CN206864731U - A kind of photovoltaic rectangular connector - Google Patents

Abstract

A kind of photovoltaic rectangular connector of the utility model, is made up of socket assembly, lock pin assembly and cage assembly, and socket assembly is made up of panel trip bolt, contact pin, O-ring seal and Socket casing, and contact pin is arranged in Socket casing；Lock pin assembly includes internal supporing shell, elastic plugging member, lock pin shell, line ball spring, spring lever, lock pin assembly one end is connected by line ball spring with wire, other end elasticity plugging member is realized with the contact pin of socket assembly and electrically connected, and is assembled between internal supporing shell and lock pin shell using Elastic buckle；Cage assembly is made up of main casing, spanner, lock-screw, square nut, end-face seal ring, seal ring at tail part and sealing nut, in rotary shaft on spanner installation main casing with lock screw, end-face seal ring is installed on the inside of Subjective and Objective end face, seal ring at tail part is arranged on main casing afterbody, and sealing nut extrudes the sealing that seal ring at tail part realizes afterbody in screwing operations.

Description

A kind of photovoltaic rectangular connector

Technical field

A kind of photovoltaic rectangular connector is the utility model is related to, belongs to field of industrial automatic control.

Background technology

There are many places to need interface, component, terminal box, inverter, header box etc. to be required for an equipment in power station Connector；According to statistics, because connector triggers the problem of associated to have：Contact resistance becomes big, connector heating, life-span contracting Short, joint is on fire, and connector blows, component power-off, terminal box failure, component electric leakage etc., can cause system can not normal operational, Product recall, circuit board damage, do over again and repair, can then cause master unit to lose, influence power station generating efficiency, most serious It is catching fire.

In addition, in photovoltaic industry, device and connector are all positioned over open air, sealing, uvioresistant for product Higher requirement is proposed with assembling；In existing photovoltaic connector, the shape of some uses sealant pouring and sealing after factory's end assembling Formula, some live end assemblings of use, but use the mode of the screw mode of connection and screw threads for fastening, wiring and assembled in situ efficiency Low, using mode connects for screw technology, it is necessary to using screwdriver, wiring efficiency is low for wiring, reduces the operating efficiency at scene, and these should The cost for making system with mode improves, and field erected operability is bad.

Therefore, it is necessary to which a kind of cost is low, good airproof performance and the connector for possessing excellent operability, to make up existing solution party The deficiency of case to prior art, it is necessary to be improved to solve the deficiency of prior art.

The content of the invention

The utility model is to provide a kind of photovoltaic rectangular connector to solve the above-mentioned problems of the prior art, is Meet the function of antiultraviolet, housing uses plastic material, installed between shell and socket by the way of rotary spanner and Fixed, the wiring of lock pin use tool-free spring interconnection technique, avoids the requirement of screw pair of connecting wires screw-down torque, wiring with Fixed form is simple and reliable, avoids site-assembled uncontrollability, while realizes the sealing function of seal interface, simple to operate Efficiently, easy to operation and wiring efficiency high and reliable.

There is technical scheme used by the utility model：

A kind of photovoltaic rectangular connector, it is made up of socket assembly, lock pin assembly and cage assembly, socket assembly is by contact pin, O Type sealing ring, Socket casing and panel trip bolt composition, described contact pin are arranged in Socket casing, and one end is flat pin Structure, the other end are cable cold end terminal structure, and described O-ring seal is embedded in the seal groove of Socket casing；Described inserts Core assembly includes internal supporing shell, elastic plugging member, lock pin shell, line ball spring, spring lever, and lock pin assembly one end leads to Over-pressed wire spring is connected with wire, and other end elasticity plugging member is realized with the contact pin of socket assembly and electrically connected, described inside branch Support and assembled between housing and lock pin shell using Elastic buckle；Described cage assembly is by main casing, spanner, lock-screw, side Nut, end-face seal ring, seal ring at tail part and sealing nut composition, there is the rotation on the spanner installation main casing of lock-screw On axle, install and fix by way of rotary spanner between cage assembly and socket assembly, end-face seal ring is installed on host and guest On the inside of body end face, seal ring at tail part is arranged on main casing afterbody, and sealing nut extrudes seal ring at tail part realization in screwing operations The sealing of afterbody.

