical cable 8 passes through the bending section 7-4 of the angle-variable tail sleeve 7 to form a bending radian with a controllable range, then the optical cable 8 is threaded into the linear section 7-3 of the angle-variable tail sleeve 7,

then, the angle-variable tail sleeve 7 is sleeved at the tail part of the crimping tube 6, the crimping tube 6 is sleeved at the tail part of the supporting tube 5, the supporting tube 5 and the spring 4 are installed on the ceramic ferrule 3, the ceramic ferrule 3 is inserted into the inner body 2, the inner body 2 is inserted into the outer shell cap 1, and finally, a connector with a specific bending radian is formed.

The prefabricated end butterfly-shaped optical cable bent angle type optical fiber movable connector has the beneficial effects that:

the tail sleeve with controllable deformation angle can control the optical cable to form the bending radian of a controllable range, and the bending radian has no influence on product loss, has the advantages of short length and controllable bending radian, can be conveniently used in a narrow and small special space, and is convenient for subsequent construction operation.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.

Claims (7)

1. A prefabricated end butterfly cable angled optical fiber connector comprising: the device is characterized in that the device comprises a shell cap, an inner body, a ceramic ferrule, a spring, a support tube, a crimping tube, a tail sleeve and an optical cable which are connected in sequence,

the angle-variable tail sleeve is in an arc bending shape and is provided with a straight line part and a bending part which are opposite to each other, the straight line part of the angle-variable tail sleeve is connected with the crimping pipe, and the optical cable penetrates into the bending part of the angle-variable tail sleeve so that the optical cable forms a bending radian of a controllable range in the angle-variable tail sleeve.

2. The preformed end butterfly cable bent angle fiber optic connector of claim 1, wherein the inner body is snap-fit mounted within the outer housing cap.

3. The preformed end butterfly cable angled optical fiber connector of claim 1, wherein the ferrule has opposite first and second ends, the first end being coupled in the slot of the inner body and the second end being inserted into the support tube, the spring being mounted between the second end of the ferrule and the support tube.

4. The preformed end butterfly cable angled optical fiber connector of claim 1 wherein the crimp tube is mounted in a telescoping manner to the tail of the support tube and the angle variable boot is mounted in a telescoping manner to the tail of the crimp tube.

5. The prefabricated end butterfly-shaped optical cable bent angle type optical fiber movable connector according to claim 1, wherein the angle-variable tail sleeve bending part comprises an outer circular arc and an inner circular arc, outer open grooves uniformly distributed at intervals are arranged on the outer circular arc, inner open grooves uniformly distributed at intervals are arranged on the inner circular arc, the number of the outer open grooves is greater than that of the inner open grooves, and the notch diameter of the outer open grooves is greater than that of the inner open grooves.

6. The preformed end butterfly cable bent angle type fiber optic connector of claim 1, wherein the angle variable boot is an elastomeric boot.

7. The preformed end butterfly cable bent angle type fiber optic connector of claim 6, wherein the angle variable boot is a PVC soft rubber boot.

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