CN211579929U

CN211579929U - Junction box for photovoltaic module

Info

Publication number: CN211579929U
Application number: CN202020167855.4U
Authority: CN
Inventors: 何泉均
Original assignee: Shaoxing Honglu Energy Technology Co ltd
Current assignee: Shaoxing Honglu Energy Technology Co ltd
Priority date: 2020-02-13
Filing date: 2020-02-13
Publication date: 2020-09-25
Anticipated expiration: 2030-02-13

Abstract

The utility model discloses a terminal box that photovoltaic module used, comprises a box bod, the lid has been placed at the top of box body, place sealed the pad between box body and the lid, the first connecting block of the equal fixedly connected with in top of box body both sides, the equal fixedly connected with second connecting block in bottom of lid both sides, the top of second connecting block is run through and is provided with first screw, the bottom of first screw run through second connecting block and first connecting block in proper order and with first connecting block threaded connection, the first U template of the equal fixedly connected with in both sides of box body inner chamber bottom. The utility model provides a current photovoltaic module terminal box function singleness, mostly with the electric wire winding on the terminal, joint strength is low, appears contact failure's phenomenon easily, terminal box waterproof nature is relatively poor, inside outside rainwater gets into the terminal box easily, causes the damage of terminal box internal circuit, is not convenient for carry out fixed mounting with terminal box and photovoltaic module, has reduced the problem of terminal box suitability.

Description

Junction box for photovoltaic module

Technical Field

The utility model relates to a terminal box technical field specifically is a terminal box that photovoltaic module used.

Background

In home decoration, the junction box is one of electrical accessories, because the electric wire for decoration passes through the electric wire tube, the junction box is adopted for transition at the joint part of the electric wire (such as longer line or corner of the electric wire tube), the electric wire tube is connected with the junction box, the electric wire in the wire tube is connected in the junction box to play the roles of protecting the electric wire and connecting the electric wire, and the junction box is the junction box.

Need use the terminal box on the photovoltaic module, current photovoltaic module terminal box function singleness mostly twines the electric wire on the terminal, and joint strength is low, appears contact failure's phenomenon easily, and terminal box waterproof nature is relatively poor, and inside outside rainwater got into the terminal box easily, caused the damage of terminal box inner circuit, be not convenient for carry out fixed mounting with terminal box and photovoltaic module, reduced the suitability of terminal box.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a terminal box that photovoltaic module used, it is high with connection of electric lines intensity to possess, can not drop, waterproof nature is good, be convenient for install the advantage on photovoltaic module, current photovoltaic module terminal box function singleness has been solved, mostly with the electric wire winding on the terminal, connection intensity is low, contact failure's phenomenon appears easily, terminal box waterproof nature is relatively poor, inside outside rainwater gets into the terminal box easily, cause the damage of terminal box inner circuit, be not convenient for carry out fixed mounting with terminal box and photovoltaic module, the problem of terminal box suitability has been reduced.

In order to achieve the above object, the utility model provides a following technical scheme: a junction box for a photovoltaic assembly comprises a box body, a box cover is placed at the top of the box body, a sealing gasket is placed between the box body and the box cover, first connecting blocks are fixedly connected to the tops of two sides of the box body, second connecting blocks are fixedly connected to the bottoms of two sides of the box cover, first screws penetrate through the tops of the second connecting blocks, the bottoms of the first screws sequentially penetrate through the second connecting blocks and the first connecting blocks and are in threaded connection with the first connecting blocks, first U-shaped plates are fixedly connected to two sides of the bottom of an inner cavity of the box body, threaded sleeves penetrate through the tops of the first U-shaped plates and are fixedly connected with the second U-shaped plates, second screws penetrate through the tops of the threaded sleeves, the bottoms of the second screws penetrate through the threaded sleeves, and contact pieces are fixedly connected to two sides of the bottom of the inner cavity of the box body, the front side of contact runs through to the inside of first U template, the positive both sides of box body and lid are all run through and are provided with the rubber sleeve, the rear end of rubber sleeve runs through to the inner chamber of box body and lid, the top fixedly connected with second U template of lid, the top of second U template runs through and is provided with the threaded rod, the bottom of threaded rod runs through second U template and swing joint has splint.

Preferably, the top of the contact piece is fixedly connected with two protruding blocks, and the protruding blocks are respectively positioned on the front side and the rear side of the second screw.

Preferably, the threaded sleeve is in threaded connection with a second screw, and a cross-shaped groove is formed in the top of the second screw and the top of the second screw cap.

Preferably, a guide groove is formed in the right side of the inner cavity of the second U-shaped plate, a guide block is fixedly connected to the right side of the clamping plate, the right side of the guide block extends to the inner cavity of the guide groove, and the guide block is movably connected with the guide groove.

Preferably, the threaded rod is in threaded connection with the joint of the second U-shaped plate, and the top of the threaded rod is fixedly connected with a rotary table.

