CN205264614U - Contactor - Google Patents

Abstract

The utility model provides a contactor, includes the base, sets up yoke and coil in the base, the both sides of coil are equipped with the lug mounting groove of installation lug, in two lugs insert coil skeleton's lug mounting groove from both sides, be equipped with on the lug with the lug mounting groove in the lug buckle be connected of lug draw -in groove. The utility model discloses a contactor expands coil mode of connection, convenient assembling safety through the lug that the edgewise inserted coil skeleton.

Description

Contactor

Technical field

The utility model belongs to Low Voltage Electrical Apparatus, is specifically related to a kind of contactor.

Background technology

Contactor rated operational current 100A and above model, because requiring its disjunction power larger, so executing agency is logicalOften bear very large impulsive force, the counter-force of bearing is also larger, and therefore very easily wearing and tearing reduce its reliability, comprises yoke, touchesExecuting agency's parts such as head support, armature. Meanwhile, there is iron loss, the consumption of copper loss homenergic and coil in yoke in the time of coil electricityThe special delivery of heating energy, makes yoke become the main thermal source of contactor, and this just requires the heat radiation of the yoke institution where he works good, again can not simultaneouslyReduce its degree of protection.

And, the complex structure of existing contactor, efficiency of assembling, lacks corresponding protection structure. Coil is consolidated baseThe fixed general structure by self has coordinated with base body, and this cooperation is stiff, and nothing cushions, and makes matching part greatly early than notPosition damage. It is firm not that coil rack assembles in pedestal, and the friction that the shake of coil rack produces can reduce pedestalService life. Flash barrier in contactor, side are hung auxiliary contact group mounting structure complexity, difficult operation. In addition existing contactor,Also exist winding wiring terminal few, wiring inconvenience, the problem such as arc extinguishing efficiency is poor.

Summary of the invention

The purpose of this utility model is to overcome the defect of prior art, provide a kind of simple in structure, reliability is high, assemblingThe contactor that efficiency is high.

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

A kind of contactor, comprises base 11, is arranged on yoke 12 and coil 13 in base 11, the both sides of described coil 13Be provided with the lug plate mounting groove that lug plate 17 is installed, two lug plates 17 insert the lug plate installation of coil rack 1301 from both sidesIn groove, lug plate be provided with lug plate mounting groove in the lug plate buckle 1702 that is connected of lug plate draw-in groove 1307.

Preferably, described lug plate 17 two ends are respectively provided with a terminal screw installing hole 1701, one side sides and are provided with two TThe lug plate buckle 1702 of type, opposite side side is provided with 1703 points of 1703, four enamel-covered wire joint pins of four enamel-covered wire joint pinsBe two groups, two every group; Two T-shaped lug plate buckles 1702 and two groups of enamel-covered wire joint pins 1703 are with respect to line sheet median plane1704 are symmetrical arranged.

Preferably, described lug plate buckle 1702 comprises the triangle of front end or trapezoidal buckle Access Division 17021, andThe buckle connecting portion 17022 being connected with buckle Access Division 17021, the width of buckle connecting portion 17021 is less than buckle Access Division17021; Described lug plate draw-in groove 1307 comprises the rectangle draw-in groove 13071 coordinating with buckle Access Division 17021 and connects with buckleConnect the draw-in groove inclined-plane opening 13072 of portion's 17022 correspondences.

Preferably, terminal screw groove 1304 places of described coil 13 are provided with terminal screw protective cover 16.

Preferably, described terminal screw protective cover 16 comprises the protective block coordinating with the terminal screw groove 1304 of coil 131601, and prolong protective block 1601 roofs the first protective plate 1602 extending and second protection of prolonging protective block 1601 sidewalls extensionsPlate 1603 is provided with protective cover boss 1604 on the first protective plate 1602 bottom surfaces, on the second protective plate 1603 both sides sides, establishesThere is the protective cover chimb 1605 that fastens coil; On coil 13, be provided with the protective cover draw-in groove coordinating with protective cover boss 16041305, on the side of terminal screw groove 1304 both sides, side, be provided with the side groove 1306 coordinating with protective cover chimb 1605.

Preferably, described base 11 entirety form the cavity that holds coil 13, and coil 13 is enclosed within yoke 12, and coil 13 is wholeBody is sunken in base 11, and coil 13 two ends are provided with two baffle plates, and utilizes the base wall 1108 of base 11 two ends and both sides, two endsDo position-limit mechanism.

Preferably, 12 one-tenth E types of described yoke, place in yoke 12 opening one side direction of E type, and the bottom surface of yoke 12 is arranged onOn seat 11 base plates, the both sides of yoke 12 are provided with yoke bolster 14, and base 11 base plates are provided with and coordinate with yoke bolster 14Yoke buckle 1103, base 11 is fixed on yoke 12 in base 1 by yoke bolster 14 and yoke buckle 1103, and coil 13 is pacifiedBe contained in yoke 12, the yoke arm of yoke 12 1202 is through coil 13, divides in the two bottom sides of the coil rack 1301 of coil 13The not corresponding coil limited impression 1302 coordinating with yoke bolster 14 that is provided with, by coil limited impression 1302 and yoke bufferingPart 14 fixed coils.

