CN213242046U

CN213242046U - Connect stable photovoltaic cable

Info

Publication number: CN213242046U
Application number: CN202022595422.1U
Authority: CN
Inventors: 李前进
Original assignee: Jiangsu Xinshang New Material Technology Co ltd
Current assignee: Jiangsu Xinshang New Material Technology Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-05-18
Anticipated expiration: 2030-11-11

Abstract

The utility model relates to the technical field of cables, and a connect stable photovoltaic cable is disclosed, including first cable and second cable. This connect stable photovoltaic cable, buckle the degree through preventing that the cover carries on spacingly to first cable and second cable, avoid first cable and second cable to cause the condition of droing or breaking at the in-process of buckling to take place, the second draw-in groove looks joint on first draw-in groove on the rethread stopper and lower end cover and the upper end cover, and make first cable and second cable more connect stably in lower end cover and upper end cover inside, avoid first cable and second cable to cause the condition emergence that drops at rolling or tensile in-process, carry on spacingly to stop nut through anti-skidding gasket at last, make stop nut drive second connection piece and go-between laminating tightly urge, avoid taking place not hard up and cause contact failure's condition to take place between second connection piece and the go-between, reach the effect of simple convenient high stability connection.

Description

Connect stable photovoltaic cable

Technical Field

The utility model relates to the technical field of cables, specifically be a connect stable photovoltaic cable.

Background

Solar energy technology will become one of green energy technology in the future, solar energy or Photovoltaic (PV) is widely applied in China, besides the rapid development of photovoltaic power plants supported by governments, private investors are actively building factories and planning to put in production solar modules sold globally, the characteristics of a photovoltaic cable are determined by special insulating materials and sheathing materials of the cable, namely cross-linked PE, after irradiation of an irradiation accelerator, the molecular structure of the cable material is changed, so that the performance of the cable material in all aspects is provided, in practice, the cable can be wired on the sharp edge of a roof structure during installation and maintenance, and simultaneously the cable is required to bear pressure, bending, tension, cross tensile load and strong impact, if the strength of the cable sheathing is not enough, the cable insulating layer is seriously damaged, so that the service life of the whole cable is influenced, or cause problems such as short circuits, fire hazards, and danger of personal injury.

The conventional photovoltaic cable is generally connected through a single bolt, the connection stability is poor, poor contact is easily caused, and the normal use of the cable is affected, so that the photovoltaic cable with stable connection is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a connect stable photovoltaic cable possesses advantages such as connection stability, has solved traditional photovoltaic cable and generally has connected through single bolt, and its connection stability is poor, leads to contact failure easily and influences the problem of the normal use of cable.

(II) technical scheme

For the purpose that realizes above-mentioned connection stability, the utility model provides a following technical scheme: a photovoltaic cable stable in connection comprises a first cable and a second cable, wherein the outer walls of the first cable and the second cable are respectively sleeved with an anti-folding sleeve, the outer walls of the first cable and the second cable are respectively fixedly provided with a limiting block at the opposite side of the anti-folding sleeve, the inner parts of the first cable and the second cable are respectively fixedly provided with a cable core, the opposite sides of the cable core are respectively fixedly provided with a connecting ring, the bottom of the connecting ring is movably provided with a first connecting sheet, the top of the first connecting sheet is fixedly provided with a screw rod which penetrates through and extends to the upper part of the connecting ring, the outer wall of the screw rod is movably provided with a second connecting sheet at the upper part of the connecting ring, the outer wall of the screw rod is movably provided with an anti-skidding gasket at the upper part of the second connecting sheet, the outer wall of the screw rod is movably provided with a limiting nut at the upper, the top movable mounting of stopper has the upper end cover, first draw-in groove has been seted up to the outer wall of stopper, the second draw-in groove that corresponds with first draw-in groove has all been seted up to the opposite side of lower extreme cover and upper end cover, the through-hole has all been seted up at the top of lower extreme cover and upper end cover, the inside movable mounting of through-hole has connecting bolt.

Preferably, the outer wall of the anti-folding sleeve is provided with a folding groove, and the anti-folding sleeve and the limiting block are both made of elastic rubber.

Preferably, the connection mode of the connection ring and the cable core is welding, and the first connection sheet and the second connection sheet are both metal conductive sheets.

