CN217588507U - Waterproof cable - Google Patents
Waterproof cable Download PDFInfo
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- CN217588507U CN217588507U CN202122667277.8U CN202122667277U CN217588507U CN 217588507 U CN217588507 U CN 217588507U CN 202122667277 U CN202122667277 U CN 202122667277U CN 217588507 U CN217588507 U CN 217588507U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a waterproof cable, waterproof cable includes conductor and surrounding layer, the surrounding layer includes crowded package insulating layer, the surrounding layer still includes reinforced waterproof layer and crowded package oversheath, reinforced waterproof layer includes semiconductive waterproofing area and metal covering waterproof layer, the cladding of semiconductive waterproofing area is in the outside of crowded package insulating layer, the cladding of metal covering waterproof layer is in the outside of semiconductive waterproofing area, crowded package oversheath cladding is in the outside of metal covering waterproof layer. The waterproof cable has good waterproof performance, can be soaked in water for long time for use, and is low in manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of the cable, concretely relates to waterproof cable.
Background
In many special engineering and project fields, a common low-voltage cable is generally required to be laid in the environment of a lake, a river and the like, and the cable is soaked in water for a long time, and the special use environment requires that the cable has good waterproof performance.
In the prior art, two waterproof cables are provided, one is a waterproof rubber jacketed wire, the cable is mainly waterproof through rubber insulation and a sheath, is mainly used for connecting and supplying power for a submersible pump and can be used underwater for a long time, but the cable is mainly used for the waterproof rubber jacketed wire with a small cross section and is not suitable for transmission and use of cables with larger underwater electric energy and larger cross section area; if the cable is designed and manufactured into a power cable, the process and material costs are high;
the other is a common water-blocking cable or a waterproof cable, the water-blocking yarn is filled, the water-blocking tape is wrapped, and the inner and outer protective layers are made of protective layer materials with good waterproof effects.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the above-mentioned not enough that exists among the prior art, provide a waterproof cable, waterproof cable has good waterproof performance, can soak for a long time and use under water, and its preparation low cost.
In order to solve the problem, the utility model adopts the following technical scheme:
a waterproof cable comprises a conductor and an outer cladding layer, wherein the outer cladding layer comprises an extruded insulating layer, the outer cladding layer further comprises a reinforced waterproof layer and an extruded outer sheath, the reinforced waterproof layer comprises a semiconductive water blocking tape and a metal sheath waterproof layer, the semiconductive water blocking tape is coated outside the extruded insulating layer, the metal sheath waterproof layer is coated outside the semiconductive water blocking tape, and the extruded outer sheath is coated outside the metal sheath waterproof layer.
Preferably, the outer cladding further comprises a squeezing isolation sleeve, and the squeezing isolation sleeve is wrapped outside the reinforced waterproof layer and is positioned inside the squeezing outer sheath.
Preferably, the outer cladding further comprises a metal armor layer, and the metal armor layer is wrapped outside the extruded isolation sleeve and is positioned inside the extruded outer sheath.
Preferably, the quantity of conductor is many, and the cladding has the one deck to strengthen the waterproof layer on every conductor respectively to form a conductor unit, crowded package oversheath cladding is outside a plurality of conductor units, and a plurality of conductor units are in the same place through binding around the package ribbon, and it has the filler to fill between each conductor unit.
Preferably, the outer cladding further comprises an extruded isolation sleeve, and the extruded isolation sleeve is wrapped outside the wrapping band and is positioned inside the extruded outer sheath.
Preferably, the outer cladding further comprises a metal armor layer, and the metal armor layer is arranged between the extruded isolation layer and the extruded outer sheath.
Preferably, the extruded isolation sleeve is made of polyethylene, polyvinyl chloride or rubber materials, and the metal armor layer is made of copper, steel wires or aluminum alloy materials.
