CN207743543U - A kind of photovoltaic cable MC4 joint disassemblies pincers - Google Patents

Abstract

The utility model discloses a kind of photovoltaic cable MC4 joint disassemblies pincers, including binding clip and clamp handle two parts：Binding clip is made of binding clip shell, hold-down mechanism, longitudinal moving mechanism, cross slide way, five part of separating mechanism；Clamp handle has wire stripping mouth, limit journey regulating device and PVC handles；It is connected with bearing spring by centre bearing pin between two clamp handles, is connected by arc pull rod between clamp handle and the longitudinal moving mechanism of binding clip.The advantageous effect of MC4 joint disassemblies pincers described in the utility model is：The convenience of MC4 joint disassemblies is enhanced, the separation of pin and box sub can be realized in primary grasping, not only time saving and energy saving, but also effectively reduces the intensity fatigue of joint material；Structure is relatively easy, easy to use, while having the wire-stripping function for common-size cable, is conducive to effective application of live complex environment, is suitble to large-scale promotion.

Description

A kind of photovoltaic cable MC4 joint disassemblies pincers

Technical field

The utility model is related to a kind of dismounting pliers more particularly to a kind of dismantling tongs for photovoltaic cable MC4 connectors, belong to In photovoltaic apparatus handling technique field.

Background technology

In recent years, China's photovoltaic industry is grown rapidly, and installed capacity is significantly increased.Over time, photovoltaic industry It certainly will progress into ensure the steady Effec-tive Function in power station as main target, be safeguarded as main work with photovoltaic plant day-to-day operation The rear photovoltaic epoch made.It goes into operation at this stage the photovoltaic plant of operation, in its DC side（Including between component and component, component arrives Direct current conflux case, component or direct current conflux case are to inverter）It is mainly attached by the direct current cable of 1kV-1*4mm, line Cable both ends are generally attached by the dedicated MC4 modular connections of photovoltaic cable, and the mainstream header box on photovoltaic market and inversion Device port also widely used MC4 joint connection manners, though therefore different manufacturers or the MC4 connectors of different model may have in appearance Nuance, but size is substantially the same.In addition MC4 connectors easily grafting occupation mode so that MC4 connectors have become The actual specification and standard of photovoltaic market, so that the direct current cable connector of photovoltaic plant mostly uses greatly MC4 joint styles at this stage. By in October, 2016, Chinese photovoltaic adds up installed capacity about 95GW, the whole world first is occupied, with about 4200 sets of photovoltaics of 1MW dosages Cable MC4 connectors calculate, and at least 3.9 hundred million sets MC4 connectors are mounted at present for China.

The daily maintenance work of photovoltaic plant, is broadly divided into two parts：Detection and maintenance.The detection work master of photovoltaic plant Detection is split including hidden（IE）, I-V tests, Power Quality Detection, inverter efficiency detection, hot spot detection（ER）, ground resistance The continuous items such as detection, grounded continuous detection；The maintenance work of photovoltaic plant includes mainly component cleaning, device maintenance, device The continuous items such as repair, device replacement.When carrying out above-mentioned various detections and maintenance work, often need to disconnect adjacent component, component With the connection of string formation leading-out terminal, string formation output end and direct current conflux case or inverter etc., i.e., by the MC4 of above-mentioned inserting state everywhere The pin end of connector is detached with female connector, to disconnect.

Fig. 1 is the MC4 joint structures under common connection status.In figure, 101A and 101B are connector both ends connecting line, 102A and 102B is the rear turncap that connector both ends are spirally connected, and 103A and 103B are street corner both ends screw thread, and 104 be female connector main body knot Structure, 105 be the metal terminal of cooperation, and 106 be snap-in groove, and 107 buckle for pin end, and 108 be female connector rear end, and 109 be mother Connector buckles jack, and 110 be pin end.Metal terminal inside connector under connection status, pin end and female connector 105 close connections, stiction is big, and since pin end buckle 107 itself is paid outward, therefore is clamped on mother on the outside of buckling and connects The outside of head buckle jack 109, to ensure that buckle will not loosen automatically in the case of not by ambient pressure.So be intended to by MC4 joint disassemblies under connection status are independent pin end and female connector, need first to press pin end buckle 107, make buckle 107 outsides are detached with female connector buckle jack 109, then apply reversal interlocking relay to pin end and female connector simultaneously, are drawn when reversed When power is more than the stiction between male and female connector, pin end and female connector counter motion, buckle 107 is from buckle jack 109 It is pulled out, and then two metal terminals are pulled out and detach, the dismounting of MC4 terminals is realized in final male and female connector separation.

