A branching cable

Abstract

The utility model discloses a branch cable belongs to cable field, and it is including: main conductor and branch conductor, and main conductor and branch conductor all have combination part, branch part and independent part, and the combination part of main conductor and the combination part of branch conductor are connected, and the first C type pipe and first wrapping layer that are parallelly wrapped in the branch part outside main conductor, and the second C type pipe and second wrapping layer that are parallelly wrapped in the branch part outside branch conductor, and the split -type mould that is spacedly wrapped in the first C type pipe, first wrapping layer, second C type pipe and second wrapping layer outside, and the split -type mould is filled with insulating glue, so that insulating glue wraps first C type pipe, first wrapping layer, second C type pipe and second wrapping layer. The utility model's technical effect lies in that the insulating performance of its branch is good and the sealing waterproof property is good.

Description

Technical Field

[0001] This utility model relates to cables, and more particularly to a branch cable. Background Technology

[0002] Branch cables are a type of power cable that is pre-customized in a factory and consists of a main cable and multiple branch cables connected together using a special process according to design requirements.

[0003] Insulation at the branch points of related branch cables is generally ensured by wrapping with insulating tape. However, the stress at the branch points of related branch cables is complex and can easily damage the insulating tape, resulting in poor insulation performance at the branch points of related branch cables. Utility Model Content

[0004] Purpose of the utility model: The purpose of this utility model is to provide a branch cable with good insulation performance and good sealing and waterproof performance at the branch points.

[0005] Technical solution: A branch cable, comprising: A main body and a branch conductor, both the main body and the branch conductor having a connecting portion, a branch portion and an independent portion, wherein the connecting portion of the main body and the connecting portion of the branch conductor are connected; A first C-shaped tube and a first wrapping layer are arranged side by side around the branch of the main body; A second C-shaped tube and a second wrapping layer are arranged side by side and wrapped around the branch portion of the conductor; A split mold is spaced around the first C-shaped tube, the first wrapping layer, the second C-shaped tube, and the second wrapping layer. The split mold is filled with insulating glue so that the insulating glue wraps around the first C-shaped tube, the first wrapping layer, the second C-shaped tube, and the second wrapping layer.

[0006] Optionally, the first wrapping layer and the second wrapping layer have the same structure, both including: A water-blocking filling layer located outside the branch of the main conductor or the branch of the branch conductor; Water-blocking tape and self-adhesive insulating tape are sequentially wrapped around the water-blocking filling layer; The insulating adhesive is wrapped around the self-adhesive insulating tape.

[0007] Optionally, the split mold includes a first mold and a second mold that are detachably connected to each other. The first mold and the second mold are spaced apart and wrapped around the first C-shaped tube, the first wrapping layer, the second C-shaped tube, and the second wrapping layer. The insulating adhesive is poured into the first mold and the second mold.

[0008] Optionally, the split mold further includes: The buckle is connected to the first mold; A slot is provided in the second mold, and the slot and the buckle are engaged.

[0009] Optionally, it also includes a first sheath that wraps around the split mold.

[0010] Optionally, the joint and independent parts of the main conductor, as well as the joint and independent parts of the branch conductor, are sequentially wrapped with water-blocking powder, insulating paper, insulating layer, and second sheath.

[0011] Optionally, it may also include a connector between the independent portion of the main conductor and the independent portion of the branch conductor.

[0012] Optionally, the connector includes: A first clamp connected to an independent part of the main body; A second clamp connected to the independent portion of the branch conductor; The connecting rod is movable and locked between the first clamp and the second clamp.

