CN205248202U - Universal type circuit breaker - Google Patents

Abstract

Universal type circuit breaker includes bridge -shaped contact, bridge -shaped contact includes the support and installs contact piece and the isolating pad piece on the support, is provided with two contact piece rows, every relatively in support both sides the contact piece arrange including at least two set up side by side meet contact - piece set, every connects contact - piece set to include two independent contact pieces, connects to be equipped with insulating isolating pad piece between two contact pieces of contact - piece set, separates through the isolating pad piece to form the clearance. The utility model provides an universal type circuit breaker's bridge -shaped contact, the simple structure of isolating pad piece just has insulating nature, the destructiveness of avoiding the electric current to flow through and arouse, improvement bridge -shaped contact's life and reliability.

Description

Omnipotent breaker

Technical field

The utility model relates to Low Voltage Electrical Apparatus, is specifically related to a kind of omnipotent breaker.

Background technology

Intelligent universal circuit breaker is the air-break of China's independent research nineties in last century, hasFor complete defencive function, protection action current is comparatively accurate, and intelligent degree is higher, rated operational voltageBe up to AC690V/50Hz, rated current maximum is to 6300A, is mainly used in distribution network, to be used for a point distributionCan, protection circuit and power-supply device are avoided the harm of overload, short circuit and under-voltage, also can be used to protect electronicMachine is avoided the harm of overload, short circuit, under-voltage. Under normal condition, also can be used as not frequent transitions and electricity of circuitThe use of the not Fraquent start of motivation.

The bridge-shaped contact of omnipotent breaker is electric conductor motion parts (omnipotent breaker body) and quietThe important pivot that stop divides (universal circuit breaker drawer seat) to couple together, can by bridge-shaped contactTwo-part busbar is linked together. There on the bridge-shaped contact support of existing omnipotent breaker, do not have to be rightIsolation pad arranges position limiting structure, and it is unreliable when assembling, to locate, and causes assembling process to waste time and energy. And,Spacer adopts copper more, and the electric current that flows through like this bridge type contact is large, and electric power and current instantaneous value squareBe directly proportional, so produce larger electric power, breaker had to destructiveness. And, will be also by isolation padTwo row's contact chips that row are arranged on support both sides separate, and cause bridge-shaped contact inner space to diminish, and are not easy to fall apartHeat, affects the reliability of product. In addition, between being separated out by increase isolation pad between contact chip and contact chipGap is dispelled the heat, and Assembly part increases, cause existing that assembly process complexity, production cost are high, weak heat-dissipating withAnd the firm not problem such as firm of assembling.

On the case surface of omnipotent breaker, be directly marked with manufacturer, model and the basic parameter letter of breakerCease, not only improve the product identification degree of omnipotent breaker, the also aesthetic measure of direct reactor product, decoratesBar, as a part of case, directly affects the image appearance of product. On market, existing product is all adoptedRealize the assembling of ornamental strip with gum stickup or quadric injection mould, and there is the caducous risk of appearance in sticking structure,There is the problem that processing cost is high in quadric injection mould.

The key lock of omnipotent breaker is arranged on operating mechanism by the case of breaker, can pin behaviourThe push rod of doing mechanism makes that breaker is manual, electronic all can not close a floodgate, and improves the security performance that user uses. ExistingThe perforate face of the most of breaker cases that have is levels, is recessed but also there is case key lock position of openingProtruding injustice, and this makes troubles to perforate, cause occurring the situations such as accurately perforate, perforate efficiency be low.

The stored energy operation handle of omnipotent breaker is being undertaken the effect that operating mechanism is completed to manual energy storage, oneIndividual good operating grip can not only be laborsaving, and can improve the comfort of operation, and existing energy accumulation handle existsThe defects such as operation is used effort, and grasping feel is uncomfortable.

The drawout chassis of omnipotent breaker makes the operation of breaker safer, safeguards conveniently, and shakesHandle is exactly that breaker body is shaken into the indispensable arm of force shaking out in open frame circuit breaker drawout chassisLeverage tool, is arranged on the central convenience of drawout chassis and takes at any time, also maintains easily management. Existing crank handleMounting means is to be all fixed on the trailing flank of drawout chassis base plate, and the length of crank handle is fixed, and cannot adjustJoint, causes meeting the user demand of the crank handle to different length.

Utility model content

The purpose of this utility model is to overcome the defect of prior art, and a kind of universal simple in structure is providedBreaker.

For achieving the above object, the utility model has adopted following technical scheme:

A kind of omnipotent breaker, comprises bridge-shaped contact 3, and described bridge-shaped contact 3 comprises support 31 and peaceBe contained in contact chip 32 and isolation pad 34 on support 31, be relatively set with two contacts in support 31 both sidesSheet row, at least two contact chip groups that are arranged side by side are drawn together in each described contact chip package, each contact chip group bagDraw together two independently contact chips 32, between two contact chips 32 of contact chip group, be provided with the isolation pad of insulation34, separate and form gap by isolation pad 34.

