Low-voltage aluminum core cable convenient for butt joint

Abstract

The utility model discloses a low voltage aluminum core cable convenient for butt joint, the inner side of an outer protection layer is provided with an inner metal layer, the inner metal layer tightly sleeves the outer side of a shielding inner layer in a wrapping manner, and the inner side of the shielding inner layer is sleeved with a cable aluminum core. The end portion of the cable aluminum core is connected to the inner side of the cable core connecting end seat in a squeezing-in and fixing mode, and the cable core connecting end seat is connected with the end portion of the shielding inner layer. A limiting clamping groove is formed in the edge portion of the connecting plug, an elastic supporting arc rod and a limiting clamping seat are arranged on the inner side of the bearing head, and the end portion of the cable aluminum core is connected to the inner side of the cable core connecting end seat in a squeezing-in and fixing mode. When a connecting plug is inserted into a bearing head, a limiting clamping seat can be quickly clamped into the inner side of a limiting clamping groove by utilizing extrusion deformation of an elastic supporting arc rod, so that the connecting plug and the bearing head are quickly clamped and fixed, and the stability of wire core connecting end seats at the two ends of a cable after counterpoint connection is ensured; the connection convenience is improved, and quick connection of the cable is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of low-voltage cables, in particular to a low-voltage aluminum core cable which is easy to connect. Background Art

[0002] Cable is a conductor covered with an insulation layer, protective layer, shielding layer, etc. used to transmit power or signal current or signal voltage. It can be divided into high-voltage cables and low-voltage cables according to voltage. The current low-voltage cable consists of three parts: core, insulation layer and protective layer. The core is used to conduct current and is generally made of multiple strands of copper wire or multiple strands of aluminum wire twisted together. Low-voltage cables are available in single-core, double-core, triple-core, quad-core and other types.

[0003] However, during the current cable laying and connection process, the cable ends lack a docking structure, which makes it very troublesome to quickly dock the cable ends when they need to be connected, reducing the convenience of cable connection and affecting the connection efficiency of the cable laying process. Utility Model Content

[0004] The utility model provides a low-voltage aluminum core cable that is easy to connect, which can effectively solve the problem raised in the above background technology that during the laying and connection process of the current cables, the cable ends lack a docking structure, which makes it very troublesome to quickly connect the cable ends, reduces the convenience of cable connection, and affects the connection efficiency of the cable laying process.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a low-voltage aluminum core cable that is easy to connect, comprising an outer protective layer, an inner metal layer is provided on the inner side of the outer protective layer, the inner metal layer is tightly sleeved on the outer side of the shielding inner layer in a covering manner, the inner side of the shielding inner layer is sleeved with a cable aluminum core, the end of the cable aluminum core is connected to the inner side of the wire core connection end seat in a squeeze-in fixed manner, and the wire core connection end seat is connected to the end of the shielding inner layer,

[0006] The end of the core connection end seat at one end of the cable aluminum core is connected to a plug connector, and the end of the core connection end seat at the other end of the cable aluminum core is connected to a socket connector. The inner side of the socket connector is provided with a contact ring groove, and the end of the plug connector is connected to a contact head corresponding to the contact ring groove;

[0007] Four limit snap-in grooves are provided at equal angles on the edge of the plug connector, and elastic support arc rods are connected at equal angles at the inner edge of the socket connector corresponding to the limit snap-in grooves. The inner side of the end of the elastic support arc rod is fixedly connected to the limit socket, and a connecting pull rod is connected to the edge of the elastic support arc rod corresponding to the limit socket. The edge of the outer protective layer is connected to an outer telescopic shielding sleeve at the outer position of the plug connector and the socket connector.

[0008] Preferably, after the plug connector is fully inserted into the socket connector, the limit clamping seat at the edge of the socket connector is tightly inserted into the limit clamping groove, and the edges of the elastic support arc rod and the limit clamping seat are both provided with smooth chamfers.

[0009] Preferably, a guide hole is provided on the edge of the socket joint corresponding to the connecting rod, the connecting rod is located in the guide hole for guiding and sliding, and a limit seat is provided at the end of the connecting rod.

[0010] Preferably, the outer telescopic shielding sleeve is telescopic, and the outer telescopic shielding sleeve is tightly sleeved on the outer sides of the plug connector and the socket connector by stretching.

[0011] Preferably, the edge of the inner metal layer is connected to the outer side plate at the same angle as the plug connector, and the edge of the inner metal layer is connected to the inner side plate at the same angle as the socket connector;

[0012] The positions of the connecting outer side plate and the connecting inner side plate correspond to each other, and the edge of the connecting outer side plate is connected to a limiting bolt through a thread, and a connecting bolt hole is opened inside the connecting inner side plate.