[0013] Beneficial effects: (1) The split mold facilitates the injection molding of insulating glue. The use of injection molding facilitates the tight wrapping of insulating glue around the first C-shaped tube, the first wrapping layer, the second C-shaped tube and the second wrapping layer, and also facilitates the increase of the thickness of the insulating glue, thereby facilitating the prevention of damage and failure of the insulating glue, and thus facilitating the good insulation performance and good sealing and waterproof performance of the branch parts of the main body and the branch parts of the branch conductor. (2) The water-blocking filler layer is used to block water. The water-blocking filler layer can be made of powder such as sodium polyacrylate or polyacrylamide. The water-blocking tape is used to block water and to fix the water-blocking filler layer. The water-blocking tape can be made of a composite material of non-woven fabric and sodium polyacrylate. (3) The connector is used to reduce the risk of the independent parts of the main conductor and the independent parts of the branch conductor being pulled apart by external forces, and also plays a fixing role when the branch conductor is installed. Attached Figure Description

[0014] Figure 1 This is one of the structural diagrams of a branch cable according to Embodiment 1 of this utility model; Figure 2 This is a second structural diagram of a branch cable according to Embodiment 1 of this utility model; Figure 3 This is the third structural diagram of a branch cable according to Embodiment 1 of this utility model; In the diagram: 1. Main conductor; 2. Branch conductor; 31. First C-shaped tube; 32. Second C-shaped tube; 41. First wrapping layer; 42. Second wrapping layer; 431. Water-blocking filling layer; 432. Water-blocking tape; 433. Self-adhesive insulating tape; 5. Split mold; 6. Insulating adhesive; 7. First sheath; 81. Water-blocking powder; 82. Insulating paper; 83. Insulating layer; 84. Second sheath; 9. Connector; 91. First clamp; 92. Second clamp; 93. Connecting rod; 10. Joint; 20. Branch; 30. Independent part. Detailed Implementation

[0015] To make the technical solution of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0016] The present application will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the relevant utility model and not intended to limit the utility model. Furthermore, it should be noted that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings. The terms "first," "second," etc., used in this utility model are provided for the convenience of describing the technical solution of this utility model and have no specific limiting effect; they are all general terms and do not constitute a limitation on the technical solution of this utility model. It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of this application can be combined with each other. In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Multiple technical solutions in the same embodiment, as well as multiple technical solutions in different embodiments, can be arranged and combined to form new technical solutions that do not contradict or conflict, all of which are within the scope of protection claimed by this utility model.

[0017] Example 1 like Figure 1This embodiment provides a branch cable, including: a main conductor 1 and a branch conductor 2, both the main conductor 1 and the branch conductor 2 having a connecting portion 10, a branch portion 20 and an independent portion 30, the connecting portion 10 of the main conductor 1 and the connecting portion 10 of the branch conductor 2 being connected; a first C-shaped tube 31 and a first wrapping layer 41 wrapped around the branch portion 20 of the main conductor 1 in parallel; a second C-shaped tube 32 and a second wrapping layer 42 wrapped around the branch portion 20 of the branch conductor 2 in parallel; and a split mold 5 wrapped around the first C-shaped tube 31, the first wrapping layer 41, the second C-shaped tube 32 and the second wrapping layer 42 at intervals, the split mold 5 being filled with insulating glue 6 so that the insulating glue 6 wraps around the first C-shaped tube 31, the first wrapping layer 41, the second C-shaped tube 32 and the second wrapping layer 42.