Preferably, the integrated formed structure that described isolation pad 34 is thermosetting plastics.

Preferably, described isolation pad 34 comprises integrated two isolation parts 341 and a connecting portion 342,Two isolation parts 341 are symmetricly set on the both sides of connecting portion 342, the isolation part 341 of isolation pad 34 and companyConnect portion 342 lower surfaces and flush, the upper of connecting portion 342 protruded in the isolation part 341 that is positioned at connecting portion 342 both sidesEnd face forms groove in the middle of the upper end of isolation pad 34; Described isolation pad 34 is by the isolation part of both sides341 separate four contact chips 32 of two contact chip groups that are set up in parallel between two.

Preferably, described support 31 comprises spaced two risers 312 in front and back and is vertically set onTransverse slat 313 between two risers 312, between the both sides of two risers 312 by being provided with two installation shaft33 are fixed on contact chip 32 and isolation pad 34 between two risers 312; Symmetrical on every riser 312Be provided with two the first installing holes 311 that match with installation shaft 33, contact chip 32 and isolation pad 34 rightAnswer and on position, be respectively equipped with the second installing hole 323 and the 3rd installing hole 344 that match with installation shaft 33.

Preferably, two riser 312 part formation of protrusion transverse slat 313 are downwards four jiaos of card bases that distribute,The part of transverse slat 313 protruding upward forms two opening up E type structures; The both sides of described E type structureOn arm, be arranged with the first installing hole 311 matching with installation shaft 33.

Preferably, described transverse slat 313 is provided with the two row's louvres 316 that are dislocatedly distributed.

Preferably, described contact chip 32 is arranged that relative side with another contact chip and is provided with the rank that are L-typeLadder boss 324, wherein the high step side of ladder boss 324 flushes with the upper end of contact chip 32, contact chipRelative round and smooth chamfering, the lower end of described contact chip 32 of being provided with of high step of 32 upper corners and ladder boss 324Be provided with circular arc boss 325 with ladder boss 324 homonymies.

Preferably, described bridge-shaped contact 3 is connected with drawout chassis 2, drawout chassis 2 comprise drawout chassis base plate 21,And be arranged on adjusting device, keeper 22 and the crank handle mounting sleeve 23 on drawout chassis base plate 21, instituteState drawout chassis base plate 21 and comprise the first side wall 211 Hes that are set in parallel in drawout chassis base plate 21 both sides, baseplaneThe second sidewall 212, the two ends of described crank handle mounting sleeve 23 respectively with the first side wall of drawout chassis base plate 21211 be fixedly connected with keeper 22, and the other end of keeper 22 passes and be fixed on drawout chassis base plate 21On the second sidewall 212; Between described crank handle mounting sleeve 23 and the second sidewall 212, be provided with adjusting device realThe crank handle mounting sleeve 23 of existing different length and the installation of keeper 22 are to adapt to the crank handle of different lengthPlacement; Described adjusting device comprises the bent plate 24 being fixed on drawout chassis base plate 21, and establish bent plate 24 lower endsHave the first support slot 244 matching with keeper 22, bent plate 24 will by the first support slot 244 on itKeeper 22 location are fixed on drawout chassis base plate 21.

The bridge-shaped contact of omnipotent breaker of the present utility model, isolation pad simple in structure and there is insulationProperty, the destructiveness of avoiding electric current to flow through causing, improves service life and the reliability of bridge-shaped contact. Isolating padSheet is the integrated formed structure of thermosetting plastics, has heat-resisting and insulation, and sound construction, improves isolation effectAnd reliability.

Brief description of the drawings

Fig. 1 is the structural representation of breaker body of the present utility model and case;

Fig. 2 is the structural representation of drawout chassis of the present utility model and bridge-shaped contact;

Fig. 3 is the structural representation of case of the present utility model and ornamental strip;

Fig. 4 is the partial structurtes schematic diagram of case of the present utility model;

Fig. 5 is the structural representation of ornamental strip of the present utility model;

Fig. 6 is the upward view of case of the present utility model;

Fig. 7 is the perspective view of energy accumulation handle of the present utility model;

Fig. 8 is the side view of energy accumulation handle of the present utility model;

Fig. 9 is the perspective view of bridge-shaped contact of the present utility model;

Figure 10 is the top view of bridge-shaped contact of the present utility model;

Figure 11 is the structural representation of bridge-shaped contact support of the present utility model;

Figure 12 is the structural representation of isolation pad of the present utility model;

Figure 13 is the structural representation of another embodiment of isolation pad of the present utility model;

Figure 14 is the structural representation of another embodiment of locating shaft of the present utility model;

Figure 15 is the top view of another embodiment of bridge-shaped contact of the present utility model;

Figure 16 is the structural representation of the contact chip in Figure 15 of the present utility model;

Figure 17 is the partial structurtes schematic diagram of drawout chassis of the present utility model;

Figure 18 is the enlarged drawing at A place in Figure 17 of the present utility model;

Figure 19 is the structural representation of bent plate of the present utility model;

Figure 20 is the structural representation of adjustment pad of the present utility model.