Preferably, the number of the screws is two, and the two screws are symmetrically distributed at the top of the first connecting piece.

Preferably, the top of the anti-skid gasket is provided with a first tooth groove, and the bottom of the limiting nut is provided with a second tooth groove meshed with the first tooth groove.

Preferably, the first clamping groove is an annular groove, and the second clamping groove is a semicircular arc groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a connect stable photovoltaic cable possesses following beneficial effect:

the photovoltaic cable with stable connection limits the bending degree of the first cable and the second cable through the anti-folding sleeve, avoids the first cable and the second cable from falling off or breaking off in the bending process, is clamped with the second clamping grooves on the lower end cover and the upper end cover through the first clamping groove on the limiting block, and the first cable and the second cable are connected more stably in the lower end cover and the upper end cover, the first cable and the second cable are prevented from falling off in the rolling or stretching process, and finally the limiting nut is limited by the anti-skid gasket, the limiting nut drives the second connecting piece to be tightly attached to the connecting ring, the situation that contact failure is caused due to looseness between the second connecting piece and the connecting ring is avoided, the effect of simple, convenient and high-stability connection is achieved, and therefore the connection stability of the photovoltaic cable is improved.

Drawings

FIG. 1 is a sectional view of the present invention;

fig. 2 is a top view of the present invention.

In the figure: the cable comprises a first cable 1, a second cable 2, an anti-folding sleeve 3, a limiting block 4, a cable core 5, a connecting ring 6, a first connecting sheet 7, a screw rod 8, a second connecting sheet 9, an anti-skidding gasket 10, a limiting nut 11, a lower end cover 12, an upper end cover 13, a first clamping groove 14, a second clamping groove 15, a through hole 16 and a connecting bolt 17.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a photovoltaic cable with stable connection comprises a first cable 1 and a second cable 2, wherein anti-bending sleeves 3 are sleeved on outer walls of the first cable 1 and the second cable 2, stop blocks 4 are fixedly mounted on outer walls of the first cable 1 and the second cable 2 and located on opposite sides of the anti-bending sleeves 3, bending grooves are formed in the outer walls of the anti-bending sleeves 3, the anti-bending sleeves 3 and the stop blocks 4 are both made of elastic rubber, cable cores 5 are fixedly mounted inside the first cable 1 and the second cable 2, connecting rings 6 are fixedly mounted on opposite sides of the cable cores 5, first connecting pieces 7 are movably mounted at bottoms of the connecting rings 6, screws 8 penetrating through and extending above the connecting rings 6 are fixedly mounted at tops of the first connecting pieces 7, the number of the screws 8 is two, the two screws 8 are symmetrically distributed on the tops of the first connecting pieces 7, second connecting pieces 9 are movably mounted on outer walls of the screws 8 and located above the connecting rings 6, the connecting mode of the connecting ring 6 and the cable core 5 is welding, the first connecting sheet 7 and the second connecting sheet 9 are both metal conductive sheets, an anti-slip gasket 10 is movably installed on the outer wall of the screw rod 8 and above the second connecting sheet 9, a limit nut 11 is movably installed on the outer wall of the screw rod 8 and above the anti-slip gasket 10, a first tooth socket is arranged at the top of the anti-slip gasket 10, a second tooth socket meshed with the first tooth socket is arranged at the bottom of the limit nut 11, a lower end cover 12 is movably installed at the bottom of the limit block 4, an upper end cover 13 is movably installed at the top of the limit block 4, a first clamping groove 14 is arranged on the outer wall of the limit block 4, second clamping grooves 15 corresponding to the first clamping grooves 14 are respectively arranged at the opposite sides of the lower end cover 12 and the upper end cover 13, the first clamping grooves 14 are annular grooves, the second clamping grooves 15 are semi-arc, the connecting bolt 17 is movably arranged in the through hole 16, the bending degree of the first cable 1 and the second cable 2 is limited through the anti-folding sleeve 3, the first cable 1 and the second cable 2 are prevented from falling off or breaking off in the bending process, the first clamping groove 14 on the limiting block 4 is clamped with the second clamping groove 15 on the lower end cover 12 and the upper end cover 13, the first cable 1 and the second cable 2 are connected stably in the lower end cover 12 and the upper end cover 13, the falling off of the first cable 1 and the second cable 2 in the rolling or stretching process is avoided, finally, the limiting nut 11 is limited through the anti-slip gasket 10, the limiting nut 11 drives the second connecting sheet 9 to be tightly attached to the connecting ring 6, the situation that poor contact is caused by looseness between the second connecting sheet 9 and the connecting ring 6 is avoided, and the effect of simple, convenient and high-stability connection is achieved, thereby improving the connection stability of the photovoltaic cable.