Preferably, the extrusion insulating layer is made of cross-linked polyethylene or polyvinyl chloride, the extrusion outer sheath is made of polyethylene, polyvinyl chloride or rubber, the semiconductive water-blocking tape is made of a composite material of polyester fibers and a high water-absorbing material, and the metal sheath waterproof layer is made of copper, copper alloy, aluminum or aluminum alloy.
Preferably, the thickness range of the semi-conductive water-blocking tape is 0.10-0.45mm, the width range of the semi-conductive water-blocking tape is 20-60mm, left-direction single-layer overlapping wrapping is adopted, and the wrapping overlapping rate is 10-20%.
Preferably, the thickness range of the extruded insulating layer is 0.7-3.0mm, the thickness range of the metal waterproof sleeve is 0.2-1.5mm, and the thickness range of the extruded outer sheath is 1.0-4.0mm.
The utility model provides a waterproof cable has semi-conductive waterproofing area and metal covering waterproof layer, can effectively the outside moisture of separation invade the inner conductor to greatly improved the waterproof performance of cable, makeed the cable can soak for a long time and use in aqueous, and its low cost, the suitability is wider.
Drawings
Fig. 1 is a schematic structural view of a single-core waterproof cable without a metal armor layer in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a single-core waterproof cable with a metal armor layer in embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of a multi-core waterproof cable without a metal armor layer according to embodiment 3 of the present invention;
fig. 4 is a schematic structural diagram of a multi-core waterproof cable with a metal armor layer in embodiment 4 of the present invention.
In the figure: 1-conductor, 2-extrusion insulating layer, 3-semiconductive waterproofing tape, 4-metal sheath waterproof layer, 5-filler, 6-wrapping band, 7-extrusion outer sheath, 8-extrusion isolation sleeve and 9-metal armor layer.
Detailed Description
In the following, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope of the present invention.
In the description of the present invention, it should be noted that the indication of orientation or positional relationship such as "up" is based on the orientation or positional relationship shown in the drawings, and is only for convenience and simplicity of description, and does not indicate or imply that the indicated device or element must be provided with a specific orientation, constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, the terms "first" and "second" 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "connected," "disposed," "mounted," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in a specific case to those skilled in the art.
The utility model provides a waterproof cable, including conductor and surrounding layer, the surrounding layer includes crowded package insulating layer, the surrounding layer still includes reinforced waterproof layer and crowded package oversheath, reinforced waterproof layer includes semiconductive waterproofing area and metal covering waterproof layer, semiconductive waterproofing area cladding is in crowded package insulating layer's outside, the cladding of metal covering waterproof layer is in semiconductive waterproofing area's outside, crowded package oversheath cladding is in the outside of metal covering waterproof layer.
Example 1
As shown in fig. 1, the embodiment discloses a waterproof cable, which comprises a conductor 1 and an outer cladding layer, wherein the outer cladding layer comprises an extruded insulating layer 2, the outer cladding layer further comprises a reinforced waterproof layer and an extruded outer sheath 7, the reinforced waterproof layer comprises a semiconductive water-blocking tape 3 and a metal sheath waterproof layer 4, the semiconductive water-blocking tape 3 is coated outside the extruded insulating layer 2, the metal sheath waterproof layer 4 is coated outside the semiconductive water-blocking tape 3, and the extruded outer sheath 7 is coated outside the metal sheath waterproof layer 4.
In this embodiment, the extruded insulating layer 2 may be made of cross-linked polyethylene, the extruded outer sheath 7 may be made of polyethylene, polyvinyl chloride or rubber, the semi-conductive water-blocking tape 3 may be made of a composite material of polyester fiber and a high water-absorbing material, and the metal sheath waterproof layer 4 may be made of copper, a copper alloy, aluminum or an aluminum alloy.
The thickness range of the semi-conductive water-blocking tape 3 is 0.10-0.45mm, the width range is 20-60mm, left-direction single-layer overlapping wrapping is adopted, and the wrapping overlapping rate is 10-20%.
