CN201623415U

CN201623415U - Rapid terminal box

Info

Publication number: CN201623415U
Application number: CN2009202784376U
Authority: CN
Inventors: 朱耀丽
Original assignee: Shenzhen City Hongxinxu Industry Development Co Ltd
Current assignee: Shenzhen City Hongxinxu Industry Development Co Ltd
Priority date: 2009-11-16
Filing date: 2009-11-16
Publication date: 2010-11-03
Anticipated expiration: 2019-11-16

Abstract

The utility model discloses a rapid terminal box, which comprises a box body, a box cover and at least two current carrying boxes, wherein the box body and the box cover are up and down covered together, the current carrying boxes are arranged in the box body, the inner surface of the bottom wall of the box body is convexly provided with two parallel rails, and one side wall which is parallel to the rails is provided with two terminal through holes. The bottom surfaces of the current carrying boxes are respectively provided with grooves which are matched with the two rails, the current carrying boxes are arranged on the tails and are covered into an integrated body by a left and a right half parts, metal current carriers are embedded in the current carrying boxes, and the rear end portions of the metal current carriers are provided with jacks with inner threads. Metal plugs are closely bitten with the metal current carriers together through lightly clockwise twisting wire cables which are arranged and connected with the rear ends of the metal plugs by hands after the metal plugs are inserted in the jacks of the current carriers, thereby achieving connecting and fastening of the two, effectively preventing from generating the loosing and falling phenomenon of the metal plugs, and achieving rapid and free inserting and exchanging between the current carriers and the metal plugs.

Description

Quick connector

Technical field

The utility model relates to a kind of terminal box, particularly relates to a kind of quick connector.

Background technology

Terminal box is extensive use of at electronic applications, at present, the lead of terminal box generally adopts riveted joint, welding or locks the pressure mode with the screw pressing plate and connects, its shortcoming is all to need just can finish by corresponding instrument, and wiring speed is slow, be not easy to exchange, and screw is prone to and gets loose, thereby causes lead to disconnect.

China utility model patent CN2857290Y (patent No. is 200520013726.5) discloses a kind of quick connector, it adopts the plug-type structure, for preventing that plug from getting loose, cooperating again increases by a holder, in holder, insert the copper square that is used to conduct thrust again, compress line trap by the screw that rotates on the copper square, realization is fastening to metallic plug.Though this scheme has realized the free interchangeable of lead and has patched, the also corresponding raising of wiring efficient, its shortcoming is: A dismounting and maintenance are still efficient and convenient inadequately, all also must turn on screw earlier by means of instrument at every turn; B is because metallic plug, copper square and screw are exposed, and very near from product edge, can produce the potential safety hazard of getting an electric shock because of careless like this when using and keep in repair, and in addition, creepage distance is shorter, and electrical safety performance is relatively poor; C has been owing to additionally increased parts such as holder, copper square and screw, and is loaded down with trivial details, complicated when not only producing and keeping in repair, waste time and energy, and the waste resource, increases cost, is unfavorable for popularization.

Also has a kind of connected mode that is similar to above-mentioned quick connector in the prior art, the copper square that maximum difference is there is not holder and is used to conduct thrust, but carrying object is extended, and dash an aperture at the lengthening end and pass for screw, on metallic plug, bore a screwed hole simultaneously, utilize instrument that screw is screwed in carrying object with metallic plug then, to realize anticreep.Efficient and convenient inadequately when its shortcoming remains dismounting and maintenance, all also must turn on screw earlier by means of instrument at every turn; Because the exposed of metallic plug and screw still can bring potential safety hazard; In the plug-in type process, also consider and adjust the position of metallic plug, allow its screwed hole must keep consistent on the direction with the aperture on the carrying object lengthening end, just can make screw pass the two, thus produce and inefficiency not only during maintenance, and loaded down with trivial details, complicated, waste time and energy.

The utility model content

Technical problem to be solved in the utility model be solve terminal box wiring speed slow, be not easy to exchange, the problem of dismounting and maintenance inconvenience.

