Quick connector
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.Also have a kind ofly as Chinese patent application number 99236738.7 disclosed " quick connectors " now, it is become by button, box body, packing ring, base plate, depression bar, tapping screw and compression spring set, and packing ring and box body inner chamber are press-fitted and are integral; Depression bar is made of bronze, and its projection section is the lead riser that clamps insertion by the compression spring action, clamps lead riser and is handled by the button that connects the depression bar upper end; The depression bar lower end links to each other with connected lead.It is applicable to that the various household electrical appliance electrical properties of follow-on test detect on the production line, only need press the button, and the connector of lead-in wire and different shape can insert fast, clamps by spring force.When unloading line, one draw can and needn't control button, the end of a thread or connector can not break in terminal box, thereby easy to use.Yet its shortcoming is owing to lead is to be connected by the depression bar lower end, so be not suitable for two lead riser wiring requirements that tightly draw close and that can arbitrarily exchange the electric appliance component of lead riser each other in the common use occasion; Secondly, it is to finish by control button that connector inserts fast and line is unloaded in drawing, and control button that exposes and drawing action lack strict security reliability, and it especially is unwell to requirement lead riser contact fixedly connected terminal box reliably.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, 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, use in practice and show, it can also do further improvement, be connected and fixed firm stable not enough between the patchhole as the insert head of plug-assembly and conducting strip, in addition, the terminal pin of diode is connected with the contact of elastic circlip also to be needed to strengthen, and reduces the phenomenon of loose contact.
Summary of the invention
Technical problem to be solved in the utility model is just in order to overcome above-mentioned weak point of the prior art, a kind of further improved quick connector is provided, be connected firm stable more between the insert head that it makes plug-assembly and the patchhole of conducting strip, be not easy loose or dislocation, improved the reliability of contact conduction.
It is by providing a kind of quick connector with following structure to realize that the utility model solves the above-mentioned technical scheme that technical problem adopted, a kind of quick connector, by the junction block of box body and interior dress thereof, device has conducting strip, is connected with conducting strip in junction block terminal, wherein have: its bottom that described box body is made by engineering plastics has two fixed guides that are parallel to each other; 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 junction block that elastic fastening hook is connected with fixed guide in its both sides; One side of described box body is set with at least two terminals, and described terminal connects the line trap assembly of a detachable; Described junction block make by engineering plastics and by left and right two semi-involutions, with a plurality of bearing pins pin-and-hole with matching continuous forming of pegging graft mutually; The pedestal of described junction block two semi-involutions is provided with caulking groove, fixedly embedded conducting strip in the described caulking groove; Described box body top is provided with the lid that an end face seal cooperates, and couples together by socket connection or screw; It is characterized in that: the front portion of conducting strip is crimped with holder, and holder has the jack that the insert head for the line trap assembly inserts, and the holder top holding screw that has been threaded.
Described conducting strip rear portion has " Ц " font section, the an amount of shell fragment that extends of length its interior recess fixedly connected " σ " font and its free end, a vertical edges of the shell fragment of described " σ " font abuts on " Ц " font medial surface of described conducting strip tightly, the free end top of the extension of the shell fragment of described " σ " font is provided with a rectangular opening, and the front end cutting ferrule of described rectangular opening also is fixed on the outer vertical edges of described " Ц " font conducting strip.Like this, insert when a wedge tool between the box body wall of shell fragment and vicinity, the evagination side of described " σ " font shell fragment promptly is subjected to lateral thrust F, then rectangular opening promptly moves to the direction of lateral thrust F on the free end of described shell fragment, at this moment, described rectangular opening is exposed to the outside of the vertical edges of described shell fragment, at this moment, connected lead can insert in the rectangular opening that exposes; When described wedge tool withdraws from, when described " σ " font shell fragment resets connected lead is clamped in tightly between the medial surface of the vertical edges of described shell fragment and rectangular opening.
The middle part of the free end development length of " Ц " font of described conducting strip is provided with two jacks, card base has been worn in the jack inboard, inserts one in described two jacks and has with the jack of described and two jack fit dimensions and have the elasticity plate of two elastic circlips; The elasticity of the then parallel insertion of the lead of described polarized lense pipe this and adjacent junction block conducting strip inserts in the hole.
Described junction block molds another caulking groove below jack, be inlaid with the elastic card that is " recessed " shape in the caulking groove, the inboard of card is shaped on card base respectively and cooperates with jump ring, the terminal pin that it can improve diode contacts strength between jump ring and card base, the accident that reduces loose contact takes place.
The one elasticity patchhole that is used to insert the elasticity insert head of connected line trap assembly is set on the free end development length front end of " Ц " font of described conducting strip.