Wherein, the thickness range of the extruded insulating layer 2 is 0.7-3.0mm, the thickness range of the metal waterproof sleeve is 0.2-1.5mm, and the thickness range of the extruded outer sheath 7 is 1.0-4.0mm.
The waterproof cable in the embodiment is a low-voltage waterproof cable suitable for 1.8/3KV and below, and the structure of the low-voltage cable sequentially comprises a conductor 1, an extruded insulating layer 2, a semiconductive water-blocking tape 3, a metal sleeve waterproof layer 4 and an extruded outer sheath 7 from inside to outside. The conductor 1 of the low-voltage waterproof cable is made of copper, wherein the cross-sectional area of the conductor 1 is 25mm 2 . In the embodiment, the number of the conductors 1 is one, wherein the structure of the conductor 1 is 7/2.20mm, and the performance parameters of the copper conductor 1 meet the specification of GB/T3956; the extruded insulating layer 2 is coated outside the conductor 1 and is made of cross-linked polyethylene, and the thickness of the extruded insulating layer 2 is 0.9mm.
In the embodiment, the thickness of the semi-conductive water-blocking tape 3 is 0.14mm, the width of the semi-conductive water-blocking tape is 20mm, the lapping mode adopts left single-layer overlapping lapping, and the lapping overlapping rate is 10-20%; the metal sleeve waterproof layer 4 is coated outside the semiconductive waterproofing tape 3, the whole semiconductive waterproofing tape 3 is completely coated by the metal sleeve waterproof layer 4, no leakage hole and no defect exist, the metal sleeve waterproof layer 4 is made of aluminum, and the thickness of the metal sleeve waterproof layer 4 is 0.5mm.
The extruded outer sheath 7 is coated outside the metal sleeve waterproof layer 4, the extruded outer sheath 7 is made of plastics, specifically polyethylene materials are adopted, and the thickness of the extruded outer sheath 7 is 1.4mm.
In the low-voltage waterproof cable in the embodiment, the semiconductive water-blocking tape 3 and the metal sleeve waterproof layer 4 are arranged between the extruded insulating layer 2 and the extruded outer sheath 7, so that the waterproof performance of the low-voltage waterproof cable can be effectively improved, wherein the semiconductive water-blocking tape 3 and the metal sleeve waterproof layer 4 can effectively homogenize an electric field on the insulating surface of the cable, prevent moisture from longitudinally flowing, more effectively protect the insulating layer of the cable, and the metal sleeve waterproof layer 4 can fundamentally stop the intrusion of the moisture.
Example 2
As shown in fig. 2, the present embodiment provides a waterproof cable, which is different from the waterproof cable in embodiment 1 in that an extruded isolation sleeve 8 and a metal armor layer 9 are additionally provided, the extruded isolation sleeve 8 is coated outside the reinforced waterproof layer, i.e., coated outside the metal waterproof layer 4 and inside the extruded outer sheath 7, and the metal armor layer 9 is coated outside the extruded isolation sleeve 8 and inside the extruded outer sheath 7 for enhancing the structural strength of the cable.
Specifically, the extruded isolation sleeve 8 can be made of polyethylene, polyvinyl chloride or rubber materials, and the metal armor layer 9 can be made of copper, steel wires or aluminum alloy materials.
The waterproof cable in the embodiment is a low-voltage waterproof cable suitable for 1.8/3KV and below, and the low-voltage waterproof cable sequentially comprises a conductor 1, an extruded insulating layer 2, a semiconductive water-blocking tape 3, a metal sleeve waterproof layer 4, an extruded isolating sleeve 8, a metal armor layer 9 and an extruded outer sheath 7 from inside to outside.
Specifically, the conductor 1 has a cross-sectional area of 240mm 2 The conductor 1 is 26/2.97mm in structure, the conductor 1 is a compressed conductor, and the conductor 1 is made of aluminum alloyThe performance parameters of the aluminum alloy conductor meet the specification of GB/T3956, the extruded insulating layer 2 is coated outside the conductor 1, the material of the extruded insulating layer is crosslinked polyethylene, and the thickness of the extruded insulating layer 2 is 1.7mm.
