Anti-puncture shielding wire

Abstract

The invention discloses an anti-puncture shielding electric wire, and relates to the technical field of electric wires, the anti-puncture shielding electric wire comprises an electric wire body, the electric wire body is provided with an auxiliary mechanism, the auxiliary mechanism comprises a circular ring block and a circular ring groove, one side of the circular ring block is provided with two symmetrical rectangular grooves, the outer wall of the circular ring block is provided with two clamping holes, and the two clamping holes are communicated with the circular ring block. Two clamping holes are formed in the inner wall of each rectangular groove, two clamping blocks are arranged in each clamping hole, a first sliding groove is formed in the inner wall of each clamping hole, two sliding blocks are slidably connected to the interior of each first sliding groove, and a round rod is fixed to the interior of each rectangular groove; according to the invention, through the arrangement of the auxiliary mechanism, the anti-puncture shielding wire can have a rapid heat dissipation function, that is, the conditions that the insulation performance of the wire is affected, the service life of the wire is shortened and fire hazards are increased due to the fact that heat cannot be rapidly dissipated are avoided, the use effect of the anti-puncture shielding wire is improved, and the service life of the anti-puncture shielding wire is prolonged. And meanwhile, the use efficiency of the anti-puncture shielding wire is also improved.

Description

Technical Field

[0001] The invention relates to the technical field of electric wires, in particular to a puncture-proof shielded electric wire. Background Art

[0002] Wires, as key electrical equipment for transmitting electrical energy or electrical signals, play an indispensable role in the operation of modern society. They are usually composed of core parts such as conductors, insulation layers and protective layers. In practical applications, special scenarios such as medical equipment operation, aerospace operations and military communications have extremely high performance requirements for wires. Not only do they have strict requirements on the electromagnetic environment, they need to shield external interference and prevent internal signal leakage. They are also prone to the threat of sharp objects, causing wire puncture damage. Therefore, in order to meet the needs of these special scenarios, people usually use puncture-proof shielded wires.

[0003] In the prior art, although the existing puncture-proof shielded wires can ensure the safe transmission of power and signals in some special environments due to their puncture-proof and shielding properties, thereby ensuring the normal operation of the equipment, they do not have the function of rapid heat dissipation, that is, due to the strong electromagnetic field, the shielding layer inside the wire is prone to generate large eddy current losses, thereby causing the shielding layer to heat up. If the generated heat cannot be quickly dissipated, it is not only easy to affect the insulation performance of the wire and shorten the service life of the wire, but also easy to increase the fire hazard, which not only reduces the use effect of the puncture-proof shielded wire, but also reduces the use efficiency of the puncture-proof shielded wire.

[0004] Therefore, we propose a puncture-proof shielded electric wire to solve the problems raised in the above background technology. Summary of the invention

[0005] The purpose of the present invention is to provide a puncture-proof shielded electric wire to solve the problem that the existing puncture-proof shielded electric wire does not have the function of rapid heat dissipation, that is, due to the action of a strong electromagnetic field, the shielding layer inside the electric wire is prone to generate large eddy current losses, thereby causing the shielding layer to heat up. If the generated heat cannot be quickly dissipated, it will not only easily affect the insulation performance of the electric wire and shorten the service life of the electric wire, but also easily increase the fire hazard, which not only reduces the use effect of the puncture-proof shielded electric wire, but also reduces the use efficiency of the puncture-proof shielded electric wire.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: a puncture-proof shielded electric wire, comprising an electric wire body, on which an auxiliary mechanism is provided;

[0007] The auxiliary mechanism includes a circular ring block and a circular ring groove, one side of the circular ring block is provided with two symmetrical rectangular grooves, the outer wall of the circular ring block is provided with two clamping holes, each of the clamping holes is provided with two clamping blocks, the inner wall of each of the clamping holes is provided with a first slide groove, the interior of each of the first slide grooves is slidably connected with two sliding blocks, the interior of each of the rectangular grooves is fixed with a round rod, the outer surface of each of the round rods is movably sleeved with a spring, the outer wall of the circular ring block is fixedly embedded with two first magnetic blocks, the outer wall of the circular ring block is provided with two symmetrical heat sinks, the inner wall of each of the heat sinks is provided with two clamping grooves, the inner wall of each of the clamping grooves is provided with a second slide groove, the inner wall of each of the heat sinks is fixedly embedded with a second magnetic block, the interior of each of the rectangular grooves is provided with a rubber plug, and one side of each of the rubber plugs is provided with two auxiliary grooves.