Preferably, also comprise pedestal 21, be arranged on the contact supporting assembly 22 in pedestal 21; The sky of pedestal 21 and base 11Chamber is fixedly connected with relatively, and contact supporting assembly 22 is arranged on coil 13, armature 2204 and yoke on contact supporting assembly 2212 are oppositely arranged, and the coil 13 of contactor can drive armature 2204 to be with moving contact support module 22 to slide up and down, and realizes contactorDisjunction; Corresponding position at pedestal 21 inner four angles is provided with four protruding coil baffle plates 2102, pedestal 21 and base11 four coil baffle plates 2102 while installing are pushed down four angles of the coil 13 being arranged in base 11, and coil 13 is fixed on to contactIn the housing of device.

Preferably, described contact support module 22 comprises contact support 2201, contact support spring 2202, contact bolster2203, armature 2204, contact support transverse axis 2205 and contact to support slide block 2206, and contact supports 2201 one end and armature 2204 to connectConnect, the other end is provided with movable contact bridge, and both sides are provided with contact and support slide block 2206, in contact support 2201 and armature 2204 cooperation placesBe provided with the contact support spring 2202 and the contact bolster 2203 that absorb the impulsive force of armature to contact support; Contact is supported horizontalAxle 2205 is through armature 2204 bottom installing holes, and two ends are connected with contact support slide block 2206, on pedestal 21 both sides sidewallsAlso be provided with the contact of contact support module 22 and support the slideway 2107 that slide block 2206 coordinates.

Preferably, be provided with the liner 25 of cushioning effect at pedestal 21 inner support contact support module 22 places, at pedestal 21Inside be provided with the liner installing hole 2101 that liner 25 is installed, liner 25 is arranged in liner installing hole 2101 by liner snap fit 2502Clamping is installed; Described liner 25 comprises pad 2501, be positioned at two liner snap fits 2502 and the position at pad 2501 middle parts, bottom surfacesIn two liner support protrusion 2503 at pad 2501 two ends, bottom surface; In the liner installing hole 2101 of pedestal 21, be provided with and liner cardHook the 2502 liner draw-in grooves 21011 that coordinate, be provided with propping up of coordinating with liner support protrusion 2503 in liner installing hole 2101 both sidesSupport groove 21012.

Contactor of the present utility model expands winding wiring mode by the lug plate that inserts from the side coil rack, assemblingConvenient and safe. Be provided with terminal screw protective cover at terminal screw place to ensure personal security, by base side wall and pedestalCoil baffle plate fixes coil. Buckle in this outer base coordinates the yoke realizing with the yoke bolster in yokeFixing and buffer protection, coil rack also fixes by yoke bolster, plays coil rack protection simultaneouslyEffect. On the contact-making surface of floor installation yoke, be provided with bottom heat radiation hole, can dispel the heat and can prevent that outside foreign material from entering baseIn. The outside that the outside of base plate is provided with base plate coordinates the installation that realizes two interlocking fixed mechanisms with joint cover.

Brief description of the drawings

Fig. 1 is the structure chart of the base assembly of the utility model contactor;

Fig. 2 is the structure chart of the base assembly of the utility model contactor;

Fig. 3 is the structure chart of the arc-extinguish chamber assembly of the utility model contactor;

Fig. 4-5th, the assembling schematic diagram of the utility model base and yoke;

Fig. 6 is the assembling schematic diagram of the utility model coil;

Fig. 7-8th, the utility model base and joint cover assembling schematic diagram;

Fig. 9 is the assembling schematic diagram of the utility model coil and protective cover;

Figure 10-12nd, the structure chart of the utility model protective cover;

Figure 13-14th, the assembling schematic diagram of the utility model coil and lug plate;

Figure 15-17th, the assembling schematic diagram of the utility model pedestal and liner;

Figure 18-19th, the structure chart of the utility model pedestal;

Figure 20-21st, the structure chart of the utility model contact supporting assembly;

Figure 22 is the structure chart that the utility model contact is supported;

Figure 23 is the structure chart that the utility model contact is supported slide block;

Figure 24-26th, the assembling schematic diagram of the utility model arc-extinguish chamber and arc extinguishing cover cap;

Figure 27-28th, the structure chart of the utility model short arc sheet;

Figure 29-31st, the structure chart of the utility model auxiliary contact group traction piece;

Figure 32-33rd, the structure chart of the utility model pin rod;

Figure 34 is the assembling schematic diagram of the utility model pin rod;

Figure 35 is the structure chart of the utility model dust cap.

Detailed description of the invention

The embodiment providing below in conjunction with accompanying drawing 1 to 35, further illustrates the concrete enforcement of contactor of the present utility modelMode. Contactor of the present utility model is not limited to the description of following examples.