[0013] Preferably, the inner side surface of the connecting outer side plate is tightly fitted with the outer side surface of the connecting inner side plate, and after the connecting outer side plate and the connecting inner side plate are fitted and connected, the position of the limit bolt corresponds to the position of the connecting bolt hole.

[0014] Compared with the existing technology, the beneficial effects of the present invention are as follows: the present invention has a scientific and reasonable structure and is safe and convenient to use:

[0015] 1. The aluminum core of the cable is fixedly connected through the core connection end seat, and a plug connector and a socket connector are respectively provided at the ends of the core connection end seats at both ends of the cable, so as to cooperate with the contact head and the contact ring groove to facilitate the quick alignment connection of the cable ends when the cables are connected, and ensure the conductivity of the cables after connection. At the same time, the limit clamping groove opened on the edge of the plug connector and the elastic support arc rod and the limit clamping seat provided on the inner side of the socket head can be used to squeeze and deform the elastic support arc rod when the plug connector is inserted into the socket head, so that the limit clamping seat can be quickly clamped into the inner side of the limit clamping groove, thereby realizing the rapid clamping and fixing of the plug connector and the socket head, ensuring the stability of the core connection end seats at both ends of the cable after alignment connection, improving the convenience of connection, and facilitating the quick connection of the cable.

[0016] In addition, the connecting rod that is guided by the sliding connection on the edge of the socket head makes it convenient to move the elastic supporting arc rod by pulling the connecting rod, so that when the plug head and the socket head are disassembled, the limit clamping seat can be quickly withdrawn from the limit clamping groove by pulling the connecting rod, thereby facilitating the release of the limit relationship between the plug head and the socket head, facilitating quick disconnection, and convenient operation.

[0017] 2. By arranging staggered connecting outer plates and connecting inner plates at the two side ends of the inner metal layer, when the cable ends are docked, the inner side surfaces of the corresponding connecting outer plates can fit tightly with the outer side surfaces of the connecting inner plates. In combination with the limit bolts and the connecting bolt holes, after the connecting outer plates and the connecting inner plates fit tightly, they can be further locked and fixed therebetween, thereby further ensuring the stability of the cable after connection and improving the overall connection strength between the cable ends. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0019] In the attached figure:

[0020] Figure 1 It is a structural diagram of the utility model;

[0021] Figure 2 It is a cross-sectional view of the present utility model;

[0022] Figure 3 This is a schematic structural diagram of the plug connector of the utility model;

[0023] Figure 4 It is a structural diagram of the socket joint of the utility model;

[0024] Numbers in the figure: 1. Outer protective layer; 2. Inner metal layer; 3. Inner shielding layer; 4. Cable aluminum core; 5. Wire core connection terminal; 6. Plug connector; 7. Socket connector; 8. Limiting card slot; 9. Contact ring groove; 10. Elastic support arc rod; 11. Limiting card seat; 12. Connecting pull rod; 13. Contact head; 14. Outer telescopic shielding sleeve; 15. Connecting outer plate; 16. Connecting inner plate; 17. Limiting bolt; 18. Connecting bolt hole. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not used to limit the present invention.

[0026] Example: Figure 1-4 As shown, the utility model provides a technical solution, a low-voltage aluminum core cable that is easy to connect, including an outer protective layer 1, an inner metal layer 2 is provided on the inner side of the outer protective layer 1, the inner metal layer 2 is tightly sleeved on the outer side of the shielding inner layer 3 in a covering manner, the inner side of the shielding inner layer 3 is sleeved with a cable aluminum core 4, the end of the cable aluminum core 4 is connected to the inner side of the core connection terminal seat 5 in a squeeze-in fixed manner, and the core connection terminal seat 5 is connected to the end of the shielding inner layer 3.

