A wiring mechanism for a communication transmission device with diverse adjustment
By designing a wiring mechanism for communication and transmission equipment with diversified adjustments, the problems of inconvenience and safety hazards caused by messy wire harnesses in the prior art are solved, and the stable positioning of the wire harness and preventing spontaneous combustion are achieved, and the safety of use and convenience of maintenance are improved.
Patent Information
- Application Number
- CN202510346224.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2045-03-24
AI Technical Summary
During the assembly process of existing communication wiring mechanisms, the maintenance and application of the wiring harness is inconvenient due to the messy wiring harness, and the wiring harness has problems such as aging and short circuit for a long time, and other safety hazards such as spontaneous combustion are present.
A diversified adjustment wiring mechanism for communication and transmission equipment is designed, including a wiring frame, a wiring harness distribution pipeline, a wiring harness collection and finishing assembly and an airbag assembly. Through the coordination of the wiring frame and the wiring harness positioning frame, the spiral structure of the wiring harness distribution pipe and connector, the design of the sliding ring and movable ring, and the arrangement of the airbag assembly and air guide pipe, the stable positioning, gathering and preventing spontaneous combustion of the wiring harness is achieved.
This wiring mechanism is convenient for parallel assembly and line connection, avoiding the inconvenience of scattered assembly and maintenance of wire harnesses, and effectively isolating the safety hazards of short circuit spontaneous combustion caused by long-term use of wire harnesses, improving the safety of use.
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Figure CN119854673B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of communication equipment, and in particular to a wiring mechanism for communication transmission equipment with various adjustments. Background Art
[0002] The communication wiring mechanism, which can also be called a communication distribution frame, is a well-known and widely cited tool in communication equipment technology. The communication distribution frame can integrate the communication ports so that different communication access terminals and output terminals are integrated and form a complete unit component for utilization, and complete the signal switching and transmission of electronic communications. The use of the communication distribution frame can achieve the beam and array control of communication and electrical signals.
[0003] The existing communication wiring mechanism adopts a single communication wiring mechanism directly applied or a combination of multiple communication wiring mechanisms to complete the integration and arrangement of lines according to the array arrangement of communication signals and the scale of communication signal transfer and transmission inside the equipment. In the process of large-scale combined application of multiple communication wiring mechanisms, in order to complete the stable transmission of signals, signal transmission wires or cables will also be synchronously set up to achieve joint arrangement;
[0004] However, the communication wiring mechanism in the process of realizing the row assembly will be entangled with each other during use due to the laying and installation of the wire harnesses. At the same time, the distribution and disorder of the harnesses will affect the neatness of the harness distribution inside the communication equipment. In the subsequent application process, the disorder of the harnesses will also cause inconvenience in maintenance and application. At the same time, the harnesses will age and short-circuit due to long-term use, which may cause safety hazards such as spontaneous combustion.
[0005] In view of the above problems, it is urgent to carry out innovative design based on the original communication wiring mechanism. Summary of the invention
[0006] The purpose of the present invention is to provide a wiring mechanism for communication transmission equipment with various adjustments, so as to solve the problem that the existing communication wiring mechanism is used in a row as proposed in the above background technology, which is inconvenient to repair and use due to the disorder of the wiring harness, and at the same time, the wiring harness is aged and short-circuited due to long-term use, resulting in safety hazards such as spontaneous combustion during use.
[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a wiring mechanism for communication transmission equipment with various adjustments, comprising:
[0008] The wiring frame has wiring ports arranged at equal intervals in the middle of the front side, and a detachable and movable positioning head is also installed at the bottom of the front side of the wiring frame, and a wire harness positioning frame is also fixed on the positioning head;
[0009] It further includes: a wire harness distribution duct, vertically fixed to the bottom of the positioning head, and a wire harness gathering and organizing component is sleeved on the outer side of the wire harness distribution duct in a lifting and movable manner, and the wire harness gathering and organizing component is used to guide and wind and gather and position the wire harness on the outer side of the wire harness distribution duct;
[0010] An airbag component, installed through the middle of the back of the patch panel, and the inside of the patch panel is connected to the upper end of the wire harness distribution duct in the positioning head through a gas guiding pipe, and an inert gas is provided in the airbag component and the inner cavity of the patch panel.