As Figure 1-3, A.C. contactor of the present utility model comprises base assembly 1, base assembly 2 and arc-extinguish chamber assembly3, base assembly 2 is arranged on base assembly 1, and arc-extinguish chamber assembly 3 is arranged on base assembly 2. Described base assembly 1 comprises the endSeat 11, be arranged on yoke 12 and coil 13 in base 11, yoke 12 is arranged on the base plate of base 11, coil 13 is arranged on the endIn seat 11, be positioned at yoke 12 tops. Described base assembly 2 comprises pedestal 21, is arranged on the contact support module 22 in pedestal 21Auxiliary contact group 24 with being arranged on pedestal 21 sidewalls, is provided with flash barrier 23 at the two ends of pedestal 21. Described arc-extinguish chamber assembly 3Comprise arc-extinguish chamber 31, arc extinguishing cover cap 32, dust cap 33, short arc sheet 34, auxiliary contact group traction piece 35, pin rod 36. Arc-extinguish chamber 31Be arranged on pedestal 21, arc extinguishing cover cap 32 is arranged on the arc extinguishing sky that is fixedly connected to form contactor on arc-extinguish chamber 31 by pin rod 36Between. Three short arc sheets 34 of three-phase contactor are installed on arc-extinguish chamber 31, and same phase the two poles of the earth arc-chute is connected by a short arc sheet 34,Short arc sheet 34 in the middle of being positioned at is provided with auxiliary contact group traction piece 35.

As Figure 4-Figure 6, described base 11 base plates are provided with yoke buckle 1103, for hooking the magnetic that is contained in base 11Yoke 12, the both sides of yoke 12 are being provided with yoke bolster 14 with yoke buckle 1103 cooperation places, by yoke bolster 14 and magnetic1103 clampings of yoke buckle, this yoke bolster 14 connects yoke 12 and base 11, and yoke 12 is fastening with base 11 firmly. ?The both sides of yoke 12 are provided with the yoke projection 1201 that yoke bolster 14 is installed, and the yoke bolster 14 of rubber is enclosed within yoke projectionOn 1201. Described yoke bolster 14 comprises the first buffer stopper coordinating with yoke buckle 1103 in the middle of integrated being positioned at1401 and be connected to second buffer stopper 1402 for spacing coil 13 of the first buffer stopper 1401 both sides. The first buffer stopper 1401Volume be less than the second buffer stopper 1402, the first buffer stoppers 1401 and the second buffer stopper 1402 is cylindrical. At coil 13The two bottom sides of coil rack 1301 is the corresponding coil limit coordinating with the second buffer stopper 1402 of yoke bolster 14 that is provided with respectivelyPosition groove 1302 and the buckle slot 1303 that holds the first buffer stopper 1401 and yoke buckle 1103.

12 one-tenth E types of described yoke, place in yoke 12 opening one side direction of E type, and the bottom surface of yoke 12 is arranged on base 11On base plate, the yoke pole-face in the middle of the bottom surface of yoke 12 comprises and the inclined-plane at two ends, described base 11 base plates are provided with respectivelyThe yoke mounting groove 1101 coordinating with the inclined-plane at yoke pole-face and two ends and convex tendon 1105, when installation, yoke pole-face is positioned at yoke peaceIn tankage 1101, the inclined-plane at two ends leans against on the convex tendon 1105 at yoke mounting groove 1101 two ends, and yoke buckle 1103 is pacified from yokeYoke 12 is blocked by the first buffer stopper 1401 in tankage 1101 both sides. On base 11 base plates, be provided with bottom heat radiation hole 1102, the endPortion's louvre 1102 is arranged on the contact-making surface of base 11 base plates and yoke, in yoke mounting groove 1101, is provided with bottom heat radiation hole1102, bottom heat radiation hole 1102 is multiple, and the area that multiple bottom heat radiations hole 1102 surrounds is less than yoke 12 at 11 ends of baseThe area of institute's projection on plate, had so not only ensured the heat radiation of yoke but also had well prevented that outside foreign material from entering the yoke utmost point in baseFace. Also can be provided with louvre in base 11 both sides, form three groups of holes, three groups of holes, one end of both sides.

When installation, the first buffer stopper 1401 of yoke bolster 14 and the second buffer stopper 1402 are enclosed within three magnetic of yoke 12In yoke projection 1201, yoke 12 is installed in yoke mounting groove 1101, the first buffer stopper in the middle of yoke buckle 1103 is stuck inOn 1401, complete the preliminary of yoke 12 fixed. Coil 13 is arranged in yoke 12, and the yoke arm 1202 of the yoke 12 of E type is wornCross coil 13, the yoke mounting groove 1101 of coil rack 1301 both sides of coil 13 covers on the second buffer stopper 1402 coil 13Carry out spacingly, in buckle slot 1303, accommodate the first buffer stopper 1401 and yoke buckle 1103, in yoke buckle 1103 outsidesBeing positioned at closure plate 1104 on base 11 coordinates with buckle slot 1303 and buckle slot 1303 is sealed and carry out spacing to coil 13.