Further, described socket assembly is made up of contact pin, O-ring seal, Socket casing and panel trip bolt, face Screwed hole in the installation panel of plate trip bolt and Socket casing coordinates, and Socket casing both sides set lock shaft, O-ring seal In the seal groove of embedded Socket casing；Some contact pins load in Socket casing hole, and contact pin one end is flat needle construction, with inserting The elastic plugging member of core assembly, which coordinates, realizes electrical contact, and the contact pin other end is cable cold end terminal structure, passes through wire pressing tool pressure Wiring cable realizes electrical connection.

Further, described lock pin assembly include internal supporing shell, elastic plugging member, lock pin shell, line ball spring, Spring lever, internal supporing shell include some groups of unit module working of plastics and formed, used after assembled between lock pin shell Snap-fitted, lock pin shell are semi-enclosed housing, the prefabricated double-legged elastic arm in top, and front end is the termination of Plug Division, outside lock pin The wall of shell four is distributed multigroup snap-fit grooves, and line ball spring is caught in internal supporing shell, and spring lever is also fixed on inside in the lump On the axostylus axostyle of supporing shell, elastic plugging member loads the Plug Division of lock pin shell, and electricity is realized with the flat contact pin on socket assembly Gas connects.

Further, described cage assembly is by main casing, spanner, lock-screw, square nut, end-face seal ring, afterbody Sealing ring and sealing nut composition, main casing are that one end is square, and the other end is the original shape cavity for being threaded fastening structure, its Square one end side wall sets spanner rotary shaft, and main casing end face near-end has some mounting holes, the lock of main casing upper end face configuration one Buckle is hooked, and a square nut mounting structure is additionally provided with lock snap fit, and square nut is embedded in mounting structure cavity；Described Spanner one end both sides have rotation wall, turning arm body hollow out, and middle part opens up rotation neck, and spanner is socketed in master by rotating neck In the rotary shaft of housing both sides, the spanner other end is in planar end surface, and hole clipping and lock-screw mounting hole, locking screw are offered on end face Round boss is arranged at nail mounting hole top, and lock-screw is embedded in lock-screw mounting hole, and seal ring at tail part is arranged on main casing tail Portion, end-face seal ring are arranged in the inboard wall groove of the other end of main casing, and it is close that sealing nut extrudes afterbody in screwing operations The sealing function of afterbody is realized in seal.

The utility model has the advantages that：

1. a kind of shell of photovoltaic rectangular connector of the technical program uses plastic casing, cage assembly and socket assembly it Between install and fix by the way of rotary spanner, while realize the sealing function of seal interface, it is simple to operate efficiently.

2. a kind of shell mechanism size of photovoltaic rectangular connector of the technical program is small, the mode of connection of lock pin assembly is adopted With tool-free spring interconnection technique, easy to operation and wiring efficiency high and reliable, the installation and wiring of socket assembly can be Factory end is completed, the step of avoiding assembled in situ optical cable and connector, improves the efficiency installed at the scene of optical cable, and The precision and uniformity of optical cable and connector.

3. a kind of photovoltaic rectangular connector of the technical program, the main casing afterbody circular hole size of cage assembly is sufficiently large, just Penetrated in the joints of optical fibre；Seal ring at tail part uses O-shaped structure, is easy to cable to penetrate installation.

Brief description of the drawings：

Fig. 1 is a kind of photovoltaic rectangular connector general assembly structural representation of the utility model；

Fig. 2 is a kind of photovoltaic rectangular connector socket general assembly structural representation of the utility model；

Fig. 3 is a kind of photovoltaic rectangular connector lock pin general assembly structural representation of the utility model；

Fig. 4 is a kind of photovoltaic rectangular connector cage assembly assembling structure schematic diagram of the utility model；

Fig. 5 is a kind of photovoltaic rectangular connector contact pin structure schematic diagram of the utility model；

Fig. 6 is a kind of photovoltaic rectangular connector socket assembly structure profile of the utility model；

Fig. 7 is a kind of photovoltaic rectangular connector Socket casing end structure illustration of the utility model；