Detailed description of the invention

The embodiment providing below in conjunction with accompanying drawing 1 to 20, further illustrates air circuit breaker of the present utility modelThe detailed description of the invention of device. Omnipotent breaker of the present utility model is not limited to the description of following examples.

As depicted in figs. 1 and 2, omnipotent breaker of the present utility model comprises breaker body 1, drawout chassis2, bridge-shaped contact 3 and case 4, breaker body 1 is arranged in drawout chassis 2, breaker body 1One end, by being connected between bridge-shaped contact 3 and drawout chassis 2, covering and is fixed with case 4 on the other end.

Breaker body 1 of the present utility model comprises for the energy accumulation handle 11 of breaker manual energy storage and can lockLive the key lock 12 of the operating mechanism push rod of breaker body 1, energy accumulation handle 11 pivotables are connected to breaker originallyOn the operating mechanism of body 1, described energy accumulation handle 11 comprises the first arc section 111, the second circle that are connected successivelySegmental arc 112 and three-arc section 113, wherein three-arc section 113 is connected with breaker body 1, andThe medial surface of the first arc section 111, the second arc section 112 and three-arc section 113 forms smooth surface shapeOperation time hold face; Four arris of the first arc section 111, the second arc section 112 and three-arc section 113Angle is all carried out round and smooth chamfering and is formed four smooth track scanning curves 118. Seamlessly transit shape by syllogic circular arcBecome a level and smooth easement curve, then scan moulding by a level and smooth curve, thereby operatedMechanism's energy accumulation handle is held the smooth surface of face, convenient grasping, and both safety labor-savings, improve again operation comfort.Certainly the smooth surface that, energy accumulation handle is held face also seamlessly transits the arc radius of circular arc by syllogicForm a level and smooth easement curve, then scan by a level and smooth curve that moulding forms.

Consult Fig. 7 and Fig. 8, the interval, inside and outside side of described energy accumulation handle 11 arranges, the first arc section 111Between the inside and outside side of upper end, connect by the first connection strap 114; Three-arc section 113 bottomsBetween inside and outside side, connect by the second connection strap 115, and the second connection strap 115 and breaker body 1Connect; Between the inside and outside side at the first arc section 111 middle parts, reinforce the connection by the first stiffener 116,Between the inside and outside side at the second arc section 112 middle parts, reinforce the connection by the second stiffener 117. Alleviate handThe weight of handle, more laborsaving when handled easily, ensure sound construction, reduce labour intensity, improve reliability.Further, length > first stiffener 116 of length > second stiffener 117 of the second connection strap 115The length of length > the first connection strap 114, the width of handle diminishes gradually, ensures that integral firmness is simultaneouslyImprove the comfort level grasping. Particularly, the length of the length > three-arc section 113 of the first arc section 111The length of > the second arc section 112; When the lateral surface of the first arc section 111 is when vertical, the first circular arcMedial surface and the horizontal angle of section 111 are a, the medial surface of the second arc section 112 and horizontal angleFor b, the medial surface of three-arc section 113 and horizontal angle are c, wherein a > b > c; The first arc section 111Lateral surface and horizontal angle be a ', the lateral surface of the second arc section 112 and horizontal angle are b ',The lateral surface of three-arc section 113 and horizontal angle are c ', wherein a ' > b ' > c '. Three sections of arc sectionsFlexibility not wait and differ little, make to form smooth surface, improve operation comfort. Further,Differential seat angle between the angle b of the angle a of one arc section 111 and the second arc section 112 and the second arc sectionDifferential seat angle between 112 angle b and the angle c of three-arc section 113 equates; The first arc section 111The angle b ' of the differential seat angle between the angle b ' of angle a ' and the second arc section 112 and the second arc section 112And the differential seat angle between the angle c ' of three-arc section 113 equates, makes the overall outer contour transition of handleEvenly, improve aesthetic appearance, ensure operational comfort. Angle a ' > a of the first arc section 111, the second circleAngle b ' > the b of segmental arc 112, the angle c ' > c of three-arc section 113. The bending journey of energy accumulation handle medial surfaceThe setting of degree, meets bodily fuctions and learns, and improves to greatest extent the comfort of operating grip, convenient grasping;The setting of lateral surface degree of crook, ensures integrally-built fastness, convenient and strength-saving, reduces labour intensity.