The base of the utility model contactor is provided with fastening type structure, and for hooking the yoke being mounted in it, yoke existsThe yoke bolster that rubber is housed with the yoke place of being clasped is protected, and coil rack is put in yoke bolster top, utilizesThe shape of the yoke bolster of this rubber is with fixed coil, and further fixing to yoke, the yoke bolster in yoke exceptConnect base, can also serve as the position-limit mechanism of coil rack, fixed coil also plays a protective role to coil rack, structure letterList, assembling aspect and long service life.

As Figure 7-8, be provided with in the outside of base 11 base plates of A.C. contactor the rectangle coordinating with joint cover 15 protrudingPlatform 1106 and the first screw hole 1107, in order to coordinate interlocking mechanism be installed with joint cover 15; Respectively distinguish at base 11 base plate two endsBe provided with three place's rectangular boss 1106 and two the first screw holes 1107, rectangular boss 1106 is provided with counterbore 11061, three place's rectanglesBoss 1106 and two the first screw holes 1107 be arranged in parallel, and two the first screw holes 1107 lay respectively at three place's rectangular bossIn two gaps between 1106; Joint cover 15 is provided with the rectangular opening coordinating with rectangular boss 1106 and the first screw hole 1107With the second screw hole. As shown in Figure 8, two A.C. contactors are fixed on joint cover 15 side by side, by base 11 separately respectively withJoint cover 15 is fixedly connected with, and is realized location and is propped up by the rectangular opening on rectangular boss 1106 and joint cover 15 on base 11Support, screw is fixed contactor and joint cover 15 by the first screw hole 1107 and the second screw hole, realizes two interlockings fixingThe installation of mechanism.

As shown in Fig. 6,9-12, described base 11 entirety form the cavity that holds coil 13, and coil 13 is enclosed within yoke 12,Coil 13 entirety are sunken in base 11, and coil 13 two ends are provided with two baffle plates, and utilize the end of base 11 two ends and both sides, two endsSeat wall 1108 does position-limit mechanism, has limited like this coil 13 all frees degree in a plane. At the installation wiring spiral shell of coil 13Nail place, terminal screw groove 1304 places are provided with terminal screw protective cover 16. Described terminal screw protective cover 16 comprises and coilThe protective block 1601 that 13 terminal screw groove 1304 coordinates, and prolong the first protective plate 1602 Hes that protective block 1601 roofs extendProlong the second protective plate 1603 that protective block 1601 sidewalls extend, on the first protective plate 1602 bottom surfaces, be provided with protective cover boss1604, on the second protective plate 1603 both sides sides, be provided with the protective cover chimb 1605 that fastens coil. On coil 13, be provided withThe protective cover draw-in groove 1305 that protective cover boss 1604 coordinates is provided with and protects on the side of terminal screw groove 1304 both sides, sideThe side groove 1306 that lid chimb 1605 coordinates. When installation, protective block 1601 is arranged in terminal screw groove 1304,1601 ends of protective blockBetween portion and terminal screw groove 1304 bottoms, leave the space that holds screw, the protective cover boss 1604 on the first protective plate 1602Insert in the protective cover draw-in groove 1305 of coil 13, protective cover chimb 1605 fastens coil 13 by side groove 1306. This practicality is newThe contactor of type expands winding wiring mode, safety easy to assembly by the lug plate that inserts from the side coil rack. In wiringScrew place is provided with terminal screw protective cover to ensure personal security, by the coil baffle plate in base side wall and pedestal, coil is enteredRow is spacing fixing.

As shown in Figure 13-14, coil rack 1301 both sides of coil 13 are provided with inserts connecing of coil rack 1301 from the sideLine sheet 17, lug plate 17 two ends are respectively provided with a terminal screw installing hole 1701, one side sides and are provided with two and coil rackThe lug plate buckle 1702 of 1301 clampings, opposite side side is provided with 1703, two one group totally two groups of four enamel-covered wire joint pins, oneAn enamel-covered wire binding post 1703 in group is for being fastened, and another enamel-covered wire binding post 1703 is for welding, and two T-shapedLug plate buckle 1702 and two groups of enamel-covered wire joint pins 1703 be symmetrical arranged with respect to line sheet median plane 1704. Two of coil 13Side is provided with the lug plate mounting groove that lug plate 17 is installed, and lug plate mounting groove is coordinating the position of T-shaped lug plate buckle 1702Upper, extend again two T-shaped lug plate draw-in grooves 1307 more a little bigger a little than lug plate buckle 1702, for coordinating lug plate cardDetain 1702 link sheets 17. Described lug plate buckle 1702 comprises the triangle of front end or trapezoidal buckle Access Division17021, with the buckle connecting portion 17022 being connected with buckle Access Division 17021, the width of buckle connecting portion is less than buckle Access Division17021; Described lug plate draw-in groove 1307 comprises the rectangle draw-in groove 13071 coordinating with buckle Access Division 17021 and connects with buckleThe draw-in groove inclined-plane opening 13072 that connects portion's 17022 correspondences, lug plate buckle 1702 inserts rectangle by draw-in groove inclined-plane opening 13072Fixing in draw-in groove 13071.

