CN204849399U - Disk motor welding piston buffering dry -cleaning equipment - Google Patents

Abstract

The utility model relates to a washing machine, a disk motor welding piston buffering dry -cleaning equipment, as the improvement: interior buffering combination piece hangs including four and draws welding piston buffer and two support welding piston buffers, disk rotor frame motor sub -assembly includes motor case, motor front shroud, motor back shroud, spider, motor shaft, fore bearing, rear bearing and cylinder commentaries on classics hub, and wiring mouthful seat has a mouthful seat flange in mouth seat hole upper end, and wiring mouthful seat has the hole to keep off the shoulder in mouth seat hole bottom, and the hole keeps off the shoulder center to be had and have the axiality between wiring through -hole and mouthful hole, there is the screw on gland through -hole and mouthful seat flange corresponding in the gland flange outer fringe, has on the interior terminal surface of gland flange to be clearance fit between gland boss and mouthful seat hole, thread to match closed outside there were gland inner screw hole and lead wire interface the inner in gland flange center, the hole keeps off has first gasket, closed hole circle and second gasket in proper order between shoulder and the gland boss.

Description

A kind of disc type motor welding piston buffering dry-cleaning equipment

Technical field

The utility model relates to a kind of washing machine, particularly relates to a kind of disc type motor welding piston buffering dry-cleaning equipment.

Background technology

Conventional home washing machine using water as washing medium, and adds a certain amount of washing agent, and during work, clothing fully mixes with the washings containing washing agent, and at cylindric washer and lifting rib to the friction of clothing with under beating effect, dirt is separated by from clothing.After having washed, the washings containing dirt are discharged to outside dry cleaner; This dry cleaner can well wash the clothing of the suitable washings such as cotton, fiber crops, chemical fibre, but clothing wool, cashmere, silk etc. easily being shunk, should not wash, be just not suitable for washing dry cleaner with water and wash.User generally needs that clothing is taken Professionally Dryclean shop and washs, and there is the drawback of the easy cross infection germ of clothing like this.And in traditional tumble-drier, the weight of rotary parts such as washing urceolus etc. relies on electric machine main shaft to support completely, has to increase electric machine main shaft diameter, many drawbacks such as cause the sealing of electric machine main shaft elongated.In addition, because when traditional tumble-drier moves inconvenience, even if there is wheel to be also afraid of to jolt, effective shock measure is lacked.

Utility model content

The utility model provides a kind of and adopts piston flange shock-damping structure, and be furnished with bearing carrier in conjunction with disc type flame proof motor, solve prior art bottleneck, concrete technical scheme is as follows:

A kind of disc type motor welding piston buffering dry-cleaning equipment, comprises casing and cylindric washer, also comprises heat pump clothes-drying system, solvent recovering system, interior surge combination part and outer buffering wheels and disk rotor frame motor sub-assembly; Described heat pump clothes-drying system comprises air transporting arrangement, condenser, evaporimeter and solvent recovery pipe valve, and the air inlet of described heat pump clothes-drying system is all communicated with cylindric washer with air outlet; Described solvent recovering system comprises soiling solution tank and clean liquid case; Described soiling solution tank and described cylindric washer are by the first pipeline connection; Described soiling solution tank is connected by the second pipeline with described clean liquid case, and described second pipeline is provided with the first filter and solvent pump, and described clean liquid case is also communicated with described cylindric washer; Described cylindric washer comprises washing urceolus and rolling inner core, rolling inner core is positioned at the outer tube inner chamber of washing, urceolus rear board on described washing urceolus is airtight be fixed on upright plate just before, the motor front shroud on disk rotor frame motor sub-assembly is airtight is fixed on the back side after upright plate; There is orifice plate before cylinder rolling inner core front end, and in rolling, tube rear end has cylinder rear board; Motor shaft on disk rotor frame motor sub-assembly passes through motor perforation and turns hub with the cylinder being positioned at cylinder rear board center and be in transmission connection; The bedplate of described bottom of shell there are four base plate wheel bore, each base plate wheel bore has one group to cushion wheels outward; As improvement:

Described interior surge combination part comprises four and hangs and draw welding piston buffer and two supporting welding piston buffer; Described disk rotor frame motor sub-assembly comprises motor case, motor front shroud, back cover of motor plate, rotor field spider, motor shaft, fore bearing, rear bearing and cylinder and turns hub, motor shaft is fixedly connected with rotor field spider, rotor field spider is fixed with the annular disk of multipole magnetization, motor front shroud is fixed with and is positioned at the other stator winding of annular disk, the both sides of annular disk are fixed with stator core respectively; Motor front shroud is fixed with the iron core first half of stator core, iron core back cover of motor plate being fixed with stator core is later half, motor front shroud and back cover of motor plate is fixed with respectively at the same front stator tooth that circumferentially distributes and rear stator tooth; Have gland flange between connection jaws seat on pin interfaces and motor case, closed hole circle is fixed in the mouth seat of connection jaws seat by gland flange; Back cover of motor plate is equipped with bearing bonnet, bearing bonnet is fixed by screws on back cover of motor plate, and bearing bonnet the inner is stretched into the bonnet dead eye on back cover of motor plate and props up rear bearing; Motor front shroud is fixed with bearing carrier, and bearing carrier is fixed by screws on motor front shroud, and the component for adjusting ring the inner on bearing carrier is stretched into the Front Cover Bearing hole on motor front shroud and props up fore bearing; Bearing carrier outer end and cylinder turn between hub a no inner-ring bearing;

Connection jaws seat has mouth seat flange in mouth seat endoporus upper end, and connection jaws seat has endoporus shoulder block bottom mouth seat endoporus, and endoporus shoulder block center has between wiring through hole and mouth seat endoporus and has axiality; Gland flange outer rim has gland through hole corresponding with the screw on mouth seat flange, the inner face of gland flange having between gland boss and mouth seat endoporus is matched in clearance; Gland flange center has the inner external screw thread of gland inner bolt hole and pin interfaces to match; The first pad, closed hole circle and the second pad is had successively between endoporus shoulder block and gland boss.

