Line splitter

Abstract

The utility model discloses a line splitter, which belongs to the field of power transmission equipment, and comprises a top cover, a base, a plurality of bus inlets, a bus branching part and a plurality of branch wiring mechanisms, the bus tapping part comprises a plurality of tapping assemblies; the tapping assembly at least comprises a first conductive substrate; a first conductive part is formed at the right end of the first conductive substrate; the first conductive part exceeds the bus tapping part and is fixedly arranged on the base; the cable troughs, the tapping assemblies and the branch wiring mechanisms are in one-to-one correspondence; the branch wiring mechanism is detachably connected with the base; the branch wiring mechanism at least comprises a second conductive substrate and a crimping assembly, wherein the second conductive substrate is used for direct or indirect contact conduction with the first conductive part. And the crimping assembly is used for compressing or loosening the branching cable passing through the cable trough corresponding to the branch wiring mechanism. According to the utility model, the burnt part can be independently replaced, the replacement and operation and maintenance cost is greatly reduced, and the service life of the line splitter is prolonged.

Description

Technical Field

[0001] This utility model belongs to the field of power transmission equipment, and specifically relates to a line branch. Background Technology

[0002] With the continuous development of urban construction and the increasing number of high-rise buildings, higher demands are being placed on the supply and distribution of electricity. In building electrical systems, it is often necessary to distribute the power from the power supply bus to each floor, thus requiring the use of line branchers to transmit the bus power to the branch cables on each floor.

[0003] When in use, line branch switches connect multiple branch cables simultaneously and are crimped together using crimping components. However, typical line branch switches suffer from small contact areas, poor versatility, and loose crimping at the branch connection points, leading to poor contact and affecting the stability of power transmission during actual use.

[0004] A utility model patent with application number 200720114293.1 discloses a power line branching device. By improving the overall structure of the branching device, reducing resistance, and increasing the contact area, it reduces the risk of joint burnout at the branch line positioning holes. However, even with these structural improvements, joint burnout remains a frequent problem in practical applications. This is mainly due to unprofessional, non-standard, or negligent operation by installers during crimping, rather than structural design flaws in the branching device itself. The patented power line branching device uses an integrated design, meaning that if one joint burns out, even if other parts function normally, the entire branching device must be replaced. While the price of a single power line branching device typically ranges from several hundred to several thousand yuan, seemingly low, its wide application and large demand make the actual operation and maintenance costs of power systems difficult to ignore. Furthermore, manufacturers of branching devices are often motivated to improve their products due to sales volume and profit margins, resulting in a lack of branching devices on the market that can solve this problem. Therefore, there is an urgent need for a branching device that can address these issues. Utility Model Content

[0005] The purpose of this utility model is to provide a line splitter that addresses the aforementioned shortcomings, thereby solving the problem that current line splitters require replacement of the entire unit if even one connector burns out, resulting in high replacement costs. To achieve the above objective, this utility model provides the following technical solution:

[0006] A line branch unit includes a top cover, a base, and multiple busbar inlets. The base has at least two cable trays arranged parallel to each other and spaced apart along its length. It also includes a busbar tapping section and several branch connection mechanisms. The busbar tapping section is located on the left side of the base and includes multiple tapping assemblies corresponding one-to-one with the busbar inlets. Each tapping assembly includes at least a first conductive base for transmitting busbar power to the tapping cable. A first conductive portion is formed at the right end of the first conductive base. The first conductive portion extends beyond the busbar tapping section and is fixed to the base. The cable trays, tapping assemblies, and branch connection mechanisms correspond one-to-one. Each branch connection mechanism is detachably connected to the base. Each branch connection mechanism includes at least a second conductive base for direct or indirect contact with the first conductive portion and a crimping assembly. The crimping assembly is used to press or release the tapping cable passing through the cable tray corresponding to the branch connection mechanism.

[0007] Furthermore, the branch connection mechanism also includes a tap base; the tap base is slidably connected to the base; the second conductive substrate is fixed on the top of the tap base; the top of the tap base also has a groove that matches the shape and position of the corresponding cable groove; the right side of the second conductive substrate forms an arc-shaped recess corresponding to the groove; the left end of the second conductive substrate extends horizontally to the left for direct or indirect contact with the corresponding first conductive part.