Consult Fig. 6, case 4 of the present utility model covers and is fixed on breaker body 1, at case 4 panelsMiddle part one side be provided with the key lockhole 46 that can pass through for key lock 12, opposite side is provided with and can holds energy accumulation handle11 vertical handle mounting groove 44, is positioned at key lockhole 46 and the handle mounting groove 44 tops face along case 4Panel edges offers the horizontal ornamental strip mounting groove 41 that can install for ornamental strip 42; One end of energy accumulation handle 11Be arranged on breaker body 1 through case 4, the other end protrudes breaker body 1 and is contained in case 4In handle mounting groove 44, the perisporium of handle mounting groove 44 protrudes case 4 panel medial surfaces and forms handle boss45; Described handle boss 45 comprises successively the protruding of connected boss plane 451, boss inclined-plane 452 and circular arcPlatform opening 453, described energy accumulation handle 11 and the boss openings 453 of breaker body 1 link through case 4Be arranged on breaker body 1, the other end is retained in the handle mounting groove 44 of case 4 and boss plane 451With 452 corresponding positions, boss inclined-plane; The lockhole end of described key lock 12 is exposed at outward on case 4, and the other end passesCase 4 is arranged on the operating mechanism push rod of breaker body 1; Ornamental strip 42 sinks to and is fixed on case 4Ornamental strip mounting groove 41 in, the flush of its upper surface and case 4.

The upper key lock 12 in panel inner side of described case 4 need be through the position of opening of locating to be provided with uneven structure,On the position of opening of case 4, be provided with the annular guide ledges 47 matching with key lock 12, when perforate, bore5 can offer from inside to outside along the inwall of guide ledges 47 and can pass through for key lock 12 on case 4Key lockhole 46. By direction and the position of the perforate of guide ledges guiding drill bit are set, convenient in uneven positionBe set up perforate, avoid perforate location difficult and inaccurate, improve the Efficiency and accuracy of perforate, improve reliability.

Described guide ledges 47 is annulus cylindrical end tangs structure, internal diameter and the key of the guide ledges 47 of annularThe aperture of lockhole 46 is suitable, improves perforate accuracy. On case 4 and be positioned at guide ledges 47 and also establishThere is the interior ring boss 48 of annular. Another embodiment of guide ledges 47, described guide ledges 47 is with loudspeakerThe annular boss structure of shape opening, internal diameter and the key of junction inside described loudspeaker opening and case 4 panelsThe aperture of spoon lockhole 46 is suitable, improves perforate efficiency.

Consult Fig. 3-5, on the contact-making surface of ornamental strip 42 and case 4, be provided with flexible clamp piece, described case 4Ornamental strip mounting groove 41 in be provided with the draw-in groove 43 matching with the flexible clamp piece of ornamental strip 42, ornamental strip 42Be fixed on by the flexible clamp piece on it in ornamental strip mounting groove 41 of case 4. By connecting and fixing generationFix for traditional stickup, install firmly, difficult drop-off, improves reliability, and assembly structure is simple, convenientAssembling, improves efficiency of assembling, can realize repeatedly and removing and installing.

Described ornamental strip 42 comprises integrated the first ornamental strip 423 and decorates with second of identified areasThe width of bar 424, the second ornamental strips 424 is larger than the width of the first ornamental strip 423; Described the second ornamental strip424 1 sides flush with the first ornamental strip 423, and opposite side and the first ornamental strip 423 junctions are provided with transition inclined-plane425; On the first ornamental strip 423 of described ornamental strip 42, be horizontally arranged with four flexible clamp pieces, described secondOn ornamental strip 424, be vertically arranged with a flexible clamp piece. Assemble more stable, good looking appearance, the second ornamental stripEnough widely facilitate mark identification information to leave enough identified areas, improve product identification degree.

