A plug-in cable

Abstract

The present invention belongs to the field of cables, and in particular relates to a plug-in cable, which is composed of a plurality of outer sheaths, a plurality of electrical units, a skeleton and a strengthening member. It is characterized in that the skeleton consists of a skeleton body and a plurality of side brackets distributed on the outer wall of the skeleton body, and a plurality of inner brackets are distributed between two adjacent side brackets. A strengthening member is arranged inside the skeleton body. The main body of the electrical unit is arc-shaped, and the radian is the same as the radian between the corresponding two adjacent side brackets, and the radius is the same as the circle where the tops of the side brackets and the inner brackets are located. A plurality of conductive inserts are arranged on the inner surface of the electrical unit, and the conductor and the skeleton are inserted and fixed to each other. The outer sheath is located on the outer surface of the electrical unit. The present invention has the beneficial effects of simple structure, convenient construction and maintenance, material saving, long service life, etc. The present invention solves the problem in the prior art that when taking out the internal electrical unit during construction, it is necessary to damage the insulating layer and other protective layers, resulting in low construction efficiency.

Description

Technical Field

[0001] The present invention belongs to the field of cables, and in particular, relates to a plug-in cable. Background Art

[0002] Cables are the blood vessels of industrial society, and they are required to continuously transmit electrical energy. When a short circuit occurs, quick repair and replacement are needed.

[0003] In the prior art, for example, a mobile rubber cable for outdoor use with high tensile strength disclosed in CN210837251U includes a wire body and a rubber insulating layer. The outside of the wire body is provided with a rubber insulating layer. The wire body includes a skeleton structure and core wires. The core wires are arranged inside the skeleton structure. The skeleton structure includes six skeleton units evenly distributed in a circular array. The cross-section of the skeleton unit is generally an equilateral triangle. Inside the skeleton unit, there are ribs with a T-shaped cross-section. The T-shaped ribs divide the inner cavity of the skeleton unit into three parts, and one core wire is arranged in each part of the cavity; a filling layer is arranged between the cavity and the core wire to fill the gap between the core wire and the skeleton unit; one end of the skeleton unit close to the center of the wire body is provided with an arc portion, and the inner ends of the six skeleton units are spliced to form a central cavity.

[0004] The above prior art has the following drawbacks: When removing the internal core wire during construction, it is necessary to damage the rubber insulating layer and the skeleton layer, resulting in low construction efficiency. Summary of the Invention

[0005] To solve the above problems, the object of the present invention is to disclose a plug-in cable, which is realized by the following technical solutions.

[0006] A plug-in cable is composed of a plurality of outer sheaths, a plurality of electrical units, a skeleton, and two strengthening members. It is characterized in that the skeleton consists of a skeleton main body and a plurality of side brackets distributed on the outer wall of the skeleton main body. A plurality of inner brackets are distributed between adjacent two side brackets. Second slots are formed between adjacent two inner brackets, and between the side brackets and the adjacent inner brackets. Two strengthening member placement slots are formed inside the skeleton main body and are separated by a partition strip. Strengthening members are arranged in the strengthening member placement slots, and the outer walls of the strengthening members are closely attached to the inner walls of the strengthening member placement slots;

[0007] The electrical unit consists of an electrical unit main body. The electrical unit main body is arc-shaped, and the arc is the same as the arc between the corresponding adjacent two side brackets, and the radius is the same as the circle where the tops of the side brackets and the inner brackets are located. Two first clamping slots are formed on the outer surface of the electrical unit main body, and a plurality of conductive insertion strips are arranged on the inner surface. The conductive insertion strips are inserted into the second slots. A first slot is formed between adjacent two conductive insertion strips. The inner brackets are inserted into the first slots. The side brackets and the inner brackets are fixed to the conductive insertion strips by static friction;

[0008] The outer protective layer is composed of an outer protective layer main body. Two first clamping members are provided on the inner wall of the outer protective layer main body, and the first clamping members are clamped into the first clamping grooves. The number of the outer protective layers is the same as the number of electrical units.