Fig. 8 is a kind of photovoltaic rectangular connector lock pin shell mechanism schematic diagram of the utility model；

Fig. 9 is a kind of photovoltaic rectangular connector elasticity plugging member structural representation of the utility model；

Figure 10 is a kind of photovoltaic rectangular connector main shell structure schematic diagram of the utility model；

Figure 11 is a kind of photovoltaic rectangular connector end-face seal ring structural representation of the utility model；

Figure 12 is a kind of photovoltaic rectangular connector spanner structure schematic diagram of the utility model；

Figure 13 is a kind of photovoltaic rectangular connector square nut mounting structure profile of the utility model；

Figure 14 is a kind of photovoltaic rectangular connector lock-screw mounting hole profile of the utility model；

Reference：

1- sockets assembly, 2- lock pins assembly, 3- cage assemblies, 101- contact pins, 102-O shape sealing rings, 103- Socket casings, 104- panels trip bolt, 105- clamping structures, 106- cams, 107- lock shafts, 108- seal grooves, 201- inside supporting shell Body, 202- elasticity plugging member, 203- lock pins shell, 204- line balls spring, 205- springs lever, 206- elastic arms, 207- are led Electric arm, 208- elastic card claws, 301- main casings, 302- spanners, 303- lock-screws, 304- square nuts, 305- end-face seal rings, It is convex under 306- seal ring at tail part, 307- sealing nuts, 308- kidney-shapeds fixed ear, 309- rotary shafts, 310- locks snap fit, 311- Platform, 312- convex platforms, 313- annular protrusions.

Embodiment：

The utility model is further described below in conjunction with the accompanying drawings.

As shown in Figures 1 to 4, this rectangular connector is by socket assembly 1, lock pin assembly 2 and the three parts group of cage assembly 3 Into described socket assembly 1 is made up of contact pin 101, O-ring seal 102, Socket casing 103 and panel trip bolt 104, is inserted Seat shell body 103 is arranged on panel by panel trip bolt 104, and contact pin 101 is arranged on Socket casing 103, and one end is flat Flat needle construction, the other end are cable cold end terminal structure, and O-ring seal 102 is embedded in the seal groove 108 of Socket casing 103； Described lock pin assembly 2 includes internal supporing shell 201, elastic plugging member 202, lock pin shell 203, line ball spring 204, spring Lever 205, lock pin assembly one end are connected by line ball spring 204 with wire, other end elasticity plugging member 202 and socket assembly 1 contact pin 101 realizes electrical connection, is assembled between described inside supporing shell 201 and lock pin shell 203 using Elastic buckle； Described cage assembly 3 is close by main casing 301, spanner 302, lock-screw 303, square nut 304, end-face seal ring 305, afterbody Seal 306 and sealing nut 307 form, and have the rotary shaft 309 on the installation main casing 301 of spanner 302 of lock-screw 303 On, end-face seal ring 305 is installed on the inside of the end face of Subjective and Objective 301, and seal ring at tail part 305 is arranged on the afterbody of main casing 301, main casing The afterbody of body 301 has screw thread, coordinates with sealing nut 307, and it is real that sealing nut 307 extrudes seal ring at tail part 306 in screwing operations The sealing of existing afterbody, is moved down by spanner 302 and compresses end-face seal ring 305, realizes socket assembly 1 and cage assembly 3 Sealing；Spanner 302 is locked and opened after lock-screw 303 is locked and unlocked, and prevents maloperation.

As shown in Fig. 2, Fig. 5, the panel trip bolt 104 of described socket assembly 1 and the installation panel of Socket casing 103 On screwed hole coordinate, the both sides of Socket casing 103 set lock shaft 107, O-ring seal 102 be embedded in Socket casing 103 sealing Groove 108；Some contact pins 101 load in the hole of Socket casing 103, and described one end of contact pin 101 is flat needle construction, with lock pin The elastic plugging member 202 of assembly 2, which coordinates, realizes electrical contact, and the other end of contact pin 101 is cable cold end terminal structure, passes through line ball work Tool crimping cable realizes electrical connection；In addition, the center section of contact pin 101 sets the clamping structure 105 protruded to both sides, and in pin There is a cam 106 on body end face top.