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

1. the utility model discloses a box body, the lid, sealed the pad, first connecting block, the second connecting block, first screw, first U template, the thread bush, the second screw, the contact, the rubber sleeve, second U template, threaded rod and splint cooperate, it is high to possess and wire connection intensity, can not drop, waterproof nature is good, be convenient for install the advantage on photovoltaic module, current photovoltaic module terminal box function singleness has been solved, mostly twine the electric wire on the terminal, joint strength is low, bad phenomenon appears in contact easily, terminal box waterproof nature is relatively poor, outside rainwater gets into inside the terminal box easily, cause the damage of terminal box internal circuit, be not convenient for carry out fixed mounting with terminal box and photovoltaic module, the problem of terminal box suitability has been reduced.

2. The utility model discloses a set up the lug, can hold the electric wire pressure between two lugs, the electric wire presents the U type after compressing tightly, stability is good, through setting up second screw and thread bush threaded connection, can make second screw downstream compress tightly the conducting strip, through setting up cross type groove, conveniently play with the plum blossom and carry out the joint, the rotatory second screw of being convenient for, through setting up guide block and guide way, can lead to splint, the vertical removal of the splint of being convenient for, through setting up the carousel, the rotation of the threaded rod of being convenient for.

Drawings

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

FIG. 2 is a right sectional view of the structure of the present invention;

fig. 3 is a schematic view of the structure of the present invention.

In the figure: the box comprises a box body 1, a box cover 2, a sealing gasket 3, a first connecting block 4, a second connecting block 5, a first screw 6, a first U-shaped plate 7, a threaded sleeve 8, a second screw 9, a contact piece 10, a rubber sleeve 11, a second U-shaped plate 12, a threaded rod 13, a clamping plate 14, a convex block 15, a guide groove 16, a guide block 17 and a rotary table 18.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a box body 1, lid 2, sealed pad 3, first connecting block 4, second connecting block 5, first screw 6, first U template 7, thread bush 8, second screw 9, contact 10, rubber sleeve 11, second U template 12, threaded rod 13, splint 14, lug 15, guide way 16, guide block 17 and carousel 18 part are general standard or the part that technical staff in the field knows, its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a junction box for a photovoltaic module comprises a box body 1, a box cover 2 is placed at the top of the box body 1, a sealing gasket 3 is placed between the box body 1 and the box cover 2, the top of two sides of the box body 1 is fixedly connected with a first connecting block 4, the bottom of two sides of the box cover 2 is fixedly connected with a second connecting block 5, the top of the second connecting block 5 is provided with a first screw 6 in a penetrating manner, the bottom of the first screw 6 sequentially penetrates through the second connecting block 5 and the first connecting block 4 and is in threaded connection with the first connecting block 4, two sides of the bottom of an inner cavity of the box body 1 are fixedly connected with a first U-shaped plate 7, the top of the first U-shaped plate 7 is provided with a threaded sleeve 8 in a penetrating manner, the bottom of the threaded sleeve 8 penetrates through the first U-shaped plate 7 and is fixedly connected with a second U-shaped plate 12, the top of the threaded sleeve, the two sides of the bottom of the inner cavity of the box body 1 are fixedly connected with a contact piece 10, the front side of the contact piece 10 penetrates into the first U-shaped plate 7, the two front sides of the box body 1 and the box cover 2 are respectively provided with a rubber sleeve 11 in a penetrating manner, the rear end of the rubber sleeve 11 penetrates into the inner cavities of the box body 1 and the box cover 2, the top of the box cover 2 is fixedly connected with a second U-shaped plate 12, the top of the second U-shaped plate 12 is provided with a threaded rod 13 in a penetrating manner, the bottom of the threaded rod 13 penetrates through the second U-shaped plate 12 and is movably connected with a clamping plate 14, the top of the contact piece 10 is fixedly connected with two convex blocks 15, the convex blocks 15 are respectively positioned on the front side and the rear side of the second screw 9, the electric wire can be pressed between the two convex blocks 15 through the arrangement, the electric wire is U-shaped after being compressed, the stability is good, through setting up

second screw

9 and 8 threaded connection of thread bush, can make second screw 9 remove downwards and compress tightly the conducting strip, through setting up cross type groove, it plays to carry out the joint conveniently with the plum blossom, be convenient for rotate second screw 9, guide way 16 has been seted up on the right side of second U template 12 inner chamber, the right side fixedly connected with guide block 17 of splint 14, the right side of guide block 17 extends to the inner chamber of guide way 16, guide block 17 and guide way 16 swing joint, through setting up guide block 17 and guide way 16, can lead splint 14, be convenient for the vertical removal of splint 14, threaded rod 13 and the junction threaded connection of second U template 12, the top fixedly connected with carousel 18 of threaded rod 13, through setting up carousel 18, be convenient for the rotation of threaded rod 13, through box body 1, lid 2, sealed pad 3, first connecting block 4, second connecting block 5, first screw 6, First U template 7, thread bush 8, second screw 9, contact 10, rubber sleeve 11, second U template 12, threaded rod 13 and splint 14 cooperate, it is high with connection of electric lines intensity to possess, can not drop, waterproof nature is good, be convenient for install the advantage on photovoltaic module, current photovoltaic module terminal box function singleness has been solved, mostly with the electric wire winding on the terminal, joint strength is low, contact failure's phenomenon appears easily, terminal box waterproof nature is relatively poor, inside outside rainwater gets into the terminal box easily, cause the damage of terminal box inner circuit, be not convenient for carry out fixed mounting with terminal box and photovoltaic module, the problem of terminal box suitability has been reduced.