As further improvement: the urceolus front panel opening part on described washing urceolus has outer drum flange, outer drum flange is provided with cylinder door just above, shell front panel opening on described casing has housing flange, and housing flange just above and airtightly between outer drum flange back face be connected with bellow seal ring; Bellow seal ring two ends have urceolus flanging ring and shell flanging ring respectively, and urceolus flanging ring is by the back side after urceolus clasp gland outside drum flange, and shell flanging ring is by shell clasp gland back side after housing flange; Urceolus clasp is fixed on outer drum flange back face together with urceolus flanging ring by urceolus screw, casing screws by shell clasp together with shell flanging ring be fixed on housing flange just before; There is outer nozzle neck between urceolus front panel on outer drum flange and washing urceolus, between the outward flange internal diameter on outer nozzle neck cylindrical and housing flange, have the monolateral gap of 11 millimeters.

the beneficial effects of the utility model

(1), owing to adopting above setting, user is in and can washs the easy high-grade clothing shrinking and should not wash, and effectively prevent the problem with other clothing cross infection germ in drycleaner's.Interior surge combination part in the utility model comprises hanging and draws welding piston buffer and supporting welding piston buffer; No matter the inner rotating speed speed of cylindric washer or imbalance are trembled, and the dual-stage buffer structure of above-mentioned interior surge combination part, can guarantee that the utility model overall operation is steady all the time;

(2), bearing carrier is set up between the disk rotor frame motor sub-assembly of the utility model core component and rolling cylindrical shell, assume responsibility for the load of the rotary parts such as rolling inner core, motor shaft is made only to bear pure torsion, motor shaft diameter under equal-wattage can reduce half, finally realizes motor entirety and has breakthrough compact.Meanwhile, because bearing carrier global shape belongs to hollow short tube, therefore structural rigidity is superpower, can bear larger radial load.Both combine, and the utility model achieves and can do compact by motor overall dimensions, can bear larger radial load again, runs more reliable.The particularly minimizing of motor shaft diameter, also shortens the movable sealing line length on motor shaft, thus extends the service life of motor;

(3), have employed connection jaws seat in disk rotor frame motor sub-assembly mouth seat endoporus is suitable for reading and have mouth seat flange, connection jaws seat has endoporus shoulder block bottom mouth seat endoporus, and endoporus shoulder block center has between wiring through hole and mouth seat endoporus and has axiality; Gland flange outer rim has gland through hole corresponding with the screw on mouth seat flange, the inner face of gland flange having between gland boss and mouth seat endoporus is matched in clearance; Gland flange center has the inner external screw thread of gland inner bolt hole and pin interfaces to match; The first pad, closed hole circle and the second pad is had successively between endoporus shoulder block and gland boss; First pad is placed on bottom mouth seat endoporus and againsts endoporus shoulder block, put into closed hole circle and the second pad more successively, gland boss in gland flange is aimed at mouth seat endoporus, three gland bolts pass through the gland through hole in gland flange outer rim and the screw on mouth seat flange is tightened, and airtightly after making closed hole circle compressive deformation hold cable tightly.Above-mentioned outlet structure is applicable to the outlet of flame-proof type motor, have safe and reliable to operation, installation and debugging convenient, save air compressor machine inner space, winding displacement facilitates advantage;

(4) the outer drum flange, washed on urceolus opening is provided with cylinder door just above, housing flange on shell front panel opening on casing just above and airtightly between outer drum flange back face be connected with bellow seal ring, had not only been accomplished static sealing but also can have been born the vibrations of certain amplitude of oscillation;

(5), under the utility model cushions the synergy of upper spring among wheels and lower spring and plane bearing ball outside, can in movement arbitrarily on uneven ground of jolting, buffering effect is better, and mobile specially turn to sensitive.

Accompanying drawing explanation

Fig. 1 is overall structure generalized section of the present utility model.

Fig. 2 is the top view of Fig. 1, removes casing 101 upper cover plate.

Fig. 3 is ripple sealing ring 124 partial structurtes enlarged drawing in Fig. 2.

Fig. 4 is the structure chart hanging Raffarin piston damper 169 in Fig. 1 or Fig. 2.

Fig. 5 is the structure chart of pivot flange piston damper 161 in Fig. 1 or Fig. 2.

Fig. 6 is the connecting portion enlarged drawing of disc type rotor rack motor sub-assembly 110 and cylinder rear board 181 in Fig. 2.

Fig. 7 is the bearing carrier 80 amplification profile schematic diagram in Fig. 6.

Fig. 8 is the connecting portion enlarged drawing that the rotating shaft in Fig. 6 overhanging section 46 and cylinder turn hub 90.

Fig. 9 unloads except after hemisphere seal closure 100 in Fig. 8, the side view of locking catch 71 and institute and step backing-up screw 74 position relationship.

Figure 10 is the amplification profile schematic diagram that cylinder in Fig. 8 turns hub 90.

Figure 11 is the motor front shroud 20 inboard face structural representation in Fig. 6.

Figure 12 is the back cover of motor plate 30 inboard face structural representation in Fig. 6.

Figure 13 is the connection jaws seat 75 enlarged local section schematic diagram in Fig. 6.

Figure 14 is the gland flange 17 enlarged local section schematic diagram in Figure 13.

Figure 15 is the motor front shroud 20 amplification profile schematic diagram in Fig. 6.

Figure 16 is the back cover of motor plate 30 amplification profile schematic diagram in Fig. 6.

Figure 17 is the structural representation of the annular disk 83 in Fig. 6.

Figure 18 is outer buffering wheels 120 enlarged drawing in Fig. 1, and the utility model zero load is placed on ground, and outer buffering wheels 120 are subject to the state of unloaded load.

Figure 19 is in Figure 18, and the utility model is fully loaded is placed on ground, and outer buffering wheels 120 are subject to fully loaded state.

Figure 20 is in Figure 18, and the utility model is lifted and departs from ground, and outer buffering wheels 120 are only subject to the state of self slight load.

