CN219978579U - Butterfly-shaped lead-in optical cable with protection module - Google Patents
Butterfly-shaped lead-in optical cable with protection module Download PDFInfo
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- CN219978579U CN219978579U CN202321231505.XU CN202321231505U CN219978579U CN 219978579 U CN219978579 U CN 219978579U CN 202321231505 U CN202321231505 U CN 202321231505U CN 219978579 U CN219978579 U CN 219978579U
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Abstract
The utility model belongs to the field of optical cables, and discloses a butterfly-shaped lead-in optical cable with a protection module, which comprises a cable core and an outer sheath, and is characterized in that the cable core consists of a butterfly-shaped lead-in unit with a special-shaped structure and two identical protection modules; the special-shaped structure butterfly-shaped introducing unit is of an integral structure formed by extrusion molding, and is of a special structure; the protection module consists of a clamping convex column, a protection body and a protection extension body which are of an integrated structure, one end of the clamping convex column is connected with one end of the protection body, the other end of the protection body is connected with one end of the protection extension body, and the protection body and the protection extension body are of a bent structure; in the combined state, the two protection modules are clamped with the butterfly-shaped introducing unit with the special-shaped structure to form a cable core with a cylindrical surface; the outer sheath is located outside the cable core. The utility model has the following main beneficial technical effects: the product is convenient to manufacture, round in structure, smooth in appearance, stable and reliable in structure, convenient to assemble, stronger in compression resistance and impact resistance and lower in cost.
Description
Technical Field
The utility model belongs to the field of optical cables, and particularly relates to a butterfly-shaped lead-in optical cable with a protection module.
Background
The structure of the butterfly-shaped lead-in optical cable in the prior art has been clearly specified in the standard YD/T1997 of the communication industry of the people's republic of China, the butterfly-shaped lead-in optical cable is in an accessory A, the cross section of the butterfly-shaped lead-in optical cable is in a shape of a rectangle or a calabash with unfilled corners, when the butterfly-shaped lead-in optical cable is in a pipeline, reinforcing pieces with round or oval cross sections are usually placed on two sides of a tearing groove of the butterfly-shaped lead-in optical cable, then the reinforcing pieces and the butterfly-shaped lead-in optical cable are coated together, and then a plastic layer is extruded outside, or a forming material is firstly coated, and then an outer plastic layer is extruded on the forming material to form an outer sheath, so that the coating of the forming material is troublesome, the cost is increased, the diameter of the optical cable is increased, the cost of the product is high, on the other hand, the coating of the forming material cannot lead-in the round and smooth cross section of the product, and after the coating layer is removed, the reinforcing pieces and the butterfly-shaped lead-in optical cable are scattered, and the structure is extremely unstable; moreover, when the butterfly-shaped lead-in optical cable with the pipeline structure formed in the mode is subjected to external force, the reinforcing piece is extremely easy to damage the butterfly-shaped lead-in optical cable; the manufacturing equipment is complex, the cost is high, the occupied area is large, and the assembly is inconvenient.
CN115079362a discloses a butterfly-shaped optical cable with a plurality of special-shaped introducing units, which is provided with a protecting component and a special-shaped introducing unit, and is characterized in that: the special-shaped introducing unit consists of an optical fiber, a pair of reinforcing members and a first special-shaped sheath; the protection part consists of an outer sheath and a second special-shaped sheath, the second special-shaped sheath consists of a first special-shaped body and a second special-shaped body, one side edge of the second special-shaped sheath is combined with the inner wall of the outer sheath, the inner wall of the outer sheath and the second special-shaped sheath jointly enclose a containing cavity, special-shaped introducing units are positioned in the containing cavity and are distributed with the second special-shaped sheath at intervals along the clockwise or anticlockwise direction of the inner wall of the outer sheath, and the outer edges of any two special-shaped introducing units, which are close to the center of the optical cable, are circumscribed; each second shaped sheath is embedded in the side edge of the shaped lead-in unit adjacent to the second shaped sheath.
CN213482529U discloses an improved butterfly-shaped drop cable having two first protective housings, two second protective housings, a butterfly-shaped drop unit; the method is characterized in that: the first and second protective shells have special structures; the butterfly-shaped introducing unit is positioned in the accommodating cavity.
