Rust-proof sealing spool for cable
By placing a rust inhibitor or desiccant between the inner and outer cylinders of the spool and using a rotating plate to control the sealing structure, the problem of cable rust is solved, achieving effective rust prevention and convenient disassembly and assembly.
Patent Information
- Application Number
- CN202521897086.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-04
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2035-09-04
AI Technical Summary
During traditional cable processing, the inner barrel of the I-spool is not effectively treated with rust prevention, which causes the cable to rust easily during use, and the existing rust prevention measures are ineffective.
A rust inhibitor or desiccant is placed between the inner and outer cylinders of the I-shaped pulley, and the sealing structure is controlled by a rotating plate to expose or seal the rust inhibitor and the cable to form a drying chamber. The T-shaped slot and the sealing block are used to ensure that the rust inhibitor is in contact with the cable to avoid oxidation.
The cable is effectively anti-rusted to avoid rust, and the device is easy to disassemble and assemble, with a long-lasting rust-proof effect.
Smart Images

Figure CN223444934U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of spool structure, especially relates to a rustproof sealing spool for cable. BACKGROUND
[0002] Corrosion of metal is the spontaneous transition process of metal from high-energy elemental state to combined state, which is the main reason of metal loss. According to statistics, the world produces more than 700 million tons of metal materials every year, and about 25% of the metal is scrapped due to corrosion. Among the metal materials, steel accounts for more than 95%, and steel products (except stainless steel and corrosion-resistant alloy) are prone to rust and corrosion in the natural environment. Therefore, rust-proof packaging of cable is an indispensable link in production.
[0003] After traditional cable is processed and completed, customers generally require that the outside of the cable is padded with kraft paper, and the outside of the kraft paper is packaged with wood board or bamboo mat. In the conventional production process, the inner cylinder of the spool is not treated or padded with a layer of kraft paper, and the side wall of the spool is generally padded with kraft paper or hollow board and then directly wound with cable. For cables with rust-proof requirements, wood board, bamboo mat, kraft paper and hollow board do not have good rust-proof effect. SUMMARY
[0004] The utility model aims at providing a rustproof sealing spool for cable, which internally embeds rust inhibitor or drying agent in the spool, realizes the structure of exposure or sealing through the rotating plate, does not need additional addition subsequently, and has more unified overall structure.
[0005] The above technical purpose of the utility model is realized by the following technical scheme:
[0006] A rustproof sealing spool for cable, characterized in that it comprises an inner cylinder, an outer cylinder and end covers, the end covers are provided in two groups, the two groups of end covers are fixedly installed on the two sides of the outer cylinder, two groups of rotating plates are rotatably arranged at the two ends of the inner side of the end cover, the inner cylinder and the inner ring of the two groups of rotating plates are fixed by bolts, a drying cavity is formed between the inner cylinder, the outer cylinder and the rotating plate, a plurality of rust inhibitors or drying agents are pasted on the outer wall of the inner cylinder in the drying cavity, a plurality of T-shaped grooves are arranged in an annular array on the outer cylinder, a plurality of air holes are arranged on the step surface of the T-shaped groove, a T-shaped sealing block is movably arranged in each T-shaped groove, and each T-shaped sealing block is movably arranged along the corresponding T-shaped groove. Each group of T-shaped sealing blocks is provided with a cylindrical slider at both ends, a plurality of arc-shaped grooves are arranged in an array on the inner side of the two groups of rotating plates, and each cylindrical slider is movably arranged in the arc-shaped groove.
[0007] Preferably, the inner side of the two groups of end covers is provided with an annular movable groove, and the outer side of the rotating plate is movably arranged in the annular movable groove on the inner side of the end cover.
[0008] Preferably, the T-shaped sealing block comprises a movable block and a sealing arc-shaped plate, the movable block is radially movable in the T-shaped slot, the sealing arc-shaped plate is fixedly connected with the outer end of the movable block at the middle part of the inner side, the inner side of the two ends of the sealing arc-shaped plate is movably sealed with the step of the T-shaped slot at the innermost stroke, and the inner side of the two ends of the sealing arc-shaped plate is provided with a spacing at the step of the T-shaped slot at the outermost stroke.