[0011] Preferably, a positioning hole is provided at the connection between the patch panel and the positioning head, and the positioning holes are evenly distributed at equal intervals at the bottom position on the front side of the patch panel, and the positioning head and the positioning holes are provided with a damping type through disassembly and installation.
[0012] Preferably, the wire harness distribution duct is arranged in a spiral structure, and hard guiding strips with a spiral trend are arranged on the front and rear sides of the spiral wire harness distribution duct, and the overall material of the wire harness distribution duct is a weakly elastic plastic.
[0013] Preferably, the wire harness gathering and organizing component includes a connector slidably installed through the outer side of the wire harness distribution duct, sliding beads are embedded and installed on the front and rear sides of the inner wall of the connector, and outer frames are fixed on the outer walls on the left and right sides of the connector, and elastic bands are arranged inside the outer frames.
[0014] Preferably, the inner wall of the connector is in contact with the outer wall of the wire harness distribution duct, and the sliding beads are in contact and sliding connection along the outer wall of the hard guiding strip;
[0015] A permanent magnet is fixed at the lower end of the wire harness distribution duct, and the permanent magnet is magnetically positioned with the bottom of the connector.
[0016] Preferably, the wire harness distribution duct is arranged in a hollow cylindrical structure, and inner support strips are embedded and installed inside the left and right sides of the cylindrical wire harness distribution duct, and an inner support frame is fixed between the symmetrically distributed inner support strips;
[0017] The inner support strips are in an arc shape, and the overall material on the outer side of the wire harness distribution duct is a weakly elastic plastic.
[0018] Preferably, the wire harness gathering and organizing component includes a sliding ring slidably installed vertically on the outer side of the wire harness distribution duct, a movable ring is movably installed on the outer side of the sliding ring, and positioning clips are fixed on the outer wall of the movable ring, and the positioning clips are used to guide and position and clamp the wire harness.
[0019] Preferably, the sliding ring is arranged in an "I" shape structure, and the connection tangent point position between the outer wall of the sliding ring and the inner wall of the movable ring is in contact, and both the outer wall of the sliding ring and the inner wall of the movable ring are magnetically arranged;
[0020] A permanent magnet is fixed at the lower end of the wire harness distribution duct, and the permanent magnet is magnetically positioned with the bottom of the sliding ring and the movable ring.
[0021] Preferably, the air guiding connection pipe is used for the through connection between the internal cavity of the wiring rack and the inside of the wire harness distribution duct. A joint valve port is provided at the through connection of the wiring rack and the air guiding connection pipe. The air guiding connection pipe is provided in two types: a single-pipe linear setting and a double-pipe "Y"-shaped setting.
[0022] Preferably, an air inlet valve and a pressure gauge are respectively arranged on the left and right sides of the top of the wiring rack, and an elastic member is further arranged at the connection between the airbag assembly and the back of the wiring rack.
[0023] Compared with the prior art, the beneficial effects of the present invention are as follows: The wiring mechanism for the diverse-adjustment communication transmission device facilitates the parallel assembly and line connection use of the wiring mechanism, will not cause scattered assembly and inconvenient maintenance of the external lines, and can isolate and protect the potential safety hazards of short circuit and spontaneous combustion during its use. The specific contents are as follows:
[0024] 1. The connection of the external wire harness after positioning is realized through the wiring rack and the wiring ports thereon. At the same time, a wire harness positioning frame is also provided to clamp the upper end of the external wire harness. By using the wire harness distribution duct and the wire harness gathering and sorting assembly installed thereon, when the wire harnesses between the wiring racks are connected, the wire harnesses can be quickly positioned outside the wire harness distribution duct, preventing them from loosening and tangling, which affects the use and subsequent maintenance.
[0025] Furthermore, a wire harness distribution duct and a connector arranged in a spiral shape are provided. The connector temporarily clamps the outside of the wire harness through the outer frame and the elastic band on the outside, and the connector continuously moves downward. Through the guidance of the hard guide strip, the wire harness clamped by the outer frame and the elastic band can be bundled synchronously, and the bundled wire harnesses are wound around the outside of the wire harness distribution duct, and the distributed winding operation is convenient.