Detailed description of the invention

The utility model is described in detail below in conjunction with the drawings and specific embodiments:

In Fig. 1, Fig. 2 and Fig. 6: a kind of disc type motor welding piston buffering dry-cleaning equipment, comprise casing 101 and cylindric washer 401, also comprise heat pump clothes-drying system, solvent recovering system, interior surge combination part and outer buffering wheels 120 and disk rotor frame motor sub-assembly 110; Described heat pump clothes-drying system comprises air transporting arrangement 412, condenser 411, evaporimeter 410 and solvent recovery pipe valve 400, and the air inlet 492 of described heat pump clothes-drying system is all communicated with cylindric washer 401 with air outlet 490; Described solvent recovering system comprises soiling solution tank 402 and clean liquid case 403; Described soiling solution tank 402 is communicated with by the first pipeline 404 with described cylindric washer 401; Described soiling solution tank 402 is connected by the second pipeline 405 with described clean liquid case 403, and described second pipeline 405 is provided with the first filter 406 and solvent pump 407, and described clean liquid case 403 is also communicated with described cylindric washer 401; Described cylindric washer 401 comprises washing urceolus 103 and rolling inner core 108, rolling inner core 108 is positioned at washing urceolus 103 inner chamber, urceolus rear board 131 on described washing urceolus 103 is airtight be fixed on upright plate 180 just before, the motor front shroud 20 on disk rotor frame motor sub-assembly 110 is airtight is fixed on the back side after upright plate 180; There is orifice plate 105 before cylinder rolling inner core 108 front end, and there is cylinder rear board 181 rolling inner core 108 rear end; Motor shaft 40 on disk rotor frame motor sub-assembly 110 passes through motor perforation 185 and turns hub 90 with the cylinder being positioned at cylinder rear board 181 center and be in transmission connection; Bedplate 190 bottom described casing 101 there are four base plate wheel bore 194, each base plate wheel bore 194 has one group to cushion wheels 120 outward; As improvement:

Described interior surge combination part comprises four and hangs and draw welding piston buffer 169 and two supporting welding piston buffer 161; Every only hanging draws welding piston buffer 169 upper end to hang device upper bed-plate 168 to be fixed on casing 101 inwall top, often only hangs to draw welding piston buffer 169 lower end to hang device lower bottom base 167 to be fixed on washing urceolus 103 outer wall top; Every supporting welding piston buffer 161 upper end has prop upper bed-plate 163 to be fixed on washing urceolus 103 outer wall bottom, and every supporting welding piston buffer 161 lower end has prop lower bottom base 162 to be fixed on chassis sidewall 142 inner wall lower.

As further improvement: composition graphs 2 and Fig. 3, urceolus front panel 139 opening part on washing urceolus 103 has outer drum flange 122, outer drum flange 122 is provided with cylinder door 102 just above, shell front panel 104 opening on casing 101 has housing flange 121, and housing flange 121 just above and outer drum flange 122 is airtight between the back side is afterwards connected with bellow seal ring 124; Bellow seal ring 124 two ends have urceolus flanging ring 724 and shell flanging ring 524 respectively, and urceolus flanging ring 724 is by the back side after urceolus clasp 721 gland outside drum flange 122, and shell flanging ring 524 is by shell clasp 521 gland back side after housing flange 121; Urceolus clasp 721 is fixed on the back side after outer drum flange 122 together with urceolus flanging ring 724 by urceolus screw 701, casing screws 501 by shell clasp 521 together with shell flanging ring 524 be fixed on housing flange 121 just before; There is outer nozzle neck 307 between urceolus front panel 139 on outer drum flange 122 and washing urceolus 103, between the outward flange internal diameter 107 on outer nozzle neck 307 cylindrical and housing flange 121, have the monolateral gap of 11 millimeters.

As further improvement: composition graphs 1, Fig. 2 and Fig. 4, hang to draw hanging described in welding piston buffer 169 to draw welding piston buffer 169 to comprise to hang and draw piston rod 691, hang and draw welding piston cylinder 693, hang to draw welding guide cylinder 692 and hang and draw welded seal end cap 991; Described hang draw piston rod 691 one end airtight be fixed with to hang draw external seal piston 639, hang to draw and porosely in external seal piston 639 peripheral groove draw sealing ring 939 with hanging, hole draws sealing ring 939 and described hanging to draw between welding piston cylinder 693 endoporus to form movable sealing with hanging, described hanging draws piston rod 691 other end to hang to draw piston rod external screw thread 685, hangs to draw piston rod external screw thread 685 outside dimension to be less than or equal to described hanging to draw piston rod 691 outside dimension;

Described hang draw welding piston cylinder 693 one end airtight be fixed with to hang draw interior packed-piston 629, hanging to draw in interior packed-piston 629 internal bore groove has axle to draw sealing ring 929 and described hanging to draw between piston rod 691 cylindrical to form movable sealing with hanging, described hanging draws welding piston cylinder 693 other end to hang scuffing of cylinder bore bevel for welding 919, hang scuffing of cylinder bore bevel for welding 919 to draw welded seal end cap 991 place of being connected and fixed to hang with described hanging to draw airtight girth weld 777, described hanging is drawn welded seal end cap 991 outer end to hang and is drawn nose end head 672 on device; Described hanging draws the endoporus cylindrical wall of welding guide cylinder 692 perforate end and described hanging to draw between welding piston cylinder 693 cylindrical as being slidably matched, described hanging draws welding guide cylinder 692 blind hole end to hang slide screw 695, hang slide screw 695 outer end and hang to draw to hang between device lower opening termination 682 and draw attachment weld 666, the described slide screw 695 that hangs draws piston rod external screw thread 685 to be fastenedly connected with described hanging; Described hang to draw external seal piston 639 and described hanging to draw to form to hang between welded seal end cap 991 draw the first chamber 911, described hanging is drawn external seal piston 639 and described hanging to draw to form to hang between interior packed-piston 629 and is drawn the second chamber 912.

As further improvement: composition graphs 1, Fig. 2 and Fig. 5, the supporting welding piston buffer 161 described in supporting welding piston buffer 161 comprises support piston bar 611, supporting welding piston cylinder 613, supporting welding guide cylinder 612 and supporting welding end cover 119; Airtight being fixed with in described support piston bar 611 one end supports external seal piston 936, support porose support sealing ring 636 in external seal piston 936 peripheral groove, hole supports between sealing ring 636 and described supporting welding piston cylinder 613 endoporus and forms movable sealing, described support piston bar 611 other end has support piston bar external screw thread 625, and support piston bar external screw thread 625 outside dimension is less than or equal to described support piston bar 611 outside dimension;

Airtight being fixed with in described supporting welding piston cylinder 613 one end supports interior packed-piston 621, axle is had to support sealing ring 626 in supporting in packed-piston 621 internal bore groove, axle supports between sealing ring 626 and described support piston bar 611 cylindrical and forms movable sealing, described supporting welding piston cylinder 613 other end has shoring bevel for welding 191, shoring bevel for welding 191 and described supporting welding end cover 119 place of being connected and fixed have and support airtight girth weld 999, and there is eyelid retractor lower opening termination 632 described supporting welding end cover 119 outer end; For being slidably matched between the endoporus cylindrical wall of described supporting welding guide cylinder 612 perforate end and described supporting welding piston cylinder 613 cylindrical, described supporting welding guide cylinder 612 blind hole end has support tube screw 615, support tube screw 615 outer end and eyelid retractor have support and connection weld seam 888 between nose end head 622, and described support tube screw 615 is fastenedly connected with described support piston bar external screw thread 625; Form support first chamber 111 between described support external seal piston 936 and described supporting welding end cover 119, in described support external seal piston 936 and described support, between packed-piston 621, form support second chamber 112.