When the photovoltaic power generation box is used, the first screw 6 is detached, the box cover 2 is detached, an electric wire penetrates through the rubber sleeve 11 and is wound on the first U-shaped plate 7 to be arranged at the bottom of the second screw 9, the second screw 9 is rotated through a plum blossom to be in threaded connection with the threaded sleeve 8, the second screw 9 moves downwards to compress the electric wire, the electric wire is fixed, the box cover 2 is covered, the box cover 2 is fixed through the threaded connection of the first screw 6 and the first connecting block 4, the sealing gasket 3 is used for sealing between the box cover 2 and the box body 1, the connecting part of the electric wire, the box body 1 and the box cover 2 is sealed through the rubber sleeve 11, an external water source is placed into the inner cavity of the box body 1, the second U-shaped plate 12 is clamped on the photovoltaic plate, the rotary turntable 18 is rotated to drive the threaded rod 13, the threaded rod 13 is in threaded connection with the second U-shaped plate 12 through the threaded, the clamping plate 14 is made to clamp the photovoltaic panel, and the junction box is fixed.

In summary, the following steps: this terminal box that photovoltaic module used, through box body 1, the lid 2, sealed pad 3, first connecting block 4, second connecting block 5, first screw 6, first U template 7, the thread bush 8, second screw 9, contact 10, rubber sleeve 11, second U template 12, threaded rod 13 and splint 14 cooperate, the current terminal box function singleness of photovoltaic module has been solved, mostly twine the electric wire on the terminal, joint strength is low, bad phenomenon appears in the easy, terminal box waterproof nature is relatively poor, outside rainwater gets into inside the terminal box easily, cause the damage of terminal box inner circuit, be not convenient for carry out fixed mounting with terminal box and photovoltaic module, the problem of terminal box suitability has been reduced.

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 terminal box that photovoltaic module used, includes box body (1), its characterized in that: the box cover (2) is placed at the top of the box body (1), a sealing gasket (3) is placed between the box body (1) and the box cover (2), the top parts of two sides of the box body (1) are fixedly connected with a first connecting block (4), the bottom parts of two sides of the box cover (2) are fixedly connected with a second connecting block (5), the top part of the second connecting block (5) is provided with a first screw (6) in a penetrating manner, the bottom part of the first screw (6) sequentially penetrates through the second connecting block (5) and the first connecting block (4) and is in threaded connection with the first connecting block (4), the two sides of the bottom part of the inner cavity of the box body (1) are fixedly connected with a first U-shaped plate (7), the top part of the first U-shaped plate (7) is provided with a threaded sleeve (8), the bottom part of the threaded sleeve (8) penetrates through the first U-shaped plate (7) and is fixedly connected, the top of thread bush (8) is run through and is provided with second screw (9), the bottom of second screw (9) runs through thread bush (8), the equal fixedly connected with contact (10) in both sides of box body (1) inner chamber bottom, the front side of contact (10) runs through to the inside of first U template (7), the positive both sides of box body (1) and lid (2) all run through and are provided with rubber sleeve (11), the rear end of rubber sleeve (11) runs through to the inner chamber of box body (1) and lid (2), the top fixedly connected with second U template (12) of lid (2), the top of second U template (12) is run through and is provided with threaded rod (13), the bottom of threaded rod (13) runs through second U template (12) and swing joint has splint (14).

2. A junction box for a photovoltaic module according to claim 1, wherein: the top of the contact piece (10) is fixedly connected with two protruding blocks (15), and the protruding blocks (15) are respectively positioned on the front side and the rear side of the second screw (9).

3. A junction box for a photovoltaic module according to claim 1, wherein: the threaded sleeve (8) is in threaded connection with the second screw (9), and a cross-shaped groove is formed in the top of a nut of the second screw (9).

4. A junction box for a photovoltaic module according to claim 1, wherein: guide way (16) have been seted up on the right side of second U template (12) inner chamber, the right side fixedly connected with guide block (17) of splint (14), the right side of guide block (17) extends to the inner chamber of guide way (16), guide block (17) and guide way (16) swing joint.

5. A junction box for a photovoltaic module according to claim 1, wherein: threaded rod (13) and the junction threaded connection of second U template (12), the top fixedly connected with carousel (18) of threaded rod (13).