CN210038278U - Inner and outer two-layer optical fiber bundle concentric arrangement assembly fixture - Google Patents
Inner and outer two-layer optical fiber bundle concentric arrangement assembly fixture Download PDFInfo
- Publication number
- CN210038278U CN210038278U CN201920824722.7U CN201920824722U CN210038278U CN 210038278 U CN210038278 U CN 210038278U CN 201920824722 U CN201920824722 U CN 201920824722U CN 210038278 U CN210038278 U CN 210038278U
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- optical fiber
- hole
- sleeve
- forming
- fiber sleeve
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Abstract
An inner layer and an outer layer of optical fiber bundle concentric arrangement assembly tool comprises a forming sleeve and a positioning base, wherein the forming sleeve is sequentially, axially and concentrically provided with an optical fiber lead-in hole, a forming hole and an optical fiber sleeve mounting hole; the positioning base is assembled on the right side face of the forming sleeve optical fiber sleeve mounting hole and is provided with a bottom plate and a circular step integrally formed on the left side face of the bottom plate, a forming blind hole is formed in the circular step, and a circular positioning blind hole which is concentric with the forming blind hole is formed in the inner bottom face of the forming blind hole; the optical fiber sleeve can be placed in the optical fiber sleeve mounting hole, the annular surface on the left side of the optical fiber sleeve can be abutted and attached to the reducing part between the forming hole and the optical fiber sleeve mounting hole, and the annular surface on the right side can be abutted and attached to the periphery of the opening edge of the forming blind hole; the inner-layer optical fiber bundle and the outer-layer optical fiber bundle can sequentially penetrate through the optical fiber sleeve leading-in hole, the forming hole and the optical fiber sleeve, the inner-layer optical fiber bundle is inserted into and uniformly distributed in the positioning blind hole, and the outer-layer optical fiber bundle is inserted into and uniformly distributed in an annular area between the forming blind hole and the inner-layer optical fiber bundle.
Description
Technical Field
The utility model relates to an assembly fixture of optic fibre specifically is an inside and outside two-layer optic fibre bundle arranges with one heart and uses assembly fixture.
Background
The light transmission type optical fiber sensor is manufactured by adopting a plurality of optical fibers, the optical fibers are manufactured into an inner layer and an outer layer, and the inner layer is an output optical fiber beam part of an output light source. The outer layer is a receiving optical fiber bundle part which wraps the output optical fiber bundle part and is used for receiving the reflected light of the output light source of the output optical fiber bundle part. The manufacture of such optical fibers requires the assurance of a concentric arrangement of the inner and outer layers. In the traditional manufacturing process, the optical fiber is manufactured and layered by pure hands, the assembly is slow, the labor cost is high, the layered boundaries of the inner layer and the outer layer are not obvious, the outer layer is wrapped unevenly, the consistency is poor and the like.
Disclosure of Invention
The utility model aims to provide a: aiming at the defects of the prior art, the assembling tool for concentrically arranging the inner layer optical fiber bundle and the outer layer optical fiber bundle is quick to assemble, obvious in boundary between the inner layer and the outer layer and even in outer layer wrapping.
The technical scheme adopted by the utility model is that the assembly tool for concentrically arranging the inner layer optical fiber bundle and the outer layer optical fiber bundle is characterized in that the outer layer optical fiber bundle is wrapped outside the inner layer optical fiber bundle through the optical fiber sleeve, the assembly tool comprises a forming sleeve and a positioning base, and the forming sleeve is provided with an optical fiber leading-in hole, a forming hole and an optical fiber sleeve mounting hole sequentially, axially and concentrically; the positioning base is assembled on the right side face of the forming sleeve optical fiber sleeve mounting hole in a detachable structure and is provided with a bottom plate and a circular step integrally formed on the left side face of the bottom plate, a forming blind hole is formed in the circular step, and a circular positioning blind hole which is concentric with the forming blind hole is formed in the inner bottom face of the forming blind hole; during assembly, the optical fiber sleeve can be placed in the optical fiber sleeve mounting hole, the annular surface on the left side of the optical fiber sleeve can be abutted and attached to a reducing part between the forming hole and the optical fiber sleeve mounting hole, and the annular surface on the right side can be abutted and attached to the periphery of the opening edge of the forming blind hole; the inner-layer optical fiber bundle can sequentially penetrate through the optical fiber leading-in hole, the forming hole and the optical fiber sleeve and is inserted and uniformly distributed in the positioning blind hole; the outer-layer optical fiber bundle can sequentially penetrate through the optical fiber leading-in hole, the forming hole and the optical fiber sleeve and is inserted into and uniformly distributed in an annular area formed between the forming blind hole and the inner-layer optical fiber bundle.