But during above-mentioned joint disassembly, need while pressing buckle 107, force pulls out pin end outward. When practical operation, there are following difficulties：1, since joint dimension limits（Snap-in groove width 10mm or so, the general 15- of finger 20mm）, when operating personnel directly press the buckle of pin end with hand, it tends to be difficult to accurately exert a force to the buckle in groove, work as people Member is more difficult to carry out effective disassembling section when wearing gloves；2, when MC4 connectors are in connection status, even if pressing buckle, pin end Stiction between female connector is still very big, and with the hands directly pulling open two connectors needs very big pulling force, it is more difficult to realize；3, photovoltaic Power station site environment is complicated, and MC4 connectors and its connection cables are usually banded on photovoltaic bracket or positioned at component and color steel tile room In small gaps between face, the usual narrow space in place of dismounting MC4 connectors is resulted in the need for, is more difficult to conveniently real Existing disassembling section.

Existing MC4 joint disassemblies device in the market, majority are all the stationary installations of spanner shape, and both hands is needed to use, Buckle ejector pin it is smaller, it is more difficult to Accurate align buckle, and press buckle after still need to both hands reversely firmly pull open male and female connector, use It is inconvenient.

Invention content

A kind of in order to solve the above problems, the utility model proposes photovoltaic cable MC4 joint disassemblies pincers, can realize buckle Automatic pressing and male and female connector are automatically separated, structure and easy to operate, while having the wire stripping work(for common-size cable Can, convenient for the large-scale promotion application under site environment.

To achieve the goals above, the technical solution adopted in the utility model is as follows：

Photovoltaic cable MC4 joint disassemblies pincers described in the utility model include two binding clips and two clamp handles：

The binding clip of dismantling tong described in the utility model is mainly led by binding clip shell, hold-down mechanism, longitudinal moving mechanism, transverse direction Rail, five part of separating mechanism are constituted.Binding clip shell shape is irregular, and left side Basolateral has chamfering, forms buckle and presses pressure arm, Its two card slot of middle part forms groove structure, and for placing hold-down mechanism and holddown spring, the symmetrical card slot in middle part right side forms vertical To mobile card slot, for placing longitudinal moving mechanism and longitudinal ball, the symmetrical card slot in right side forms guide rail groove, for placing Cross slide way and guide rail spring；Buckle is an integral structure by pressure arm with binding clip shell and its corresponding clamp handle, is located at binding clip most Outside, arm front end is sharp, can buckle effectively force to pin end in the limited snap-in groove of size and press buckle；Compacting machine Structure is located in the groove in the middle part of binding clip, and the holddown spring being arranged symmetrically by 4 between binding clip shell is connect, in spring pressure Lower pressing female connector back end outer surface simultaneously compresses it fixation, prevents connector from rotating, and is ready for dismounting；Longitudinal moving mechanism Rear end by can sliding rail moves up and down along longitudinal direction traction sliding block be connected with arc pull rod, middle front part with smooth bevel structure, Upper and lower both sides featheredge is mounted in longitudinal movement card slot, and a row longitudinal direction ball is laid between lower end and card slot bottom, its into Reduce the kinetic force of friction with card slot bottom when row longitudinal movement；Guide rail is placed in the guide rail groove on the right side of binding clip shell, top The guide rail spring being arranged symmetrically by 2 is laid row's guide rail ball in interior grooves and is mutually clamped with separating mechanism；Point Structure top of disembarking is connected on guide rail, and middle part has smooth bevel structure, and lower left side has chamfering, to public access under rail pressure Head applies longitudinal pressure, and smooth bevel structure is contacted with the mutual cooperation of the ramp structure of longitudinal moving mechanism, constitutes movement side To switching mechanism, when longitudinal moving mechanism is moved forward and backward, under the mutual pressure effect in two inclined-planes, separating mechanism carries out left It moves right, to push pin end to move right.

By arc between the longitudinal moving mechanism and clamp handle of photovoltaic cable MC4 joint disassemblies pincers binding clip described in the utility model Drag link mechanism connects, since the effective torque of arc pull rod fulcrum pin hole to two pin holes is different, in clamp handle merging process, and pull rod Longitudinal moving mechanism is driven to realize longitudinal movement.