CN108387984a discloses a butterfly-shaped lead-in optical cable, which is composed of an optical fiber, reinforcing members positioned at two sides of the optical fiber, and a sheath layer integrally covering the optical fiber and the reinforcing members; the sheath layer above and below the optical fiber is provided with a tearing opening; the optical fiber is not contacted with the reinforcing member, and is characterized in that the reinforcing member is a nonmetallic reinforcing member for an optical cable; the nonmetallic reinforcing parts for the optical cables have special structures and are made of special materials.
Therefore, the butterfly-shaped lead-in optical cable with the pipeline structure in the prior art mainly has the following defects: the product is not round and smooth; the manufacturing is complex, the structure is unstable, the assembly is inconvenient, and the butterfly-shaped introducing unit is easily damaged by the reinforcing piece under stress.
Disclosure of Invention
In order to solve the above problems, the present utility model aims to disclose a butterfly-shaped drop cable with a protection module, which is realized by adopting the following technical scheme.
The utility model provides a butterfly-shaped introducing optical cable with protection module, includes the cable core, is located the oversheath outside the cable core, its characterized in that: the cable core consists of a butterfly-shaped introducing unit with a special-shaped structure and two identical protection modules; the special-shaped structure butterfly-shaped introducing unit is of an integrated structure formed by extrusion molding, and comprises a first butterfly-shaped sheath body, a second butterfly-shaped sheath body, a butterfly-shaped sheath connector, an optical waveguide, a first reinforcing piece, a second extending column and a first extending column, wherein the first butterfly-shaped sheath body and the second butterfly-shaped sheath body are connected by the butterfly-shaped sheath connector, the upper surface of the first butterfly-shaped sheath body is a part of a cylindrical surface, the lower surface of the second butterfly-shaped sheath body is a part of a cylindrical surface, the first reinforcing piece is positioned in the first butterfly-shaped sheath body, the second reinforcing piece is positioned in the second butterfly-shaped sheath body, the first extending column extends from the left upper side to the left lower side of the first butterfly-shaped sheath body, the second extending column extends from the right lower side of the second butterfly-shaped sheath body to the right upper side, the left outer edge of the first extending column is called as the outer edge of the second extending column, a second clamping groove is formed between the first extending column and the second butterfly-shaped sheath body, the second clamping groove is formed between the second extending column and the first butterfly-shaped sheath body, the second extending column and the first sheath body is positioned between the lower surface of the first butterfly-shaped sheath body and the first sheath body is positioned on the cylindrical surface, the diameter of the first butterfly-shaped sheath body is coincident with the cylindrical surface, and the first optical waveguide is positioned on the cylindrical surface, and the cylindrical surface is positioned on the cylindrical surface; the protection module is composed of a clamping convex column, a protection body and a protection extension body, the protection module is of an integrated structure, one end of the clamping convex column is connected with one end of the protection body, the other end of the protection body is connected with one end of the protection extension body, the protection body and the protection extension body are of a bent structure, a containing cavity is formed between the clamping convex column and the protection body, the inner edge of the protection body is arranged on a third cylindrical surface, the outer edge of the protection extension body, the outer edge of the protection body and the outer edge of one end of the clamping convex column are arranged on a fourth cylindrical surface, the diameter of a cylinder where the third cylindrical surface is arranged is smaller than the diameter of a cylinder where the fourth cylindrical surface is arranged, the axis of the third cylindrical surface coincides with the axis of the fourth cylindrical surface, the inner edge of the protection extension body is arranged between the third cylindrical surface and the fourth cylindrical surface except the joint of the protection body, and the outer edge of the other end of the clamping convex column is arranged in the third cylindrical surface; the diameter of the cylinder where the first cylindrical surface is located is equal to that of the cylinder where the third cylindrical surface is located, and the diameter of the cylinder where the second cylindrical surface is located is equal to that of the cylinder where the fourth cylindrical surface is located; in the combined state, the other end of the clamping convex column of the first protection module is clamped in the second clamping groove, the inner edge of the protection body of the first protection module is clung to the lower surface of the second butterfly-shaped sheath body, the inner edge of the protection extension body of the first protection module is clung to the lower surface of the second extension column, the other end of the clamping convex column of the second protection module is clamped in the first clamping groove, the inner edge of the protection body of the second protection module is clung to the upper surface of the first butterfly-shaped sheath body, and the inner edge of the protection extension body of the second protection module is clung to the upper surface of the first extension column; the outer edges of the two protection modules, the outer edges of the first extending column and the outer edges of the second extending column are on the same cylindrical surface, and the outer sheath is positioned outside the cable core.