As further improvement: composition graphs 2, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Figure 15, Figure 16 and Figure 17, described disk rotor frame motor sub-assembly 110 comprises motor case 10, motor front shroud 20, back cover of motor plate 30, rotor field spider 32, motor shaft 40, fore bearing 25, rear bearing 35 and cylinder turn hub 90, motor shaft 40 is fixedly connected with rotor field spider 32, rotor field spider 32 is fixed with the annular disk 83 of multipole magnetization, motor front shroud 20 is fixed with and is positioned at the other stator winding 11 of annular disk 83, the both sides of annular disk 83 are fixed with stator core 50 respectively, motor front shroud 20 is fixed with the iron core first half 51 of stator core 50, back cover of motor plate 30 is fixed with the iron core later half 52 of stator core 50, motor front shroud 20 and back cover of motor plate 30 is fixed with respectively at the same front stator tooth 12 that circumferentially distributes and rear stator tooth 13, have gland flange 17 between connection jaws seat 75 on pin interfaces 65 and motor case 10, closed hole circle 67 is fixed in the mouth seat endoporus 79 of connection jaws seat 75 by gland flange 17, back cover of motor plate 30 is equipped with bearing bonnet 33, bearing bonnet 33 is fixed by screws on back cover of motor plate 30, and bearing bonnet 33 the inner is stretched into the bonnet dead eye 34 on back cover of motor plate 30 and propped up rear bearing 35, motor front shroud 20 is fixed with bearing carrier 80, and bearing carrier 80 is fixed by screws on motor front shroud 20, and component for adjusting ring 82 the inner on bearing carrier 80 is stretched into the Front Cover Bearing hole 24 on motor front shroud 20 and props up fore bearing 25, bearing carrier 80 outer end and cylinder turn between hub 90 no inner-ring bearing 60,

What the cylindrical of the needle roller outer ring 69 on no inner-ring bearing 60 was fixed on that cylinder turns hub 90 turns on hub stepped hole 96 inner round wall, turning on hub stepped hole 96 bottom surface has the axis turned for spline tooth circumferential engagement between hub splined hole 94 and the axle head spline 49 on motor shaft 40 slidably to coordinate, the end face of axle head spline 49 there is axle head screw 47, axle head screw 47 is combined with the axial displacement that step backing-up screw 74 limits axial location back-up ring 70, axial location back-up ring 70 outer rim position is fixed on and turns on the outer transverse plane of hub splined hole 94, then limits the axial displacement that cylinder turns hub 90; Axial location back-up ring 70 lateral surface there is locking catch 71 together with axial location back-up ring 70, be fixed on by back-up ring screw 77 and turn on the outer transverse plane of hub splined hole 94; On any flat limit that locking catch 71 has catch corner edges 72 to be close on two flat side bumper shoulder caps 73 of step backing-up screw 74.

As further improvement: after cylinder turns hub 90 cylindrical, half-turn is fixedly connected on cylinder rear board 181 center, before cylinder turns hub 90 cylindrical, half-turn there is wheel hub external screw thread 99, the seal closure internal thread 109 on hemisphere seal closure 100 and wheel hub external screw thread 99 threaded engagement; Cylinder turns hub 90 outer face has and turns hub end face screw 97, turn hub stepped hole 96 has and turn hub escape 93 and turn hub draw-in groove 98, turn activity in hub draw-in groove 98 to be combined with and to turn hub bore snap ring 91, turn position, hub stepped hole 96 base angle is placed with and turn hub adjusting ring 92, both sides, needle roller outer ring 69 against respectively and turn hub bore snap ring 91 and turn hub adjusting ring 92;

As further improvement: bearing carrier 80 there is component flange 87, component for adjusting ring 82 cylindrical inside component flange 87 and be interference fits between Front Cover Bearing hole 24, component for adjusting ring 82 has between component sealing ring 209 and Front Cover Bearing hole 24 and forms static seal; Motor case 10 end face has between electricity secret seal 208 and motor front shroud 20 and form static seal; Component for adjusting ring 82 cylindrical and outer bearing prop up the axiality relation holding round and have Pyatyi tolerance grade between 89; Motor front shroud 20 lateral surface there is protecgulum concave station face 29, protecgulum concave station face 29 has six protecgulum screws 27, component flange 87 has six component pillow holes 85 corresponding with protecgulum screw 27; Component screw 28 passes through component pillow hole 85 and matches with protecgulum screw 27, is fixed on by bearing carrier 80 on protecgulum concave station face 29; There is between protecgulum concave station face 29 and Front Cover Bearing hole 24 the perpendicularity relation of Pyatyi tolerance grade;

As further improvement: connection jaws seat 75 has mouth seat flange 78 in mouth seat endoporus 79 upper end, and connection jaws seat 75 has endoporus shoulder block 22 bottom mouth seat endoporus 79, endoporus shoulder block 22 center has between wiring through hole 23 and mouth seat endoporus 79 and has axiality; Gland flange 17 outer rim has gland through hole 37 corresponding with the screw on mouth seat flange 78, the inner face of gland flange 17 having between gland boss 39 and mouth seat endoporus 79 is matched in clearance; Gland flange 17 center has gland inner bolt hole 38 to match with the inner external screw thread of pin interfaces 65; The first pad 19, closed hole circle 67 and the second pad 18 is had successively between endoporus shoulder block 22 and gland boss 39; First pad 19 is placed on bottom mouth seat endoporus 79 and againsts endoporus shoulder block 22, put into closed hole circle 67 and the second pad 18 more successively, gland boss 39 in gland flange 17 is aimed at mouth seat endoporus 79, the gland through hole 37 that two gland bolts 88 pass through in gland flange 17 outer rim is tightened with the screw on mouth seat flange 78, airtightly after making closed hole circle 67 compressive deformation holds cable 55 tightly.