[0026] Furthermore, a cylindrical wire harness distribution duct and a sliding ring and a movable ring movably installed on the outside thereof can be provided. The movable ring temporarily clamps and positions the outside of the wire harness through the positioning clip thereon, and when the movable ring slides vertically on the sliding ring, the movable ring performs a manually assisted eccentric rotation on the outside of the sliding ring, and the wire harness can also be bundled and the wire harness can be wound and positioned on the outside of the wire harness distribution duct.
[0027] 2. The wire harness distribution duct realizes the positioning of the external wire harness. At the same time, the wire harness distribution duct can be connected through the air guiding connection pipe with the airbag assembly. When the wire harnesses outside the wire harness distribution duct are heated and self-ignited due to short circuit or the like during long-term use, the wire harness distribution duct will be broken and inert gas will be ejected from the position of the self-ignition area, providing a flame-retardant protection that completely isolates oxygen and improves the safety of use. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 This is a schematic diagram of the front installation structure of the present invention;
[0029] Figure 2 It is a schematic diagram of the back structure of the present invention;
[0030] Figure 3 This is a schematic diagram of the assembly structure of the wiring harness distribution pipe and the connector in the first embodiment of the present invention;
[0031] Figure 4 This is a schematic diagram of the connector structure in Embodiment 1 of the present invention;
[0032] Figure 5 This is a schematic diagram of the first form connection structure of the gas guide pipe of the present invention;
[0033] Figure 6 This is a schematic diagram of the second connection structure of the gas guide pipe of the present invention;
[0034] Figure 7 This is a schematic diagram of the connection structure between the wiring harness distribution pipe and the sliding ring in the second embodiment of the present invention;
[0035] Figure 8 This is a schematic diagram of the installation structure of the sliding ring and the movable ring in the second embodiment of the present invention;
[0036] Figure 9 This is a schematic diagram of the wiring harness distribution pipeline structure in the second embodiment of the present invention.
[0037] In the figure: 1. Patch panel; 2. Wiring port; 3. Positioning head; 4. Wire harness positioning frame; 5. Wire harness distribution duct; 501. Hard guide strip; 502. Inner support strip; 503. Inner support frame; 6. Connector; 601. Sliding bead; 602. Outer frame; 603. Elastic band; 7. Sliding ring; 701. Movable ring; 702. Positioning clip; 8. Air bag assembly; 9. Air guide pipe; 10. Connector valve port; 11. Positioning hole; 12. Intake valve; 13. Pressure gauge. DETAILED DESCRIPTION
[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0039] Example 1: Please refer to Figures 1-6 The present invention provides a technical solution: a wiring mechanism for communication transmission equipment with various adjustments, comprising:
[0040] Patch panel 1, with wiring ports 2 equidistantly arranged in the middle of the front side. At the bottom of the front side of the patch panel 1, a positioning head 3 is detachably and movably installed, and a wire harness positioning frame 4 is also fixed on the positioning head 3. A positioning hole 11 is provided at the connection between the patch panel 1 and the positioning head 3. The positioning holes 11 are evenly distributed equidistantly at the bottom position of the front side of the patch panel 1, and the positioning head 3 and the positioning holes 11 are arranged in a damped through-type detachable installation manner.
[0041] The installation and positioning of the positioning head 3 are realized by using the positioning holes 11, which is convenient for applying different wiring ports 2 according to the wire harness or wire positioning during use. Through the difference in the installation positions of the wire harness or wire, the application directions of the wire harness positioning frame 4 and the wire harness distribution pipeline 5 are correspondingly adjusted, so that when the wire harness or wire is used for communication connection between the wiring ports 2 on the patch panel 1 arranged in rows, the connected wire harness or wire is correspondingly arranged with the wire harness distribution pipeline 5. The wire harness or wire can be stably clamped on the wire harness positioning frame 4 temporarily and wound and distributed outside the wire harness distribution pipeline 5, without causing entanglement due to free scattering during the connection between the wires on the wiring ports 2 of the patch panel 1 arranged in rows and inconvenience for subsequent maintenance and inspection.