The butterfly-shaped lead-in optical cable with protection module described above, its characterized in that: the lower surface of the second extending column is provided with a second tearing opening, the upper surface of the second extending column is provided with a first tearing opening, the lower surface of the first extending column is provided with a fourth tearing opening, the upper surface of the first extending column is provided with a third tearing opening, and the right edge of the first tearing opening, the left edge of the second tearing opening, the right edge of the third tearing opening and the left edge of the fourth tearing opening are arranged on the first cylindrical surface.
The butterfly-shaped lead-in optical cable with protection module described above, its characterized in that: the cross sections of the first reinforcing piece and the second reinforcing piece are sector-shaped.
The butterfly-shaped lead-in optical cable with protection module described above, its characterized in that: the clamping convex column is internally provided with a reinforcing piece, and the cross section of the reinforcing piece is round, elliptical or rectangular.
The butterfly-shaped lead-in optical cable with protection module described above, its characterized in that: the first butterfly sheath body, the second butterfly sheath body and the butterfly sheath connector form a butterfly sheath.
The butterfly-shaped lead-in optical cable with protection module described above, its characterized in that: the optical waveguide is a single optical fiber or an optical fiber ribbon composed of a plurality of optical fibers and an adhesive layer covering the plurality of optical fibers.
The utility model has the following main beneficial technical effects: the product is convenient to manufacture, round in structure, smooth in appearance, stable and reliable in structure, convenient to assemble, stronger in compression resistance and impact resistance and lower in cost.
Drawings
Fig. 1 is a schematic perspective view of an embodiment 1 of the present utility model after a section of dissection.
Fig. 2 is an enlarged schematic cross-sectional structure of fig. 1.
Fig. 3 is a schematic perspective view of the butterfly introduction unit of the special-shaped structure used in fig. 1.
Fig. 4 is an enlarged schematic cross-sectional structure of fig. 3.
Fig. 5 is a schematic perspective view of the protection module used in fig. 1.
Fig. 6 is an enlarged schematic cross-sectional structure of fig. 5.
Fig. 7 is a schematic perspective view of the embodiment 2 of the present utility model after a section of dissection.
Fig. 8 is an enlarged schematic cross-sectional structure of fig. 7.
Fig. 9 is a schematic perspective view of the butterfly introduction unit of the special-shaped structure used in fig. 7.
Fig. 10 is an enlarged schematic cross-sectional structure of fig. 9.
Fig. 11 is a schematic perspective view of the embodiment 3 of the present utility model after a section of dissection.
Fig. 12 is an enlarged schematic cross-sectional structure of fig. 11.
In order to make the present utility model and its implementation more clearly understood by those skilled in the art, the names corresponding to the reference numerals will be described one by one with reference to the drawings in the specification. In the figure: the special-shaped structure butterfly-shaped introducing unit comprises a 1-special-shaped structure butterfly-shaped introducing unit, a 2-protection module, a 11-first butterfly-shaped sheath body, a 12-second butterfly-shaped sheath body, a 13-butterfly-shaped sheath connector, a 14-optical waveguide, a 15-first reinforcing piece, a 16-second reinforcing piece, a 17-second extending column, a 18-first extending column, a 110-first clamping groove, a 120-second clamping groove, a 171-second extending column outer edge, a 172-first tearing opening, a 173-second tearing opening, a 181-first extending column outer edge, a 182-third tearing opening, a 183-fourth tearing opening, an a-first cylindrical surface, a b-second cylindrical surface, a 20-containing cavity, a 21-clamping convex column, a 22-protection body, a 23-protection extending body, a c-third cylindrical surface and a d-fourth cylindrical surface.
