CN210984366U

CN210984366U - Photovoltaic cable

Info

Publication number: CN210984366U
Application number: CN201921710441.5U
Authority: CN
Inventors: 曹铭明; 楚晓阳
Original assignee: Nanjing Hengmei Cable Co ltd
Current assignee: Nanjing Hengmei Cable Co ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-07-10
Anticipated expiration: 2029-10-12

Abstract

The utility model belongs to the technical field of the technique of cable and specifically relates to a photovoltaic cable is related to, set up a plurality of electric wires in the sheath including sheath and array, be equipped with central core in the sheath, be equipped with the fixture block on the central core, per two are adjacent be equipped with the arc wall between the fixture block, the standing groove has been seted up on the fixture block, the brace has been put in the standing groove, the fixture block is close to standing groove one end and has seted up the cooperation groove with brace complex, be equipped with the fixed establishment who is used for fixed brace on the fixture block. It has the effect of conveniently changing inside electric wire.

Description

Photovoltaic cable

Technical Field

The utility model belongs to the technical field of the technique of cable and specifically relates to a photovoltaic cable is related to.

Background

Cable is a generic term for optical cables, electrical cables, and the like. The cable has many purposes, is mainly used for controlling installation, connecting equipment, transmitting power and the like, and is a common and indispensable thing in daily life. The development speed of photovoltaic cables, one of the important components in the photovoltaic industry chain, is also rapidly progressing.

Chinese patent with publication number CN205004062U discloses a photovoltaic cable, which comprises conductors, an insulating layer, a rubber filling layer, a corrugated aluminum layer and a protective layer, wherein the insulating layer is coated on the conductors, the rubber filling layer is filled between the conductors, the corrugated aluminum layer is coated on the rubber filling layer, and the protective layer is coated on the corrugated aluminum layer. This photovoltaic cable, insulating layer adopt the double-deck insulation of cross-linking low smoke and zero halogen fire-retardant polyolefin for the inside conductor of cable has very strong fire-retardant gathering, resistant cut mark and resistant punchthrough nature, uses the rubber filling layer to separate the conductor in the insulating layer, improves the resistant distortion performance of cable, and the carbon dioxide in the hole absorption air of the interior calcium hydroxide of sodium hydroxide sees through the outer jacket solidifies slowly, builds an alkaline environment outside the armor.

The above prior art suffers from the following disadvantages: the cable is in whole photovoltaic cable, be in the same place with insulating layer and rubber filling adhesion, when inside cable damaged, the operator need cut insulating layer and rubber filling and cut apart and change the repair, just leads to the operator to be very inconvenient to the maintenance of cable, consuming time and wasting force.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a photovoltaic cable, it has the effect of conveniently changing inside electric wire.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a photovoltaic cable, includes sheath and a plurality of electric wires of array setting in the sheath, be equipped with central core in the sheath, be equipped with the fixture block on the central core, per two are adjacent be equipped with the arc wall between the fixture block, the standing groove has been seted up on the fixture block, the brace has been put in the standing groove, the fixture block is close to standing groove one end and has seted up the cooperation groove with brace complex, be equipped with the fixed establishment who is used for fixed brace on the fixture block.

By adopting the technical scheme, when the electric wire is installed in the sheath, an operator firstly presses each electric wire into the arc-shaped groove, then pulls out the pull strip from the placing groove, bypasses the electric wire after pulling out, compacts the electric wire into the arc-shaped groove, then clamps the extending end of the pull strip into the matching groove, fixes the position of the pull strip by using the fixing mechanism, and then can realize the connection of the electric wire and the arc-shaped groove; when the electric wire is dismantled to needs, the operator can take out the electric wire from the arc wall with the fixed establishment unblock this moment, realizes the change of electric wire, utilizes this structure can make things convenient for the dismouting of electric wire, and the operator can be convenient and fast more when maintaining the electric wire for the efficiency of work.

The utility model discloses further set up to: the fixing mechanism comprises a clamping rod which is rotatably connected in a matching groove, the rotating plane of the clamping rod is arranged along the length of the vertical central wire core, a pressing plate is arranged at the upper end of the clamping rod, close to one end of the brace, an elastic piece which drives the lower end of the clamping rod to move towards the direction of the groove wall far away from the matching groove is arranged in the matching groove, a protruding block is arranged at the lower end of the clamping rod, and a driving part which drives the clamping rod to rotate is arranged on the clamping block.