Rotor field spider 32 has flat key 14 transmitting torque with the maximum gauge place on motor shaft 40, motor shaft 40 is supported on motor front shroud 20 and back cover of motor plate 30 by fore bearing 25 and rear bearing 35 respectively, motor front shroud 20 has front screw 21 be fixed on motor case 10 front end face.

As further improvement: the Front Cover Bearing hole 24 of motor front shroud 20 is fixed wtih fore bearing 25 cylindrical, fore bearing 25 endoporus is fixed wtih the bearing leading portion axle 45 of motor shaft 40; Back cover of motor plate 30 has rear screw 31 be fixed on motor case 10 rear end face, the bonnet dead eye 34 of back cover of motor plate 30 is fixed wtih rear bearing 35 cylindrical, rear bearing 35 endoporus is fixed wtih the bearing back segment axle 43 of motor shaft 40.

1.115 millimeters of gaps are had between the member through-hole 804 of described bearing carrier 80 and the rotating shaft of motor shaft 40 overhanging section 46, organic sealing assembly 48 between the component stepped hole 84 of bearing carrier 80 and the rotating shaft of motor shaft 40 overhanging section 46, the outer bearing on bearing carrier 80 props up and holds round 89 and support cylinder needle roller 68 on no inner-ring bearing 60.

As further improvement: described urceolus rear board 131 there is dorsal pore 309 after urceolus, after urceolus, dorsal pore 309 diameter is greater than described motor and bores a hole 185 diameter 14 centimetres;

As further improvement: be threaded fastening with the motor installation screw 204 on upright plate 180 after the front shroud flange 201 on described motor front shroud 20 and upright plate 180 have motor seal pad 202, six motor flange screws 205 to pass through the flange through hole 207 on front shroud flange 201 and the sealing gasket through hole on motor seal pad 202 successively between the back side afterwards.

As further improvement: in conjunction with Figure 18, Figure 19, Figure 20, described outer shock-absorbing wheels 120 comprise: shock-absorbing fagging 290, double plate bar 280, upper spring 230, lower spring 250, Universal castor 240, roller shaft pin 233 and scroll wheel 260, and the two sides, fagging outer ring 291 of described shock-absorbing fagging 290 have 2 circle girth welds 299 to be fixed in described base plate wheel bore 194; Fagging outer ring 291 inside front of described shock-absorbing fagging 290 has groove 293 on fagging, and in described fagging outer ring 291, side-lower has groove 295 under fagging; Described fagging inner ring about 298 symmetry is positioned at shock-absorbing fagging 290 center; The upper dish cylindrical of described double plate bar 280 there is double plate pole gain 283, the upper dish lower plane 281 of described double plate bar 280 has upper dish groove 288; The lower wall cylindrical of described double plate bar 280 there is groove 285 under double plate bar, plane 282 has lower wall groove 289 to the lower wall of double plate bar 280; For being slidably matched between the interior circular hole of described fagging inner ring 298 and the cylindrical of double plate bar 280, the upper ringlet of described upper spring 230 is fixed on described double plate pole gain 283 li, and the lower great circle of described upper spring 230 is fixed on groove 293 li on described fagging; The lower inner ring of described lower spring 250 is fixed on groove 285 li under described double plate bar, and the upper outer ring of described lower spring 250 is fixed on groove 295 li under described fagging; The groove-bottom plane 284 of described double plate bar 280 to be gone to the bottom ball annular groove 287 and fagging screw 286, the wheel carrier disk of described Universal castor 240 there is wheel carrier stepped hole 244 corresponding with described fagging screw 286, step brain screw 248 passes through and is fastened on described fagging screw 286 with described wheel carrier stepped hole 244, is matched in clearance between step brain screw 248 and wheel carrier stepped hole 244; The wheel carrier disk of described Universal castor 240 has ball annular groove 247 above wheel disc corresponding with described ball annular groove 287 of going to the bottom, above described wheel disc ball annular groove 247 and described go to the bottom to be slidably matched between ball annular groove 287 be fixed wtih plane bearing ball 277; Be interference fits between wheel carrier pin-and-hole 243 on two fork pin of described Universal castor 240 and described roller shaft pin 233 cylindrical, for rotary sliding coordinates between described roller shaft pin 233 cylindrical and the roller pin hole 263 of described scroll wheel 260, there is bearing pin shoulder block 234 described roller shaft pin 233 one end, and described roller shaft pin 233 other end has split pin 273.

in embodiment

One, set especially: N, S in Figure 12 represent the magnetic of magnetic pole respectively, annular disk 83 is filled with the magnetic pole that N pole and S pole are arranged alternately one by one.This structure effectively can improve the field performance of rotor, and simplifies overall structure.Whole annular disk 83 is integral type structure, and therefore, mechanical strength is high, Long-Time Service and be subject to impact also can not cause loosely organized.

Shell rear board 106 on described casing 101 there is hemispherical cancave cambered surface can hold disc type rotor rack motor sub-assembly 110.Described first pipeline 404 is provided with the second filter 408, so that in washing process, the foreign material such as the button that clothing drops filter.Whether described first pipeline 404 is provided with draining valve 417, and draining valve 417 is positioned at bottom cylindric washer 401, to be injected in soiling solution tank 402 solvent in cylindric washer 401 control.

The arrival end of described second pipeline 405 passes into the bottom of soiling solution tank 402, the port of export of described second pipeline 405 connects the first filter 406 suction inlet, first filter 406 outlet is connected to an openning of the first triple valve 414, two other openning of first triple valve 414 respectively connected solvent pump 407 suction inlet and connecting branch 409 port of export, and the arrival end of connecting branch 409 passes into the bottom of clean liquid case 403; Solvent pump 407 outlet is connected to an openning of the second triple valve 415, and two other openning of the second triple valve 415 respectively connected the 3rd pipeline 416 end opening end and recovery tube 413 end suitable for reading, and recovery tube 413 end opening end leads to clean liquid case 403.

Described heat pump clothes-drying system has evaporimeter 410, condenser 411 and air transporting arrangement 412 arranging from air inlet 492 to air outlet 490.The solvent of the gaseous state in cylindric washer 401 and the mixture of air can cool at evaporimeter 410 place, solvent condenses in mixture is got off, what then pass in condenser 411 is thermal medium or heat release medium, air is heated after condenser 411, under the effect of air transporting arrangement 412, be transported in cylindric washer 401, realize the circulation of hot blast, the material after washing is dried.