[0042] Also adopted as Figures 3-6 The technical solution shown also includes: a wire harness distribution pipeline 5, vertically fixed at the bottom of the positioning head 3, and a wire harness gathering and arranging assembly is sleeved on the outside of the wire harness distribution pipeline 5 in a lifting and movable manner. The wire harness gathering and arranging assembly is used for guiding and winding and gathering the wire harness on the outside of the wire harness distribution pipeline 5 for positioning; among them, the wire harness distribution pipeline 5 is arranged in a spiral structure, and spiral hard guide strips 501 are arranged on the front and rear sides of the spiral wire harness distribution pipeline 5. The overall material of the wire harness distribution pipeline 5 is a weakly elastic plastic; the wire harness gathering and arranging assembly includes a connector 6 slidably installed through the outside of the wire harness distribution pipeline 5. Sliding beads 601 are embedded and installed on the front and rear sides of the inner wall of the connector 6, and outer frames 602 are fixed on the outer walls on the left and right sides of the connector 6. An elastic band 603 is arranged inside the outer frames 602; the inner wall of the connector 6 is in contact with the outer wall of the wire harness distribution pipeline 5, and the sliding beads 601 are in sliding contact with the outer wall of the hard guide strip 501; a permanent magnet is fixed at the lower end of the wire harness distribution pipeline 5, and the permanent magnet is magnetically positioned with the bottom of the connector 6.
[0043] In the above technical solution, after the wire connection is used, the wire harness positioning frame 4 and the wire harness distribution pipe 5 are aligned for wire installation through the positioning head 3. The upper part of the wire is clamped by the wire harness positioning frame 4, and then the position below the upper ends of adjacent wires that are prone to entanglement and disorder is clamped by the outer frame 602 and the elastic band 603 outside the wire harness distribution pipe 5. The connector 6 is manually pulled downward, and during the movement, the sliding bead 601 moves along the direction of the hard guide strip 501. Due to the spiral distribution of the hard guide strip 501 and the wire harness distribution pipe 5, when the connector 6 is pulled downward, it will synchronously drive the outer frame 602 and the elastic band 603 on it to rotate spirally. The outer frame 602 and the elastic band 603 will drive the wire to be spirally wound around the outside of the wire harness distribution pipe 5, and the contact position between the elastic band 603 and the outer wall of the wire is set to fit and slide, so that the wire will not be pulled downward during the spiral winding. When the connector 6 drives the outer frame 602 and the elastic band 603 to move to the bottom of the wire harness distribution pipe 5 and is positioned by the adsorption of the permanent magnet, it can make multiple wires distributed adjacent to each other be spirally distributed outside the wire harness distribution pipe 5 without loosening and entangling freely, which will affect later maintenance operations. When it is necessary to disassemble and repair the wires wound and distributed outside the wire harness distribution pipe 5, only the connection between the lower end of the wire and the wiring port 2 on the wiring rack 1 arranged in a row below needs to be disconnected, the positioning of the lower end of the wire is released, and then the upper layer part of the lower end of the wire is taken out from the outer frame 602 and the elastic band 603, and the wire can be quickly disassembled in the reverse direction, which is convenient for the maintenance operation of the corresponding wire, etc.
[0044] Furthermore, adopt the technical solutions as shown in Figure 1 , Figure 2 and Figure 5 and Figure 6 . The airbag assembly 8 is installed through and in the middle of the back of the wiring rack 1. The inside of the wiring rack 1 is connected through the air guide pipe 9 to the upper end of the wire harness distribution pipe 5 inside the positioning head 3, and an inert gas is provided in the airbag assembly 8 and the inner cavity of the wiring rack 1; the air guide pipe 9 is used for the through connection between the inner cavity of the wiring rack 1 and the inside of the wire harness distribution pipe 5. A joint valve port 10 is provided at the through connection of the wiring rack 1 and the air guide pipe 9. The air guide pipe 9 is set in two types: a single-pipe straight type and a double-pipe "Y" type; an air inlet valve 12 and a pressure gauge 13 are respectively arranged on the left and right sides of the top of the wiring rack 1, and an elastic member is also provided at the connection between the airbag assembly 8 and the back of the wiring rack 1;
[0045] In the use of the above technical solution, after the wires are wound around the outside of the wiring harness distribution duct 5 for firm positioning, the corresponding air guide pipe 9 is selected for assembly according to the number of distributed wires and the installation position. During the installation and use of the air guide pipe 9, the air guide pipe 9 is used for the through-setting of the wiring harness distribution duct 5 and the airbag assembly 8. When the wires distributed on the outside of the wiring harness distribution duct 5 are short-circuited or other emergencies occur due to long-term use, and the weak elastic plastic on the outside of the wiring harness distribution duct 5 is damaged due to high temperature and open flames, the high-pressure inert gas pressurized by the airbag assembly 8 and the wiring harness distribution duct 5 is discharged from the corresponding damaged position, isolating the oxygen in the corresponding burning open flame area, thereby eliminating oxygen and eliminating fire safety hazards.