Through adopting above-mentioned technical scheme, the operator utilizes drive assembly to remove the kelly lower extreme to the cell wall direction that is close to the cooperation groove earlier when the installation electric wire, and the back operator that removes impresses the brace to the cooperation inslot, then the operator uses drive assembly reverse again, and drive assembly extrudees the kelly lower extreme, with kelly upper end to the upset of cooperation inslot, utilizes the clamp plate to compress tightly the brace after the upset, realizes the fixed of brace.

The utility model discloses further set up to: the driving part comprises a transverse groove formed in the fixture block, a clamping sleeve is connected in the transverse groove in a rotating mode, a connecting rod is connected in the clamping sleeve in a sliding mode, the rotating plane of the connecting rod is perpendicular to the length of the central wire core, the lower end of the transverse groove is communicated with the matching groove, a connecting rod is connected in the transverse groove in a sliding mode along the length direction of the central wire core in a connecting mode, the lower end of the connecting rod is hinged to the connecting rod, a bottom block which is abutted to the projection after sliding is arranged at the front end of the connecting rod, and a spring which drives the connecting rod to move towards the matching groove is connected between the rear end.

By adopting the technical scheme, an operator firstly shifts the connecting rod to the direction close to the upper end of the clamping rod, pushes the side link rod backwards after shifting, then pushes the lower end of the clamping rod out under the driving of the elastic piece, then exposes the matching groove, and can put the brace at the moment; then the operator reverses to stir the connecting rod, and the connecting rod drives the side link, and the lug is stirred to the side link, presses the card pole lower extreme toward cooperation groove cell wall department, can realize the rotation of card pole, and this structural spring can guarantee that the side link is all the time to the removal of cooperation inslot, realizes that the card pole remains the effect of upper end oppression all the time, this simple structure to connect closely, compress tightly respond well.

The utility model discloses further set up to: the placing groove is rotatably connected with a placing rod, a rotating plane of the placing rod is arranged along the length direction of a central wire core perpendicular to the placing rod, the brace is wound on the placing rod, a flanging abutted against the groove edge of the placing groove is arranged at the front end of the brace, and a torsion spring for recovering the brace is arranged on a rotating shaft of the placing rod.

Through adopting above-mentioned technical scheme, when extracting the brace from the cooperation groove, the operator only needs the unblock with fixed establishment, can make the brace revolve the standing groove fast after the unblock in, realize withdrawing fast of brace, this structure can conveniently be with the rolling operation of brace for when the brace does not use, firm rolling can not occupy the exterior space in the standing groove, and the brace rolling is difficult to the damage when in the standing groove simultaneously.

The utility model discloses further set up to: and a polyamide resin layer is adhered between the electric wire and the sheath.

By adopting the technical scheme, the polyamide resin has the characteristics of high wear resistance, heat resistance, good toughness, high bonding strength and the like, and the coating is utilized to protect the internal electric wire, so that the toughness of the cable is improved, and meanwhile, the coating also has certain flame retardance and the heat resistance of the whole cable is improved.

To sum up, the utility model discloses a beneficial technological effect does:

1. the structure can be used for more conveniently dismounting and mounting the electric wire, so that an operator can more conveniently and quickly maintain the cable, and the working efficiency is improved;

2. the polyamide resin layer is used for protecting the inner cable, so that the toughness of the cable is improved, and meanwhile, the polyamide resin layer has certain flame retardance and the heat resistance of the whole cable is improved.

Drawings

Fig. 1 is a schematic view of the external overall structure of the present invention.

Fig. 2 is a transverse cross-sectional view of a brace member of the present invention.

Fig. 3 is an enlarged schematic view of a portion a of fig. 2.

Fig. 4 is a schematic view of the fixing mechanism and the driving member of the present invention.

Fig. 5 is a sectional view of the driving part of the present invention.

Fig. 6 is a schematic view of the layer structure of the present invention.

