CN201048260Y

CN201048260Y - Connection box

Info

Publication number: CN201048260Y
Application number: CNU2007201068825U
Authority: CN
Inventors: 励国庆
Original assignee: 励国庆
Current assignee: Renhe Photovoltaic Technology Co Ltd
Priority date: 2007-03-06
Filing date: 2007-03-06
Publication date: 2008-04-16
Anticipated expiration: 2017-03-06

Abstract

The utility model discloses a junction box, which comprises a box body, a box cover, a metal connecting piece on the junction box, and a connection terminal, wherein, a wire holder used for connecting is arranged and distributed in the box body, the wire hold is formed by connecting the metal piece, the box body and the box cover in an involution way, and the side face of the box body is distributed with the connection terminal used to be inserted by a connection plug. The utility model is characterized in that the wire holder is distributed on the bottom plate of the box body in order, the wire hold is molded with a jack, the metal connecting piece is embedded on the wire holder through prongs, the rear part of the metal connecting piece is molded with a wiring card hole, while the middle-rear part is provided with a mounting hole for the connection feet of a diode to be inserted in, and the front part is provided with a connector for the connection to be pressed in. The structure is simple and practical, the components are less, the production cost is reduced, the production and the manufacture are easy, and the connecting is stable and reliable.

Description

Terminal box

Technical field

The utility model relates to the terminal box in a kind of electric appliance component, particularly relate to that a kind of lead prolongs, intersects, have a quick connector that patches function rapidly.The quick connection that is applicable to power lead in the solar module and other lead with remove stage makeup and costume.

Background technology

At present, in China's electron trade, connect the general compression joint type connection that locks electric wire with screw of adopting for lead, this connected mode will can be finished the wiring process by corresponding instrument, and wiring speed is slow, also usually come off for screw occurring, loss and stripped thread phenomenon, influence connects electric safety and operate as normal, causes man power and material's waste again; In addition, the screw of this its connection of the mode of connection usually is outside being exposed to, the careless danger that also has electric shock.The inventor has at length reported the terminal box of another kind of capable of being combined and dismounting in the patent No. is 03232075.2 Chinese patent " quick connector " for this reason, it by the junction block of box body and interior dress thereof, in junction block device by conducting strip, the terminal that is connected with conducting strip and be used for the spring of clamping wire joint and form, it is characterized in that: the described box body of a. has two fixed guides that are parallel to each other bottom its of engineering plastics making; B. be arranged with in parallel on the described fixed guide at least two have below left and right sliding tray can along its described fixed guide slippage and be provided with the connected junction block of elastic fastening hook in its both sides; C. a side of described box body is set with at least two terminals, and described terminal connects the line trap assembly of a detachable; D. described junction block make by engineering plastics and by left and right two semi-involutions, with the bearing pin of a plurality of disjunctors pin-and-hole with matching continuous the forming of pegging graft mutually; The pedestal of e. described junction block two semi-involutions is provided with a caulking groove, a fixedly embedded conducting strip in the described caulking groove; F. described box body top is provided with the lid that an end face seal cooperates, and couples together by socket connection or screw.Advantages such as it removes stage makeup and costume that work is convenient simply again, compact conformation, method of operation are simple and direct, safe, defective is: the structure more complicated, parts are many, and the cost height is unfavorable for that it applies.It is 03232075.2 Chinese patent that similar problem also is present in the patent No..

Summary of the invention

Technical problem to be solved in the utility model is that a kind of simple and practical, parts are few, cost is low terminal box is provided at existing background technology.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of terminal box, it includes box body, lid, metal connecting piece on the junction block, the wiring joint, wherein be provided with in the box body to be distributed with to connect and use junction block, metal connecting piece is arranged on the junction block, box body and lid are involutory to be formed by connecting, the box body side is distributed with the wiring joint that inserts for connection plug, it is characterized in that described junction block is to be distributed in successively on the box plate, form jack on the junction block, metal connecting piece is mounted on the junction block by pin, the distal portion of metal connecting piece molds the wiring hole clipping, postmedian has the installing hole that inserts for the diode connecting pin, and the front portion is provided with the connector that wiring is pressed into.

As improvement, described metal connecting piece is in the perforate of middle front part position, and welding hold-down nut in the back side is threaded for screw and pad, and, leaves containing hole in the middle of the junction block, make that nut is spacing to be fixed in the containing hole, it is more firm that wiring is connected, and simple in structure, parts are few, and cost is low.

As improvement, described box body both sides are distributed with deck, and accordingly, the lid both sides are provided with the elasticity card base, and the lid clamping is connected on the box body, connect fast and reliable.

Improve, described junction block molds jack four corner portions again, and accordingly, the bending of metal connecting piece middle part is connected with the pin of four cooperations, makes the metal connecting piece firm plug reliable.

Further improve, the inside and outside is provided with vertical strengthening ribs on described box body four side wall surfaces, and accordingly, inside and outside, lid surface is provided with horizontal reinforcement, improves outer cover intensity.

Further improve, described lid with the box body faying face on ring week mold groove, the liner sealing ring is to improve sealing property.

At last, macropore before and after described box body has on base plate, the macropore periphery is to be connected transition by reinforcement with box body wall inboard, the junction block connection is arranged between the macropore periphery of front and back.And described macropore adopts slot.

Compared with prior art, advantage of the present utility model is: simple and practical, parts are few, reduced production cost, manufacture easily, and secure and reliable connection.