[0046] In the above technical solution, the air inlet valve 12 and the pressure gauge 13 arranged on the top of the wiring frame 1 can introduce the inert gas into the airbag assembly 8, so that the inert gas is stored and preserved inside the airbag assembly 8, and the internal air pressure of the airbag assembly 8 is controlled and maintained by the pressure gauge 13.
[0047] Embodiment 2: Based on Embodiment 1, the following Figures 7-9 As shown, the present invention also discloses another type of wire harness distribution duct 5 and wire harness gathering and arranging assembly, the specific contents of which are as follows:
[0048] The harness distribution pipe 5 is arranged in a hollow cylindrical structure, wherein inner bracket strips 502 are embedded and installed inside the left and right sides of the cylindrical harness distribution pipe 5, and an inner support frame 503 is fixed between the symmetrically distributed inner bracket strips 502; wherein the inner bracket strips 502 are arranged in an arc shape, and the overall material of the outer side of the harness distribution pipe 5 is weak elastic plastic; the harness gathering and sorting component includes a sliding ring 7 installed vertically for sliding sliding on the outer side of the harness distribution pipe 5, and a movable ring 701 is movably installed on the outer side of the sliding ring 7, and a positioning clamp 702 is fixed on the outer wall of the movable ring 701, and the positioning clamp 702 is used for guiding the positioning and clamping of the harness; the sliding ring 7 is arranged in an "I"-shaped structure, and the outer wall of the sliding ring 7 is in contact with the inner wall of the movable ring 701 at the connection point, and the outer wall of the sliding ring 7 and the inner wall of the movable ring 701 are both magnetically arranged; wherein a permanent magnet is fixed at the lower end of the harness distribution pipe 5, and the permanent magnet is magnetically positioned with the bottom of the sliding ring 7 and the movable ring 701.
[0049] In the above technical solution, the upper end part of the wire is clamped by the wire harness positioning bracket 4, and then the position below the upper ends of adjacent wires that are prone to entanglement and disorder can be clamped by the positioning clip 702 on the outer side of the movable ring 701. By the vertical sliding of the sliding ring 7 on the outer side of the wire harness distribution pipe 5, the synchronous lifting and lowering of the sliding ring 7 and the movable ring 701 can be realized. At the same time, during the lifting and lowering process, the movable ring 701 is manually made to perform eccentric rotation on the outer side of the sliding ring 7, so as to achieve the effect of winding and positioning the wire on the outer side of the wire harness distribution pipe 5 during the clamping and lifting operations of the wire. Further, due to the tangency, small perimeter fitting and magnetic action between the sliding ring 7 and the movable ring 701, the sliding ring 7 and the movable ring 701 will not be displaced during the relative eccentric movement.
