A communication cable anti-bending protection device based on elastic buffering structure
By setting a flexible metal mesh layer and an elastic protective layer on the communication cable, and combining it with a limiting ring and a movable groove design, the problems of core wire breakage and signal attenuation when the cable is bent are solved, achieving dynamic protection and signal shielding of the cable, and improving the cable's service life and reliability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DEHUI (LIAONING) TECHNOLOGY CO LTD
- Filing Date
- 2025-06-11
- Publication Date
- 2026-06-09
AI Technical Summary
When existing communication cables are bent, the single-layer protective sleeve is insufficient to disperse the impact energy, leading to core wire breakage or signal attenuation. Furthermore, the anti-bending device at the connection lacks dynamic buffering capability, restricting the cable's free bending and easily causing stress concentration.
The device employs an anti-bending protection device based on an elastic buffer structure, including a flexible metal wire mesh layer and an elastic protective layer. Combined with a limit ring and movable groove design, it achieves dynamic bending protection and signal shielding through insulation and sealing layers.
It effectively disperses bending stress, prevents core wire breakage and signal attenuation, extends cable life, and ensures cable reliability and signal stability under complex working conditions.
Smart Images
Figure CN224342906U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cable protection, and more specifically, to a communication cable anti-bending protection device based on an elastic buffer structure. Background Technology
[0002] The invention of communication cables stemmed from the surge in demand for information transmission. From early telegraph lines to modern fiber optic communication, cables, as the "blood vessels" of information, support the global communication network. With the popularization of technologies such as 5G and the Internet of Things, communication cables need to carry higher frequency and larger capacity data transmission. However, their flexibility faces challenges: frequent bending can easily lead to breakage of internal optical fibers or conductors and signal attenuation. Especially in scenarios such as equipment connection points and wiring corners, bending damage not only increases maintenance costs but may also cause communication interruptions.
[0003] A search revealed that Chinese Patent Publication No. CN205039339U discloses "a bend-resistant cable structure, the cable including a connector, a core wire, a core wire sheath, a protective sleeve, and a shielding layer. The connector has a terminal, one end of the core wire is fixed to the terminal, the core wire sheath covers the core wire and exposes the end of the core wire fixed to the terminal, the protective sleeve is fitted over the fixed point between the core wire and the terminal, and the shielding layer covers the core wire sheath, the core wire, and the protective sleeve. The protective sleeve has a simple structure, is easy to assemble, and can effectively protect the welding position of the cable, prevent damage or breakage, and extend the service life of the cable." However, it still has the following drawbacks:
[0004] (1) In actual use, relying solely on a single-layer protective sleeve to protect the core wire of the communication cable will result in insufficient buffering and stress relief when the cable encounters bending stress. This can easily lead to the core wire breaking due to local stress concentration, damage to the insulation layer, or signal transmission attenuation.
[0005] (2) In actual use, this device protects the cable by setting a protective sleeve at the connection point between the connector and the wire core to prevent bending at the connection point. However, fixing the connection point to prevent bending will lack dynamic buffering ability and restrict the free bending of the cable, which may cause bending stress to concentrate at the edge of the protective sleeve, thus causing damage. To this end, a communication cable anti-bending protection device based on an elastic buffer structure is proposed. Utility Model Content
[0006] The purpose of this invention is to address the problem that in current applications, relying solely on a single-layer protective sleeve to protect the core wires of communication cables is insufficient. When the cable encounters bending stress, the single-layer structure cannot effectively disperse the impact energy, resulting in inadequate buffering and stress relief. This can easily lead to core wire breakage due to localized stress concentration, insulation damage, or signal transmission attenuation. Furthermore, while this device protects the cable by installing a protective sleeve at the connection point between the connector and the core wire to prevent bending, fixing the connection point to prevent bending lacks dynamic buffering capabilities and restricts the cable's free bending, potentially causing bending stress to concentrate at the edge of the protective sleeve, thus leading to damage.
[0007] To achieve the above-mentioned objectives, this utility model provides the following technical solution:
[0008] The present invention is as follows: a communication cable anti-bending protection device based on an elastic buffer structure, including a connector, wherein the connector is provided with a line protection component for anti-bending protection of the communication cable, and the line protection component is provided with a protective component for protecting the connection between the connector and the communication cable;
[0009] The line protection assembly includes a transmission core wire disposed on one side of the connector. The outer surface of the transmission core wire is provided with a first insulation layer. The outer surface of the first insulation layer is provided with a flexible metal wire mesh layer, which is a galvanized steel wire layer. The outer surface of the flexible metal wire mesh layer is provided with an elastic protective layer. The outer surface of the elastic protective layer is provided with a second insulation layer. The first and second insulation layers are polyvinyl chloride layers. Several fastening rings are linearly fixedly installed on the outer surface of the second insulation layer.