Detailed Description
Example 1
Please refer to fig. 1 to 6, a butterfly-shaped drop cable with a protection module, which comprises a cable core and an outer sheath outside the cable core, and is characterized in that: the cable core consists of a butterfly-shaped introducing unit 1 with a special-shaped structure and two identical protecting modules 2; the special-shaped structure butterfly-shaped introducing unit 1 is an integrated structure formed by extrusion molding, the special-shaped structure butterfly-shaped introducing unit 1 is composed of a first butterfly-shaped sheath body 11, a second butterfly-shaped sheath body 12, a butterfly-shaped sheath connecting body 13, an optical waveguide 14, a first reinforcing piece 15, a second reinforcing piece 16, a second extending column 17 and a first extending column 18, the butterfly-shaped sheath connecting body 13 connects the first butterfly-shaped sheath body 11 and the second butterfly-shaped sheath body 12, the upper surface of the first butterfly-shaped sheath body 11 is a part of a cylindrical surface, the lower surface of the second butterfly-shaped sheath body 12 is a part of a cylindrical surface, the first reinforcing piece 15 is positioned in the first butterfly-shaped sheath body 11, the second reinforcing piece 16 is positioned in the second butterfly-shaped sheath body 12, the first extending column 18 extends from the left upper side to the left lower side of the first butterfly-shaped sheath body 11, the second extending column 17 extends from the right lower side of the second butterfly sheath body 12 to the right upper side, the left outer edge of the first extending column 18 is called a first extending column outer edge 181, the right outer edge of the second extending column 17 is called a second extending column outer edge 171, a second clamping groove 120 is formed between the first extending column 18 and the second butterfly sheath body 12, a first clamping groove 110 is formed between the second extending column 17 and the first butterfly sheath body 11, the optical waveguide 14 is positioned in the butterfly sheath body 13, the upper surface of the first butterfly sheath body 11 and the lower surface of the second butterfly sheath body 12 are arranged on a first cylindrical surface a, the first extending column outer edge 181 and the second extending column outer edge 171 are arranged on a second cylindrical surface b, the diameter of a cylinder where the first cylindrical surface a is positioned is smaller than the diameter of a cylinder where the second cylindrical surface b is positioned, and the axis of the first cylindrical surface a is overlapped with the axis of the second cylindrical surface b; the protection module 2 is composed of a clamping convex column 21, a protection body 22 and a protection extension body 23, the protection module 2 is of an integrated structure, one end of the clamping convex column 21 is connected with one end of the protection body 22, the other end of the protection body 22 is connected with one end of the protection extension body 23, the protection body 22 and the protection extension body 23 are of a bent structure, a containing cavity 20 is formed between the clamping convex column 21 and the protection body 22, the inner edge of the protection body 22 is arranged on a third cylindrical surface c, the outer edge of the protection extension body 23, the outer edge of the protection body 22 and the outer edge of one end of the clamping convex column 21 are arranged on a fourth cylindrical surface d, the diameter of a cylinder where the third cylindrical surface c is arranged is smaller than the diameter of a cylinder where the fourth cylindrical surface d is arranged, the axis of the third cylindrical surface c coincides with the axis of the fourth cylindrical surface d, the inner edge of the protection extension body 23 is arranged between the third cylindrical surface c and the fourth cylindrical surface d except for the connection part with the protection body 22, and the outer edge of the other end of the clamping convex column 21 is arranged in the third cylindrical surface c; the diameter of the cylinder where the first cylindrical surface a is positioned is equal to the diameter of the cylinder where the third cylindrical surface c is positioned, and the diameter of the cylinder where the second cylindrical surface b is positioned is equal to the diameter of the cylinder where the fourth cylindrical surface d is positioned; in the combined state, the other end of the clamping convex column 21 of the first protection module 2 is clamped in the second clamping groove 120, the inner edge of the protection body 22 of the first protection module 2 is tightly clung to the lower surface of the second butterfly-shaped sheath body 12, the inner edge of the protection extension body 23 of the first protection module 2 is tightly clung to the lower surface of the second extension column 17, the other end of the clamping convex column 21 of the second protection module 2 is clamped in the first clamping groove 110, the inner edge of the protection body 22 of the second protection module 2 is tightly clung to the upper surface of the first butterfly-shaped sheath body 11, and the inner edge of the protection extension body 23 of the second protection module 2 is tightly clung to the upper surface of the first extension column 18; the outer edges of the two protection modules, the first extending column outer edge 181 and the second extending column outer edge 171 are on the same cylindrical surface, and the outer sheath is positioned outside the cable core.