[0018] Specifically, both the main conductor 1 and the branch conductor 2 are used to transmit electrical energy. The materials of both the main conductor 1 and the branch conductor 2 are preferably oxygen-free copper wire with a copper content >99.96%. The joint 10 represents the state when the main conductor 1 and the branch conductor 2 are not separated, the branch 20 represents the state when the main conductor 1 and the branch conductor 2 are separating, and the independent part 30 represents the state after the main conductor 1 and the branch conductor 2 have separated. The first C-shaped tube 31 is used to crimp the branch 20 of the main conductor 1 to prevent the branch 20 of the main conductor 1 from spreading out and to reduce contact resistance. The first wrapping layer 41 is used to wrap the area of ​​the branch 20 of the main conductor 1 that is not crimped, ensuring good mechanical and electrical properties. The second C-shaped tube 32 is used to wrap the branch of the branch conductor 2. The 20 is crimped to prevent the branch portion 20 of the conductor 2 from spreading out and to reduce contact resistance; the second wrapping layer 42 is used to wrap the area of ​​the branch portion 20 of the conductor 2 that is not crimped, ensuring good mechanical and electrical properties; the split mold 5 facilitates the injection molding of the insulating adhesive 6. Injection molding facilitates the tight wrapping of the insulating adhesive 6 around the first C-shaped tube 31, the first wrapping layer 41, the second C-shaped tube 32 and the second wrapping layer 42, and also facilitates increasing the thickness of the insulating adhesive 6, thereby facilitating the prevention of damage and failure of the insulating adhesive 6, and thus ensuring good insulation performance and good sealing and waterproofing of the branch portion 20 of the main body 1 and the branch portion 20 of the conductor 2. The material of the insulating adhesive 6 can be cross-linked polyethylene, thermoplastic polyethylene, etc.

[0019] Furthermore, such as Figure 1 The first wrapping layer 41 and the second wrapping layer 42 have the same structure, both including: a water-blocking filling layer 431 located outside the branch portion 20 of the main body 1 or the branch portion 20 of the branch conductor 2; a water-blocking tape 432 and a self-adhesive insulating tape 433 sequentially wrapped around the water-blocking filling layer 431; wherein, the insulating adhesive 6 is wrapped around the self-adhesive insulating tape 433.

[0020] Specifically, the water-blocking filler layer 431 is used to block water, and the water-blocking filler layer 431 can be a powder made of sodium polyacrylate or polyacrylamide, etc.; the water-blocking tape 432 is used to block water and to fix the water-blocking filler layer 431, and the water-blocking tape 432 can be a composite material of non-woven fabric and sodium polyacrylate; the self-adhesive insulating tape 433 is used to increase the insulation performance, and the self-adhesive insulating tape 433 can be a composite material mainly composed of ethylene propylene rubber.

[0021] Furthermore, such as Figure 1 The split mold 5 includes a first mold and a second mold that are detachably connected to each other. The first mold and the second mold are wrapped around the first C-shaped tube 31, the first wrapping layer 41, the second C-shaped tube 32 and the second wrapping layer 42 at intervals. The first mold and the second mold are filled with insulating glue 6.

[0022] Specifically, the first and second molds, which are detachably connected, facilitate the installation of the split mold 5. It should be noted that after the insulating adhesive 6 is injected, there is no need to disassemble the first and second molds. The first and second molds are made of the same material, preferably PVC.

[0023] Furthermore, such as Figure 1 The split mold 5 also includes: a buckle connected to the first mold; and a slot provided in the second mold, wherein the slot and the buckle are engaged.

[0024] Specifically, the buckle and slot work together to ensure the reliable connection between the first mold and the second mold, thereby facilitating the smooth injection of insulating adhesive 6.

[0025] Furthermore, such as Figure 1 It also includes a first sheath 7 that is wrapped around the split mold 5.

[0026] Specifically, the first sheath 7 is used to protect the main body 1, the branch conductor 2, and the split mold 5, etc. The material of the first sheath 7 is preferably halogen-free, low-smoke, flame-retardant polyethylene.

[0027] Furthermore, such as Figures 2-3 The main conductor 1, including its connecting part 10 and independent part 30, and the branch conductor 2, are sequentially wrapped with water-blocking powder 81, insulating paper 82, insulating layer 83, and second sheath 84.

[0028] Specifically, water-blocking powder 81 is used for water blocking, and the material of water-blocking powder 81 can be sodium polyacrylate or polyacrylamide, etc.; insulating paper 82 is used to fix water-blocking powder 81 and for insulation, and the material of insulating paper 82 can be vulcanized fiber, etc.; insulating layer 83 is used for insulation, and the material of insulating layer 83 can be cross-linked polyethylene; second sheath 84 is used for protection, and the material of second sheath 84 can be halogen-free low-smoke flame-retardant polyethylene.

