Low-voltage cable convenient to install

Abstract

The low-voltage cable convenient to install comprises a base and a moving seat, two vertical supporting rods are arranged on the base, the lower ends of the supporting rods are connected with the base, the supporting rods penetrate through the moving seat and are connected with the moving seat in a sliding mode, a plurality of first arc-shaped clamping grooves are formed in the top end of the base, and a plurality of second arc-shaped clamping grooves are formed in the top end of the moving seat. The low-voltage cable body is located between the first arc-shaped clamping groove and the second arc-shaped clamping groove, the rotating shaft penetrates through the upper ends of the supporting rods and is rotationally connected with the supporting rods, two sections of external threads with opposite thread directions are arranged on the rotating shaft and located between the two supporting rods, and the moving block is in threaded connection with the external threads; and the other end of the connecting rod is hinged with the top end of the movable seat. By rotating the knob, the movable seat is far away from or close to the base, so that the cable can be mounted or dismounted, and the mounting efficiency of the cable is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cable installation, and in particular relates to a low-voltage cable which is easy to install. Background Art

[0002] Cable is a conductor covered with an insulating layer, a protective layer, a shielding layer, etc., used to transmit power or signal current or signal voltage. According to the voltage, it can be divided into high-voltage cables and low-voltage cables. Although low-voltage cable lines are more expensive and more difficult to lay and maintain than low-voltage overhead lines and low-voltage overhead insulated lines, they are widely used in low-voltage power distribution systems because they have the characteristics of reliable operation, no need to erect poles, no ground occupation, no obstruction of appearance, and less influence from the outside world. The existing low-voltage cable installation is installed in sections and fixed with bolts, which is cumbersome to operate and has low installation efficiency. Utility Model Content

[0003] Therefore, the utility model aims to solve the problem in the prior art that the cable is installed in sections and fixed with bolts, which results in cumbersome operation and low installation efficiency.

[0004] To this end, the technical solution adopted is that the utility model is a low-voltage cable that is easy to install, including: a base and a movable seat, the base is provided with two vertical support rods, the lower ends of the support rods are connected to the base, the support rods pass through the movable seat and are slidably connected to the movable seat, a plurality of first arc-shaped slots are provided at the top of the base, a plurality of second arc-shaped slots are provided at the top of the movable seat, the low-voltage cable body is located between the first arc-shaped slots and the second arc-shaped slots, the rotating shaft passes through the upper end of the support rod and is rotatably connected to the support rod, two sections of external threads with opposite thread directions are provided on the rotating shaft between the two support rods, the movable block is threadedly connected to the external thread, one end of the connecting rod is hinged to the bottom end of the movable block, and the other end of the connecting rod is hinged to the middle of the top of the movable seat.

[0005] Preferably, mounting plates are respectively provided at both ends of the base, and through holes are provided on the mounting plates.

[0006] Preferably, a shell is provided above the movable seat, and the upper end of the support rod extends into the shell and is connected to the top wall of the shell.

[0007] Preferably, one end of the rotating shaft extends into the shell and is rotatably connected to the inner wall of the shell, the other end of the rotating shaft extends out of the shell and is connected to the knob, and the rotating shaft is rotatably connected to the side wall of the shell.

[0008] Preferably, the knob is provided with anti-slip grooves.

[0009] Preferably, the top wall of the shell is provided with an opening, a cover plate is provided on the opening, one end of the cover plate is hinged to the shell, and the other end of the cover plate is connected to the shell by screws.

[0010] Preferably, the low-voltage cable body comprises: multiple cable cores and an insulating sleeve, the multiple cable cores are arranged in the insulating sleeve, the insulating sleeve is outermost provided with a high-temperature resistant sleeve, the high-temperature resistant sleeve is outermost provided with a flame retardant sleeve, the flame retardant sleeve is outermost provided with a heat insulating sleeve, and the heat insulating sleeve is outermost provided with a wear-resistant sleeve.

