CN201946927U

CN201946927U - Solar terminal box

Info

Publication number: CN201946927U
Application number: CN2011200024120U
Authority: CN
Inventors: 陈泽鹏
Original assignee: DONGGUAN ZERUN ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: DONGGUAN ZERUN ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2011-01-06
Filing date: 2011-01-06
Publication date: 2011-08-24
Anticipated expiration: 2021-01-06

Abstract

The utility model discloses a solar terminal box, which comprises an insulating body, a face cover, electrical components and wire fixing devices, wherein the face cover is matched with the insulating body; the electrical components and the wire fixing devices are arranged in the insulating body; the insulating body is provided with a containing space, an opening of the containing space faces towards the face cover; the electrical components and the wire fixing devices are collected in the containing space; each wire fixing device comprises a binding clip and an elastic sheet which is matched with the binding clip; each binding clip comprises a first base, a wire clamping part and an extending part which is arranged between the first base and the wire clamping part, the first base is provided with a first opening and a second opening, a contact part is formed by bending downwards one end of the second opening, which is close to the first opening; each elastic sheet comprises a second base which is blocked and arranged at a bottom wall of the containing space, a fixing part and an elastic part which is arranged under the second opening; and a through hole which penetrates through the fixing part is arranged on the fixing part, and the contact part extends into the through hole and butts against one side wall of the through hole. The solar terminal box has a simple structure and is convenient to use.

Description

Solar junction box

Technical field

The utility model relates to a kind of solar junction box, especially relates to a kind of solar junction box that connects the cable of taking out stitches fast.

Background technology

In solar energy system, usually need to adopt terminal box, and the five metals terminal needs to be connected with External cable in the terminal box.Tradition is used for solar junction box and often adopts contact, soldering formula or screw to connect, and disconnects owing to contact is connected to shake easily in the assembling process, and it is not firm to connect, and it is little to connect area, and conduction property is bad.It is very big that connection of soldering formula or screw connect workload, because need connect after assembling, the terminal box space is limited, brings the very big limit for connection work.But also having the high temperature soldering disconnection that comes off, screw is not tightened the disconnection equivalent risk that comes off.

The utility model content

The utility model is to provide a kind of solar junction box that connects the cable of taking out stitches fast at the defective that the above-mentioned background technology exists.

For achieving the above object, the utility model discloses a kind of solar junction box, it comprises an insulating body, a cover that matches with described insulating body, is located at electric elements and solidus device in the described insulating body, described insulating body is provided with the receiving space of an opening towards described cover, described electric elements and solidus device are contained in the described receiving space, and described solidus device comprises a binding clip and a shell fragment that matches with described binding clip; Described binding clip have a horizontal expansion and be fixedly arranged on first base portion at receiving space diapire place, a clamp portion and is located at the extension between described first base portion and the clamp portion, described first base portion is provided with second opening that one first opening and is located at described first opening, one side, and nearly first openend of described second opening is bent to form a contact site downwards; Described shell fragment have fixed part that second base portion that is arranged in receiving space diapire place, extends to form by an end of described second base portion, and a free end by described fixed part extend to form and be located at the elastic portion of second opening below; Described fixed part is provided with a through hole that runs through described fixed part up and down, and described contact site stretches in the described through hole and is resisted against on the sidewall of described through hole.

Further, the both sides of first base portion of described binding clip are bent with symmetrically and are arranged in the clamping part at receiving space diapire place downwards; Second base portion of described shell fragment takes the shape of the letter U and has first free end and second free end, first free end of described second base portion extends to form flat fixed part to a side, and second free end of described second base portion extends and is bent to form a holding section that is fastened in receiving space diapire place downwards to opposite side; The free end of described fixed part bends the back downwards, extends to form described elastic portion to second base portion.

Further, the both sides of the extension of described binding clip extend upward symmetrical location division, run through the location notch of described location division before and after described location division is provided with, described electric elements are set up on the adjacent binding clip, and the two ends of electric elements are located in the corresponding location notch.

Further, the side of described insulating body outwards convexes with first engaging lug of some spaces, described first engaging lug is provided with a groove that runs through that runs through described first engaging lug up and down, and the described sidewall that runs through groove is provided with one and extends and exceed the clamping part of the described first engaging lug top edge towards cover; The edge of described cover stretch out be formed with some spaces and with corresponding second engaging lug of described first engaging lug, described second engaging lug is provided with a buckle slot that runs through described second engaging lug up and down and match with described clamping part.

Further, the end of described clamping part stretches out and is formed with a pothook that is arranged in the described buckle slot.

