Anti-corrosion sealing power cable intermediate connection accessory

Abstract

The utility model provides an anti-corrosion sealing power cable intermediate connecting accessory, which relates to the field of power cables, and comprises a connecting mechanism, the connecting mechanism comprises an insulating sleeve, a sealing hole, a shielding sleeve, a fixing hole, a conductive sleeve and a connecting hole, the connecting mechanism is internally provided with a fastening assembly, the fastening assembly comprises an internal thread ring, a bolt and an extrusion sheet, and the internal thread ring is provided with an external thread; and sealing assemblies are arranged at the two ends of the connecting mechanism correspondingly, and each sealing assembly comprises an outer threaded pipe, a rubber sealing gasket and a rubber protruding block. According to the utility model, the conductive sleeve is sleeved on the outer wall of the cable, meanwhile, the outer threaded pipe and the extension sleeve are sleeved on the outer wall of the cable, firstly, the bolt is rotated by using a tool, the bolt is moved through the inner threaded ring, and then the extrusion sheet is driven to move towards the direction of the cable, so that the cable is extruded; therefore, the stability of the cable is improved, and the phenomenon that the cable is loosened after being connected is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to power cable technical field especially relates to a kind of anticorrosive sealed power cable intermediate connecting accessory. BACKGROUND

[0002] Power cable is used to transmit and distribute electric energy, in the main line of power system, to transmit and distribute high-power electric energy, commonly used in urban underground power grid, power station outgoing line, industrial and mining enterprise internal power supply and cross-river underwater power transmission line etc., is the indispensable part in modern power transmission and distribution system, when connecting in the middle of power cable, connecting accessory needs to be used.

[0003] In prior art, power cable intermediate connecting accessory structure is relatively simple, mainly with the insulating tape wound outside the conductive sleeve, so that the stability effect is not good when the two ends of power cable are connected, and the cable two ends will appear loose and fall off after long time use, secondly, the simple connecting structure is difficult to guarantee the sealing effect after connection, which is easy to cause corrosion inside the connecting accessory. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of anticorrosive sealed power cable intermediate connecting accessory to solve the problem that the stability effect is not good when the two ends of power cable are connected in the above background art, and the cable two ends will appear loose and fall off after long time use, secondly, the simple connecting structure is difficult to guarantee the sealing effect after connection, which is easy to cause corrosion inside the connecting accessory.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: including: connecting mechanism, the connecting mechanism includes insulating sleeve, sealing hole, shielding sleeve, fixed hole, conductive sleeve and connecting hole, the inside of the connecting mechanism is provided with fastening assembly, the fastening assembly includes internal thread ring, bolt and extrusion sheet, the both ends of the connecting mechanism are provided with sealing assembly, the sealing assembly includes external thread pipe, rubber sealing pad and rubber boss, the outer wall of the sealing assembly is provided with extrusion assembly, the extrusion assembly includes internal thread sleeve, rubber sleeve and extension sleeve.

[0006] As a preferred embodiment, the both sides of the insulating sleeve are provided with sealing hole, and the inner wall of the insulating sleeve is fixedly connected with the outer wall of the shielding sleeve.

[0007] As a preferred embodiment, the inside of the shielding sleeve is provided with fixed hole, and the fixed hole is arranged on one side of the sealing hole, and the inner wall of the shielding sleeve is fixedly connected with the outer wall of the conductive sleeve.

[0008] As a preferred embodiment, the inside of the conductive sleeve is provided with connecting hole, and the connecting hole is arranged on one side of the fixed hole.

[0009] As a preferred implementation, the inner wall of the fixed hole is fixedly connected with the outer wall of the internal thread ring, and the inner wall of the internal thread ring is threadedly connected with the outer wall of the bolt, and a pentagonal groove is formed in the inner part of the bolt.

[0010] As a preferred implementation, the outer wall of one end of the bolt is movably connected with the inner wall of the sealing hole, the other end of the bolt is fixedly connected with one end of the extrusion piece, and the outer wall of the extrusion piece is movably connected with the inner wall of the connecting hole.

[0011] As a preferred implementation, the two ends of the insulating sleeve are fixedly connected with one end of the external thread tube, a groove is formed in the inner part of the external thread tube, the inner wall of the groove is movably connected with the outer wall of the rubber sealing gasket, and the outer wall of the rubber sealing gasket is fixedly connected with one side of the rubber bump.

[0012] As a preferred implementation, the outer wall of the external thread tube is threadedly connected with the inner wall of the internal thread sleeve, the outer wall of the internal thread sleeve is fixedly connected with the inner part of the rubber sleeve, and the side, away from the external thread tube, of the internal thread sleeve is fixedly connected with one side of the extension sleeve.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] 1、 the utility model discloses, the electrically conductive sleeve is covered in the outer wall of cable, and the external thread tube and the extension sleeve are covered in the outer wall of cable, first use the tool rotation bolt, make the bolt move through the internal thread ring, and then drive the extrusion piece to the direction of cable and move, and then extrude the cable, and the extrusion piece extrudes the cable, and then increase the stability of cable, reduce the phenomenon that cable connection loosens.