The working method of photovoltaic cable MC4 joint disassemblies pincers described in the utility model is as follows：By waiting in connection status Dismounting MC4 connectors are placed in suitable position, by the buckle pressing arm section alignment connector buckle of dismantling tong binding clip, at this time due to bearing The presence of spring, clamp handle and binding clip are in open configuration；It holds clamp handle and applies grip, clamp handle and binding clip are slowly closed, pressure Tight mechanism contacts female connector rear end first, then end in contact pin end under mobile mechanism, continues to exert a force to clamp handle at this time, compresses bullet Spring and guide rail spring are compressed simultaneously, and longitudinal pressure is gradually passed to hold-down mechanism by binding clip shell by holddown spring, simultaneously Longitudinal pressure is passed into guide rail and separating mechanism by guide rail spring, female connector is gradually fixed by hold-down mechanism, simultaneously Separating mechanism lower end compresses pin end；Continue to exert a force to clamp handle, holddown spring continuation is compressed, buckle pressing arm contact to buckle It is pressed down on afterwards, is less than swan socket upper limb until buckle is pressed against its outermost；Continue to exert a force to clamp handle, due to arc The effective torque at shape pull rod fulcrum both ends is different, to which pull rod front end drives longitudinal moving mechanism to start to vertically move, and then pushes away Transversely guide rail moves right dynamic separating mechanism, because separating mechanism longitudinally compresses pin end at this time, therefore separating mechanism edge When guide rail moves, also pin end is pushed to move right, to drive buckle to be extracted from buckle jack, while by pin end and mother The metal terminal of connector separates, that is, realizes the dismounting of MC4 interfaces and being automatically separated for male and female connector interface.

Photovoltaic cable MC4 joint disassemblies described in the utility model clamp binding clip, buckle is connected as by pressure arm, binding clip shell three One, arm front end is sharp, and chamfering inclined-plane is located at outside, is conducive in narrow snap-in groove space effectively pressing buckle.

4 holddown springs in photovoltaic cable MC4 joint disassemblies pincers binding clip hold-down mechanism groove described in the utility model, Symmetrical in the rectangular top plane of hold-down mechanism, all sames such as 4 spring materials, size, coefficient of elasticity are hard bullet Spring, coefficient of elasticity k1 are larger.

Pacify between the bottom and card slot of photovoltaic cable MC4 joint disassemblies pincers binding clip longitudinal moving mechanism described in the utility model Equipped with row's ball, kinetic force of friction when being vertically moved with reducing mechanism.

There is upper and lower slide rail on rear side of photovoltaic cable MC4 joint disassemblies pincers binding clip longitudinal moving mechanism described in the utility model, it is sliding Sliding block is installed in rail, and is connected with the long arm end of arc pull rod by sliding block pin hole.

2 guide rail springs in photovoltaic cable MC4 joint disassemblies pincers binding clip guide rail groove described in the utility model, in guide rail Rectangular top plane in it is symmetrical, all sames such as 4 spring materials, size, coefficient of elasticity are hard spring, elasticity Coefficient k 2 is larger, and k2 is slightly larger than k1.

Seperator is installed in the card slot of the guide rail lower part of photovoltaic cable MC4 joint disassemblies pincers binding clip described in the utility model Structure, guide rail interior are equipped with row's ball, to reduce kinetic force of friction when separating mechanism movement.

The inclined-plane of the longitudinal moving mechanism and separating mechanism of photovoltaic cable MC4 joint disassemblies pincers binding clip described in the utility model Structure contacts with each other cooperation, constitutes motion-direction changing mechanism, realizes when longitudinal moving mechanism moves backward, in two inclined-plane phases Under mutual pressure effect, separating mechanism moves right.There are one section of gaps, buckle to press under clamp handle open configuration, between two inclined-planes Before pressure arm presses buckle completely, longitudinal moving mechanism does idle stroke movement in the gap, and buckle presses card completely by pressure arm After button, two inclined-planes contact with each other just, and separating mechanism is pushed to move right.

The arc drag link mechanism of photovoltaic cable MC4 joint disassemblies pincers described in the utility model, by 4 pin holes and 3 arm structures At：Kingpin bore, fulcrum pin hole and fulcrum arm are integrally formed, and are connected on centre bearing pin by kingpin bore, fulcrum arm and fulcrum Pin hole position is fixed, and is not rotated with clamp handle, and pull rod is long-armed and pull rod galianconism passes through sliding block pin and clamp handle pin and sliding block respectively It is connected with clamp handle, long-armed and galianconism is fulcrum rotation using fulcrum pin hole, since sliding block pin hole and clamp handle pin hole are relative to fulcrum The effective rake of arm is different, therefore when the two is rotated around fulcrum pin hole, the two linear velocity is different, is to which the two linear velocity is only poor For slide block movement linear velocity, ram speed velocity component in the horizontal direction is the practical movement speed of longitudinal moving mechanism, To realize the longitudinal movement that the rotary motion of clamp handle is changed into longitudinal moving mechanism, it is changed into separating mechanism and drives pin end Mobile disengaging movement.

