Plastic sheath for wires and cables

Abstract

The utility model discloses a wire and cable plastic sheath, and relates to the technical field of plastic sheaths, the wire and cable plastic sheath comprises a lantern ring, the outer wall of the lantern ring is provided with a fixing mechanism, and the inner wall of the lantern ring is provided with a rapid connecting mechanism. At the moment, two second sliding blocks on the outer wall of a third plastic sheath can be inserted into two second sliding grooves, primary positioning and fixing can be completed, then a lantern ring is attached to the joint of the first plastic sheath and the third plastic sheath, then a connecting rod is matched with a threaded shaft to be screwed into the lantern ring, then a pressing plate is pressed downwards, and the first plastic sheath and the second plastic sheath are fixed. At the moment, a pressing plate drives a first rotating block to move downwards, then the first rotating block extrudes a movable lantern ring and enables the movable lantern ring to rotate on the surface of a first fixing shaft, then the movable lantern ring is gradually buckled inwards, the bottom of the pressing plate part makes contact with the surface of the movable lantern ring, and at the moment, a first inserting rod can be inserted into the movable lantern ring and a first inserting groove.

Description

TECHNICAL FIELD

[0001] The utility model belongs to plastic sheath technical field, especially relate to a plastic sheath of wire and cable. BACKGROUND

[0002] The plastic sheath of wire and cable is an external covering layer for protecting the internal conductor of the wire from the external environment, and its main material is PVC, PE, XLPE and other plastics, which is covered on the surface of the conductor through an extrusion process. The sheath has the properties of waterproof, corrosion resistance and abrasion resistance, effectively prolongs the service life of the cable, and ensures the safety and reliability of power transmission.

[0003] When the two plastic sheaths are butt jointed, the improper operation may cause the gap at the joint of the plastic sheaths, which exposes the internal cable to the external environment, increases the risk of moisture, corrosion and mechanical damage, which not only affects the service life of the cable, but also may cause unstable power transmission. Therefore, the utility model provides a plastic sheath of wire and cable. UTILITY MODEL CONTENTS

[0004] The utility model discloses a plastic sheath of wire and cable, which is characterized in that a sleeve ring is sleeved on the joint of the two plastic sheaths, and the sleeve ring is tightened and fixed by pulling the pressing plate to the one side, thereby solving the problem that the improper operation may cause the gap at the joint of the plastic sheaths when the two plastic sheaths are butt jointed, which exposes the internal cable to the external environment and increases the risk of moisture, corrosion and mechanical damage.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model discloses a plastic sheath of wire and cable, which is characterized in that a sleeve ring is sleeved on the joint of the two plastic sheaths, and the sleeve ring is tightened and fixed by pulling the pressing plate to the one side, thereby solving the problem that the improper operation may cause the gap at the joint of the plastic sheaths when the two plastic sheaths are butt jointed, which exposes the internal cable to the external environment and increases the risk of moisture, corrosion and mechanical damage.

[0007] The fixing mechanism comprises a fixed shaft one, the outer surface of the fixed shaft one is fixedly connected with the inner wall of the sleeve ring, the outer surface of the fixed shaft one is rotatably connected with a movable sleeve ring, the inner wall of the movable sleeve ring is rotatably connected with a fixed shaft two at the end away from the fixed shaft one, and the outer wall of the fixed shaft two is fixedly connected with a rotating block one.

[0008] The outer wall of the rotating block one is fixedly connected with a pressing plate, the pressing plate is internally provided with a slot one, the inner wall of the movable sleeve ring is slidably connected with a plug rod one, the outer surface of the plug rod one is slidably connected with the inner wall of the slot one, the inner wall of the rotating block one is rotatably connected with a fixed shaft three, the outer surface of the fixed shaft three is fixedly connected with a connecting rod, the inner wall of the connecting rod is threadedly connected with a threaded shaft at the end away from the rotating block one, and the outer surface of the threaded shaft is rotatably connected with the inner wall of the sleeve ring.

[0009] Further, the quick connecting mechanism comprises a plastic sheath one, an outer surface of the plastic sheath one is slidably connected with an inner wall of the sleeve ring, and an inner wall of the plastic sheath one is slidably connected with an electric wire.

[0010] Further, an outer wall of the plastic sheath one is fixedly connected with a fixed block two, an inside of the plastic sheath one is provided with a slot two, and the inside of the plastic sheath one is provided with a sliding groove two, and an inner wall of the sliding groove two is slidably connected with a sliding block two.