In sum, the utility model solar junction box is by being provided with binding clip and the shell fragment that matches with described binding clip, thereby elastic force that can be by shell fragment to be disconnecting cable fast, thereby not only simple in structure but also easy to use.

Description of drawings

Fig. 1 is the structural representation of a kind of embodiment of the utility model;

Fig. 2 is a decomposing schematic representation of the present utility model shown in Figure 1;

Fig. 3 is the structural representation of the utility model binding clip shown in Figure 1;

Fig. 4 is the cut-away view after the utility model shown in Figure 1 is removed cover.

Embodiment

For further understanding feature of the present utility model, technological means and the specific purposes that reached, function, the utility model is described in further detail below in conjunction with accompanying drawing and embodiment.

See also Fig. 1, the utility model solar junction box 1 comprises an insulating body 10, a cover 20 that matches with described insulating body 10, is located at electric elements 30 and solidus device 40 in the described insulating body 10.

See also Fig. 1 to Fig. 2, described insulating body 10 is provided with an opening towards described cover 20 and roughly rectangular receiving space 11.Described electric elements 30 and solidus device 40 are contained in the described receiving space 11.One sidewall of described receiving space 11 is provided with the two wire hole (not shown) that run through described sidewall and space.The side of described insulating body 10 outwards convexes with first engaging lug 13 of some spaces.Described first engaging lug 13 be provided with one run through described first engaging lug 13 up and down run through groove 131.The described sidewall that runs through groove 131 is provided with one and extends and exceed the clamping part 14 of described first engaging lug, 13 top edges towards cover 20.The end of described clamping part 14 stretches out and is formed with a pothook 141.The edge of described cover 20 stretch out be formed with some spaces and with described first engaging lug, 13 corresponding second engaging lugs 21.Described second engaging lug 21 is provided with a buckle slot 211 that runs through described second engaging lug 21 up and down and match with described clamping part 14.Described pothook 141 is arranged in the described buckle slot 211.

See also Fig. 1 to Fig. 4, described solidus device 40 comprises a binding clip 41 and a shell fragment 42 that matches with described binding clip 41.In the present embodiment, described binding clip 41 and shell fragment 42 design interference fit 0.2mm.First base portion 411, a clamp portion 412 and that described binding clip 41 has a horizontal expansion and is fixedly arranged on receiving space 11 diapire places are located at the extension 413 between described first base portion 411 and the clamp portion 412.Described first base portion 411 is provided with second opening 415 that one first opening 414 and is located at described first opening, 414 1 sides.Nearly first opening, 414 ends of described second opening 415 are bent to form a contact site 4151 downwards.The bending downwards of the both sides of first base portion 411 of described binding clip 41 is provided with symmetrically and is arranged in the clamping part 4111 at receiving space 11 diapire places.The both sides of the extension 413 of described binding clip 41 extend upward symmetrical location division 4131.The location notch 4132 that runs through described location division 4131 before and after described location division 4131 is provided with.Described electric elements 30 are set up on the adjacent binding clip 41.The two ends of described electric elements 30 are located in the corresponding location notch 4132.

Please continue to consult Fig. 1 to Fig. 4, described shell fragment 42 has second base portion 421 that is arranged in receiving space 11 diapire places and takes the shape of the letter U.Described second base portion 421 has first free end and second free end.First free end of described second base portion 421 extends to form flat fixed part 422 to a side.Second free end of described second base portion 421 extends and is bent to form a holding section 423 that is fastened in receiving space 11 diapire places downwards to opposite side.The free end of described fixed part 422 bends the back downwards, extends to form an elastic portion 424 of being located at second opening, 415 belows to second base portion 421.Described fixed part 422 is provided with a through hole 4221 that runs through described fixed part 422 up and down, and described contact site 4151 stretches in the described through hole 4221 and is resisted against on the sidewall of described through hole 4221.

Please continue to consult Fig. 1 to Fig. 4, in use, at first described electric elements 30 and solidus device 40 are located in the receiving space 11 of described insulating body 10.Straight screwdriver or similar flat instrument are stretched into first opening, 414 places of binding clip 41, the elastic portion 424 to force in described shell fragment 42, make described shell fragment 42 that elastic deformation take place; The contact site 4151 of described binding clip 41 separates with the sidewall of the through hole 4221 of shell fragment 42; Thereby an end of cable can be inserted between the sidewall of the contact site 4151 of described binding clip 41 and through hole 4221.Stop then described shell fragment 42 application of forces, shell fragment 42 will be by the elastic return ortho states of self, and described cable clamp is held between the sidewall of described contact site 4151 and through hole 4221 to reach the purpose of conduction.The opposite end of described cable is located in the clamp portion 412 of binding clip 41, and passes wire hole to stretch out described receiving space 11.