[0008] Preferably, the annular block is fixed inside the annular groove, the interior of each rectangular groove is respectively connected to the interior of each clamping hole, and the surface of each clamping block is respectively fixed to the surface of each slider.

[0009] Preferably, the four blocks are divided into two groups, the movable ends of each group of blocks are slidably connected to the inside of each rectangular groove, and the two ends of each round rod are movably passed through the opposite side of each group of blocks.

[0010] Preferably, both ends of each spring are respectively installed on the opposite side of each group of blocks, the opposite sides of the two heat sinks are in contact with each other, the four card slots are divided into two groups, and the four second slide slots are divided into two groups.

[0011] Preferably, the clamping ends of each group of the clamping blocks are movably clamped inside each group of the clamping slots, and the four sliders are divided into two groups, and the opposite ends of each group of the sliders are movably clamped inside each group of the second sliding slots.

[0012] Preferably, the surface of each of the first magnetic blocks is in contact with the surface of each of the second magnetic blocks, and they are magnetically connected with different polarities, and the two ends of each of the rubber plugs are in contact with the opposite side of each group of card blocks.

[0013] Preferably, the electric wire body comprises two conductors, the outer surface of each conductor is provided with a mica tape, and the outer surface of each mica tape is provided with an insulating layer.

[0014] Preferably, a filling layer is arranged between the outer surfaces of the two insulating layers, and a lining layer is arranged on the outer surface of the filling layer.

[0015] Preferably, the outer surface of the inner lining layer is provided with a heat-resistant layer, the outer surface of the heat-resistant layer is provided with a waterproof layer, and the outer surface of the waterproof layer is provided with an anti-puncture layer.

[0016] Preferably, a shielding layer is provided on the outer surface of the puncture-proof layer, a sheath layer is provided on the outer surface of the shielding layer, and the annular groove is opened on the outer wall of the sheath layer.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The present invention, by providing an auxiliary mechanism, can allow the puncture-proof shielded wire to have the function of rapid heat dissipation, that is, to avoid the situation where the heat cannot be quickly dissipated, which affects the insulation performance of the wire, shortens the service life of the wire, and increases the fire hazard. It not only improves the use effect of the puncture-proof shielded wire, but also improves the use efficiency of the puncture-proof shielded wire. When it is necessary to remove the two heat sinks on the wire body, at this time, the rubber plug can be taken out from the inside of the rectangular groove by first using the prepared tool and the auxiliary groove, and then by using the cooperation of the circular groove, a force can be applied to each of the groups of blocks.

[0019] 2. The present invention utilizes the applied force, the cooperation of the rectangular groove and the card hole to drive the card block to move toward each other, and then utilizes the cooperation of the first slide groove and the card block that moves toward each other to drive a group of sliders to move toward each other. When a group of sliders are completely moved out from the corresponding second slide groove, a force is first applied to the heat sink to move the heat sink away from the circular ring block until the first magnetic block is separated from the second magnetic block. Then, the other heat sink can be removed by utilizing the cooperation of the above operation steps. When the two heat sinks need to be reset to their original positions, the above operation steps can be directly used to perform the reverse operation to reset the two heat sinks to their original positions.