[0015] 2、 the utility model discloses, rotate the rubber sleeve and drive the internal thread sleeve to rotate on the outer wall of external thread tube, and then drive the internal thread sleeve to move to the direction of rubber bump, so that the inner wall of internal thread sleeve extrudes the outer wall of rubber bump, and the rubber bump is extruded and drives the rubber sealing gasket to extrude the outer wall of cable, and the rubber sealing gasket extrudes the cable, and then increase the sealing effect after cable connection, and then increase the anticorrosion of device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model provides a kind of structure schematic view of anticorrosive sealed power cable intermediate connecting accessory;

[0017] Figure 2 The utility model provides a kind of sealing assembly sectional view of anticorrosive sealed power cable intermediate connecting accessory;

[0018] Figure 3The utility model provides a kind of connecting mechanism section view of anticorrosive sealed power cable intermediate connecting accessory.

[0019] Figure 4 The utility model provides a kind of fastening assembly section view of anticorrosive sealed power cable intermediate connecting accessory.

[0020] Legend:

[0021] 1, connecting mechanism;101, insulating sleeve;102, sealing hole;103, shielding sleeve;104, fixed hole;105, conductive sleeve;106, connecting hole;2, fastening assembly;201, internal thread ring;202, bolt;203, extrusion piece;3, sealing assembly;301, external thread pipe;302, rubber sealing pad;303, rubber bump;4, extrusion assembly;401, internal thread sleeve;402, rubber sleeve;403, extension sleeve. Specific embodiments

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not 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 scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: including: connecting mechanism 1, connecting mechanism 1 includes insulating sleeve 101, sealing hole 102, shielding sleeve 103, fixed hole 104, conductive sleeve 105 and connecting hole 106, the inside of connecting mechanism 1 is provided with fastening assembly 2, and fastening assembly 2 includes internal thread ring 201, bolt 202 and extrusion piece 203, and both ends of connecting mechanism 1 are provided with sealing assembly 3, and sealing assembly 3 includes external thread pipe 301, rubber sealing pad 302 and rubber bump 303, and the outer wall of sealing assembly 3 is provided with extrusion assembly 4, and extrusion assembly 4 includes internal thread sleeve 401, rubber sleeve 402 and extension sleeve 403.

[0024] In one embodiment, the inside of the two sides of insulating sleeve 101 is provided with sealing hole 102, and the inner wall of insulating sleeve 101 is fixedly connected with the outer wall of shielding sleeve 103.

[0025] Specifically: through the movable connection of sealing hole 102 inner wall and bolt 202 outer wall, the operation of bolt 202 is facilitated, and after the installation of the device is completed, sealing material needs to be filled in sealing hole 102.

[0026] In one embodiment, the inner part of the shielding sleeve 103 is provided with a fixing hole 104, and the fixing hole 104 is arranged on one side of the sealing hole 102, and the inner wall of the shielding sleeve 103 is fixedly connected with the outer wall of the conductive sleeve 105.

[0027] Specifically, the setting of the fixing hole 104 facilitates the stability of the inner threaded ring 201.

[0028] In one embodiment, the inner part of the conductive sleeve 105 is provided with a connecting hole 106, and the connecting hole 106 is arranged on one side of the fixing hole 104.

[0029] Specifically, the setting of the connecting hole 106 facilitates the accommodation of the extrusion piece 203.

[0030] In one embodiment, the inner wall of the fixing hole 104 is fixedly connected with the outer wall of the inner threaded ring 201, and the inner wall of the inner threaded ring 201 is threadedly connected with the outer wall of the bolt 202, and one end of the bolt 202 is internally provided with a pentagonal groove.

[0031] Specifically, first, the bolt 202 is rotated by using a tool, the bolt 202 is moved through the inner threaded ring 201, and then the extrusion piece 203 is moved towards the direction of the cable, thereby extruding the cable.

[0032] In one embodiment, the outer wall of one end of the bolt 202 is movably connected with the inner wall of the sealing hole 102, and the other end of the bolt 202 is fixedly connected with one end of the extrusion piece 203, and the outer wall of the extrusion piece 203 is movably connected with the inner wall of the connecting hole 106.

[0033] Specifically, the extrusion of the cable by the extrusion piece 203 increases the stability of the cable and reduces the loosening phenomenon after the cable is connected.

[0034] In one embodiment, both ends of the insulating sleeve 101 are fixedly connected with one end of the outer threaded tube 301, the inner part of the outer threaded tube 301 is provided with a groove, the inner wall of the groove is movably connected with the outer wall of the rubber sealing gasket 302, and the outer wall of the rubber sealing gasket 302 is fixedly connected with one side of the rubber protrusion 303.

