CN102661122A

CN102661122A - Coaxial and automatic water feeder for water drill

Info

Publication number: CN102661122A
Application number: CN2012101544530A
Authority: CN
Inventors: 陈月辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-03-20
Filing date: 2012-05-18
Publication date: 2012-09-12
Anticipated expiration: 2032-05-18
Also published as: CN102661122B; CN102561949A

Abstract

The invention discloses a coaxial and automatic water feeder for a water drill. The coaxial and automatic water feeder is characterized by consisting of eight parts, i.e., a water feeder shell (1), a reverse transitional threaded disc (2), a bisection type eccentric sleeve (3), a special water-drill main shaft (4), a driving bearing (5), a combined water guide shaft sleeve (6), a pumping pipe assembly (7) and a skeleton water seal (8), wherein the coaxial and automatic water feeder is arranged at the part of a rotary water sealing box of the traditional external water source drill; the reverse transitional threaded disc (2) is rotatably arranged on a screw thread (109) at the front end of a speed reducing box shell of the water drill; the bisection type eccentric sleeve (3) is of a structure which is sectioned into the form with a thick-wall semitile and a thin-wall semitile, is fastened on a shaft neck (9) of the installing section of the eccentric sleeve of the water-drill main shaft, is positioned by symmetric steel balls (15) and transfers the torque; and after being sheathed by the driving bearing (5), an eccentric sleeve shaft neck (64) is fixed by a clamping spring, and the water feeder shell (1) is arranged along the shaft, so that the coaxial and automatic water feeder which can be disassembled or assembled without pulling or disassembling the water-drill main shaft. The coaxial and automatic water feeder disclosed by the invention brings great convenience for specialized division and maintenance in production, is an upgraded product of an automatic water feeding technology for the water drill, and has good social and economic benefits.

Description

Water bores uses coaxial automatic water feeder

Affiliated technical field

A kind of water bores use coaxial automatic water feeder, and it is a kind of diaphragm pump that can direct-axis disintegrates, and is installed in the rotation water seal box position of traditional external source water brill.It is Absorb Water when utilizing water brill self power to realize that the water driller does that water bores with coaxial automatic water feeder, and bores the confession press water through built-in water passage to water.Because it can direct-axis disintegrates or the structure design of assembling, very easy access helps traditional external source water and bores, and bores the transition upgrading to self water feeding comprehensively.

Background technology

The ZL200420064236.3 patent, circulation boring machine is used integral type automatic water supply system at random, and its basic design facts have proved it is a kind of successful creation; But in the past few years promote slowly, also proof exists weak point in many designs, the at first this automatic water supply system of integral type at random; Because the needs of structure design, the eccentric drive shaft that drives diaphragm pump work is housed on the axle journal of the back littler than the rotation aqua seal section diameter of axle, and this just requires this system before the main shaft assembling, to pre-install; Necessity splits out main shaft when also just overhauling; This has just caused the maintenance trouble, moreover it is with a kind of preposition stainless steel independence water seal box, seems to be convenient to prize replacing water seal box; And in fact this water seal box; Field worker does not have special tool and has changed not water seal, and compelled integral body is changed water seal box parts and increased cost etc., is to cause to be difficult to dominate the market, to promote main cause slowly.

Summary of the invention

Water of the present invention bores uses coaxial automatic water feeder, important contents to be, in tradition rotation water seal box position; Create a kind of need not to take out tear water open and bore main shaft, can the direct-axis assembling and the coaxial automatic water feeder that disintegrates, at first be the eccentric bushing that the installing drive bearing is used; Be designed to cuing open the type eccentric bushing; Be fastened on eccentric bushing with two half-watt modes axle journal is installed, put and fix with jump ring again after driving bearing is waled the eccentric bushing of two half-watts, so just can not take out and tear main shaft open; Can disintegrate or assemble automatic water feeder, solve a difficult problem for the operator keeps in repair voluntarily.The secondth, the independently stainless steel water seal box that omitted reduces cost with simplified structure.The 3rd is the spacer of script usefulness between two Water seal device for frame of washing machine; Be designed to the double parts of setting upright axle sleeve of water guide spacer; This has just improved the unfavoured state of diaphragm pump push rod to the main shaft cantilever force, also improves Water seal device for frame of washing machine application life and improves pump efficiency owing to the centralizing function to main shaft.

