CN213426092U

CN213426092U - Waterproof dust-proof photovoltaic terminal box

Info

Publication number: CN213426092U
Application number: CN202021825467.7U
Authority: CN
Inventors: 严亮; 严维良
Original assignee: Jiangsu Jingke New Energy Technology Co ltd
Current assignee: Jiangsu Jingke New Energy Technology Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-06-11
Anticipated expiration: 2030-08-27

Abstract

The utility model relates to the technical field of photovoltaic junction boxes, and discloses a waterproof and dustproof photovoltaic junction box, which solves the problems that the photovoltaic junction box on the market at present has poor integral waterproof and dustproof effects and can not play a good protection effect on the interior of the photovoltaic junction box, and the connection steps of an upper cover and a main body shell are complicated and the quick assembly and disassembly are inconvenient, and comprises the main body shell and the upper cover, wherein a connecting port is arranged on the outer side of the main body shell. The overall waterproof and dustproof effect is effectively improved.

Description

Waterproof dust-proof photovoltaic terminal box

Technical Field

The utility model belongs to the technical field of the photovoltaic terminal box, specifically be a waterproof dust-protection type photovoltaic terminal box.

Background

The photovoltaic junction box is a connecting device between a solar cell array formed by solar cell modules and the solar charging control device, and is mainly used for connecting and protecting the solar cell modules, connecting electric power generated by the solar cells with an external circuit and conducting current generated by the photovoltaic modules.

But the photovoltaic terminal box on the existing market, holistic waterproof dirt-proof effect is relatively poor, can not play fine protection effect to photovoltaic terminal box inside, and traditional photovoltaic terminal box, upper cover and main body cover are connected the step comparatively complicacy simultaneously, are not convenient for carry out quick assembly disassembly.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a waterproof dust-protection type photovoltaic terminal box, the effectual photovoltaic terminal box of having solved on the existing market, holistic waterproof dirt-proof effect is relatively poor, can not play fine protection effect to photovoltaic terminal box inside, and traditional photovoltaic terminal box, upper cover and main body cover are connected the step comparatively complicacy simultaneously, are not convenient for carry out quick assembly disassembly's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a waterproof dust-protection type photovoltaic terminal box, includes main body cover and upper cover, the main body cover outside is provided with the connector, the inside connecting cable that is provided with of connector, main body cover top four sides are rotated and are provided with the lead screw, lead screw top fixed mounting has the fixture block, first seal groove has been seted up on main body cover top surface, the inside fixed first sealed piece that is provided with of first seal groove, upper cover surface four sides seted up with fixture block assorted connect the via hole, the fixed first sealed piece assorted extrusion piece that is provided with in upper cover bottom, the upper cover top is all fixed with the anticollision layer with the main body cover outside.

Preferably, the inner side of the top of the main body shell is opened and closed with a telescopic groove in threaded connection with the screw rod, and the surface of the screw rod is coated with an antirust agent.

Preferably, a second sealing block matched with the upper cover is fixedly arranged at the top of the main body shell, and the first sealing block and the second sealing block are both made of wear-resistant rubber materials.

Preferably, a second sealing groove is formed in the middle of the bottom of the inner side of the first sealing block, and a sealing convex block matched with the second sealing groove is fixedly arranged at the bottom of the extrusion block.

Preferably, the bottom of the clamping block is fixedly provided with a protective layer, and the surface of one side, away from the clamping block, of the protective layer is provided with anti-skid stripes.

Preferably, tensioning blocks are fixedly arranged on two sides of the sealing convex block, and waterproof layers are coated on the surfaces of the tensioning blocks and the surfaces of the extrusion blocks.