Example 2 of the embodiment
Please refer to fig. 7 to 10, and refer to fig. 1 to 6, a butterfly drop cable with a protection module is basically the same as embodiment 1, except that: the second extending pillar 17 has a second tearing hole 173 on its lower surface, the second extending pillar 17 has a first tearing hole 172 on its upper surface, the first extending pillar 18 has a fourth tearing hole 183 on its lower surface, the first extending pillar 18 has a third tearing hole 182 on its upper surface, and the right edge of the first tearing hole 172, the left edge of the second tearing hole 173, the right edge of the third tearing hole 182, and the left edge of the fourth tearing hole 183 are on the first cylindrical surface a.
Example 3
Please refer to fig. 11 and 12, and refer to fig. 1 to 10, a butterfly drop cable with a protection module is basically the same as embodiment 2, except that: the cross sections of the first reinforcing member 15 and the second reinforcing member 16 are both in the shape of a sector ring, and can have a larger effective area and a higher tensile strength than the circular or elliptical cross sections in the embodiment examples 1 and 2.
Of course, the first reinforcement 15, the second reinforcement 16 structure in this embodiment example can also be used in embodiment example 1.
A butterfly drop cable with protection module as in any preceding embodiment, wherein: the engaging protruding column 21 may further have a reinforcing member therein, and the cross-sectional shape of the reinforcing member may be circular or elliptical or rectangular or other shape, so long as the tensile force of the optical cable can be enhanced.
A butterfly drop cable with protection module as in any preceding embodiment, wherein: the optical waveguide 14 is a single optical fiber or an optical fiber ribbon composed of a plurality of optical fibers and an adhesive layer covering the plurality of optical fibers.
The butterfly-shaped lead-in optical cable with protection module described above, its characterized in that: the optical fiber is G.652 or G.653 or G.654 or G.655 or G.656 or G.657 or A1a or A1b or A1c or A1d or A1e.
A butterfly drop cable with protection module as in any preceding embodiment, wherein: each protection module 2 is of unitary construction.
A butterfly drop cable with protection module as in any preceding embodiment, wherein: the material of the protection module 2 is plastic.
A butterfly drop cable with protection module as in any preceding embodiment, wherein: the first butterfly sheath body 11, the second butterfly sheath body 12 and the butterfly sheath connector 13 form a butterfly sheath.
A butterfly drop cable with protection module as in any preceding embodiment, wherein: the butterfly sheath is made of plastic.
A butterfly drop cable with protection module as in any preceding embodiment, wherein: the material of the first reinforcement 15 is steel or iron or aluminium or copper or lead or glass fibre reinforced plastic.
A butterfly drop cable with protection module as in any preceding embodiment, wherein: the material of the second reinforcement 16 is steel or iron or aluminium or copper or lead or glass fibre reinforced plastic.
The utility model discloses a butterfly-shaped lead-in optical cable with a protection module, which is characterized in that: the outer sheath is directly coated outside the cable core; or at least one middle protective layer is arranged between the cable core and the outer sheath, and when the middle protective layer is arranged, the middle protective layer is usually a steel belt, an aluminum belt, a copper belt, a glass fiber belt, a water-blocking belt, a non-woven fabric or a woven net; when the plastic is used for multiple layers, the plastic can be compounded with a plastic layer, so that the protection purpose of different performances can be achieved.