In the embodiment, the semi-conductive water-blocking tape 3 is coated outside the extruded insulating layer 2, the thickness of the semi-conductive water-blocking tape 3 is 0.14mm, the width of the semi-conductive water-blocking tape is 40mm, the wrapping mode adopts left single-layer overlapping wrapping, and the wrapping overlapping rate is 10% -20%.
The metal sleeve waterproof layer 4 is coated outside the semi-conductive water-blocking tape 3, the whole semi-conductive water-blocking tape 3 is completely coated, no leakage hole and no defect exist, the metal sleeve waterproof layer 4 is made of an aluminum alloy material, and the thickness of the metal sleeve waterproof layer 4 is 0.5mm.
For the low-voltage waterproof cable of the single-core conductor 1, a plastic extrusion isolation sleeve is further coated outside the waterproof layer 4 of the metal sleeve, the extrusion isolation sleeve is made of polyethylene, and the thickness of the extrusion isolation sleeve is 1.0mm; the steel strip armoring (namely the metal armoring layer 9) is carried out outside the extruded isolation sleeve, the steel strip armoring is made of stainless steel materials, the lapping mode adopts double-layer steel strip gap lapping, the thickness of the steel strip armoring is 0.2mm, the width of the steel strip armoring is 25mm, and the gap rate is 40% -50%.
The extruded outer sheath 7 is coated outside the steel-tape armor, the extruded outer sheath 7 is made of polyvinyl chloride, and the thickness of the extruded outer sheath 7 is 1.8mm.
The low-voltage waterproof cable has good waterproof performance and certain structural strength, and is suitable for the environment with large underwater pressure.
Example 3
As shown in fig. 3, the present embodiment discloses a waterproof cable, and the waterproof cable in the present embodiment is different from the waterproof cable in embodiment 1 in that the number of the conductors 1 in the waterproof cable is plural.
In this embodiment, the quantity of conductor 1 is many, and every conductor 1 goes up to wrap respectively the one deck and strengthens the waterproof layer to form a conductor unit, and crowded package oversheath 7 cladding is outside a plurality of conductor units, and a plurality of conductor units are through binding together around package ribbon 6, and it has filler 5 to fill between each conductor unit.
The waterproof cable in the embodiment is a low-voltage waterproof cable suitable for 1.8/3KV and below, and sequentially comprises a conductor 1, an extruded insulating layer 2, a half-layer resistance water band, a metal sleeve waterproof layer 4, a non-hygroscopic filler, a wrapping band 6 and an extruded outer sheath 7 from inside to outside.
Specifically, the conductor 1 of the low-voltage waterproof cable adopts a cross section area of 95mm 2 The number of the conductors 1 is 4, the 4 conductors 1 are bound together through a wrapping band 6, the structure of the conductor 1 is 19/2.62mm, the conductor 1 is a compressed conductor and is made of aluminum, and the performance and parameters of the aluminum conductor accord with the regulation of GB/T3956; and a layer of extruded insulating layer 2 is coated outside each aluminum conductor, the material of the extruded insulating layer 2 is polyvinyl chloride, and the thickness of the extruded insulating layer 2 is 1.6mm.
The semi-conductive water-blocking tape 3 is wrapped outside the extruded insulating layer 2 of each conductor 1, the thickness of the semi-conductive water-blocking tape 3 is 0.14mm, the width of the semi-conductive water-blocking tape is 30mm, the wrapping mode adopts left single-layer overlapping wrapping, and the wrapping overlapping rate is 10-20%.
The metal sleeve waterproof layer 4 is coated outside each semi-conductive water-blocking tape 3, the whole semi-conductive water-blocking tape 3 is completely coated by the metal sleeve waterproof layer 4, no leak hole and no defect exist, the metal sleeve waterproof layer 4 is made of aluminum, and the thickness of the metal sleeve waterproof layer 4 is 0.6mm.
