A multi-core cable that is easy to divide
By designing matrix-arranged conductors and support frames in multi-core cables, the problem of difficult to distinguish between the external sheath and the inner core when used is solved, and convenient line splitting operations and efficient identification are achieved.
Patent Information
- Application Number
- CN202420707832.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-08
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-04-08
AI Technical Summary
Existing multi-core cables require manual peeling of the outer sheath when used, making it difficult to distinguish the inner core crossing and affecting the efficiency of the line splitting.
A multi-core cable is designed for easy division of wires, using a matrix-arranged conductor. A support frame and a fixing groove are provided in the middle of the conductor, and an identification mark is provided on the outside of the support frame, which increases the structural strength and recognition of the cable.
Through the fixed groove of the support frame separating the conductor, the staff can more conveniently divide the line, identifying the marks and distinguishing them through color, improving the intuitiveness and efficiency of the line.
Smart Images
Figure CN222705225U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cables, in particular to a multi-core cable which is convenient for branching. Background Art
[0002] As one of the largest supporting industries in the national economy, power cable is an indispensable component of the power transmission and transformation equipment system and the foundation of various industries. It is widely used in large power stations and transmission line processes, airports, subways, river crossings, sea crossings and other occasions. It is known as the "blood vessels" and "nerves" of the national economy and is closely related to the development of the national economy. When the cable is in use, the inner core of a single multi-core cable needs to be used as a branch line, but the existing technology requires manual stripping of the outer sheath of the multi-core cable, and after stripping, the multiple inner cores of the cable will cross, making it difficult to distinguish different inner cores. For this reason, we propose a multi-core cable that is easy to separate. Utility Model Content
[0003] In order to solve the above problems, the utility model provides a multi-core cable that is easy to branch. The utility model solves the problem that when the cable is in use, the inner core of a single multi-core cable needs to be used as a branch line, but the existing technology requires manual stripping of the outer sheath of the multi-core cable, and after stripping, multiple inner cores of the cable will cross, making it difficult to distinguish different inner cores.
[0004] The utility model discloses a multi-core cable which is convenient for branching, comprising a conductor, wherein a plurality of the conductors are provided and arranged in a matrix, an inner insulating layer is provided on the outer side of the conductor, a support frame is provided in the middle of the plurality of the conductors, a fixing groove matching the inner insulating layer is provided on the support frame, a weight-reducing groove is provided in the middle of the support frame, a metal bellows is provided in the weight-reducing groove, two symmetrical identification marks are provided on the outer side of the inner insulating layer, an outer insulating layer is provided on the outer side of the support frame, a metal wire braided shielding layer is provided on the outer side of the outer insulating layer, an aluminum foil shielding layer is provided on the outer side of the metal wire braided shielding layer, and a sheath layer is provided on the outer side of the aluminum foil shielding layer.
[0005] In the above solution, a heat insulation layer is provided between the outer insulating layer and the metal wire braided shielding layer.
[0006] In the above solution, a flame retardant layer is provided on the outside of the aluminum foil shielding layer.
[0007] In the above solution, a waterproof layer is provided on the outside of the flame retardant layer.
[0008] In the above solution, the inner insulating layer and the outer insulating layer are both silicone rubber layers.
[0009] In the above solution, a metal grid is provided between the sheath layer and the waterproof layer.
[0010] The advantages and beneficial effects of the utility model are as follows: the utility model provides a multi-core cable that is convenient for branching. While the support frame supports the conductor, the conductor can be separated by the fixed groove, so that it is more convenient for the staff to branch different conductors. The identification marks on the outside of the inner insulation layer at each different position are displayed in different colors, so that the staff can more intuitively distinguish each branch line when performing branching work. The weight-reducing groove reduces the overall structural weight of the support frame, and the metal bellows increases the overall structural strength of the cable. This type of cable has a simple structure, is convenient for branching between cables, and different branch lines can be quickly distinguished by identification marks, which effectively improves the convenience of cable use. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0012] Figure 1 It is a cross-sectional view of the utility model.
[0013] In the figure: 1, conductor 2, inner insulation layer 3, support frame 4, fixing groove
[0014] 5. Weight reduction groove 6. Metal bellows 7. Identification mark 8. Outer insulation layer
[0015] 9. thermal insulation layer 10. metal wire braided shielding layer 11. aluminum foil shielding layer 12. flame retardant layer 13. waterproof layer 14. sheath layer 15. metal mesh. DETAILED DESCRIPTION
[0016] The following is a further description of the specific implementation of the present invention in conjunction with the accompanying drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection scope of the present invention.