[0009] For the above-mentioned plug-in cable, it is characterized in that a second clamping groove is formed at the bottom of the second slot formed by the non-edge brackets and the adjacent inner brackets between two adjacent edge brackets. A second clamping member corresponding to the second clamping groove is provided at the top of one of the conductive inserts, and the second clamping member is clamped into the second clamping groove.

[0010] For the above-mentioned plug-in cable, it is characterized in that all the electrical units are arranged in a circle, and all the outer protective layers are arranged in a circle.

[0011] For the above-mentioned plug-in cable, it is characterized in that the tops of all the edge brackets and inner brackets are located on the same circumference.

[0012] For the above-mentioned plug-in cable, it is characterized in that the two reinforcing member placement grooves are in the shape of a yin-yang fish.

[0013] In the above-mentioned plug-in cable, by clamping the second clamping member into the second clamping groove, the clamping firmness between the electrical unit and the skeleton is enhanced, preventing the electrical unit from detaching from the skeleton and causing a short circuit in the line.

[0014] For the above-mentioned plug-in cable, it is characterized in that the side wall surfaces of the edge brackets and inner brackets are rough surfaces, and the side wall surface of the conductive insert is a rough surface.

[0015] In the above-mentioned plug-in cable, by making the side wall surfaces of the edge brackets, inner brackets and conductive inserts rough surfaces, the clamping firmness between the electrical unit and the skeleton is further enhanced, preventing the electrical unit from detaching from the skeleton and causing a short circuit in the line.

[0016] For the above-mentioned plug-in cable, it is characterized in that the material of the outer protective layer is low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.

[0017] For the above-mentioned plug-in cable, it is characterized in that the material of the electrical unit is copper or aluminum.

[0018] For the above-mentioned plug-in cable, it is characterized in that the material of the skeleton is high-density polyethylene.

[0019] For the above-mentioned plug-in cable, it is characterized in that the material of the reinforcing member is phosphated steel wire or stainless steel wire or fiberglass rod.

[0020] During the construction of the present invention, the electrical unit can be separated from the skeleton without damaging the outer sheath of the cable to separate the internal electrical unit. During construction, the outer sheath only needs to be torn off with force, without using a special stripping tool, which is fast and convenient. When two sections of electrical units are connected, only a connecting device corresponding to the shape of the second slot needs to be used, which is convenient for connection and will not reduce the service life due to winding connection and conductor torsion at the joint of the electrical unit. At the same time, as long as the electrical unit is needed, the corresponding length of the electrical unit can be separated from the skeleton without wasting materials. When the electrical unit is damaged, only the damaged electrical unit needs to be separated and a new electrical unit can be replaced. The electrical unit can be added later, so that the length of the electrical unit can be customized without customizing the length of the whole cable, thus saving costs.

[0021] Therefore, the present invention has beneficial effects such as simple structure, convenient construction and maintenance, material saving, and long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic three-dimensional structure diagram of Embodiment 1 of the present invention.

[0023] Figure 2 It is a schematic structure diagram of the skeleton of Embodiment 1 of the present invention.

[0024] Figure 3 It is a schematic structure diagram of the electrical unit of Embodiment 1 of the present invention.

[0025] Figure 4 It is a schematic structure diagram of the outer sheath of Embodiment 1 or Embodiment 2 of the present invention.

[0026] Figure 5 It is a schematic structure diagram of the skeleton of Embodiment 2 of the present invention.

[0027] Figure 6 It is a schematic structure diagram of the electrical unit of Embodiment 2 of the present invention.

[0028] In the figure: 1. Outer sheath, 11. Outer sheath body, 12. First clamping member, 2. Electrical unit, 21. Electrical unit body, 22. First clamping groove, 23. Conductive insertion bar, 24. First slot, 25. Second clamping member, 3. Skeleton, 31. Side bracket, 32. Inner bracket, 33. Second slot, 34. Reinforcement member placement groove, 35. Isolation strip, 36. Second clamping groove, 37. Skeleton body, 4. Reinforcement member. DETAILED DESCRIPTION OF THE INVENTION

