An anti-interference shielding structure of a network transmission line

Abstract

The application discloses a kind of network transmission line's anti-interference shielding structure, and the application is related to network cable shielding protection technical field;Including shielding shell, the shielding shell includes mutually sealable shell one and shell two of assembly.The network transmission line's anti-interference shielding structure, through the split shielding shell structure of shell one, shell two end face complete adhesion after mutual engagement, form no breakpoint airtight shielding containment cavity after splicing, complete block external electromagnetic radiation invasion, internal cable magnetic field excretion, eliminate the magnetic leakage interference of shielding gap, realize overall electromagnetic isolation from shell layer, and rely on shell internal slot and shielding partition board plug-in cooperation structure, can according to cable number free increase and decrease partition board, divide uniform shielding cavity into multiple independent subchamber, each cable is separately zoned layout, utilize the isolation of shielding partition board to eliminate the electromagnetic coupling crosstalk between multiple parallel cables, improve multi-line parallel transmission stability.

Description

Technical Field

[0001] This invention relates to the field of network cable shielding and protection technology, specifically to an anti-interference shielding structure for network transmission lines. Background Technology

[0002] With the increasing density of network transmission lines in industrial computer rooms, data centers, and other similar settings, electromagnetic coupling interference is easily generated when multiple network cables are laid in close parallel proximity. Crosstalk between different cables can significantly reduce data transmission stability, leading to problems such as packet loss, delay, and transmission distortion in severe cases. Currently available cable shielding devices have several shortcomings in their application:

[0003] 1. The internal cables lack partitioning and isolation structures, and all cables are mixed in the same cavity. Electromagnetic crosstalk between cables cannot be effectively blocked, and relying solely on a single layer of shielding from the outer shell is insufficient to solve the problem of mutual interference between cables.

[0004] 2. When laying cables on site, excess cable length is often reserved for later debugging. The existing shielding device does not have a matching storage structure. The excess cables are piled up messily around the lines. The stacked cables are tangled together, which amplifies crosstalk. Moreover, messy lines occupy cabinet space and are not conducive to later maintenance.

[0005] Therefore, the present invention provides an anti-interference shielding structure for network transmission lines to solve the aforementioned problems. Summary of the Invention

[0006] To address the shortcomings of existing technologies, this invention provides an anti-interference shielding structure for network transmission lines, solving the problems mentioned in the background section.

[0007] To achieve the above objectives, the present invention provides the following technical solution: an anti-interference shielding structure for network transmission lines, comprising a shielding shell, wherein the shielding shell comprises a shell one and a shell two that can be fitted together and sealed, wherein the end faces of the shell one and the shell two are open mating surfaces, and wherein, after the shell one and the shell two are fitted together, their mating end faces are completely and tightly fitted together to form a continuous and sealed shielding cavity, wherein the side walls of the shell one and the shell two are provided with a plurality of through slots for passing through network transmission cables along the length direction, wherein the internal cavities of the shell one and the shell two together form a complete shielding cavity, wherein a plurality of shielding partitions for separating cables and blocking signal crosstalk between cables are fitted inside the shielding cavity along the cable extension direction, wherein the outer side of the shell one is symmetrically fixed with outwardly extending snap-fit ​​blocks, and a sliding cavity is provided inside the side wall of the shell two, wherein a limiting block that can be inserted and locked with the snap-fit ​​blocks is horizontally slidably fitted inside the sliding cavity;

[0008] The outer side wall of the second housing is detachably fitted with a rectangular hollow storage frame. A connecting groove is opened through the storage frame on one side opposite the second housing. The number and position of the connecting grooves correspond one-to-one with the through grooves on the side wall of the housing, and the grooves are interconnected after assembly. The inside of the storage frame is provided with a winding component for storing and organizing excess length network transmission lines. The entire shielding structure is assembled and locked by mechanical plugging, sliding, threading, and spring clamping. There are no electrical components, no conductive adhesive, and no electronic sensing components. It only relies on a pure mechanical structure to achieve electromagnetic isolation, cable limiting, and excess cable storage to prevent interference.

[0009] Preferably, inside the inner wall cavity of the first shell and the inner wall cavity of the second shell, an arc-shaped clamp is fixedly installed at each through-slot cable threading position. The arc-shaped clamp is a semi-circular elastic clamping structure. After the upper and lower arc-shaped clamps are put together, they can elastically wrap and clamp the cable from the outer periphery. The mechanical clamping force restricts the radial swaying and displacement of the network transmission cable inside the shielding cavity, avoiding cable displacement and magnetic leakage interference caused by shielding gaps. The position of the arc-shaped clamp corresponds one-to-one with the position of the through slot.