Compared with the prior art, the beneficial effects of the utility model are that:

1) in the work, the extrusion block is inserted into the first sealing block in the first sealing groove, the first sealing block is extruded through the extrusion block, so that preliminary sealing is achieved, meanwhile, the sealing lug at the bottom of the extrusion block is inserted into the second sealing groove, the sealing lug is more tightly attached to the second sealing groove through the tensioning block, meanwhile, the waterproof layer is arranged, the overall sealing effect is effectively improved, the second sealing block is extruded through the upper cover, the sealing effect is strengthened again, the overall waterproof and dustproof effects are effectively improved through multiple sealing, and external water and dust are prevented from entering the main body shell, so that a good effect is achieved;

2) the fixture block is rotated to the direction consistent with the connecting through hole, the fixture block is then passed through the connecting through hole, the lead screw is driven to rotate through the rotating fixture block, the lead screw is in threaded connection with the telescopic groove, the lead screw is retracted into the telescopic groove, the fixture block is enabled to move downwards to extrude the upper cover in a limiting mode, the effect of fixed connection is achieved, the protective layer is arranged, the effect of protecting the upper cover is achieved when the friction coefficient of the upper cover is improved, the fixture block only needs to be reversed when the upper cover needs to be disassembled, the fixture block is enabled to be consistent with the direction of the connecting through hole, the steps of disassembling and assembling are effectively simplified, and the speed of disassembling and assembling is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front view of the present invention;

FIG. 2 is a perspective view of the upper cover of the present invention;

fig. 3 is a cross-sectional view of a first seal groove of the present invention;

in the figure: 1. a main body housing; 2. an upper cover; 3. a connecting port; 4. connecting a cable; 5. a screw rod; 6. a clamping block; 7. a first seal groove; 8. a first seal block; 9. a connecting through hole; 10. extruding the block; 11. an anti-collision layer; 12. a telescopic groove; 13. a second seal block; 14. sealing the bump; 15. a protective layer; 16. a tensioning block; 17. a waterproof layer; 18. a second seal groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

In the first embodiment, as shown in fig. 1, fig. 2 and fig. 3, the utility model comprises a main body housing 1 and an upper cover 2, a connector 3 is arranged on the outer side of the main body housing 1, a connecting cable 4 is arranged inside the connector 3, the current generated by a photovoltaic module is conveniently conducted through the connecting cable 4, a screw 5 is rotatably arranged on four sides of the top of the main body housing 1, so as to drive a fixture block 6 to move up and down through rotating the screw 5, the fixture block 6 is fixedly arranged on the top of the screw 5, a first sealing groove 7 is arranged on the top surface of the main body housing 1, a first sealing block 8 is fixedly arranged inside the first sealing groove 7, connecting through holes 9 matched with the fixture block 6 are arranged on four sides of the surface of the upper cover 2, the fixture block 6 and the connecting through holes 9 are dislocated when the upper cover 2 is extruded through the fixture block 6, thereby achieving a good fixed installation, extrude first sealed piece 8 through extrusion piece 10, played preliminary waterproof dirt-proof effect, 2 tops of upper cover and the 1 outside of main body cover are all fixed and are provided with anticollision layer 11, the effectual bulk strength that has improved.

In the second embodiment, on the basis of the first embodiment, as shown in fig. 2, the inner side of the top of the main body housing 1 is opened and closed with a telescopic groove 12 in threaded connection with the screw rod 5, so that the screw rod 5 can move up and down conveniently, and the surface of the screw rod 5 is coated with an antirust agent, thereby effectively prolonging the service life.

Third embodiment, on the basis of first embodiment, as shown in fig. 2, the top of the main body housing 1 is fixedly provided with a second sealing block 13 matched with the upper cover 2, the first sealing block 8 and the second sealing block 13 are both made of wear-resistant rubber, and the second sealing block 13 is extruded through the upper cover 2, so that the overall sealing performance is effectively improved.

In a fourth embodiment, based on the first embodiment, as shown in fig. 3, a second sealing groove 18 is formed in the middle position of the bottom inside the first sealing block 8, a sealing protrusion 14 matched with the second sealing groove 18 is fixedly arranged at the bottom of the extrusion block 10, and the sealing protrusion 14 is inserted into the second sealing groove 18, so that the waterproof and dustproof effects are improved again.

In the fifth embodiment, on the basis of the first embodiment, as shown in fig. 2, the protective layer 15 is fixedly arranged at the bottom of the fixture block 6, and the anti-slip stripes are arranged on the surface of one side, away from the fixture block 6, of the protective layer 15, so that the abrasion of the fixture block 6 on the upper cover 2 is avoided while the friction coefficient of the upper cover 2 is effectively increased through the protective layer 15.