One side of described box body fixedly installs the collar that a lifting rope rope is used, and the lifting rope rope hanging sleeve of plastics is in the collar of the described collar and lid.Described lid is to be pegged graft mutually by the elasticity jaw of four overhanging disjunctors of its counterface and the end face elasticity jaw hole of described box body that cooperating links to each other forms; The counterface of described lid is provided with and the be sealed and matched elastic seal ring of usefulness of described box body.Also can be that the compound of lid and box body is to be formed by connecting with screw by the through hole on screw hole and the lid.
Described holder is crushed between conducting strip front end and the plastics fixed block, and the plastics fixed block is molded directly within on the bottom of box body, and plastics fixed block both sides have the card division blocks holder, to improve the installation firmness of holder.
It is earlier with one arbitrarily between wedge tool insertion shell fragment and the inboard wall of cartridge face that the utility model carries out quick electric wire connection method, this moment spring free end on rectangular opening to exposing outside, connected lead can insert in the rectangular opening that exposes, wedge tool withdraws from then, because the elastic force of shell fragment is clamped in connected lead between the medial surface of the vertical edges of shell fragment and rectangular opening tightly; Secondly, an end insert head of line trap assembly is inserted inserting in the hole of conducting strip, the patchhole of the other end of line trap assembly inserts connected lead, and formation can be decomposed the formula of removing stage makeup and costume and connected like this, makes lead connection, the work of removing stage makeup and costume simple and convenient.
The insert head of line trap assembly and the patchhole of the conducting strip in the junction block reach the installation requirement of coaxial arrangement by the position of regulating the junction block that can slide along fixed guide.
Compared with prior art, advantage of the present utility model is: 1. owing to adopted holder to cooperate with holding screw, be connected firm stable more between the insert head that makes plug-assembly and the patchhole of conducting strip, be not easy loose or dislocation, improved the reliability of contact conduction; 2. adopted the elastic card of new " recessed ", its card base cooperates with jump ring, and the terminal pin that improves diode greatly contacts strength between jump ring and card base, and the accident that reduces loose contact takes place; 3. compact conformation, combination and easy accessibility, method of operation are simple and direct, safe, reliable.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the A-A profile of Fig. 1;
Fig. 3 is a conducting strip structure schematic diagram of the present utility model;
Fig. 4 is the partial top view of Fig. 3;
Fig. 5 is conducting strip of the present utility model and " σ " font shell fragment combining structure schematic diagram;
Fig. 6 is " σ " of the present utility model font spring structure schematic diagram;
Fig. 7 is the partial top view of Fig. 6;
Fig. 8 is an elastic circlip structural representation of the present utility model;
Fig. 9 is the partial top view of Fig. 8;
Figure 10 is the cutaway view of holder;
Figure 11 is the vertical view of holder;
Figure 12 is the cutaway view of elastic card;
Figure 13 is the vertical view of elastic card;
Figure 14 is the cutaway view of junction block;
Figure 15 is the outside drawing of quick connector.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Fig. 1 to Fig. 9 shows an execution mode of the present utility model.The utility model quick connector comprises that its bottom has two fixed guides that are parallel to each other 11,12, box body 1 by the engineering plastics making, at described fixed guide 11,12 are provided with at least two junction blocks that are parallel to each other 2, left side at junction block 2, the lower right has sliding tray 21,22, and the elastic fastening hook 23 by its both sides, 24 can be along its described fixed guide 11, slide on 12, as Fig. 1, shown in 2, side at described box body 1 is set with at least two terminals 5, described terminal 5 connects the line trap assembly of a detachable, the structure of relevant line trap assembly can be described with reference to traditional background technology, described junction block 2 is also made by engineering plastics, by a left side, right bearing pin 14 pin-and-holes with matching two semi-involutions and that a plurality of disjunctors are arranged are pegged graft mutually to link to each other and are formed, and the housing two halves respectively are provided with the sealing plane to share in the end face matched edges.