Further, as shown in Figure 6, Figure 7, have on the described side end face of Socket casing 103 1 and the phase of O-ring seal 102 The seal groove 108 of matching, in order to realize the validity of sealing, it is convex to be also configured with ring packing in the surrounding positioned at seal groove 108 Edge, realize bigger pressure with by strong air-tightness.

Further, as shown in Fig. 3 combinations Fig. 8, the inside supporing shell 201 of described lock pin assembly 2 includes some groups Unit module working of plastics is formed, and uses snap-fitted after assembled between lock pin shell 203, tool-free that installation can be achieved and tear open Unload；Lock pin shell 203 is semi-enclosed housing, the prefabricated double-legged elastic arm 206 in top, and front end is the termination of Plug Division, outside lock pin The wall portion of shell 203 4 is distributed multigroup snap-fit grooves, and line ball spring 204 is caught in the internal fixing groove of supporing shell 201, spring lever 205 are also fixed on the rotary shaft of internal supporing shell 201 in the lump, and elastic plugging member 202 loads patching for lock pin shell 203 Flat contact pin 101 in portion, with socket assembly 1 realizes electrical connection.

Further, as shown in figure 9, the mode of connection of described lock pin assembly 2 uses tool-free spring interconnection technique, Easy to operation and wiring efficiency high, described one end of elastic plugging member 202 are the spring wiring construction of standard, spring terminal portions It is divided to and is made up of two conductive arms being bent upwards along body 207, the body tip being connected with conductive arm 207 has a bending end Head, conductive arm 207 coordinates with line ball spring 204 realizes electrical connection by the cable outside equipment；Other end connects for elasticity plug Contravention, it is made up of body to two groups of horizontal-extending elastic card claws 208, and the end of elastic card claw 208 is openning shape.

Further, as shown in Fig. 4 combinations Figure 10, described cage assembly 3 is by main casing 301, spanner 302, locking screw Nail 303, square nut 304, end-face seal ring 305, seal ring at tail part 306 and sealing nut 307 form, described main casing 301 One end is square, and the other end is the original shape cavity for being threaded fastening structure, and its square one end side wall sets spanner rotary shaft 309, tool end face near-end has some mounting holes, the lock snap fit 310 of the upper end face of main casing 301 configuration one, close to lock snap fit 310 Place is additionally provided with a mounting structure of square nut 304, and square nut 304 is embedded in mounting structure cavity；Described one end two of spanner 302 Side has rotation wall, turning arm body hollow out, and middle part opens up rotation neck, and spanner 302 is socketed in main casing 301 by rotating neck In the rotary shaft 309 of both sides, rotary shaft 309 of the spanner 302 on main casing 301 rotates, realize with the fixation of socket assembly 1 and Disassembling function；The other end of spanner 302 is in planar end surface, and hole clipping and the mounting hole of lock-screw 303, lock-screw are offered on end face Round boss is arranged at 303 mounting hole tops, and lock-screw 303 is embedded in the mounting hole of lock-screw 303, is rotated in place in spanner 302 When, the square nut 304 on lock-screw 303 and Subjective and Objective 301, which coordinates, to be realized and fixes, and is prevented artificial maloperation and is unlocked；It is described Seal ring at tail part 306 be arranged on the afterbody of main casing 301, end-face seal ring 305 is arranged on the inwall of the other end of main casing 301 In groove, sealing nut 307 extrudes the sealing that seal ring at tail part 306 realizes afterbody in screwing operations.

Further, as shown in figure 11, the end-face seal ring 305 is square box structure, and waist is set in the middle part of frame arm surrounding Shape fixed ear 308, it is embedded in the mounting hole that main casing 301 matches during installation, is easy to positioning to fix.

Further, as shown in figure 12, the described one end both sides of spanner 302 have rotation wall, turning arm body hollow out, middle part Rotation neck is opened up, spanner 302 is socketed in the rotary shaft 309 of the both sides of main casing 301 by rotating neck, and spanner is rotated down Locked after in place with the lock snap fit 310 on main casing 301.

Further, as shown in figure 13, a square nut mounting structure, square nut 304 are provided with lock snap fit 310 In embedded mounting structure cavity；Mounting structure cavity top also sets up a lower convex platform 311, prevents square nut 304 from coming off.

