CN220586245U - Cable unreeling and winding structure of photovoltaic junction box - Google Patents

Abstract

The utility model relates to a photovoltaic terminal box technical field, and disclose a cable unreeling structure of photovoltaic terminal box, the power distribution box comprises a box body, the rear side inner wall of box body rotates and is connected with the pivot, the outside fixedly connected with coil spring of pivot, the outside and be located coil spring front side fixedly connected with ratchet of pivot, the rear side wall of box body just is located the rotation of pivot upper right side and is connected with the horizontal pole, the one end fixedly connected with pawl of horizontal pole, the one end that the pawl kept away from the horizontal pole blocks with ratchet looks block, the box body rear side inner wall just is located horizontal pole below fixedly connected with horizontal piece, the outside fixedly connected with reset spring of horizontal piece, the one end that the reset spring kept away from horizontal piece and the outside fixedly connected with of pawl, the outside and be located ratchet front side winding of pivot is provided with the cable; compared with the prior art, the photovoltaic junction box in the application can be used for paying off the electric appliance in any length when the electric appliance is charged, after the charging is finished, the cable can be wound at the initial position again, the protection effect is achieved on the cable, and the degree of automation is high.

Description

Cable unreeling and winding structure of photovoltaic junction box

Technical Field

The application relates to the technical field of photovoltaic junction boxes, in particular to a cable unreeling structure of a photovoltaic junction box.

Background

The solar battery module junction box is very important in the composition of the solar battery module, and mainly aims to connect the power generated by the solar battery with an external circuit, and the cable inlet and the cable outlet of the traditional photovoltaic junction box are directly connected with an internal power supply device through a wiring hole.

With respect to the above related art, the inventor believes that in the prior art, when the photovoltaic junction box is connected to an external electric appliance through a cable, because the distance between the electric appliance and the junction box is inconsistent, the electric appliance may drag and drop the wires on the ground or inside the junction box, so that the cable may be damaged, and the cable needs to be manually arranged at ordinary times, and the cable unwinding and winding structure of the photovoltaic junction box has defects, so that the problem is solved.

The above information disclosed in this background section is only for enhancement of understanding of the background section of the application and therefore it may not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

In order to solve prior art, photovoltaic terminal box is when being connected with outside electrical apparatus through the cable, because electrical apparatus is inconsistent from terminal box distance, consequently can appear that the wire drags and drops in ground or drags and drops inside the terminal box, consequently can cause the damage to the cable, and needs manual arrangement problem at ordinary times, this application provides a cable of photovoltaic terminal box and puts winding structure. The application provides a cable unreeling structure of photovoltaic terminal box adopts following technical scheme:

the utility model provides a cable of photovoltaic terminal box is put and is coiled structure, includes the box body, the rear side inner wall of box body rotates and is connected with the pivot, the outside fixedly connected with coil spring of pivot, the outside just is located coil spring front side fixedly connected with ratchet of pivot, the rear side wall of box body just is located the pivot upper right side and rotates and be connected with the horizontal pole, the one end fixedly connected with pawl of horizontal pole, the one end that the pawl was kept away from to the horizontal pole extends to the box body outside, the one end that the pawl kept away from the horizontal pole with the ratchet looks block, box body rear side inner wall just is located the horizontal pole below fixedly connected with horizontal piece, the outside fixedly connected with reset spring of horizontal piece, the one end and the outside fixedly connected with of pawl of horizontal piece are kept away from to reset spring, the outside of pivot just is located the winding of ratchet front side and is provided with the cable, when the cable is taken out, can drive the pivot and rotate, and then hold the power, can drive the ratchet and fix with the ratchet when the pivot rotates for the continuous ratchet card, and then the ratchet is fixed, also makes by the rolling, the elasticity that the pivot can not receive the cable is convenient for pay off to the coil spring.

Preferably, an annular plate for limiting the position of the coil spring is fixedly connected to the inner wall of the rear side of the box body, and the position of the coil spring is limited through the annular plate, so that the coil spring is prevented from being dispersed.

Preferably, the inside of the box body is provided with a power supply, one end of the cable is connected with the power supply, one end of the cable, which is far away from the power supply, extends to the outside of the box body and is provided with an access head, and the access head is connected with an external power utilization device so as to supply power to the external power utilization device.

