阅读说明：本技术 一种多维度可旋转的光纤耦合调节架 (Multi-dimensional rotatable optical fiber coupling adjusting frame ) 是由 严丰 曾博 于 2019-12-19 设计创作，主要内容包括：本发明公开了一种多维度可旋转的光纤耦合调节架,包括有底座,底座上可拆卸的安装有左五维调节架和右五维调节架,左五维调节架和右五维调节架的结构相同,其中左五维调节架由安装在底座上的三维滑台和通过支撑架安装在三维滑台上的多维调整架构成,左五维调节架上的多维调整架和右五维调节架上的多维调整架上分别安装有光纤旋转调节轴。本发明的目的在于提供一种多维度可旋转的光纤耦合调节架,不仅能进行多维度及旋转调节,还有比较好的重复性,实现光纤旋转连接器低损耗的稳定传输,具有结构简单、成本低、操作方便、效果好等优点。(The invention discloses a multi-dimensional rotatable optical fiber coupling adjusting frame which comprises a base, wherein a left five-dimensional adjusting frame and a right five-dimensional adjusting frame are detachably arranged on the base, the left five-dimensional adjusting frame and the right five-dimensional adjusting frame are identical in structure, the left five-dimensional adjusting frame is composed of a three-dimensional sliding table arranged on the base and a multi-dimensional adjusting frame arranged on the three-dimensional sliding table through a supporting frame, and optical fiber rotating adjusting shafts are respectively arranged on the multi-dimensional adjusting frame on the left five-dimensional adjusting frame and the multi-dimensional adjusting frame on the right five-dimensional adjusting frame. The invention aims to provide a multi-dimensional rotatable optical fiber coupling adjusting frame, which not only can perform multi-dimensional and rotation adjustment, but also has better repeatability, realizes low-loss stable transmission of an optical fiber rotary connector, and has the advantages of simple structure, low cost, convenience in operation, good effect and the like.)

1. The utility model provides a rotatable fiber coupling alignment jig of multidimension degree, a serial communication port, including the base, detachable installs five left dimension alignment jigs and five right dimension alignment jigs on the base, five left dimension alignment jigs and five right dimension alignment jigs' structure is the same, wherein five left dimension alignment jigs comprise the three-dimensional slip table of installing on the base and the multidimensional adjustment jig of installing on the three-dimensional slip table through the support frame, install the rotatory regulating spindle of optic fibre on the multidimensional adjustment jig on five left dimension alignment jigs and the multidimensional adjustment jig on five right dimension alignment jigs respectively.

2. The multi-dimensional rotatable optical fiber coupling adjusting bracket according to claim 1, wherein one end of the optical fiber rotation adjusting shaft is rotatably mounted on the corresponding multi-dimensional adjusting bracket through a bearing, and the other end is provided with an optical fiber clamping groove.

3. The multi-dimensional rotatable optical fiber coupling adjusting bracket according to claim 2, wherein the optical fiber clamping groove of the optical fiber rotation adjusting shaft on the left five-dimensional adjusting bracket has one end communicated with the end surface of the corresponding optical fiber rotation adjusting shaft and the other end connected with a large circular groove, the large circular groove is coaxial with the corresponding optical fiber clamping groove, the inner diameter of the large circular groove is larger than the inner diameter of the corresponding optical fiber clamping groove, the upper portion of the optical fiber clamping groove and the upper portion of the large circular groove are respectively flared gradually towards two sides to form a left V-shaped groove, the optical fiber clamping groove of the optical fiber rotation adjusting shaft on the right five-dimensional adjusting bracket has one end connected with a front large circular groove and the other end connected with a rear large circular groove, the front large circular groove is communicated with the end surface of the corresponding optical fiber rotation adjusting shaft, the front large circular groove, the rear large circular groove and the corresponding optical fiber clamping groove are coaxial, the inner diameter of the front large circular, the upper part of the optical fiber clamping groove, the upper part of the front big circular groove and the upper part of the rear big circular groove are respectively flared gradually towards two sides to form a right V-shaped groove, and the outer diameter of the optical fiber rotation adjusting shaft on the left five-dimensional adjusting frame is not larger than the inner diameter of the front big circular groove.

4. The multi-dimensional rotatable optical fiber coupling adjusting bracket according to claim 3, wherein a screw hole is formed at the bottom of the optical fiber clamping groove, and a jackscrew is arranged in the screw hole.

5. The multi-dimensional rotatable optical fiber coupling adjusting bracket according to claim 1, wherein a plurality of screw holes are arranged in a row on the base, and the three-dimensional sliding table is fixed on the base by a plurality of screw rods which are respectively screwed into the screw holes.