[0020] 3. The present invention, by providing a wire body, can reduce the probability of damage to the inside of the wire body, thereby extending the overall service life of the wire body, and at the same time can also increase the accuracy and stability of signal transmission inside the wire body. Through the action of the sheath layer, the wire body can be protected from corrosion by external chemical substances, thereby extending the service life of the wire body in harsh environments. Through the action of the shielding layer, external electromagnetic interference signals can be blocked outside the wire body, so that the signals or electric energy transmitted inside the wire body are not affected, thereby ensuring the accuracy and stability of signal transmission. Through the action of the anti-puncture layer, the wire body can be prevented from being scratched or punctured by building materials or tools, thereby reducing the probability of damage to the wire body, thereby extending the overall service life of the wire body. Through the action of the waterproof layer, the wire body can better adapt to environmental conditions and resist long-term erosion by moisture, thereby improving the environmental adaptability and reliability of the wire body.

[0021] 4. The present invention, through the action of the heat-resistant layer, can make the wire body adapt to high temperature environment, maintain stable performance, and expand the application range of the wire body. Through the action of the lining layer, it can play a buffering effect to prevent the insulation layer inside the wire body from being damaged by mechanical external force. Through the action of the filling layer, it can disperse the stress and reduce the pressure and tension on the conductor inside the wire body, thereby reducing the risk of conductor damage due to external force. Through the action of the insulating layer, it can help regulate and balance the electric field distribution between the conductors to make the electric field more uniform, thereby improving the electrical performance and operating stability of the wire body. Through the action of the mica tape, it can supplement and strengthen the insulation effect to prevent current leakage and short circuit. Through the action of the conductor, it can provide a path for the current, so that the charge can move in a direction in the circuit, thereby realizing the transmission and distribution of electric energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A three-dimensional diagram of a puncture-proof shielded electric wire of the present invention;

[0023] Figure 2 A schematic diagram of the structure of a wire body of a puncture-proof shielded wire of the present invention;

[0024] Figure 3 A partially cutaway perspective view of an auxiliary mechanism of a puncture-proof shielded electric wire of the present invention;

[0025] Figure 4 A partially cutaway perspective view of an auxiliary mechanism of an anti-puncture shielded electric wire of the present invention from another angle;

[0026] Figure 5 It is a partial cross-sectional structural schematic diagram of an auxiliary mechanism of a puncture-proof shielded electric wire of the present invention;

[0027] Figure 6 A partial three-dimensional diagram of an auxiliary mechanism of a puncture-proof shielded electric wire of the present invention;

[0028] Figure 7 A partial three-dimensional view from another angle of an auxiliary mechanism of a puncture-proof shielded electric wire of the present invention;

[0029] Figure 8 Another partial cutaway perspective view of an auxiliary mechanism of a puncture-proof shielded electric wire of the present invention;

[0030] Fig. 9 The figure is a schematic structural diagram of a puncture-proof shielded electric wire of the present invention.

[0031] In the figure: 1. wire body; 101. conductor; 102. mica tape; 103. insulation layer; 104. filling layer; 105. lining layer; 106. heat-resistant layer; 107. waterproof layer; 108. puncture-proof layer; 109. shielding layer; 110. sheath layer; 2. auxiliary mechanism; 201. annular block; 202. annular groove; 203. rectangular groove; 204. clamping hole; 205. first slide groove; 206. clamping block; 207. slider; 208. round rod; 209. spring; 210. first magnetic block; 211. heat sink; 212. clamping groove; 213. second slide groove; 214. second magnetic block; 215. rubber plug; 216. auxiliary groove. DETAILED DESCRIPTION

[0032] 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 implementation regulations described 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.

[0033] Example 1: Please refer to Figure 1-Figure 9 As shown, the present invention provides a technical solution: a puncture-proof shielded electric wire, comprising an electric wire body 1, on which an auxiliary mechanism 2 is arranged;