[0009] Preferably, the inner wall of the inner cylinder is further provided with two groups of mounting seats at the inner side of the bolt connection with the rotating plate, and coaxial through holes are arranged in the center of the two groups of mounting seats.
[0010] Preferably, the outermost side of the inner ring of the end cover is further provided with a mounting ring plate fixedly connected through bolts, the mounting ring plate protrudes into a ring-shaped movable groove, the outer side of the rotating plate is rotatably arranged in the ring-shaped movable groove on the inner side of the mounting ring plate, a plurality of ring-shaped arrayed threaded holes are arranged on the rotating plate and the mounting ring plate, and the rotating plate is fixedly connected with the mounting ring plate through bolts and threaded holes after being rotated to the minimum or maximum rotating stroke.
[0011] Preferably, the sealing arc-shaped plate is not larger than the size of the opening of the outer side of the T-shaped slot, but covers the air holes at the two ends.
[0012] Preferably, the outer side of the outer cylinder is provided with a plurality of anti-skid protrusions, the plurality of anti-skid protrusions are arranged along the axial direction of the inner cylinder, and the outer end of the anti-skid protrusion is at the same height as the outer end of the sealing arc-shaped plate at the outermost stroke.
[0013] Preferably, the length of the T-shaped slot and the length of the sealing arc-shaped plate are both smaller than the axial length of the outer cylinder.
[0014] Preferably, the inner cylinder and the inner ring of the two groups of rotating plates are provided with sealing strips at the inner side of the two ends of the T-shaped sealing block.
[0015] In summary, the utility model has the advantages that: the rust-proof agent or the drying agent is placed between the inner cylinder and the outer cylinder, the cable is wrapped on the spool, and then the cable is wrapped with the wrapping film or the kraft paper, and then the cable is sealed, the rust-proof agent or the drying agent and the cable are exposed in the same space through the rotating plate, the rust-proof treatment of the cable is realized, the rust phenomenon in the air is avoided, the whole device is convenient to disassemble and assemble, the rust-proof effect is good, and the duration is longer. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is the external structure schematic diagram of the utility model;
[0017] Fig. 2 It is the internal along end cover direction sectional structure schematic diagram of the utility model;
[0018] Fig. 3It is the internal cross section structure schematic diagram along the axial direction of the utility model;
[0019] Fig. 4 It is the T type sealing block and rotating plate transmission structure schematic diagram of the utility model;
[0020] Among them: 1-inner tube, 2-outer tube, 3-end cover, 4-rotating plate, 5-T type slot, 6-vent hole, 7-cylindrical slider, 8-arc slot, 9-annular movable slot, 10-movable block, 11-sealing arc plate, 12-mounting seat, 13-coaxial perforation, 14-mounting ring plate, 15-threaded port, 16-anti-skid convex strip. DETAILED DESCRIPTION
[0021] The specific embodiments of the utility model are further described below in combination with the drawings, and the embodiment does not constitute a limitation on the utility model.
[0022] As Figs. 1 to 4 The utility model relates to a kind of cable rustproof sealing spool, including inner cylinder 1, outer tube 2 and end cap 3, end cap 3 is provided with two groups, two groups of end cap 3 are fixedly installed in outer tube 2 both sides, two groups of rotating plate 4 are rotationally arranged in the inside of end cap 3 both ends, inner cylinder 1 and the inner ring of two groups of rotating plate 4 are fixed by bolt, dry cavity is formed between inner cylinder 1, outer tube 2 and rotating plate 4, multiple groups of rust inhibitor or drying agent are pasted in dry cavity in the outer wall of inner cylinder 1, multiple groups of T type slot 5 are arranged annularly on outer tube 2, vent hole 6 is arranged on the step surface of T type slot 5, a T type sealing block is movably arranged in each T type slot 5, each T type sealing block is limit radially movable along corresponding T type slot 5, one cylindrical slider 7 is arranged at the both ends of each T type sealing block, multiple groups of arc slots 8 are correspondingly arranged in the inside of two groups of rotating plate 4, each cylindrical slider 7 is limit slidingly arranged in arc slot 8, by rotating rotating plate 4, cylindrical slider 7 in arc slot 8 is limit movable, to realize the limit radial movement of T type sealing block in T type slot 5, the opening or sealing of T type slot 5 is realized.
