CN205264615U - Contactor - Google Patents
Contactor Download PDFInfo
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- CN205264615U CN205264615U CN201520948755.4U CN201520948755U CN205264615U CN 205264615 U CN205264615 U CN 205264615U CN 201520948755 U CN201520948755 U CN 201520948755U CN 205264615 U CN205264615 U CN 205264615U
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- pedestal
- base
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- static contact
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Abstract
The utility model provides a contactor, includes the base and installs the base on the base, still includes arc extinguishing spare and static contact, the base is equipped with the interelectrode baffle of separating every extremely electrically conductive system, the both sides lateral wall vertical distribution of interelectrode baffle and base, arc extinguishing spare is fixed in between two interelectrode baffles of every utmost point and the corresponding one side lateral wall, and the both sides lateral wall of base is equipped with the static contact installation cavity of installation static contact, and the static contact passes the inside that static contact installation cavity stretches to the base from the base outside, and the both sides of static contact installation cavity inside wall are equipped with the fixed boss with the static contact fixed coordination. The utility model discloses contactor sets up fixed boss through the both sides at static contact installation cavity and fixes the static contact, and the structure is firm reliable.
Description
Technical field
The utility model relates to Low Voltage Electrical Apparatus, particularly a kind of contactor.
Background technology
A.C. contactor is a kind of electrical equipment for remote frequent connection and point deenergizing, mainly contains base,Be placed in the pedestal on base and be installed on base and pedestal between coil composition.
Coil is as the important component part of the electromagnetic system of contactor, and its quality directly affects electric propertyIndex and functional reliability. Existing to enamel-covered wire protectiveness, insulating properties deficiency, easily cause inside and outside lead-out wireThe paint film of enamel-covered wire is easily scraped, and causes coil occur short circuit or open circuit; Some external lead-out wire adopts coverPipe increases protection and insulating properties, has increased material and winding process.
Coil rack is as the important spare part of contactor product, by heat-resisting, wear-resisting, are-tight and impact strengthHigh thermoplastic is made, and the coil that coil rack is contactor provides matrix. Existing coil rack and baseBetween seat and base, do not have spacingly, product can move up and down in working order, causes coil concussion, acceleratesCoil rack distortion and coil are aging; Product can move forward and backward in the time of assembling, causes assembling difficulty, reduces rawProduce efficiency.
The contact support of existing contactor is as the important structure part of supports contacts, by heat-resisting, wear-resisting, are-tightAnd the high solidity plastics of impact strength are made. Touch spring, for contact provides contact pressure, ensures that contact is reliableContact. The guiding that the assembling of existing touch spring is not installed, installation effectiveness is lower.
The galvanic circle of contactor is mainly made up of the conducting element such as static contact and contact bridge, the closure of contact andIn breaking course, require contact that melting welding does not occur, and wearing and tearing are as much as possible little. Long-term use procedure has necessarilyTemperature rise, require contact resistance stable. Contact can produce electric arc in disjunction circuitry processes, and electric arc is followedHigh-energy can cause contact melting welding. The effect of arc extinction part is exactly to extinguish the electric arc producing in contact breaking course.The installation site of contact and arc extinction part is accurate and firmly most important, has influence on contact and the contact resistance of contactSize, to contact normal work extremely important. Existing contact location is to slot in base wall, can onlyContact is carried out spacing, and arc extinction part can only rely on the wall of pedestal as spacing, and spacing deficiency, arc extinction partEasily rock. And contact heating easily causes the distortion of base wall, thereby makes arc extinction part spacing unreliable.
In addition, base is as the major part of contact support member, and the mounting characteristic of contactor is all also at baseUpper, in transportation, base is also a very crackly part, so that base needs is certain strongDegree and rigidity, vibration, impact etc. in carrying contactor work and transportation. Existing Foundation Plate of ContactorBottom surface impact resistance deficiency, in being subject to greater impact, in sidewall and the underside wall intersection of baseBe prone to cracking.
Summary of the invention
The purpose of this utility model is to overcome the defect of prior art, provides a kind of simple and compact for structure, propertyCan be stable, the contactor that cost is low.