6. The multi-dimensional rotatable fiber coupling alignment jig of claim 1, wherein the three-dimensional slide is NFP-3561 and the multi-dimensional alignment jig is OM6A-LBE 22.

Technical Field

The invention belongs to the technical field of optical fiber coupling adjusting structures, and particularly relates to a multi-dimensional rotatable optical fiber coupling adjusting frame.

Background

The optical Fiber Rotary connector (FORJ) is also called optical Fiber slip ring, optical Fiber Rotary Joint, optical hinge, etc. and is used to solve the transmission problem of optical signal between opposite rotating parts, i.e. to ensure that the transmission of optical signal is not interrupted by rotation.

In the existing optical fiber rotary connector, more than two optical fibers are generally fixedly installed, before the optical fibers are fixedly installed, the optical fibers need to be precisely adjusted to realize low-loss stable transmission, and an adjusting frame in the existing market can meet the requirement of multi-dimensional adjustment but cannot meet the requirement of rotary adjustment; or the rotation adjustment can be satisfied but the multi-dimension adjustment cannot be satisfied, the repetition is poor, and the operation is complex; or the automation degree is high, the operation is convenient, but the cost is high.

Disclosure of Invention

In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a rotatable fiber coupling alignment jig of multidimension degree, including the base, detachable installs five left dimension alignment jigs and five right dimension alignment jigs on the base, and five left dimension alignment jigs and five right dimension alignment jigs' structure is the same, and wherein five left dimension alignment jigs comprise the three-dimensional slip table of installing on the base and the multidimension alignment jig of installing on three-dimensional slip table through the support frame, install the rotatory regulating spindle of optic fibre on the multidimension alignment jig on five left dimension alignment jigs and the multidimension alignment jig on five right dimension alignment jigs respectively.

Preferably, one end of the optical fiber rotation adjusting shaft is rotatably mounted on the corresponding multidimensional adjusting frame through a bearing, and the other end of the optical fiber rotation adjusting shaft is provided with an optical fiber clamping groove.

Preferably, one end of the optical fiber clamping groove of the optical fiber rotation adjusting shaft on the left five-dimensional adjusting frame is communicated with the end surface of the corresponding optical fiber rotation adjusting shaft, the other end of the optical fiber rotation adjusting shaft is connected with a large circular groove, the large circular groove is coaxial with the corresponding optical fiber clamping groove, the inner diameter of the large circular groove is larger than the inner diameter of the corresponding optical fiber clamping groove, the upper part of the optical fiber clamping groove and the upper part of the large circular groove are respectively flared towards two sides to form a left V-shaped groove, one end of the optical fiber clamping groove of the optical fiber rotation adjusting shaft on the right five-dimensional adjusting frame is connected with a front large circular groove, the other end of the optical fiber clamping groove is connected with a rear large circular groove, the front large circular groove is communicated with the end surface of the corresponding optical fiber rotation adjusting shaft, the front large circular groove, the rear large circular groove and the corresponding optical fiber clamping groove are coaxial, the inner diameter of the front large circular groove is larger than the inner diameter of the rear large circular groove, the, the outer diameter of the optical fiber rotary adjusting shaft on the left five-dimensional adjusting frame is not larger than the inner diameter of the front big circular groove.

Preferably, the bottom of the optical fiber clamping groove is provided with a screw hole, and a jackscrew is arranged in the screw hole.

Preferably, the base is provided with a plurality of screw holes in alignment, and the three-dimensional sliding table is fixed on the base through a plurality of screw rods screwed into the screw holes respectively.

Preferably, the model of the three-dimensional sliding table is NFP-3561, and the model of the multi-dimensional adjusting frame is OM6A-LBE 22.

The invention has the beneficial effects that: the invention aims to provide a multi-dimensional rotatable optical fiber coupling adjusting frame, which not only can perform multi-dimensional and rotation adjustment, but also has better repeatability, realizes low-loss stable transmission of an optical fiber rotary connector, and has the advantages of simple structure, low cost, convenience in operation, good effect and the like.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of an optical fiber rotation adjusting shaft.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-2, a rotatable fiber coupling alignment jig of multidimension, including base 1, detachable installation has left five dimension alignment jig 2 and right five dimension alignment jig 3 on the base 1, and left five dimension alignment jig 2 is the same with structure of right five dimension alignment jig 3, and wherein left five dimension alignment jig 2 comprises three-dimensional slip table 4 and the multidimension alignment jig 6 of installing on three-dimensional slip table 4 through support frame 5 on the base 1, installs the rotatory regulating spindle 7 of optic fibre on the multidimension alignment jig 6 on the five dimension alignment jig 6 on the left five dimension alignment jig 2 and the multidimension alignment jig 6 on the five dimension alignment jig 3 on the right side respectively. The three-dimensional sliding table 4 can realize size adjustment in the front-back direction, the left-right direction and the up-down direction. The multi-dimensional adjusting frame 6 can realize the adjustment of five directions of vertical, horizontal, front-back, horizontal included angles, vertical included angles and rotation.