[0023] One annular movable slot 9 is arranged in the inside of two groups of end cap 3, rotating plate 4 is limit rotationally arranged in the annular movable slot 9 in the inside of end cap 3, rotating plate 4 can realize free rotation in annular movable slot 9, to drive the radial movement of internal T type sealing block.
[0024] The T-shaped sealing block comprises a movable block 10 and a sealing arc-shaped plate 11. The movable block 10 is radially movable within the T-shaped slot 5. The inner side of the sealing arc-shaped plate 11 is fixedly connected to the outer end of the movable block 10. The inner side of the two ends of the sealing arc-shaped plate 11 is movably sealed with the step of the T-shaped slot 5 at the innermost stroke. The innermost stroke is sealed by the sealing arc-shaped plate 11 to ensure the working effect of the subsequent rust inhibitor or desiccant. The inner side of the two ends of the sealing arc-shaped plate 11 is provided with a gap with the step of the T-shaped slot 5 at the outermost stroke. The rust inhibitor or desiccant is deoxidized and dehumidified through the gap between the sealing arc-shaped plate 11 and the T-shaped slot 5 at the outermost stroke, thereby achieving the effect of rust prevention.
[0025] The inner wall of the inner cylinder 1 is further provided with two groups of mounting seats 12 at the inner side of the bolt connection with the rotating plate 4. The inner center of the two groups of mounting seats 12 is provided with a coaxial through hole 13. The mounting seat 12 on the inner side can facilitate the rotation of the rotating plate 4 fixedly connected to the inner cylinder 1.
[0026] The inner ring of the end cover 3 is further provided with an installation ring plate 14 fixedly connected by bolts. The installation ring plate 14 protrudes inwardly into the annular movable groove 9. The outer side of the rotating plate 4 is rotatably arranged in the annular movable groove 9 on the inner side of the installation ring plate 14. The installation ring plate 14 and the rotating plate 4 are both provided with a plurality of annularly arranged threaded holes 15. The rotating plate 4 is fixedly connected to the installation ring plate 14 by bolts and threaded holes 15 after being rotated to the minimum or maximum rotating stroke. The two stroke ranges are fixed by bolts and threaded holes 15, and the installation is more convenient. When the rust inhibitor or desiccant needs to be replaced, the installation ring plate 14, the rotating plate 4 and the inner cylinder 1 can be removed in sequence to realize the secondary filling of the rust inhibitor or desiccant.
[0027] The size of the sealing arc-shaped plate 11 is not greater than the size of the opening on the outer side of the T-shaped slot 5, but the two ends cover the air holes 6. It can not only realize the sealing of the air holes 6 in the sealed state, but also facilitate the rust inhibitor or desiccant to pass through the air holes 6 for treatment in the open rust prevention state.
[0028] The outer cylinder 2 is provided with a plurality of anti-skid protrusions 16. The plurality of anti-skid protrusions 16 are arranged along the axial direction of the inner cylinder 1. The outer end of the anti-skid protrusion 16 is at the same height as the outer end of the sealing arc-shaped plate 11 at the outermost stroke. The anti-skid protrusion 16 can reduce the friction loss of the cable and the outer cylinder 2, and at the same time, it leaves a movable space for the sealing arc-shaped plate 11.
[0029] The length of the T-shaped slot 5 and the sealing arc-shaped plate 11 is less than the axial length of the outer cylinder 2, which ensures the overall structural strength of the outer cylinder 2.
[0030] The inner ring connection of the inner cylinder 1 and the two groups of rotating plates 4, and the inner side of the T-shaped sealing block are provided with sealing strips, thereby realizing good sealing effect.