Two clamp handle fronts of photovoltaic cable MC4 joint disassemblies pincers described in the utility model are by centre bearing pin connection, in institute During stating dismantling tong use, clamp handle and binding clip are rotated around centre bearing pin；It is equipped between two clamp handles on centre bearing pin The kingpin bore of arc pull rod, centre bearing pin pass through kingpin bore.

The clamp handle middle front part of photovoltaic cable MC4 joint disassemblies pincers described in the utility model has wire stripping mouth, and wire stripping range is successively For 0.75,1.0,1.5,2.5,3.0,4.0,6.0mm², there is the wire-stripping function for above-mentioned size cable.

The limited journey mechanism of clamp handle middle front part of photovoltaic cable MC4 joint disassemblies pincers described in the utility model, including be located at The limit journey protrusion of clamp handle and the limit journey adjusting screw positioned at lower plier handle by turning adjusting screw height, and then adjust clamp handle and close Binding clip is to the pressure sizes of MC4 connectors when conjunction, to adapt to the fine difference of different manufacturers MC4 joint dimensions.

It is connected by bearing spring in the middle part of the clamp handle of dismantling tong described in the utility model, when clamp handle does not press, spring is by clamp handle It opens, after the completion of the action of pressing clamp handle dismounting MC4 interfaces, looses one's grip, spring automatically opens clamp handle and binding clip, is torn open convenient for extraction Unload pincers.

PVC insulation Anti-slip handles are cased with outside the clamp handle of dismantling tong described in the utility model, handle external surface shape is suitble to grab It holds, handle rear end is carved with travers, can increase grip, effectively anti-skidding.

The sliding of dismantling tong described in the utility model and rolling position：Longitudinal ball, guide rail ball, on longitudinal moving mechanism Card slot, two sliding surface of motion-direction changing mechanism etc. below lower edge, cross slide way, smear moderate lubrication oil, to reduce corresponding machine The when frictional force of structure movement.

The clamp handles of MC4 joint disassemblies described in the utility model pincers, shell of taking the lead, longitudinal moving mechanism, guide rail shell and point Structure material of disembarking is 1008 carbon steel of SAE, and hold-down mechanism material is preferably rigid plastics.

Compared with existing correlation MC4 provisions for disengagement, the advantageous effect of MC4 joint disassemblies pincers described in the utility model exists In：The convenience of MC4 joint disassemblies is enhanced, the separation of male and female connector can be realized in primary grasping, not only time saving and energy saving, but also has Effect reduces the intensity fatigue of joint material；Structure is relatively easy, easy to use, while having the stripping for common-size cable Line function is conducive to effective application of live complex environment, is suitble to large-scale promotion.

Description of the drawings

Fig. 1 is MC4 connector matching mechanism figures under connection status；

Fig. 2 is MC4 joint disassembly wrench structure schematic diagrames；

Fig. 3 is tong head schematic diagram；

Fig. 4 is binding clip shell structure three-view diagram；

Fig. 5 is binding clip hold-down mechanism three-view diagram；

Fig. 6 is binding clip longitudinal moving mechanism three-view diagram；

Fig. 7 is binding clip cross slide way mechanism three-view diagram；

Fig. 8 is binding clip separating mechanism mechanism three-view diagram；

Fig. 9 is binding clip longitudinal moving mechanism and separating mechanism inclined-plane cooperation schematic diagram；