[0029] Embodiment 1

[0030] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4, A pluggable cable is composed of a plurality of outer sheaths 1, a plurality of electrical units 2, a skeleton, and two strengthening members 4. It is characterized in that the skeleton 3 consists of a skeleton main body 37 and a plurality of side brackets 31 distributed on the outer wall of the skeleton main body 37. A plurality of inner brackets 32 are distributed between adjacent two side brackets 31. Between adjacent two inner brackets 32, and between the side bracket 31 and the adjacent inner bracket 32, a second slot 33 is formed. Two strengthening member placement grooves 34 are formed in the skeleton main body 37. The two strengthening member placement grooves 34 are in the shape of a yin-yang fish and are separated by a partition strip 35. Strengthening members 4 are provided in the strengthening member placement grooves 34. The outer walls of the strengthening members 4 are closely attached to the inner walls of the strengthening member placement grooves 34. The tops of all the side brackets 31 and inner brackets 32 are located on the same circumference;

[0031] The electrical unit 2 is composed of an electrical unit main body 21. The electrical unit main body 21 is arc-shaped, and the arc is the same as the arc between the corresponding adjacent two side brackets 31. The radius is the same as the circle where the tops of the side brackets 31 and inner brackets 32 are located. Two first clamping grooves 22 are formed on the outer surface of the electrical unit main body 21. A plurality of conductive insertion strips 23 are provided on the inner surface. The conductive insertion strips 23 are inserted into the second slot 33. A first slot 24 is formed between adjacent two conductive insertion strips 23. The inner bracket 32 is inserted into the first slot 24. The side brackets 31 and inner brackets 32 and the conductive insertion strips 23 are fixed to each other by static friction. All the electrical units 2 are arranged to form a circle;

[0032] The outer sheath 1 is composed of an outer sheath main body 11. Two first clamping members 12 are provided on the inner wall of the outer sheath main body 11. The first clamping members 12 are clamped into the first clamping grooves 22. The number of the outer sheaths 1 is the same as the number of the electrical units 2. All the outer sheaths 1 are arranged to form a circle.

[0033] Embodiment 2

[0034] Please refer to Figure 4 、 Figure 5 and Figure 6 ,and refer to Figure 1, A plug-in cable is composed of a plurality of outer sheaths 1, a plurality of electrical units 2, a skeleton, and two reinforcing members 4. It is characterized in that the skeleton 3 consists of a skeleton main body 37 and a plurality of side brackets 31 distributed on the outer wall of the skeleton main body 37. A plurality of inner brackets 32 are distributed between adjacent two side brackets 31. Between adjacent two inner brackets 32, and between the side bracket 31 and the adjacent inner bracket 32, a second slot 33 is formed. At the bottom of the second slot 33 formed between the adjacent two side brackets 31 and not formed by the side bracket 31 and the adjacent inner bracket 32, a second clamping groove 36 is formed. Two reinforcing member placement grooves 34 are formed in the skeleton main body 37. The two reinforcing member placement grooves 34 are in the shape of a yin-yang fish and are separated by a partition strip 35. Reinforcing members 4 are provided in the reinforcing member placement grooves 34. The outer walls of the reinforcing members 4 are closely attached to the inner walls of the reinforcing member placement grooves 34. The tops of all the side brackets 31 and inner brackets 32 are located on the same circumference;

[0035] The electrical unit 2 is composed of an electrical unit main body 21. The electrical unit main body 21 is arc-shaped, and the radian is the same as that between the corresponding adjacent two side brackets 31. The radius is the same as the circle where the tops of the side brackets 31 and inner brackets 32 are located. Two first clamping grooves 22 are formed on the outer surface of the electrical unit main body 21. A plurality of conductive inserts 23 are provided on the inner surface. The conductive inserts 23 are inserted into the second slot 33. At the top of one of the conductive inserts 23, a second clamping member 25 corresponding to the second clamping groove 36 is provided. The second clamping member 25 is clamped into the second clamping groove 36. A first slot 24 is formed between the adjacent two conductive inserts 23. The inner bracket 32 is inserted into the first slot 24. The side brackets 31 and inner brackets 32 and the conductive inserts 23 are fixed to each other by static friction. All the electrical units 2 are arranged around a circle;

[0036] The outer sheath 1 is composed of an outer sheath main body 11. Two first clamping members 12 are provided on the inner wall of the outer sheath main body 11. The first clamping members 12 are clamped into the first clamping grooves 22. The number of the outer sheaths 1 is the same as the number of the electrical units 2. All the outer sheaths 1 are arranged around a circle.