[0034] The auxiliary mechanism 2 includes a circular ring block 201 and a circular ring groove 202. Two symmetrical rectangular grooves 203 are provided on one side of the circular ring block 201. Two clamping holes 204 are provided on the outer wall of the circular ring block 201. Two clamping blocks 206 are provided inside each clamping hole 204. A first sliding groove 205 is provided on the inner wall of each clamping hole 204. Two sliders 207 are slidably connected inside each first sliding groove 205. A round rod 208 is fixed inside each rectangular groove 203. A spring 209 is movably sleeved on the outer surface of each round rod 208. Two first magnetic blocks 210 are fixedly embedded on the outer wall of the block 201, two symmetrical heat sinks 211 are arranged on the outer wall of the annular block 201, two slots 212 are arranged on the inner wall of each heat sink 211, a second slide slot 213 is arranged on the inner wall of each slot 212, a second magnetic block 214 is fixedly embedded on the inner wall of each heat sink 211, a rubber plug 215 is arranged inside each rectangular groove 203, two auxiliary grooves 216 are arranged on one side of each rubber plug 215, and the annular block 201 is fixed inside the annular groove 202. The interior of each rectangular groove 203 is respectively connected to the interior of each card hole 204, the surface of each card block 206 is respectively fixed to the surface of each slider 207, the four card blocks 206 are divided into two groups, the moving end of each group of card blocks 206 is respectively slidably connected to the interior of each rectangular groove 203, the two ends of each round rod 208 are respectively movable through the opposite side of each group of card blocks 206, the two ends of each spring 209 are respectively installed with the opposite side of each group of card blocks 206, the opposite sides of the two heat sinks 211 are in contact, and the four card slots 212 are divided into The four second slide grooves 213 are divided into two groups, and the clamping ends of each group of clamping blocks 206 are movably clamped in the interior of each group of clamping grooves 212. The four sliders 207 are divided into two groups, and the opposite ends of each group of sliders 207 are movably clamped in the interior of each group of second slide grooves 213. The surface of each first magnetic block 210 is in contact with the surface of each second magnetic block 214, and they are magnetically connected with different polarities. The two ends of each rubber plug 215 are in contact with the opposite side of each group of clamping blocks 206, and the annular groove 202 is opened on the outer wall of the sheath layer 110.

[0035] In this embodiment, when it is necessary to remove the two heat sinks 211 on the wire body 1, the two rubber plugs 215 are first taken out from the corresponding rectangular grooves 203 by using the prepared tools and the four auxiliary grooves 216. At this time, the two rubber plugs 215 taken out will be separated from the corresponding group of card blocks 206. Then, by using the cooperation of the annular groove 202, a force is applied to each group of card blocks 206, so that the group of card blocks 206 moves toward each other between the corresponding rectangular groove 203, the corresponding card hole 204 and the corresponding group of card grooves 212. At this time, the group of card blocks 206 moving toward each other will be Under the cooperation of the corresponding rectangular groove 203 and the corresponding round rod 208, the corresponding spring 209 is elastically deformed, and the group of blocks 206 moving toward each other will drive the corresponding group of sliders 207 to move toward each other between the corresponding first slide groove 205 and the corresponding group of second slide grooves 213. When the clamping ends of the group of blocks 206 are separated from the corresponding group of slots 212, the corresponding group of sliders 207 will separate from the corresponding group of second slide grooves 213, and the movement of the group of blocks 206 will be stopped at the same time. At this time, the group of blocks 206 that stop moving will cause the corresponding group of sliders 207 stops moving, and then applies a force to the corresponding heat sink 211, so that the heat sink 211 moves away from the circular ring block 201. At this time, the moving heat sink 211 will drive the corresponding second magnetic block 214 to move. When the moving heat sink 211 separates from the other heat sink 211, the moving second magnetic block 214 will separate from the corresponding first magnetic block 210. Then, the heat sink 211 can be directly removed, and then the force applied to the two clamping blocks 206 is released. At this time, the two clamping blocks 206 will be in the corresponding rectangular groove 203, the corresponding clamping hole 204, and the corresponding round rod 20 8 and the corresponding spring 209 rebound force, perform reset movement, at this time, the block 206 that performs reset movement will drive the corresponding two sliders 207 to reset movement with the cooperation of the corresponding first slide groove 205, when the two blocks 206 are reset back to the original position, the two blocks 206 will stop moving, and the two stopped blocks 206 will make the corresponding two sliders 207 stop moving, and then follow the above-mentioned operating steps to remove the other heat sink 211, when it is necessary to reset the two heat sinks 211 to the original position, directly follow the above-mentioned operating steps to perform the reverse operation.