[0011] The technical solution of the utility model has the following advantages: the utility model is a low-voltage cable that is easy to install. By rotating the knob, the movable seat is moved away from or close to the base, so that the cable can be installed or removed, thereby improving the installation efficiency of the cable.

[0012] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures particularly pointed out in the written description and the drawings.

[0013] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] 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 of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of the housing in the utility model;

[0017] Figure 3 It is a top view of the utility model;

[0018] Figure 4 It is a schematic diagram of the internal structure of the medium and low voltage cable body of the utility model;

[0019] Among them, 1. base; 2. moving seat; 3. support rod; 4. first arc-shaped slot; 5. second arc-shaped slot; 6. low-voltage cable body; 7. rotating shaft; 8. external thread; 9. moving block; 10. connecting rod; 11. mounting plate; 12. through hole; 13. outer shell; 14. knob; 15. opening; 16. cover plate; 601. cable core; 602. insulating sleeve; 603. high temperature resistant sleeve; 604. flame retardant sleeve; 605. heat insulation sleeve; 606. wear-resistant sleeve. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0021] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it can be directly on the other component or indirectly on the other component. When a component is referred to as being "connected to" another component, it can be directly or indirectly connected to the other component.

[0022] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0024] The utility model provides a low-voltage cable which is easy to install. Figure 1-4 As shown, it includes: a base 1 and a moving seat 2, two vertical support rods 3 are arranged on the base 1, the lower ends of the support rods 3 are connected to the base 1, the support rods 3 pass through the moving seat 2, and are slidably connected to the moving seat 2, a plurality of first arc-shaped slots 4 are arranged on the top of the base 1, a plurality of second arc-shaped slots 5 are arranged on the top of the moving seat 2, a low-voltage cable body 6 is located between the first arc-shaped slots 4 and the second arc-shaped slots 5, a rotating shaft 7 passes through the upper ends of the support rods 3 and is rotatably connected to the support rods 3, two sections of external threads 8 with opposite thread directions are arranged on the rotating shaft 7 between the two support rods 3, a moving block 9 is threadedly connected to the external thread 8, one end of a connecting rod 10 is hinged to the bottom end of the moving block 9, and the other end of the connecting rod 10 is hinged to the middle of the top of the moving seat 2.

[0025] Mounting plates 11 are provided at both ends of the base 1, and through holes 12 are provided on the mounting plates 11, so that bolts can pass through the through holes 12 and be fixed at the mounting position. A housing 13 is provided above the movable seat 2, and the upper end of the support rod 3 extends into the housing 13 and is connected to the top wall of the housing 13, and the housing 13 plays a protective role. One end of the rotating shaft 7 extends into the housing 13 and is rotatably connected to the inner wall of the housing 13, and the other end of the rotating shaft 7 extends out of the housing 13 and is connected to the knob 14, and the rotating shaft 7 is rotatably connected to the side wall of the housing 13. The knob 14 is provided with anti-slip grooves to facilitate manual rotation of the rotating shaft 7. An opening 15 is provided on the top wall of the housing 13, and a cover plate 16 is provided on the opening 15. One end of the cover plate 16 is hinged to the housing 13, and the other end of the cover plate 16 is connected to the housing 13 by screws. The cover plate 16 is opened to repair the components in the housing 13.

[0026] The low-voltage cable body 6 includes: multiple cable cores 601 and an insulating sleeve 602. The multiple cable cores 601 are all arranged in the insulating sleeve 602. The insulating sleeve is made of cross-linked polyolefin. The insulating sleeve 602 is outer-coated with a high-temperature resistant sleeve 603. The high-temperature resistant sleeve is made of ceramic silicone rubber. The high-temperature resistant sleeve 603 is outer-coated with a flame retardant sleeve 604. The flame retardant sleeve is made of low-smoke halogen-free polyolefin. The flame retardant sleeve 604 is outer-coated with an insulating sleeve 605. The insulating sleeve is made of ceramic fiber. The insulating sleeve 605 is outer-coated with a wear-resistant sleeve 606. The wear-resistant sleeve is made of polytetrafluoroethylene.