As shown in Figure 15-17, in pedestal 21, be provided with the cavity that holds contact support module 22, the sky of pedestal 21 and base 11Chamber is fixedly connected to form the housing of contactor relatively, and yoke 12, coil 13 and contact support module 22 are arranged in housing. BaseYoke 12 is installed in 11 and is arranged on the coil 13 in yoke 12, contact supporting assembly 22 is arranged in pedestal 21, pedestal 21Be connected with base 11, contact supporting assembly 22 is arranged on coil 13; Corresponding position at pedestal 21 inner four angles is provided withFour protruding coil baffle plates 2102, push down four angles of the coil 13 being arranged in base 11, and coil 13 is fixed on to contactIn the housing of device.

At pedestal 21 inner support contact support module 22 places, the installation initial position of contact support module 22, is provided with twoThe liner 25 of individual cushioning effect, impulsive force while reset to reduce contact support. In pedestal 21, be provided with two liners 25 are installedTwo place's liner installing holes 2101, liner 25 is arranged in liner installing hole 2101, is arranged on 2101 clampings of liner installing holeImpact capacity when contact support module 22 and the sports limiting of pedestal 21 are sentenced and absorbed contact support module 22 and reset. DescribedLiner 25 comprises pad 2501, is positioned at two liner snap fits 2502 at pad 2501 middle parts, bottom surface and is positioned at pad 2501 bottom surfaces twoTwo liner support protrusion 2503 of end are provided with two arc convex closures 2504 on pad 2501 end faces. The liner peace of pedestal 21Dress is provided with the liner draw-in groove 21011 coordinating with liner snap fit 2502 in hole 2101, is provided with and serves as a contrast in liner installing hole 2101 both sidesThe support slot 21012 that pad support protrusion 2503 coordinates. On pedestal 21 both sides sidewalls, be also provided with contact support module 22 touchHead is supported the slideway 2107 that slide block 2206 coordinates.

As shown in Figure 18-19, the A.C. contactor of the present embodiment is multipole contactor, heterogeneous contact device on pedestal 21Between each utmost point terminal plate, be connected with flash barrier 23, increase ramp creep age distance by flash barrier 23. At pedestal 21 cavitysThe two ends of base plate outer wall are respectively respectively equipped with three for the wiring board slot 2103 of terminal plate is installed, and are respectively connecing of three-phase contactorLine plate, between adjacent wiring board slot 2103, is positioned at pedestal 21 base plate two ends sidewalls and is provided with the first flash barrier mounting groove2104, flash barrier 23 can insert from the first flash barrier mounting groove 2104 one end opening parts, and utilize the installing hole of pedestal and withIt is limited in securely this position by pedestal mating parts (as: arc-extinguish chamber). At arc-extinguish chamber 31 correspondence positions of arc-extinguish chamber assembly 3Be provided with the second flash barrier mounting groove 3102, when arc-extinguish chamber 31 is fixedly connected with pedestal 21, the two ends of flash barrier 23 insert respectivelyOne flash barrier mounting groove 2104 and the interior fixed installation of the second flash barrier mounting groove 3102. Described the first flash barrier mounting groove 2104 HesThe second flash barrier mounting groove 3102 is T-shaped mounting groove, and the side of described flash barrier 23 correspondences is T-shaped installation portion.

On the lateral wall of pedestal 21 both sides, be provided with the auxiliary assembling groove group 2105 for hanging auxiliary contact group 24, every groupAuxiliary assembling groove group 2105 comprises that two for coordinating the auxiliary assembling long recess 21051 of auxiliary buckle and two for spacingThe short groove 21052 of auxiliary assembling of auxiliary contact, the length of auxiliary assembling long recess 21051 is longer than the short groove of auxiliary assembling21052, four grooves make auxiliary contact group 24 be fixed on pedestal sidewall jointly. Lateral wall one end in pedestal 21 both sides is also provided withFor supporting the support rim 2106 of auxiliary contact group 24, be provided with supporting and location groove 21061 at support rim 2106 middle parts. At waterSquare upwards two short grooves 21052 of auxiliary assembling are between two auxiliary assembling long recess 21051; In vertical direction,Two auxiliary assembling long recess 21051 are between two short grooves 21052 of auxiliary assembling and support rim 2106.