Figure 10 is arc drawbar structure diagram；

Figure 11 is arc pull rod schematic view of the mounting position；

Figure 12 is binding clip operating position schematic diagram；

Figure 13 is binding clip operating position detailed schematic；

In figure, 101A and 101B are connector both ends connecting line, and 102A and 102B are the rear turncap that connector both ends are spirally connected, 103A It is connector both ends screw thread with 103B, 104 be female connector, and 105 be the metal terminal of cooperation, and 106 be snap-in groove, and 107 be public access Head buckle, 108 be female connector rear end, and 109 buckle jack for female connector, and 110 be pin end, and 1 is binding clip, and 2 be arc pull rod, 3 Centered on fulcrum post, 4 be clamp handle main body, and 5 be PVC handles, and 6 are limited journey protrusion, and 7 be wire stripping mouth, and 8 are limited journey adjusting screw, and 9 are Spring is supported, 10 be binding clip shell, and 11 press pressure arm for buckle, and 12 be holddown spring, and 13 be hold-down mechanism, and 14 be longitudinal movement machine Structure, 15 be longitudinal ball, and 16 be guide rail spring, and 17 be cross slide way, and 18 be separating mechanism, and 19 be slider pin, and 20 be stub, 21 For fulcrum pin, 22 be clamp handle pin, and 201 be kingpin bore, and 202 be sliding block pin hole, and 203 be fulcrum pin hole, and 204 be clamp handle pin hole, 205 Long-armed for pull rod for fulcrum arm, 206,207 be pull rod galianconism, and 1001 be fulcrum on holddown spring, and 1002 be hold-down mechanism groove, 1003 be fulcrum on guide rail spring, and 1004 be guide rail groove, and 1005 be longitudinal moving mechanism card slot, and 1301 be to be propped up under holddown spring Point, 1302 be hold-down mechanism protrusion, and 1303 be hold-down mechanism seal face, and 1401 be traction sliding block, and 1402 be longitudinal triangle body, 1403 be sliding block pin hole, and 1404 be longitudinal inclined-plane, and 1701 be guide rail spring lower fulcrum, and 1702 be guide rail ball, and 1703 be separation Mechanism card slot, 1801 be transverse triangle body, and 1802 be separating mechanism protrusion, and 1803 be pin end separating arm, and 1804 is laterally Inclined-plane, A-A are male and female joint contact surfaces, and B-B is buckle press surface, and C-C is seal face, and D-D is separated contact surfaces.

Below in the description of attached drawing, term such as up, down, left, right, before and after only relates to selected in corresponding figure The exemplary view and dismounting clamp position selected, should not narrowly understand these terms, that is, in different operating positions Or the arrangement etc. due to mirror symmetry, these reference relations might have variation.

Specific implementation mode

In order to keep the purpose of this utility model, technical solution and advantageous effect clearer, below in conjunction with attached drawing, to this The preferred embodiment of utility model is described in detail, to facilitate the technical staff to understand.It should be understood that described herein Embodiment be only used for describing and explaining the present invention, therefore it is new that this practicality should not be limited with the content of this specific embodiment The protection domain of type.

Fig. 1 is the MC4 joint structures under connection status, and in figure, 101A and 101B are connector both ends connecting line, 102A and 102B is the rear turncap that connector both ends are spirally connected, and 103A and 103B are street corner both ends screw thread, and 104 be female connector agent structure, and 105 are The metal terminal of cooperation, 106 be snap-in groove, and 107 buckle for pin end, and 108 be female connector rear end, and 109 buckle for female connector Jack, 110 be pin end.Metal terminal 105 inside connector under connection status, pin end and female connector closely connects It connects, stiction is big, and since pin end buckle 107 itself is paid outward, therefore is clamped on female connector buckle on the outside of buckling and inserts The outside in hole 109, to ensure that buckle will not loosen automatically in the case of not by ambient pressure.So being intended to connection status Under MC4 joint disassemblies be independent pin end and female connector, need first to press pin end buckle 107, make 107 outside of buckle with Female connector buckles jack 109 and detaches, and then applies reversal interlocking relay to pin end and female connector simultaneously, when reversal interlocking relay be more than it is public, When stiction between female connector, pin end and female connector counter motion, buckle 107 are pulled out from buckle jack 109, into And two metal terminals are pulled out and detach, the separation of male and female connector, to realize the dismounting of MC4 terminals.

Fig. 2 is the MC4 joint disassemblies wrench structure schematic diagram, wherein connected by centre bearing pin 3 between two clamp handles 4, It is connected by arc pull rod 2 between clamp handle 4 and the longitudinal moving mechanism 14 of binding clip 1, the bearing spring 9 at 4 middle part of clamp handle is for opening Clamp handle 4 and binding clip 1 are opened, limit journey protrusion 6 and limit journey adjusting screw 8 are closed degree and binding clip 1 to being disassembled MC4 for adjusting jaw The pressure size of connector, wire stripping mouth 7 has for 0.75,1.0,1.5,2.5,3.0,4.0, the strippings of seven kinds of model cables of 6.0mm Line function.

