CN201234098Y

CN201234098Y - Construction improved fast wiring box

Info

Publication number: CN201234098Y
Application number: CNU2008201222502U
Authority: CN
Inventors: 王志峰; 王冬; 魏承辉
Original assignee: Individual
Current assignee: Ningbo Nengli Photovoltaic Technology Co Ltd
Priority date: 2008-07-25
Filing date: 2008-07-25
Publication date: 2009-05-06
Anticipated expiration: 2018-07-25

Abstract

A quick junction box with an improved structure comprises a box body, a box cover, wiring units and a bypass diode, wherein the bypass diode and two adjacent wiring units are in parallel connection. The quick junction box is characterized in that a connecting terminal comprises a chucking sleeve, an inner sleeve and a connection shaft housing; the chucking sleeve is connected to the outer wall of the box body; external threads are formed at one end of the chucking sleeve; a claw-shaped end part which can be opened or closed is arranged at the other end thereof; the inner sleeve, through which a wire can pass, is contained in an inner hole of the chucking sleeve; and the connection shaft housing is sleeved outside the chucking sleeve and in threaded connection with the chucking sleeve. Compared with the prior art, the utility model adopts the chucking sleeve with the claw-shaped end part in the combination part of the connecting terminal, the claw-shaped end part can be closed when the connection shaft housing is sleeved on the chucking sleeve and screwed with the chucking sleeve through threads, so as to tighten the inner sleeve arranged in the inner hole of the chucking sleeve, and at the same time fix the wire passing through the inner sleeve, thereby preventing the wire from swaying in the connecting terminal.

Description

The quick connector of architecture advances

Technical field

The utility model relates to a kind of terminal box, particularly a kind ofly is applied to solar photovoltaic assembly and is used to realize power lead and the terminal box of external circuit fast-wiring.

Background technology

Terminal box used in the solar photovoltaic assembly all is provided with wiring units in box body, wiring units is for the fast-wiring between the power lead of realizing solar battery group and the external solar circuitry.Therefore, all be useful on the binding post of grafting lead at the two ends of wiring units, after lead inserts binding post, realize the conducting of terminal box input and output circuit by wiring units.

If any application number is the connection terminal structure that China of 200610049514.1 invention " a kind of terminal box " just relates to a kind of terminal box, described terminal box includes box body, be provided with wiring units in the box body, have wire hole on the sidewall of box body, it is provided with binding post, links to each other with wiring units after having lead to pass binding post; Binding post is made up of socket and plug; Socket wears and is fixed in the wire hole, be provided with in the socket one link to each other with wiring units metal-cored; Plug is connected the rear end of socket by a syndeton, syndeton is that buckle connects, and has two Elastic buckles that extend forward in plug head, and both sides, its rear end have two male part, on these two male part, respectively have a hole clipping, be inserted with metal connecting piece in the plug.The output binding post of above-mentioned terminal box can be realized direct wiring, thread-changing, but the structure of binding post is comparatively complicated, and the design production cost can increase relatively.

In actual use, binding post is primary to the reliability of positioning of lead, because lead passes through binding post, if in binding post, rock relatively or than macrovoid, then lead wire terminal can be fixed not firm and cause the instability that circuit connects, thereby influences the normal use of terminal box.Therefore, need a kind of connection terminal structure of being convenient to the terminal box of fixing cord of design.

The utility model content

Technical problem to be solved in the utility model is to provide at above-mentioned prior art present situation that a kind of connection terminal structure is simple, the quick connector of architecture advances that can fastening wire of output terminal.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: the quick connector of this architecture advances includes

Box body, the bottom has Connection Block, and outer wall is provided with binding post;

Lid is connected on the described box body;

Wiring units is arranged in the Connection Block of described box body bottom; And

Bypass diode is connected in parallel between two adjacent described wiring units;

It is characterized in that: described binding post includes chucking cover, inner sleeve and connecting bushing, described chucking cover is connected on the outer wall of described box body, chucking cover one end has external screw thread, the other end has the claw-shaped end of expansible or gathering, but the inner sleeve of described cross-under lead is contained in the endoporus of this chucking cover, also realizes and tighten being threaded of cover outside the described chucking cover of described connecting bushing socket.