Please continue to consult Fig. 1 to Fig. 4, when wanting described cable pulled down, only need straight screwdriver or similar flat instrument are stretched into first opening, 414 places of binding clip 41, the elastic portion 424 to force in described shell fragment 42, make described shell fragment 42 that elastic deformations take place; The contact site 4151 of described binding clip 41 separates with the sidewall of the through hole 4221 of shell fragment 42; Described cable is pulled down to disconnect electric connection from described solidus device 40.Stop then described shell fragment 42 application of forces, shell fragment 42 will be by the elastic return ortho states of self.Thereby the utility model solar junction box 1 not only is connected firmly, the contact-making surface of described cable and solidus device is big, and good, the convenient cable that disconnects fast of conduction property; Thereby a large amount of reductions workload, and guaranteed solar junction box 1 work reliability, prolonged useful life of solar junction box 1.

In sum, the shell fragment 42 of the utility model solar junction box 1 by being provided with binding clip 41 and matching with described binding clip 41, thereby elastic force that can be by shell fragment 42 to be disconnecting cable fast, thus not only simple in structure but also easy to use.

The above embodiment has only expressed a kind of execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model scope.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with claims.

Claims

1. solar junction box, it comprises an insulating body (10), a cover (20) that matches with described insulating body (10), is located at electric elements (30) and solidus device (40) in the described insulating body (10), described insulating body (10) is provided with the receiving space (11) of an opening towards described cover (20), described electric elements (30) and solidus device (40) are contained in the described receiving space (11), it is characterized in that: described solidus device (40) comprises a binding clip (41) and a shell fragment (42) that matches with described binding clip (41); Described binding clip (41) have a horizontal expansion and be fixedly arranged on first base portion (411) at receiving space (11) diapire place, a clamp portion (412) and is located at the extension (413) between described first base portion (411) and the clamp portion (412), described first base portion (411) is provided with second opening (415) that one first opening (414) and is located at described first opening (414) one sides, and nearly first opening (414) end of described second opening (415) is bent to form a contact site (4151) downwards; Described shell fragment (42) have fixed part (422) that second base portion (421) that is arranged in receiving space (11) diapire place, extends to form by an end of described second base portion (421), and a free end by described fixed part (422) extend to form and be located at the elastic portion (424) of second opening (415) below; Described fixed part (422) is provided with a through hole (4221) that runs through described fixed part (422) up and down, and described contact site (4151) stretches in the described through hole (4221) and is resisted against on the sidewall of described through hole (4221).

2. solar junction box according to claim 1 is characterized in that: the both sides of first base portion (411) of described binding clip (41) are bent with symmetrically and are arranged in the clamping part (4111) at receiving space (11) diapire place downwards; Second base portion (421) of described shell fragment (42) takes the shape of the letter U and has first free end and second free end, first free end of described second base portion (421) extends to form flat fixed part (422) to a side, and second free end of described second base portion (421) extends and is bent to form a holding section (423) that is fastened in receiving space (11) diapire place downwards to opposite side; The free end of described fixed part (422) bends the back downwards, extends to form described elastic portion (424) to second base portion (421).

3. solar junction box according to claim 2, it is characterized in that: the both sides of the extension (413) of described binding clip (41) extend upward symmetrical location division (4131), the location notch (4132) that runs through described location division (4131) before and after described location division (4131) is provided with, described electric elements (30) are set up on the adjacent binding clip (41), and the two ends of electric elements (30) are located in the corresponding location notch (4132).

4. solar junction box according to claim 3, it is characterized in that: the side of described insulating body (10) outwards convexes with first engaging lug (13) of some spaces, described first engaging lug (13) be provided with one run through described first engaging lug (13) up and down run through groove (131), the described sidewall that runs through groove (131) is provided with one and extends and exceed the clamping part (14) of described first engaging lug (13) top edge towards cover (20); The edge of described cover (20) stretch out be formed with some spaces and with corresponding second engaging lug of described first engaging lug (13) (21), described second engaging lug (21) is provided with a buckle slot (211) that runs through described second engaging lug (21) up and down and match with described clamping part (14).

5. solar junction box according to claim 4 is characterized in that: the end of described clamping part (14) stretches out and is formed with a pothook (141) that is arranged in the described buckle slot (211).