[0010] Preferably, multiple sets of parallel slots are symmetrically arranged on the inner walls of both housing one and housing two along the length of the housing. The two sides of each shielding partition are respectively inserted into the slots on housing one and housing two that are aligned with each other. The shielding partitions are detachable and assembled by mechanical limiting of the slots. The number of shielding partitions can be increased or decreased freely according to the number of wiring cables and the spacing between them. The shielding partitions divide the overall shielding cavity into multiple independent closed sub-cavities, blocking electromagnetic crosstalk between different cables.

[0011] Preferably, the limiting block has an integrally formed limiting protrusion fixed on the outer end face away from the sliding cavity of the second housing. The outer surface of the limiting protrusion is inserted into the inner surface of the snap-fit ​​block. A limiting spring is fixed between the limiting block and the inner sidewall of the sliding cavity of the second housing. Under normal conditions, the limiting spring continuously pushes the limiting block towards the snap-fit ​​block. The mechanical elasticity of the spring maintains the stable insertion and locking of the limiting protrusion and the snap-fit ​​block, preventing the first and second housings from loosening and separating on their own after assembly, and ensuring the long-term sealing and integrity of the shielding cavity.

[0012] Preferably, a wedge-shaped block is fixedly provided on the end face of the limiting block near the snap-fit ​​block, and a push block is vertically and slidably provided inside the side wall of the first housing. The lower end of the push block extends downward through the housing mating gap and into the sliding cavity of the side wall of the second housing. The two flat surfaces of the bottom end of the push block are tightly fitted with the inclined surface of the wedge-shaped block. When the push block is pressed down, the bottom end of the push block slides along the inclined surface of the wedge-shaped block and laterally squeezes the limiting block to compress the limiting spring, causing the limiting protrusion to disengage from the snap-fit ​​block, releasing the mechanical lock between the first housing and the second housing, and realizing the tool-free quick disassembly of the shielding shell.

[0013] Preferably, the storage frame is symmetrically provided with connecting seats on its outer side, and the connecting seats are threaded with positioning bolts. The end of the positioning bolt extends into the inner side wall of the second outer shell and is threadedly connected to its inner wall. Multiple sets of positioning bolts achieve detachable mechanical fixation between the storage frame and the second outer shell. The storage frame can be disassembled separately for cable management, winding and maintenance, without the need to completely disassemble the shielding shell.

[0014] Preferably, the winding assembly includes a winding drum rotatably disposed inside the storage frame. The side wall of the winding drum has a through groove, and the inner top wall of the storage frame has a vertical through hole corresponding to the axis position of each winding drum. The through holes are aligned vertically with the through grooves on the surface of the winding drum and their positions correspond one-to-one. The winding drum has a hollow through-type design, and the end face of the winding drum facing the second housing is completely open. The hollow inner cavity of the winding drum is directly connected to the connecting groove on the side of the housing. The network transmission line can pass through the through groove and the connecting groove in sequence to enter the hollow interior of the winding drum, and then exit through the through groove and be wound around the outer wall of the winding drum to neatly store excess cables.

[0015] Preferably, an extension rod is fixedly and coaxially positioned at the center of the outer end face of the winding drum away from the housing. The extension rod extends horizontally outward through the outer side plate of the storage frame and rotates with its inner wall. A knob is slidably fitted on the surface of the extension rod exposed outside the storage frame. The knob can slide along the axial direction of the extension rod. When the knob is pushed inward, it can be embedded into the outer wall of the storage frame to achieve insertion, positioning, and locking, restricting the winding drum from rotating arbitrarily and preventing excess cables from becoming loose and scattered after storage.

[0016] Preferably, the outer surface of the knob is fixedly provided with several radially outward protruding limiting strips, and the outer side wall of the storage frame is provided with a limiting groove. The inner circumferential side wall of the limiting groove is provided with multiple sets of grooves that match the limiting strips. When the knob is pushed inward along the extension rod into the limiting groove, the outer circumferential limiting strip of the knob can be correspondingly embedded in the groove to form a circumferential mechanical limit, locking the rotation angle of the winding drum and preventing the cable from loosening due to external force. Pulling the knob outward to disengage it from the limiting groove can release the positioning and allow the winding drum to rotate freely to adjust the cable storage length.