[0029] Furthermore, such as Figure 1 It also includes a connector 9 connecting the independent portion 30 of the main conductor 1 and the independent portion 30 of the branch conductor 2.

[0030] Specifically, the connector 9 is used to reduce the risk of the independent part 30 of the main conductor 1 and the independent part 30 of the branch conductor 2 being separated by external force, and also plays a fixing role when the branch conductor 2 is installed.

[0031] Furthermore, such as Figure 1 The connecting body 9 includes: a first clamp 91 connected to the independent part 30 of the main body 1; a second clamp 92 connected to the independent part 30 of the branch conductor 2; and a connecting rod 93 that is movably locked between the first clamp 91 and the second clamp 92.

[0032] Specifically, multiple mounting holes can be opened on the connecting rod 93 to facilitate the selection of appropriate mounting holes based on the distance between the independent part 30 of the main conductor 1 and the independent part 30 of the branch conductor 2, and to lock them with fasteners, thereby achieving movable locking and ensuring that the connecting body 9 has a wide range of applications.

[0033] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A branch cable, characterized in that, include: A main body (1) and a branch conductor (2), both the main body (1) and the branch conductor (2) having a connecting part (10), a branch part (20) and an independent part (30), the connecting part (10) of the main body (1) and the connecting part (10) of the branch conductor (2) are connected; A first C-shaped tube (31) and a first wrapping layer (41) are arranged side by side around the branch (20) of the main body (1); A second C-shaped tube (32) and a second wrapping layer (42) are arranged side by side and wrapped around the branch (20) of the conductor (2); A split mold (5) is spaced around the first C-shaped tube (31), the first wrapping layer (41), the second C-shaped tube (32) and the second wrapping layer (42). The split mold (5) is filled with insulating glue (6) so that the insulating glue (6) wraps around the first C-shaped tube (31), the first wrapping layer (41), the second C-shaped tube (32) and the second wrapping layer (42).

2. A branch cable according to claim 1, characterized in that, The first wrapping layer (41) and the second wrapping layer (42) have the same structure, both including: A water-blocking filling layer (431) located outside the branch (20) of the main body (1) or the branch (20) of the branch conductor (2); Water-blocking tape (432) and self-adhesive insulating tape (433) are sequentially wrapped around the water-blocking filling layer (431); The insulating adhesive (6) is wrapped around the self-adhesive insulating tape (433).

3. A branch cable according to claim 1 or 2, characterized in that, The split mold (5) includes a first mold and a second mold that are detachably connected to each other. The first mold and the second mold are wrapped around the first C-shaped tube (31), the first wrapping layer (41), the second C-shaped tube (32) and the second wrapping layer (42) at intervals. The first mold and the second mold are filled with the insulating glue (6).

4. A branch cable according to claim 3, characterized in that, The split mold (5) also includes: The buckle is connected to the first mold; A slot is provided in the second mold, and the slot and the buckle are engaged.

5. A branch cable according to claim 1 or 2, characterized in that, It also includes a first sheath (7) that wraps around the split mold (5).

6. A branch cable according to claim 1 or 2, characterized in that, The main conductor (1) and the independent part (30) are wrapped with water-blocking powder (81), insulating paper (82), insulating layer (83) and second sheath (84) in sequence.

7. A branch cable according to claim 1 or 2, characterized in that, It also includes a connector (9) connecting the independent part (30) of the main conductor (1) and the independent part (30) of the branch conductor (2).

8. A branch cable according to claim 7, characterized in that, The connector (9) includes: A first clamp (91) connected to the independent part (30) of the main body (1); A second clamp (92) connected to the independent portion (30) of the branch conductor (2); The connecting rod (93) is movable and locked between the first clamp (91) and the second clamp (92).

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