As shown in Figure 20-21, contact support module 22 comprises that contact support 2201, contact support spring 2202, contact delayStamping 2203, armature 2204, contact support transverse axis 2205, contact to support slide block 2206. Contact is supported 2201 one end and armature2204 connect, and the other end is provided with movable contact bridge, and both sides are provided with contact and support slide block 2206, at contact support 2201 and armature 2204Cooperation place is provided with contact and supports spring 2202 and contact bolster 2203, and when absorbing armature adhesive, armature props up contactThe impulsive force of holding. Contact supports transverse axis 2205 through armature 2204 bottom installing holes, and two ends and contact support slide block 2206 companiesConnect, support the transverse axis convex closure 22052 at transverse axis 2205 two ends and armature 2204 to push buffering contact between contact support 2201 by contactSupport the counter-force that spring 2202 produces, be fixed in contact and support in slide block 2206. Contact supports slide block 2206 as contactSupport module 22 movement parts guides, are free to slide it in accordance with regulations. 2204 one-tenth E fonts of armature, opening one end and yoke 12 are openedMouth one end is oppositely arranged, and the coil 13 of contactor can drive armature 2204 to be with moving contact support module 22 to slide up and down, and realization connectsThe disjunction of tentaculum.

As shown in Figure 20-21, described contact bolster 2203 is cylindrical, and an end side surface is provided with the buffering of multiple circlesProjection 22031, the other end is provided with bolster mounting groove 22032, is provided with bolster boss 22033 in bolster mounting groove 22032.Described contact is supported the strip that transverse axis 2205 is bent upwards slightly for middle part, and two ends are provided with contact supports slide block 2206 to joinThe transverse axis convex closure 22052 closing, contact is supported to be provided with step tooth between the middle part of transverse axis 2205 and the transverse axis convex closure 22051 at two ends22051。

As shown in figure 22, the first contact that described contact supports 2201 one end to be provided with installation armature 2204 is supported groove22011, contact bolster 2203 is arranged on the first contact and supports groove 22011 middle parts, supports in groove 22011 at the first contactPortion is provided with the first contact support boss 22012 coordinating with the bolster mounting groove 22032 of contact bolster 2203, touches firstIn support boss 22012, be provided with the second contact coordinating with bolster boss 22033 and support groove 22013; At the first contactSupport four angles place of groove 22011 to be provided with the 3rd contact support groove 22014 that four contacts support springs 2202 are installed. ?The both sides of contact support 2201 are provided with the 4th contact support groove 22016 that contact support slide block 2206 is installed, at the first contactThe sidewall of support boss 22012 is provided with contact supports the 5th contact that transverse axis 2205 coordinates to support groove 22015, the four to touchHead supports groove 22016 and the 5th contact to support that groove 22015 communicates.

As shown in figure 23, described contact supports that slide block connecting portion 22061 and slide block that slide block 2206 comprises that L-type arranges are slidingMoving portion 22062; Extend the slide block lug 22065 of assembling use in slide block connecting portion 22061 both sides, at slide block connecting portion 22061The sidewall being connected with contact support 2201 is provided with to be installed contact and supports the transverse axis draw-in groove 22063 of transverse axis 2205, is also provided with and theFour contacts are supported the slide block stopper slot 22064 that the projection in groove 22016 coordinates, and are connected with slide block at slide block sliding part 22062The top of portion 22061 junctions is provided with slide block fixing lug boss 22068. 22062 one-tenth convex of slide block sliding part, comprise the first rectangleThe side of portion 22066 and the second rectangular portion 22067, the first rectangular portion 22066 is the spigot surface coordinating with pedestal 21.

As shown in Figure 3, described arc-extinguish chamber assembly 3 comprises arc-extinguish chamber 31, arc extinguishing cover cap 32, dust cap 33, short arc sheet 34, auxiliaryHelp sets of contacts traction piece 35, pin rod 36. Arc-extinguish chamber 31 is arranged on pedestal 21, and arc extinguishing cover cap 32 is arranged on arc-extinguish chamber 31 and passes throughPin rod 36 is fixedly connected to form the arc extinguishing space of contactor. Three short arc sheets 34 of three-phase contactor are installed on arc-extinguish chamber 31,The arc-chute of same phase two poles is connected by a short arc sheet 34, and the short arc sheet 34 in the middle of being positioned at is provided with the traction of auxiliary contact groupPart 35. Arc extinguishing cover cap 32 tops are provided with through hole 3204, and auxiliary contact group traction piece 35 one end can pass from through hole 3204,Dust cap 33 seals to prevent that by through hole dust from entering contactor inside with the boss clamping on arc extinguishing cover cap 32.