In the figure, 1, a sheath; 11. an electric wire; 12. a central core; 13. an arc-shaped slot; 14. a clamping block; 15. a placement groove; 16. bracing; 17. a mating groove; 18. flanging; 2. a fixing mechanism; 21. a clamping rod; 22. pressing a plate; 23. an elastic member; 24. a bump; 25. a torsion spring; 26. placing a rod; 3. a drive member; 31. a transverse groove; 32. a connecting rod; 33. a side link; 34. a bottom block; 35. a spring; 36. a card sleeve; 4. and a polyamide resin layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A photovoltaic cable, as shown in fig. 1 and 3, comprises a sheath 1, electric wires 11 arranged in the sheath 1 in an array mode, and a central core 12 arranged among a plurality of electric wires 11, wherein the central core 12 is used for receiving the electric wires 11. Then, arc-shaped grooves 13 for placing the electric wires 11 are formed in the central wire core 12, a clamping block 14 is arranged between every two adjacent arc-shaped grooves 13, a placing groove 15 is formed in each clamping block 14, a brace 16 is stored in each placing groove 15, and each brace 16 is made of a flexible material. The end, close to the placing groove 15, of the fixture block 14 is provided with a matching groove 17 matched with the pulling strip 16, meanwhile, the fixture block 14 is provided with a fixing mechanism 2 used for fixing the pulling strip 16, when an operator needs to install the electric wire 11, the operator firstly pulls the pulling strip 16 out of the placing groove 15, bypasses the electric wire 11 after pulling out, is clamped into the matching groove 17, and fixes the pulling strip 16 by using the fixing mechanism 2, so that the installation operation of the electric wire 11 is completed. A placing rod 26 is rotatably connected in the placing groove 15, and a rotating plane of the placing rod 26 is arranged in a direction perpendicular to the length direction of the central core 12. The brace 16 is wound on the placing rod 26, a flange 18 is arranged at the front end of the brace 16, and a torsion spring 25 for driving the brace 16 to retract is arranged on the placing rod 26.

As shown in fig. 2 and 3, in the present embodiment, the fixing mechanism 2 includes a catching bar 21 rotatably coupled in the fitting groove 17, the catching bar 21 is coupled to a side wall of the fitting groove 17, and a rotation plane of the catching bar 21 is disposed in a direction perpendicular to a length direction of the central core 12. Meanwhile, a pressing plate 22 is arranged at the upper end of the clamping rod 21 close to one end of the pulling strip 16, and the pressing plate 22 can be extruded with the side wall of the matching groove 17 after the clamping rod 21 rotates. And an elastic member 23 for driving the lower end of the locking rod 21 to move in a direction away from the wall of the engaging groove 17 is provided in the engaging groove 17, and in this embodiment, the elastic member 23 is a spring. The lower end of the clamping rod 21 is provided with a convex block 24, the convex block 24 is a semicircular block, then the fixture block 14 is provided with a driving part 3 for driving the clamping rod 21 to rotate, the driving part 3 can drive the clamping rod 21 to rotate, and the clamping rod 21 can drive the pressing block to move towards the groove wall far away from or close to the matching groove 17.

As shown in fig. 4 and 5, in the present embodiment, the driving member 3 includes a lateral groove 31 opened on the latch 14, and the lateral groove 31 communicates with the fitting groove 17. A ferrule 36 is also rotatably coupled within the transverse slot 31, and a link 32 is slidably coupled to the ferrule 36 such that the link 32 can rotate within the transverse slot 31. Then the upper end of the connecting rod 32 is arranged to extend outwards from the transverse groove 31, while the rotation plane of the connecting rod 32 is arranged in the length direction perpendicular to the central core 12, and a side link 33 is hinged to the lower end of the connecting rod 32, the side link 33 is arranged between the transverse groove 31 and the matching groove 17 in a penetrating way and connects the transverse groove 31 with the matching groove 17, and the side link 33 is arranged in the length direction of the central core 12. Simultaneously still be equipped with a bottom block 34 with lug 24 looks butt in the front end of side link 33, still be connected with a drive side link 33 simultaneously between the rear end of side link 33 and cooperation groove 17 and move to cooperation groove 17 spring 35, just make bottom block 34 and lug 24 keep the butt, and then can promote the rotation of kelly 21 lower extreme, can make the kelly 21 upper end rotate to the cell wall department of cooperation groove 17 after the rotation. When the operator needs to install the brace 16, the operator firstly pulls out the brace 16 from the placing groove 15, bypasses the electric wire 11 after pulling out, and then the operator stirs the connecting rod 32 to drive the lower end of the connecting rod 33 to move backwards, so that the bump 24 at the lower end of the clamping rod 21 after moving is not abutted to the bottom block 34 any more, and then the lower end of the clamping rod 21 rebounds under the driving of the spring 35. The operator snaps the bar 16 into the mating groove 17, and at this time, the operator releases his hand, the link 32 rebounds, and the side link 33 moves forward, so that the side link 33 presses the lower end of the clamping bar 21, and the pressing plate 22 presses the bar 16.

