CN211296155U - Free-rotation vertical connecting device for power cable - Google Patents

Abstract

The utility model discloses a perpendicular connecting device of power cable free rotation, including two adapter sleeve devices, two the adapter sleeve device passes through L type connecting cylinder and connects, the adapter sleeve device includes insulating sleeve and conductive sleeve, the fixed cover of insulating sleeve is established in conductive sleeve's the outside, and conductive sleeve's length size is less than insulating sleeve's length size, L type connecting cylinder includes L type insulating cylinder and the conductive cylinder of L type, the both ends of the conductive cylinder of L type rotate with two conductive sleeve respectively and are connected, and the both ends of the conductive cylinder of L type rotate with two insulating sleeve respectively and be connected, be provided with two locking mechanism that correspond with the conductive cylinder of L type on the insulating sleeve outer wall. The utility model has the advantages that through the simple operation of the locking mechanism switch, the vertical free rotation of two power cables can be realized, and the rotation of the cables around the axis direction can be realized.

Description

Free-rotation vertical connecting device for power cable

Technical Field

The utility model relates to a power cable technical field especially relates to a perpendicular connecting device of power cable free rotation.

Background

A power cable is a cable for transmitting and distributing electric energy, and the specific gravity of the cable is gradually increasing in a power line. Due to the fact that the caliber of the power cable is large, when the power cable is used for frequently rotating an electric device, the power cable needs to adapt to rotation of the electric device, two mutually perpendicular cables can be twisted together, the two cables are twisted, and when the cables are in a twisted state for a long time, the service life of the cables can be influenced; simultaneously, when two cables mutually perpendicular connect, still can have every cable and can rotate around self axis and wind the phenomenon of strength to can form great torsion between every cable, if do not remove these torsion for a long time, also can reduce power cable's life, can make cable self fracture even.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the prior art can not ensure that the power cable can rotate vertically and simultaneously rotate around the axis direction of the power cable to unload force. To this end, we propose a free-rotating vertical connection device for power cables.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a perpendicular connecting device of power cable free rotation, includes two connecting sleeve devices, two the connecting sleeve device passes through L type connecting cylinder and connects, the connecting sleeve device includes insulating sleeve and conductive sleeve, the fixed cover of insulating sleeve is established in conductive sleeve's the outside, and conductive sleeve's length size is less than insulating sleeve's length size, L type connecting cylinder includes L type insulating cylinder and L type conductive cylinder, the both ends of L type conductive cylinder rotate with two conductive sleeve respectively and are connected, and the both ends of L type insulating cylinder rotate with two insulating sleeve respectively and be connected, the screw thread runs through on insulating sleeve's the lateral wall has a plurality of first locking screws, and first locking screw is close to insulating sleeve's opening part setting, be provided with two locking mechanism that correspond with L type conductive cylinder on the insulating sleeve outer wall.

Preferably, locking mechanism establishes the ring gear in the electrically conductive section of thick bamboo outside of L type including the sliding pin and the fixed cover that run through the insulating sleeve setting, the sliding pin matches with the ring gear and sets up, insulating sleeve's lateral wall is seted up flutedly, and the recess is located the sliding pin and keeps away from one side setting of first locking screw, there is the connecting rod inner wall of recess through spring coupling, the connecting rod rotates through first pivot and sliding pin to be connected, and the connecting rod still rotates through second pivot and insulating sleeve's lateral wall to be connected.

Preferably, the insulating sleeve and the electrically conductive sleeve are close to the electrically conductive one end of L type insulating cylinder and L type and have all seted up the annular rotary groove, and the electrically conductive both ends of a section of thick bamboo of L type insulating cylinder and L type all be equipped with annular rotary groove complex arch, protruding embedding annular rotary groove, the fixed bearing that is equipped with of inner wall in annular rotary groove, and protruding passing through the bearing rotates with annular rotary groove to be connected.

Preferably, the sliding pin is made of an insulating material made of wood.

Preferably, the inner wall of the conductive sleeve is provided with a threaded hole, a second locking screw is arranged in the threaded hole, and the conductive sleeve and the insulating sleeve are fixedly connected through the second locking screw.