For achieving the above object, the utility model has adopted following technical scheme:
A kind of contactor, comprises base 1 and is installed on the pedestal 2 on base 1, also comprises arc extinction part 5 HesStatic contact, described pedestal 2 is provided with the interpolar dividing plate 21 of separating every utmost point conducting system, described interpolar dividing plate 21With the both sides sidewall vertical distribution of pedestal 2, described arc extinction part 5 is fixed on two interpolar dividing plate 21 Hes of every utmost pointBetween a corresponding side sidewall, the both sides sidewall of pedestal 2 is provided with the static contact installation cavity 22 that static contact is installed,Static contact stretches to the inside of pedestal 2 through static contact installation cavity 22 from pedestal 2 outsides, static contact is installedThe both sides of cavity 22 madial walls are provided with the fixing lug boss 23 with static contact secure fit.
Further, described arc extinction part 5 is fixing by fixing lug boss 23.
Further, described fixing lug boss 23 is provided with static contact and fixes towards installation direction one side of static contactThe first fixed groove 231, described static contact extends to both sides to be provided with the first fixed groove 231 to be installed and joinsThe buckle piece closing.
Further, between described fixing lug boss 23 and the interpolar dividing plate 21 of corresponding side, formation is solid with arc extinction part 5Fixed the second fixed groove 232 coordinating.
Further, also comprise coil rack 3, coil rack 3 comprises wrapping post 31 and the wrapping post at middle partThe coil end plate 32 that 31 two ends arrange, coil end plate 32 and base 1 and the pedestal 2 of coil rack 3 one endBe connected, other end coil end plate 32 is connected with base 1 bottom.
Further, one end coil end plate 32 of described coil rack 3 is provided with coil rack peace to both sides extensionDress plate 35, base 1 opening one end is provided with coil rack installing plate 35 end coordinating is installed to both sides extensionSeat installing plate 17, the sidewall of described base 1 is provided with coil rack installing plate 35 is stopped to the first spacing limitPosition block 16.
Further, described the first positive stop 16 comprises that floor installation plate 17 both sides sidewalls extend the limit arrangingThe first postive stop baffle 161 of installing plate side plate 352 displacements processed and floor installation plate 17 one end sidewalls extend to be establishedRestriction installing plate base plate 351 displacements of putting with vertically disposed the second postive stop baffle of the first postive stop baffle 161162。
Further, one end that described pedestal 2 is connected with the coil end plate 32 of coil rack 3 one end is to both sidesExtend to be provided with coil rack installing plate 35 pedestal mounting plate 26 coordinating, the sidewall of described pedestal 2 are installedBe provided with coil rack installing plate 35 is carried out to the second spacing positive stop 25.
Further, described the second positive stop 25 comprises that pedestal mounting plate 26 both sides sidewalls extend the limit arrangingThe 3rd postive stop baffle 251 of installing plate side plate 352 displacements processed and pedestal mounting plate 26 one end sidewalls extend to be establishedRestriction installing plate base plate 351 displacements of putting with vertically disposed the 4th postive stop baffle of the 3rd postive stop baffle 251252。
Further, described pedestal 2 one end arrange buckle rib 24, described coil rack 3 one end coil end platesThe buckle projection 36 arranging on 32; Described coil rack 3 is provided with and holds buckle in a side of buckle projection 36The first pockets 361 of rib 24, buckle rib 24 is placed in the first pockets 361, one end quilt36 of the buckle projections of pockets 361 1 sides are spacing, and the other end is by another of the first pockets 361Side sidewall institute is spacing.
The utility model contactor, arranges fixing lug boss to static contact by the both sides that cavity is installed at static contactBe fixed, stabilized structure is reliable. Fixing lug boss fixes arc extinction part simultaneously, rationally utilizes newThe fixing lug boss increasing, ensure contact, and arc extinction part is in place, and reduces rocking of contact and arc extinction part.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model coil rack;
Fig. 2 is the structural representation in another orientation of the utility model coil rack;
Fig. 3 is the profile of the utility model coil rack;
Fig. 4 is the structural representation that the utility model contact is supported;
Fig. 5 is the profile of the independent main contact installing rack of the utility model contact support;
Fig. 6 is the structural representation that the utility model pedestal is installed static contact;
Fig. 7 is the side view of the utility model pedestal;
Fig. 8 is the cutaway view of the utility model pedestal;
Fig. 9 is the top view of the utility model pedestal;
Figure 10 is the perspective view of the utility model base;
Figure 11 is the structural representation in another orientation of the utility model base;
Figure 12 is the structural representation in another orientation of the utility model coil rack;
Figure 13 is the partial schematic diagram of the utility model base;
Figure 14 is the structural representation of the utility model coil rack installing plate;
Figure 15 is the inverted structural representation of the utility model pedestal;
Figure 16 is the mounting structure schematic diagram of the utility model coil rack and pedestal;
Figure 17 is the utility model pedestal and coil rack mounting structure schematic diagram.