[0010] As a preferred technical solution of this utility model, the protective component includes an extension ring fixedly installed on one side of the connector, a protective ring fixedly installed on the side of the extension ring away from the connector, and a movable groove is formed on the inner surface of the protective ring.
[0011] As a preferred embodiment of the present invention, a sealing layer is provided on the outer surface of the second insulating layer, the sealing layer being a polyvinyl chloride layer, and an electromagnetic shielding coating is provided on the outer surface of the sealing layer.
[0012] As a preferred technical solution of this utility model, the outer surface of the sealing layer is provided with a plurality of lower path guide blocks, and the top of the lower path guide blocks is bolted with an upper path guide block.
[0013] As a preferred technical solution of this utility model, the outer surface of the sealing layer is provided with a plurality of wire clamping blocks, and the top of the wire clamping blocks has two threaded holes.
[0014] As a preferred embodiment of this invention, a first rubber pad is fixedly connected to the inner surface of the extension ring, and a second rubber pad is fixedly connected to the inner surface of the protective ring.
[0015] As a preferred technical solution of this utility model, the elastic protective layer is made of thermoplastic elastomer, and the elastic protective layer is fused with the flexible metal wire mesh layer. The elastic protective layer is used to reduce the impact of bending on the communication cable.
[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0017] 1. By setting up a line protection component, during use, the transmission core wire is insulated by the first insulation layer and the second insulation layer. The flexible metal wire mesh layer can generate resistance when bending the transmission core wire, preventing the transmission core wire from being damaged by rapid bending under force. The elastic protective layer further provides elastic buffer protection for the transmission core wire, extending the service life of the transmission core wire and reducing the impact of bending on the transmission core wire.
[0018] 2. By setting up protective components, the transmission core wire is limited during use through the extension ring and the protective ring. At the same time, a certain distance is maintained between the inner surface of the extension ring and the communication cable, so as to ensure that the communication cable has a suitable strain space while limiting the movement. By opening a movable groove on the protective ring, dynamic bending protection can be achieved at the cable exit. The movable groove is designed as a contour structure that conforms to the bending trajectory of the cable. The movable groove guides the cable to bend along the preset path, avoiding local stress concentration, thereby effectively preventing the transmission core wire from breaking or signal attenuation caused by bending, and ensuring the reliability of the communication cable under complex working conditions. Attached Figure Description
[0019] Figure 1 A schematic diagram of the anti-bending protection device for communication cables based on an elastic buffer structure provided by this utility model;
[0020] Figure 2 Front view of the communication cable anti-bending protection device based on an elastic buffer structure provided by this utility model;
[0021] Figure 3 The present invention provides a communication cable anti-bending protection device based on an elastic buffer structure. Figure 2 A schematic diagram of the three-dimensional cross-sectional structure at point AA;
[0022] Figure 4 A schematic diagram of the lower path guide block of the communication cable anti-bending protection device based on an elastic buffer structure provided by this utility model;
[0023] Figure 5 A schematic diagram of the cable clamp block of the communication cable anti-bending protection device based on the elastic buffer structure provided by this utility model.
[0024] The diagram shows: 1. Connector; 2. Wire protection assembly; 3. Protective assembly; 201. Transmission core wire; 202. First insulation layer; 203. Flexible metal wire mesh layer; 204. Elastic protective layer; 205. Second insulation layer; 206. Fastening ring; 301. Extension ring; 302. Protective ring; 303. Movable groove; 4. Sealing layer; 5. Lower path guide block; 6. Upper path guide block; 7. Wire clamping block; 8. Threaded hole; 9. First rubber pad; 10. Second rubber pad. Detailed Implementation
[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model.
[0026] Therefore, the following detailed description of the embodiments of this utility model is not intended to limit the scope of the claimed utility model, but merely to illustrate some embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.
[0027] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.
[0028] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0029] like Figure 1 As shown, this embodiment proposes a communication cable anti-bending protection device based on an elastic buffer structure, including a connector 1, a line protection component 2 for anti-bending protection of the communication cable on the connector 1, and a protection component 3 for protecting the connection between the connector 1 and the communication cable on the line protection component 2.