[0011] Further, an inner wall of the sliding block two is fixedly connected with a plastic sheath three, the inside of the plastic sheath one is provided with a sliding groove one, and an inner wall of the sliding groove one is slidably connected with a sliding block one.

[0012] Further, an inner wall of the sliding block one is fixedly connected with an extension rod, an outer surface of the extension rod is sleeved with an extension spring two, and an outer wall of the extension rod is fixedly connected with a plug rod two.

[0013] Further, an outer wall of the extension spring two is fixedly connected with an inner wall of the plug rod two, an outer surface of the plug rod two is slidably connected with an inner wall of the slot two, a bottom of the sliding block one is fixedly connected with a plastic sheath two, an outer wall of the plastic sheath two is fixedly connected with a fixed block one, and an inner wall of the fixed block one is slidably connected with a pull rod.

[0014] Further, an outer wall of the pull rod is fixedly connected with a connecting plate, an outer wall of the connecting plate is fixedly connected with a plug rod three, an outer surface of the plug rod three is sleeved with an extension spring one, and an outer wall of the extension spring one is fixedly connected with a limiting block away from the connecting plate.

[0015] Further, an inner wall of the limiting block is fixedly connected with an outer surface of the plug rod three, an outer surface of the plug rod three is slidably connected with an inner wall of the fixed block two, and the outer surface of the plug rod three is slidably connected with an inner wall of the fixed block one.

[0016] The utility model has the following beneficial effects:

[0017] 1. The utility model discloses a press plate is set up, when needing to splice two assembled sheaths, at the moment, two sliding blocks no. 2 of plastic sheath three outer walls can be inserted into two sliding grooves no. 2 inside, can complete primary positioning and fixed, then the connecting rod is screwed into the ring inside with thread shaft, then press the press plate, at this moment, the press plate will drive the rotating block no. 1 downward movement, then the rotating block no. 1 will extrude the movable ring and make it rotate on the fixed shaft no. 1 surface, then the movable ring will gradually tighten inward, and the press plate part bottom will contact the movable ring surface, at this moment, the insertion rod no. 1 can be inserted into the movable ring inside and the insertion groove no. 1, can fix the press plate, to complete splicing, and the simple and convenient splicing and fixed of sheath are realized, can ensure that the connection is stable and the sealing property is good, avoids the complex operation step, improves the splicing efficiency and the connection stability, has strong practicality.

[0018] 2. The utility model discloses an insertion rod no. 2 is set up, when needing to assemble plastic sheath no. 1 and plastic sheath no. 2, at the moment, the insertion rod no. 2 of two sides sliding block no. 1 surface protruding is pressed, at this moment, the extension spring no. 2 will be compressed, then the insertion rod no. 2 will shrink to the inner wall of sliding block no. 1, at this moment, sliding block no. 1 is inserted into the sliding groove no. 1 in plastic sheath no. 1, and the pull rod can be pulled simultaneously, then the pull rod will drive the connecting plate to move and drive both sides insertion rod no. 3 to move, at this moment, sliding block no. 1 will reach the top of sliding groove no. 1, then sliding block no. 1 will be driven by the extension spring no. 2 and reset and protrude from the insertion groove no. 2, can complete primary fixed, when plastic sheath no. 1 and plastic sheath no. 2 merge, at the moment, fixed block no. 2 and fixed block no. 1 will be attached, then the pull rod is loosened, then the extension spring no. 1 resets and drives insertion rod no. 3 to insert fixed block no. 2 and fixed block no. 1, to complete secondary fixing, thereby the assembly process of plastic sheath no. 1 and plastic sheath no. 2 is simplified, the structure is reasonable, and the operation is simple, thereby the firmness and stability of assembly are ensured, the efficiency is improved, and the labor cost is reduced.

[0019] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description only are some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not creating the labor, still can obtain other drawings according to these drawings.

[0021] Figure 1 It is the whole structure schematic diagram of the utility model;

[0022] Figure 2The pressing plate structure schematic view of the utility model;

[0023] Figure 3 The plug rod two structure schematic view of the utility model;

[0024] Figure 4 The connecting plate structure schematic view of the utility model;

[0025] Figure 5 The explosion schematic view of the sliding block one structure of the utility model;

[0026] Figure 6 The telescopic spring two structure schematic view of the utility model;

[0027] Figure 7 The explosion schematic view of the sliding block two structure of the utility model.