[0017] like Figure 1As shown, the utility model is a multi-core cable that is convenient for branching, including a conductor 1, wherein the conductor 1 is provided with a plurality of conductors and arranged in a matrix, an inner insulating layer 2 is provided on the outer side of the conductor 1, and the inner insulating layer 2 increases the insulation performance of the conductor 1, and a support frame 3 is provided in the middle of the plurality of conductors 1, and a fixing groove 4 matching the inner insulating layer 2 is provided on the support frame 3. While the support frame 3 supports the conductor 1, the conductor 1 can be separated by the fixing groove 4, so that it is more convenient for the staff to branch different conductors 1, and a weight reduction groove 5 is provided in the middle of the support frame 3, and a metal corrugated tube 6 is provided in the weight reduction groove 5, and the weight reduction groove 5 reduces the overall structural weight of the support frame 3, and the metal corrugated tube 6 is provided in the weight reduction groove 5. The corrugated tube 6 increases the overall structural strength of the cable. Two symmetrical identification marks 7 are provided on the outside of the inner insulating layer 2. The identification marks 7 on the outside of the inner insulating layer 2 at each different position are displayed in different colors, so that the staff can more intuitively distinguish each branch line when performing branching work. An outer insulating layer 8 is provided on the outside of the support frame 3. A metal wire braided shielding layer 10 is provided on the outside of the outer insulating layer 8. An aluminum foil shielding layer 11 is provided on the outside of the metal wire braided shielding layer 10. The setting of the metal wire braided shielding layer 10 and the aluminum foil shielding layer 11 effectively ensures the anti-interference function of the cable. A sheath layer 14 is provided on the outside of the aluminum foil shielding layer 11.
[0018] A heat insulation layer 9 is provided between the outer insulating layer 8 and the metal wire braided shielding layer 10, and the heat insulation layer 9 increases the overall heat insulation performance of the cable.
[0019] A flame retardant layer 12 is disposed outside the aluminum foil shielding layer 11, and the flame retardant layer 12 increases the flame retardant performance of the cable.
[0020] A waterproof layer 13 is disposed outside the flame retardant layer 12, and the waterproof layer 13 improves the waterproof performance of the cable.
[0021] The inner insulating layer 2 and the outer insulating layer 8 are both silicone rubber layers.
[0022] A metal mesh 15 is provided between the sheath layer 14 and the waterproof layer 13 , and the metal mesh 15 effectively increases the overall structural strength of the cable.
[0023] Specifically, in the utility model, while the support frame 3 supports the conductor 1, the conductor 1 can be separated by the fixed groove 4, so that it is more convenient for the staff to separate the different conductors 1, and the identification mark 7 on the outside of the inner insulation layer 2 at each different position is displayed in different colors, so that the staff can more intuitively distinguish each line when performing the line separation work. The weight-reducing groove 5 reduces the overall structural weight of the support frame 3, the metal bellows 6 increases the overall structural strength of the cable, and the setting of the metal wire braided shielding layer 10 and the aluminum foil shielding layer 11 effectively ensures the anti-interference function of the cable.
[0024] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A multi-core cable for easy branching, comprising a conductor (1), characterized in that: The conductor (1) is provided with a plurality of conductors arranged in a matrix, an inner insulating layer (2) is provided on the outer side of the conductor (1), a support frame (3) is provided in the middle of the plurality of conductors (1), a fixing groove (4) matching the inner insulating layer (2) is provided on the support frame (3), a weight reduction groove (5) is provided in the middle of the support frame (3), a metal bellows (6) is provided in the weight reduction groove (5), two symmetrical identification marks (7) are provided on the outer side of the inner insulating layer (2), an outer insulating layer (8) is provided on the outer side of the support frame (3), a metal wire braided shielding layer (10) is provided on the outer side of the metal wire braided shielding layer (10), an aluminum foil shielding layer (11) is provided on the outer side of the aluminum foil shielding layer (11), and a sheath layer (14) is provided on the outer side of the aluminum foil shielding layer (11).
2. A multi-core cable for easy branching according to claim 1, characterized in that: A heat insulation layer (9) is provided between the outer insulating layer (8) and the metal wire braided shielding layer (10).
3. A multi-core cable for easy wiring according to claim 1, characterized in that: A flame retardant layer (12) is provided outside the aluminum foil shielding layer (11).
4. A multi-core cable for easy branching according to claim 3, characterized in that: A waterproof layer (13) is provided on the outer side of the flame retardant layer (12).
5. The multi-core cable for easy wiring according to claim 1, characterized in that: The inner insulating layer (2) and the outer insulating layer (8) are both silicone rubber layers.
6. A multi-core cable for easy branching according to claim 4, characterized in that: A metal grid (15) is provided between the sheath layer (14) and the waterproof layer (13).