Cable splicing fitting for overhead line

By designing the cable connection fittings of the outer sheath, conductive connection pressure plate, conductive connection block and sealing assembly, the problems of cumbersome cable connection operation, insufficient firmness and sealing in the prior art are solved, and the stability and sealing of the cable connection are achieved.

CN223462532UActive Publication Date: 2025-10-21XUCHANG LONG YUAN POWER IND GRP CO LTD +1
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Patent Information

Application Number
CN202422843493.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-10-21
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

Existing cable connecting fittings are difficult to operate when connecting cables, and lack firmness and sealing performance, which affects the use effect.

Method used

A cable connection fitting is designed, which includes an outer sheath, a conductive connection pressure plate, a conductive connection block and a sealing assembly. The cable is firmly connected by fastening screws and limiting thorns, and the sealing is improved by the sleeve and sealing plate.

Benefits of technology

The stability and sealing of the cable connection are achieved, the structural design is reasonable, the connection is tight and the sealing effect is good.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a cable splicing fitting for an overhead line, which is characterized in that an outer sheath is square, fastening screw rods vertically and rotatably penetrate through the middle parts of the two ends of the upper surface and the middle parts of the two ends of the lower surface of the outer sheath in a threaded manner, and two conductive connecting pressure plates are transversely arranged at the upper end and the lower end in the outer sheath respectively; a reset spring is vertically and fixedly arranged between the middle part of the outer surface and the inner wall of the outer sheath; the whole conductive connecting blocks are of a trapezoidal structure, and the two conductive connecting blocks are fixedly arranged in the middles of the inner surfaces of the two conductive connecting pressing plates respectively; the number of the sealing assemblies is two, the sealing assemblies are symmetrically arranged on the two sides of the outer sheath respectively, each sealing assembly is composed of a sleeve a and a sleeve b which are connected in a threaded rotating and sleeving mode, the sleeve a is fixedly arranged at the side end of the outer sheath, one end of the sleeve b is arranged outside the sleeve a in a threaded rotating and sleeving mode, and a sealing plate is fixedly arranged in the other end of the sleeve b. A penetrating hole matched with a cable structure is formed in the center of the sealing plate; the utility model has the advantages of reasonable structural design, good sealing effect and firm connection.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of power cable installation, concretely relates to a cable jointing hardware for overhead line. BACKGROUND

[0002] In the process of overhead power line construction, cable jointing connecting hardware is often used for the jointing operation of cables, so as to transmit power from one cable to another cable and then to power equipment; however, the existing cable jointing hardware has poor firmness to cables and sealing property at the jointing position when connecting cables, which affects the use effect; therefore, it is necessary to develop a cable jointing hardware for overhead line with reasonable structure design, good sealing effect and tight connection to solve the above problems. SUMMARY

[0003] The utility model discloses a cable jointing hardware for overhead line with reasonable structure design, good sealing effect and tight connection to overcome the defects of the prior art.

[0004] The utility model discloses a cable jointing hardware for overhead line, including outer sheath, conducting connection pressure plate, conducting connection block and sealing assembly, the outer sheath whole square, and the middle part of both ends of upper surface and the middle part of both ends of lower surface are all vertically threaded rotation and are equipped with fastening screw rod, the conducting connection pressure plate has two, respectively horizontal setting in the upper end and the lower end of the inside of outer sheath, and the middle part between the outer surface of conducting connection pressure plate and the inner wall of outer sheath is vertically fixed and is provided with reset spring, the conducting connection block is whole trapezoidal structure, has two, respectively fixed and set in the middle part of the inner surface of two conducting connection pressure plates, and the inclined edge of two conducting connection blocks is contacted each other, the sealing assembly has two, respectively symmetrically setting in the both sides of outer sheath, and it is composed of sleeve a and sleeve b of threaded rotation sleeve joint, wherein sleeve a concentric fixed setting in the side end of outer sheath, sleeve b one end threaded rotation sleeve and set in the outside of sleeve a, and the inside fixed setting has sealing plate in the other end, the center of sealing plate is provided with the through hole of cooperation with the cable structure.

[0005] Further, the two ends of the inner surface of the conducting connection pressure plate are vertically fixed and provided with a plurality of limiting spikes.

[0006] Further, one end of the fastening screw rod is located in the inside of the outer sheath and contacts the outer surface of the conducting connection pressure plate, and the other end is located in the outside of the outer sheath and is concentrically fixed and connected with the auxiliary rotating block.