Preferably, the engaging lugs are mounted on two sides of the top of the box body, threaded holes are formed in the engaging lugs, and the box body can be fixedly mounted on the corresponding supporting platform through the threaded holes.

Preferably, the front side of box body installs the observation window, can see the inside condition of box body through the observation window to in time know the real-time condition of inside cable or other components.

In summary, the present application includes the following beneficial technical effects:

1. when the cable is pulled out, the rotating shaft is driven to rotate, the coil spring is further subjected to force accumulation, the rotating shaft is rotated to drive the ratchet wheel to rotate, the pawl is continuously clamped with the ratchet wheel under the action of the reset spring, the ratchet wheel is further fixed at any time, the rotating shaft is also fixed when the ratchet wheel is fixed, the rotating shaft cannot be wound by the elasticity of the coil spring to be convenient for winding the cable, the cable is wound, when the cable is required to be wound, the transverse rod is rotated outside the box body, the pawl is driven to rotate, the pawl is separated from the ratchet wheel, at the moment, the constraint of the ratchet wheel is released, the coil spring stores energy and releases, the rotating shaft is driven to reversely rotate to return to the initial position, and the cable is wound in the process of reverse rotation of the rotating shaft; compared with the prior art, the photovoltaic junction box in the application can be used for paying off of any length when charging an electrical appliance, after charging, the cable can be wound at the initial position again, the protection effect is achieved on the cable, labor is saved when the cable is automatically unreeled, and the degree of automation is high.

Drawings

FIG. 1 is a first overall schematic of an embodiment of the application;

FIG. 2 is a second overall schematic of an embodiment of the application;

FIG. 3 is a schematic view of a first cross-sectional structure of an embodiment of the application;

FIG. 4 is a schematic diagram of a second cross-sectional structure of an embodiment of the application;

FIG. 5 is an enlarged schematic view of the structure shown at A in FIG. 1;

FIG. 6 is an enlarged schematic view of the structure at B in FIG. 3;

fig. 7 is an enlarged schematic view of the structure at C in fig. 4.

Reference numerals illustrate: 1. a case body; 2. a rotating shaft; 3. a coil spring; 4. a ratchet wheel; 5. a cross bar; 6. a pawl; 7. a return spring; 8. a cable; 9. an annular plate; 10. a power supply; 11. an access head; 12. a connecting lug; 13. a threaded hole; 14. a transverse block; 15. and an observation window.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-7.

The embodiment of the application discloses cable unwinding and winding structure of photovoltaic terminal box, refer to fig. 1-7, including box body 1, box body 1's rear side inner wall rotates and is connected with pivot 2, pivot 2's outside fixedly connected with coil spring 3, pivot 2 outside just is located coil spring 3 front side fixedly connected with ratchet 4, box body 1's rear side wall just is located pivot 2 upper right side rotation and is connected with horizontal pole 5, horizontal pole 5's one end fixedly connected with pawl 6, the one end that pawl 6 was kept away from to horizontal pole 5 extends to box body 1 outside, the one end that pawl 6 kept away from horizontal pole 5 and ratchet 4 looks block, box body 1 rear side inner wall just is located horizontal pole 5 below fixedly connected with transverse block 14, transverse block 14's outside fixedly connected with reset spring 7, transverse block 14 keeps away from the one end and pawl 6 outside fixedly connected with, pivot 2 outside just is located ratchet 4 front side winding and is provided with cable 8, can drive pivot 2 and rotate, and then carry out the power to coil spring 3, can drive ratchet 4 and rotate when pivot 2 rotates, make 6 incessantly with ratchet 4 block, and ratchet 4, and then will not receive the cable 8 by fixed to be fixed by the pivot 2 at any time, the cable 8 is fixed to the coiling is convenient for the axis 2, and is fixed to the pivot 2 is fixed to the cable is not to the coiling.

Referring to fig. 3 and 7, an annular plate 9 for restricting the position of the coil spring 3 is fixedly attached to the rear side inner wall of the case 1, and the position of the coil spring 3 is restricted by the annular plate 9, preventing the coil spring 3 from being dispersed.

Referring to fig. 3 to 4, a power supply 10 is installed inside the case 1, one end of a cable 8 is connected to the power supply 10, one end of the cable 8 remote from the power supply 10 extends to the outside of the case 1 and an access head 11 is installed, and the access head 11 is connected to an external power consumer, thereby supplying power to the external power consumer.