In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted provides a kind of quick connector, comprise spiral-lock up and down together box body and lid and be arranged at least two current-carrying boxes in the box body, convex with two parallel tracks on the inner surface of described box portion bottom wall, be provided with two wiring through holes with a sidewall of parallel track; Be respectively equipped with on the bottom surface of described current-carrying box and the suitable groove of two tracks, the current-carrying box places on the track and this current-carrying box is an one by left and right sides two halves spiral-lock, be embedded with the metal carrying object in the current-carrying box, the rearward end of described metal carrying object is provided with tapped jack, and the jack of the metal carrying object on outermost two current-carrying boxes is relative with wiring through hole on the box body.

In the such scheme, be fitted with the bushing type water joint in the described wiring through hole and be fixed on the box side wall by clamp nut, be respectively equipped with two perpendicular positioning muscle on the box body madial wall of wiring through hole both sides, the cross section of this positioning bar is L-shaped, one end of clamp nut is provided with the hexagon flange, the below of wiring through hole is provided with and the adaptive locating piece of clamp nut flange profile, described flange place on the locating piece and be stuck in positioning bar and the gap of box body madial wall folder in.

The quantity of described current-carrying box is two, three or four, and the metal carrying object on the current-carrying box is connected mutually by diode respectively.

Be provided with sealing ring between box body and the lid.

The utility model, the rearward end of metal carrying object is provided with tapped jack, to be provided with externally threaded metallic plug suitable with leading section, insert the jack of carrying object at metallic plug after, be attached thereto the cable that connects with hand clockwise shearing metallic plug rear end gently, metallic plug just is interlocked mutually closely with the metal carrying object, thereby realizes the abundant connection and fastening of the two, has effectively prevented the loosening and obscission of metallic plug; When needs are opened connection, only need to get final product by gently twisting the cable that is connected with metallic plug with have gentle hands counterclockwise, directly extracting then.Realized that really the fast free between carrying object and the metallic plug patches and exchanges, and connect fully, firmly, reliable, install, dismantle and keep in repair efficient and convenient, do not need by any instrument and increase any accessory, time saving and energy saving, saved cost.

Description of drawings

Fig. 1 is a decomposition texture schematic diagram of the present utility model;

Fig. 2 is the utility model box body structure schematic diagram;

Fig. 3 is the utility model current-carrying box structural representation;

Fig. 4 is the utility model carrying object structural representation.

Embodiment

The utility model provides a kind of quick connector, is applicable to the quick connection and the dismounting of power lead and other lead in the solar module, below in conjunction with accompanying drawing the utility model is made detailed explanation.

Fig. 1 is a decomposition texture schematic diagram of the present utility model, as shown in Figure 1, the utility model comprise spiral-lock up and down together box body 1 and lid 2 and be arranged on current-carrying box 14 in the box body 1, box body 1 and lid 2 are made by engineering plastics, and be provided with sealing ring 11 between box body 1 and the lid 2, be used for water proof and dust proof.

In conjunction with Fig. 1, Fig. 2, convex with two parallel tracks 3 on the inner surface of described box body 1 diapire, a box side wall 40 parallel with track 3 is provided with two wiring through holes 4, be provided with "-" "+" sign 5 between two wiring through holes 4 on box side wall 40 outer surfaces, be respectively equipped with two perpendicular positioning muscle 6 on the inner surface of the box side wall 40 of wiring through hole 4 both sides, the cross section of this positioning bar 6 is L-shaped, one end of clamp nut 33 is provided with hexagon flange 32, the below of wiring through hole 4 is provided with the locating piece 7 adaptive with clamp nut flange 32 profiles, locating piece 7 approximate M shapes, the flange 32 of clamp nut 33 places on the locating piece 7 and is stuck in the folded gap of positioning bar 6 and box side wall 40 inner surfaces, realizes the rapid and natural location and the slip-off preventing of fastening metal nut 33.Bushing type water joint 30 is from inserting wiring through hole 4 outside to inside and being fixed on by clamp nut 33 on the sidewall 40 of box body 1.The corner location of box body 1 upper surface respectively is provided with a card base hole 8, be respectively equipped with heat radiation reinforcement 9 on four lateral walls of box body 1, respectively there is a card base 12 at the place, four angles of lid 2 lower surfaces, corresponding with four card base holes 8 of box body 1 respectively, realize closely fastening mutually, lid 2 upper surfaces are provided with "-" "+" sign 13.

