Communication low-smoke halogen-free cable
By setting up wiring auxiliary components at the cable terminals, the problem of wire core tangling was solved, and an efficient and reliable wiring process was achieved.
Patent Information
- Application Number
- CN202423177600.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-23
AI Technical Summary
The multiple wires inside the cable may become tangled, affecting the efficiency of subsequent wiring.
Wiring auxiliary components are set at the terminal, including connectors, limit kits and threaded sleeves, which fix the wire core in the appropriate position through limit grooves, guide plates and locking parts to avoid tangling.
This effectively avoids wire tangling, improves wiring efficiency and reliability, and ensures a smooth wiring process.
Smart Images
Figure CN223566995U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of communication cable, concretely relates to a communication low smoke halogen-free cable. BACKGROUND
[0002] Communication cable is a communication line composed of a cable core of multiple mutually insulated wires or conductors and an outer sheath for protecting the cable core from moisture and mechanical damage. In particularly harsh environments, a protective layer can also be installed outside the communication cable sheath if necessary.
[0003] Patent No. CN2201820556112.9 discloses a halogen-free low-smoke flame-retardant B1-level communication cable, which comprises a plurality of wire cores and an outer wrapping layer wrapped on the outside; the wire core is formed by winding two conductors in a double-strand pair, and a high-density polyethylene insulating layer is wrapped on the outside of the conductors; a layer of tinned wire braided shielding layer is wrapped on the outside of the two conductors, and a layer of ceramicized polyolefin oxygen barrier layer is extruded and wrapped on the outside of the tinned wire braided shielding layer; the outer wrapping layer is extruded and wrapped with a ceramicized polyolefin filling inner protective layer, a tinned wire braided total shielding layer, a ceramicized silicone tape wrapping layer and a halogen-free low-smoke flame-retardant polyolefin outer protective layer from inside to outside. The utility model adopts the insulating layer made of cross-linked polyethylene material, which can effectively improve the insulating performance and ensure the safety of the cable; the ceramicized polyolefin oxygen barrier layer forms ceramicization after burning, effectively preventing oxygen from entering the insulating layer. However, the plurality of wire cores inside the cable are not limited, and may be entangled with each other, which brings inconvenience to the subsequent wiring process. Therefore, the present application provides a communication low-smoke halogen-free cable, which solves the problem of wire core entanglement inside the cable affecting the wiring efficiency by providing a wiring auxiliary assembly at the wiring end.
[0004] The information disclosed in this section is only intended to increase the understanding of the overall background of the utility model, and should not be regarded as acknowledging or implying in any form that the information constitutes prior art known to those skilled in the art. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims to provide a communication low-smoke halogen-free cable to solve the problem of entanglement between the plurality of wire cores inside the cable, which brings inconvenience to the subsequent wiring process.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A communication low-smoke halogen-free cable, the wiring end is provided with a wiring auxiliary assembly, and the wiring auxiliary assembly comprises:
[0008] The connecting piece comprises integrally formed connecting pipe one and connecting pipe two; the connecting pipe one is provided with two symmetrical limiting grooves on the side facing the connecting pipe two; the connecting pipe two is sleeved on the cable;
[0009] The limiting assembly is located in the inside of the connecting pipe, and comprises a guide plate one, a guide plate two and a guide plate three; the guide plate one, the guide plate two and the guide plate three are all provided with an avoiding hole for the cable core to pass through; the two ends of the guide plate one are located in the limiting grooves in the corresponding positions respectively, and the front plate middle part of the guide plate one is provided with an inclined clamping groove one, and the rear plate middle part of the guide plate one is provided with an inclined clamping groove two; the guide plate two middle part is located in the clamping groove one, and the guide plate three middle part is located in the clamping groove two; the guide plate one, the guide plate two and the guide plate three are fixed through locking pieces.
[0010] The threaded sleeve is sleeved on the connecting pipe two and is in threaded cooperation with the connecting pipe two.
[0011] Preferably, the inner diameter of the connecting pipe two is the same as the outer diameter of the outermost layer of the cable, and the end of the connecting pipe two away from the connecting pipe one is provided with a plurality of clamping pieces; the outer wall of the clamping piece is provided with external threads and is in threaded cooperation with the threaded sleeve.
[0012] Preferably, the outer wall of the threaded sleeve is provided with a plurality of convex plates, and a spacing groove is arranged between adjacent convex plates.