[0030] like Figure 3As shown, the wire protection assembly 2 includes a transmission core wire 201 disposed on one side of the connector 1. The transmission core wire 201 is used to transmit communication signals. A first insulation layer 202 is disposed on the outer surface of the transmission core wire 201. A flexible metal wire mesh layer 203 is disposed on the outer surface of the first insulation layer 202. The metal wire mesh layer 203 is a galvanized steel wire layer. The flexible metal wire mesh layer 203 is used to reduce the impact of bending on the transmission core wire 201. An elastic protective layer 204 is disposed on the outer surface of the flexible metal wire mesh layer 203. The elastic protective layer 204 further reduces the impact of bending on the transmission core wire 201. A second insulation layer 205 is disposed on the outer surface of the elastic protective layer 204. The first insulation layer 202 and the second insulation layer 205... The insulating layer 205 is a polyvinyl chloride layer. The first insulating layer 202 and the second insulating layer 205 are used for insulation. Several fastening rings 206 are linearly fixed on the outer surface of the second insulating layer 205. The fastening rings 206 are used for reinforcement. In use, the transmission core wire 201 is insulated by the first insulating layer 202 and the second insulating layer 205. The flexible metal wire mesh layer 203 can generate resistance when bending the transmission core wire 201, avoiding damage caused by rapid bending of the transmission core wire 201 under force. The elastic protective layer 204 further provides elastic buffer protection for the transmission core wire 201, extending the service life of the transmission core wire 201 and reducing the impact of bending on the transmission core wire 201.
[0031] like Figure 3 As shown, the protective component 3 includes an extension ring 301 fixedly installed on one side of the connector 1, and a protective ring 302 fixedly installed on the side of the extension ring 301 away from the connector 1. The extension ring 301 and the protective ring 302 are used to limit and protect the communication cable. The inner surface of the protective ring 302 is provided with a movable groove 303. The movable groove 303 is used to prevent the transmission core wire 201 from breaking due to bending. In use, the transmission core wire 201 is limited by the extension ring 301 and the protective ring 302. At the same time, a certain distance is maintained between the inner surface of the extension ring 301 and the communication cable, so as to ensure that the communication cable has a suitable strain space while limiting the cable. By opening the movable groove 303 on the protective ring 302, dynamic bending protection can be achieved at the cable outlet. The movable groove 303 is designed as a contour structure that conforms to the bending trajectory of the cable. The movable groove 303 guides the cable to bend along a preset path, avoiding local stress concentration, thereby effectively preventing the transmission core wire 201 from breaking or signal attenuation due to bending, and ensuring the reliability of the communication cable under complex working conditions.
[0032] like Figure 5 As shown, a sealing layer 4 is provided on the outer surface of the second insulating layer 205. The sealing layer 4 is a polyvinyl chloride layer, and an electromagnetic shielding coating is provided on the outer surface of the sealing layer 4. In use, the sealing layer 4 prevents the external environment from corroding the communication cable and extends the service life of the communication cable. The electromagnetic shielding coating reduces the impact of electromagnetic interference on signal transmission.
[0033] like Figure 4 As shown, the outer surface of the sealing layer 4 is provided with several lower path guide blocks 5, and the top of the lower path guide blocks 5 is bolted with an upper path guide block 6. In use, the lower path guide blocks 5 and the upper path guide blocks 6 are set in the area where the communication cable needs to be bent to a large extent. Through the combination structure of the lower path guide blocks 5 and the upper path guide blocks 6, the communication cable can be fully wrapped with a path constraint. The lower path guide blocks 5 and the upper path guide blocks 6 guide the cable to bend along the preset path through the contoured curved surface, eliminating stress concentration caused by irregular bending and avoiding breakage or signal attenuation of the transmission core 201 inside the communication cable.
[0034] like Figure 5 As shown, the outer surface of the sealing layer 4 is provided with several wire clamping blocks 7. The top of the wire clamping block 7 has two threaded holes 8. In use, the wire clamping block 7 can be used to rigidly constrain the communication cable, which can ensure that the communication cable is fixed along the preset path and avoid the communication cable breakage caused by random bending, tangling or external pressure.
[0035] like Figure 3 As shown, a first rubber pad 9 is fixedly connected to the inner surface of the extension ring 301, and a second rubber pad 10 is fixedly connected to the inner surface of the protective ring 302. In use, the first rubber pad 9 and the second rubber pad 10 can prevent the communication cable from colliding with the extension ring 301 and the protective ring 302 and causing damage.
[0036] like Figure 3 As shown, the elastic protective layer 204 is made of thermoplastic elastomer. The elastic protective layer 204 is fused with the flexible metal wire mesh layer 203. The elastic protective layer 204 is used to reduce the impact of bending on the communication cable. When in use, the thermoplastic elastomer has good wear resistance, is flexible in processing, and provides good protection for the transmission core wire 201.