[0036] Embodiment 2: According to Figure 1 , Figure 2 and Fig. 9As shown, the wire body 1 includes two conductors 101, each conductor 101 is provided with a mica tape 102 on its outer surface, each mica tape 102 is provided with an insulating layer 103 on its outer surface, a filling layer 104 is provided between the outer surfaces of the two insulating layers 103, an inner lining layer 105 is provided on its outer surface, a heat-resistant layer 106 is provided on its outer surface, a waterproof layer 107 is provided on its outer surface, a puncture-proof layer 108 is provided on its outer surface, a shielding layer 109 is provided on its outer surface, and a sheath layer 110 is provided on its outer surface.

[0037] In this embodiment, when the wire body 1 needs to be used in an environment where chemical corrosive substances exist, the sheath layer 110 can resist the erosion of the wire body 1 by these chemical substances, thereby extending the service life of the wire body 1 in harsh environments. When the wire body 1 needs to be used in a complex electromagnetic environment, the shielding layer 109 can block the external electromagnetic interference signal outside the wire body 1, so that the signal or electric energy transmitted inside the wire body 1 is not affected, thereby ensuring the accuracy and stability of signal transmission. When the wire body 1 needs to be used at a construction site, the puncture-proof layer 108 can prevent the wire body 1 from being scratched or punctured by building materials or tools, thereby reducing the probability of damage to the wire body 1, thereby extending the overall service life of the wire body 1. When the wire body 1 needs to be used in a humid and rainy environment, the waterproof layer 107 can be used to allow the wire body 1 to better adapt to environmental conditions and resist long-term erosion of moisture, thereby improving the environmental adaptability and reliability of the wire body 1. When the wire body 1 needs to be used in a high temperature environment, the heat-resistant layer 10 6, the wire body 1 can adapt to high temperature environment, maintain stable performance, and expand the application range of the wire body 1. When the wire body 1 needs to be installed, the inner lining layer 105 can play a buffering effect to prevent the insulating layer 103 inside the wire body 1 from being damaged by mechanical external force. When the wire body 1 is subjected to external force, the filling layer 104 can disperse the stress and reduce the pressure and tension on the conductor 101 inside the wire body 1, thereby reducing the risk of damage to the conductor 101 due to external force. When the wire body 1 is in use, At this time, the insulating layer 103 can help regulate and balance the electric field distribution between the conductors 101, making the electric field more uniform, thereby improving the electrical performance and operating stability of the wire body 1. When the insulating layer 103 of the wire body 1 is damaged or has weak points, the mica tape 102 can be used to supplement and strengthen the insulation effect to prevent current leakage and short circuit. When the wire body 1 needs to be used, the conductor 101 can provide a path for the current, allowing the charge to move in a directed manner in the circuit, thereby realizing the transmission and distribution of electrical energy.