The optical fiber lead-in hole is in a horn shape with a large left end and a small right end.
Furthermore, the maximum inner diameter of the left end of the optical fiber lead-in hole is at least two times larger than the inner diameter of the optical fiber sleeve, and the inner diameter of the right end of the optical fiber lead-in hole is equal to the inner diameter of the optical fiber sleeve.
The inner diameter of the molding hole is equal to that of the optical fiber sleeve.
The inner diameter of the optical fiber sleeve mounting hole is equal to the outer diameter of the optical fiber sleeve, the length of the optical fiber sleeve mounting hole is larger than the length of the optical fiber sleeve, and the length of the optical fiber sleeve mounting hole is smaller than or equal to the sum of the length of the optical fiber sleeve and the length of the circular step.
The circular step of the positioning base is arranged in the optical fiber sleeve mounting hole from right to left, and the diameter of the circular step is equal to the inner diameter of the optical fiber sleeve mounting hole.
The inner diameter of the forming blind hole is equal to the inner diameter of the optical fiber sleeve.
The inner diameter of the positioning blind hole is equal to the diameter of the inner-layer optical fiber bundle.
A use method of an assembly tool for concentrically arranging inner and outer layers of optical fiber bundles comprises the following steps:
and 5, disassembling the positioning base, and taking the optical fiber sleeve and the inner and outer layers of optical fiber bundles molded in the optical fiber sleeve out of the right side of the molding sleeve optical fiber sleeve mounting hole to complete the assembly of the concentric arrangement of the inner and outer layers of optical fiber bundles.
The utility model has the advantages that: the utility model discloses in, assemble optic fibre through assembly fixture, the assembly is swift, the inside and outside two-layer boundary is obvious, outer parcel is even.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the use of example 1.
Fig. 2 is a schematic diagram of the structure of the optical fiber ferrule of fig. 1.
FIG. 3 is a schematic view of the structure of the sleeve of FIG. 1.
Fig. 4 is a schematic structural view of the positioning base in fig. 1.
Fig. 5 is a schematic view of the portion of the output fiber bundle of fig. 1.
Fig. 6 is a schematic view of the assembled optical fiber of fig. 1.
Fig. 7 is a right side view of fig. 6.
The reference numbers in the figures mean: 1-optical fiber sleeve; 101-inner hole; 2, forming a sleeve; 201-optical fiber leading-in hole; 202-forming holes; 203-optical fiber sleeve mounting holes; 204-a threaded hole; 205-screws; 3, positioning a base; 301-forming blind holes; 302-positioning the blind hole; 303-circular step; 304-a base plate; 305-a through hole; 4-an optical fiber; 401 — an output fiber bundle portion; 402-receiving a fiber bundle portion; 403 — inner layer fiber bundle; 404 — outer fiber bundle; 405-curing the setting section.
Detailed Description
Example 1
Referring to fig. 1 to 7: the utility model relates to an inside and outside two-layer optical fiber bundle arranges with one heart and uses assembly fixture, outer optical fiber bundle 404 is in through the parcel of fiber optic sleeve 1 the outside of inlayer optical fiber bundle 403, the hole 101 of fiber optic sleeve 1 is the constant diameter hole.
The assembly tool comprises a forming sleeve 2 and a positioning base 3.
The molding sleeve 2 is sequentially and axially provided with an optical fiber introduction hole 201, a molding hole 202 and an optical fiber sleeve mounting hole 203. In this embodiment, the optical fiber introduction hole 201, the molding hole 202, and the optical fiber jacket installation hole 203 are concentrically arranged, and the centers of the respective circles are on the same axis. The molding sleeve 2 has a plurality of screw holes 204 formed in a right end surface thereof.