Compared with the prior art, the beneficial effects of the utility model are that: through the two vertically arranged connecting sleeve devices and the locking mechanisms arranged on the connecting sleeve devices, when the power cable at any end needs to rotate around the axis direction of the power cable, the connecting sleeve devices can be easily rotated only by pressing down the locking mechanisms, so that the purpose of free rotation is achieved, and when two cables need to be mutually vertically rotated, the connecting sleeve devices can be realized only by pressing down the locking mechanisms at one end.

Drawings

Fig. 1 is a schematic structural view of the freely rotating vertical connection device for power cables according to the present invention.

Fig. 2 is a front cross-sectional view of the freely rotating vertical connection device for power cables according to the present invention.

Fig. 3 is a partially enlarged view of the structure at a in fig. 2.

Fig. 4 is a cross-sectional view of the overlooking structure of the locking mechanism of the freely rotating vertical connecting device for power cables according to the present invention.

In the figure: the locking mechanism comprises a 1L-shaped connecting cylinder, a 2 connecting cylinder device, a 3L-shaped insulating cylinder, a 4L-shaped conductive cylinder, 5 first locking screws, 6 insulating sleeves, 7 conductive sleeves, 8 sliding pins, 9 connecting rods, 10 springs, 11 first rotating shafts, 12 second rotating shafts, 13 second locking screws, 14 gear rings and 15 locking mechanisms.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a free rotation vertical connection device for power cables comprises two connection sleeve devices 2, the two connection sleeve devices 2 are connected through an L-shaped connection sleeve 1, the connection sleeve device 2 comprises an insulation sleeve 6 and a conductive sleeve 7, the insulation sleeve 6 is fixedly sleeved on the outer side of the conductive sleeve 7, the length of the conductive sleeve 7 is smaller than that of the insulation sleeve 6, the inner wall of the conductive sleeve 7 is provided with a threaded hole, a second locking screw 13 is arranged in the threaded hole, and the conductive sleeve 7 and the insulation sleeve 6 are fixedly connected through the second locking screw 13, so that the insulation sleeve 6 and the conductive sleeve 7 can be fixed together without relative rotation, the L-shaped connection sleeve 1 comprises an L-shaped insulation sleeve 3 and an L-shaped conductive sleeve 4, two ends of the L-shaped conductive sleeve 4 are respectively rotatably connected with the two conductive sleeves 7, and two ends of the L-shaped insulation sleeve 3 are respectively rotatably connected with the two insulation sleeves 6, the insulating sleeve 6 and the conductive sleeve 7 are provided with annular rotary grooves at one ends close to the L-shaped insulating cylinder 3 and the L-shaped conductive cylinder 4, bulges matched with the annular rotary grooves are arranged at two ends of the L-shaped insulating cylinder 3 and the L-shaped conductive cylinder 4, the bulges are embedded into the annular rotary grooves, bearings are fixedly arranged on the inner walls of the annular rotary grooves, the bulges are rotationally connected with the annular rotary grooves through the bearings, the rotation can be more stable through the matching of the annular rotary grooves and the bearings, a plurality of first locking screws 5 penetrate through the side wall of the insulating sleeve 6, the first locking screws 5 are arranged close to the opening of the insulating sleeve 6, and two locking mechanisms 15 corresponding to the L-shaped conductive cylinder 4 are arranged on the outer wall of the insulating sleeve 6;

the locking mechanism 15 comprises a sliding pin 8 penetrating through the insulating sleeve 6 and a gear ring 14 fixedly sleeved on the outer side of the L-shaped conductive cylinder 4, the sliding pin 8 is matched with the gear ring 14, the outer side wall of the insulating sleeve 6 is provided with a groove, the groove is positioned on one side of the sliding pin 8 far away from the first locking screw 5, the sliding pin 8 is made of a wooden insulating material, because the sliding pin 8 can be contacted with the gear ring 14 on the L-shaped conductive cylinder 4, the sliding pin 8 made of the wooden insulating material can ensure that the locking mechanism cannot cause the danger of electric leakage, the inner wall of the groove is connected with a connecting rod 9 through a spring 10, the connecting rod 9 is rotatably connected with the sliding pin 8 through a first rotating shaft 11, the connecting rod 9 is also rotatably connected with the side wall of the insulating sleeve 6 through a second rotating shaft 12, and through the locking mechanism, the two power cables can vertically and freely rotate, and the cable can rotate around the axis direction of the cable.

