CN217935564U

CN217935564U - Photovoltaic junction box

Info

Publication number: CN217935564U
Application number: CN202221651382.0U
Authority: CN
Inventors: 周羽萍; 孙小利
Original assignee: Nantong Suduo New Energy Co ltd
Current assignee: Nantong Suduo New Energy Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-11-29
Anticipated expiration: 2032-06-27

Abstract

The utility model relates to a terminal box technical field especially relates to a photovoltaic terminal box, including box body and binding post, binding post is last to rotate and is connected with the lagging, fixedly connected with lug on the lagging, the lagging overcoat is equipped with the round cover, the gum cover of the inner wall butt of fixedly connected with and wiring mouth is sheathe in to the round, fixedly connected with supports the piece on the round cover, support the piece with set up the matched with screw on the box body. The utility model discloses in, rotatory circle cover can make circle cover and wiring mouth pass through threaded connection, it is corresponding until the screw of seting up on to piece and the box body, it is fixed with the box body to support the piece through the bolt, the circle cover is fixed with the box body, the cover block is fixed with the box body, and be equipped with waterproof gum cover and sealing washer between circle cover and wiring mouth and the cover block, therefore moisture in the environment can't reach the inside of box body through the wiring mouth, consequently binding post and the stable being connected of box body, can not be easily not hard up into water.

Description

Photovoltaic junction box

Technical Field

The utility model relates to a terminal box technical field especially relates to a photovoltaic terminal box.

Background

The photovoltaic junction box is a connector between a solar cell array formed by the solar cell modules and the solar charging control device. The junction box of the solar cell module is very important in the composition of the solar cell module, and mainly plays a role in connecting electric power generated by the solar cell with an external circuit.

The cable inlet wire and the cable outlet wire of traditional photovoltaic terminal box directly pass through the wiring hole and be connected with inside metal terminal, and the wiring hole department is intake easily or is not hard up under the complex environment, consequently need a waterproof nature good, and the photovoltaic terminal box that the firmness is good is particularly important.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems, the photovoltaic junction box is provided.

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

the utility model provides a photovoltaic terminal box, includes box body and binding post, binding post is last to rotate and is connected with the cover piece, fixedly connected with lug on the cover piece, the cover piece overcoat is equipped with the round cover, the gum cover of fixedly connected with and the inner wall butt of wiring mouth is sheathe in to the round cover, fixedly connected with supports the piece on the round cover, support the piece with set up the matched with screw on the box body, the screw is internal to close there is the bolt, wiring mouth department sets up interior perpendicular groove, set up the arc wall that is connected with interior perpendicular groove in the wiring mouth, the arc wall is connected with the spout, fixedly connected with spring in the spout, wiring mouth inner wall sliding connection has the ring, fixedly connected with on the ring with spout sliding connection's slider, be equipped with on the cover piece to the spacing locating part of round cover.

Preferably, the locating part includes interconnect cross slot and the annular of seting up on the cover block, the inboard fixedly connected with of circle cover and cross slot sliding connection's inboard piece, the external screw thread on the circle cover with the internal thread of wiring mouth department cooperatees.

Preferably, the inner block is slidably connected to the annular groove when the projection moves in the sliding groove.

Preferably, the sliding groove is communicated with the arc-shaped groove, the sliding groove and the arc-shaped groove form a T shape, and the spring pushes the circular ring and the sleeve block to move in the sliding groove until the convex block is abutted against the inner wall of one side of the sliding groove.

Preferably, the arc-shaped grooves are distributed on the inner circumference of the wiring port and matched with the rotation direction of the lug.

Preferably, a waterproof sealing ring is arranged on a contact part between the round sleeve and the sleeve block.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. this application can make circle cover and wiring mouth pass through threaded connection through rotatory circle cover, it is corresponding until the screw of seting up on piece and the box body, it is fixed with the box body to support the piece through the bolt, the circle cover is fixed with the box body, the cover block is fixed with the box body, and be equipped with waterproof gum cover and sealing washer between circle cover and wiring mouth and the cover block, consequently moisture in the environment can't reach the inside of box body through the wiring mouth, consequently binding post and the stable being connected of box body, the not easy not hard up is intake.