Referring to fig. 1-4, connecting lugs 12 are mounted on two sides of the top of the box body 1, threaded holes 13 are formed in the connecting lugs 12, and the box body 1 can be fixedly mounted on a corresponding supporting platform through the cooperation of the threaded holes 13 and bolts.

Referring to fig. 1, an observation window 15 is installed at the front side of the case 1, and the internal condition of the case 1 can be seen through the observation window 15, so that the real-time condition of the internal cable 8 or other elements can be known in time.

The implementation principle of the cable unreeling and winding structure of the photovoltaic junction box is as follows: the box body 1 can be fixedly installed on a corresponding supporting platform through the cooperation of the threaded holes 13 and bolts, the internal condition of the box body 1 can be seen through the observation window 15, so that the real-time condition of an internal cable 8 or other elements is known in time, the position of the coil spring 3 is limited through the annular plate 9, the coil spring 3 is prevented from being dispersed, the cable 8 is pulled out from the outside, the rotating shaft 2 can be driven to rotate, the coil spring 3 is further subjected to force accumulation, the rotating shaft 2 can drive the ratchet wheel 4 to rotate, the pawl 6 is continuously clamped with the ratchet wheel 4 under the action of the reset spring 7, the ratchet wheel 4 is further fixed at any time, the rotating shaft 2 is fixed when the ratchet wheel 4 is fixed, the rotating shaft 2 is not subjected to the elastic force of the coil spring 3, the cable 8 is conveniently wound, the cable 8 is put to a proper length, the access head 11 is connected with an external electrical appliance, the external electrical appliance is accordingly supplied with power, when the cable 8 is required to be wound, the transverse rod 5 is driven to rotate through the rotating outside the box body 1, the pawl 6 is driven to rotate, the pawl 6 is separated from the ratchet wheel 4, the reset spring 7 is restrained by the ratchet wheel 4, the reset spring 4 is released, the restraint of the rotating shaft 3 is released, the rotating shaft 2 is released from the rotating shaft 2 is released, and the rotating shaft 2 is released from the initial rotating position is released, and the rotating shaft 2 is released from the rotating shaft 2, and is wound and is completely when the rotating shaft 2 is completely and is wound; the photovoltaic terminal box in this application can carry out the unwrapping wire of arbitrary length when charging to the electrical apparatus, and after the charging, cable 8 can the rolling again can initial position.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (5)

1. The utility model provides a cable unreeling structure of photovoltaic terminal box, includes box body (1), its characterized in that: the novel box comprises a box body (1), wherein a rotating shaft (2) is rotationally connected to the inner wall of the rear side of the box body (1), a coil spring (3) is fixedly connected to the outer portion of the rotating shaft (2), a ratchet wheel (4) is fixedly connected to the outer portion of the rotating shaft (2) and located at the front side of the coil spring (3), a cross rod (5) is rotationally connected to the rear side wall of the box body (1) and located above the right side of the rotating shaft (2), a pawl (6) is fixedly connected to one end of the cross rod (5), one end of the pawl (6) is far away from the outer portion of the box body (1), one end of the pawl (6) far away from the cross rod (5) is clamped with the ratchet wheel (4), a transverse block (14) is fixedly connected to the inner wall of the rear side of the box body (1), a reset spring (7) is fixedly connected to the outer portion of the transverse block (14), one end of the reset spring (7) far away from the transverse block (14) is fixedly connected with the outer portion of the pawl (6), and a cable (8) is wound on the front side of the ratchet wheel (4).

2. The cable unreeling structure of a photovoltaic junction box of claim 1, wherein: the rear inner wall of the box body (1) is fixedly connected with an annular plate (9) for limiting the position of the coil spring (3).

3. The cable unreeling structure of a photovoltaic junction box of claim 1, wherein: the inside of box body (1) is installed power supply (10), one end of cable (8) is connected with power supply (10), the one end that power supply (10) was kept away from to cable (8) extends to box body (1) outside and installs access head (11).

4. The cable unreeling structure of a photovoltaic junction box of claim 1, wherein: the connecting lugs (12) are arranged on two sides of the top of the box body (1), and threaded holes (13) are formed in the connecting lugs (12).

5. The cable unreeling structure of a photovoltaic junction box of claim 1, wherein: an observation window (15) is arranged on the front side of the box body (1).