Described flexible clamp piece comprises the fixture block 421 matching with draw-in groove 43 and is arranged on fixture block 421 outer wallsBuckle 422, the integrated formed structure that fixture block 421 and buckle 422 are made for elastomeric material; Described fixture block421 is U-shaped structure, and buckle 422 is arranged on the port both sides of U-shaped fixture block 421, described draw-in groove 43 be withThe square groove that U-shaped fixture block 421 coordinates, two arms of U-shaped fixture block 421 are subject to the week of draw-in groove 43 in installation processWall extruding swings to centre, and while being in place, fixture block 421 recovers elastic deformation, 422 of its both sides bucklesBlock the perisporium of draw-in groove 43 and realize the fixing of ornamental strip 42. Even structure is firm, improves reliability, assemblingSimple in structurely firmly form the swing space of two arms by the opening of U-shaped fixture block, reduce labour intensity, sideCivilian dress is joined, and improves efficiency of assembling. Another embodiment of described fixture block 421 and buckle 422, described fixture block 421For cylindrical structural, described buckle 422 is hangnail type structure and is arranged on the outer wall of fixture block 421, described cardThe circular trough of groove 43 for matching with flexible clamp piece, improves steadiness; Further, described buckle 422 isAnnular protrusion, the annular of described annular protrusion be from top to bottom annular thickness gradually by the annular of thin thickening; InstituteThe quantity of stating buckle 422 is at least two, stacks gradually on the outer wall that is arranged on fixture block 421. Form and shrinkInhomogeneous flexible clamp piece, improves assembling steadiness.

Another embodiment of described flexible clamp piece, flexible clamp piece is the circular buckle knot that protrudes ornamental strip 42 end facesStructure, comprises the projection of column type and is arranged on the flexible U-shaped groove of formation in the projection of column type, U-shapedGroove end is provided with the second fixture block, and the circular trough of described draw-in groove 43 for matching with flexible clamp piece is simple in structure steadyGu, convenient for assembly.

Consult Fig. 9 and Figure 10, bridge-shaped contact 3 of the present utility model comprises support 31 and is arranged on supportContact chip 32 on 31 and isolation pad 34, be relatively set with two contact chip rows in support 31 both sides, everyAt least two contact chip groups that are arranged side by side are drawn together in individual described contact chip package, and each contact chip group comprises two solelyVertical contact chip 32, is provided with isolation pad 34 between two contact chips 32 of contact chip group, passes through isolating padSheet 34 separates formation gap.

Consult Figure 11, spaced two risers 312 and vertically setting before and after described support 31 comprisesTransverse slat 313 between two risers 312 is provided with a locating shaft between the middle part of two risers 31235, isolation pad 34 can be placed on locating shaft 35 and form assembling and positioning, in the both sides of two risers 312Between be provided with two installation shaft 33 and contact chip 32 and isolation pad 34 can be fixed between two risers 312,Locating shaft 35 is parallel with installation shaft 33; Two riser 312 part formation of protrusion transverse slat 313 are downwards fourThe card base that angle distributes, the part of transverse slat 313 protruding upward forms two opening up E type structures; Described EIn the two side arms of type structure, be arranged with the first installing hole 311 matching with installation shaft 33, and E type structureMiddle arm bottom be provided with the positioning shaft hole 315 coordinating with locating shaft 35, the first installing hole 311 on riser 312Being del with positioning shaft hole 315 distributes; Described transverse slat 313 is provided with the two row's louvres that are dislocatedly distributed316, facilitate the circulation of air in each orientation, radiating effect is obvious.

Consult Figure 16, contact chip 32 of the present utility model is arranged on two of described support 31 by installation shaft 33Side, on the upper end correspondence position of support 31 and contact chip 32, be respectively equipped with match with installation shaft 33 firstInstalling hole 311 and the second installing hole 323; Described contact chip 32 is arranged that relative side with another contact chipBe provided with the ladder boss 324 that is L-type, wherein the high step side of ladder boss 324 and contact chip 32Upper end flushes, and the high step of the upper corners of contact chip 32 and ladder boss 324 is relative is provided with round and smooth chamfering. InstituteLower end and ladder boss 324 homonymies of stating contact chip 32 are provided with circular arc boss 325; The opposite side of contact chip 32Relative position is provided with and circular arc boss 325 the first groove 326 in the same way, and middle part is provided with the second groove 327.