[0008] Furthermore, the top of the first conductive part has a first conductive contact surface that is flush with and exposed to the top surface of the base; the bottom of the left end of the second conductive base has a second conductive contact surface for covering the first conductive contact surface; it also includes a conductive connector; the left end of the second conductive base is fixed to the top of the first conductive part through the conductive connector to press the first conductive contact surface and the second conductive contact surface together.

[0009] Furthermore, it also includes conductive connectors and several third conductive substrates; each third conductive substrate corresponds to a first conductive substrate and is detachably disposed above the corresponding first conductive portion; the bottom surface of the third conductive substrate is in contact with the first conductive contact surface at the top of the first conductive portion; the top surface of the third conductive substrate is flush with and exposed to the top surface of the substrate; the bottom of the left end of the second conductive substrate has a second conductive contact surface for covering the top surface of the third conductive substrate; the left end of the second conductive substrate is fixed to the top of the third conductive substrate through conductive connectors to press the top surface of the third conductive substrate and the second conductive contact surface together.

[0010] Furthermore, the base is provided with a bottom plate; the bottom plate is provided with a number of slide rails extending in the front-back direction, and two adjacent slide rails are alternately arranged on the front and back sides of the base; the bottom of the tapping base is provided with a slider that matches the shape of the slide rail; the slider corresponds one-to-one with the slide rail; a number of branch wiring mechanisms are slidably and alternately connected to the front or rear side of the base.

[0011] Furthermore, the crimping assembly includes a clamping bolt and a pressure plate; the branch connection mechanism is vertically provided with a screw hole that penetrates the second conductive substrate and extends downward into the tap base; the clamping bolt is movably installed above the second conductive substrate through the screw hole; the pressure plate is sleeved on the screw portion of the clamping bolt.

[0012] Furthermore, the busbar tap section also includes a tap outer shell and several tap inner shells; the tap inner shells are located inside the tap outer shell and communicate with the tap outer shell; each busbar inlet corresponds to a tap inner shell position; each tap assembly also includes two conductive bolts; the upper end of the conductive bolts extends beyond the tap outer shell, and the lower end extends into the corresponding tap inner shell; the front end of the first conductive base is disposed inside the tap inner shell, and the bottom of the two conductive bolts are simultaneously pressed against the top surface of the left end of the first conductive base.

[0013] Furthermore, a push-pull plate is also provided on the front wall of the tap base.

[0014] Furthermore, the tap base is provided with insulating components on both the front and rear sides of the left end of the second conductive substrate.

[0015] Furthermore, there are two or four cable troughs.

[0016] The beneficial effects of this utility model are:

[0017] 1. This utility model utilizes a detachable branch connection mechanism, which allows for the individual disassembly and replacement of the burned-out part of the line branch connector when the connector of the line branch is burned out, without having to discard the entire line branch. This significantly reduces the replacement cost of the line branch, extends its service life, and ultimately greatly reduces the operation and maintenance expenses of the power system, making it economical and practical. Attached Figure Description

[0018] Figure 1 This is a partial structural cross-sectional view of one embodiment of the present invention;

[0019] Figure 2 This is a utility model Figure 1 Enlarged view of the structure at point A in the middle;

[0020] Figure 3 This is a partial structural cross-sectional view of another embodiment of the present invention;

[0021] Figure 4 This is a utility model Figure 3 Enlarged view of the structure at point B;

[0022] Figure 5 This is a schematic diagram of the branch wiring mechanism of this utility model; the crimping assembly is not shown.

[0023] In the attached diagram: 1. Top cover; 2. Base; 3. Busbar inlet; 4. Cable trough; 5. Busbar tap section; 6. Branch connection mechanism; 7. Conductive connector; 21. Base plate; 51. First conductive base; 52. Third conductive base; 53. Tap outer shell; 54. Tap inner shell; 55. Conductive bolt; 61. Second conductive base; 62. Crimping assembly; 63. Tap base; 64. Screw hole; 211. Slide rail; 511. First conductive part; 611. Arc-shaped recess; 621. Clamping bolt; 622. Pressure plate; 631. Slider; 632. Push-pull plate; 633. Insulating component. Detailed Implementation

[0024] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to 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 of this utility model.