[0007] Further, the middle part of the front end face and the middle part of the rear end face of the outer sheath are bonded with reflective stickers.

[0008] Further, the inner surface of the through hole is fixedly provided with a rubber sealing ring.

[0009] The utility model discloses beneficial effect: the utility model discloses through setting up outer sheath, fastening screw rod, conducting connection pressure plate, conducting connection block and limit spike, uses, first two cables are respectively through the both sides of outer sheath and enter, and make two cables's connection end respectively with the lateral surface contact of two conducting connection blocks, then, through the outer force rotation fastening screw rod, at this moment, utilize the screw thread rotation connection between fastening screw rod and outer sheath to the vertical direction of moving simultaneously with the rotation of fastening screw rod, and then through the movement of fastening screw rod, drive conducting connection pressure plate and move, by this means, can realize two cables pressurization limit through the cooperation of two conducting connection pressure plates, also can realize the contact of the inclined plane in two conducting connection blocks through the movement of conducting connection pressure plate drive conducting connection block, thereby complete two cables's conducting connection, and in this process, the setting of limit spike can make it insert to the inside of cable in the process that conducting connection pressure plate and cable are in close contact, thereby increase the connection stability between the whole of the utility model and cable, also can increase the stability of conducting connection between two cables through the cooperation of limit spike and conducting connection pressure plate.

[0010] Through setting sleeve a, sleeve b, sealing plate and through hole, utilizing the through hole can pass sealing plate and sleeve b and set up in the outside of cable, utilizing the screw thread rotation sleeve joint of sleeve b and sleeve a, can realize the limit installation of sealing plate on the both sides of outer sheath, adopt this structure, can increase the sealing property of the whole utility model when using, in general, the utility model has the advantages of reasonable structure design, good sealing effect and connection fastening. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the sectional view of the front view of the utility model.

[0012] Figure 2 It is the side view of the utility model.

[0013] In the drawing: 1, outer sheath 11, fastening screw rod 2, conducting connection pressure plate 21, reset spring 22, limit spike 3, conducting connection block 4, sealing assembly 41, sleeve a 42, sleeve b 43, sealing plate 44, through hole 5, reflective sticker. DETAILED DESCRIPTION

[0014] The utility model will be further explained in connection with the drawings.

[0015] Embodiment: as Figure 1 , Figure 2As shown, an overhead line cable joint fitting, comprising an outer sheath 1, a conductive connection pressing plate 2, a conductive connection block 3 and a sealing assembly 4, the outer sheath 1 is square as a whole, the middle of the upper surface of both ends and the middle of the lower surface of both ends are vertically threaded and rotatably provided with a fastening screw 11, the conductive connection pressing plate 2 has two, which are respectively horizontally arranged at the upper end and the lower end inside the outer sheath 1, and the middle of the outer surface of the conductive connection pressing plate 2 is vertically fixedly provided with a reset spring 21 between the inner wall of the outer sheath 1; The conductive connection block 3 is trapezoidal in whole, has two, is fixedly arranged on the inner surface of the middle of the two conductive connection pressing plates 2, and the inclined edges of the two conductive connection blocks 3 are in contact with each other; The sealing assembly 4 has two, which are symmetrically arranged on both sides of the outer sheath 1, which is composed of a sleeve a41 and a sleeve b42 which are rotatably sleeved, wherein the sleeve a41 is concentrically fixedly arranged on the side end of the outer sheath 1, the sleeve b42 is rotatably sleeved on the outside of the sleeve a41 at one end, and the other end is fixedly provided with a sealing plate 43 inside, and the center of the sealing plate is provided with a through hole 44 matched with the cable structure.

[0016] The two ends of the inner surface of the conductive connection pressing plate 2 are vertically fixedly provided with a plurality of limiting spikes 22, the limiting spikes 22 are arranged, which can be inserted into the inside of the cable during the close contact between the conductive connection pressing plate 2 and the cable, thereby increasing the stability of the connection between the whole and the cable, and also increasing the stability of the conductive connection between the two cables through the cooperation of the limiting spikes 22 and the conductive connection pressing plate 2; One end of the fastening screw 11 is located inside the outer sheath 1 and in contact with the outer surface of the conductive connection pressing plate 2, and the other end is located outside the outer sheath 1 and is concentrically fixedly connected with an auxiliary rotating block, which can increase the convenience of rotating operation of the fastening screw 11; The middle of the front end face and the middle of the rear end face of the outer sheath 1 are bonded with reflective stickers 5, and the inner surface of the through hole 44 is fixedly provided with a rubber sealing ring, which can improve the dustproof and waterproof effect of the whole.