Sixth embodiment, on the basis of the first embodiment, as shown in fig. 3, tensioning blocks 16 are fixedly arranged on both sides of the sealing convex block 14, waterproof layers 17 are coated on the surfaces of the tensioning blocks 16 and the extrusion blocks 10, and the tensioning blocks 16 and the waterproof layers 17 are matched with each other, so that the overall sealing effect is improved conveniently.

The working principle is as follows: when the sealing device works, the extrusion block 10 is inserted into the first sealing block 8 in the first sealing groove 7, the first sealing block 8 is extruded through the extrusion block 10, so that primary sealing is achieved, meanwhile, the sealing bump 14 at the bottom of the extrusion block 10 is inserted into the second sealing groove 18, the sealing bump 14 is tightly attached to the second sealing groove 18 through the tensioning block 16, meanwhile, the waterproof layer 17 is arranged, so that the overall sealing effect is effectively improved, finally, the second sealing block 13 is extruded through the upper cover 2, the sealing effect is strengthened again, so that the overall waterproof and dustproof effects are effectively improved through multiple sealing, external water and dust are prevented from entering the main body shell 1, a good effect is achieved, when the upper cover 2 is installed, the fixture block 6 is rotated to the direction consistent with the direction of the connecting through hole 9, and then the fixture block 6 passes through the connecting through hole 9, drive the lead screw 5 through rotatory fixture block 6 afterwards rotatory, because lead screw 5 and flexible recess 12 threaded connection, even make lead screw 5 retract inside flexible recess 12, thereby it is spacing to make fixture block 6 move down to extrude upper cover 2, thereby fixed connection's effect has been realized, through being provided with protective layer 15, still play the effect of protection upper cover 2 when having improved with upper cover 2 coefficient of friction, when needing to dismantle, only need reverse fixture block 6, make fixture block 6 and 9 direction unanimities of connect the via hole can take off upper cover 2, the effectual step of simplifying the dismouting like this, thereby the speed of dismouting has been improved.

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.

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. The utility model provides a waterproof dust-protection type photovoltaic terminal box, includes main body cover (1) and upper cover (2), its characterized in that: the main body housing (1) outside is provided with connector (3), connector (3) inside is provided with connecting cable (4), main body housing (1) top four sides are rotated and are provided with lead screw (5), lead screw (5) top fixed mounting has fixture block (6), first seal groove (7) have been seted up on main body housing (1) top surface, first seal groove (7) inside fixed be provided with first sealed piece (8), upper cover (2) surface four sides are seted up with fixture block (6) assorted connect the via hole (9), upper cover (2) bottom is fixed to be provided with first sealed piece (8) assorted extrusion piece (10), upper cover (2) top and main body housing (1) outside all fixed are provided with anticollision layer (11).

2. The waterproof and dustproof photovoltaic junction box of claim 1, wherein: the inner side of the top of the main body shell (1) is provided with a telescopic groove (12) in threaded connection with the screw rod (5), and the surface of the screw rod (5) is coated with an antirust agent.

3. The waterproof and dustproof photovoltaic junction box of claim 1, wherein: the top of the main body shell (1) is fixedly provided with a second sealing block (13) matched with the upper cover (2), and the first sealing block (8) and the second sealing block (13) are both made of wear-resistant rubber materials.

4. The waterproof and dustproof photovoltaic junction box of claim 3, wherein: a second sealing groove (18) is formed in the middle of the bottom of the inner side of the first sealing block (8), and a sealing convex block (14) matched with the second sealing groove (18) is fixedly arranged at the bottom of the extrusion block (10).

5. The waterproof and dustproof photovoltaic junction box of claim 1, wherein: the bottom of the clamping block (6) is fixedly provided with a protective layer (15), and the surface of one side, away from the clamping block (6), of the protective layer (15) is provided with anti-skid stripes.

6. The waterproof and dustproof photovoltaic junction box of claim 4, wherein: tensioning blocks (16) are fixedly arranged on two sides of the sealing convex block (14), and waterproof layers (17) are coated on the surfaces of the tensioning blocks (16) and the surfaces of the extrusion blocks (10).