Detailed description of the invention
The embodiment that provides below in conjunction with accompanying drawing 1 to 17, further illustrates contactor of the present utility modelDetailed description of the invention. Contactor of the present utility model is not limited to the description of following examples.
As shown in Fig. 1-17, the utility model contactor comprises base 1 and is installed on the pedestal 2 on base 1And be installed on the coil rack 3 between base 1 and pedestal 2. The middle part of pedestal 2 is provided with contact and supports 4,In contact support 4, moving contact is installed, the both sides of pedestal 2 are installed with static contact. Also comprise E type rankIron and E type yoke, E type yoke is located at base 1 inside, and E type armature is connected in contact and supports one end of 4,When contactor work, E type yoke and the mutual adhesive of E type armature, E type armature band moving contact supports that 4 is upper and lowerAction, thus the static contact being fixedly installed with the moving contact in moving contact support 4 and pedestal 2 both sides closed withSeparate the break-make (not shown) of control circuit. Coil rack 3 is set in the middle part of E type yoke, lineRing framework 3 comprises the wrapping post 31 at middle part and the coil end plate 32 that wrapping post 31 two ends arrange, coil rack3 upper end coil end plate 32 is fixedly connected with pedestal 2 with base 1, and lower end coil end plate 32 stretches to base 1E type yoke top, bottom (not shown).
As shown in Figure 13,15, the utility model contactor, one end coil end plate 32 of coil rack 3 toBoth sides extension is provided with coil rack installing plate 35, and base 1 opening one end is extended and is provided with and coil rack to both sidesInstalling plate 35 is installed the floor installation plate 17 coordinating, the coil end plate 32 of pedestal 2 and coil rack 3 one endThe one end connecting is provided with coil rack installing plate 35 pedestal mounting plate 26 coordinating is installed to both sides extension.
As shown in Figure 11-15, the sidewall of the floor installation plate 17 of base 1 is provided with coil rack installing plate 35Stop the first spacing positive stop 16. The sidewall of pedestal mounting plate 26 is provided with coil rack installing plate 35Carry out the second spacing positive stop 25. The utility model contactor is by arranging the first limit at the sidewall of basePosition block stops spacing to the coil rack installing plate of coil rack, limiting coil skeleton rocks. Pedestal 2Sidewall arrange the second positive stop 25 coil rack installing plate is stopped spacing, limiting coil skeleton 3Rock.
As shown in Figure 11-15, coil rack installing plate 35 comprises installing plate base plate 351 and the installing plate of bottomThe base plate 351 vertically disposed installing plate side plates 352 in both sides; The first positive stop 16 comprises floor installation plate 17Both sides sidewall extends the first postive stop baffle 161 and floor installation of restriction installing plate side plate 352 displacements that arrangePlate 17 one end sidewalls extend the vertical with the first postive stop baffle 161 of restriction installing plate base plate 351 displacements that arrangeThe second postive stop baffle 162 arranging. The first postive stop baffle 161 and the second postive stop baffle 162 are respectively to installing plateSide plate 352 and installing plate base plate 351 carry out spacing, and stabilized structure is reliable.
As shown in figure 13, the second postive stop baffle 162 comprises first of floor installation plate 17 sidewall both sides, one endThe step-like baffle plate 1621 of second order, forms the first installation gap between the step-like baffle plate 1621 of the first second order of both sides1622. The first postive stop baffle 161 and the second postive stop baffle 162 interconnect L-shaped, the first postive stop baffle161 and second postive stop baffle 162 one-body molded with base 1. The first postive stop baffle 161 and the second postive stop baffle162 interconnect and one-body molded, and the first postive stop baffle 161 and the second postive stop baffle 162 also can divide mutuallyFrom independent setting.