Further, as shown in figure 14, the planar end surface of described spanner 302, hole clipping and lock-screw are offered on end face Circular convex platform 312 is arranged at 303 mounting holes, the mounting hole top of lock-screw 303, also has one positioned at the exit inwall of convex platform 312 Annular protrusion 313, lock-screw 303 are pressed into the mounting hole of lock-screw 303, prevent lock-screw 303 from coming off.

Further, described seal ring at tail part 306 is O-ring seal, and be nested the afterbody of main casing 301 and sealing nut Between 307, it is easy to cable to penetrate, sealing nut 307 is tightened so that seal ring at tail part 306 deforms realization and cable and main casing Sealing between 301, need first to turn on sealing nut 307 during dismounting, then gradually dismantle each part.

Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art For art personnel, some improvement can also be made on the premise of the utility model principle is not departed from, these improvement also should be regarded as The scope of protection of the utility model.

Claims (10)

1. a kind of photovoltaic rectangular connector, being made up of socket assembly 1, lock pin assembly 2 and the three parts of cage assembly 3, described inserts Seat assembly 1 is made up of contact pin 101, O-ring seal 102, Socket casing 103 and panel trip bolt 104, and Socket casing 103 is logical Panel trip bolt 104 is crossed on panel, contact pin 101 is arranged on Socket casing 103, and one end is flat needle construction, The other end is cable cold end terminal structure, and O-ring seal 102 is embedded in the seal groove 108 of Socket casing 103；Described lock pin Assembly 2 includes internal supporing shell 201, elastic plugging member 202, lock pin shell 203, line ball spring 204, spring lever 205, Lock pin assembly one end is connected by line ball spring 204 with wire, the contact pin 101 of other end elasticity plugging member 202 and socket assembly 1 Electrical connection is realized, is assembled between described inside supporing shell 201 and lock pin shell 203 using Elastic buckle；Described shell Assembly 3 is by main casing 301, spanner 302, lock-screw 303, square nut 304, end-face seal ring 305, the and of seal ring at tail part 306 Sealing nut 307 is formed, and the spanner 302 with lock-screw 303 is installed in the rotary shaft 309 on main casing 301, end face seal Circle 305 is installed on the inside of the end face of Subjective and Objective 301, and seal ring at tail part 305 is arranged on the afterbody of main casing 301, and the afterbody of main casing 301 has Screw thread, coordinate with sealing nut 307, sealing nut 307 extrudes seal ring at tail part 306 in screwing operations and realizes the close of afterbody Envelope, moved down by spanner 302 and compress end-face seal ring 305, realize the sealing of socket assembly 1 and cage assembly 3；Locking screw Spanner 302 is locked and opened after the locking of nail 303 and unblock.

A kind of 2. photovoltaic rectangular connector as claimed in claim 1, it is characterised in that：The panel of described socket assembly 1 is tight Gu screw 104 coordinates with the screwed hole in the installation panel of Socket casing 103, the both sides of Socket casing 103 set lock shaft 107, O Type sealing ring 102 is embedded in the seal groove 108 of Socket casing 103；Some contact pins 101 load in the hole of Socket casing 103, described The one end of contact pin 101 is flat needle construction, coordinates with the elastic plugging member 202 of lock pin assembly 2 and realizes electrical contact, and contact pin 101 is another One end is cable cold end terminal structure, and crimping cable by wire pressing tool realizes electrical connection；In addition, the pars intermedia of contact pin 101 sets up separately The clamping structure 105 protruded to both sides is put, and also has a cam 106 on needle body end face top.

A kind of 3. photovoltaic rectangular connector as claimed in claim 2, it is characterised in that：The described side of Socket casing 103 1 There is the seal groove 108 to match with O-ring seal 102 on face, in order to realize the validity of sealing, positioned at seal groove 108 Surrounding is also configured with ring packing convex edge.