[0050] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. A wiring mechanism for communication transmission equipment with various adjustments, comprising: A wiring rack (1) is provided with wiring ports (2) at equal intervals in the middle of the front side, and a detachable and movable positioning head (3) is also provided at the bottom of the front side of the wiring rack (1), and a wire harness positioning frame (4) is also fixed on the positioning head (3); It is characterized by further comprising: The wire harness distribution pipe (5) is vertically fixed to the bottom of the positioning head (3), and the outer lifting and lowering movable sleeve of the wire harness distribution pipe (5) is provided with a wire harness gathering and arranging component, and the wire harness gathering and arranging component is used to guide the wire harness distribution pipe (5) to the outer side of the wire harness distribution pipe (5) for winding, gathering and positioning; An airbag assembly (8) is installed through the middle of the back of the wiring frame (1), and the interior of the wiring frame (1) is connected to the upper end of the wiring harness distribution pipe (5) in the positioning head (3) through the air guide pipe (9), wherein an inert gas is arranged in the internal cavity of the airbag assembly (8) and the wiring frame (1); a positioning hole (11) is arranged at the connection between the wiring frame (1) and the positioning head (3), and the positioning holes (11) are evenly distributed at equal intervals at the bottom position of the front side of the wiring frame (1), and the positioning head (3) and the positioning holes (11) are damping-type. A through-type disassembly and installation arrangement; the air guide pipe (9) is used for through-connection between the internal cavity of the wiring frame (1) and the inside of the wiring harness distribution pipe (5); a joint valve port (10) is provided at the through-connection between the wiring frame (1) and the air guide pipe (9); the air guide pipe (9) is provided in two types: a single-tube straight-line arrangement and a double-tube "Y"-shaped arrangement; an air intake valve (12) and a pressure gauge (13) are provided on the left and right sides of the top of the wiring frame (1), respectively; an elastic member is also provided at the connection between the airbag assembly (8) and the back of the wiring frame (1).
2. A wiring mechanism for communication transmission equipment with various adjustments according to claim 1, characterized in that: The wiring harness distribution pipe (5) is arranged in a spiral structure, and the front and rear sides of the spiral wiring harness distribution pipe (5) are both provided with hard guide strips (501) with a spiral direction. The overall material of the wiring harness distribution pipe (5) is weak elastic plastic.
3. A wiring mechanism for communication transmission equipment with various adjustments according to claim 2, characterized in that: The wire harness gathering and arranging component comprises a connector (6) which is slidably installed and passes through the outer side of the wire harness distribution pipe (5), and sliding beads (601) are embedded and installed on the front and rear sides of the inner wall of the connector (6), and an outer frame (602) is fixed on the left and right outer walls of the connector (6), and an elastic band (603) is arranged inside the outer frame (602).
4. A wiring mechanism for communication transmission equipment with various adjustments according to claim 3, characterized in that: The inner wall of the connector (6) is in contact with the outer wall of the harness distribution pipe (5), and the sliding bead (601) is connected to the outer wall of the hard guide strip (501) in a sliding manner; A permanent magnet is fixed at the lower end of the harness distribution pipe (5), and the permanent magnet is magnetically positioned with the bottom of the connector (6).
5. The wiring mechanism for communication transmission equipment with various adjustments according to claim 1, characterized in that: The wiring harness distribution pipe (5) is arranged in a hollow cylindrical structure, wherein inner support bars (502) are embedded and installed inside the left and right sides of the cylindrical wiring harness distribution pipe (5), and inner support frames (503) are fixed between the symmetrically distributed inner support bars (502); The inner support strip (502) is arranged in an arc shape, and the overall material of the outer side of the wiring harness distribution pipe (5) is weak elastic plastic.
6. A wiring mechanism for communication transmission equipment with various adjustments according to claim 5, characterized in that: The wire harness gathering and arranging assembly comprises a sliding ring (7) vertically slidably installed on the outer side of the wire harness distribution pipe (5), a movable ring (701) is movably installed on the outer side of the sliding ring (7), a positioning clamp (702) is fixed on the outer wall of the movable ring (701), and the positioning clamp (702) is used for positioning and clamping the guide wire harness.
7. A wiring mechanism for communication transmission equipment with various adjustments according to claim 6, characterized in that: The sliding ring (7) is arranged in an "I"-shaped structure, and the connection point between the outer wall of the sliding ring (7) and the inner wall of the movable ring (701) is in contact with each other, and the outer wall of the sliding ring (7) and the inner wall of the movable ring (701) are both arranged magnetically; A permanent magnet is fixed at the lower end of the harness distribution pipe (5), and the permanent magnet is magnetically positioned with the bottom of the sliding ring (7) and the movable ring (701).
Citation Information
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