[0017] Beneficial effects

[0018] This invention provides an anti-interference shielding structure for network transmission lines. Compared with existing technologies, it has the following advantages:

[0019] (1) The anti-interference shielding structure of the network transmission line is a split shielding shell structure in which the rear ends of shell 1 and shell 2 are completely attached. After splicing, a seamless sealed shielding cavity is formed, which completely blocks the intrusion of external electromagnetic radiation and the leakage of magnetic field of internal cables, and eliminates the leakage magnetic interference caused by shielding gaps. It achieves overall electromagnetic isolation from the shell level. Relying on the internal slot and shielding partition plug-in structure, the partitions can be freely added or removed according to the number of cables, dividing the unified shielding cavity into multiple independent sub-cavities. Each cable is laid out separately in the partition. The isolation effect of the shielding partition is used to eliminate electromagnetic coupling crosstalk between multiple parallel cables and improve the stability of multi-line parallel transmission.

[0020] (2) The anti-interference shielding structure of the network transmission line is composed of a snap-fit ​​block, a limit block with a limit protrusion and a limit spring to form a normal self-locking structure. The spring continuously pushes the limit block to complete the shell insertion and locking, preventing the shell from loosening on its own. When the push block is pressed down, the push block squeezes the wedge block to compress the spring laterally. The limit protrusion is released from the snap-fit ​​block to unlock it. The shielding shell can be quickly disassembled without screws or tools.

[0021] (3) The anti-interference shielding structure of the network transmission line forms an independent cable storage channel through the winding drum inside the storage frame. Excess cables can be wound around the outer wall of the winding drum for centralized storage, eliminating the superimposed crosstalk caused by messy cable stacking, and optimizing the neatness of the cabinet cabling. The coaxial extension rod of the winding drum is equipped with a sliding knob. After rotating to adjust the cable storage length, pushing the knob inward will cause the outer peripheral limit strip to be embedded in the groove of the storage frame limit slot, forming a circumferential mechanical limit lock to prevent the cable from being pulled loose by external force. Pulling the knob outward will release the limit and freely adjust the reserved cable length, maintaining the neat state of the cabling for a long time. Attached Figure Description

[0022] Figure 1 This is a first-view schematic diagram of the external structure of the present invention;

[0023] Figure 2 This is a second-view schematic diagram of the external structure of the present invention;

[0024] Figure 3 This is a schematic diagram of the internal structure of the shielding shell of the present invention;

[0025] Figure 4 This is a cross-sectional view of the housing of the present invention;

[0026] Figure 5 This is a schematic diagram of the shell of the present invention in two sections;

[0027] Figure 6 For the present invention Figure 5 Enlarged diagram of point A in the diagram;

[0028] Figure 7This is a schematic diagram of the installation of the storage frame of the present invention;

[0029] Figure 8 This is a schematic diagram of the internal structure of the storage frame of the present invention;

[0030] Figure 9 This is a schematic diagram of the winding drum installation according to the present invention;

[0031] Figure 10 This is a schematic diagram of the winding drum structure of the present invention.

[0032] In the diagram: 1-Shielding shell; 101-Shell 1; 102-Shell 2; 103-Through groove; 104-Slot; 2-Shielding partition; 3-Snap-fit ​​block; 4-Limiting block; 5-Storage frame; 501-Connecting groove; 6-Rewinding assembly; 601-Rewinding drum; 602-Through groove; 603-Through hole; 604-Extension rod; 605-Knob; 606-Limiting strip; 607-Limiting groove; 608-Groove; 7-Arc-shaped clamp; 8-Limiting protrusion; 9-Limiting spring; 10-Push block; 11-Wedge block; 12-Connecting seat; 13-Positioning bolt. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] Please see Figures 1-10This invention provides a technical solution: an anti-interference shielding structure for network transmission lines, including a shielding shell 1. The shielding shell 1 includes a shell 101 and a shell 102 that can be fitted together and sealed. The end faces of the shell 101 and the shell 102 are open mating surfaces. After the shell 101 and the shell 102 are fitted together, their mating end faces are completely and tightly fitted to form a continuous and sealed shielding cavity. After the shell 101 and the shell 102 are completely fitted together, a seamless and sealed metal shielding cavity is formed, which blocks external electromagnetic radiation generated by frequency converters and high-power equipment in the computer room, and blocks the leakage of magnetic field signals from the cable. Both housing 101 and housing 102 have several through slots 103 along their length for passing network transmission cables. The internal cavities of housing 101 and housing 102 together form a complete shielded receiving cavity. Inside the shielded receiving cavity, multiple shielding partitions 2 are installed along the cable extension direction to separate cables and block signal crosstalk between cables. The shielding partitions 2 separate individual cables into independent sub-cavities, cut off the electromagnetic coupling path between cables, and eliminate signal crosstalk. Symmetrically fixed outwardly extending snap-fit ​​blocks 3 are provided on the outer side of housing 101. A sliding cavity is opened inside the side wall of housing 102, and a limiting block 4 that can be horizontally slidably installed inside the sliding cavity to achieve plug-in locking with the snap-fit ​​blocks 3.