In the embodiment, four conductors 1 coated with a semi-conductive water-blocking tape 3 and a metal sleeve waterproof layer 4 are wound into a cable, and non-hygroscopic fillers are filled in gaps among the four conductors 1, so that the rounding of the cable-formed conductor 1 is ensured, and the cable-forming pitch is 45-50 times of the outer diameter of the cable; during cabling, a layer of wrapping band 6 is wrapped outside the cabling conductor 1, then the cabling wire core is tightly bound, the material of the wrapping band 6 adopts a non-woven cloth belt, the wrapping mode adopts double-layer gap wrapping, and the gap rate is 50-60%.
The extrusion outer sheath 7 is coated outside the wrapping band 6, in the embodiment, the extrusion outer sheath 7 is made of polyvinyl chloride, and the thickness of the extrusion outer sheath 7 is 2.2mm.
Example 4
As shown in fig. 4, this embodiment discloses a waterproof cable, which is different from the waterproof cable in embodiment 3 in that an extruded isolation sleeve 8 and a metal armor layer 9 are provided between a wrapping tape 6 and an extruded outer sheath 7 of the waterproof cable.
The waterproof cable in the embodiment is a low-voltage waterproof cable suitable for 1.8/3KV and below, and sequentially comprises a conductor 1, an extruded insulating layer 2, a half-layer resistance water band, a metal sleeve waterproof layer 4, non-hygroscopic filling, a wrapping band 6, an extruded isolating sleeve 8, a metal armor layer 9 and an extruded outer sheath 7 from inside to outside.
Specifically, the conductor 1 of the low-voltage waterproof cable adopts a cross section area of 150mm 2 The number of the conductors 1 is four, the structure of the conductor 1 is 37/2.35mm, the conductor 1 is a compact conductor, and the performance and parameters of the copper conductor meet the requirements of GB/T3956.
The extruded insulating layers 2 are coated outside the conductors 1, the extruded insulating layers 2 are made of polyvinyl chloride, and the thickness of each extruded insulating layer 2 is 1.8mm.
The semi-conductive water-blocking tape 3 is coated outside the extruded insulating layer 2, the thickness of the semi-conductive water-blocking tape 3 is 0.14mm, the width of the semi-conductive water-blocking tape is 35mm, the lapping mode adopts left single-layer overlapping lapping, and the lapping overlapping rate is 10-20%.
The metal-sheathed waterproof layer 4 is coated outside the semi-conductive water-blocking tape 3, the whole semi-conductive water-blocking tape 3 is completely coated, no leakage hole and no defect exist, the metal-sheathed waterproof layer 4 is made of copper, and the thickness of the metal-sheathed waterproof layer 4 is 0.7mm.
In the embodiment, four conductors 1 coated with a metal sleeve waterproof layer 4 and a semi-conductive water blocking tape 3 are cabled, and non-hygroscopic fillers are filled in gaps among the four conductors 1 to ensure the roundness of the cabled conductor 1, wherein the cabling pitch is 50-60 times of the outer diameter of the cabled conductor; during cabling, the cabling conductor 1 is wrapped with a layer of wrapping ribbon 6, the cabling core is tightly bound, the material of the wrapping ribbon 6 adopts a non-woven fabric tape, the wrapping mode is double-layer gap wrapping, and the gap rate is 50-60%.
In the embodiment, the extrusion isolation sleeve 8 is coated outside the wrapping ribbon 6, the extrusion isolation sleeve 8 is made of polyvinyl chloride, and the thickness of the extrusion isolation sleeve 8 is 1.4mm; then steel tape armoring (namely a metal armoring layer 9) is carried out outside the extruded isolation sleeve 8, the steel tape armoring is made of galvanized steel tapes, the wrapping mode adopts double-layer steel tape clearance wrapping, the thickness of the steel tape armoring is 0.5mm, the width of the steel tape armoring is 45mm, and the clearance rate is 40-50%.