Description of drawings

Fig. 1 is one of stereogram of the utility model terminal box (under the positive surface state);

Fig. 2 is two (under the reverse side states) of the stereogram of the utility model terminal box;

Fig. 3 is junction box structure schematic diagram (removing under the lid state);

Fig. 4 is junction box structure schematic diagram (removing under lid and the metal connecting piece state);

Fig. 5 is the stereogram of metal connecting piece;

Fig. 6 is the junction box structure cutaway view.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As Fig. 1-6 signal, a kind of terminal box, it includes box body 1, lid 2, metal connecting piece 4 on the junction block 3, wiring joint 5, wherein be provided with in the box body 1 to be distributed with to connect and use junction block 3, on the junction block 3 metal connecting piece is arranged, box body 1 and lid 2 involutory being formed by connecting, box body 1 side is distributed with the wiring joint 5 that inserts for connection plug, it is invented crucial part and is that junction block 3 is to be distributed in successively on the box plate 6, it links into an integrated entity junction block 3 and box plate 6 by plastics molding process, box body 1 also has former and later two macropores 21 on base plate 6,22, macropore 21, the 22nd, adopt rectangular hole, junction block 3 just connection is arranged on front and back macropore 21, between 22 peripheries, play necessary booster action.Inlay on each junction block 3 and be fixed with metal connecting piece 4, the distal portion of metal connecting piece 4 molds wiring hole clipping 9, postmedian has the installing hole 10 that inserts for the diode connecting pin, and the front portion is provided with the connector 11 that wiring is pressed into, and they can be riveted or crimping couples together.The bending of metal connecting piece 4 middle parts is connected with the pin 8 of four cooperations, sees Fig. 5, and junction block 3 molds jack 7 four corner portions, and metal connecting piece can be mounted on the junction block 3 by pin 8.As further improvement, metal connecting piece 4 is all right perforate in the middle front part position, back side welding hold-down nut 12, supply screw 13 and pad to be threaded and fix wiring, then leave a containing hole 14 in the middle of the junction block 3, make nut 12 spacing can being fixed in the containing hole 14, see Fig. 3,4.Thereby make wiring more firm, and that metal connecting piece 4 is inlayed is fixing also more solid and reliable.In order further to improve the intensity of lid 2 and box body 1, on lid 2 and box body 1, set up reinforcing rib structure, be provided with horizontal reinforcement 18 as lid 2 surperficial inside and outsides, see Fig. 1, the inside and outside is provided with vertical strengthening ribs 17 on box body 1 four side wall surfaces,

macropore

21,22 peripheries then are to be connected transition by reinforcement 23 with box body 1 wall inboard, see Fig. 4.Lid 2 with box body 1 faying face on ring also mold a circle groove 19 week, back boxing sealing ring 20 is seen Fig. 6, can keep the sealing effectiveness of necessity after lid and box body are involutory.In order to reach the purpose of fast-wiring, lid 2 is to adopt dismountable clamping syndeton with box body 1, is exactly that box body 1 both sides are distributed with deck 15, and accordingly, lid 1 both sides are provided with elasticity card base 16, and lid 2 clampings are connected on the box body 1.

The use of this terminal box is such, connect between the installing hole 10 on the metal connecting piece 4 and go up diode, and wiring can be crimped on the connector 11 on the metal connecting piece 4, also can be to use screw 13 spacers on metal connecting piece 4 wiring, the wiring hole clipping 9 of metal connecting piece 4 distal portion also is used for connecting wiring, then, lid 2 and box body 1 clamping are coupled together.

Claims

1. terminal box, it includes box body (1), lid (2), junction block (3) is gone up metal connecting piece (4), wiring joint (5), wherein be provided with in the box body (1) to be distributed with to connect and use junction block (3), metal connecting piece (4) is arranged on the junction block (3), box body (2) and involutory being formed by connecting of lid (1), box body (1) side is distributed with the wiring joint (5) that inserts for connection plug, it is characterized in that described junction block (3) is to be distributed in successively on the box plate (6), form jack (7) on the junction block (3), metal connecting piece (4) is mounted on the junction block (3) by pin (8), the distal portion of metal connecting piece (4) molds wiring hole clipping (9), postmedian has the installing hole (10) that inserts for the diode connecting pin, and the front portion is provided with the connector (11) that wiring is pressed into.

2. terminal box according to claim 1, it is characterized in that described metal connecting piece (4) is in the perforate of middle front part position, back side welding hold-down nut (12), be threaded for screw (13) and pad, and, leaves containing hole (14) in the middle of the junction block (3), make that nut (12) is spacing to be fixed in the containing hole (14).

3. terminal box according to claim 2 is characterized in that described box body (1) both sides are distributed with deck (15), and accordingly, lid (2) both sides are provided with elasticity card base (16), and lid (2) clamping is connected on the box body (1).

4. according to any described terminal box of claim of claim 1 to 3, it is characterized in that described junction block (3) molds jack (7) four corner portions, accordingly, the bending of metal connecting piece (4) middle part is connected with the pin (8) of four cooperations.

5. according to any described terminal box of claim of claim 1 to 3, it is characterized in that the inside and outside is provided with vertical strengthening ribs (17) on described box body (1) four side wall surface, accordingly, the surperficial inside and outside of lid (2) is provided with horizontal reinforcement (18).

6. according to any described terminal box of claim of claim 1 to 3, it is characterized in that described lid (2) with box body (1) faying face on ring mold groove (19), liner sealing ring (20) week.

7. according to any described terminal box of claim of claim 1 to 3, it is characterized in that described box body (1) has front and back macropore (21 on base plate, 22), the macropore periphery is to be connected transition by reinforcement (23) with box body wall inboard, junction block (3) connection is arranged between macropore (21, the 22) periphery of front and back.

8. terminal box according to claim 7 is characterized in that described macropore (21,22) adopts slot.