In the utility model, in the combined state, the two protection modules are clamped with the butterfly-shaped introducing unit with the special-shaped structure to form a complete cable core with a cylindrical surface and form an integrated structure, and after the outer sheath or at least one middle protection layer possibly arranged is coated outside, the product is more round and smoother in appearance; moreover, the integral cable core structure, particularly the existence of the protection module and the cooperation of the protection module with the first extension column and the second extension column, ensure that the butterfly-shaped introducing unit with the special-shaped structure is effectively protected on the whole, namely the circumference; moreover, if the reinforcing piece is arranged, the tension can be enhanced more; in addition, the clamping convex columns are clamped into the first clamping groove and the second clamping groove and are adhered to the inner walls of the first clamping groove and the second clamping groove, so that a solid structure is achieved, and when external force is impacted or pressed, the reinforcing piece cannot crush the butterfly-shaped introducing unit with the special-shaped structure due to the existence of the clamping convex columns, so that surface contact is formed, and pressure is buffered; the clamping convex column, the protection body and the protection extension body further protect the butterfly-shaped introducing unit with the special-shaped structure outside the first butterfly-shaped sheath body and the second butterfly-shaped sheath body, so that external impact force and pressure can be effectively relieved, and when the material of the butterfly-shaped introducing unit adopts foamed plastic, the butterfly-shaped introducing unit can be better buffered, and meanwhile, the product quality is lighter and the cost is lower; the existence of first to fourth tearing openings can tear partial first extending column and second extending column when construction is continued, guarantees the size of special-shaped structure butterfly-shaped introducing unit, can conveniently match with the optical fiber connector in the prior art, does not need to redesign and manufacture the optical fiber connector, and can be conveniently used.
The utility model has the following main beneficial technical effects: the product is convenient to manufacture, round in structure, smooth in appearance, stable and reliable in structure, convenient to assemble, stronger in compression resistance and impact resistance and lower in cost.
The above-described embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model. The protection scope of the present utility model is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.
Claims (8)
1. The utility model provides a butterfly-shaped introducing optical cable with protection module, includes the cable core, is located the oversheath outside the cable core, its characterized in that: the cable core consists of a butterfly-shaped introducing unit (1) with a special-shaped structure and two identical protecting modules (2); the special-shaped structure butterfly-shaped introducing unit (1) is of an integrated structure formed by extrusion molding, the special-shaped structure butterfly-shaped introducing unit (1) is composed of a first butterfly-shaped sheath body (11), a second butterfly-shaped sheath body (12), a butterfly-shaped sheath connecting body (13), a light waveguide (14), a first reinforcing piece (15), a second reinforcing piece (16), a second extending column (17) and a first extending column (18), the butterfly-shaped sheath connecting body (13) connects the first butterfly-shaped sheath body (11) and the second butterfly-shaped sheath body (12), the upper surface of the first butterfly-shaped sheath body (11) is a part of a cylindrical surface, the lower surface of the second butterfly-shaped sheath body (12) is a part of a cylindrical surface, the first reinforcing piece (15) is positioned in the first butterfly-shaped sheath body (11), the second reinforcing piece (16) is positioned in the second butterfly-shaped sheath body (12), the first extending column (18) extends from the upper left side to the lower left side of the first butterfly-shaped sheath body (11), the second extending column (17) extends from the lower right side of the upper right side of the second butterfly-shaped sheath body (12), the outer edge (17) is clamped with the second outer edge (17) of the second butterfly-shaped sheath body (17) to form a groove (181), a first clamping groove (110) is formed between the second extending column (17) and the first butterfly-shaped sheath body (11), the optical waveguide (14) is positioned in the butterfly-shaped sheath connector (13), the upper surface of the first butterfly-shaped sheath body (11) and the lower surface of the second butterfly-shaped sheath body (12) are arranged on a first cylindrical surface (a), the outer edge (181) of the first extending column and the outer edge (171) of the second extending column are arranged on a second cylindrical surface (b), the diameter of a cylinder where the first cylindrical surface (a) is positioned is smaller than the diameter of a cylinder where the second cylindrical surface (b) is positioned, and the axis of the first cylindrical surface (a) is overlapped with the axis of the second cylindrical surface (b); the protection module (2) is composed of a clamping convex column (21), a protection body (22) and a protection extension body (23), the protection module (2) is of an integrated structure, one end of the clamping convex column (21) is connected with one end of the protection body (22), the other end of the protection body (22) is connected with one end