Consult Figure 12, the integrated formed structure of isolation pad 34 of the present utility model for being made of copper, comprises twoIndividual isolation part 341 and 342, two isolation parts 341 of a connecting portion are symmetricly set on the both sides of connecting portion 342,The isolation part 341 of isolation pad 34 and connecting portion 342 lower surfaces flush, be positioned at connecting portion 342 both sides everyThe upper surface of protruding connecting portion 342 from portion 341 forms groove, isolating pad in the middle of the upper end of isolation pad 34The isolation part 341 of sheet 34 by both sides by four contact chips 32 of two contact chip groups that are set up in parallel between twoSeparate. The isolation part 341 upper end correspondence positions of isolation pad 34 be provided with match with installation shaft 33Three installing holes 344, connecting portion 342 lower ends of isolation pad 34 are provided with the circular arc that matches with locating shaft 35Pad groove 343, isolation pad 34 is placed on determining on support 31 by pad groove 343 location on itOn the axle 35 of position, realize the location on upper and lower and left and right directions and can freely move forward and backward along locating shaft 35, makingThe 3rd installing hole 344 on isolation pad 34 and the first installing hole 311 concentric alignment just on support 31.By on support 31, be provided with locating shaft 35 and on isolation pad 34 correspondence be provided with and locating shaft 35 phasesThe circular arc pad groove 343 coordinating, makes whole assembling process become efficient and convenient, improves the dress of bridge-shaped contactJoin efficiency, reduce production costs, meanwhile, the setting of pad groove 343 arc-shaped structures, while avoiding stressedStress concentrate, increase bearing strength, reduce materials'use, make bridge-shaped contact intermediate space larger, looseHeat obviously, improves the reliability of product; Compared to locating hole, the more convenient location of pad groove, improves assemblingEfficiency, reduces costs, and is convenient to processing. Preferably, isolation pad 34 adopts thermosetting plastics integrated through injection molding to becomeType replaces copper, and copper has electric conductivity, and the electric current that isolation pad 34 made of copper causes flowing through bridge-shaped contact 3 is large,And square being directly proportional of electric power and current instantaneous value, has destruction so produce larger electric power to breakerProperty; Thermosetting plastics has insulating properties, and the isolation pad 34 of thermosetting plastics can make to flow through bridge-shaped contact 3Relatively the former is little for electric current, produces small electric power, thereby improves service life and the reliability of bridge-shaped contact 3.Consult Figure 13 and Figure 14, another embodiment of isolation pad 34 and locating shaft 35 fit structures, locating shaft35 upper surface is axially provided with chute 300, isolation pad 34 lower ends and locating shaft 35 cooperation places be provided withBoss slider 301 that chute 300 coordinates, isolation pad 34 snaps in locating shaft 35 by boss slider 301The location of the interior realization of chute 300 up and down and on left and right directions also can freely move forward and backward along locating shaft 35, locationMore accurate, facilitate isolation pad to move freely on locating shaft.

When bridge-shaped contact 3 assembles, in the positioning shaft hole 315 on 31 two risers 312 of support, penetrate oneLocating shaft 35, is placed on isolation pad 34 on locating shaft 35 successively, and isolation pad 34 is by the pad on itThe sheet groove 343 tangent formation of turning circle cylinder lucky and locating shaft 35 location, makes on isolation pad 34The 3rd installing hole 344 and first on support 31 installing hole 311 is concentric aligns, realize isolation pad 34Location on support 31, facilitates installation shaft 33 successfully to install; Then, by four contact chips 32 respectivelyInsert between two two both sides between isolation pad 34, and the second installing hole 323 on contact chip 32 withThe 3rd installing hole 344 on isolation pad 34 aligns with one heart, by that analogy contact chip 32 is plugged on to isolationBetween pad 34; Pacify through the first installing hole 311, the second installing hole 323 and the 3rd by installation shaft 33Dress hole 344 is also fixed on support 31, realizes isolation pad 34 and contact chip 32 on support 31Assembling.

Another embodiment of isolation pad of the present utility model 34 and the mounting structure of contact chip 32, everyBe provided with the 3rd installing hole 344 that assembles use with contact chip 32, contact chip from the isolation part 341 of pad 3432 are provided with the projection coordinating with the 3rd installing hole 344 realizes contact chip 32 and is fixedly connected with isolation pad 34.Or, be provided with and the projection that contacts assemblying in 341 both sides, isolation part of isolation pad 34, and contactPilot hole on sheet 32 is fixing spacing. Be connected and replace installation shaft by buckle between isolation pad and contact chip,Save the assembling preparation of installing hole all align, simplify assembling, improve efficiency of assembling.

Consult Figure 15 and Figure 16, another embodiment of bridge-shaped contact 3 of the present utility model, adopts in contactSheet 32 is provided with isolation convex closure to replace isolation pad 34. Between two contact chips 32 of described contact chip groupSide be provided with isolation convex closure, described contact chip 32 is punching press integrated formed structure with isolation convex closure, twoContact chip 32 is separated and is formed gap by isolation convex closure. By being provided with isolation convex closure in order to replace on contact chipIsolation pad, reduces Assembly part, reduces costs, and simplifies assembly process, and installation stability is better, makesThe lateral stability of bridge-shaped contact contact chip in carrying out plug process with body bus is better, can improve steadyQualitative, can ensure again good thermal diffusivity. Described isolation convex closure comprises the upper convex closure 321 being oppositely arranged up and downWith lower convex closure 322, the edge of the side of contact chip 32 upper end edge the second installing hole 323 be provided with described onConvex closure 321. Both play good buffer action, and can play reinforcement effect to the second installing hole peripheral structure again,Improve reliability. The lower end, side of contact chip 32 and described on convex closure 321 be relatively set with described lower convex closure322; The height that described upper convex closure 321 and lower convex closure 322 protrude contact chip 32 end faces is suitable, passes through convex closureCorresponding setting, ensures the stability of contact chip assembling one on the other. Particularly, outside described upper convex closure 321 isProfile becomes the convex closure structure of the stacking formation of circlet gradually, and described lower convex closure 322 diminishes gradually for outlineThe convex closure structure of the stacking formation of circle, reduces the contact area between contact chip 32, is convenient to heat radiation, improves reliableProperty. Certainly, upper convex closure 321 and lower convex closure 322 are not limited only to said structure, can be also that upper surface is smoothWith other convex closure structure that ensures that two contact chip 32 stable phases stick together.