[0028] In the drawings, the component list represented by each sign is as follows:

[0029] 1, fixed mechanism;101, thimble;102, movable thimble;103, fixed shaft one;104, fixed shaft two;105, rotating block one;106, pressing plate;107, plug rod one;108, insertion slot one;109, threaded shaft;110, connecting rod;111, fixed shaft three;2, quick connecting mechanism;201, electric wire;202, plastic sheath one;203, plastic sheath two;204, plastic sheath three;205, plug rod two;206, fixed block one;207, fixed block two;208, pull rod;209, connecting plate;210, telescopic spring one;211, plug rod three;212, limit block;213, sliding groove one;214, insertion slot two;215, sliding block one;216, sliding groove two;217, telescopic rod;218, telescopic spring two;219, sliding block two. Specific implementation

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Please refer to Figures 1-7 The utility model discloses a plastic sheath for electric wire and cable, which comprises a thimble 101, a fixed mechanism 1 is arranged on the outer wall of the thimble 101, and a quick connecting mechanism 2 is arranged on the inner wall of the thimble 101.

[0032] The fixing mechanism 1 comprises a fixed shaft 103, the outer surface of the fixed shaft 103 is fixedly connected with the inner wall of the sleeve ring 101, the outer surface of the fixed shaft 103 is rotatably connected with a movable sleeve ring 102, the inner wall of the movable sleeve ring 102 away from one end of the fixed shaft 103 is rotatably connected with a fixed shaft 104, the outer wall of the fixed shaft 104 is fixedly connected with a rotating block 105, the outer wall of the rotating block 105 is fixedly connected with a pressing plate 106, the pressing plate 106 can be pressed downward to drive the rotating block 105 to press downward, then the rotating block 105 will rotate on the surface of the fixed shaft 104, at the same time the connecting rod 110 will rotate on the surface of the fixed shaft 111 and the threaded shaft 109, then the movable sleeve ring 102 will be squeezed by the rotating block 105 and buckled inward, at this time the part of the bottom of the pressing plate 106 will be close to the surface of the movable sleeve ring 102, so as to reinforce the connection between the plastic sheath 202 and the plastic sheath 204, so as to realize the reinforcement of the connection, effectively improve the stability of the connection, ensure the sealing and safety between the sheaths, the pressing plate 106 is provided with a slot 108, the inner wall of the movable sleeve ring 102 is slidably connected with a plug rod 107, the plug rod 107 can be inserted into the slot 108 when the pressing plate 106 contacts the surface of the movable sleeve ring 102, so as to reinforce it again and further improve the stability, the outer surface of the plug rod 107 is slidably connected with the inner wall of the slot 108, the inner wall of the rotating block 105 is rotatably connected with a fixed shaft 111, the outer surface of the fixed shaft 111 is fixedly connected with a connecting rod 110, the inner wall of the connecting rod 110 away from one end of the rotating block 105 is threadedly connected with a threaded shaft 109, the threaded shaft 109 can be disassembled through the threaded connection between the threaded shaft 109 and the connecting rod 110, so as to facilitate the fixation of the connection, the outer surface of the threaded shaft 109 is rotatably connected with the inner wall of the sleeve ring 101, the quick connection mechanism 2 comprises a plastic sheath 202, the outer surface of the plastic sheath 202 is slidably connected with the inner wall of the sleeve ring 101, the inner wall of the plastic sheath 202 is slidably connected with a wire 201, the outer wall of the plastic sheath 202 is fixedly connected with a fixed block 207, the plastic sheath 202 is provided with a slot 214, the plastic sheath 202 is provided with a sliding groove 216, the inner wall of the sliding groove 216 is slidably connected with a sliding block 219, the sliding groove 216 can be provided to accurately position the plastic sheath 202 and the plastic sheath 204 when they are connected, and also can ensure the sealing.