As shown in figure 15, the second positive stop 25 comprises that pedestal mounting plate 26 both sides sidewalls extend the limit arrangingThe 3rd postive stop baffle 251 of installing plate side plate 352 displacements processed and pedestal mounting plate 26 one end sidewalls extend setting351 displacements of restriction installing plate base plate with vertically disposed the 4th postive stop baffle 252 of the 3rd postive stop baffle 251.The 3rd postive stop baffle 251 on pedestal 2 and the 4th postive stop baffle 252 are respectively to the installation on coil rack 3Plate base plate 351 and installing plate side plate 352 carry out spacing, and stabilized structure is reliable. The 4th postive stop baffle 252 wrapsDraw together the step-like baffle plate 2521 of the second second order of pedestal mounting plate 26 sidewall both sides, one end, the two or two stage of both sidesBetween scalariform baffle plate 1621, form the second installation gap 2522.
As shown in Figure 13,15, the both sides of pedestal 2 are provided with the first screw fixed hole 27, and establish the both sides of base 1Have and corresponding the second screw fixed hole 18 of the first screw fixed hole 27.
As shown in figure 14, the end of coil rack installing plate 35 is provided with installs groove 353, and groove 353 is installedMiddle part be provided with install projection 354, installation groove 353 is divided into two chambers; Coil rack installing plate 35End below be provided with right angle hook 355.
As shown in figure 15, the sidewall of pedestal 2 is provided with the mechanical chain through hole for two contactor mechanical interlockings28; Pedestal mounting plate 26 is provided with fixing circular hole 261.
As shown in Figure 14-17, the utility model contactor, pedestal 2 coordinates one of installation with coil rack 3End is provided with pedestal position limiting structure, and coil rack 3 one end are provided with the coil rack limit coordinating with pedestal position limiting structureBit architecture. The utility model contactor arranges pedestal position limiting structure on pedestal, and establish one end of coil rackThere is the coil rack position limiting structure coordinating with pedestal position limiting structure, the moving when work of limiting coil skeleton and assemblingMoving, hold-in winding stationarity, the service life of extension coil.
As shown in Figure 14,15, coil rack position limiting structure is located at the coil end plate 32 of coil rack 3 one endOn. Pedestal position limiting structure is the buckle rib 24 that pedestal 2 one end arrange, and coil rack position limiting structure comprises lineThe buckle projection 36 arranging on ring framework 3 one end coil end plates 32; Coil rack 3 is in buckle projection 36One side is provided with the first pockets 361 that holds buckle rib 24, and buckle rib 24 is placed in the first pocketsIn 361, it is spacing that one end is received 36 of the buckle projections of groove 361 1 sides, and the other end is held recessed by firstThe opposite side sidewall institute of groove 361 is spacing. Pedestal position limiting structure is the buckle rib 24 that pedestal 2 one end arrange,Coil rack position limiting structure comprises the buckle projection 36 arranging on coil rack 3, and buckle rib 24 is placed in firstIn pockets 361, one end is spacing by buckle projection 36, and the other end is by another of the first pockets 361Side sidewall institute is spacing, and position limiting structure is compact stable.
As shown in figure 14, buckle projection 36 is two, lays respectively at coil rack 3 one end coil end plates 32Upper surface both sides, buckle projection 36 is trapezoidal, the middle part of buckle projection 36 is provided with buckle groove 3611.
As Figure 1-3, the utility model contactor, is wound with coil lead on coil rack 3, coilLead-in wire two ends draw respectively inside lead and outer lead-out wire, on coil rack 3, be respectively equipped with inside lead andThe corresponding inside lead groove 301 of outer lead-out wire and draw wire casing 302 outward. The utility model contactor is at coil boneThe both sides of frame are respectively equipped with inside lead for holding coil lead two ends and the inside lead groove of outer lead-out wireDraw wire casing outward, improve the protective value to coil lead, without increasing other protecting components, reduce workOrder, reduces costs.