Consult Figure 17 and Figure 18, drawout chassis 2 of the present utility model comprises drawout chassis base plate 21 and installsAdjusting device, keeper 22 and crank handle mounting sleeve 23 on drawout chassis base plate 21, described drawout chassisBase plate 21 comprises the first side wall 211 and the second sidewall that are set in parallel in drawout chassis base plate 21 both sides, baseplane212, the two ends of described crank handle mounting sleeve 23 respectively with the first side wall 211 of drawout chassis base plate 21 and fixedPosition part 22 is fixedly connected with, and the other end of keeper 22 passes and be fixed on the second sidewall of drawout chassis base plate 21On 212; Between described crank handle mounting sleeve 23 and the second sidewall 212, be provided with adjusting device and realize different lengthThe crank handle mounting sleeve 23 of degree and the installation of keeper 22 are to adapt to the placement of crank handle of different length.Adjust between location place on keeper of crank handle mounting sleeve and the second sidewall by being provided with adjusting deviceDistance, thus realize the crank handle of placing length fine setting, and simple in structure, convenient adjusting, meets crank handle notWith the user demand of length.

Consult Figure 19 and Figure 20, the first side wall 211 of described drawout chassis base plate 21 is provided with crank handle pacifiesThe sleeve pipe installing hole that tubing 23 coordinates, one end of crank handle mounting sleeve 23 is fixed in sleeve pipe installing hole,The other end is socketed on keeper 22, and passes through arc plate between keeper 22 and crank handle mounting sleeve 23The connector 27 of shape is fixedly connected with. Described adjusting device comprises the bent plate 24 being fixed on drawout chassis base plate 21,Described bent plate 24 comprises plate 241 and two gripper shoes 242 of holding connected vertically, bent plate 24 hold plate241 lower ends are provided with the first support slot 244 matching with keeper 22, and when assembling, bent plate 24 is by itThe first support slot 244 keeper 22 location is fixed on drawout chassis base plate 21, the gripper shoe of bent plate 24242 are against on the baseplane of drawout chassis base plate 21, and crank handle mounting sleeve 23 is held plate 241 by bent plate 24Institute stops; Described holding between plate 241 and two gripper shoes 242 connects by two transition arcs 243,Two gripper shoes 242 are symmetricly set on and hold that side and the position that plate 241 and crank handle mounting sleeve 23 offsetIn the both sides of the first support slot 244. Bent plate can freely be finely tuned keeper and be stretched into part in drawout chassis base plateLength is also fixed on keeper location on drawout chassis base plate, realizes the installation site of location crank handle, therebyFacilitate the placement of the crank handle of different length, simple in structure, easy to use, raise the efficiency and reliability.

Be fixed on drawout chassis base plate 21 in order to realize bent plate 24, described adjusting device also comprises being fixed on to be taken outAdjustment backing plate 25 on drawer seat base plate 21, adjusts backing plate 25 and is arranged between bent plate 24 and the second sidewall 212,Bent plate 24 is fixed on the second sidewall 212 of drawout chassis base plate 21 by adjusting backing plate 25; Adjust backing plate 25Lower end be provided with the second support slot 251 matching with keeper 22, adjust backing plate 25 by second on itSupport slot 251 is fixed on keeper 22 and between bent plate 24 and the second sidewall 212; DescribedBent plate 24 and adjustment backing plate 25 are fixed on the second sidewall 212 by two screws 26, the card of bent plate 24Hold plate 241 and adjust on backing plate 25 correspondence positions and be arranged with respectively two the first spiral shells that coordinate with screw 26Nail hole 245 and two the second screw holes 252, screw 26 is successively by the second sidewall 212, the second screw hole252 and first screw hole 245 by bent plate 24 with adjust backing plate 25 and be fixed on the second sidewall 212. Adjusting padThe setting of plate, strengthens the fastness being connected between bent plate and drawout chassis base plate, ensures location when crank handle usesPart is located securely, improves reliability.