of the protection extension body (23), the protection body (22) and the protection extension body (23) are of a bent structure, a containing cavity (20) is formed between the clamping convex column (21) and the protection body (22), the inner edge of the protection body (22) is arranged on a third cylindrical surface (c), the outer edge of the protection extension body (23), the outer edge of the protection body (22) and the outer edge of one end of the clamping convex column (21) are arranged on a fourth cylindrical surface (d), the diameter of the cylinder where the third cylindrical surface (c) is located is smaller than the diameter of the cylinder where the fourth cylindrical surface (d), the axis of the third cylindrical surface (c) coincides with the axis of the fourth cylindrical surface (d), the inner edge of the protection extension body (23) is arranged between the third cylindrical surface and the outer edge of the third cylindrical surface (c) except where the protection body (22) is connected; the diameter of the cylinder where the first cylindrical surface (a) is located is equal to the diameter of the cylinder where the third cylindrical surface (c) is located, and the diameter of the cylinder where the second cylindrical surface (b) is located is equal to the diameter of the cylinder where the fourth cylindrical surface (d) is located; in the combined state, the other end of the clamping convex column (21) of the first protection module (2) is clamped in the second clamping groove (120), the inner edge of the protection body (22) of the first protection module (2) is tightly attached to the lower surface of the second butterfly-shaped sheath body (12), the inner edge of the protection extension body (23) of the first protection module (2) is tightly attached to the lower surface of the second extension column (17), the other end of the clamping convex column (21) of the second protection module (2) is clamped in the first clamping groove (110), the inner edge of the protection body (22) of the second protection module (2) is tightly attached to the upper surface of the first butterfly-shaped sheath body (11), and the inner edge of the protection extension body (23) of the second protection module (2) is tightly attached to the upper surface of the first extension column (18); the outer edges of the two protection modules, the outer edges (181) of the first extending column and the outer edges (171) of the second extending column are arranged on the same cylindrical surface, and the outer sheath is arranged outside the cable core.
2. A butterfly drop cable with protection module according to claim 1, wherein: the lower surface of the second extending column (17) is provided with a second tearing opening (173), the upper surface of the second extending column (17) is provided with a first tearing opening (172), the lower surface of the first extending column (18) is provided with a fourth tearing opening (183), the upper surface of the first extending column (18) is provided with a third tearing opening (182), the right edge of the first tearing opening (172), the left edge of the second tearing opening (173), the right edge of the third tearing opening (182) and the left edge of the fourth tearing opening (183) are arranged on the first cylindrical surface (a).
3. A butterfly drop cable with protection module according to claim 1, wherein: the cross sections of the first reinforcing piece (15) and the second reinforcing piece (16) are sector-shaped.
4. A butterfly drop cable with protection module according to claim 3, wherein: the clamping convex column (21) is internally provided with a reinforcing piece, and the cross section of the reinforcing piece is round, elliptical or rectangular.
5. A butterfly drop cable with protection module according to claim 3, wherein: each protection module (2) is of unitary construction.
6. A butterfly drop cable with protection module according to claim 3, wherein: the material of the protection module (2) is plastic.
7. A butterfly drop cable with protection module according to claim 3, wherein: the material of the first reinforcement (15) is steel or iron or aluminum or copper or lead or glass fiber reinforced plastic.
8. A butterfly drop cable with protection module according to claim 3, wherein: the material of the second reinforcement (16) is steel or iron or aluminium or copper or lead or glass fibre reinforced plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321231505.XU CN219978579U (en) | 2023-05-19 | 2023-05-19 | Butterfly-shaped lead-in optical cable with protection module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117908206A (en) * | 2024-03-15 | 2024-04-19 | 苏州专创光电科技有限公司 | Butterfly-shaped optical cable and prefabricated end-forming optical cable adopting same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117908206A (en) * | 2024-03-15 | 2024-04-19 | 苏州专创光电科技有限公司 | Butterfly-shaped optical cable and prefabricated end-forming optical cable adopting same |
| CN117908206B (en) * | 2024-03-15 | 2024-05-17 | 苏州专创光电科技有限公司 | Butterfly-shaped optical cable and prefabricated end-forming optical cable adopting same |
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Effective date of registration: 20240511 Address after: 515041 No. 15, Keji East Road, Shantou high tech Zone, Shantou City, Guangdong Province Patentee after: SHANTOU HIGH-TECH ZONE AOXING OPTICAL COMMUNICATION EQUIPMENT Co.,Ltd. Country or region after: China Address before: 430073 Optics Valley Avenue, East Lake New Technology Development Zone, Wuhan, Hubei, 9 Patentee before: YANGTZE OPTICAL FIBRE AND CABLE JOINT STOCK Ltd. Country or region before: China Patentee before: CHANGFEI OPTICAL FIBER AND CABLE SHENYANG Co.,Ltd. |
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