First filter 406 is combined by one or more in the filter modes such as active carbon filter, activated alumina filter, filtered through silica gel device, molecular sieve, water-absorbing resins, can the small line bits of filtering part, particulate contaminant, oil-dirt, pigment, moisture etc. by described first filter 406, thus obtain clean solvent.

Air transporting arrangement 412 is blower fan.Pipeline bottom between described evaporimeter 410 and condenser 411 is provided with solvent recovery pipe valve 400, to make to reclaim through solvent recovery pipe valve 400 outflow through the condensed solvent of evaporator 410.

Cylindric washer 401, heat pump clothes-drying system and solvent recovering system are all arranged in casing 101; setting like this, not only makes this Domestic dry washing machine compact conformation, attractive in appearance; and can protect cylindric washer, heat pump clothes-drying system and solvent recovering system, to prevent the damage of external force.

Soiling solution tank 402 and clean liquid case 403 are all arranged at the bottom in casing 101, and the solvent in cylindric washer 401 easilier can flow out and enter into soiling solution tank 402 from cylindric washer 401, in addition, also has center of gravity low, the advantage that dry cleaner is more firm.

Dry-cleaning solvent of the present utility model can adopt silica class environment-protecting asepsis solvent as washing medium, such as: decamethylcyclopentaandoxane, this solvent is widely used in cosmetics and personal care products, can not cause damage to health, and this solvent very easily decomposes in natural environment, can not polluted underground water, soil etc.

two, the utility model core component disk rotor frame motor sub-assembly 110 assembling process as follows:

(1), motor assembling

The quantity of the magnetic pole in disk rotor frame motor sub-assembly 110 is even number, and have at motor case 10 internal fixtion and be positioned at the other stator winding 11 of annular disk 83, the both sides of annular disk 83 are fixed with iron core first half 51 and the iron core later half 52 of stator core 50 respectively.

More particularly, motor shaft 40 is fixed with rotor field spider 32, annular disk 83 is fixed on rotor field spider 32.Stator winding 11 is fixed on motor front shroud 20, and the quantity of stator winding 11 is two groups and is symmetrical arranged, and motor front shroud 20 has the winding contained structure 81 for fixed stator winding 11, stator winding 11 kidney-shaped structure in the form of a ring.Be provided with fore bearing 25 between motor front shroud 20 and motor shaft 40, between back cover of motor plate 30 and motor shaft 40, be provided with rear bearing 35.Motor front shroud 20 is fixed with the iron core first half 51 of stator core 50, back cover of motor plate 30 is fixed with the iron core later half 52 of stator core 50.

Motor front shroud 20 in disk rotor frame motor sub-assembly 110 and back cover of motor plate 30 medial surface are fixed with respectively at the same front stator tooth 12 that circumferentially distributes and rear stator tooth 13, front stator tooth 12 and rear stator tooth 13 correspond to iron core first half 51 and iron core later half 52 respectively.

Motor front shroud 20 is fixed on motor case 10 front end face by the protecgulum housing hole 26 that six front screws 21 pass through on motor front shroud 20, and back cover of motor plate 30 is fixed on motor case 10 rear end face by the bonnet housing hole 36 that after 8, screw 31 passes through on back cover of motor plate 30.

(2), critical component number of assembling steps:

(1) bearing carrier 80 is installed

By the component for adjusting ring 82 on bearing carrier 80 and nearly outer end place, the Front Cover Bearing hole 24 on motor front shroud 20 interference fits, and match with the protecgulum screw 27 on motor front shroud 20 with the component pillow hole 85 that component screw 28 passes through on bearing carrier 80, component flange 87 on bearing carrier 80 is close to fixing with the protecgulum concave station face 29 on motor front shroud 20, makes, between rotating shaft overhanging section of 46 outlines of the component stepped hole 84 on bearing carrier 80 and motor shaft 40, there is high accuracy axiality and fix machine sealing assembly 48.Meanwhile, the member through-hole 804 on bearing carrier 80 and have the rotational clearance of 1.115 millimeters between the rotating shaft of motor shaft 40 overhanging section of 46 outlines.

(2) needle roller outer ring 69 is installed

No inner-ring bearing 60 selects RNA type separate type no inner-ring bearing.

First put into cylinder and turn to turn among hub stepped hole 96 and to cross on hub 90 by turning hub adjusting ring 92 matched in clearance and turn hub escape 93 and be attached to cylinder and turn on hub bore bottom surface 95; Again by the needle roller outer ring 69 on no inner-ring bearing 60 slightly interference fit press-in cylinder turn hub 90 turn among hub stepped hole 96, hub bore snap ring 91 specific purpose tool will be turned again put into and turn hub draw-in groove 98, and both sides, needle roller outer ring 69 be against respectively and turns hub bore snap ring 91 and turn hub adjusting ring 92.

(3) cylinder turns the connection between hub 90 and motor shaft 40

Turn needle roller outer ring 69 on hub 90 and to be inserted in together with cylinder needle roller 68 by being fixed on cylinder and to be fixed on outer bearing and to prop up and hold round 89 last points, slowly rotary drum turns hub 90, the hub splined hole 94 that turns that cylinder is turned on hub 90 is aimed at the axle head spline 49 on motor shaft 40 and is matched, continue pushing cylinder and turn hub 90, the overall and outer bearing of the cylinder needle roller 68 on needle roller outer ring 69 is propped up hold round 89 to match completely;

First take after step backing-up screw 74 passes through axial location back-up ring 70 centre bore and match with the axle head screw 47 on motor shaft 40, the two flat side bumpers of axial location back-up ring 70 on step backing-up screw 74 are takeed between caps 73 and axle head spline 49 outer face has one millimeter axially freely to measure;

Match with the hub end face screw 97 that turns that cylinder turns on hub 90 pass through the positioning retainer ring through hole 76 on axial location back-up ring 70 again with five back-up ring screws 77 after, axial location back-up ring 70 is also fastened on cylinder and turns on hub 90 outer face;

After finally passing through the through hole on locking catch 71 and the positioning retainer ring through hole 76 on axial location back-up ring 70 successively with a back-up ring screw 77, the hub end face screw 97 that turns also turned with cylinder on hub 90 matches, on any flat limit that catch corner edges 72 on locking catch 71 is aimed on two flat side bumper shoulder caps 73, play locking effect.