[0013] Preferably, the inside of the limiting assembly is provided with two locking pieces, and the locking piece comprises a locking plate one and a locking plate two; the locking plate one is provided with two connecting columns, and the connecting columns pass through the guide plate one, the guide plate two and the guide plate three; the end of the connecting column away from the locking plate one is provided with an avoiding groove; the front end of the inner wall of the avoiding groove is provided with a hook plate; the locking plate two is provided with a locking hole corresponding to the position of the connecting column, and the locking hole is provided with a limiting plate; the limiting plate is located in the avoiding groove, and the limiting plate is provided with a clamping groove three matched with the hook plate.
[0014] Preferably, the front plate of the guide plate one is provided with two symmetrical combination grooves one, and the guide plate two is provided with two symmetrical combination grooves two; the combination groove one and the combination groove two in the corresponding positions are combined into a placing groove one for the locking plate one to enter.
[0015] Preferably, the rear plate of the guide plate one is provided with two symmetrical combination grooves three, and the guide plate three is provided with two symmetrical combination grooves four; the combination groove three and the combination groove four in the corresponding positions are combined into a placing groove two for the locking plate two to enter.
[0016] Compared with the prior art, the utility model has the advantages that:
[0017] (1) The utility model discloses a communication low smoke halogen-free cable, through setting up the wiring auxiliary assembly at the wiring end, the wire core that can be arranged according to the position of the avoiding hole on each guide plate that stretches out from the wiring end, can avoid the problem of wire core mutual entanglement influence subsequent wiring efficiency.
[0018] (2) The utility model discloses a communication low smoke halogen-free cable, through the butt joint of connecting piece and cable wiring end, cooperate threaded bushing can lock connecting piece with cable, avoid the separation of wiring process, threaded bushing is equipped with a plurality of convex boards at intervals, can increase the friction, be convenient for manual screwing and unscrewing threaded bushing, convenient dismounting and installation.
[0019] (3) The utility model discloses a communication low smoke halogen-free cable, two symmetrical limit slots are set up on connecting pipe no. 2, and the both ends of guide plate no. 1 are limited, can prevent the rotation of entire limit assembly in connecting pipe no. 1, is favorable to avoid wire core winding, influence wiring efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is the external schematic diagram of the utility model;
[0021] Figure 2 It is the front view of the utility model's wiring auxiliary assembly;
[0022] Figure 3 It is the schematic diagram of the utility model's connecting piece;
[0023] Figure 4 It is the front view of Figure 3 ;
[0024] Figure 5 It is the schematic diagram of the utility model's limit assembly;
[0025] Figure 6 It is the schematic diagram of guide plate no. 1, guide plate no. 2 and guide plate no. 3 of the utility model;
[0026] Figure 7 It is the schematic diagram of the utility model's locking piece;
[0027] MAIN REFERENCE NUMERALS EXPLANATION
[0028] 1, connecting piece;2, connecting pipe no. 1;3, connecting pipe no. 2;4, limit slot;5, limit assembly;6, guide plate no. 1;7, guide plate no. 2;8, guide plate no. 3;9, avoiding hole;10, clamping groove no. 1;11, clamping groove no. 2;12, locking piece;13, threaded bushing;14, clamping piece;15, convex board;16, interval slot;17, locking plate no. 1;18, locking plate no. 2;19, connecting column;20, avoiding slot;21, hook plate;22, locking hole;23, limit plate;24, clamping groove no. 3;25, combination groove no. 1;26, combination groove no. 2;27, combination groove no. 4. DETAILED DESCRIPTION
[0029] The technical scheme of the utility model will be described clearly and completely below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the skilled in the art without creative labor belong to the protection scope of the utility model.