The positioning base 3 is detachably mounted on the right side surface of the optical fiber sheath mounting hole 203 of the molding sheath 2, a molding blind hole 301 is opened on the left side surface of the positioning base 3 (the aperture size of the positioning blind hole 302 depends on the outer diameter of the inner optical fiber bundle 403), and a circular positioning blind hole 302 which is concentrically arranged with the molding blind hole 301 is opened on the inner bottom surface of the molding blind hole 301. In this embodiment, the positioning base 3 includes a bottom plate 304 and a circular step 303 integrally formed on the left side surface of the bottom plate 304, a through hole 305 matching and corresponding to the threaded hole 204 on the molding sleeve 2 is formed on the bottom plate 304, and a screw 205 is screwed into the corresponding through hole 305 and the threaded hole 204, so that the positioning base 3 is fixed on the right side surface of the molding sleeve 2 (when detaching, the screw 205 is loosened). The forming blind hole 301 is formed on the left side surface of the circular step 303, and the positioning blind hole 302 is formed on the inner bottom surface of the forming blind hole 301 of the circular step 303.
During assembly, the optical fiber sleeve 1 can be placed in the optical fiber sleeve mounting hole 203, the annular surface on the left side of the optical fiber sleeve 1 can be abutted and attached to a reduced diameter part (diameter change part) between the molding hole 202 and the optical fiber sleeve mounting hole 203, and the annular surface on the right side can be abutted and attached to the periphery of the opening edge of the molding blind hole 301; the inner-layer optical fiber bundles 403 can sequentially penetrate through the optical fiber leading-in hole 201, the molding hole 202 and the optical fiber sleeve 1 and are inserted into and uniformly distributed in the positioning blind hole 301; the outer-layer optical fiber bundles 404 can sequentially pass through the optical fiber introduction hole 201, the molding hole 202 and the optical fiber sleeve 1, and are inserted and uniformly distributed in an annular area formed between the molding blind hole 301 and the inner-layer optical fiber bundles 403.
For the convenience of putting the optical fiber 4 (here, the optical fiber bundle receiving portion 402) into the assembly tool from left to right, the optical fiber introduction hole 201 is in a horn shape with a large left end and a small right end. Preferably, the maximum inner diameter of the left end of the optical fiber introduction hole 201 is at least two times larger than the inner diameter of the optical fiber sleeve 1, and the minimum inner diameter of the right end is larger than or equal to the inner diameter of the optical fiber sleeve 1 (preferably, the minimum inner diameter of the right end of the optical fiber introduction hole 201 is equal to the inner diameter of the optical fiber sleeve 1, so as to facilitate the fluency of the optical fiber 4 placement).
The inner diameter of the molding hole 202 is smaller than the inner diameter of the optical fiber jacket installation hole 203, and is greater than or equal to the inner diameter of the optical fiber jacket 1 (preferably, the inner diameter of the molding hole 202 is equal to the inner diameter of the optical fiber jacket 1, so as to facilitate the fluency of the optical fiber 4 insertion), and is smaller than the outer diameter of the optical fiber jacket 1.
The inner diameter of the optical fiber sleeve mounting hole 203 is equal to the outer diameter of the optical fiber sleeve 1, the length of the optical fiber sleeve mounting hole is greater than the length of the optical fiber sleeve 1, and the length of the optical fiber sleeve mounting hole is less than or equal to the sum of the length of the optical fiber sleeve 1 and the length of the circular step 303 (preferably, the length of the optical fiber sleeve mounting hole 203 is slightly less than the sum of the length of the optical fiber sleeve 1 and the length of the circular step 303 so as.
The circular step 303 of the positioning base 3 is arranged in the optical fiber sleeve mounting hole 203 from the right to the left, and the diameter of the circular step 303 is equal to the inner diameter of the optical fiber sleeve mounting hole 203.
The inner diameter of the forming blind hole 301 of the positioning base 3 is equal to the inner diameter of the optical fiber sleeve 1.
The inner diameter of the positioning blind hole 302 of the positioning base 3 is equal to the diameter of the inner-layer optical fiber bundle 403.