Furthermore, one end of the optical fiber rotation adjusting shaft 7 is rotatably installed on the corresponding multidimensional adjusting frame 6 through a bearing, and the other end of the optical fiber rotation adjusting shaft is provided with an optical fiber clamping groove 8. The optical fiber rotation adjusting shaft 7 is pressed into a bearing fixing seat of the multidimensional adjusting frame 6 in a bearing tight-fitting mode.

Further, one end of an optical fiber clamping groove 8 of the optical fiber rotation adjusting shaft 7 on the left five-dimensional adjusting frame 2 is communicated with the end surface of the corresponding optical fiber rotation adjusting shaft 7, the other end of the optical fiber rotation adjusting shaft is connected with a large circular groove 9, the large circular groove 9 is coaxial with the corresponding optical fiber clamping groove 8, the inner diameter of the large circular groove 9 is larger than the inner diameter of the corresponding optical fiber clamping groove 8, the upper portion of the optical fiber clamping groove 8 and the upper portion of the large circular groove 9 are respectively flared towards two sides to form a left V-shaped groove 10, one end of the optical fiber clamping groove 8 of the optical fiber rotation adjusting shaft 7 on the right five-dimensional adjusting frame 3 is connected with a front large circular groove 12 and the other end is connected with a rear large circular groove 13, the front large circular groove 12 is communicated with the end surface of the corresponding optical fiber rotation adjusting shaft 7, the front large circular groove 12, the rear large circular groove 13 and the corresponding optical fiber clamping groove 8 are coaxial, the inner diameter of the rear large circular groove 13 is larger than the inner diameter of the, the outer diameter of the optical fiber rotation adjusting shaft 7 on the left five-dimensional adjusting frame 2 is not larger than the inner diameter of the front big circular groove 12. The large circular groove 9, the rear large circular groove 13, the left V-shaped groove 10 and the right V-shaped groove 14 are used for facilitating manual insertion of optical fibers into the corresponding optical fiber clamping grooves 8, and operation is facilitated. When adjusting, the end part of the optical fiber rotary adjusting shaft 7 on the left five-dimensional adjusting frame 2 is inserted into the front big circular groove 12, and the initial adjustment alignment of the left five-dimensional adjusting frame 2 and the right five-dimensional adjusting frame 3 is rapidly carried out.

Furthermore, a screw hole is formed in the bottom of the optical fiber clamping groove 8, and a jackscrew is arranged in the screw hole. The optical fiber 15 is in clearance fit with the optical fiber slot 8, so that the insertion of the optical fiber 15 is facilitated. And then the optical fiber 15 is fixed on the optical fiber clamping groove 8 by using a jackscrew to prevent the optical fiber from loosening. The problem of low loss of the two optical fibers 15 in the non-contact optical transmission rotation process is solved by manually adjusting the left five-dimensional adjusting frame 2 and the right five-dimensional adjusting frame 3 and rotating the optical fiber rotation adjusting shaft 7.

Furthermore, a plurality of screw holes 16 are arranged in an array on the base 1, and the three-dimensional sliding table 4 is fixed on the base 1 through a plurality of screw rods which are screwed into the screw holes 16 respectively.

Further, the three-dimensional sliding table 4 is preferably a three-dimensional sliding table manufactured by Beijing Zhuo Li Han optical instruments, Inc. and having a model number of NFP-3561, and the multi-dimensional adjusting frame 6 is preferably a multi-dimensional adjusting frame manufactured by Beijing Zhuo Li Han optical instruments, Inc. and having a model number of OM6A-LBE 22.

It should be noted that the technical features of the three-dimensional sliding table 4, the multi-dimensional adjusting frame 6, and the like, which are referred to in the present patent application, should be regarded as the prior art, and the specific structure, the operation principle, the control mode and the spatial arrangement mode, which may be referred to in the present patent application, may be selected conventionally in the art, and should not be regarded as the invention point of the present patent, and the present patent is not further specifically described in detail.

Having described preferred embodiments of the present invention in detail, it is to be understood that modifications and variations may be resorted to without departing from the spirit and scope of the invention as defined by the appended claims.