As shown in Figure 1, 2, wrapping post 31 is extending lead-out wire is being set to both sides near one end coil end plate 32Shelve plate 33, one end coil end plate 32 and below the lead-out wire of both sides shelve between plate 33 and form respectivelyInside lead groove 301 and draw wire casing 302 outward. Coil rack 3 extensions arrange lead-out wire and shelve plate 33 respectivelyFormation is drawn wire casing and is drawn wire casing outward, increases lead-out wire and shelve plate on existing structure basis, easy to processFast. Inside lead groove 301 and draw wire casing 302 outward also at one end the sidewall of coil end plate 32 is directBe processed to form.
As shown in Figure 3, inside lead groove 301 and the bottom of drawing wire casing 302 are outward slope 302a, slope302a comprises the high-end and slope low side in slope, and the inside lead of coil lead one end is from inside lead groove 301Slope is high-end to be entered, and draws from slope low side, and after wrapping post 31 coilings, the outer of the coil lead other end drawsWire casing 302 is drawn in outlet slope low side from outward enters, high-end the drawing from slope. Inside lead groove 301 HesThe bottom of drawing wire casing 302 is outward set as slope 302a, for guiding the trend of inside lead and outer lead-out wire,When inside lead enters, high-end the entering from slope, draws and carries out coiling again from slope low side, outer lead-out wire fromThe slope low side of drawing wire casing 302 outward enters, and high-end the drawing from slope, reduces inside lead groove as much as possible301 and draw the difference in height between wire casing 302 and wrapping post 31 outward, effectively avoid the fracture of coil lead;Inside lead groove 301 bottoms are set as slope 302a simultaneously, when coil lead coiling, are not easy hanging wire.
As Figure 1-3, coil end plate 32 belows, one end of coil rack 3 inside lead groove 301 and outsideSlope low side one side of drawing the slope 302a of wire casing 302 is protruded to be respectively provided with and is stopped projection 34. Coil end plate32 below stops that at inside lead groove 301 and the side setting of drawing wire casing 302 outward projection 34 is for changingThe direction of coil lead. As shown in Figure 1, 2, stop projection 34 towards inside lead groove 301 or draw outwardLine outlet groove 302 is provided with 341, the first inclined-planes 34, the first inclined-plane and is tilted to outer setting towards slope 302a. StopProjection 34 is set to bevel feature, prevents coil lead hanging wire not in winding process.
As shown in Figure 3, inside lead groove 301 and draw wire casing 302 outward and be symmetricly set in coil rack 3Both sides. Inside lead groove 301 and draw wire casing 302 outward and be symmetrical arranged, appearance looks elegant, is convenient to processing; WhenSo inside lead groove 301 and draw wire casing 302 outward and also can oppositely arrange. Stop that projection 34 is symmetricly set inThe both sides of coil rack 3. Stop projection 34 with corresponding inside lead groove 301 and draw wire casing 302 outward togetherTime symmetric design, appearance looks elegant, be convenient to processing.
As shown in Figure 4,5, the utility model contactor, contact support 4 is provided with main contact installing rack 4a, mainThe moving contact that contact installing rack 4a is provided with for moving contact is installed is installed cavity 41, and moving contact two ends extend to tactileHead is supported 4 both sides; Also comprise the spring 42 for fixing moving contact, spring 42 one end compress moving contact peaceThe moving contact of dress cavity 41 one end, the other end is installed cavity 41 other end sidewalls with moving contact and is fixedly connected with,Contact support 4 moving contact install the other end of cavity 41 be provided be convenient to that the other end of spring 42 packs into theTwo inclined-planes 43. The utility model probe of contactor is supported on the end face of mounting spring the second inclined-plane is set, forSpring fitting guiding, the installation of being convenient to spring is fixed.