[0025] In the description of this utility model, "first feature" and "second feature" may include one or more of the features.

[0026] In the description of this utility model, "multiple" means two or more.

[0027] In the description of this utility model, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or it may include the first and second features not being in direct contact but being in contact through another feature between them.

[0028] In the description of this utility model, the terms "above", "over" and "on top" for the first feature and the second feature include the first feature being directly above or diagonally above the second feature, or simply indicate that the first feature is at a higher horizontal level than the second feature.

[0029] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," and "some examples" indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0030] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments, but the present invention is not limited to the following embodiments.

[0031] Example 1:

[0032] See attached Figures 1-2A line branching device includes a top cover 1, a base 2, and multiple busbar inlets 3. The base 2 has at least two cable troughs 4 arranged parallel to each other and spaced apart along its length. It also includes a busbar tapping section 5 and several branch connection mechanisms 6. The busbar tapping section 5 is located on the left side of the base 2 and includes multiple tapping assemblies corresponding one-to-one with the busbar inlets 3. Each tapping assembly includes at least a first conductive base 51 for transmitting busbar power to the tapping cable. A first conductive portion 511 is formed at the right end of the first conductive base 51. The first conductive portion 511 extends beyond the busbar tapping section 5 and is fixed to the base 2. The cable troughs 4, tapping assemblies, and branch connection mechanisms 6 correspond one-to-one. The branch connection mechanism 6 is detachably connected to the base 2. Each branch connection mechanism 6 includes at least a second conductive base 61 for direct or indirect contact with the first conductive portion 511 and a crimping assembly 62. The crimping assembly 62 is used to press or release the tapping cable passing through the cable trough 4 corresponding to the branch connection mechanism 6. As can be seen from the above structure, the top cover 1 is used to cover the base 2, so that the top cover 1 and the base 2 form a relatively sealed space to prevent foreign objects from entering and causing short circuits in the line branch. The top cover 1 can be made of flame-retardant material. The base 2 serves as the base for the integrated cable trough 4, busbar tap section 5, and branch connection mechanism 6. The busbar is connected to the busbar tap section 5 through the busbar inlet 3, and then the branch connection mechanism 6, which is electrically connected to the busbar tap section 5, supplies power to the tapped cable. At least two cable troughs 4 are arranged parallel to each other and spaced apart along the length of the base 2. The busbar tap section 5 is located on the left side of the base 2 and includes multiple tapping components. Each tapping component corresponds to a busbar inlet 3 and includes at least a first conductive base 51. The first conductive base 51 is used to transfer the busbar power to the tapped cable connected to the corresponding branch connection mechanism 6. A first conductive portion 511 is formed at the right end of the first conductive base 51. The first conductive portion 511 extends beyond the busbar tap portion 5 and is fixed on the base 2 to make direct or indirect contact with the second conductive base 61 on the branch connection mechanism 6. The branch connection mechanism 6 includes at least the second conductive base 61 and the crimping assembly 62. The second conductive base 61 is used to make direct or indirect contact with the first conductive portion 511 to conduct electricity, so that the power of the busbar can be transmitted to the corresponding branch connection mechanism 6 through the second conductive base 61. The crimping assembly 62 is used to press or release the tap cable passing through the cable tray 4 corresponding to the branch connection mechanism 6 to complete the tapping operation. Several branch connection mechanisms 6 are detachably connected to the base 2. Therefore, if the joint part corresponding to a cable tray 4, that is, the part where the crimping assembly 62 is located, is burned or damaged, it is not necessary to discard the entire line branch; only the corresponding branch connection mechanism 6 needs to be disassembled and replaced. Since the replacement cost of a single branch connection mechanism 6 is much lower than the cost of replacing the entire line branch unit, and the line branch unit can be reused, this utility model can significantly reduce the replacement cost of the line branch unit, extend the service life of the line branch unit, and ultimately significantly reduce the operation and maintenance expenses of the power system.