In the embodiment, the extruded outer sheath 7 is coated outside the metal armor layer 9, the extruded outer sheath 7 is made of an ethylene propylene rubber sheath, and the outer sheath is 2.6mm thick and used for protecting the cable structure inside.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and scope of the invention, and such modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A waterproof cable comprises a conductor (1) and an outer cladding, wherein the outer cladding comprises an extruded insulating layer (2), the waterproof cable is characterized in that the outer cladding further comprises a reinforced waterproof layer and an extruded outer sheath (7), the reinforced waterproof layer comprises a semiconductive waterproof tape (3) and a metal sleeve waterproof layer (4),
the semi-conductive water-blocking tape (3) is coated outside the extruded insulating layer (2), the metal sleeve waterproof layer (4) is coated outside the semi-conductive water-blocking tape (3), and the extruded outer sheath (7) is coated outside the metal sleeve waterproof layer (4).
2. Waterproof cable according to claim 1, characterized in that said covering further comprises an extruded insulating sheath (8),
the extrusion isolation sleeve (8) is coated outside the reinforced waterproof layer and is positioned inside the extrusion outer sheath (7).
3. A water-resistant cable according to claim 2, characterised in that the outer covering further comprises a metallic armouring layer (9), the metallic armouring layer (9) being wrapped outside the extruded insulating sheath (8) and inside the extruded outer sheath (7).
4. The waterproof cable according to claim 1, wherein the number of the conductors (1) is plural, each conductor (1) is coated with a reinforcing and waterproof layer to form a conductor unit,
the extruded outer sheath (7) is wrapped outside the conductor units, the conductor units are bound together through wrapping bands (6), and fillers (5) are filled among the conductor units.
5. The waterproof cable according to claim 4, characterized in that said outer sheath further comprises an extruded insulating sheath (8), said extruded insulating sheath (8) being wrapped outside said wrapping band (6) and inside the extruded outer sheath (7).
6. A water resistant cable as claimed in claim 5, wherein the outer covering further comprises a metallic armouring layer (9), the metallic armouring layer (9) being provided between the extruded insulation layer and the extruded outer covering.
7. A watertight cable according to claim 3 or 6, characterized in that said extruded insulating sheath (8) is made of polyethylene, polyvinyl chloride or rubber material and said metallic armouring layer (9) is made of copper, steel wire or aluminium alloy material.
8. The waterproof cable according to any one of claims 1 to 6, wherein said extruded insulating layer (2) is made of cross-linked polyethylene or polyvinyl chloride, said extruded outer sheath (7) is made of polyethylene, polyvinyl chloride or rubber, and said metal sheath waterproof layer (4) is made of copper, copper alloy, aluminum or aluminum alloy.
9. The waterproof cable according to any one of claims 1 to 6, wherein said semiconductive waterproofing tape has a thickness in the range of 0.10 to 0.45mm and a width in the range of 20 to 60mm, and is left-hand single-layer lapped with a lap ratio of 10 to 20%.
10. A water-resistant cable according to any one of claims 1 to 6, wherein the thickness of the extruded insulating layer (2) is in the range of 0.7 to 3.0mm, the thickness of the metal water-resistant sheath is in the range of 0.2 to 1.5mm, and the thickness of the extruded outer sheath (7) is in the range of 1.0 to 4.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122667277.8U CN217588507U (en) | 2021-11-02 | 2021-11-02 | Waterproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122667277.8U CN217588507U (en) | 2021-11-02 | 2021-11-02 | Waterproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217588507U true CN217588507U (en) | 2022-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122667277.8U Active CN217588507U (en) | 2021-11-02 | 2021-11-02 | Waterproof cable |
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| CN (1) | CN217588507U (en) |
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2021
- 2021-11-02 CN CN202122667277.8U patent/CN217588507U/en active Active
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