As shown in Figure 4, contact support 4 is provided with three main contact installing rack 4a and an auxiliary contact installationFrame 4b, auxiliary contact installing rack 4b is located at a side of three main contact installing rack 4a, and each main contact is installedFrame 4a is provided with a moving contact cavity 41 is installed, and auxiliary contact installing rack 4b is provided with two auxiliary contactsCavity 44 is installed. Also comprise auxiliary contact, a side of contact support 4 is provided with auxiliary contact installing rack 4b, auxiliaryHelp contact installing rack 4b to be provided with auxiliary contact cavity 44 is installed, also comprise secondary spring 47, secondary springOne end of 47 compresses auxiliary contact installs the auxiliary contact of cavity 44 one end, and the other end and auxiliary contact are installed emptyChamber 44 other end sidewalls are fixedly connected with, and the other end that contact support 4 is installed cavity 44 at auxiliary contact is provided withBe convenient to the 3rd inclined-plane 45 that secondary spring 47 other ends pack into. One side of contact support 4 is also provided with auxiliary contactInstalling rack is used for installing auxiliary contact, and contact is supported on the end face that secondary spring 47 is installed the 3rd inclined-plane is set45, the installation of being convenient to secondary spring is fixed.
As shown in Figure 4, contact support 4 is installed the both sides of cavity 41 at moving contact and is provided with and is convenient to spring 42 and fillsThe 4th inclined-plane 48 entering; Contact support 4 is provided with and is convenient to secondary spring in the both sides of auxiliary contact installation cavity 4447 the 5th inclined-planes 49 that pack into. The both sides that contact support 4 is installed cavity 41 at moving contact arrange the 4th inclined-plane,The 5th inclined-plane 49 is set helping contact that the both sides of cavity 44 are installed, when spring 42 or secondary spring 47 are at dressWhile entering run-off the straight, can install smoothly fixing.
As shown in Figure 4,5, the second inclined-plane 43 and or the 3rd inclined-plane 45 and or the 4th inclined-plane 48 and the or the 5thInclined-plane 49 is straight inclined-plane. The second inclined-plane 43 and or the 3rd inclined-plane 45 and or the 4th inclined-plane 48 and the or the 5thInclined-plane 49 can be also circular arc inclined-plane. One end that moving contact is connected with spring 42 is provided with the first location convex closure,The other end sidewall that moving contact is installed cavity 41 is provided with the second location convex closure fixing with the other end of spring 42411. Cavity 41 is installed with first location convex closure and the moving contact of moving contact one end respectively in the two ends of spring 42The second location convex closure 411 of other end sidewall connects, and the two ends of spring 42 are corresponding fixing, and stabilized structure is reliable.One end that auxiliary contact is connected with secondary spring 47 is provided with the 3rd location convex closure, and auxiliary contact is installed cavity 44Other end sidewall be provided with the four location convex closure 441 fixing with the other end of secondary spring 47. Secondary springThe other end of convex closure and auxiliary contact installation cavity 44 is located respectively at 47 two ends with the 3rd of auxiliary contact one endThe 4th location convex closure 441 of sidewall connects, and the two ends of secondary spring 47 are all corresponding fixing, and stabilized structure is reliable.
As shown in Figure 4, one end of contact support 4 is provided with syndeton 46, and syndeton 46 comprises two phasesTo being provided with the company that connects two coupling hooks 461 between 461, two coupling hooks 461 of coupling hook that arrangeConnect bar 462, syndeton 46 supports 4 one end that are connected to form hook through hole 463, other end shape with contactBecome convex shape groove 464. The other end sidewall of contact support 4 is provided with and is connected the connecting through hole coordinating with armature401, the bottom of connecting through hole 401 is provided with and connects boss 402.
As Figure 6-9, the utility model contactor, also comprises arc extinction part 5 and static contact, and pedestal 2 is establishedThere is the interpolar dividing plate 21 of separating every utmost point conducting system, the both sides sidewall vertical distribution of interpolar dividing plate 21 and pedestal 2,Arc extinction part 5 is fixed between two interpolar dividing plates 21 of every utmost point and a corresponding side sidewall, the both sides sidewall of pedestal 2Be provided with the static contact installation cavity 22 that static contact is installed, static contact is installed empty through static contact from pedestal 2 outsidesThe inside of pedestal 2 is stretched in chamber 22, and the both sides of static contact installation cavity 22 madial walls are provided with static contact to be fixedThe fixing lug boss 23 coordinating. The utility model contactor, arranges solid by the both sides that cavity is installed at static contactDetermine boss static contact is fixed, stabilized structure is reliable.