[0033] Example 2:

[0034] See attached Figures 1-2 Based on Embodiment 1, the branch connection mechanism 6 further includes a tap base 63; the tap base 63 is slidably connected to the base 2; the second conductive base 61 is fixedly disposed on the top of the tap base 63; the top of the tap base 63 also has a groove that matches the shape and position of the corresponding cable groove 4; the right side of the second conductive base 61 forms an arc-shaped recess 611 corresponding to the groove; the left end of the second conductive base 61 extends horizontally to the left and is used for direct or indirect contact conduction with the corresponding first conductive part 511. From the above structure, it can be seen that the second conductive base 61 is fixedly disposed on the top of the tap base 63 and has an arc-shaped recess 611 corresponding to the groove on the top of the tap base 63. When the branch connection mechanism 6 is slidably connected to the base 2 through the tap base 63 at the corresponding part, the groove is aligned with the corresponding cable groove 4 and matches its shape. The left end of the second conductive base 61 extends horizontally to the left and is used for direct or indirect contact conduction with the corresponding first conductive part 511. When the tap cable needs to be installed in a cable groove 4 on the base 2, the tap cable will pass through the cable groove 4, the groove and the arc-shaped recess 611 at the same time. Then the crimping assembly 62 will cooperate with the arc-shaped recess 611 to press the tap cable and complete the installation.

[0035] Example 3:

[0036] See attached Figures 1-2 Based on Embodiment 2, the top of the first conductive part 511 has a first conductive contact surface that is flush with and exposed to the top surface of the base 2; the bottom of the left end of the second conductive base 61 has a second conductive contact surface for covering the first conductive contact surface; a conductive connector 7 is also included; the left end of the second conductive base 61 is fixed to the top of the first conductive part 511 through the conductive connector 7 to press the first and second conductive contact surfaces together. As can be seen from the above structure, the top of the first conductive part 511 has a first conductive contact surface that is flush with and exposed to the top surface of the base 2, and when the corresponding branch wiring mechanism 6 is installed on the base 2, the second conductive contact surface of the second conductive base 61 covers the first conductive contact surface and makes contact with it for conductivity. To ensure conductivity, a conductive connector 7 is also provided. By fixing the left end of the second conductive base 61 to the top of the first conductive part 511 through the conductive connector 7, the first and second conductive contact surfaces are pressed together, ensuring conductivity.

[0037] Example 3:

[0038] See attached Figures 3-4Based on Embodiment 2, it further includes a conductive connector 7 and several third conductive substrates 52; each third conductive substrate 52 corresponds to a first conductive substrate 51 and is detachably disposed above the corresponding first conductive portion 511; the bottom surface of the third conductive substrate 52 is in contact with the first conductive contact surface at the top of the first conductive portion 511; the top surface of the third conductive substrate 52 is flush with and exposed to the top surface of the substrate; the bottom of the left end of the second conductive substrate 61 has a second conductive contact surface for covering the top surface of the third conductive substrate 52; the left end of the second conductive substrate 61 is fixed to the top of the third conductive substrate 52 through the conductive connector 7 to press the top surface of the third conductive substrate 52 and the second conductive contact surface together. From the above structure, it can be seen that the third conductive substrate 52 is detachably disposed above the corresponding first conductive portion 511, so that the bottom surface of the third conductive substrate 52 is in contact with the first conductive contact surface at the top of the first conductive portion 511. The second conductive substrate 61 indirectly contacts and conducts electricity with the first conductive part 511 through the third conductive substrate 52. Since fixing and pressing the top surface of the third conductive substrate 52 and the second conductive contact surface of the second conductive substrate 61 requires corresponding mounting holes to be made on both the third conductive substrate 52 and the second conductive substrate 61, and then connecting and fixing them using the conductive connector 7, repeated use may cause wear of the mounting holes, affecting the conductivity. Therefore, a detachable third conductive substrate 52 is provided for easy replacement after repeated use, extending the service life of the equipment.