Install.

Three, the utility model washing process is as follows:

Before washing, open end can door 102, puts into the rolling inner core 108 putting into cylindric washer 401 by washing clothes etc., closes cylinder door 102;

Solvent pump 407 extracts the solvent of 403 li, clean liquid case through connecting branch 409, is injected in cylindric washer 401, washs the clothing be immersed in solvent through the 3rd pipeline 416.After having washed, solvent is discharged in soiling solution tank 402 through the first pipeline 404 after the second filter 408 coarse filtration.

When the motor is activated, the moment of torsion that electromagnetic force produces is by the axle head spline 49 on motor shaft 40, and the hub splined hole 94 that turns turned on hub 90 through cylinder passes to cylinder rear board 181, drives whole rolling inner core 108 to rotate; Disk rotor frame motor sub-assembly 110 drives cylindric washer 401 High Rotation Speed to take off liquid, to make the solvent on clothing few as much as possible.

In this process, the shape of washing clothes and volume are irregular caused vibrations, part vibrations are hung by four in interior surge combination part and are drawn welding piston buffer 169 and two supporting welding piston buffer 161 to be absorbed, another part vibrations are absorbed by the upper spring 230 among outer buffering wheels 120 and lower spring 250, and the utility model overall operation is steady.

After de-liquid completes, heat pump clothes-drying system starts, air in condenser 411 cartridge heater, blower fan delivers to heats laundry in cylindric washer 401 hot-air, residual solvent on clothing flashes to solvent vapo(u)r at relatively high temperatures, the mixture of solvent vapo(u)r and air arrives evaporimeter 410 place under fan action, and solvent vapo(u)r condenses into liquid solvent in evaporimeter 410 place's heat release and is recovered out.

In clothes drying process, solvent filtration system works simultaneously, under the effect of solvent pump 407, solvent in soiling solution tank 402 can be entered into after the first filter 406 filters by the arrival end of the second pipeline 405 and obtain clean solvent, then be pumped in clean liquid case 403 by the first triple valve 414, solvent pump 407 and the second triple valve 415 successively, and under the effect of solvent pump 407, clean solvent in clean liquid case 403 can be pumped in cylindric washer 401 by connecting branch 409, solvent pump 407, second triple valve 415 successively, realizes again utilizing.

Four, the utility model has following outstanding substantive distinguishing features and the effect that improves significantly:

(1), owing to adopting above setting, user is in and can washs the easy high-grade clothing shrinking and should not wash, and effectively prevent the problem with other clothing cross infection germ in drycleaner's.In addition, the Domestic dry washing machine in the present embodiment also has little, the lightweight advantage of volume, is relatively applicable to family expenses.In addition, owing to being provided with solvent recovering system, the solvent after washing can being recycled again, there is the advantage of saving the energy and environmental protection.

Be summarized as:

A. volume is little, and structure is simple, does not need extra heat source (as vapours, electric heater), is applicable to family expenses.

B. energy consumption is low, and cost is low; Heating-up temperature less than 75 DEG C, does not damage the high-grade clothing of dry-cleaning.

C. environmental protection, does not need to consume water and carrys out condensing solvent steam.

(2), the disk rotor frame motor sub-assembly 110 of the utility model core component and the syndeton of rolling cylindrical shell 108 are: have 1.115 millimeters of gaps between the member through-hole 804 of bearing carrier 80 and the rotating shaft of motor shaft 40 overhanging section 46, organic sealing assembly 48 between the component stepped hole 84 of bearing carrier 80 and the rotating shaft of motor shaft 40 overhanging section 46, between component stepped hole 84 and member through-hole 804, organic envelope dismantles groove 808, is convenient to specific purpose tool demountor sealing assembly 48; Outer bearing on bearing carrier 80 props up and holds round 89 and support cylinder needle roller 68 on no inner-ring bearing 60.It is that the error of 100 millimeters of unit sizes is less than or equal to 0.004 millimeter that outer bearing props up the axiality held round between 89 and component for adjusting ring 82 cylindrical, is similar to absolute concentric shafts.Bearing carrier 80 is set up between rolling inner core 108 rotary part such as grade and motor shaft, assume responsibility for the load of rotary part such as rolling inner core 108 grade, motor shaft 40 is made only to bear pure torsion, motor shaft 40 diameter under equal-wattage can reduce half, finally realizes motor entirety and has breakthrough compact.Meanwhile, because bearing carrier 80 global shape belongs to hollow short tube, therefore structural rigidity is superpower, can bear larger radial load.Both combine, and the utility model achieves and can do compact by motor overall dimensions, can bear larger radial load again, runs more reliable.The particularly minimizing of motor shaft 40 diameter, also shortens the movable sealing line length on motor shaft, thus extends the service life of motor.

(3), have employed connection jaws seat 75 in disk rotor frame motor sub-assembly 110 mouth seat endoporus 79 is suitable for reading has mouth seat flange 78, connection jaws seat 75 has endoporus shoulder block 22 bottom mouth seat endoporus 79, and endoporus shoulder block 22 center has between wiring through hole 23 and mouth seat endoporus 79 and has axiality; Gland flange 17 outer rim has gland through hole 37 corresponding with the screw on mouth seat flange 78, the inner face of gland flange 17 having between gland boss 39 and mouth seat endoporus 79 is matched in clearance; Gland flange 17 center has gland inner bolt hole 38 to match with the inner external screw thread of pin interfaces 65; The first pad 19, closed hole circle 67 and the second pad 18 is had successively between endoporus shoulder block 22 and gland boss 39; First pad 19 is placed on bottom mouth seat endoporus 79 and againsts endoporus shoulder block 22, put into closed hole circle 67 and the second pad 18 more successively, gland boss 39 in gland flange 17 is aimed at mouth seat endoporus 79, the gland through hole 37 that three gland bolts 88 pass through in gland flange 17 outer rim is tightened with the screw on mouth seat flange 78, airtightly after making closed hole circle 67 compressive deformation holds cable 55 tightly.Above-mentioned outlet structure is applicable to the outlet of flame-proof type motor, have safe and reliable to operation, installation and debugging convenient, save air compressor machine inner space, winding displacement facilitates advantage.