Again in conjunction with Fig. 1, Fig. 3 and Fig. 4, described current-carrying box 14 is made by engineering plastics, and by left and right sides two halves spiral-lock is one, promptly be buckled into one by deformability fluking type pin 15 and the pin hole 16 that has respectively, be respectively equipped with on its bottom surface and the suitable groove 17 of two tracks 3, current-carrying box 14 places on the track 3, realize that the fixing of current-carrying box 14 also can slide along track 3 as required, the front end of current-carrying box 14 upper surfaces has can be for the jack 18 of lead or welding insertion, the below of jack 18 is provided with can be for the tooling hole 19 of wedge tool insertion, and the below of tooling hole 19 is provided with two installing holes 20 for the diode insertion.Be embedded with metal carrying object 21 in this current-carrying box 14, described carrying object 21 is formed through electroplating surface by the splendid red copper of conduction, its front end is " U " shape and is used to install jump ring 22, jump ring 22 is used to connect outer lead or welding, carrying object 21 is provided with two apertures 23, pack into for the shell fragment 24 that has card base, have card base 25 below this aperture 23, work in coordination with the shell fragment 24 of band card base, diode inserts installing hole 20 and aperture 23, and clamps diode by shell fragment 24, and the rearward end of metal carrying object 21 is provided with tapped jack 26, and this jack 26 is relative with wiring through hole 4 on the box body 1, and jack 26 inserts for metallic plugs 27.Straight screwdriver inserts in the tooling hole 19, upwards can open jump ring 22 once prizing, and takes out connection cable, so connection cable and carrying object disconnect.

According to actual needs; in the box body 1 two, three or four current-carrying boxes 14 can be installed; metal carrying object on these current-carrying boxes is connected mutually by diode respectively; the jack of the metal carrying object on wherein outermost two on the current-carrying box is relative with wiring through hole on the box body; be used to connect the both positive and negative polarity metallic plug 27 on the external equipment (as solar panel); metal carrying object on the intermediate current-carrying box is used to connect corresponding welding formation segmentation bypass on the solar panel, to form sectionalised protection.

Metallic plug 27 comprises insertion end 41 and terminals 42, insertion end 41 and terminals 42 all are the diameter of the diameter of cylindrical shape and terminals 42 greater than insertion end 41, the leading section of terminals 42 is provided with and the suitable external screw thread 29 of jack 26 internal threads, is set with external drum net 28 on the insertion end 41.

The structure of bushing type water joint 30 is similar to existing product; unique different be that its inner end is along the protection tube 31 that is stretched into certain-length; be used to protect the metallic plug 27 of insertion; effectively reduce the danger of careless electric shock, also solved originally and crossed the relatively poor problem of electrical safety performance that is closely caused because of creepage distance.

The utility model is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present utility model, every with the utlity model has identical or close technical scheme, all fall within the protection range of the present utility model.

Claims

1. quick connector, comprise spiral-lock up and down together box body and lid and be arranged at least two current-carrying boxes in the box body, it is characterized in that:

Convex with two parallel tracks on the inner surface of described box portion bottom wall, be provided with two wiring through holes with a sidewall of parallel track;

Be respectively equipped with on the bottom surface of described current-carrying box and the suitable groove of two tracks, the current-carrying box places on the track and this current-carrying box is an one by left and right sides two halves spiral-lock, be embedded with the metal carrying object in the current-carrying box, the rearward end of described metal carrying object is provided with tapped jack, and the jack of the metal carrying object on outermost two current-carrying boxes is relative with wiring through hole on the box body.

2. quick connector as claimed in claim 1, it is characterized in that being fitted with in the described wiring through hole bushing type water joint and be fixed on the box side wall by clamp nut, be respectively equipped with two perpendicular positioning muscle on the box body madial wall of wiring through hole both sides, the cross section of this positioning bar is L-shaped, one end of clamp nut is provided with the hexagon flange, the below of wiring through hole is provided with and the adaptive locating piece of clamp nut flange profile, described flange place on the locating piece and be stuck in positioning bar and the gap of box body madial wall folder in.

3. quick connector as claimed in claim 1 or 2, the quantity that it is characterized in that described current-carrying box is two, three or four, the metal carrying object on the current-carrying box is connected mutually by diode respectively.

4. quick connector as claimed in claim 3 is characterized in that being provided with sealing ring between box body and the lid.