2. This application passes through the spring and promotes ring and cover block and remove in the spout, and until one side inner wall butt of lug and spout, when the lug at this moment is located the spout, rotate the cover block, the lug can't rotate to stretch into the arc wall in, so the cover block at this moment receives the unable rotation of external force, the cover block can be stable fixed with the box body, even binding post receives external force can not lead to cover block and box body separation yet.

Drawings

Fig. 1 is a schematic view illustrating an overall structure of a junction box according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating various structures of a junction box according to an embodiment of the present invention;

fig. 3 shows a schematic view of a round sleeve structure provided according to an embodiment of the present invention;

fig. 4 is a schematic diagram illustrating a structure of a wire connection port provided in accordance with an embodiment of the present invention;

fig. 5 is a schematic diagram illustrating an internal structure of a wire connection port provided in accordance with an embodiment of the present invention;

illustration of the drawings:

1. a box body; 2. a wiring terminal; 3. sleeving blocks; 4. a transverse groove; 5. a ring groove; 6. a bump; 7. a round sleeve; 8. an inner block; 9. a rubber sleeve; 10. a resisting block; 11. a screw hole; 12. a wiring port; 13. an inner vertical groove; 14. an arc-shaped slot; 15. a chute; 16. a spring; 17. a circular ring; 18. a slide block.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides a photovoltaic terminal box, including box body 1 and binding post 2, it is connected with cover piece 3 to rotate on the binding post 2, fixedly connected with lug 6 on the

cover piece

3, 3 overcoat of cover piece is equipped with round cover 7, the gum cover 9 of fixedly connected with and the inner wall butt of wiring mouth 12 on the round cover 7, fixedly connected with supports piece 10 on the round cover 7, matched with screw 11 has been seted up on support piece 10 and the box body 1, the bolt has been closed soon in the screw 11, wiring mouth 12 department has seted up interior perpendicular groove 13, set up the arc wall 14 that is connected with interior perpendicular groove 13 in the wiring mouth 12, arc wall 14 is connected with spout 15, fixedly connected with spring 16 in the spout 15, wiring mouth 12 inner wall sliding connection has ring 17, fixedly connected with and spout 15 sliding connection's slider 18 on the ring 17, be equipped with the spacing locating part to round cover 7 on the cover piece 3.

Specifically, as shown in fig. 2 and 3, the limiting part includes the cross slot 4 and the annular groove 5 of interconnect that set up on the cover block 3, the inboard fixedly connected with of circle cover 7 and the inboard piece 8 of cross slot 4 sliding connection, the external screw thread on the circle cover 7 cooperatees with the internal thread of wiring mouthful 12 department, with cover block 3 with wiring mouthful 12 block fixed back, rotate circle cover 7, make circle cover 7 in rotatory department of stretching into wiring mouthful 12, when lug 6 removed in spout 15, because inboard piece 8 sliding connection on annular groove 5, inboard piece 8 rotates and lateral shifting on annular groove 5, can not promote set block 3 and remove in wiring mouthful 12.

Specifically, as shown in fig. 4 and 5, the sliding groove 15 is communicated with the arc-shaped groove 14, the sliding groove 15 and the arc-shaped groove 14 form a T shape, the spring 16 pushes the ring 17 and the sleeve block 3 to move in the sliding groove 15 until the protruding block 6 abuts against the inner wall of one side of the sliding groove 15, when the protruding block 6 is located in the sliding groove 15, the sleeve block 3 is rotated, the protruding block 6 cannot rotate to extend into the arc-shaped groove 14, and therefore the sleeve block 3 cannot rotate under external force.