As shown in Figure 6, arc extinction part 5 is also fixing by fixing lug boss 23. Fixing lug boss 23 is simultaneously to arc extinguishingPart fixes, and rationally utilizes the fixing lug boss newly increasing, and ensures contact, and arc extinction part is in place,Reduce rocking of contact and arc extinction part.
As Figure 7-9, fixing lug boss 23 is provided with static contact and fixes towards installation direction one side of static contactThe first fixed groove 231, static contact extends and is provided with the first fixed groove 231 card coordinating is installed to both sidesButton piece. The buckle piece of the both sides of static contact is installed and is coordinated with the first fixed groove 231, limits on the one hand stationary contactThe installation site of head, fixes static contact on the other hand.
As shown in Figure 9, between the interpolar dividing plate 21 of fixing lug boss 23 and corresponding side, formation is solid with arc extinction part 5Fixed the second fixed groove 232 coordinating. 5 of arc extinction parts are consolidated by fixing lug boss 23 and second of respective side wallsDetermine groove 232 fixing, stabilized structure, difficult drop-off.
As shown in figure 10, the utility model contactor, base 1 comprises the pony sill 11 of an end opening, baseFrame 11 lateral wall bottoms are extended and are provided with fixed head 12 to both sides, and contactor is fixing by fixed head 12; BaseBetween the lateral wall of frame 11 and fixed head 12, be connected with the reinforcement 13 that increases base 1 intensity. This practicality is newOn the fixed head of type contactor by the lateral wall at pony sill and pony sill both sides, reinforcement is set, has solvedThe problem of Foundation Plate of Contactor impact resistance deficiency, has improved product quality, reduces repair rate.
As shown in figure 10, fixed head 12 comprises fixed head upper side 121, and pony sill 11 arranges fixed head 12Lateral wall and the common right angle lateral wall 14 that forms of fixed head upper side 121; Reinforcement 13 protrudes is located at right angleThe two ends of lateral wall 14. Reinforcement 13 protrudes the position of being located at base 1 stressed maximum, and outside right angleThe two ends of sidewall 14 arrange simultaneously, increase the intensity of base, improve the quality of products. Reinforcement 13 is located at solidDetermine four bights that plate 12 is connected with pony sill 11.
As shown in figure 10, reinforcement 13 is L shaped supporting foot structure, comprises that being positioned at pony sill 11 arranges fixingThe first strengthening segment 131 and second strengthening segment 132 that is positioned at fixed head upper side 121 of the lateral wall of plate 12.The turning point of reinforcement 13 is rounded corner. The turning point of reinforcement 13 is made as rounded corner, is beneficial to working of plasticsFlow and reduce stress. The first strengthening segment 131 and pony sill 11 arrange that the lateral wall of fixed head 12 is connectedBottom is extended and is provided with the first reinforcing chamfer 1311 to both sides. The first strengthening segment 131 connects with the lateral wall of pony sillThe bottom connecing arranges the first reinforcing chamfer 1311, strengthens reinforcement and being connected of base and flowing of material. SecondThe bottom that strengthening segment 132 is connected with fixed head upper side 121 is extended and is provided with the second reinforcing chamfer 1321 to both sides.Strengthen being connected and the flowing of material between reinforcement and fixed head. Reinforcement 13 is one-body molded with base 1.
As shown in figure 10, the middle part of the fixed head 12 of base 1 is provided with screw hole 122; Screw hole 122 is " 8 "Font. Also comprise the yoke being placed in base 1, in base 1, be provided with the yoke mounting groove for yoke is installed101; The both sides extension of yoke mounting groove 101 is provided with and the vertically arranged shockproof groove 102 of yoke mounting groove 101.In base 1, be provided with coil rack fixed leg 15; Coil rack fixed leg 15 is located at two of yoke mounting groove 101Side; Coil rack fixed leg 15 comprises orthogonal the first fixed flat planar 151 and the second fixed flat planar 152,The bight that the middle part of the first fixed flat planar 151 is provided with U-shaped groove 1511, the second fixed heads 152 is provided with right angleBreach 1521.