A kind of 4. photovoltaic rectangular connector as claimed in claim 1, it is characterised in that：The inside branch of described lock pin assembly 2 Supportting housing 201 includes some groups of unit module working of plastics compositions, and snap-fitted is used between lock pin shell 203 after assembled, is exempted from Installation and removal can be achieved in instrument；Lock pin shell 203 is semi-enclosed housing, and the prefabricated double-legged elastic arm 206 in top, front end is The termination of Plug Division, the wall portion of lock pin shell 203 4 are distributed multigroup snap-fit grooves, and line ball spring 204 is caught in internal supporing shell 201 In fixing groove, spring lever 205 is also fixed on the rotary shaft of internal supporing shell 201 in the lump, and elastic plugging member 202 fills Enter the Plug Division of lock pin shell 203, realize and be electrically connected with the flat contact pin 101 on socket assembly 1.

A kind of 5. photovoltaic rectangular connector as claimed in claim 4, it is characterised in that：The wiring side of described lock pin assembly 2 Formula uses tool-free spring interconnection technique, and described one end of elastic plugging member 202 is the spring wiring construction of standard, and spring connects Line end part is made up of two conductive arms being bent upwards along body 207, and the body tip being connected with conductive arm 207 has a folding Bent-up end head, conductive arm 207 coordinates with line ball spring 204 realizes electrical connection by the cable outside equipment；Other end is inserted for elasticity Contact jaw is pulled out, it is made up of body to two groups of horizontal-extending elastic card claws 208, and the end of elastic card claw 208 is openning shape.

A kind of 6. photovoltaic rectangular connector as claimed in claim 1, it is characterised in that：Described one end of main casing 301 is side Shape, the other end are the original shape cavity for being threaded fastening structure, and its square one end side wall sets spanner rotary shaft 309, has end face Near-end has some mounting holes, the lock snap fit 310 of the upper end face of main casing 301 configuration one, one is additionally provided with lock snap fit 310 The individual mounting structure of square nut 304, square nut 304 are embedded in mounting structure cavity；The described one end both sides of spanner 302 have rotation Wall, turning arm body hollow out, middle part open up rotation neck, and spanner 302 is socketed in the rotation of the both sides of main casing 301 by rotating neck On axle 309, rotary shaft 309 of the spanner 302 on main casing 301 rotates, and realizes the fixation with socket assembly 1 and disassembling function； The other end of spanner 302 is in planar end surface, offers hole clipping and the mounting hole of lock-screw 303 on end face, on the mounting hole of lock-screw 303 There is round boss in portion, and lock-screw 303 is embedded in the mounting hole of lock-screw 303, when spanner 302 is rotated in place, lock-screw 303 and Subjective and Objective 301 on square nut 304 coordinate realize fix；Described seal ring at tail part 306 is arranged on the tail of main casing 301 Portion, end-face seal ring 305 are arranged in the inboard wall groove of the other end of main casing 301, and sealing nut 307 squeezes in screwing operations Pressure seal ring at tail part 306 realizes the sealing of afterbody.

A kind of 7. photovoltaic rectangular connector as claimed in claim 1, it is characterised in that：The end-face seal ring 305 is square Mount structure, sets kidney-shaped fixed ear 308 in the middle part of frame arm surrounding, is embedded in the mounting hole that main casing 301 matches during installation, it is fixed to be easy to Position is fixed.

A kind of 8. photovoltaic rectangular connector as claimed in claim 1, it is characterised in that：The described one end both sides of spanner 302 tool There are rotation wall, turning arm body hollow out, middle part opens up rotation neck, and spanner 302 is socketed in the both sides of main casing 301 by rotating neck Rotary shaft 309 on, spanner is rotated downwardly into position to be locked with the lock snap fit 310 on main casing 301 afterwards.

A kind of 9. photovoltaic rectangular connector as claimed in claim 6, it is characterised in that：One is provided with lock snap fit 310 Individual square nut mounting structure, square nut 304 are embedded in mounting structure cavity；Mounting structure cavity top also sets up a lower convex platform 311。

A kind of 10. photovoltaic rectangular connector as claimed in claim 1, it is characterised in that：The planar end surface of described spanner 302, Hole clipping and the mounting hole of lock-screw 303 are offered on end face, there is circular convex platform 312 on the mounting hole top of lock-screw 303, is located at The exit inwall of convex platform 312 also has an annular protrusion 313, and lock-screw 303 is pressed into the mounting hole of lock-screw 303, prevented Lock-screw 303 comes off.