[0037] In this embodiment, by clamping the second clamping member 25 into the second clamping groove 36, the clamping firmness between the electrical unit 2 and the skeleton 3 is enhanced, preventing the electrical unit 2 from detaching from the skeleton 3 and causing a short circuit in the circuit.

[0038] Embodiment 3

[0039] A plug-in cable is composed of multiple outer sheaths 1, multiple electrical units 2, a skeleton, and two reinforcing members 4. It is characterized in that the skeleton 3 consists of a skeleton body 37 and multiple side brackets 31 distributed on the outer wall of the skeleton body 37. Multiple inner brackets 32 are distributed between adjacent two side brackets 31. Between adjacent two inner brackets 32, and between the side bracket 31 and the adjacent inner bracket 32, a second slot 33 is formed. At the bottom of the second slot 33 formed between adjacent two side brackets 31 and not formed by the side bracket 31 and the adjacent inner bracket 32, a second clamping groove 36 is formed. Two reinforcing member placement grooves 34 are formed in the skeleton body 37. The two reinforcing member placement grooves 34 are in the shape of a yin-yang fish and are separated by a separation strip 35. A reinforcing member 4 is provided in the reinforcing member placement groove 34. The outer wall of the reinforcing member 4 is closely attached to the inner wall of the reinforcing member placement groove 34. The tops of all the side brackets 31 and inner brackets 32 are located on the same circumference. The side wall surfaces of the side brackets 31 and inner brackets 32 are rough surfaces;

[0040] The electrical unit 2 is composed of an electrical unit body 21. The electrical unit body 21 is arc-shaped, and the radian is the same as the radian between the corresponding adjacent two side brackets 31. The radius is the same as the circle where the tops of the side brackets 31 and inner brackets 32 are located. Two first clamping grooves 22 are formed on the outer surface of the electrical unit body 21. Multiple conductive inserts 23 are provided on the inner surface. The conductive inserts 23 are inserted into the second slot 33. A second clamping member 25 corresponding to the second clamping groove 36 is provided at the top of one of the conductive inserts 23. The second clamping member 25 is clamped into the second clamping groove 36. A first slot 24 is formed between adjacent two conductive inserts 23. The inner bracket 32 is inserted into the first slot 24. The side brackets 31 and inner brackets 32 and the conductive inserts 23 are fixed to each other by static friction. All the electrical units 2 are arranged around a circle. The side wall surface of the conductive insert 23 is a rough surface;

[0041] The outer sheath 1 is composed of an outer sheath body 11. Two first clamping members 12 are provided on the inner wall of the outer sheath body 11. The first clamping members 12 are clamped into the first clamping grooves 22. The number of the outer sheaths 1 is the same as the number of the electrical units 2. All the outer sheaths 1 are arranged around a circle.

[0042] In this embodiment, by making the side wall surfaces of the side brackets 31, inner brackets 32, and conductive inserts 23 rough surfaces, the clamping firmness between the electrical unit 2 and the skeleton 3 is further enhanced, preventing the electrical unit 2 from detaching from the skeleton 3 and causing a short circuit in the circuit.

[0043] For a plug-in cable described in any of the above embodiments, it is characterized in that the material of the outer sheath 1 is low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.

[0044] For a plug-in cable described in any of the above embodiments, it is characterized in that the material of the electrical unit 2 is copper or aluminum.

[0045] A plug-in cable according to any of the above embodiments, wherein the material of the skeleton 3 is high-density polyethylene.

[0046] A plug-in cable according to any of the above embodiments, wherein the material of the reinforcing member 4 is phosphated steel wire or stainless steel wire or fiberglass rod.

