CN201584724U

CN201584724U - Quick junction box

Info

Publication number: CN201584724U
Application number: CN2009202860257U
Authority: CN
Inventors: 刘良
Original assignee: Ningbo Lanbao Electric Appliance Co Ltd
Current assignee: Ningbo Lanbao Electric Appliance Co Ltd
Priority date: 2009-12-22
Filing date: 2009-12-22
Publication date: 2010-09-15
Anticipated expiration: 2019-12-22

Abstract

A quick junction box comprises a box cover, a box body, a bypass diode and a first terminal, wherein the first terminal includes a first terminal body portion, a cable retaining end arranged at one end of the first terminal body portion, and a terminal holding portion which is arranged at the other end of the first terminal body portion and provided with an end face approximately in a U shape. The first terminal body portion includes a first terminal body portion bottom wall and two first terminal body portion lateral walls formed by upwardly bending the first terminal body portion bottom wall, an end face of the whole first terminal body portion is approximate to a U shape, a plurality of clamping ports are respectively formed on the first terminal body portion lateral walls, a first retaining hole and a second retaining hole are sequentially formed on the first terminal body portion bottom wall via downward punching, a first resilient clamping leg is formed by one side, close to the terminal holding portion, of the first retaining hole via downward projecting, and a second resilient clamping leg is formed on one side, adjacent to the first retaining hole, of the second retaining hole via downward projecting.

Description

Quick connector

[technical field]

The utility model relates to a kind of terminal box, or rather, relates to a kind of quick connector that is used to connect solar photovoltaic battery component.

[background technology]

Along with energy shortage, solar cell is applied more and more general, and therefore, quick connector closely-related with it also progressively begins large batch of use.The existing terminal box that is used to connect solar photovoltaic battery component, terminal, junction block and bypass diode have been generally comprised, the effect that bypass diode is installed is in order to prevent that reverse charging from damaging photocell, and whole battery group all can't be used when preventing a photocell short circuit.Therefore, whether the installation of bypass diode reliably directly has influence on the craftmanship of terminal box.In view of this, the appearance of a kind of novel quick connector of the market demand.

[utility model content]

The technical problem that the utility model solves is to overcome the defective that prior art exists, and it is reliable to provide a kind of bypass diode to install, and quick connector simple in structure, easily manufactured.

The utility model is achieved through the following technical solutions: a kind of quick connector, comprise lid, box body, bypass diode and the first terminal, wherein, described the first terminal comprises the first terminal main part, be arranged on the cable stiff end of the first terminal main part one end and be arranged on the terminal holding part that having of the first terminal main part other end roughly is ∪ font end face, described the first terminal main part comprises a first terminal main part diapire and the two the first terminal main part sidewalls that upwards are bent to form by the first terminal main part diapire, the end face of whole the first terminal main part roughly is the ∪ shape, on the first terminal main part sidewall, be formed with some mouths that hold respectively, be formed with first at described the first terminal main part diapire punching press downwards successively, second holding hole, under sub-holding part one side direction of the first holding hole near-end, protrude out and be formed with the first elasticity card base, protrude out equally downwards in contiguous first holding hole, one side of second holding hole and be formed with the second elasticity card base.

Described holding part comprises a holding part diapire, upwards is bent to form two holding part sidewalls by the holding part diapire, and wherein a holding part sidewall and the first terminal main part diapire fillet connect as one.

Also comprise a Metallic card, described Metallic card integral body is tabular, the two ends of Metallic card are to being bent to form fixing feet respectively down, corresponding first, second holding hole is provided with first, second through hole on the flat part of Metallic card, and corresponding first and second elasticity card base is provided with the 3rd, the 4th elasticity card base.

Compared with prior art, the utility model passes through the terminal structure of existing terminal box and the improvement of formation, bayonet socket is set on the first terminal is formed with some card bases simultaneously, the pin of fixedly bypass diode that can be firm, and whole the first terminal possesses multiple functions such as conduction, heat radiation, support, metal assembly is too much made complexity in the minimizing prior art, and insecure problem.

[description of drawings]

Fig. 1 is the solid combination schematic diagram of the utility model quick connector.

Fig. 2 is the perspective exploded view of the utility model quick connector.

The master that Fig. 3 removes behind the lid for the utility model quick connector looks schematic diagram.

Fig. 4 is the cross-sectional schematic of Fig. 3 along the A-A direction.

Fig. 5 is the schematic perspective view of the first terminal of the utility model quick connector.

Fig. 6 is the schematic side view of Fig. 5.

Fig. 7 is the schematic perspective view of the Metallic card of the utility model quick connector.

Fig. 8 is the schematic side view of Fig. 7.

[embodiment]

See also Fig. 1 to shown in Figure 4, the utility model discloses a kind of quick connector 10, comprises lid 1, box body 2, some the first terminals 3, second terminal 4, the 3rd terminal 5, Metallic card 6, bypass diode 7, the end of a thread holder 8 and junction block upper shell 9.Wherein, described box body 2 comprises box portion bottom wall 20 and four sides sidewall 21, is formed with plurality of terminals fixed part 22 on bottom surface 20 successively; Corresponding terminal fixed part 22 is provided with the wiring joint 23 that inserts for connection plug on a distolateral wall of described box body 2.