In this embodiment, the optical fiber introduction hole 201, the molding hole 202, the optical fiber sheath installation hole 203, the inner hole of the optical fiber sheath 1, the molding blind hole 301 and the positioning blind hole 302 of the positioning base 3 are concentrically arranged, and all the centers of circles are on the same axis.
A use method of an assembly tool for concentrically arranging inner and outer layers of optical fiber bundles comprises the following steps:
and 5, disassembling the positioning base 3, and taking the optical fiber sleeve 1 and the inner and outer layers of optical fiber bundles molded in the optical fiber sleeve 1 out of the right side of the optical fiber sleeve mounting hole 203 of the molding sleeve 2 to complete the assembly of the concentric arrangement of the inner and outer layers of optical fiber bundles.
Example 2
An inner layer and an outer layer of optical fiber bundles are concentrically arranged and used for assembling, the assembling comprises a forming sleeve and a positioning base, the forming sleeve is sequentially and axially provided with an optical fiber leading-in hole and an optical fiber sleeve mounting hole, the peripheral wall of the optical fiber sleeve is provided with at least one fixed guide strip (preferably, two or three fixed guide strips) with the same length as the optical fiber sleeve along the axial direction of the optical fiber sleeve, the inner wall surface of the optical fiber sleeve mounting hole is provided with a fixed guide groove matched with and corresponding to the fixed guide strips along the axial direction, the left end of the fixed guide groove is of a blind seal structure, and the right end of the fixed guide groove is of an opening structure extending out of the optical fiber sleeve mounting hole towards the right side direction;
the optical fiber sleeve is arranged in the optical fiber sleeve mounting hole through the fixed guide strip and the fixed guide groove, the left end of the fixed guide strip on the optical fiber sleeve abuts against the leftmost end of the fixed guide groove to limit the optical fiber sleeve to move leftwards, and after the positioning base is arranged on the right end face of the forming sleeve in a detachable structure, the left end of the positioning base abuts against the right end annular face of the optical fiber sleeve to limit the optical fiber sleeve to move rightwards.
Example 3
The other structure of the present embodiment 3 is the same as that of the embodiment 2, except that: the outer peripheral wall of the optical fiber sleeve is not provided with a fixed guide strip, and the inner wall surface of the optical fiber forming hole is not provided with a fixed guide groove matched with the fixed guide strip. At least one threaded hole is radially arranged on the peripheral wall of the forming sleeve, a screw is screwed into the threaded hole under the threaded hole, the optical fiber sleeve is tightly pressed, and the optical fiber sleeve is prevented from moving left and right (axially moving) in the forming sleeve. After the inner layer of optical fiber bundle and the outer layer of optical fiber bundle are concentrically arranged and assembled, the screws are loosened, and the optical fiber sleeve can be taken out from the optical fiber leading-in hole of the forming sleeve more conveniently.
Example 4
The other structure of the present embodiment 4 is the same as that of embodiment 1 or 2, except that: the inner bottom surface of the forming blind hole is provided with a circular positioning boss which is arranged concentrically with the forming blind hole and extends towards the left side, and an annular restraint area for receiving the optical fiber bundle part is formed between the circular positioning boss and the forming blind hole. When the assembling tool is used, the receiving optical fiber bundle part is filled in the annular constraint area, and then the solidified condensation section of the output optical fiber bundle part extends into the circular area surrounded by the receiving optical fiber bundle part until the solidified condensation section abuts against the circular positioning boss.
The technical solutions of the above embodiments are only used for illustrating the present invention, and not for limiting the same. Although the present invention has been described in detail with reference to the technical solutions of the foregoing embodiments, those skilled in the art should understand that: the technical scheme can be modified, or part of technical characteristics can be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the present invention in its essence.