In order to make things convenient for the installation and removal of bypass diode, and simplify the structure of wiring units, described wiring units includes metal deck, pressing plate and elastic bearing seat, described elastic bearing seat is contained in the described Connection Block, described pressing plate is resisted against the upper surface of described elastic bearing seat, described metal deck is located at outside described pressing plate and the elastic bearing seat, and link to each other with described Connection Block, the pin of described bypass diode is plugged between the inwall of described pressing plate upper surface and metal deck.Because the elastic bearing seat has elastic-restoring force behind pressurized, can guarantee when pressing plate is down pushed, make pressing plate have all the time the trend that offsets with the metal deck, and then can tighten the bypass diode that is plugged between pressing plate and the metal deck.

Consider that terminal box in use can rock, for the position of link unit in the box body Connection Block, each described Connection Block also is provided with a pair of presser feet, and this presser feet is fastened on the top surface of the described metal deck in the ccontaining corresponding junction block.Presser feet can guarantee the axial location of whole wiring units, prevents to drop out in junction block.

Terminal box in the past all is that externally all sides are provided with buckle and draw-in groove because of box body and being connected of lid, can increase the volume of whole terminal box, nor it is attractive in appearance, in order to reduce overall volume, and make whole terminal box seem more succinct, described box body has groove on uncovered end face, have in this groove along the groove fixture block of evagination radially, described lid is provided with grab in bottom and the corresponding position of described groove, described grab can be contained in the corresponding grooves, and the fixture block in described grab and the respective slot oppositely deducts spacing and realizes described box body, being fastened and connected of lid.

Compared with prior art, advantage of the present utility model is: adopted the chucking cover with claw-shaped end in the combiner of binding post, this claw-shaped end when connecting bushing be socketed in the chucking put, and can draw in when screwing the chucking cover by screw thread, play the fastening effect that is arranged on the inner sleeve in the chucking cover endoporus, the lead that is arranged in inner sleeve can be fixed simultaneously, prevent lead rocking in binding post.If the connecting thread between connecting bushing and the chucking cover is unscrewed, then the claw-shaped end of chucking cover can be opened, and can unclamp the fixing effect to inner sleeve, uses very convenient.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model embodiment.

Fig. 2 is an assembly structure figure of the present utility model (removing lid);

Fig. 3 is the structural representation of the utility model lid;

Fig. 4 is the vertical view of Fig. 2;

Fig. 5 is that A-A shown in Figure 4 is to cutaway view;

Fig. 6 is that B-B shown in Figure 4 is to partial sectional view.

Embodiment

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

Embodiment, referring to Fig. 1～Fig. 6:

As shown in Figure 1 and Figure 2, the quick connector of present embodiment, include lid 1 and box body 2, seal by sealing ring 7 between lid 1 and the box body 2, box body 2 has two Connection Blocks 3 in the bottom, box body 2 outer walls are provided with two binding posts of being made up of chucking cover 41, inner sleeve 42 and connecting bushing 43 4, and the also ccontaining wiring units of being made up of metal deck 51, pressing plate 52 and elastic bearing seat 53 5 is parallel with bypass diode 6 between the adjacent wiring units 5 in the corresponding Connection Block 3 in box body 2;

Each Connection Block 3 also is provided with a pair of presser feet 31 on the two side, each presser feet 31 all can be fastened on the top surface of the metal deck 51 in the ccontaining corresponding junction block 3 accordingly, the axial location that presser feet 31 can guarantee whole wiring units is set on Connection Block 3, prevents from junction block, to drop out.