[0027] The working principle of the above technical solution is as follows: place the mounting plate 11 at the mounting position, fix it by screwing it through the through hole 12, and then rotate the knob 14 to drive the rotating shaft 7 to rotate, so that the two moving blocks 9 are threadedly transmitted with the external thread 8, so that the two moving blocks 9 are close to each other, driving the two connecting rods 10 to swing toward each other, and the connecting rod 10 drives the moving seat 2 to move downward, and the first arc-shaped slot 4 and the second arc-shaped slot 5 are close to each other, and the low-voltage cable body 6 is pressed and fixed. When disassembly is required, rotate the knob 14 in the opposite direction to make the first arc-shaped slot 4 and the second arc-shaped slot 5 move away from each other, and the cable disassembly is completed, and the installation and disassembly efficiency is high.

[0028] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A low-voltage cable that is easy to install, characterized in that: include: The invention relates to a base (1) and a movable seat (2). The base (1) is provided with two vertical support rods (3). The lower ends of the support rods (3) are connected to the base (1). The support rods (3) pass through the movable seat (2) and are slidably connected to the movable seat (2). The top of the base (1) is provided with a plurality of first arc-shaped card slots (4). The top of the movable seat (2) is provided with a plurality of second arc-shaped card slots (5). The low-voltage cable body (6) is located between the first arc-shaped card slots (4) and the second arc-shaped card slots (5). The rotating shaft (7) passes through the upper ends of the support rods (3) and is rotatably connected to the support rods (3). Two sections of external threads (8) with opposite thread directions are provided on the rotating shaft (7) between the two support rods (3). The movable block (9) is threadedly connected to the external threads (8). One end of the connecting rod (10) is hinged to the bottom end of the movable block (9), and the other end of the connecting rod (10) is hinged to the middle of the top end of the movable seat (2).

2. A low-voltage cable that is easy to install according to claim 1, characterized in that: Mounting plates (11) are respectively provided at both ends of the base (1), and through holes (12) are provided on the mounting plates (11).

3. A low-voltage cable that is easy to install according to claim 1, characterized in that: A shell (13) is arranged above the movable seat (2), and the upper end of the support rod (3) extends into the shell (13) and is connected to the top wall of the shell (13).

4. A low-voltage cable that is easy to install according to claim 3, characterized in that: One end of the rotating shaft (7) extends into the housing (13) and is rotatably connected to the inner wall of the housing (13), and the other end of the rotating shaft (7) extends out of the housing (13) and is connected to the knob (14), and the rotating shaft (7) is rotatably connected to the side wall of the housing (13).

5. A low-voltage cable that is easy to install according to claim 4, characterized in that: The knob (14) is provided with anti-slip grooves.

6. A low-voltage cable that is easy to install according to claim 3, characterized in that: The top wall of the housing (13) is provided with an opening (15), and a cover plate (16) is provided on the opening (15). One end of the cover plate (16) is hinged to the housing (13), and the other end of the cover plate (16) is connected to the housing (13) by means of screws.

7. A low-voltage cable that is easy to install according to claim 1, characterized in that: The low-voltage cable body (6) comprises: a plurality of cable cores (601) and an insulating sleeve (602), wherein the plurality of cable cores (601) are arranged in the insulating sleeve (602), the insulating sleeve (602) is provided with a high-temperature resistant sleeve (603) on its outer surface, the high-temperature resistant sleeve (603) is provided with a flame-retardant sleeve (604) on its outer surface, the flame-retardant sleeve (604) is provided with a heat-insulating sleeve (605) on its outer surface, and the heat-insulating sleeve (605) is provided with a wear-resistant sleeve (606) on its outer surface.

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