[0035] Based on the number of cables to be laid on site, select the corresponding number of shielding partitions 2, align the upper and lower ends of the shielding partitions 2 with the slots 104 aligned with the inner walls of housing 101 and housing 202 respectively, and insert them from top to bottom to complete the pre-installation, dividing the shielding cavity into multiple independent closed sub-cavities to achieve physical isolation and shielding of the cables.

[0036] A rectangular hollow storage frame 5 is detachably mounted on the outer side wall of the housing 2 102. A connecting groove 501 is provided through the side of the storage frame 5 opposite to the housing 2 102. The number and position of the connecting grooves 501 correspond one-to-one with the through grooves 103 on the side wall of the housing, and the grooves are interconnected after assembly. A winding component 6 for storing and organizing excess length of network transmission lines is provided inside the storage frame 5.

[0037] Inside the inner wall cavity of shell 101 and shell 2 102, an arc-shaped clamp 7 is fixedly installed at each through slot 103 wire threading position. The arc-shaped clamp 7 continuously clamps the cable to prevent vibration and pulling from causing magnetic leakage through the shielding gap at the through slot position. The arc-shaped clamp 7 is a semi-circular arc elastic clamping structure. After the upper and lower arc-shaped clamps 7 are put together, they can elastically wrap and clamp the cable from the outside. The position of the arc-shaped clamp 7 corresponds one-to-one with the position of the through slot 103.

[0038] Multiple sets of parallel slots 104 are symmetrically arranged on the inner walls of housing 101 and housing 2 along the length of the housing. The two sides of each shielding partition 2 are respectively inserted into the slots 104 aligned with each other on housing 101 and housing 2.

[0039] A limiting protrusion 8 is integrally formed and fixed on the outer end face of the limiting block 4 away from the sliding cavity of the housing 2 102. The outer surface of the limiting protrusion 8 is inserted into the inner surface of the snap-fit ​​block 3. A limiting spring 9 is fixed between the limiting block 4 and the inner side wall of the sliding cavity of the housing 2 102. Under normal conditions, the limiting spring 9 continuously pushes the limiting block 4 towards the snap-fit ​​block 3. The elastic coefficient of the limiting spring 9 can be set according to the requirements.

[0040] A wedge-shaped block 11 is fixedly installed on one end face of the limiting block 4 near the snap-fit ​​block 3. A push block 10 is vertically slidably installed inside the side wall of the housing 101. The lower end of the push block 10 extends downward through the housing mating gap and into the sliding cavity of the side wall of the housing 2 102. The two sides of the bottom end of the push block 10 are tightly fitted with the inclined surface of the wedge-shaped block 11. When the push block 10 is pressed down, the bottom end of the push block 10 slides along the inclined surface of the wedge-shaped block 11 and laterally squeezes the limiting block 4 to compress the limiting spring 9, causing the limiting protrusion 8 to disengage from the snap-fit ​​block 3.

[0041] When housing 101 is aligned with the open mating surface of housing 2102 and fastened together, during the fastening process, the snap-fit ​​block 3 on the outside of housing 101 presses downward against the limiting protrusion 8, and the inclined surface of the wedge block 11 is forced to compress the limiting block 4 and the limiting spring 9 inward. After the snap-fit ​​block 3 is fully engaged, the limiting spring 9 rebounds and pushes the limiting block 4 back to its original position, and the limiting protrusion 8 engages with the internal groove of the snap-fit ​​block 3, completing the self-locking seal between housing 101 and housing 2102. After the housings are fastened, the upper and lower symmetrical arc-shaped clamps 7 fit together, half-wrapping and clamping each cable, limiting the radial movement of the cable and preventing shielding gaps from forming at the through slot.