To sum up, the photovoltaic cable with stable connection limits the bending degree of the first cable 1 and the second cable 2 through the anti-bending sleeve 3, avoids the first cable 1 and the second cable 2 from falling off or breaking off in the bending process, is clamped with the second clamping grooves 15 on the lower end cover 12 and the upper end cover 13 through the first clamping grooves 14 on the limiting block 4, ensures that the first cable 1 and the second cable 2 are connected more stably inside the lower end cover 12 and the upper end cover 13, avoids the first cable 1 and the second cable 2 from falling off in the rolling or stretching process, and finally limits the limiting nut 11 through the anti-slip gasket 10, so that the limiting nut 11 drives the second connecting sheet 9 to be tightly attached to the connecting ring 6, avoids the situation that the second connecting sheet 9 is loose from the connecting ring 6 to cause poor contact, and achieves the effect of simple, convenient and high-stability connection, therefore, the connection stability of the photovoltaic cable is improved, and the problem that the normal use of the cable is affected due to poor connection stability caused by poor contact caused by the fact that the conventional photovoltaic cable is generally connected through a single bolt is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A connection-stable photovoltaic cable comprising a first cable (1) and a second cable (2), characterized in that: the anti-folding sheath (3) is sleeved on the outer walls of the first cable (1) and the second cable (2), a limiting block (4) is fixedly mounted on the opposite sides of the anti-folding sheath (3) on the outer walls of the first cable (1) and the second cable (2), a cable core (5) is fixedly mounted inside the first cable (1) and the second cable (2), a connecting ring (6) is fixedly mounted on the opposite sides of the cable core (5), a first connecting sheet (7) is movably mounted at the bottom of the connecting ring (6), a screw rod (8) penetrating through and extending to the upper side of the connecting ring (6) is fixedly mounted at the top of the first connecting sheet (7), a second connecting sheet (9) is movably mounted on the outer wall of the screw rod (8) above the connecting ring (6), and an anti-skidding gasket (10) is movably mounted on the outer wall of the screw rod (8) above the second connecting sheet (9), the outer wall of screw rod (8) and the top movable mounting that is located anti-skidding gasket (10) have stop nut (11), the bottom movable mounting of stopper (4) has lower end cover (12), the top movable mounting of stopper (4) has upper end cover (13), first draw-in groove (14) have been seted up to the outer wall of stopper (4), second draw-in groove (15) that correspond with first draw-in groove (14) have all been seted up to the opposite side of lower end cover (12) and upper end cover (13), through-hole (16) have all been seted up at the top of lower end cover (12) and upper end cover (13), the inside movable mounting of through-hole (16) has connecting bolt (17).

2. A connection-stabilized photovoltaic cable as claimed in claim 1, characterized in that: the outer wall of the anti-folding sleeve (3) is provided with a folding groove, and the anti-folding sleeve (3) and the limiting block (4) are both arranged between elastic rubbers.

3. A connection-stabilized photovoltaic cable as claimed in claim 1, characterized in that: the connecting mode of the connecting ring (6) and the cable core (5) is welding, and the first connecting sheet (7) and the second connecting sheet (9) are both metal conducting sheets.

4. A connection-stabilized photovoltaic cable as claimed in claim 1, characterized in that: the number of the screw rods (8) is two, and the two screw rods (8) are distributed on the top of the first connecting piece (7) in a bilateral symmetry mode.

5. A connection-stabilized photovoltaic cable as claimed in claim 1, characterized in that: a first tooth groove is formed in the top of the anti-skid gasket (10), and a second tooth groove meshed with the first tooth groove is formed in the bottom of the limiting nut (11).

6. A connection-stabilized photovoltaic cable as claimed in claim 1, characterized in that: the first clamping groove (14) is an annular groove, and the second clamping groove (15) is a semi-arc groove.