Specifically, as shown in fig. 4 and 5, the arc-shaped slots 14 are distributed on the inner circumference of the wire connection port 12 and are matched with the rotation direction of the projection 6, and when the projection 6 rotates along with the sleeve block 3, the projection 6 slides in the arc-shaped slots 14.

Specifically, as shown in fig. 2, a waterproof sealing ring is arranged on a contact part between the round sleeve 7 and the sleeve block 3, so that the round sleeve 7 and the sleeve block 3 can be prevented from being connected insufficiently.

In summary, in the embodiment, the sleeve block 3 on the connection terminal 2 is rotated to the protrusion 6 corresponding to the inner vertical groove 13, then the connection terminal 2 and the sleeve block 3 can be inserted into the connection port 12, then the sleeve block 3 can be rotated, so that the protrusion 6 rotates in the arc-shaped groove 14 to the sliding groove 15, as the sleeve block 3 gradually extends into the connection port 12, the sleeve block 3 can push the ring 17 to move relative to the inside of the box body 1, so as to compress the spring 16, the protrusion 6 is located in the sliding groove 15, the spring 16 pushes the ring 17 and the sleeve block 3 to move until the protrusion 6 moves to one end of the sliding groove 15, at this time, the protrusion 6 cannot rotate to reach the arc-shaped groove 14, the position of the sleeve block 3 is fixed, then the inner side block 8 of the sleeve 7 can be slidably connected with the transverse groove 4, until the inner side block 8 reaches the annular groove 5, the sleeve 7 can be screwed to the connection port 12 until the support block 10 corresponds to the screw hole 11 formed in the box body 1, the support block 10 is fixed to the box body 1 by the bolt, at this time, the sleeve 7 is fixed to the connection terminal 1, and the connection terminal can not easily shake.

The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A photovoltaic junction box comprises a box body (1) and a connecting terminal (2), and is characterized in that the connecting terminal (2) is rotatably connected with a sleeve block (3), a convex block (6) is fixedly connected to the sleeve block (3), a round sleeve (7) is sleeved outside the sleeve block (3), and a rubber sleeve (9) which is abutted against the inner wall of a wiring port (12) is fixedly connected to the round sleeve (7);

fixedly connected with supports piece (10) on circle cover (7), support piece (10) with set up matched with screw (11) on box body (1), screw (11) internal rotation has closed the bolt, interior perpendicular groove (13) have been seted up in wiring mouth (12) department, arc wall (14) that are connected with interior perpendicular groove (13) have been seted up in wiring mouth (12), arc wall (14) are connected with spout (15), fixedly connected with spring (16) in spout (15), wiring mouth (12) inner wall sliding connection has ring (17), fixedly connected with spout (15) sliding connection's slider (18) on ring (17), be equipped with on nest block (3) to the spacing locating part of circle cover (7).

2. The photovoltaic junction box according to claim 1, wherein the limiting member comprises a transverse groove (4) and a ring groove (5) which are formed in the sleeve block (3) and are connected with each other, an inner block (8) which is slidably connected with the transverse groove (4) is fixedly connected to the inner side of the round sleeve (7), and an external thread on the round sleeve (7) is matched with an internal thread at the junction port (12).

3. A photovoltaic junction box according to claim 2, characterized in that the inner block (8) is slidably connected on the annular groove (5) when the projection (6) moves in the sliding groove (15).

4. The photovoltaic junction box according to claim 1, wherein the sliding groove (15) is communicated with the arc-shaped groove (14), the sliding groove (15) and the arc-shaped groove (14) form a T shape, the spring (16) pushes the ring (17) and the sleeve block (3) to move in the sliding groove (15) until the lug (6) abuts against one side inner wall of the sliding groove (15).

5. The photovoltaic junction box according to claim 1, characterized in that the arc-shaped slots (14) are distributed on the inner circumference of the junction opening (12) and cooperate with the direction of rotation of the lug (6).

6. The photovoltaic junction box according to claim 1, characterized in that a waterproof sealing ring is provided on the contact portion between the round sleeve (7) and the sleeve block (3).