Fig. 3 is the tong head schematic diagram of MC4 joint disassemblies pincers, and binding clip shell 10 is the frame of entire binding clip 1, card Button is integral structure by pressure arm 11 and shell 10 and clamp handle 4；Hold-down mechanism 13 is mounted in hold-down mechanism groove 1002, top It is uniformly distributed four holddown springs 12；Right side longitudinal moving mechanism 14 is mounted in card slot 1005, and card slot basis rest has longitudinal direction Ball 15；Cross slide way 17 is mounted in guide rail groove 1004, and top is uniformly distributed two guide rail springs 16,17 bottom of cross slide way Separating mechanism 18 is installed in portion's card slot 1703；The inclined-plane of longitudinal moving mechanism 14 and separating mechanism 18, which cooperates, constitutes movement Direction switching mechanism.

Fig. 4 is the binding clip shell structure three-view diagram of MC4 joint disassemblies pincers, and left side edge extends in front view, bottom Chamfering on the outside, forms buckle and presses pressure arm 11；In intermediate pressing device groove 1002, top is uniformly distributed there are four holddown spring Upper fulcrum 1001, with 13 upper surface of pressing device, 1301 position of equally distributed four holddown spring lower fulcrums to being just aligned point Cloth, for holddown spring 12 to be fixedly mounted；Right side longitudinal moving mechanism card slot 1005 is for installing longitudinal moving mechanism 14, bottom Portion is for placing longitudinal ball 15；Fulcrum 1003 on guide rail spring there are two being uniformly distributed above in the guide rail groove of the rightmost side, with Equally distributed two guide rail springs lower fulcrum, the 1701 positive aligned fashion in position in 17 upper surface of cross slide way is led for being fixedly mounted Rail spring 16.

Fig. 5 is the binding clip hold-down mechanism three-view diagram of MC4 joint disassemblies pincers, and 13 upper surface of pressing device is equally distributed Four 1301 positional symmetry of holddown spring lower fulcrum distributions, for holddown spring 12 to be fixedly mounted；Hold-down mechanism in front view Protruding portion 1302 is contacted with hold-down mechanism groove 1002, and hold-down mechanism 13 is installed in groove；Hold-down mechanism seal face 1303 It is in direct contact with 108 outer surface of female connector rear end is disassembled, surface is scored with increasing friction decorative pattern, to ensure the effective of butt joint It compresses and fixed.

Fig. 6 is the binding clip longitudinal moving mechanism three-view diagram of MC4 joint disassemblies pincers, and 14 outside of longitudinal moving mechanism is led Draw sliding block 1401 in longitudinal slide rail, can be slided up and down along sliding rail, the protruding portion centre bit of traction sliding block 1401 is equipped with cunning Block pin hole 1403 is connected by slider pin 19 with sliding block pin hole 202, drives slider pin 19 to slide up and down by arc pull rod 2, into And longitudinal moving mechanism 14 is driven to be vertically moved；The outside longitudinal direction inclined-plane 1404 of longitudinal triangle body 1402, by polishing matter Ground is smooth, reduces friction when movement.

Fig. 7 is the binding clip cross slide way mechanism three-view diagram of MC4 joint disassemblies pincers, and 17 upper surface of cross slide way is uniformly divided Two 1701 positional symmetries of guide rail spring lower fulcrum of cloth are distributed, for guide rail spring 16 to be fixedly mounted；17 lower section of cross slide way Separating mechanism card slot 1703 is formed, a row is laid for installing separating mechanism 18, in 17 inside type selecting cavity of cross slide way and leads Rail ball 1702, for reducing kinetic force of friction when separating mechanism 18 moves.

Fig. 8 is the binding clip separating mechanism three-view diagram of MC4 joint disassemblies pincers.Two bulge of top of separating mechanism 18 1802 are installed in the separating mechanism card slot 1703 of 17 lower section of guide rail, laterally oblique on the outside of the transverse triangle body 1801 on the left of middle part Face 1804, it is smooth by polishing grain, reduce friction when movement；18 lower left chamfering of separating mechanism forms tip, favorably It releases in compression pin end and outward.