[0017] The utility model discloses a sealing plate 43 is respectively through the hole 44 of setting of two sealing assemblies 4 in the first, the external of two cables is sleeved, and then, the connecting end of two cables is respectively through the both sides of outer sheath 1 and is inserted, and makes it with the lateral contact of two conductive connecting blocks 3, again, through the external force rotation fastening screw rod 11, at this time, utilize the screw thread rotation connection between fastening screw rod 11 and outer sheath 1, can be in fastening screw rod 11 rotation, and the movement of perpendicular direction is carried out simultaneously, thereby through the movement of fastening screw rod 11, drive conductive connecting pressure plate 2 and move, by this, can realize the pressure limiting of two cables simultaneously through the cooperation of two conductive connecting pressure plate 2, also can drive the movement of conductive connecting block 3 through conductive connecting pressure plate 2, realize the contact of the inclined plane in two conductive connecting blocks 3, thereby complete the conductive connection of two cables, and in this process, the setting of limiting thorn 22 can make it insert to the inside of cable in the process of the close contact of conductive connecting pressure plate 2 and cable, thereby increase the connection stability between the whole of the utility model and cable, also can increase the stability of the conductive connection between two cables through the cooperation of limiting thorn 22 and conductive connecting pressure plate 2, the setting of reset spring 21 can realize the reset operation of conductive connecting pressure plate 2 and conductive connecting block 3 in the dismounting process of the utility model, after completing the above operation, through the external force rotation sleeve b42, thereby through the screw thread rotation sleeve of sleeve b42 and sleeve a41, realize the limiting installation of sleeve b42 and sealing plate 43 on the both sides of outer sheath 1, by this, can increase the sealing property of the utility model whole when using through the setting of sealing plate 43, in general, the utility model has the advantages of reasonable structure design, good sealing effect and connection fastening.

[0018] The above embodiments are only used to illustrate the technical solutions of the utility model and not to limit it, although the utility model is described in detail with reference to the above embodiments, those skilled in the art should understand that the specific implementation of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the utility model, and any modification or equivalent replacement without departing from the spirit and scope of the utility model should be covered in the claim scope of the utility model.

Claims

1. An overhead line cable joint fitting comprising an outer sheath (1), a conductive connection clamp (2), a conductive connection block (3) and a sealing assembly (4), characterised in that: The outer jacket (1) is square as a whole, the middle of the upper surface of both ends and the middle of the lower surface of both ends are vertically screwed with fastening screw (11), the conductive connection pressing plate (2) has two, which are respectively horizontally arranged at the upper end and the lower end inside the outer jacket (1), and the middle of the outer surface of the conductive connection pressing plate (2) and the inner wall of the outer jacket (1) are vertically fixed with reset spring (21); The conductive connection block (3) is trapezoidal structure as a whole, has two, which are respectively fixed at the middle of the inner surface of the two conductive connection pressing plates (2), and the inclined edges of the two conductive connection blocks (3) are in contact with each other; The sealing assembly (4) has two, which are respectively arranged symmetrically on both sides of the outer jacket (1), which is composed of sleeve a (41) and sleeve b (42) screwed together, wherein sleeve a (41) is concentrically fixed on the side end of the outer jacket (1), sleeve b (42) is screwed on the outside of sleeve a (41) at one end, and the other end is fixed with sealing plate (43) inside, the center of the sealing plate is provided with a through hole (44) matched with the cable structure.

2. An overhead line cable joint fitting according to claim 1, characterised in that: The inner surface of the conductive connection pressing plate (2) is vertically fixed with a plurality of limiting thorns (22) at both ends.

3. An overhead line cable joint fitting according to claim 1, wherein: The fastening screw (11) is located in the inner part of the outer jacket (1) at one end, and is in contact with the outer surface of the conductive connection pressing plate (2), and is concentrically fixed with auxiliary rotating block at the other end.

4. An overhead line cable joint fitting according to claim 1, wherein: The middle of the front end face and the middle of the rear end face of the outer jacket (1) are bonded with reflective stickers (5).

5. An overhead line cable joint fitting according to claim 1, wherein: The inner surface of the through hole (44) is fixed with rubber sealing ring.