[0038] The effect and working principle of the whole mechanism are as follows: when it is necessary to remove the two heat sinks 211 on the wire body 1, the two rubber plugs 215 are first taken out from the corresponding rectangular grooves 203 by using the prepared tools and the four auxiliary grooves 216. At this time, the two rubber plugs 215 taken out will be separated from the corresponding group of card blocks 206. Then, by using the cooperation of the annular groove 202, a force is applied to each group of card blocks 206, so that this group of card blocks 206 moves toward each other between the corresponding rectangular groove 203, the corresponding card hole 204 and the corresponding group of card grooves 212. At this time, the group of card blocks 206 moving toward each other will be in the corresponding rectangular groove 203 and the corresponding round rod 208. When the clamping ends of the block 206 are separated from the corresponding group of slots 212, the corresponding group of sliders 207 are separated from the corresponding group of second slots 213, and the movement of the block 206 is stopped. At this time, the block 206 that stops moving will cause the corresponding group of sliders 207 to stop moving, and then a force is applied to the corresponding heat sink 211, so that the heat sink 211 moves away from the circular block 201. At this time, The moving heat sink 211 will drive the corresponding second magnetic block 214 to move. When the moving heat sink 211 is separated from the other heat sink 211, the moving second magnetic block 214 will be separated from the corresponding first magnetic block 210. Then the heat sink 211 can be directly removed, and then the force applied to the two clamping blocks 206 is released. At this time, the two clamping blocks 206 will be reset under the cooperation of the corresponding rectangular groove 203, the corresponding clamping hole 204, the corresponding round rod 208 and the corresponding spring 209 rebound force. At this time, the clamping block 206 that is reset will drive the corresponding two sliders 207 to reset with the cooperation of the corresponding first slide groove 205. When the two clamping blocks 206 are reset, When the two heat sinks 211 return to their original positions, the two card blocks 206 will stop moving. At this time, the two card blocks 206 that have stopped moving will cause the corresponding two sliders 207 to stop moving. Then, follow the above-mentioned operating steps to remove the other heat sink 211. When the two heat sinks 211 need to be reset to their original positions, just follow the above-mentioned operating steps to perform the reverse operation. When the wire body 1 needs to be used in an environment where chemical corrosive substances exist, the sheath layer 110 can resist the erosion of these chemicals on the wire body 1, thereby extending the service life of the wire body 1 in harsh environments. When the wire body 1 needs to be used in a complex electromagnetic environment, the shielding layer 109 can be used toThe external electromagnetic interference signal is blocked outside the wire body 1, so that the signal or electric energy transmitted inside the wire body 1 is not affected, thereby ensuring the accuracy and stability of signal transmission. When the wire body 1 needs to be used at a construction site, the anti-puncture layer 108 can prevent the wire body 1 from being scratched or punctured by building materials or tools, thereby reducing the probability of damage to the wire body 1, thereby extending the overall service life of the wire body 1. When the wire body 1 needs to be used in a humid and rainy environment, the waterproof layer 107 can be used to allow the wire body 1 to better adapt to environmental conditions and resist long-term erosion by moisture, thereby improving the environmental adaptability and reliability of the wire body 1. When the wire body 1 needs to be used in a high temperature environment, the heat-resistant layer 106 can be used to enable the wire body 1 to adapt to the high temperature environment and maintain stable performance, thereby expanding the application range of the wire body 1. When the wire body 1 needs to be installed for wiring, Under the action of the inner lining layer 105, a buffering effect is achieved to prevent the insulating layer 103 inside the wire body 1 from being damaged by mechanical external forces. When the wire body 1 is subjected to external forces, the filling layer 104 can disperse the stress and reduce the pressure and tension on the conductor 101 inside the wire body 1, thereby reducing the risk of the conductor 101 being damaged by external forces. When the wire body 1 is in use, the insulating layer 103 can help regulate and balance the electric field distribution between the conductors 101, making the electric field more uniform, thereby improving the electrical performance and operating stability of the wire body 1. When the insulating layer 103 of the wire body 1 is damaged or has weak points, the mica tape 102 can supplement and strengthen the insulation effect to prevent current leakage and short circuit. When the wire body 1 needs to be used, the conductor 101 can provide a path for the current, so that the charge can move in a directional manner in the circuit, thereby realizing the transmission and distribution of electric energy.

[0039] The heat sink 211 is an arc-shaped heat sink.

[0040] Among them, Figure 1 The wire body 1 shown is a part of the wire, and a plurality of auxiliary mechanisms 2 are evenly distributed on the entire wire.

[0041] Among them, the sheath layer 110 is made of polyvinyl chloride material, the shielding layer 109 is made of aluminum foil material, the anti-puncture layer 108 is made of polyethylene material, the waterproof layer 107 is made of aluminum-plastic composite tape material, the heat-resistant layer 106 is made of EPDM rubber material, the lining layer 105 is made of polyvinyl chloride material, the filling layer 104 is made of rubber strip material, the insulating layer 103 is made of EPDM rubber material, the mica tape 102 is made of phlogopite paper material and glass fiber cloth material, and the conductor 101 is made of copper material.

