Anti-electromagnetic interference cable

Abstract

The utility model discloses an anti-electromagnetic interference cable, a connecting mechanism comprises a splicing block, the top of the splicing block is provided with a first butt joint groove, the bottom of the splicing block is fixedly connected with a first butt joint block right below the first butt joint groove, the inner wall of the middle part of the splicing block is provided with a first threading port, and the inner wall of the middle part of the splicing block is provided with a second threading port. Sliding grooves are formed in the front surfaces of the splicing blocks, mounting frames are fixedly mounted at the ends, close to the splicing blocks, of the tops of the splicing blocks, movable grooves are formed in the inner walls of the mounting frames, balls are movably connected to the inner walls of the movable grooves, and one ends of the balls penetrate out of the movable grooves and are located outside the mounting frames. The cables penetrate through the first penetrating openings in the splicing blocks, the splicing blocks isolate intersection points of a strong current line and a weak current line, the influence of electromagnetic interference between different lines is reduced, the splicing blocks are connected through the first butt joint grooves and the first butt joint blocks, and the multiple cables are arranged in order through connection between the splicing blocks. And subsequent maintenance and overhaul are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of cable shielding, in particular to a cable for preventing electromagnetic interference. Background Art

[0002] EMI-resistant cables are designed to reduce interference from external electromagnetic fields on signal transmission. These cables usually have a metal shield, such as aluminum foil or copper mesh, to wrap the insulated conductor, and high-quality insulation materials, such as polyethylene or polyvinyl chloride. The shielding effectiveness of the cable measures its resistance to electromagnetic interference, and a good grounding system helps to exclude excess charge and electromagnetic interference.

[0003] In the prior art, when laying circuits, strong current lines and weak current lines may be cross-installed, and the large current inside the strong current line may affect the signal transmission of the weak current line. Therefore, an anti-electromagnetic interference cable is proposed to solve the above problem. Utility Model Content

[0004] The technical problem to be solved by the utility model is as follows: when laying circuits, strong current lines and weak current lines may be cross-installed, and the large current inside the strong current line may affect the signal transmission of the weak current line.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] An electromagnetic interference-proof cable comprises a cable body, a connecting mechanism is arranged on the outer side of the cable body, and a supporting mechanism is arranged above the connecting mechanism;

[0007] Also includes:

[0008] The connection mechanism comprises a splicing block, a docking groove is provided on the top of the splicing block, a docking block is fixedly connected to the bottom of the splicing block and is located directly below the docking groove, a through-hole is provided on the inner wall of the middle part of the splicing block, and a sliding groove is provided on the front surface of the splicing block;

[0009] A mounting frame is fixedly installed on the top of the splicing block and close to one end of the splicing block, a movable groove is opened on the inner wall of the mounting frame, a ball is movably connected to the inner wall of the movable groove, and one end of the ball passes through the movable groove and is located outside the mounting frame.

[0010] As a further solution of the utility model: the inner wall of the movable groove is slidably connected with a movable block, and the movable block is fixedly connected with an extrusion part on the side close to the ball, the upper end width of the extrusion part is smaller than the lower end width, and the single side of the extrusion part close to the ball is an inclined surface, and the extrusion part is located on one side of the inclined surface and is movably connected to the ball.

[0011] As a further solution of the utility model: a lever is fixedly installed on one end of the movable block away from the extrusion portion, one end of the lever passes through the movable groove and is located outside the mounting frame, one end of the lever located inside the movable groove is fixedly connected to a spring, and the other end of the spring is fixedly connected to the inside of the movable groove.

[0012] As a further solution of the utility model: the supporting mechanism includes a slider, a side wall of the slider is provided with a slot, a support plate is fixedly connected to the middle of the top of the slot, a support block is fixedly installed on the top of the support plate, one side of the surface of the support block is provided with a docking groove II, the other side of the surface of the support block is fixedly connected with a docking block II, and the middle of the docking block II is provided with a lead-in opening II.

[0013] As a further solution of the utility model: the cable body includes a conductor, a plurality of the conductors are provided, and the outer side of each conductor is wrapped and connected with an insulating layer, the outer sides of all the insulating layers are wrapped and connected with a braided layer, the outer side of the braided layer is covered with an isolation tape, and the outer side of the isolation tape is covered with an outer sheath.

[0014] As a further solution of the utility model: the inner wall of the first threading port is movably connected to the outer sheath, and the outer side of the first docking groove is fitted with the inner side of the first docking block.

[0015] As a further solution of the utility model: the outer wall of the sliding block is slidably connected to the inner side of the sliding groove, the inner wall of the clamping groove is clamped and connected to the ball, and the inner side of the second docking groove fits with the outer side of the second docking block.