Be provided with the caulking groove 25 of " Ц " font in the pedestal of 2 liang of semi-involutions of described junction block, a fixedly embedded rear portion is the conducting strip 3 of " Ц " font in the caulking groove 25 of described " Ц " font, the an amount of shell fragment 4 that extends of length recess fixedly connected " σ " font and its free end in described conducting strip 3 " Ц " font, a vertical edges 41 of the shell fragment 4 of described " σ " font abuts on " Ц " font medial surface of described conducting strip 3, as shown in Figure 2 tightly; The free end top of the extension of the shell fragment 4 of described " σ " font is provided with a rectangular opening 42, and shown in Fig. 2,7, the front end cutting ferrule of the rectangular opening 42 of described shell fragment 4 also is fixed on the outer vertical edges of described " Ц " font conducting strip 3, as Fig. 2.Its effect is to insert between the box body wall of shell fragment and vicinity when a wedge tool, the evagination side 43 of described " σ " font shell fragment 4 promptly is subjected to lateral thrust F, rectangular opening 42 promptly moves to the direction of lateral thrust F on the free end of then described shell fragment 4, at this moment, described rectangular opening 42 is exposed to the outside of the vertical edges of described shell fragment 4, connected lead can insert in the rectangular opening 42 that exposes; When described wedge tool withdraws from, when described " σ " font shell fragment 4 resets connected lead is clamped in tightly between the medial surface of the vertical edges of described shell fragment 4 and rectangular opening 42, as shown in Figure 2.
The middle part of the free end development length of " Ц " font of described conducting strip 3 is provided with two rectangle jacks 32,33, jack 32,33 sides have two card bases 34,35, see Fig. 2,3,4, described two rectangle jacks 32, inserting one in 33 has and described and rectangle jacks 83 two rectangle jack fit dimensions, 84 and have an elasticity plate 8 of two elastic circlips 82, elasticity plate 8 also can have button limit 81, elastic circlip 82 cooperates with card base 83, be used to insert a terminal pin of connected crystal diode 40, as Fig. 2,8, shown in 9, it is used to insert a terminal pin of connected crystal diode 40, the inserting in the hole of the conducting strip 3 of the junction block that the then parallel insertion of another terminal pin of described crystal diode is adjacent.For the terminal pin that can improve diode in the strength that contacts between elastic circlip and the card base, the accident that reduces loose contact takes place, described junction block 2 molds another caulking groove 26 below jack, be inlaid with the elastic card 9 that is " recessed " shape in the caulking groove 26, see Figure 12,13, the inboard of card 9 is shaped on card base 91 respectively and cooperates with jump ring 82, sees Fig. 2,14, their only a little a bit differences of card base moulding.
Front end is provided with a patchhole 31 on the free end development length of " Ц " font of described conducting strip 3, as Fig. 1, shown in 2, it is used to insert the insert head of connected line trap assembly, and the front portion of conducting strip 3 also is crimped with holder 6, fixed seat structure is seen Figure 10,11, holder 6 has the jack that the insert head for the line trap assembly inserts, and the holder 6 tops holding screw 7 that has been threaded, like this, by can further the unblank elasticity insert head of plug-assembly of holding screw and holder, make connection more firm, be not easy loose or dislocation, holder 6 is crushed between conducting strip 3 front ends and the plastics fixed block, and the plastics fixed block is molded directly within on the bottom of box body 1, plastics fixed block both sides have card division 10 blocks holder 6, sees Fig. 2.
One side of described box body 1 fixedly installs the collar 16 that a lifting rope rope is used, one plastic rope, 17 hanging sleeves are in the collar 191 of the described box body collar 16 and lid 19, described lid 19 is that the elasticity jaw of being made by engineering plastics and have at four overhanging disjunctors of counterface 192 cooperates with end face elasticity jaw hole 15 mutual the pegging graft of described box body 1, the counterface of described lid 19 is provided with the elastic seal ring of using with described box body fitted seal 194, as shown in Figure 1.Can certainly be that lid 19 is to be formed by connecting with screw by the through hole on screw hole and the described lid with the compound of described box body 1.
The utility model quick connector is performed such the lead connection: at first, insert between shell fragment and the inboard wall of cartridge face with the wedge tool of screwdriver and so on, this moment shell fragment free end on rectangular opening to exposing outside, connected lead can insert in the rectangular opening that exposes, wedge tool withdraws from then, because the elastic force of shell fragment is clamped in connected lead between the medial surface of the vertical edges of shell fragment and rectangular opening tightly.Secondly, an end insert head of line trap assembly is inserted inserting in the hole of conducting strip, the patchhole of the other end of line trap assembly inserts connected lead, and formation can be decomposed the formula of removing stage makeup and costume and connected like this, makes the lead work that connects, removes stage makeup and costume make things convenient for simply again.
The patchhole of line trap assembly and the patchhole of the conducting strip in the junction block reach the installation requirement of coaxial arrangement by the position of regulating the junction block that can slide along fixed guide; Simultaneously, when the parts such as conducting strip of junction block break down, can decompose lead and connect, the junction block that breaks down is moved outside guide rail and extracts from guide rail, can change spare part easily or fix a breakdown maintenance.