[0030] In the description of the utility model, it needs to be explained that, if the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the utility model and simplifying the description, and it does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0031] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, if the terms such as "mounting", "connection" and "connection" appear, they should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the connection between two elements inside. For the skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0032] Referring to the drawings Figures 1-7 A low-smoke halogen-free cable, the wiring end is provided with a wiring auxiliary assembly, the wiring auxiliary assembly comprises:
[0033] The connecting piece 1 comprises integrally formed connecting pipe one 2 and connecting pipe two 3; the side of the connecting pipe one 2 facing the connecting pipe two 3 is provided with two symmetrical limiting grooves 4; the connecting pipe two 3 is sleeved on the cable;
[0034] The limiting sleeve 5 is located in the connecting pipe one 2 and comprises a guide plate one 6, a guide plate two 7 and a guide plate three 8; the guide plate one 6, the guide plate two 7 and the guide plate three 8 are all provided with avoiding holes 9 for the cable core to pass through; the two ends of the guide plate one 6 are respectively located in the corresponding limiting grooves 4, the front panel middle part is provided with an inclined clamping groove one 10, and the rear panel middle part is provided with an inclined clamping groove two 11; the middle part of the guide plate two 7 is located in the clamping groove one 10, and the middle part of the guide plate three 8 is located in the clamping groove two 11; the guide plate one 6, the guide plate two 7 and the guide plate three 8 are fixed by the locking piece 12;
[0035] The threaded sleeve 13 is sleeved on the connecting pipe two 3 and is in threaded cooperation with the connecting pipe two 3, so that the connecting pipe two 3 can be locked and fixed on the cable; the outer wall of the threaded sleeve 13 is provided with a plurality of protruding plates 15, and a spacing groove 16 is arranged between adjacent protruding plates 15, so that the friction can be increased, and the threaded sleeve 13 can be conveniently screwed or unscrewed manually.
[0036] In the embodiment, the included angle between the guide plate one 6 and the guide plate two 7 and the guide plate three 8 arranged obliquely is 60°. Three avoiding holes 9 are arranged on each guide plate, and the avoiding holes 9 in the middle of the guide plates coincide with each other. The inner diameter of the connecting pipe two 3 is the same as the outer diameter of the outermost layer of the cable, and the end of the connecting pipe two 3 away from the connecting pipe one 2 is provided with a plurality of clamping pieces 14; the outer wall of the clamping piece 14 is provided with external threads and is in threaded cooperation with the threaded sleeve 13, and when the threaded sleeve 13 is rotated and moved to cooperate with the clamping piece 14, the clamping piece 14 can be tightly attached to the outermost layer of the cable, so that the connecting piece 1 is locked and fixed with the cable, and the phenomenon of separation in subsequent wiring operation is avoided.
[0037] The limiting sleeve set 5 is internally provided with two locking pieces 12, and the locking piece 12 comprises a locking plate one 17 and a locking plate two 18; the locking plate one 17 is provided with two connecting columns 19, the connecting columns 19 pass through the guide plate one 6, the guide plate two 7 and the guide plate three 8; the end of the connecting column 19 away from the locking plate one 17 is provided with an avoiding groove 20; the inner wall of the avoiding groove 20 is provided with a hook plate 21 at the front end; the locking plate two 18 is provided with a locking hole 22 corresponding to the position of the connecting column 19, and the locking hole 22 is internally provided with a limiting plate 23; the limiting plate 23 is located in the avoiding groove 20 and is provided with a clamping groove three 24 cooperating with the hook plate 21. When the connecting column 19 on the locking plate one 17 passes through the guide plate one 6, the guide plate two 7 and the guide plate three 8, it will enter the locking hole 22 provided on the locking plate two 18 at the corresponding position; at this time, the limiting plate 23 in the locking hole 22 will enter the avoiding groove 20 provided on the corresponding connecting column 19, so that the hook plate 21 at the front end of the inner wall of the avoiding groove 20 cooperates with the clamping groove three 24 at the corresponding position, which can prevent the connecting column 19 from being pulled out of the avoiding hole 9 and play a limiting effect, so that the relative positions of the guide plate one 6, the guide plate two 7 and the guide plate three 8 remain unchanged. When the relative positions of the guide plate one 6, the guide plate two 7 and the guide plate three 8 do not change, the relative positions of the cable cores passing through the avoiding holes 9 arranged on each guide plate also do not change, which is beneficial to avoid the mutual entanglement of the cores and affects the wiring efficiency.
[0038] It needs to be explained that two symmetrical combination grooves one 25 are arranged on the front panel of the guide plate one 6, and two symmetrical combination grooves two 26 are arranged on the guide plate two 7; the combination grooves one 25 and the combination grooves two 26 at the corresponding positions are combined into a placing groove one for the locking plate one 17 to enter. Two symmetrical combination grooves three are arranged on the rear panel of the guide plate one 6, and two symmetrical combination grooves four 27 are arranged on the guide plate three 8; the combination grooves three and the combination grooves four 27 at the corresponding positions are combined into a placing groove two for the locking plate two 18 to enter. The locking plate one 17 is placed into the placing groove one at the corresponding position, and the locking plate two 18 is placed into the placing groove two at the corresponding position, so that the locking plate one 17 and the locking plate two 18 at the corresponding positions are clamped with each other, and the side of the guide plate two 7 and the guide plate three 8 away from the guide plate one 6 is kept in a flat state, facilitating installation and improving disassembly difficulty, so that the guide plate one 6, the guide plate two 7 and the guide plate three 8 are difficult to be disassembled without the aid of instruments, the disassembly of the guide plate one 6, the guide plate two 7 and the guide plate three 8 is avoided after the cable is successfully connected, and the wire cores in the cable can be kept in a state of not being twisted with each other for a long time.