[0016] Beneficial effects of the utility model:

[0017] (1) The utility model guides a pair of cables through the guide openings in the splicing block, and the splicing block isolates the intersection of the strong current line and the weak current line, thereby reducing the impact of electromagnetic interference between different lines;

[0018] (2) The splicing blocks are connected to each other through the docking groove 1 and the docking block 1, and through the connection between the splicing blocks, multiple cables are arranged neatly, which is convenient for subsequent maintenance and repair;

[0019] (3) The cables can be erected by the support plates and support blocks in the support mechanism, thereby ensuring the spacing between the strong current lines and the weak current lines, thereby reducing the electromagnetic interference between different lines. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described below in conjunction with the accompanying drawings.

[0021] Figure 1 It is a schematic diagram of the structure of the connecting mechanism in the utility model;

[0022] Figure 2 It is a schematic diagram of the internal structure of the splicing block in the utility model;

[0023] Figure 3 It is a schematic diagram of the internal structure of the installation frame in the utility model;

[0024] Figure 4 It is a schematic diagram of the overall structure of the support mechanism in the utility model;

[0025] Figure 5 It is a schematic diagram of the internal structure of the cable main body in the utility model.

[0026] In the figure: 1. Cable body; 101. Conductor; 102. Insulation layer; 103. Braided layer; 104. Isolation tape; 105. Outer sheath; 2. Connection mechanism; 201. Splicing block; 202. Docking slot 1; 203. Docking block 1; 204. Installation frame; 205. Movable slot; 206. Ball bearing; 207. Movable block; 208. Extrusion part; 209. Push rod; 210. Spring; 211. Lead-in port 1; 212. Slide slot; 3. Support mechanism; 301. Slider; 302. Slot; 303. Support plate; 304. Support block; 305. Docking block 2; 306. Docking slot 2; 307. Lead-in port 2. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] like Figure 1-5 As shown, an electromagnetic interference-proof cable comprises a cable body 1, a connecting mechanism 2 is arranged on the outer side of the cable body 1, and a supporting mechanism 3 is arranged above the connecting mechanism 2; wherein, the connecting mechanism 2 comprises a splicing block 201, a docking groove 202 is provided on the top of the splicing block 201, a docking block 203 is fixedly connected to the bottom of the splicing block 201 and located directly below the docking groove 202, a lead-through opening 211 is provided on the inner wall of the middle part of the splicing block 201, and a slide groove 212 is provided on the front surface of the splicing block 201; wherein, a mounting frame 204 is fixedly installed on the top of the splicing block 201 and close to one end of the splicing block 201, a movable groove 205 is provided on the inner wall of the mounting frame 204, a ball bearing 206 is movably connected to the inner wall of the movable groove 205, and one end of the ball bearing 206 passes through the movable groove 205 and is located outside the mounting frame 204, as shown in FIG. Figure 1As shown, different splicing blocks 201 are spliced ​​by inserting a docking block 203 into a docking groove 202;

[0029] The inner wall of the movable groove 205 is slidably connected with a movable block 207, and the movable block 207 is located on a side close to the ball 206 and is fixedly connected with an extrusion portion 208. The width of the upper end of the extrusion portion 208 is smaller than the width of the lower end, and the single side of the extrusion portion 208 close to the ball 206 is inclined. The extrusion portion 208 is located on one side of the inclined surface and is movably connected to the ball 206. Figure 3 As shown, the movable block 207 drives the extrusion portion 208 to move in the movable groove 205, so that after the extrusion portion 208 is separated from the ball 206, the ball 206 can move unidirectionally toward the extrusion portion 208 in the movable groove;

[0030] The movable block 207 is located at one end away from the extrusion portion 208 and is fixedly mounted with a lever 209. One end of the lever 209 passes through the movable groove 205 and is located outside the mounting frame 204. The end of the lever 209 located inside the movable groove 205 is fixedly connected to a spring 210. The other end of the spring 210 is fixedly connected to the inside of the movable groove 205. Figure 3 As shown, the spring 210 pushes the lever 209, driving the movable block 207 and the extrusion portion 208 to return to the movable groove 205, and maintaining the state where the extrusion portion 208 abuts against the ball 206;

[0031] The cable body 1 includes a conductor 101, a plurality of conductors 101 are provided, and the outer side of each conductor 101 is wrapped and connected with an insulating layer 102, the outer sides of all insulating layers 102 are wrapped and connected with a braided layer 103, the outer side of the braided layer 103 is covered with an isolation tape 104, and the outer side of the isolation tape 104 is covered with an outer sheath 105;

[0032] The supporting mechanism 3 includes a slider 301, a slot 302 is provided at one end of the side wall of the slider 301, a supporting plate 303 is fixedly connected to the middle of the top of the slot 302, a supporting block 304 is fixedly installed on the top of the supporting plate 303, a docking groove 2 306 is provided on one side of the surface of the supporting block 304, a docking block 2 305 is fixedly connected to the other side of the surface of the supporting block 304, a threading opening 2 307 is provided in the middle of the docking block 205, the inner wall of the threading opening 1 211 is movably connected to the outer sheath 105, the outer side of the docking groove 1 202 is matched with the inner side of the docking block 1 203, the outer wall of the slider 301 is slidably connected to the inner side of the slide groove 212, the inner wall of the slot 302 is engaged with the ball 206, the inner side of the docking groove 2 306 is matched with the outer side of the docking block 2 305, as shown in FIG. Figure 3 and Figure 4 As shown, the pressing portion 208 pushes one side of the ball 206 to be inserted into the slot 302 .