(4) the outer drum flange 122, washed on urceolus 103 opening is provided with cylinder door 102 just above, housing flange 121 on shell front panel 104 opening on casing 101 just above and airtightly between the back side after outer drum flange 122 is connected with bellow seal ring 124, had not only been accomplished static sealing but also can have been born the vibrations of certain amplitude of oscillation.

(5), under the utility model cushions the synergy of upper spring 230 among wheels 120 and lower spring 250 and plane bearing ball 277 outside, can in movement arbitrarily on uneven ground of jolting, buffering effect is better, and mobile specially turn to sensitive.

(6) the interior surge combination part, in the utility model comprises four and hangs and draw welding piston buffer 169 and two supporting welding piston buffer 161; No matter the inner rotating speed speed of cylindric washer 401 or imbalance are trembled, and the dual-stage buffer structure of above-mentioned interior surge combination part, can guarantee that the utility model overall operation is steady all the time.

Claims (2)

1. a disc type motor welding piston buffering dry-cleaning equipment, comprise casing (101) and cylindric washer (401), also comprise heat pump clothes-drying system, solvent recovering system, interior surge combination part and outer buffering wheels (120) and disk rotor frame motor sub-assembly (110); Described heat pump clothes-drying system comprises air transporting arrangement (412), condenser (411), evaporimeter (410) and solvent recovery pipe valve (400), and the air inlet (492) of described heat pump clothes-drying system is all communicated with cylindric washer (401) with air outlet (490); Described solvent recovering system comprises soiling solution tank (402) and clean liquid case (403); Described soiling solution tank (402) is communicated with by the first pipeline (404) with described cylindric washer (401); Described soiling solution tank (402) is connected by the second pipeline (405) with described clean liquid case (403), described second pipeline (405) is provided with the first filter (406) and solvent pump (407), described clean liquid case (403) is also communicated with described cylindric washer (401); Described cylindric washer (401) comprises washing urceolus (103) and rolling inner core (108), rolling inner core (108) is positioned at washing urceolus (103) inner chamber, urceolus rear board (131) on described washing urceolus (103) is airtight be fixed on upright plate (180) just before, the motor front shroud (20) on disk rotor frame motor sub-assembly (110) is airtight is fixed on upright plate (180) back side afterwards; There is orifice plate (105) before cylinder rolling inner core (108) front end, and there is cylinder rear board (181) rolling inner core (108) rear end; Motor shaft (40) on disk rotor frame motor sub-assembly (110) passes through motor perforation (185) and turns hub (90) with the cylinder being positioned at cylinder rear board (181) center and be in transmission connection; The bedplate (190) of described casing (101) bottom there are four base plate wheel bore (194), each base plate wheel bore (194) has one group to cushion wheels (120) outward; It is characterized in that:

Described interior surge combination part comprises four and hangs and draw welding piston buffer (169) and two supporting welding piston buffer (161), described disk rotor frame motor sub-assembly (110) comprises motor case (10), motor front shroud (20), back cover of motor plate (30), rotor field spider (32), motor shaft (40), fore bearing (25), rear bearing (35) and cylinder turn hub (90), motor shaft (40) is fixedly connected with rotor field spider (32), rotor field spider (32) is fixed with the annular disk (83) of multipole magnetization, motor front shroud (20) is fixed with and is positioned at the other stator winding (11) of annular disk (83), the both sides of annular disk (83) are fixed with stator core (50) respectively, motor front shroud (20) is fixed with the iron core first half (51) of stator core (50), back cover of motor plate (30) is fixed with the iron core later half (52) of stator core (50), motor front shroud (20) and back cover of motor plate (30) is fixed with respectively at the same front stator tooth (12) that circumferentially distributes and rear stator tooth (13), have gland flange (17) between connection jaws seat (75) on pin interfaces (65) and motor case (10), closed hole circle (67) is fixed in the mouth seat (79) of connection jaws seat (75) by gland flange (17), bearing bonnet (33) back cover of motor plate (30) is equipped with, bearing bonnet (33) is fixed by screws on back cover of motor plate (30), and bearing bonnet (33) the inner is stretched into the bonnet dead eye (34) on back cover of motor plate (30) and propped up rear bearing (35), motor front shroud (20) is fixed with bearing carrier (80), bearing carrier (80) is fixed by screws on motor front shroud (20), and component for adjusting ring (82) the inner on bearing carrier (80) is stretched into the Front Cover Bearing hole (24) on motor front shroud (20) and propped up fore bearing (25), bearing carrier (80) outer end and cylinder turn between hub (90) a no inner-ring bearing (60),

Connection jaws seat (75) has mouth seat flange (78) in mouth seat endoporus (79) upper end, connection jaws seat (75) has endoporus shoulder block (22) in mouth seat endoporus (79) bottom, and endoporus shoulder block (22) center has between wiring through hole (23) and mouth seat endoporus (79) and has axiality; Gland flange (17) outer rim has gland through hole (37) corresponding with the screw on mouth seat flange (78), the inner face of gland flange (17) having between gland boss (39) and mouth seat endoporus (79) is matched in clearance; Gland flange (17) center has gland inner bolt hole (38) to match with pin interfaces (65) inner external screw thread; The first pad (19), closed hole circle (67) and the second pad (18) is had successively between endoporus shoulder block (22) and gland boss (39).

2. a kind of disc type motor welding piston buffering dry-cleaning equipment according to claim 1, it is characterized in that: urceolus front panel (139) opening part on described washing urceolus (103) has outer drum flange (122), outer drum flange (122) is provided with cylinder door (102) just above, shell front panel (104) opening on described casing (101) has housing flange (121), and housing flange (121) just above and outer drum flange (122) is airtight between the back side is afterwards connected with bellow seal ring (124); Bellow seal ring (124) two ends have urceolus flanging ring (724) and shell flanging ring (524) respectively, urceolus flanging ring (724) by urceolus clasp (721) gland drum flange (122) back side afterwards outside, shell flanging ring (524) by shell clasp (521) gland at housing flange (121) back side afterwards; Urceolus clasp (721) is fixed on outer drum flange (122) back side afterwards together with urceolus flanging ring (724) by urceolus screw (701), casing screws (501) by shell clasp (521) together with shell flanging ring (524) be fixed on housing flange (121) just before; There is outer nozzle neck (307) between urceolus front panel (139) in outer drum flange (122) and washing urceolus (103), between the outward flange internal diameter (107) on outer nozzle neck (307) cylindrical and housing flange (121), have the monolateral gap of 11 millimeters.