Or described bent plate 24 is not fixed on drawout chassis base plate 21 by adjusting backing plate 25 realizations, andBent plate 24 is directly fixed on drawer base plate 21 by two screws 26, two supports of bent plate 24On plate 242, be arranged with two the first screw holes 245 that coordinate with screw 26, bent plate 24 is by screw 26With being fixed on the baseplane of drawer base plate 21 of the first screw hole 245. Adjustment crank handle is installedThe installation site of sleeve pipe is more convenient, only needs bent plate locate and fix, and raises the efficiency.

Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model,Can not assert that concrete enforcement of the present utility model is confined to these explanations. For technology under the utility modelThe those of ordinary skill in field, without departing from the concept of the premise utility, if can also makeDry simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.

Claims (8)

1. an omnipotent breaker, comprises bridge-shaped contact (3), it is characterized in that described bridge-shaped contact (3)Comprise support (31) and be arranged on contact chip (32) and the isolation pad (34) on support (31),Support (31) both sides are relatively set with two contact chip rows, and each described contact chip package is drawn together at least two alsoThe contact chip group that row arranges, each contact chip group comprises two independently contact chips (32), two of contact chip groupThe isolation pad (34) that is provided with insulation between individual contact chip (32), separates formation by isolation pad (34)Gap.

2. omnipotent breaker according to claim 1, is characterized in that: described isolation pad (34)For the integrated formed structure of thermosetting plastics.

3. omnipotent breaker according to claim 1 and 2, is characterized in that: described isolation pad(34) comprise integrated two isolation parts (341) and a connecting portion (342), two isolation parts (341)Be symmetricly set on the both sides of connecting portion (342), isolation part (341) and the connecting portion of isolation pad (34)(342) lower surface flushes, and connecting portion (342) is protruded in the isolation part (341) that is positioned at connecting portion (342) both sidesUpper surface in the middle of the upper end of isolation pad (34), form groove; Described isolation pad (34) is by twoThe isolation part (341) of side separates four contact chips (32) of two contact chip groups that are set up in parallel between two.

4. omnipotent breaker according to claim 1, is characterized in that: described support (31) bagDraw together spaced two risers in front and back (312) and be vertically set on the horizontal stroke between two risers (312)Plate (313), between the both sides of two risers (312) by being provided with two installation shaft (33) by contact chip(32) and isolation pad (34) be fixed between two risers (312); Every riser (312) is upper rightClaim to be provided with two the first installing holes (311) that match with installation shaft (33), contact chip (32) and isolationOn the correspondence position of pad (34), be respectively equipped with the second installing hole (323) matching with installation shaft (33)With the 3rd installing hole (344).

5. omnipotent breaker according to claim 4, is characterized in that: two risers (312)The part of protruding transverse slat (313) downwards forms and is four jiaos of card bases that distribute, transverse slat protruding upward (313)Part forms two opening up E type structures; In the two side arms of described E type structure, be arranged with and installThe first installing hole (311) that axle (33) matches.

6. omnipotent breaker according to claim 4, is characterized in that: described transverse slat (313)Be provided with the two row's louvres (316) that are dislocatedly distributed.

7. omnipotent breaker according to claim 1, is characterized in that: described contact chip (32)Arrange that relative side with another contact chip and be provided with the ladder boss (324) that is L-type, wherein ladder is protrudingThe high step side of platform (324) flushes with the upper end of contact chip (32), the upper corners of contact chip (32) andThe high step of ladder boss (324) is provided with round and smooth chamfering relatively, lower end and the ladder of described contact chip (32)Boss (324) homonymy is provided with circular arc boss (325).

8. omnipotent breaker according to claim 1, is characterized in that: described bridge-shaped contact (3)Be connected with drawout chassis (2), drawout chassis (2) comprises drawout chassis base plate (21) and is arranged on drawout chassisAdjusting device, keeper (22) and crank handle mounting sleeve (23) on base plate (21), described drawout chassisBase plate (21) comprise be set in parallel in drawout chassis base plate (21) both sides, baseplane the first side wall (211) andThe second sidewall (212), the two ends of described crank handle mounting sleeve (23) respectively with drawout chassis base plate (21)The first side wall (211) be fixedly connected with keeper (22), the other end of keeper (22) passes and consolidatesFix on second sidewall (212) of drawout chassis base plate (21); Described crank handle mounting sleeve (23) and theBetween two sidewalls (212), be provided with adjusting device and realize the crank handle mounting sleeve (23) and location of different lengthThe installation of part (22) is to adapt to the placement of crank handle of different length; Described adjusting device comprises being fixed on to be taken outBent plate (24) on drawer seat base plate (21), bent plate (24) lower end is provided with matches with keeper (22)The first support slot (244), bent plate (24) by the first support slot (244) on it by keeper (22)Location is fixed on drawout chassis base plate (21).