[0033] The working principle of this utility model:

[0034] When the device is in use, the cable body 1 is passed through the lead-in opening 211 of the splicing block 201 and then laid. Different splicing blocks 201 can be connected and assembled through the connection groove 202 and the connection block 203.

[0035] When it is necessary to cross-lay other high-voltage lines on the outside of the cable body 1, push the slider 301 into the slide groove 212 and push the lever 209. The movable block 207 moves in the movable groove 205, and the extrusion part 208 is separated from the ball 206. Then, when the slider 301 moves in the slide groove 212, it can push the ball 206 to retract into the movable groove 205. When the lever 209 is released, the spring 210 pushes the lever 209 and drives the movable block 207 to reset. The extrusion part 209 pushes one side of the ball 206 to extend out of the movable groove 205. The movable groove 205 is inserted into the slot 302 on the side of the slider 301. At this time, the movement of the slider 301 in the slide groove 212 is blocked. At this time, the external high-voltage cable can be inserted into the lead-in port 2 307.

[0036] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. An electromagnetic interference protection cable, comprising a cable body (1), a connecting mechanism (2) being arranged on the outer side of the cable body (1), and a supporting mechanism (3) being arranged above the connecting mechanism (2); It is characterized in that Also includes: The connection mechanism (2) comprises a splicing block (201), a docking groove (202) is provided on the top of the splicing block (201), a docking block (203) is fixedly connected to the bottom of the splicing block (201) and located directly below the docking groove (202), a threading opening (211) is provided on the inner wall of the middle part of the splicing block (201), and a sliding groove (212) is provided on the front surface of the splicing block (201); A mounting frame (204) is fixedly mounted on the top of the splicing block (201) and close to one end of the splicing block (201); a movable groove (205) is provided on the inner wall of the mounting frame (204); a ball bearing (206) is movably connected to the inner wall of the movable groove (205); one end of the ball bearing (206) passes through the movable groove (205) and is located outside the mounting frame (204).

2. The electromagnetic interference protection cable according to claim 1, characterized in that: The inner wall of the movable groove (205) is slidably connected to a movable block (207), and the movable block (207) is fixedly connected to a pressing portion (208) on a side close to the ball (206), the width of the upper end of the pressing portion (208) is smaller than the width of the lower end, and the single side of the pressing portion (208) close to the ball (206) is an inclined surface, and the pressing portion (208) is located on one side of the inclined surface and is movably connected to the ball (206).

3. The electromagnetic interference protection cable according to claim 2, characterized in that: A lever (209) is fixedly mounted on one end of the movable block (207) that is located away from the extrusion portion (208); one end of the lever (209) passes through the movable groove (205) and is located outside the mounting frame (204); one end of the lever (209) that is located inside the movable groove (205) is fixedly connected to a spring (210); the other end of the spring (210) is fixedly connected to the inside of the movable groove (205).

4. The anti-electromagnetic interference cable according to claim 1, characterized in that: The support mechanism (3) comprises a slider (301), a slot (302) is provided at one end of a side wall of the slider (301), a support plate (303) is fixedly connected to the middle of the top of the slot (302), a support block (304) is fixedly installed on the top of the support plate (303), a second docking slot (306) is provided on one side of the surface of the support block (304), a second docking block (305) is fixedly connected to the other side of the surface of the support block (304), and a second lead-through opening (307) is provided in the middle of the second docking block (305).

5. The anti-electromagnetic interference cable according to claim 1, characterized in that: The cable body (1) comprises a conductor (101), wherein a plurality of conductors (101) are provided, and the outer side of each conductor (101) is wrapped and connected with an insulating layer (102), the outer sides of all the insulating layers (102) are wrapped and connected with a braided layer (103), the outer side of the braided layer (103) is covered with an isolation tape (104), and the outer side of the isolation tape (104) is covered with an outer sheath (105).

6. The anti-electromagnetic interference cable according to claim 1, characterized in that: The inner wall of the insertion opening 1 (211) is movably connected to the outer sheath (105), and the outer side of the docking groove 1 (202) is fitted with the inner side of the docking block 1 (203).

7. The anti-electromagnetic interference cable according to claim 4, characterized in that: The outer wall of the sliding block (301) is slidably connected to the inner side of the sliding groove (212), the inner wall of the clamping groove (302) is clamped and connected to the ball (206), and the inner side of the second docking groove (306) is fitted with the outer side of the second docking block (305).

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