[0035] Specifically, rotating the rubber sleeve 402 drives the inner threaded sleeve 401 to rotate on the outer wall of the outer threaded tube 301, thereby driving the inner threaded sleeve 401 to move towards the direction of the rubber protrusion 303, so that the inner wall of the inner threaded sleeve 401 extrudes the outer wall of the rubber protrusion 303, and the rubber protrusion 303 is extruded to drive the rubber sealing gasket 302 to extrude the outer wall of the cable.

[0036] In one embodiment, the outer wall of the outer threaded pipe 301 is threadedly connected with the inner wall of the inner threaded sleeve 401, and the outer wall of the inner threaded sleeve 401 is fixedly connected with the inner part of the rubber sleeve 402, and the side of the inner threaded sleeve 401 away from the outer threaded pipe 301 is fixedly connected with one side of the extension sleeve 403.

[0037] Specifically, the sealing effect of the cable after connection is increased by extrusion of the cable by the rubber sealing gasket 302, and the corrosion resistance of the device is increased, and the winding of the later insulation waistband is facilitated by the extension sleeve 403.

[0038] Working principle: the conductive sleeve 105 is sleeved on the outer wall of the cable, and the outer threaded pipe 301 and the extension sleeve 403 are both sleeved on the outer wall of the cable, first, the bolt 202 is rotated by using a tool, the bolt 202 is moved by the inner threaded ring 201, and then the extrusion piece 203 is moved towards the direction of the cable, thereby extruding the cable, the rubber sleeve 402 is rotated to drive the inner threaded sleeve 401 to rotate on the outer wall of the outer threaded pipe 301, thereby driving the inner threaded sleeve 401 to move towards the direction of the rubber protrusion 303, so that the inner wall of the inner threaded sleeve 401 extrudes the outer wall of the rubber protrusion 303, and the rubber protrusion 303 is extruded to drive the rubber sealing gasket 302 to extrude the outer wall of the cable.

[0039] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application without departing from the technical scheme of the present application still belongs to the protection scope of the present application.

Claims

1. An anticorrosion sealed power cable joint accessory, characterized in that, The utility model relates to a connecting mechanism, including: the connecting mechanism (1) includes insulating sleeve (101), sealing hole (102), shield sleeve (103), fixed hole (104), conducting sleeve (105) and connecting hole (106), the inside of connecting mechanism (1) is provided with fastening assembly (2), fastening assembly (2) includes internal thread ring (201), bolt (202) and extrusion piece (203), both ends of connecting mechanism (1) are provided with sealing assembly (3), sealing assembly (3) includes external thread pipe (301), rubber sealing gasket (302) and rubber boss (303), the outer wall of sealing assembly (3) is provided with extrusion assembly (4), and extrusion assembly (4) includes internal thread sleeve (401), rubber sleeve (402) and extension sleeve (403). The inside of the two sides of the insulating sleeve (101) is provided with a sealing hole (102), and the inner wall of the insulating sleeve (101) is fixedly connected with the outer wall of the shielding sleeve (103).

2. An anticorrosion sealed power cable joint accessory according to claim 1, characterized in that: The inside of the shielding sleeve (103) is provided with a fixed hole (104), and the fixed hole (104) is arranged on one side of the sealing hole (102), and the inner wall of the shielding sleeve (103) is fixedly connected with the outer wall of the conducting sleeve (105).

3. An anticorrosion sealed power cable joint accessory according to claim 2, characterized in that: The inside of the conducting sleeve (105) is provided with a connecting hole (106), and the connecting hole (106) is arranged on one side of the fixed hole (104).

4. An anticorrosion sealed power cable joint accessory according to claim 3, characterized in that: The inner wall of the fixed hole (104) is fixedly connected with the outer wall of the internal thread ring (201), and the inner wall of the internal thread ring (201) is threadedly connected with the outer wall of the bolt (202), and one end of the bolt (202) is internally provided with a pentagonal groove.

5. An anticorrosion sealed power cable joint accessory according to claim 1, characterized in that: The outer wall of one end of the bolt (202) is movably connected with the inner wall of the sealing hole (102), and the other end of the bolt (202) is fixedly connected with one end of the extrusion piece (203), and the outer wall of the extrusion piece (203) is movably connected with the inner wall of the connecting hole (106).

6. An anticorrosion sealed power cable joint accessory according to claim 5, characterized in that: The two ends of the insulating sleeve (101) are fixedly connected with one end of the external thread pipe (301), the inside of the external thread pipe (301) is provided with a groove, the inner wall of the groove is movably connected with the outer wall of the rubber sealing gasket (302), and the outer wall of the rubber sealing gasket (302) is fixedly connected with one side of the rubber boss (303).

7. An anticorrosion sealed power cable joint accessory according to claim 1, characterized in that: The outer wall of the external thread pipe (301) is threadedly connected with the inner wall of the internal thread sleeve (401), the outer wall of the internal thread sleeve (401) is fixedly connected with the inside of the rubber sleeve (402), and the side, away from the external thread pipe (301), of the internal thread sleeve (401) is fixedly connected with one side of the extension sleeve (403).

8. An anticorrosion sealed power cable joint accessory according to claim 1, characterized in that: ​

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