[0039] Example 4:

[0040] See attached Figures 1-5 Based on Embodiment 2 or Embodiment 3, the base 2 is further provided with a base plate 21 at its bottom; the base plate 21 is provided with a plurality of slide rails 211 extending in the front-back direction, and two adjacent slide rails 211 are alternately arranged on the front and rear sides of the base 2; the bottom of the tapping base 63 is provided with a slider 631 matching the shape of the slide rails 211; the slider 631 corresponds one-to-one with the slide rails 211; a plurality of branch wiring mechanisms 6 are slidably and alternately connected to the front or rear side of the base 2. As can be seen from the above structure, the base plate 21 is also made of insulating and flame-retardant material. The base plate 21 is provided with a plurality of slide rails 211 extending in the front-back direction, and two adjacent slide rails 211 are alternately arranged on the front and rear sides of the base 2 to accommodate the positions of the various crimping components 62 on the line brancher. The plurality of branch wiring mechanisms 6 can slide and cooperate with the slide rails 211 through the sliders 631, and are alternately connected to the front or rear side of the base 2. Specifically, the sliding engagement between the slide rail 211 and the slider 631 is existing technology, and those skilled in the art can adapt the shape and structure according to actual needs.

[0041] The crimping assembly 62 includes a clamping bolt 621 and a pressure plate 622; the branch connection mechanism 6 has a vertically extending screw hole 64 that penetrates the second conductive substrate 61 and extends downward into the tap base 63; the clamping bolt 621 is movably mounted above the second conductive substrate 61 through the screw hole 64; the pressure plate 622 is sleeved on the screw portion of the clamping bolt 621. As can be seen from the above structure, the clamping bolt 621 is movably mounted above the second conductive substrate 61 through the screw hole 64. By adjusting the installation height of the clamping bolt 621, the pressure plate 622 can clamp or loosen the tap cable passing through the arc-shaped recess 611.

[0042] The busbar tap section 5 further includes a tap outer shell 53 and several tap inner shells 54; the tap inner shells 54 are located inside the tap outer shell 53 and communicate with it; each busbar inlet 3 corresponds to a tap inner shell 54; each tap assembly also includes two conductive bolts 55; the upper end of the conductive bolt 55 extends beyond the tap outer shell 53, and the lower end extends into the corresponding tap inner shell 54; the front end of the first conductive base 51 is disposed inside the tap inner shell 54, and the bottom of the two conductive bolts 55 is simultaneously pressed against the top surface of the left end of the first conductive base 51. From the above structure, it can be seen that the cable busbar is introduced into the busbar tap section 5 through the busbar inlet 3, passes through the tap outer shell 53 and the tap inner shell 54, and is then electrically connected to the corresponding tap assembly, thereby allowing the power of the busbar to be transmitted to the branch connection mechanism 6 through the tap assembly. The specific structure and connection method of the busbar tap section 5 are existing technologies and will not be described in detail here.

[0043] The front wall of the tapping base 63 is also provided with a push-pull plate 632. As can be seen from the above structure, the push-pull plate 632 is provided to facilitate the operator to pull the tapping base 63 out or push it into the base 2.

[0044] The tap base 63 is provided with insulating components 633 on both the front and rear sides of the left end of the second conductive base 61. As can be seen from the above structure, the insulating components 633 can further ensure the safety of the line branching device.

[0045] The cable trough 4 can be two or four. As can be seen from the above structure, depending on the actual cable branching requirements, two cable troughs 4 can be set, resulting in two branching components and two branch connection mechanisms 6, forming a single-phase line branch. Alternatively, four cable troughs 4 can be set, resulting in four branching components and four branch connection mechanisms 6, forming a three-phase four-wire line branch, suitable for different branching scenarios.

[0046] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural or procedural transformations made based on the content of the present utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present utility model.

Claims

1. A line branch unit, comprising a top cover (1), a base (2), and a plurality of busbar inlets (3), wherein the base (2) is provided with at least two cable troughs (4) arranged parallel to and at intervals along its length, characterized in that: It also includes a busbar tap section (5) and several branch connection mechanisms (6); the busbar tap section (5) is located on the left side of the base (2) and includes multiple tap components that correspond one-to-one with the busbar inlet (3); The tap assembly includes at least a first conductive base (51) for transmitting bus power to the tap cable; a first conductive part (511) is formed at the right end of the first conductive base (51); the first conductive part (511) extends beyond the bus tap portion (5) and is fixed on the base (2); the cable trough (4), the tap assembly and the branch connection mechanism (6) correspond one-to-one. The branch connection mechanism (6) is detachably connected to the base (2); the branch connection mechanism (6) includes at least a second conductive base (61) for direct or indirect contact with the first conductive part (511) and a crimping assembly (62); the crimping assembly (62) is used to press or release the branch cable passing through the cable groove (4) corresponding to the branch connection mechanism (6).