[0047] During the construction of the present invention, the electrical unit 2 can be separated from the skeleton 3 without damaging the cable outer sheath to separate the internal electrical unit. During construction, the outer sheath 1 only needs to be pulled off with force without using a special stripping tool, which is fast and convenient. When two electrical units 2 are connected, only a connecting device corresponding to the shape of the second slot 33 needs to be used, which is convenient for connection. At the same time, the service life will not be reduced due to the winding connection and conductor torsion at the joint of the electrical unit 2. At the same time, as long as the electrical unit 2 is needed, the corresponding length of the electrical unit 2 is separated from the skeleton 3 without wasting materials. When the electrical unit 2 is damaged, only the damaged electrical unit 2 needs to be separated and a new electrical unit 2 can be replaced. The electrical unit 2 can be added later, so that the length of the electrical unit 2 can be customized without customizing the length of the whole cable, thus saving costs.

[0048] The present invention solves the problem in the prior art that when taking out the internal electrical unit during construction, it is necessary to damage the insulating layer and other protective layers, resulting in low construction efficiency.

[0049] The above embodiments are only the preferred technical solutions of the present invention and should not be regarded as limitations on the present invention. The protection scope of the present invention should be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. A plug-in cable is composed of a plurality of outer sheaths (1), a plurality of electrical units (2), a skeleton, and two strengthening members (4), and is characterized in that The skeleton (3) is composed of a skeleton main body (37) and a plurality of side brackets (31) distributed on the outer wall of the skeleton main body (37). A plurality of inner brackets (32) are distributed between two adjacent side brackets (31). A second slot (33) is formed between two adjacent inner brackets (32), and between a side bracket (31) and an adjacent inner bracket (32). Two reinforcing member placement grooves (34) are formed in the skeleton main body (37) and are isolated by an isolation strip (35). A reinforcing member (4) is provided in the reinforcing member placement groove (34), and the outer wall of the reinforcing member (4) is in close contact with the inner wall of the reinforcing member placement groove (34). The electrical unit (2) is composed of an electrical unit main body (21). The electrical unit main body (21) is arc-shaped, and the arc is the same as the arc between two adjacent corresponding side brackets (31). The radius is the same as the circle where the tops of the side brackets (31) and the inner brackets (32) are located. Two first clamping grooves (22) are formed on the outer surface of the electrical unit main body (21). A plurality of conductive insertion strips (23) are provided on the inner surface. The conductive insertion strips (23) are inserted into the second slot (33). A first slot (24) is formed between two adjacent conductive insertion strips (23). The inner bracket (32) is inserted into the first slot (24). The side brackets (31) and the inner brackets (32) and the conductive insertion strips (23) are fixed to each other by static friction. The outer protective layer (1) is composed of an outer protective layer main body (11). Two first clamping members (12) are provided on the inner wall of the outer protective layer main body (11). The first clamping members (12) are clamped into the first clamping grooves (22). The number of the outer protective layers (1) is the same as the number of the electrical units (2). A second clamping groove (36) is formed at the bottom of the second slot (33) formed between two adjacent side brackets (31) and non-side brackets (31) and adjacent inner brackets (32). A second clamping member (25) corresponding to the second clamping groove (36) is provided at the top of one of the conductive insertion strips (23). The second clamping member (25) is clamped into the second clamping groove (36). All the electrical units (2) are arranged in a circle, and all the outer protective layers (1) are arranged in a circle.

2. The plug-in cable according to claim 1, characterized in that The tops of all the side brackets (31) and the inner brackets (32) are located on the same circumference.

3. The plug-in cable according to claim 2, wherein The two reinforcing member placement grooves (34) are in the shape of a yin-yang fish.

4. The plug-in cable according to claim 3, characterized in that The side wall surfaces of the side brackets (31) and the inner brackets (32) are rough surfaces, and the side wall surface of the conductive insertion strip (23) is a rough surface.

5. The plug-in cable according to claim 4, wherein The material of the outer protective layer (1) is low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.

6. The plug-in cable according to claim 5, characterized in that The material of the electrical unit (2) is copper or aluminum.

7. A plug-in cable according to claim 6, characterized in that The material of the skeleton (3) is high-density polyethylene.

8. A plug-in cable according to claim 7, wherein The material of the reinforcing member (4) is phosphated steel wire or stainless steel wire or fiberglass rod.

Images