[0033] The inner wall of the sliding block two 219 is fixedly connected with a plastic sheath three 204, a sliding groove one 213 is arranged in the plastic sheath one 202, and the plastic sheath one 202 and the plastic sheath two 203 can be precisely positioned when being spliced through the sliding groove one 213 and the sliding block one 215. The inner wall of the sliding groove one 213 is slidably connected with the sliding block one 215, the inner wall of the sliding block one 215 is fixedly connected with an extension rod 217, the extension rod 217 and the plug rod two 205 can be limited through the extension rod 217, the outer surface of the extension rod 217 is sleeved with an extension spring two 218, the outer wall of the extension rod 217 is fixedly connected with the plug rod two 205, the extension spring two 218 can be compressed by pressing the plug rod two 205, then the plug rod two 205 will retract into the sliding block one 215, then the sliding block one 215 is inserted into the sliding groove one 213, then when the sliding block one 215 is inserted into the bottom of the sliding groove one 213, the plug rod two 205 will move to the plug groove two 214 at this time, the extension spring two 218 will be stretched and drive the plug rod two 205 to be inserted into the plug groove two 214, so as to complete the preliminary fixing. The outer wall of the extension spring two 218 is fixedly connected with the inner wall of the plug rod two 205, the outer surface of the plug rod two 205 is slidably connected with the inner wall of the plug groove two 214, the bottom of the sliding block one 215 is fixedly connected with the plastic sheath two 203, the outer wall of the plastic sheath two 203 is fixedly connected with a fixed block one 206, and the inner wall of the fixed block one 206 is slidably connected with a pull rod 208.

[0034] The outer wall of the pull rod 208 is fixedly connected with a connecting plate 209, the fixed block two 207 and the fixed block one 206 can be overlapped after the plastic sheath one 202 and the plastic sheath two 203 are preliminarily connected through the pull rod 208, then two plug rods three 211 are inserted into the fixed block two 207 and the fixed block one 206, so as to fix them, the stability of the fixed block one 206 and the fixed block two 207 can be reinforced through the extension spring one 210, the outer wall of the connecting plate 209 is fixedly connected with the plug rod three 211, the outer surface of the plug rod three 211 is sleeved with the extension spring one 210, one end, away from the connecting plate 209, of the outer wall of the extension spring one 210 is fixedly connected with a limiting block 212, the extension spring one 210 can be fixed and limited through the limiting block 212, the inner wall of the limiting block 212 is fixedly connected with the outer surface of the plug rod three 211, the outer surface of the plug rod three 211 is slidably connected with the inner wall of the fixed block two 207, and the outer surface of the plug rod three 211 is slidably connected with the inner wall of the fixed block one 206.

[0035] One specific application of the embodiment is:

[0036] When the plastic sheath 202 and the plastic sheath 203 need to be assembled, the protruding plug rod 205 on the surface of the two sliding blocks 215 can be pressed at this time, and the extension spring 218 will be compressed at this time. The extension rod 217 is responsible for limiting, and then the plug rod 205 will be retracted into the inner wall of the sliding block 215, at this time the sliding block 215 is inserted into the sliding groove 213 inside the plastic sheath 202, and the pull rod 208 can be pulled at the same time. Then the pull rod 208 will drive the connecting plate 209 to move, and drive the plug rod 211 on both sides to move, and then the limiting block 212 will drive the extension spring 210 to be compressed, at this time the sliding block 215 will reach the top of the sliding groove 213, and then the sliding block 215 will be reset by the extension spring 218 and protrude from the plug slot 214. That is, the preliminary fixing can be completed, and when the plastic sheath 202 and the plastic sheath 203 are combined, the fixed block 207 and the fixed block 206 will be attached at this time. Then loosen the pull rod 208, and then the extension spring 210 will reset and drive the plug rod 211 to be inserted into the fixed block 207 and the fixed block 206, thereby completing the secondary fixing.

[0037] When two assembled sheaths need to be spliced, the two sliding blocks 219 on the outer wall of the plastic sheath 204 can be inserted into the two sliding grooves 216 at this time, that is, the preliminary positioning and fixing can be completed. Then unscrew the threaded shaft 109, and the connecting rod 110 will be separated from the sleeve ring 101 at this time. Then the sleeve ring 101 is attached to the connection between the plastic sheath 202 and the plastic sheath 204, and then the connecting rod 110 is screwed into the sleeve ring 101. Then press the pressing plate 106, at this time the pressing plate 106 will drive the rotating block 105 to move downward, and the connecting rod 110 in the rotating block 105 will rotate on the surface of the fixed shaft 111. Then the rotating block 105 will extrude the movable sleeve ring 102 and make it rotate on the surface of the fixed shaft 103, and then the movable sleeve ring 102 will gradually tighten inward, and the part of the pressing plate 106 will contact the surface of the movable sleeve ring 102 at this time. At this time, the plug rod 107 can be inserted into the movable sleeve ring 102 and the plug slot 108, that is, the pressing plate 106 can be fixed, thereby completing the splicing.