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 (10)
1. a contactor, comprises base (1) and is installed on the pedestal (2) on base (1), its spyLevy and be: also comprise arc extinction part (5) and static contact, described pedestal (2) is provided with separates every utmost point conducting systemInterpolar dividing plate (21), the both sides sidewall vertical distribution of described interpolar dividing plate (21) and pedestal (2),Described arc extinction part (5) is fixed between two interpolar dividing plates of every utmost point (21) and a corresponding side sidewall, pedestal(2) both sides sidewall is provided with the static contact installation cavity (22) that static contact is installed, and static contact is from pedestal (2)The inside of pedestal (2) is stretched in outside through static contact installation cavity (22), static contact is installed cavity (22)The both sides of madial wall are provided with the fixing lug boss (23) with static contact secure fit.
2. contactor according to claim 1, is characterized in that: described arc extinction part (5) is by solidDetermine boss (23) fixing.
3. contactor according to claim 1 and 2, is characterized in that: described fixing lug boss (23)Be provided with first fixed groove (231) fixing with static contact towards installation direction one side of static contact, described inStatic contact extends to be provided with the first fixed groove (231) to both sides installs the buckle piece coordinating.
4. contactor according to claim 2, is characterized in that: described fixing lug boss (23) and phaseAnswer the second fixed groove (232) forming between the interpolar dividing plate (21) of side with arc extinction part (5) secure fit.
5. contactor according to claim 1, is characterized in that: also comprise coil rack (3),Coil rack (3) comprises the wrapping post (31) at middle part and the coil end plate that wrapping post (31) two ends arrange(32), the coil end plate (32) of coil rack (3) one end coordinates with base (1) and pedestal (2)Connect, other end coil end plate (32) is connected with base (1) bottom.
6. contactor according to claim 5, is characterized in that: one of described coil rack (3)End-coil end plate (32) extends and is provided with coil rack installing plate (35), base (1) opening one to both sidesEnd extends to be provided with coil rack installing plate (35) to both sides installs the floor installation plate (17) coordinating, instituteThe sidewall of stating base (1) is provided with coil rack installing plate (35) is stopped to spacing the first positive stop (16).
7. contactor according to claim 6, is characterized in that: described the first positive stop (16)Comprise that floor installation plate (17) both sides sidewalls extends the of restriction installing plate side plate (352) displacement that arrangesOne postive stop baffle (161) and floor installation plate (17) one end sidewall extend the restriction installing plate base plate arranging(351) displacement with vertically disposed the second postive stop baffle of the first postive stop baffle (161) (162).
8. contactor according to claim 5, is characterized in that: described pedestal (2) and coil boneOne end that the coil end plate (32) of frame (3) one end connects is extended and is provided with and coil rack installing plate to both sides(35) pedestal mounting plate (26) coordinating is installed, the sidewall of described pedestal (2) is provided with coil rackInstalling plate (35) carries out spacing the second positive stop (25).
9. contactor according to claim 8, is characterized in that: described the second positive stop (25)Comprise that pedestal mounting plate (26) both sides sidewalls extends the of restriction installing plate side plate (352) displacement that arrangesThree postive stop baffles (251) and pedestal mounting plate (26) one end sidewall extend the restriction installing plate base plate arranging(351) displacement with vertically disposed the 4th postive stop baffle (252) of the 3rd postive stop baffle (251).
10. contactor according to claim 5, is characterized in that: described pedestal (2) one end arrangesBuckle rib (24), the upper buckle projection arranging of described coil rack (3) one end coil end plate (32)(36); Described coil rack (3) is provided with and holds buckle rib (24) in a side of buckle projection (36)The first pockets (361), buckle rib (24) is placed in the first pockets (361), one endBuckle projection (36) institute that is received groove (361) one sides is spacing, and the other end is by the first pockets (361)Opposite side sidewall institute spacing.
Priority Applications (1)
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| CN201520948755.4U CN205264615U (en) | 2015-11-25 | 2015-11-25 | Contactor |
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| CN201520948755.4U CN205264615U (en) | 2015-11-25 | 2015-11-25 | Contactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018113116A1 (en) * | 2016-12-20 | 2018-06-28 | 浙江正泰电器股份有限公司 | Contactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018113116A1 (en) * | 2016-12-20 | 2018-06-28 | 浙江正泰电器股份有限公司 | Contactor |
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