As shown in Figure 24-26, arc-extinguish chamber assembly 3 be provided with between phase and phase arc structure, this arc structure is divided into goes outThe second arc block reinforcement 3201 on arc cover cap 32, and the first arc block reinforcement 3101, the first arc block reinforcements 3101 on arc-extinguish chamber 31With the mutual interlock of the second arc block reinforcement 3201, greatly increase creep age distance between phase and phase. Three short arc sheets 34 are arranged onOn arc-extinguish chamber 31, be equipped with in the both sides of each short arc sheet 34 that the first arc block reinforcement 3101 and the second arc block reinforcement 3201 formArc structure, two the first arc block reinforcement 3101 inner sides of each short arc sheet 34 both sides are provided with step surface, the second arc block reinforcementInterlock mutually on 3201 step surfaces that insert in the second arc block reinforcement 3201. Correspondence position at arc-extinguish chamber 31 two ends is provided with secondFlash barrier mounting groove 3102, the second flash barrier mounting grooves 3102 are fixed flash barrier with the first flash barrier mounting groove 2104 of pedestal 2123. On arc-extinguish chamber 31, be provided with the first pin rod hole 3103 that pin rod 36 is installed, on arc extinguishing cover cap 32, correspondence position is provided with pin rodErection column 3202.

As shown in Figure 27-28, the arc-chute of same phase two poles is connected by a short arc sheet 34,34 one-tenth of described short arc sheets" W " font, to shorten the arc time, has a bit of rectangular channel 3403 for contact traction is installed in short arc sheet 34 both sides, middle partPart 35. Short arc brace 3401 in the middle of short arc sheet 34 comprises and the crotch portion 3402 that is positioned at short arc brace two ends, at short arcThe both sides of brace 3401 are provided with rectangular channel 3403. Described short arc sheet 34 is one-body molded, and short arc brace 3401 two ends respectivelyAfter being bent downwardly, be bent upwards again and form crotch portion 3402, the end that crotch portion 3402 is bent upwards and short arc brace 3401 hang downStraight and higher than short arc brace 3401.

As shown in Figure 29-31, on the short arc sheet 34 in the middle of described auxiliary contact group traction piece 35 is arranged on, auxiliary contactGroup traction piece 35 is provided with the installation cavity 3501 of a rectangle, and installation cavity 3501 bases are provided with a little installation gap makes short arc sheet 34Can side and pack into, on the inwall that cavity 3501 is installed, be provided with the traction piece positioning convex coordinating with rectangular channel 3403, motionSpring 3503 is arranged on to be installed in cavity 3501, and one end is connected with short arc sheet 34, and the other end is connected with installation cavity 3501 bases.Auxiliary contact group traction piece 35 carries motion spring, provides counter-force to be resetted by main noddle on contactor support.

As shown in Figure 32-34, described pin rod 36, for fixing arc-extinguish chamber 31 and arc extinguishing cover cap 32, comprises pin rod axle and coverReaction spring composition on pin rod axle, is provided with the lock shaft of crossing pin rod axle in one end of pin rod axle, pin rod is screwed in and goes outIn the mechanism that arc cover coordinates, fixing arc-extinguish chamber 31 and arc extinguishing cover cap 32.

As shown in Fig. 3,35, described dust cap 33 coordinates installation with arc extinguishing cover cap 32 buckle-types, described dust cap 33Comprise the dustproof sliding tray 3301 at middle part, dustproof sliding tray 3301 one end are provided with the first baffle plate 3302, and both sides are respectively equipped with oneSecond baffle 3303, is provided with dustproof location division 3304 in the first baffle plate 3302 and the intersection of the second baffle 3303 of both sides,Dustproof sliding tray 3301 other ends are provided with inverted "L" shaped dustproof buckling end 3305. Establish at the middle part of described arc extinguishing cover cap 32 outer surfacesHave through hole 3204, the two ends of through hole 3204 are respectively two locating convex blocks 3203 that coordinate with dustproof location division 3304, convexPiece 3203 leaves gap, and the other end is the fastening boss 3205 coordinating with the buckling end 3305 that prevents dust, and establishes in the both sides of through hole 3204There are two pits that are provided with of depression. When assembling, dustproof location division 3304 embeds with the groove of locating convex block 3203 ends interior spacingAssembling, then presses dustproof buckling end 3305 itself and locating convex block 3203 buckles is fixed, and completes assembling.

Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model, can notAssert that concrete enforcement of the present utility model is confined to these explanations. For the ordinary skill of technical field under the utility modelPersonnel, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should lookFor belonging to protection domain of the present utility model.

Claims (10)

1. a contactor, comprises base (11), is arranged on yoke (12) and coil (13) in base (11), and its feature existsIn: the both sides of described coil (13) are provided with the lug plate mounting groove that lug plate (17) is installed, and two lug plates (17) are inserted from both sidesEnter in the lug plate mounting groove of coil rack (1301), lug plate be provided with lug plate mounting groove in lug plate draw-in groove(1307) the lug plate buckle (1702) being connected.

2. contactor according to claim 1, is characterized in that: described lug plate (17) two ends are respectively provided with a wiring spiral shellNail installing hole (1701), a side side is provided with two T-shaped lug plate buckles (1702), and opposite side side is provided with four enamel-covered wiresJoint pin (1703), four enamel-covered wire joint pins (1703) are divided into two groups, two every group; Two T-shaped lug plate buckles(1702) and two groups of enamel-covered wire joint pins (1703) are symmetrical arranged with respect to line sheet median plane (1704).