[0042] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A puncture-proof shielded electric wire, characterized in that: It comprises an electric wire body (1), on which an auxiliary mechanism (2) is arranged; The auxiliary mechanism (2) comprises a circular ring block (201) and a circular ring groove (202); one side of the circular ring block (201) is provided with two symmetrical rectangular grooves (203); the outer wall of the circular ring block (201) is provided with two clamping holes (204); each of the clamping holes (204) is provided with two clamping blocks (206); the inner wall of each of the clamping holes (204) is provided with a first sliding groove (205); the interior of each of the first sliding grooves (205) is slidably connected with two sliding blocks (207); the interior of each of the rectangular grooves (203) is fixed with a round rod (208); the outer surface of each of the round rods (208) is movable. The movable sleeve is connected with a spring (209); two first magnetic blocks (210) are fixedly embedded on the outer wall of the annular block (201); two symmetrical heat sinks (211) are arranged on the outer wall of the annular block (201); two clamping grooves (212) are arranged on the inner wall of each heat sink (211); a second sliding groove (213) is arranged on the inner wall of each clamping groove (212); a second magnetic block (214) is fixedly embedded on the inner wall of each heat sink (211); a rubber plug (215) is arranged inside each rectangular groove (203); and two auxiliary grooves (216) are arranged on one side of each rubber plug (215).

2. The puncture-proof shielded electric wire according to claim 1, characterized in that: The annular block (201) is fixed inside the annular groove (202), the interior of each rectangular groove (203) is respectively connected to the interior of each clamping hole (204), and the surface of each clamping block (206) is respectively fixed to the surface of each slider (207).

3. The puncture-proof shielded electric wire according to claim 1, characterized in that: The four card blocks (206) are divided into two groups, and the movable ends of each group of card blocks (206) are respectively slidably connected to the inside of each rectangular groove (203), and the two ends of each round rod (208) are respectively movable and penetrate the opposite side of each group of card blocks (206).

4. The puncture-proof shielded electric wire according to claim 1, characterized in that: The two ends of each spring (209) are respectively mounted on the opposite side of each group of clamping blocks (206), the opposite sides of the two heat sinks (211) are in contact with each other, the four clamping slots (212) are divided into two groups, and the four second sliding slots (213) are divided into two groups.

5. The puncture-proof shielded electric wire according to claim 1, characterized in that: The clamping ends of each group of the clamping blocks (206) are movably clamped in the interior of each group of the clamping slots (212), and the four sliders (207) are divided into two groups, and the opposite ends of each group of the sliders (207) are movably clamped in the interior of each group of the second sliding slots (213).

6. The puncture-proof shielded electric wire according to claim 1, characterized in that: The surface of each of the first magnetic blocks (210) is in contact with the surface of each of the second magnetic blocks (214) and is magnetically connected with different polarities, and the two ends of each of the rubber plugs (215) are in contact with the opposite side of each group of card blocks (206).

7. The puncture-resistant shielded electric wire according to claim 1, characterized in that: The electric wire body (1) comprises two conductors (101), the outer surface of each conductor (101) is provided with a mica tape (102), and the outer surface of each mica tape (102) is provided with an insulating layer (103).

8. The puncture-proof shielded electric wire according to claim 7, characterized in that: A filling layer (104) is provided between the outer surfaces of the two insulating layers (103), and an inner lining layer (105) is provided on the outer surface of the filling layer (104).

9. The puncture-proof shielded electric wire according to claim 8, characterized in that: The outer surface of the inner lining layer (105) is provided with a heat-resistant layer (106), the outer surface of the heat-resistant layer (106) is provided with a waterproof layer (107), and the outer surface of the waterproof layer (107) is provided with an anti-puncture layer (108).

10. The puncture-proof shielded electric wire according to claim 9, characterized in that: The outer surface of the puncture-proof layer (108) is provided with a shielding layer (109), the outer surface of the shielding layer (109) is provided with a sheath layer (110), and the annular groove (202) is opened on the outer wall of the sheath layer (110).

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