[0031] The utility model discloses a rust -resistant agent or desiccant is placed between inner tube and outer tube, and the cable is sealed after being wound to spool and being wrapped in wrapping film or kraft paper outside, then the rust -resistant agent or desiccant is exposed with cable in the same space through the rotation board, never realizes the rust -proof treatment of cable, avoids the phenomenon that rusts in the air, and the whole device is convenient to dismount, and the rust -resistant effect is good and the duration is longer.
[0032] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and various modifications or equivalent replacements can be made to the utility model within the utility model's essence and protection scope by the person skilled in the art, and the modification or equivalent replacement should be regarded as falling within the protection scope of the utility model technical scheme.
Claims
1. A rust-proof sealed I-shaped pulley for cables, characterized in that: The cam is fixedly mounted on both sides of the outer cylinder, and two groups of rotating plates are rotatably arranged on both ends of the inner side of the end covers. The inner cylinder and the inner rings of the two groups of rotating plates are fixed by bolts. A drying chamber is formed between the inner cylinder, the outer cylinder and the rotating plates. Multiple groups of rust inhibitors or desiccants are pasted on the outer wall of the inner cylinder in the drying chamber. Multiple groups of T-slots are arranged in an annular array on the outer cylinder. Air holes are arranged on the step surfaces of the T-slots. A T-shaped sealing block is movably arranged in each group of the T-slots. Each group of the T-slot sealing blocks moves radially along the corresponding T-slot limit. A cylindrical slider is arranged at both ends of each group of the T-slot sealing blocks. Multiple groups of arc grooves are arranged in the corresponding arrays on the inner sides of the two groups of rotating plates. Each group of cylindrical sliders is limited and slidable in the arc groove.
2. The rust-proof sealed spool for cables according to claim 1, characterized in that: An annular movable groove is provided on the inner side of the two groups of end covers, and the outer side of the rotating plate is limitedly rotated in the annular movable groove on the inner side of the end cover.
3. The rust-proof sealed spool for cables according to claim 1, characterized in that: The T-shaped sealing block includes a movable block and a sealing arc plate. The movable block moves radially in the T-shaped slot. The middle inner side of the sealing arc plate is fixedly connected to the outer end of the movable block. The inner sides of both ends of the sealing arc plate are movably sealed with the steps of the T-shaped slot at the innermost stroke. A spacing is set between the inner sides of both ends of the sealing arc plate and the steps of the T-shaped slot at the outermost stroke.
4. The rust-proof sealed spool for cables according to claim 1, characterized in that: Two sets of mounting seats are fixedly provided on the inner sides of the two ends of the inner wall of the inner cylinder at the inner sides of the bolt connections with the rotating plate, and the centers of the two sets of mounting seats are both provided with coaxial through holes.
5. The rust-proof sealed spool for cables according to claim 2, characterized in that: The outermost side of the inner ring of the end cover is also fixed with a mounting ring plate by bolts, and the mounting ring plate protrudes an annular movable groove inwardly, and the outer side of the rotating plate is rotatably arranged in the annular movable groove on the inner side of the mounting ring plate. The mounting ring plate and the rotating plate are respectively provided with multiple groups of threaded openings arranged in an annular array. After the rotating plate is rotated to the minimum rotation stroke or the maximum rotation stroke, it is screwed and fixed to the mounting ring plate by bolts and threaded openings.
6. The rust-proof sealed spool for cables according to claim 3, characterized in that: The size of the sealing arc plate is not larger than the outer opening size of the T-shaped slot, but the two ends cover the vent holes.
7. The rust-proof sealed spool for cables according to claim 3, characterized in that: The outer side of the outer cylinder is provided with multiple groups of anti-slip ridges, which are all distributed along the axial direction of the inner cylinder. The outer ends of the anti-slip ridges are at the same height as the outer ends of the sealing arc plates at the outermost stroke.
8. The rust-proof sealed spool for cables according to claim 3, characterized in that: The lengths of the T-shaped slot and the sealing arc plate are both smaller than the axial length of the outer cylinder.
9. The rust-proof sealed spool for cables according to claim 4, characterized in that: Sealing strips are provided at the connection between the inner cylinder and the inner rings of the two sets of rotating plates and at both ends of the inner side of the T-shaped sealing block.