[0042] Symmetrical connecting seats 12 are arranged on the outer side of the storage frame 5. A positioning bolt 13 is threaded through the connecting seat 12, with the end of the positioning bolt 13 extending into the inner wall of the outer side of the housing 102 and threadedly connected to its inner wall. When cleaning or replacing cables, simply unscrew the positioning bolts 13 on both connecting seats 12 to remove the entire storage frame 5 from the outer side of the housing 102. The cables inside the winding assembly 6 can then be organized separately without disassembling the shielding shell 1, making the operation convenient.

[0043] The winding assembly 6 includes a winding drum 601 rotatably disposed inside the storage frame 5. The side wall of the winding drum 601 has a through groove 602. The inner top wall of the storage frame 5 has a vertical through hole 603 corresponding to the axis position of each winding drum 601. The through hole 603 is vertically aligned with the through groove 602 on the surface of the winding drum 601 and their positions are one-to-one. The winding drum 601 has a hollow through-type design inside, and the end face of the winding drum 601 facing the housing 102 is completely open. The hollow inner cavity of the winding drum 601 is directly connected to the side connecting groove 501 of the housing. The network transmission cable to be laid is passed through the through groove 103 on the side wall of the housing 2 102 and the connecting groove 501 on the side of the storage frame 5, and then enters the hollow inner cavity of the take-up drum 601. It then passes out through the through groove 602 on the side wall of the take-up drum 601, leaving the standard length required for the cabinet cabling. The excess cable is left on the outer drum body of the take-up drum 601 for winding and storage.

[0044] An extension rod 604 is fixedly and coaxially positioned at the center of the outer end face of the winding drum 601 away from the housing 102. The extension rod 604 extends horizontally outward through the outer side plate of the storage frame 5 and rotates with its inner wall. A knob 605 is slidably fitted on the surface of the extension rod 604 exposed outside the storage frame 5. The knob 605 can slide along the axial direction of the extension rod 604. After the knob 605 is pushed inward, it can be embedded into the outer wall of the storage frame 5 to achieve insertion, positioning and locking.

[0045] The outer surface of the knob 605 is fixedly provided with several radially outward protruding limiting strips 606. The outer side wall of the storage frame 5 is provided with a limiting groove 607. The inner ring side wall of the limiting groove 607 is uniformly provided with multiple sets of grooves 608 that match the limiting strips 606. When the knob 605 is pushed inward along the extension rod 604 into the limiting groove 607, the outer peripheral limiting strips 606 of the knob 605 can be correspondingly embedded in the grooves 608 to form a circumferential mechanical limit.

[0046] Pull the knob 605 outward to disengage the outer peripheral limiting strip 606 from the groove 608 within the limiting slot 607 of the storage frame 5, thus releasing the circumferential limiting of the take-up drum 601. Rotate the knob 605 to drive the coaxial extension rod 604 to rotate synchronously with the take-up drum 601, winding the excess cable around the outer wall of the take-up drum 601. Adjust to the appropriate reserved length and then stop rotating. Push the knob 605 inward along the extension rod 604 so that the knob 605 is fully embedded in the limiting slot 607, and the outer peripheral limiting strip 606 is correspondingly engaged in the circumferentially distributed grooves 608, limiting the rotation of the take-up drum 601 and preventing the cable from being pulled loose by external forces, thus maintaining neat wiring over the long term.

[0047] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0048] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0049] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An anti-interference shielding structure for network transmission lines, comprising a shielding shell (1), characterized in that: The shielding shell (1) includes a first shell (101) and a second shell (102) that can be fitted together and sealed. The end faces of the first shell (101) and the second shell (102) are open mating surfaces. After the first shell (101) and the second shell (102) are fitted together, their mating end faces are completely and tightly fitted to form a continuous and sealed shielding cavity. The side walls of the first shell (101) and the second shell (102) are provided with a number of through slots along their length for passing through network transmission cables. (103) The internal cavity of the first housing (101) and the internal cavity of the second housing (102) together form a complete shielding cavity. Multiple shielding partitions (2) for separating cables and blocking signal crosstalk between cables are installed inside the shielding cavity along the cable extension direction. Outwardly extending snap-fit ​​blocks (3) are symmetrically fixed on the outer side of the first housing (101). A sliding cavity is opened inside the side wall of the second housing (102). A limiting block (4) that can be inserted and locked with the snap-fit ​​block (3) is horizontally slidably installed inside the sliding cavity. The outer wall of the second housing (102) is detachably fitted with a rectangular hollow storage frame (5). The storage frame (5) has a through-hole (501) on one side opposite to the second housing (102). The number and position of the through-hole (501) correspond one-to-one with the through-hole (103) on the side wall of the housing, and the slots are interconnected after assembly. The storage frame (5) is provided with a winding component (6) for storing and organizing excess length network transmission lines.