2. The line splitter according to claim 1, characterized in that: The branch connection mechanism (6) further includes a tap base (63); the tap base (63) is slidably connected to the base (2); the second conductive substrate (61) is fixed on the top of the tap base (63); the top of the tap base (63) also has a groove that matches the shape and position of the corresponding cable groove (4); the right side of the second conductive substrate (61) forms an arc-shaped recess (611) corresponding to the groove; the left end of the second conductive substrate (61) extends horizontally to the left for direct or indirect contact and conduction with the corresponding first conductive part (511).

3. The line splitter according to claim 2, characterized in that: The top of the first conductive part (511) has a first conductive contact surface that is flush with and exposed to the top surface of the base (2); the bottom of the left end of the second conductive base (61) has a second conductive contact surface for covering the first conductive contact surface; it also includes a conductive connector (7); the left end of the second conductive base (61) is fixed to the top of the first conductive part (511) through the conductive connector (7) to press the first conductive contact surface and the second conductive contact surface together.

4. The line splitter according to claim 2, characterized in that: It also includes a conductive connector (7) and several third conductive substrates (52); the third conductive substrates (52) correspond one-to-one with the first conductive substrates (51) and are detachably disposed above the corresponding first conductive parts (511); the bottom surface of the third conductive substrate (52) is in contact with the first conductive contact surface of the top of the first conductive part (511) for conducting electricity; the top surface of the third conductive substrate (52) is flush with and exposed to the top surface of the substrate; the bottom of the left end of the second conductive substrate (61) has a second conductive contact surface for covering the top surface of the third conductive substrate (52); the left end of the second conductive substrate (61) is fixed to the top of the third conductive substrate (52) through the conductive connector (7) to press the top surface of the third conductive substrate (52) and the second conductive contact surface together.

5. The line splitter according to claim 2, characterized in that: The base (2) is also provided with a base plate (21) at the bottom; the base plate (21) is provided with a number of slide rails (211) extending in the front and rear directions, and two adjacent slide rails (211) are alternately arranged on the front and rear sides of the base (2); the bottom of the branch base (63) is provided with a slider (631) matching the shape of the slide rail (211); the slider (631) corresponds one-to-one with the slide rail (211); a number of branch wiring mechanisms (6) slide and alternately connect to the front or rear side of the base (2).

6. The line splitter according to claim 1, characterized in that: The crimping assembly (62) includes a clamping bolt (621) and a pressure plate (622); the branch connection mechanism (6) is provided with a screw hole (64) that penetrates the second conductive substrate (61) and extends downward into the tap base (63); the clamping bolt (621) is movably installed above the second conductive substrate (61) through the screw hole (64); the pressure plate (622) is sleeved on the screw portion of the clamping bolt (621).

7. The line splitter according to claim 1, characterized in that: The busbar tap section (5) further includes a tap shell (53) and several tap inner shells (54); the tap inner shells (54) are located inside the tap shell (53) and are connected to the tap shell (53); each busbar inlet (3) corresponds to a tap inner shell (54); each tap assembly also includes two conductive bolts (55); the upper end of the conductive bolts (55) extends beyond the tap shell (53), and the lower end extends into the corresponding tap inner shell (54); the front end of the first conductive base (51) is located inside the tap inner shell (54), and the bottom of the two conductive bolts (55) is simultaneously pressed against the top surface of the left end of the first conductive base (51).

8. The line splitter according to claim 5, characterized in that: The front wall of the tapping base (63) is also provided with a push-pull plate (632).

9. The line splitter according to claim 5, characterized in that: The tap base (63) has insulating parts (633) on both the front and rear sides of the left end of the second conductive substrate (61).

10. The line splitter according to any one of claims 1-9, characterized in that: The cable trough (4) may be two or four.

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