[0037] Specifically, in use, this communication cable anti-bending protection device based on an elastic buffer structure: the transmission core wire 201 is insulated by the first insulation layer 202 and the second insulation layer 205; the flexible metal mesh layer 203 generates resistance when bending the transmission core wire 201, preventing the transmission core wire 201 from being damaged by rapid bending under force; and the elastic protective layer 204 further provides elastic buffer protection for the transmission core wire 201, extending the service life of the transmission core wire 201 and reducing the impact of bending on the transmission core wire 201 (e.g., ...). Figure 3As shown, the transmission core wire 201 is limited by the extension ring 301 and the protection ring 302. Simultaneously, a certain distance is maintained between the inner surface of the extension ring 301 and the communication cable, ensuring adequate strain space for the communication cable while limiting its movement. A movable groove 303 is provided on the protection ring 302 to achieve dynamic bending protection at the cable exit. The movable groove 303 is designed as a contoured structure to conform to the cable's bending trajectory. The movable groove 303 guides the cable to bend along a preset path, avoiding localized stress concentration and effectively preventing breakage of the transmission core wire 201 or signal attenuation caused by bending, thus ensuring the reliability of the communication cable under complex operating conditions (such as...). Figure 3 As shown), the sealing layer 4 prevents external environmental corrosion of the communication cable, extending its service life. The electromagnetic shielding coating reduces the impact of electromagnetic interference on signal transmission (e.g., ...). Figure 5 (As shown).
[0038] All technical features in this embodiment can be freely combined according to actual needs.
[0039] The above embodiments are preferred implementations of this utility model. In addition, this utility model can also be implemented in other ways. Any obvious substitutions without departing from the concept of this technical solution are within the protection scope of this utility model.
Claims
1. A communication cable anti-bending protection device based on an elastic buffer structure, comprising a connector (1), characterized in that, The connector (1) is provided with a wire protection component (2) for preventing the communication cable from bending, and the wire protection component (2) is provided with a protection component (3) for protecting the connection between the connector (1) and the communication cable; The line protection assembly (2) includes a transmission core wire (201) disposed on one side of the connector (1). The outer surface of the transmission core wire (201) is provided with a first insulation layer (202). The outer surface of the first insulation layer (202) is provided with a flexible metal wire mesh layer (203). The flexible metal wire mesh layer (203) is a galvanized steel wire layer. The outer surface of the flexible metal wire mesh layer (203) is provided with an elastic protective layer (204). The outer surface of the elastic protective layer (204) is provided with a second insulation layer (205). The first insulation layer (202) and the second insulation layer (205) are polyvinyl chloride layers. The outer surface of the second insulation layer (205) is linearly fixed with a plurality of fastening rings (206).
2. The communication cable anti-bending protection device based on an elastic buffer structure according to claim 1, characterized in that, The protective component (3) includes an extension ring (301) fixedly installed on one side of the connector (1), and a protective ring (302) fixedly installed on the side of the extension ring (301) away from the connector (1), and a movable groove (303) is provided on the inner surface of the protective ring (302).
3. The communication cable anti-bending protection device based on an elastic buffer structure according to claim 1, characterized in that, The outer surface of the second insulating layer (205) is provided with a sealing layer (4), the sealing layer (4) is a polyvinyl chloride layer, and the outer surface of the sealing layer (4) is provided with an electromagnetic shielding coating.
4. The communication cable anti-bending protection device based on an elastic buffer structure according to claim 3, characterized in that, The outer surface of the sealing layer (4) is provided with a plurality of lower path guide blocks (5), and the top of the lower path guide blocks (5) is bolted with an upper path guide block (6).
5. A communication cable anti-bending protection device based on an elastic buffer structure according to claim 3, characterized in that, The outer surface of the sealing layer (4) is provided with a plurality of wire clamping blocks (7), and the top of the wire clamping blocks (7) has two threaded holes (8).
6. The communication cable anti-bending protection device based on an elastic buffer structure according to claim 2, characterized in that, The inner surface of the extension ring (301) is fixedly connected to a first rubber pad (9), and the inner surface of the protective ring (302) is fixedly connected to a second rubber pad (10).
7. The communication cable anti-bending protection device based on an elastic buffer structure according to claim 1, characterized in that, The elastic protective layer (204) is made of thermoplastic elastomer. The elastic protective layer (204) is fused with the flexible metal wire mesh layer (203). The elastic protective layer (204) is used to reduce the impact of bending on the communication cable.