Fig. 9 is the binding clip longitudinal moving mechanism and separating mechanism inclined-plane cooperation schematic diagram of MC4 joint disassemblies pincers, binding clip 1 and when not closed clamp handle 4, there are an intersegmental gap between two inclined-planes 1404 and 1804, buckle is by pressure arm 11 from starting to press down on It moves to and presses buckle 107 completely, it is contactless between two inclined-planes, buckled for 107 moment when pressing completely, two inclined-plane exactly in contact withs, Longitudinal moving mechanism 14 moves backward, and longitudinal inclined-plane 1404 is driven to move backward, pushes lateral inclined-plane 1804 to move right, drives Separating mechanism 18 moves right, and to push pin end 110 to move right, is detached with female connector rear end 108, to realize connector Dismounting.

Figure 10 is the arc drawbar structure diagram of MC4 joint disassemblies pincers.Kingpin bore 201 is consolidated by centre bearing pin 3 It is scheduled between two clamp handles 4, kingpin bore 201 is an integral structure with fulcrum pin hole 203, therefore fulcrum pin hole 203 is with respect to centre bearing Pin 3 is fixed, and is not rotated and is rotated with clamp handle；Sliding block pin hole 202, pull rod be long-armed 206, pull rod galianconism 207 and clamp handle pin hole 204 are Integral structure rotates around fulcrum pin 201；

Figure 11 is the arc pull rod schematic view of the mounting position of MC4 joint disassemblies pincers, and kingpin bore 201 is by centre bearing pin 3 are fixed between two clamp handles 4, and sliding block pin hole 202 is connected by slider pin 19 with sliding block pin hole 1403, and clamp handle pin hole 204 is logical Clamp handle pin 22 is crossed with clamp handle 4 to be connected.

Figure 12 and Figure 13, which is the binding clip operating position schematic diagram of MC4 joint disassemblies pincers and its detail view, dismantling tong, to be made Used time, buckle are aligned and are contacted with buckle 107 by pressure arm 11, form linear buckle press surface B-B, hold-down mechanism 13 connects with mother Head rear end 108 is aligned and contacts, and forms the seal face C-C of rectangle, and separating mechanism 18 is aligned and contacts with pin end 110, is formed Linear separated contact surfaces D-D forms the male and female joint contact surfaces A-A of annular between pin end 110 and female connector rear end 108；

During MC4 joint disassemblies, as clamp handle 4 is gradually held with a firm grip, binding clip 1 is gradually closed, and is pressed into and is connect from clamp handle 4 Head is disassembled completion, and whole dismounting process is broadly divided into three phases：

1, the suitable position for holding PVC handles, after according to binding clip is directed at the suitable position of MC4 connectors shown in Figure 13, By lower plier handle 4, hold-down mechanism 13 contacts female connector rear end 108 and forms rectangle seal face C-C at first, and holddown spring 12 is compressed, 18 times end in contact pin ends 110 of separating mechanism form line contact face D-D immediately, and then guide rail spring 16 is compressed, both sides Separating mechanism 18 starts to apply longitudinal pressure towards connector center to pin end, should during after pin end 109 and female connector End 108 is gradually fixed, and hold-down mechanism 13 and 18 position of separating mechanism are also fixed at this time；

2, binding clip 1 continues to be closed, and holddown spring 12 and the continuation of guide rail spring 16 are compressed, and binding clip shell 10 drives buckle to press Pressure arm 11 moves downward, the top edge until touching buckle 107 by 11 lower extreme point of pressure arm；Binding clip 1 continues to be closed, buckle pressing Arm 11 is pressed buckling 107, in the above process, since pull rod long-armed 206 is bigger than the effective torque of pull rod galianconism 207, therefore sliding block Pin hole 202 drives traction sliding block 1401 to do oblique movement by slider pin 19, draws the vertical component of 1401 actual speed of sliding block Band movable slider 1401 is slided up and down along sliding rail, and horizontal component band movable slider 1401 draws longitudinal moving mechanism 14 and moves backward, But it there is no contact between longitudinal inclined-plane 1404 and lateral 1804 liang of inclined-plane inclined-plane；It is pressed against less than mother until buckling 107 upper limbs Connector buckles the upper limb of jack 109, or even 107 lower edges of buckle are pressed into and are contacted with 106 bottom of snap-in groove, buckles at this time 107 no longer have stuck effect, meet the condition for pulling out buckle 107, are connect just between 1404 and 1804 liang of inclined-planes at this time It touches；

3, binding clip 1 continues to be closed, and the sliding block pin hole 202 on arc pull rod 2 continues through slider pin 19 and drives longitudinal movement The continuation of mechanism 14 moves backward, and longitudinal inclined-plane 1404 is driven to move backward, since two inclined-planes have contacted, pushes lateral inclined-plane 1804 move right, and separating mechanism 18 is driven to be moved right along cross slide way 17；Because guide rail spring 16 is caused point by compression Structure 18 of disembarking has compressed pin end 110, pin end 110 can be pushed to move right when being moved right to separating mechanism 18, directly It buckles in jack 109 and is pulled out to buckle 107 from female connector, final pin end 110 is detached with female connector rear end 108, and realization connects Head dismounting.