As shown in Figure 5, the concrete syndeton of wiring units 5 is: elastic bearing seat 53 is contained in the Connection Block 3, pressing plate 52 is resisted against the upper surface of elastic bearing seat 53, but pressing plate 52 1 ends are the wiring hole 521 of cross-under lead, the lead of drawing from this wiring hole 521 and then penetrate the binding post 4, metal deck 51 is located at outside pressing plate 52 and the elastic bearing seat 53, and link to each other with Connection Block 3, because elastic bearing seat 53 has elastic-restoring force behind pressurized, can guarantee when pressing plate 52 is down pushed, make pressing plate 52 have all the time the trend that offsets with metal deck 51.

So, when pressing plate 52 is down pressed, have the space between pressing plate 52 and the metal deck 53, the pin 61 of bypass diode 6 can insert among this space, and the elastic-restoring force by elastic bearing seat 53 is resisted against the pin 61 of bypass diode 6 between the inwall of the upper surface of pressing plate 52 and metal deck 51 tightly.

In addition, chucking cover 41 is directly connected on the outer wall of box body 2, one end of chucking cover 41 has external screw thread 411, chucking cover 41 other ends have claw-shaped end 412 expansible or gathering, that have elastic-restoring force, inner sleeve 42 is contained in the endoporus 413 of this chucking cover 41, and lead can be located in after wiring units 5 picks out the inner sleeve 42, and connecting bushing 43 is socketed in outside the chucking cover 41, connecting bushing 43 has external screw thread, can realize being threaded with the external screw thread 411 of chucking cover 41.

Therefore, when connecting bushing 43 screwed with chucking cover 41 screw threads, the inner sleeve 42 that is arranged in the endoporus 413 will be drawn and be tightened to the claw-shaped end 412 of chucking cover 41 in, thereby inner sleeve 42 is together fixing with the lead that is located in the inner sleeve 42; When the screw thread between connecting bushing 43 and the chucking cover 41 unscrewed, the claw-shaped end 412 of chucking cover 41 can be opened under elastic-restoring force, and the fixed limit of inner sleeve 42 is removed.

As Fig. 3, Fig. 4 and shown in Figure 6, terminal box in the past all is that externally all sides are provided with buckle and draw-in groove because of box body and being connected of lid, can increase the volume of whole terminal box, nor it is attractive in appearance, in order to reduce overall volume, and make whole terminal box seem more succinct, on four angles of uncovered end face of box body 2, leave groove 21, have in each groove 21 and be " 7 " type fixture block 211 along the radially evagination of this groove 21, and lid 1 has the grab 11 with corresponding grooves 21 correspondences in the bottom, grab 11 has " L " type cross section, grab 11 can be contained in the corresponding grooves 21, and oppositely deduct with the fixture blocks 211 in the respective slot 21, thereby realize box body 2, being fastened and connected of lid 1.

Claims

1, a kind of quick connector of architecture advances includes

Lid is connected on the described box body;

2, the quick connector of architecture advances according to claim 1, it is characterized in that: described wiring units includes metal deck, pressing plate and elastic bearing seat, described elastic bearing seat is contained in the described Connection Block, described pressing plate is resisted against the upper surface of described elastic bearing seat, described metal deck is located at outside described pressing plate and the elastic bearing seat, and link to each other with described Connection Block, the pin of described bypass diode is plugged between the inwall of described pressing plate upper surface and metal deck.

3, the quick connector of architecture advances according to claim 2 is characterized in that: each described Connection Block also is provided with a pair of presser feet, and this presser feet is fastened on the top surface of the described metal deck in the ccontaining corresponding junction block.

4, according to the quick connector of claim 1,2 or 3 described architecture advances, it is characterized in that: described box body has groove on uncovered end face, have in this groove along the groove fixture block of evagination radially, described lid is provided with grab in bottom and the corresponding position of described groove, described grab can be contained in the corresponding grooves, and the fixture block in described grab and the respective slot oppositely deducts spacing and realizes being fastened and connected of described box body, lid.