[0039] The utility model discloses a communication low smoke halogen -free cable, through setting up wiring auxiliary assembly at wiring end, adopt the mode that connecting piece 1 cooperates with threaded sleeve 13, wiring auxiliary assembly is locked and fixed on cable, after the wire core passes through the limiting sleeve 5, does not appear mutual entwining condition again, solved the problem that the cable internal wire core entwining influences wiring efficiency, very practical, has better market application prospect.
[0040] The foregoing description of specific exemplary embodiments of the present application is intended for purposes of illustration and example only. These descriptions are not intended to limit the application to the precise forms disclosed, and obviously many changes and modifications can be suggested to one skilled in the art without departing from the spirit or scope of the application. It is chosen and described exemplary embodiments in order to explain the particular principles of the application and its practical application, so that those skilled in the art can realize and utilize various different exemplary embodiments of the application and various different choices and changes. The scope of the present application is intended to be defined by the claims and their equivalents.
Claims
1. A communication low smoke zero halogen cable, characterized in that, The terminal is provided with a terminal auxiliary assembly, which comprises: The connecting piece comprises a connecting pipe one and a connecting pipe two which are integrally formed; the connecting pipe one is provided with two symmetrical limiting grooves on the side facing the connecting pipe two; the connecting pipe two is sleeved on the cable; The limiting sleeve assembly is located inside the connecting pipe one and comprises a guide plate one, a guide plate two and a guide plate three; the guide plate one, the guide plate two and the guide plate three are all provided with avoiding holes for the cable core to pass through; the two ends of the guide plate one are respectively located in the corresponding limiting grooves, and the front panel middle part is provided with an inclined clamping groove one, and the rear panel middle part is provided with an inclined clamping groove two; the middle part of the guide plate two is located in the clamping groove one, and the middle part of the guide plate three is located in the clamping groove two; the guide plate one, the guide plate two and the guide plate three are fixed by the locking piece; The threaded sleeve is sleeved on the connecting pipe two and is in threaded cooperation with the connecting pipe two.
2. The communication low smoke zero halogen cable of claim 1, wherein, The inner diameter of the connecting pipe two is the same as the outer diameter of the outermost layer of the cable, and the end away from the connecting pipe one is provided with a plurality of clamping pieces; the outer wall of the clamping piece is provided with external threads and is in threaded cooperation with the threaded sleeve.
3. The communication low smoke zero halogen cable of claim 1, wherein, The outer wall of the threaded sleeve is provided with a plurality of convex plates, and a spacing groove is left between adjacent convex plates.
4. The communication low smoke zero halogen cable of claim 1, wherein, The inside of the limiting sleeve assembly is provided with two locking pieces, and the locking piece comprises a locking plate one and a locking plate two; the locking plate one is provided with two connecting columns, and the connecting columns pass through the guide plate one, the guide plate two and the guide plate three; the end of the connecting column away from the locking plate one is provided with an avoiding groove; the inner wall of the avoiding groove is provided with a hook plate at the front end; the locking plate two is provided with a locking hole corresponding to the position of the connecting column, and the locking hole is provided with a limiting plate; the limiting plate is located in the avoiding groove, and the limiting plate is provided with a clamping groove three matched with the hook plate.
5. A communication low smoke zero halogen cable according to claim 4, characterized in that, The front panel of the guide plate one is provided with two symmetrical combination grooves one, and the guide plate two is provided with two symmetrical combination grooves two; the combination grooves one and the combination grooves two at the corresponding positions are combined into a placing groove one for the locking plate one to enter.
6. A communication low smoke zero halogen cable according to claim 5, characterized in that, The rear panel of the guide plate one is provided with two symmetrical combination grooves three, and the guide plate three is provided with two symmetrical combination grooves four; the combination grooves three and the combination grooves four at the corresponding positions are combined into a placing groove two for the locking plate two to enter.