The utility model discloses in, the theory of operation: two power cables are inserted into the connecting sleeve device 2, the conductive ends of the cables are fixed on the inner wall of the conductive sleeve 7 through a plurality of first locking screws 5, and then the power cables pass through the conductive sleeve 7 and the L-shaped conductive sleeve 4, can realize the electrification of two cables, when the two cables need to be mutually perpendicular and freely rotate, the connecting rod 9 on the locking mechanism 15 at one end is pressed, the connecting rod 9 can lead the sliding chute 8 at the other end to slide outwards through the lever principle, so that the gear ring 14 originally matched together is changed from a locking state to a free state, thereby realizing the effect of rotation, and as the conductive sleeve 7 is fixedly connected with the insulating sleeve 6 through the second locking screw 13, no relative rotation occurs between the conductive sleeve 7 and the insulating sleeve 6, and, when the rotation is over, the tie rod 9 is released, under the action of the spring, the sliding groove 8 can be reset and is locked in a matching way with the gear ring 14 on the L-shaped conductive cylinder 4; when the cable at any end needs to rotate around the axis direction of the cable, the force can be removed only by operating the locking mechanism at the end.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The free-rotation vertical connecting device for the power cable comprises two connecting sleeve devices (2) and is characterized in that the two connecting sleeve devices (2) are connected through an L-shaped connecting sleeve (1), each connecting sleeve device (2) comprises an insulating sleeve (6) and a conductive sleeve (7), the insulating sleeve (6) is fixedly sleeved on the outer side of the conductive sleeve (7), the length of the conductive sleeve (7) is smaller than that of the insulating sleeve (6), each L-shaped connecting sleeve (1) comprises an L-shaped insulating sleeve (3) and an L-shaped conductive sleeve (4), two ends of each L-shaped conductive sleeve (4) are respectively rotatably connected with the two conductive sleeves (7), two ends of each L-shaped insulating sleeve (3) are respectively rotatably connected with the two insulating sleeves (6), a plurality of first locking screws (5) penetrate through threads on the side wall of each insulating sleeve (6), and the first locking screw (5) is arranged close to the opening of the insulating sleeve (6), and two locking mechanisms (15) corresponding to the L-shaped conductive cylinders (4) are arranged on the outer wall of the insulating sleeve (6).

2. The free-rotation vertical connection device of power cables as claimed in claim 1, wherein the locking mechanism (15) comprises a sliding pin (8) penetrating through the insulating sleeve (6) and a gear ring (14) fixedly sleeved outside the L-shaped conductive cylinder (4), the sliding pin (8) and the gear ring (14) are arranged in a matching manner, the outer side wall of the insulating sleeve (6) is provided with a groove, the groove is arranged at one side of the sliding pin (8) far away from the first locking screw (5), the inner wall of the groove is connected with the connecting rod (9) through a spring (10), the connecting rod (9) is rotatably connected with the sliding pin (8) through a first rotating shaft (11), and the connecting rod (9) is further rotatably connected with the side wall of the insulating sleeve (6) through a second rotating shaft (12).

3. The free-rotation vertical connection device for power cables as claimed in claim 1, wherein the ends of the insulating sleeve (6) and the conductive sleeve (7) close to the L-shaped insulating cylinder (3) and the L-shaped conductive cylinder (4) are both provided with annular grooves, and the two ends of the L-shaped insulating cylinder (3) and the L-shaped conductive cylinder (4) are both provided with protrusions matched with the annular grooves, the protrusions are embedded into the annular grooves, the inner walls of the annular grooves are fixedly provided with bearings, and the protrusions are rotatably connected with the annular grooves through the bearings.

4. A freely rotating vertical connection for electric power cables, according to claim 2, characterized in that the sliding pin (8) is made of insulating material of wood.

5. A freely rotating vertical connection device for electric power cables as claimed in claim 1, characterised in that the inner wall of said conductive sleeve (7) is provided with a threaded hole in which a second locking screw (13) is provided, and the conductive sleeve (7) and the insulating sleeve (6) are fixedly connected by means of the second locking screw (13).

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