As shown in fig. 6, a polyamide resin layer 4 is bonded between the electric wire 11 and the sheath 1, and the polyamide resin layer 4 is mainly composed of a polyamide resin. The polyamide resin has the characteristics of wear resistance, heat resistance, good toughness, high bonding strength and the like, and further, the coating can be used for protecting the internal electric wire 11 and increasing the toughness of the electric wire 11.

The specific implementation principle of the embodiment is as follows: when an operator installs the electric wire 11, the operator firstly pulls the connecting rod 32 towards the interior of the matching groove 17, and the lower end of the connecting rod 32 drives the side link 33 to slide in the horizontal direction, so that the front end of the side link 33 is far away from the lower end of the clamping rod 21. After the separation, the lower end of the clamping rod 21 swings out of the matching groove 17 under the driving of the spring 35, and then the pressing plate 22 moves to the groove wall of the matching groove 17. The operator then pulls the pull tab 16 from the placement slot 15 and then passes around the wire 11 and snaps into the mating slot 17. Then the operator loosens his hand, and after loosening his hand, the side link 33 rebounds under the driving of the spring 35, so that the side link 33 abuts against the lower end of the clamping rod 21 again, the lower end of the clamping rod 21 moves towards the wall of the matching groove 17, the upper end of the clamping rod 21 moves towards the matching groove 17, and the pressing plate 22 presses the pulling strip 16, thereby completing the installation of the electric wire 11.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. A photovoltaic cable, includes sheath (1) and a plurality of electric wires (11) of array setting in sheath (1), characterized by: the cable is characterized in that a central wire core (12) is arranged in the sheath (1), clamping blocks (14) are arranged on the central wire core (12), an arc-shaped groove (13) is formed between every two adjacent clamping blocks (14), a placing groove (15) is formed in each clamping block (14), a brace (16) is stored in each placing groove (15), one end, close to each placing groove (15), of each clamping block (14) is provided with a matching groove (17) matched with the brace (16), and a fixing mechanism (2) used for fixing the brace (16) is arranged on each clamping block (14).

2. A photovoltaic cable as claimed in claim 1, wherein: fixing mechanism (2) are including rotating card pole (21) of connecting in cooperation groove (17), card pole (21) rotation plane sets up along perpendicular and central sinle silk (12) length, card pole (21) upper end is close to brace (16) one end and is equipped with clamp plate (22), be equipped with elastic component (23) that drive card pole (21) lower extreme removed to the cell wall direction of keeping away from cooperation groove (17) in cooperation groove (17), card pole (21) lower extreme is equipped with lug (24), be equipped with drive card pole (21) pivoted driver part (3) on fixture block (14).

3. A photovoltaic cable as claimed in claim 2, wherein: the driving part (3) comprises a transverse groove (31) formed in a clamping block (14), a clamping sleeve (36) is rotationally connected in the transverse groove (31), a connecting rod (32) is connected in the clamping sleeve (36) in a sliding mode, the rotating plane of the connecting rod (32) is perpendicular to the length of a central wire core (12), the lower end of the transverse groove (31) is communicated with a matching groove (17), a connecting rod (33) is connected in the transverse groove (31) in a sliding mode along the length direction of the central wire core (12), the lower end of the connecting rod (32) is hinged to the connecting rod (33), a bottom block (34) which is abutted to a bump (24) after sliding is arranged at the front end of the connecting rod (33), and a spring (35) which drives the connecting rod (33) to move towards the matching groove (17) is connected between the rear end of the connecting rod (33) and the transverse groove (31).

4. A photovoltaic cable as claimed in claim 3, wherein: the utility model discloses a bracing piece, including standing groove (15), standing groove (15) internal rotation is connected with places pole (26), place pole (26) rotation plane along perpendicular to central sinle silk (12) length direction setting, brace (16) winding sets up on placing pole (26), brace (16) front end is equipped with turn-ups (18) with standing groove (15) trough rim butt, be equipped with torsional spring (25) of retrieving brace (16) in the pivot of placing pole (26).

5. A photovoltaic cable as claimed in claim 1, wherein: a polyamide resin layer (4) is bonded between the electric wire (11) and the sheath (1).