The above is only the preferred embodiment of the utility model, it should be understood that the utility model is not limited to herein Disclosed form is not to be taken as excluding other embodiments, and can be used for other combinations, modifications, and environments, and It can be modified by the technology or knowledge of above-mentioned related field in contemplated scope described herein.And those skilled in the art institute The modifications and changes of progress, all should be in the appended claims for the utility model in the spirit and scope for not departing from the utility model Protection domain in.

Claims (7)

1. a kind of photovoltaic cable MC4 joint disassemblies pincers, which is characterized in that including two binding clips（1）With two clamp handles（4）：Binding clip （1）By binding clip shell（10）, hold-down mechanism（13）, longitudinal moving mechanism（14）, cross slide way（17）, separating mechanism（18）Five Divide and constitutes；Clamp handle（4）With wire stripping mouth（7）, limit journey regulating device（6,8）And PVC handles（5）；Two clamp handles（4）Between by center Fulcrum post（3）With bearing spring（9）Connection, clamp handle（4）With the longitudinal moving mechanism of binding clip（14）Between by arc pull rod（2）Even It connects.

2. a kind of photovoltaic cable MC4 joint disassemblies pincers according to claim 1, which is characterized in that clamp handle（4）, outside binding clip Shell（10）Pressure arm is pressed with buckle（11）It is an integral structure, buckle presses pressure arm（11）With outside chamfering, binding clip shell（10）Tool There are three grooves, are respectively used to installation hold-down mechanism（13）, longitudinal moving mechanism（14）And cross slide way（17）.

3. a kind of photovoltaic cable MC4 joint disassemblies pincers according to claim 1, which is characterized in that longitudinal moving mechanism （14）Rear has the sliding rail of upper and lower directions, and traction sliding block is equipped in sliding rail（1401）, right front has longitudinal triangle body （1402）, and longitudinal inclined-plane（1404）By polishing, surface is smooth.

4. a kind of photovoltaic cable MC4 joint disassemblies pincers according to claim 1, which is characterized in that separating mechanism（18）It is left Top has transverse triangle body（1801）, and lateral inclined-plane（1804）By polishing, surface is smooth.

5. a kind of photovoltaic cable MC4 joint disassemblies pincers according to claim 1, which is characterized in that longitudinal inclined-plane（1404） With lateral inclined-plane（1804）Contact with each other cooperation, constitutes motion-direction changing mechanism；Binding clip（1）And clamp handle（4）When not closed, two There are an intersegmental gaps, buckle to press pressure arm between inclined-plane（11）It moves to from starting to press down on and presses buckle completely（107）, two tiltedly It is contactless between face, when pressing buckle completely（107）Moment, two inclined-plane exactly in contact withs, longitudinal moving mechanism（14）It moves backward, Drive longitudinal inclined-plane（1404）It moves backward, pushes lateral inclined-plane（1804）It moves right, drives separating mechanism（18）It transports to the right It is dynamic, and then pin end 110 is pushed to move right, it is detached with female connector rear end 108.

6. a kind of photovoltaic cable MC4 joint disassemblies pincers according to claim 1, which is characterized in that arc pull rod（2）

Kingpin bore（201）By centre bearing pin（3）It is fixed on two clamp handles（4）Between, kingpin bore（201）With fulcrum pin hole （203）It is an integral structure, therefore fulcrum pin hole（203）Opposite centre bearing pin（3）It is fixed, it does not rotate and rotates with clamp handle；It is sliding Block pin hole（202）, pull rod it is long-armed（206）, pull rod galianconism（207）With clamp handle pin hole（204）It is an integral structure, around fulcrum pin （21）It rotates.

7. a kind of photovoltaic cable MC4 joint disassemblies pincers according to claim 1, which is characterized in that clamp handle（4）Middle part is limited Journey mechanism includes the limit journey protrusion positioned at upper plier handle（6）With the limit journey adjusting screw positioned at lower plier handle（8）, pass through rotary screw Its height is adjusted, and then adjusts clamp handle（4）Binding clip when closure（1）To being disassembled the pressure size of MC4 connectors.