3. contactor according to claim 1, is characterized in that: described lug plate buckle (1702) comprises three of front endDihedral or trapezoidal buckle Access Division (17021), with the buckle connecting portion (17022) being connected with buckle Access Division (17021), cardThe width of button connecting portion (17021) is less than buckle Access Division (17021); Described lug plate draw-in groove (1307) comprises and buckle cardConnect the rectangle draw-in groove (13071) of portion (17021) cooperation and the draw-in groove inclined-plane opening corresponding with buckle connecting portion (17022)(13072)。

4. contactor according to claim 1, is characterized in that: the terminal screw groove (1304) of described coil (13) is located to establishThere is terminal screw protective cover (16).

5. contactor according to claim 4, is characterized in that: described terminal screw protective cover (16) comprises and coil(13) protective block (1601) that terminal screw groove (1304) coordinates, and prolong the first protection that protective block (1601) roof extendsPlate (1602) and prolong protective block (1601) sidewall extend the second protective plate (1603), on the first protective plate (1602) bottom surface, establishThere is protective cover boss (1604), on the side of the second protective plate (1603) both sides, be provided with the protective cover chimb that fastens coil(1605); On coil (13), be provided with the protective cover draw-in groove (1305) coordinating with protective cover boss (1604), at terminal screw groove(1304) side of both sides, side is provided with the side groove (1306) coordinating with protective cover chimb (1605).

6. contactor according to claim 1, is characterized in that: described base (11) entirety forms holds coil (13)Cavity, it is upper that coil (13) is enclosed within yoke (12), and coil (13) entirety is sunken in base (11), and coil (13) two ends are provided with two gearsPlate, and utilize the base wall (1108) of base (11) two ends and both sides, two ends to do position-limit mechanism.

7. contactor according to claim 6, is characterized in that: described yoke (12) becomes E type, and the yoke (12) of E type is openedIn mouth one side direction, place, install on present (11) base plate the bottom surface of yoke (12), and the both sides of yoke (12) are provided with yoke bolster(14), base (11) base plate is provided with the yoke buckle (1103) coordinating with yoke bolster (14), and base (11) delays by yokeStamping (14) is fixed on yoke (12) in base (1) with yoke buckle (1103), and it is upper that coil (13) is arranged on yoke (12), magneticThe yoke arm (1202) of yoke (12) is through coil (13), corresponding respectively in the two bottom sides of the coil rack (1301) of coil (13)Be provided with the coil limited impression (1302) coordinating with yoke bolster (14), by coil limited impression (1302) and yoke bufferingPart (14) fixed coil.

8. contactor according to claim 1, is characterized in that: also comprise pedestal (21), be arranged in pedestal (21)Contact supporting assembly (22); Relative being fixedly connected with of cavity of pedestal (21) and base (11), contact supporting assembly (22) is arranged onCoil (13) is upper, and the armature (2204) on contact supporting assembly (22) is oppositely arranged with yoke (12), the coil (13) of contactorCan drive armature (2204) band moving contact support module (22) to slide up and down, realize the disjunction of contactor; In pedestal (21) insideThe corresponding position at four angles is provided with four protruding coil baffle plates (2102), four lines when pedestal (21) is installed with base (11)Circle baffle plate (2102) is pushed down four angles that are arranged on the coil (13) in base (11), coil (13) is fixed on to the shell of contactorIn body.

9. contactor according to claim 8, is characterized in that: described contact support module (22) comprises contact support(2201), contact supports spring (2202), contact bolster (2203), armature (2204), contact support transverse axis (2205) and touchHead is supported slide block (2206), and contact support (2201) one end is connected with armature (2204), and the other end is provided with movable contact bridge, and establish both sidesThere is contact to support slide block (2206), be provided with absorption armature in contact support (2201) and armature (2204) cooperation place contact is propped upThe contact of the impulsive force of holding is supported spring (2202) and contact bolster (2203); Contact supports transverse axis (2205) through armature(2204) bottom installing hole, and two ends and contact support slide block (2206) is connected, on the sidewall of pedestal (21) both sides, be also provided withThe contact of contact support module (22) is supported the slideway (2107) that slide block (2206) coordinates.

10. contactor according to claim 8, is characterized in that: at pedestal (21) inner support contact support module (22)Place has been provided with the liner (25) of cushioning effect, is provided with the liner installing hole (2101) that liner (25) is installed in pedestal (21), liningPad (25) is arranged in liner installing hole (2101) and installs by liner snap fit (2502) clamping; Described liner (25) comprises padSheet (2501), be positioned at two liner snap fits (2502) at pad (2501) bottom surface middle part and be positioned at pad (2501) two ends, bottom surfaceTwo liner support protrusion (2503); In the liner installing hole (2101) of pedestal (21), be provided with and coordinate with liner snap fit (2502)Liner draw-in groove (21011), is provided with in liner installing hole (2101) both sides the support slot coordinating with liner support protrusion (2503)(21012)。