Claims (7)
1. The utility model provides an inside and outside two-layer optical fiber bundle arranges with one heart and uses assembly fixture, outer optical fiber bundle passes through the fiber jacket parcel in the outside of inlayer optical fiber bundle, its characterized in that: the assembly tool comprises a forming sleeve and a positioning base,
the forming sleeve is sequentially, axially and concentrically provided with an optical fiber leading-in hole, a forming hole and an optical fiber sleeve mounting hole;
the positioning base is assembled on the right side face of the forming sleeve optical fiber sleeve mounting hole in a detachable structure and is provided with a bottom plate and a circular step integrally formed on the left side face of the bottom plate, a forming blind hole is formed in the circular step, and a circular positioning blind hole which is concentric with the forming blind hole is formed in the inner bottom face of the forming blind hole;
during assembly, the optical fiber sleeve can be placed in the optical fiber sleeve mounting hole, the annular surface on the left side of the optical fiber sleeve can be abutted and attached to a reducing part between the forming hole and the optical fiber sleeve mounting hole, and the annular surface on the right side can be abutted and attached to the periphery of the opening edge of the forming blind hole; the inner-layer optical fiber bundle can sequentially penetrate through the optical fiber leading-in hole, the forming hole and the optical fiber sleeve and is inserted and uniformly distributed in the positioning blind hole; the outer-layer optical fiber bundle can sequentially penetrate through the optical fiber leading-in hole, the forming hole and the optical fiber sleeve and is inserted into and uniformly distributed in an annular area formed between the forming blind hole and the inner-layer optical fiber bundle.
2. The assembly fixture for concentrically arranging the inner and outer layers of optical fiber bundles according to claim 1, characterized in that: the optical fiber lead-in hole is in a horn shape with a large left end and a small right end, the maximum inner diameter of the left end of the optical fiber lead-in hole is at least two times larger than the inner diameter of the optical fiber sleeve, and the inner diameter of the right end of the optical fiber lead-in hole is equal to the inner diameter of the optical fiber sleeve.
3. The assembly fixture for concentrically arranging the inner and outer layers of optical fiber bundles according to claim 1, characterized in that: the inner diameter of the molding hole is equal to that of the optical fiber sleeve.
4. The assembly fixture for concentrically arranging the inner and outer layers of optical fiber bundles according to claim 1, characterized in that: the inner diameter of the optical fiber sleeve mounting hole is equal to the outer diameter of the optical fiber sleeve, the length of the optical fiber sleeve mounting hole is larger than the length of the optical fiber sleeve, and the length of the optical fiber sleeve mounting hole is smaller than or equal to the sum of the length of the optical fiber sleeve and the length of the circular step.
5. The assembly fixture for concentrically arranging the inner and outer layers of optical fiber bundles according to claim 1, characterized in that: the circular step of the positioning base is arranged in the optical fiber sleeve mounting hole from right to left, and the diameter of the circular step is equal to the inner diameter of the optical fiber sleeve mounting hole.
6. The assembly fixture for concentrically arranging the inner and outer layers of optical fiber bundles according to claim 1, characterized in that: the inner diameter of the forming blind hole is equal to the inner diameter of the optical fiber sleeve.
7. The assembly fixture for concentrically arranging the inner and outer layers of optical fiber bundles according to claim 1, characterized in that: the inner diameter of the positioning blind hole is equal to the diameter of the inner-layer optical fiber bundle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920824722.7U CN210038278U (en) | 2019-06-03 | 2019-06-03 | Inner and outer two-layer optical fiber bundle concentric arrangement assembly fixture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920824722.7U CN210038278U (en) | 2019-06-03 | 2019-06-03 | Inner and outer two-layer optical fiber bundle concentric arrangement assembly fixture |
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CN210038278U true CN210038278U (en) | 2020-02-07 |
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CN201920824722.7U Withdrawn - After Issue CN210038278U (en) | 2019-06-03 | 2019-06-03 | Inner and outer two-layer optical fiber bundle concentric arrangement assembly fixture |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110161642A (en) * | 2019-06-03 | 2019-08-23 | 四川九洲线缆有限责任公司 | Two layers of fiber optic bundle arranged concentric assembly tooling and application method inside and outside one kind |
-
2019
- 2019-06-03 CN CN201920824722.7U patent/CN210038278U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110161642A (en) * | 2019-06-03 | 2019-08-23 | 四川九洲线缆有限责任公司 | Two layers of fiber optic bundle arranged concentric assembly tooling and application method inside and outside one kind |
CN110161642B (en) * | 2019-06-03 | 2023-08-04 | 四川九洲线缆有限责任公司 | Assembly fixture for concentric arrangement of inner and outer optical fiber bundles and use method |
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Granted publication date: 20200207 Effective date of abandoning: 20230804 |