[0027] The end of the core connection terminal seat 5 at one end of the cable aluminum core 4 is connected to a plug connector 6, and the end of the core connection terminal seat 5 at the other end of the cable aluminum core 4 is connected to a socket connector 7. The inner side of the socket connector 7 is provided with a contact ring groove 9, and the end of the plug connector 6 is connected to a contact head 13 corresponding to the contact ring groove 9;

[0028] Four limiting card slots 8 are provided at equal angles on the side ends of the plug connector 6, and an elastic supporting arc rod 10 is connected at equal angles to the limiting card slots 8 at the inner side ends of the socket connector 7. The inner side of the end of the elastic supporting arc rod 10 is fixedly connected to the limiting card seat 11. After the plug connector 6 is fully inserted into the socket connector 7, the limiting card seat 11 at the side end of the socket connector 7 is tightly snapped into the limiting card slot 8. The edges of the elastic supporting arc rod 10 and the limiting card seat 11 are provided with smooth chamfers, which can realize rapid card connection and fixation of the plug connector 6 and the socket connector 7, ensuring the stability of the core connection end seats 5 at both ends of the cable after alignment connection. The edge of the elastic supporting arc rod 10 is connected to the connecting rod 12 corresponding to the limiting card seat 11, and the edge of the socket connector 7 is aligned with the A guide hole should be opened at the connecting rod 12, and the connecting rod 12 is located in the guide hole for guiding sliding, and a limit seat is provided at the end of the connecting rod 12 to facilitate the sliding of the connecting rod 12 on the edge of the socket joint 7. At the same time, it is convenient to pull the connecting rod 12 to drive the elastic support arc rod 10 and the limit seat 11 to move. The edge end of the outer protective layer 1 is connected to the outer position of the plug joint 6 and the socket joint 7 corresponding to the outer side of the plug joint 6 and the socket joint 7. The outer telescopic shielding sleeve 14 can be telescopic, and the outer telescopic shielding sleeve 14 is tightly connected to the outer side of the plug joint 6 and the socket joint 7 by stretching, so that the outer telescopic shielding sleeve 14 can shield and cover the connection position of the plug joint 6 and the socket joint 7 through the expansion and contraction of the outer telescopic shielding sleeve 14.

[0029] The edge of the inner metal layer 2 is connected to the outer side plate 15 at the same angle as the plug connector 6, and the edge of the inner metal layer 2 is connected to the inner side plate 16 at the same angle as the socket connector 7. The inner side surface of the outer side plate 15 is tightly fitted with the outer side surface of the inner side plate 16. After the outer side plate 15 and the inner side plate 16 are fitted together, the position of the limit bolt 17 corresponds to the position of the connection bolt hole 18, further ensuring the stability of the cable after connection and improving the overall connection strength between the ends of the cable.

[0030] The positions of the connecting outer plate 15 and the connecting inner plate 16 correspond to each other, and the edge of the connecting outer plate 15 is connected to a limit bolt 17 through a thread, and a connecting bolt hole 18 is opened inside the connecting inner plate 16.

[0031] The working principle and use process of the utility model: in the actual connection application process of the low-voltage aluminum core cable that is easy to connect, the outer protective layer 1, the inner metal layer 2, and the shielding inner layer 3 can protect the inside and outside of the cable, thereby improving the overall strength of the cable. When the cable needs to be connected, the core wire of the cable aluminum core 4 needs to be fixed on the inner side of the core connection terminal seat 5 in an extruded manner, and the end portions of the core connection terminal seats 5 at both ends of the cable are respectively provided with plug connectors 6 and socket connectors 7, so as to cooperate with the contact head 13 and the contact ring groove 9 to facilitate the quick alignment connection of the cable ends when the cables are connected, thereby ensuring the conductivity of the cables after connection.

[0032] In the connection process, the limit clamping groove 8 opened on the edge of the plug connector 6 and the elastic support arc rod 10 and the limit clamping seat 11 provided on the inner side of the socket connector 7 can be used. When the plug connector 6 is inserted into the socket connector 7, the elastic support arc rod 10 is squeezed and deformed, so that the limit clamping seat 11 can be quickly clamped into the inner side of the limit clamping groove 8, thereby realizing the rapid clamping and fixing of the plug connector 6 and the socket connector 7, ensuring the stability of the core connection end seats 5 at both ends of the cable after alignment and connection, improving the convenience of connection, and facilitating the rapid connection of the cable.

[0033] On the basis of the limited engagement of the limit clamping seat 11 and the limit clamping groove 8, when the two core connection end seats 5 are connected, the inner side surface of the connection outer plate 15 at the edge of the inner metal layer 2 can be tightly fitted with the outer side surface of the connection inner plate 16, so that when the cable ends are docked, the corresponding connection outer plate 15 and the connection inner plate 16 are fit together, and then with the help of the limit bolt 17 and the connection bolt hole 18, after the connection outer plate 15 and the connection inner plate 16 are tightly fitted, they can be further locked and fixed therebetween, thereby further ensuring the stability of the cable after connection;