[0038] In the description of the present application, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the description of the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. An electrical wire and cable plastic jacket comprising a collar (101), characterized in that: The outer wall of the collar (101) is provided with a fixing mechanism (1), and the inner wall of the collar (101) is provided with a quick connecting mechanism (2); The fixing mechanism (1) comprises a fixed shaft one (103), the outer surface of the fixed shaft one (103) is fixedly connected with the inner wall of the collar (101), the outer surface of the fixed shaft one (103) is rotatably connected with a movable collar (102), the inner wall of the movable collar (102) is rotatably connected with a fixed shaft two (104) away from one end of the fixed shaft one (103), and the outer wall of the fixed shaft two (104) is fixedly connected with a rotating block one (105); The outer wall of the rotating block one (105) is fixedly connected with a pressing plate (106), the inner part of the pressing plate (106) is provided with a slot one (108), the inner wall of the movable collar (102) is slidably connected with a plug rod one (107), the outer surface of the plug rod one (107) is slidably connected with the inner wall of the slot one (108), the inner wall of the rotating block one (105) is rotatably connected with a fixed shaft three (111), the outer surface of the fixed shaft three (111) is fixedly connected with a connecting rod (110), one end of the inner wall of the connecting rod (110) away from the rotating block one (105) is threadedly connected with a threaded shaft (109), and the outer surface of the threaded shaft (109) is rotatably connected with the inner wall of the collar (101).

2. An electrical wire and cable plastic sheath according to claim 1, wherein, The quick connecting mechanism (2) comprises a plastic sheath one (202), the outer surface of the plastic sheath one (202) is slidably connected with the inner wall of the collar (101), and the inner wall of the plastic sheath one (202) is slidably connected with an electric wire (201).

3. An electrical wire and cable plastic jacket according to claim 2, wherein, The outer wall of the plastic sheath one (202) is fixedly connected with a fixed block two (207), the inner part of the plastic sheath one (202) is provided with a slot two (214), and the inner part of the plastic sheath one (202) is provided with a sliding groove two (216).

4. An electrical wire or cable plastic jacket according to claim 3, wherein, The inner wall of the sliding block two (219) is fixedly connected with a plastic sheath three (204), the inner part of the plastic sheath one (202) is provided with a sliding groove one (213), and the inner wall of the sliding groove one (213) is slidably connected with a sliding block one (215).

5. An electrical wire and cable plastic jacket according to claim 4, wherein, The inner wall of the sliding block one (215) is fixedly connected with a telescopic rod (217), the outer surface of the telescopic rod (217) is sleeved with a telescopic spring two (218), and the outer wall of the telescopic rod (217) is fixedly connected with a plug rod two (205).

6. An electrical wire and cable plastic jacket according to claim 5, wherein, The outer wall of the telescopic spring two (218) is fixedly connected with the inner wall of the plug rod two (205), the outer surface of the plug rod two (205) is slidably connected with the inner wall of the slot two (214), the bottom of the sliding block one (215) is fixedly connected with a plastic sheath two (203), the outer wall of the plastic sheath two (203) is fixedly connected with a fixed block one (206), and the inner wall of the fixed block one (206) is slidably connected with a pull rod (208).

7. An electrical wire or cable plastic jacket according to claim 6 wherein, The outer wall of the pull rod (208) is fixedly connected with a connecting plate (209), the outer wall of the connecting plate (209) is fixedly connected with a plug rod three (211), the outer surface of the plug rod three (211) is sleeved with a telescopic spring one (210), and the outer wall of the telescopic spring one (210) is fixedly connected with a limiting block (212) away from the connecting plate (209).

8. An electrical wire or cable plastic jacket according to claim 7, wherein, The inner wall of the limiting block (212) is fixedly connected with the outer surface of the plug rod three (211), the outer surface of the plug rod three (211) is in sliding connection with the inner wall of the fixed block two (207), and the outer surface of the plug rod three (211) is in sliding connection with the inner wall of the fixed block one (206).

Images