2. The anti-interference shielding structure for a network transmission line according to claim 1, characterized in that: Inside the inner wall cavity of the first shell (101) and the inner wall cavity of the second shell (102), an arc-shaped clamp (7) is fixedly installed at each through slot (103) wire threading position. The arc-shaped clamp (7) is a semi-circular arc elastic clamping structure. After the upper and lower arc-shaped clamps (7) are put together, they can elastically wrap and clamp the cable from the outer periphery. The position of the arc-shaped clamp (7) corresponds one-to-one with the position of the through slot (103).

3. The anti-interference shielding structure for a network transmission line according to claim 1, characterized in that: Multiple sets of parallel slots (104) are symmetrically arranged on the inner walls of the first shell (101) and the second shell (102) along the length of the shell. The two sides of each shielding partition (2) are respectively inserted into the slots (104) aligned with each other on the first shell (101) and the second shell (102).

4. The anti-interference shielding structure for a network transmission line according to claim 1, characterized in that: The limiting block (4) is fixed with an integrally formed limiting protrusion (8) on the outer end face of the sliding cavity of the housing two (102) away from the inside. The outer surface of the limiting protrusion (8) is inserted into the inner surface of the snap-fit ​​block (3). A limiting spring (9) is fixed between the limiting block (4) and the inner side wall of the sliding cavity of the housing two (102). The limiting spring (9) continuously pushes the limiting block (4) to the snap-fit ​​block (3) under normal conditions.

5. The anti-interference shielding structure for a network transmission line according to claim 4, characterized in that: The limiting block (4) is fixedly provided with a wedge block (11) on one end face near the snap-fit ​​block (3). A push block (10) is vertically slidably provided inside the side wall of the first housing (101). The lower end of the push block (10) extends downward through the housing mating gap and into the sliding cavity of the side wall of the second housing (102). The two sides of the bottom end of the push block (10) are closely fitted with the inclined surface of the wedge block (11). When the push block (10) is pressed down, the bottom end of the push block (10) slides along the inclined surface of the wedge block (11) and laterally squeezes the limiting block (4) to compress the limiting spring (9), causing the limiting protrusion (8) to disengage from the snap-fit ​​block (3).

6. The anti-interference shielding structure for a network transmission line according to claim 1, characterized in that: The storage frame (5) is symmetrically provided with a connecting seat (12) on the outside. A positioning bolt (13) is threaded through the connecting seat (12). The end of the positioning bolt (13) extends into the inner wall of the outer side of the housing (102) and is threadedly connected to its inner wall.

7. The anti-interference shielding structure for a network transmission line according to claim 1, characterized in that: The winding assembly (6) includes a winding drum (601) rotatably disposed inside the storage frame (5). The side wall of the winding drum (601) is provided with a through groove (602). The inner top wall of the storage frame (5) is provided with a through hole (603) corresponding to the axis position of each winding drum (601). The through hole (603) is aligned vertically with the through groove (602) on the surface of the winding drum (601) and the position is one-to-one. The winding drum (601) adopts a hollow through-type design inside, and the end face of the winding drum (601) facing the second housing (102) is completely open. The hollow inner cavity of the winding drum (601) is directly connected to the side connecting groove (501) of the housing.

8. The anti-interference shielding structure for a network transmission line according to claim 7, characterized in that: An extension rod (604) is fixedly and coaxially positioned at the center of the outer end face of the winding drum (601) away from the housing (102). The extension rod (604) extends horizontally outward through the outer side plate of the storage frame (5) and rotates with its inner wall. A knob (605) is slidably fitted on the rod surface of the extension rod (604) outside the storage frame (5). The knob (605) can slide along the axial direction of the extension rod (604). When the knob (605) is pushed inward, it can be embedded into the outer wall of the storage frame (5) to achieve insertion, positioning, and locking.

9. The anti-interference shielding structure for a network transmission line according to claim 8, characterized in that: The outer surface of the knob (605) is fixedly provided with several radially outward protruding limiting strips (606). The outer side wall of the storage frame (5) is provided with a limiting groove (607). The inner ring side wall of the limiting groove (607) is uniformly provided with multiple sets of grooves (608) that match the limiting strips (606). When the knob (605) is pushed inward along the extension rod (604) into the limiting groove (607), the outer peripheral limiting strips (606) of the knob (605) can be correspondingly embedded in the grooves (608) to form a circumferential mechanical limit.

Images