[0034] Finally, after the core connection end seats 5 at the two cable ends are limitedly engaged by the limit clamping seat 11 and the limit clamping groove 8, and the limit bolt 17 and the connection bolt hole 18 are fixed in position, the outer telescopic shielding sleeve 14 connected to the edge of the outer protective layer 1 is stretched, so that the connection position of the plug connector 6 and the socket connector 7, and the connection position of the outer plate 15 and the inner plate 16 are shielded and covered by the expansion and contraction of the outer telescopic shielding sleeve 14, thereby improving the airtightness of the cable end docking position and improving the protection capability of the connection;

[0035] In addition, when the cable end connection position needs to be disassembled, the connecting pull rod 12 that is guided by the sliding connection on the edge of the socket head 7 is used to conveniently drive the elastic support arc rod 10 to move by pulling the connecting pull rod 12, so that when disassembling between the plug connector 6 and the socket head 7, the limiting clamping seat 11 can be quickly withdrawn from the limiting clamping groove 8 by pulling the connecting pull rod 12, thereby facilitating the release of the limiting relationship between the plug connector 6 and the socket head 7, facilitating quick disconnection, and convenient operation.

[0036] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A low-voltage aluminum core cable that is easy to connect, comprising an outer protective layer (1), characterized in that: An inner metal layer (2) is provided on the inner side of the outer protective layer (1), and the inner metal layer (2) is tightly sleeved on the outer side of the shielding inner layer (3) in a covering manner. A cable aluminum core (4) is sleeved on the inner side of the shielding inner layer (3), and the end of the cable aluminum core (4) is connected to the inner side of the wire core connection end seat (5) in a squeeze-in fixed manner. The wire core connection end seat (5) is connected to the end of the shielding inner layer (3). The end of the core connection end seat (5) located at one end of the cable aluminum core (4) is connected to a plug connector (6), and the end of the core connection end seat (5) located at the other end of the cable aluminum core (4) is connected to a socket connector (7), the inner side edge of the socket connector (7) is provided with a contact ring groove (9), and the end of the plug connector (6) is connected to a contact head (13) corresponding to the contact ring groove (9); Four limiting snap-in grooves (8) are provided at equal angles on the side ends of the plug connector (6), and an elastic supporting arc rod (10) is connected at equal angles to the inner side ends of the socket connector (7) corresponding to the limiting snap-in grooves (8). The inner side of the end of the elastic supporting arc rod (10) is fixedly connected to a limiting snap-in seat (11), and a connecting pull rod (12) is connected to the side of the elastic supporting arc rod (10) corresponding to the limiting snap-in seat (11). The side ends of the outer protective layer (1) are connected to an outer telescopic shielding sleeve (14) corresponding to the outer side positions of the plug connector (6) and the socket connector (7).

2. The low-voltage aluminum core cable that is easy to connect according to claim 1, characterized in that: After the plug connector (6) is fully inserted into the socket connector (7), the limiting clamping seat (11) at the edge of the socket connector (7) is tightly clamped into the limiting clamping groove (8), and the edges of the elastic supporting arc rod (10) and the limiting clamping seat (11) are both provided with smooth chamfers.

3. The low-voltage aluminum core cable that is easy to connect according to claim 1, characterized in that: A guide hole is provided on the edge of the socket (7) corresponding to the connecting rod (12), the connecting rod (12) is located in the guide hole for guiding and sliding, and a limit seat is provided at the end of the connecting rod (12).

4. The low-voltage aluminum core cable that is easy to connect according to claim 1, characterized in that: The outer telescopic shielding sleeve (14) can be telescopic, and the outer telescopic shielding sleeve (14) is tightly sleeved on the outer sides of the plug connector (6) and the socket connector (7) by stretching.

5. The low-voltage aluminum core cable that is easy to connect according to claim 1, characterized in that: The edge of the inner metal layer (2) is connected to the plug connector (6) at the same side with an outer connecting plate (15) at an equal angle, and the edge of the inner metal layer (2) is connected to the socket connector (7) at the same side with an inner connecting plate (16) at an equal angle; The positions of the connecting outer plate (15) and the connecting inner plate (16) correspond to each other, and the edge of the connecting outer plate (15) is connected to a limit bolt (17) through a thread, and a connecting bolt hole (18) is opened inside the connecting inner plate (16).

6. The low-voltage aluminum core cable that is easy to connect according to claim 5, characterized in that: The inner side surface of the connecting outer side plate (15) is tightly fitted with the outer side surface of the connecting inner side plate (16), and after the connecting outer side plate (15) and the connecting inner side plate (16) are fitted and connected, the position of the limit bolt (17) corresponds to the position of the connecting bolt hole (18).

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