See also Fig. 5 and shown in Figure 6, described the first terminal 3 is made by material copper (especially red copper), it is a kind of conduction that has concurrently simultaneously, the multifunction terminal of heat radiation and clamping function, comprise the first terminal main part 31, be arranged on the cable stiff end 32 of the first terminal main part 31 1 ends and be arranged on the terminal holding part 33 that having of the first terminal main part 31 other ends roughly is ∪ font end face, wherein, described the first terminal main part 31 comprises a first terminal main part diapire 310 and the two the first terminal main part sidewalls 311 that upwards are bent to form by the first terminal main part diapire 310, the end face of whole the first terminal main part 31 roughly is the ∪ shape, on the first terminal main part sidewall 311, be formed with some mouths 312 that hold respectively, be formed with first at described the first terminal main part diapire 310 punching press downwards successively, second holding hole 313,314, under first holding hole, 313 adjacent terminal holding parts, 33 1 side direction, protrude out and be formed with the first elasticity card base 315, protrude out equally downwards in second holding hole, 314 contiguous first holding hole, 313 1 sides and be formed with the second elasticity card base 316; Described holding part 33 comprises a holding part diapire 330, upwards be bent to form two holding part sidewalls 331 by holding part diapire 330, wherein a holding part sidewall 331 connects as one with the first terminal main part diapire 310 fillets, on holding part sidewall 331, be formed with protrude out outside one day circular-arc protruding 334, be formed with intilted block 333 on the top of this sidewall away from the first terminal main part 31; Described cable stiff end 32 comprises a cylindrical cable plug resettlement section 321 and accommodates the not 321 flat cable fixed supports 322 that are that link to each other and extend outwardly and form with this cable plug.

Described second terminal 4 is a flexure strip, roughly be the σ shape, a vertical edges 40 of this second terminal 4 is posted by on the medial surface away from the holding part sidewall 331 of the first terminal main part 31, the free end top of second terminal 4 is provided with a rectangular opening 41, and the front end cutting ferrule of rectangular opening 41 also is fixed on the described holding part sidewall 331.Described the 3rd terminal 5 is elastic tensioning sheets, roughly take the shape of the letter U, one sidewall 51 and the first terminal 3 away from the holding part sidewall 331 of the first terminal main part 31 near setting.

See also Fig. 7 and Fig. 8, described Metallic card 6 (being made by stainless steel) integral body is tabular, the two ends of Metallic card 6 are to being bent to form fixing feet 61 respectively down, corresponding first, second holding hole 313,314 is provided with first, second through

hole

62,63 on the flat part of Metallic card 6, and corresponding first and second elasticity card base 315,316 is provided with the 3rd, the 4th

elasticity card base

64,65.

During assembling, Metallic card 6 is installed on the first terminal 3, first, second holding hole 313,314 is corresponding with first, second through

hole

62,63, fixing feet 61 and first, second holding hole 313,314 that Metallic card 6 two ends form hold, and described the 3rd, the 4th

elasticity card base

64,65 passes first, second holding hole 313,314 and cooperates the fixedly support slot of bypass diode pin of formation with first and second elasticity card base 315,316.Like this, bypass diode 9 at first cooperates the support slot of the bypass diode pin that forms to hold by first, second holding hole 313,314 and with first and second elasticity card base 315,316, hold by the mouth 312 that holds that forms on the first terminal main part sidewall 311 again simultaneously, whole bypass diode 9 fixedly secures through behind the dual buckle; The structure of remainder and assembling are disclosed by prior art, do not repeat them here.

More than describing is embodiment of the present utility model only, forgives and can understand, and under the prerequisite that does not depart from the utility model design, all should be included within the technical conceive of the present utility model simple modification of the present utility model and replacement.

Claims

1. quick connector, comprise lid, box body, bypass diode and the first terminal, wherein, described the first terminal comprises the first terminal main part, be arranged on the cable stiff end of the first terminal main part one end and be arranged on the terminal holding part that having of the first terminal main part other end roughly is ∪ font end face, it is characterized in that: described the first terminal main part comprises a first terminal main part diapire and the two the first terminal main part sidewalls that upwards are bent to form by the first terminal main part diapire, the end face of whole the first terminal main part roughly is the ∪ shape, on the first terminal main part sidewall, be formed with some mouths that hold respectively, be formed with first at described the first terminal main part diapire punching press downwards successively, second holding hole, under sub-holding part one side direction of the first holding hole near-end, protrude out and be formed with the first elasticity card base, protrude out equally downwards in contiguous first holding hole, one side of second holding hole and be formed with the second elasticity card base.

2. quick connector as claimed in claim 1 is characterized in that: described holding part comprises a holding part diapire, upwards is bent to form two holding part sidewalls by the holding part diapire, and wherein a holding part sidewall and the first terminal main part diapire fillet connect as one.

3. quick connector as claimed in claim 1 or 2, it is characterized in that: also comprise a Metallic card, described Metallic card integral body is tabular, the two ends of Metallic card are to being bent to form fixing feet respectively down, corresponding first, second holding hole is provided with first, second through hole on the flat part of Metallic card, and corresponding first and second elasticity card base is provided with the 3rd, the 4th elasticity card base.