The technical scheme that technical solution problem of the present invention is adopted is; Water bores with coaxial automatic water feeder by water feeder housing, left-hand thread transition screw thread dish, form cuing open type eccentric bushing, dedicated water brill main shaft, driving bearing, combination water guide axle sleeve, water pump suction pipe assembly and Water seal device for frame of washing machine eight parts; Left-hand thread transition screw thread dish dress is solid to bore reduction box housing front end at water; To cuing open the type eccentric bushing from center line perpendicular to the axis hole of semicircle keyway; Be heavy wall and two half-watts thin-walled to cuing open, be fastened on the eccentric bushing installation position that dedicated water is bored main shaft to cuing open the type eccentric bushing, the left side is a step with stainless steel axle sleeve position; It is spacing that the right side fastens two steel balls that the symmetry of living places with semicircle keyway, eccentric bushing also with steel ball for the key transfer torque.On the axle journal that cuts open the eccentric bearing set of type, put driving bearing, wale after cuing open the type eccentric bushing, dress plastics watershedding sheet is fixed with jump ring again in the bearing left side.The basic structure form of water feeder housing is, the diaphragm pump cavity vertically rides on the center line of eccentric drive bearing movable chamber, water feeder housing direct-axis to right-hand member; If with the screw thread that left-hand thread screw thread dish joins, oral area is established the seam of depositing damping " O " circle, the eccentric drive bearing movable chamber left side is the Water seal device for frame of washing machine chamber; Between two opposed Water seal device for frame of washing machine; Be provided with the combination water guide axle sleeve of having held concurrently to the axle centralizing function, the chamber outer wall is a bullet, and Water seal device for frame of washing machine is fixed with jump ring.After the water feeder housing had been pre-installed Water seal device for frame of washing machine and made up the water guide axle sleeve, the direct-axis spinning was utilized the resistance locking automatic water feeder water intaking valve joint orientation of damping " O " circle of close-fitting to left-hand thread transition screw thread dish.A kind of like this need not to take out tear the structure that water bores the coaxial automatic water feeder that main shaft can disintegrate or assemble open, the part of repairing damage can be changed in the workman scene.The water feeder housing, to cuing open type eccentric bushing and transition screw thread dish with gathering the manufacturing of carbon class high-strength engineering plastic; Left-hand thread transition screw thread spirals and receives the screw thread position on the water brill reduction box; Reinforce with the built-in metal filament snap ring; Firm for injection moulding, the afterbody of built-in metal filament snap ring is done outwards a little for example flange processing of one to two millimeter.Prior arts such as the barrier film of using in the barrier film pump chamber of water feeder, stage clip, push rod, oilite bushing, pump cover do not have reform in this programme, dress non-return ball valve made of plastic in the water intaking valve joint of water feeder; At the water feeder delivery port water outlet non-return ball valve made of plastic is housed, water outlet is through the inner lead in the inner lead diagonal bar on the water feeder housing, and the combination water guide axle sleeve between two Water seal device for frame of washing machine is introduced water and bored the main shaft waterway; Transport to and bore tube, in order to simplify the water yield adjustment structure of water feeder, with the inlet opening of the water intaking valve joint end face of water feeder; Directly make eccentric water hole, with the eccentric orfice on the pump suction pipe connection-peg inner bottom part plane that is socketed on the water intaking valve joint, the face-to-face adjusting output that directly misplaces; Thereby save the burden that is provided with lower contact in the ZL200420064236.3 patent, be, the petal-shaped rubber water absorbent valve cancellation that the pump suction pipe is terminal for the important reform of pump suction pipe assembly; Because its weight is extremely light, be prone in water receptacle natural torsion because of sebific duct and will make suction valve stick up the water outlet face ringing normal suction, reform the suction water pipe end into and patch and have the aerate stone filter ball that the hammer recast is used; Make and be sunken to all the time in the water; And change pump suction pipe suction check valve set and be located at preparatory suction and inhale the end opening of ball with pump, the suction check valve set is formed by the check valve body of injection moulding, baton round, soft stage clip with by the spring abutment of through hole, and the circular groove groove is arranged on the valve body outer rim; The big mouth that pump is inhaled ball is in the end opening lock ring what circular groove groove; The valve body afterbody is the hangnail joint that through hole is arranged, the long rubber hose of pegging graft, and to receive more than the ball between the connection-peg be a brachymemma sebific duct and pump is inhaled; Just bore the operator on hand so that pump is inhaled ball, be convenient to operation at self water feeding.

Description of drawings

Fig. 1 is that water bores with coaxial automatic water feeder overall structure sketch map, and this figure also is a Figure of abstract;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is a water feeder shell structure sketch map;

Fig. 4 is the vertical view of Fig. 3;

Fig. 5 is the left view of water feeder housing Fig. 3;

Fig. 6 is to cuing open type eccentric bushing structural representation;

Fig. 7 is to cuing open the left view of type eccentric bushing;

Fig. 8 is the right view of Fig. 6;

Fig. 9 is that water bores with coaxial automatic water feeder dedicated water brill main axle structure sketch map;

Figure 10 is the structural representation of left-hand thread transition screw thread dish;

Figure 11 is the right view of Figure 10;

Figure 12 is the structural representation of pump suction pipe assembly;

Figure 13 is a combination water guide shaft nested structure sketch map;

Figure 14 is the A-A generalized section of Figure 13

The specific embodiment

Water as shown in Figure 1 bores the overall structure sketch map with coaxial automatic water feeder, this graph expression water bore and use coaxial automatic water feeder, it rotates water seal box position through transition screw thread dish 2 spinnings at the traditional water brill; But be the accessories type waterworks that a kind of direct-axis disintegrates, on the screw thread of water brill reduction box 29 front ends, also drip glue with left-hand thread transition screw thread dish 2 spinnings and fix that sequence number 1 is the water feeder housing; The 3rd, to cuing open the type eccentric bushing; It is fastened on dedicated water with two half-watt patterns and bores on the axle journal 9 of main shaft 4, with steel ball 15 transfer torques in the steel ball hole that is preset in two symmetries and location, to suit driving bearing 5 on the outer rim axle journal that cuts open the type eccentric bushing; A plastics watershedding sheet 17 is adorned in the bearing left side; With jump ring 16 eccentric bushing is fixed, driving bearing 5 promotes push rod 25 at the volley, drives the barrier film 19 pump water that moves up and down again; Here clear find out tear water open and bore main shaft and can disintegrate or assemble coaxial automatic water feeder cuing open type eccentric bushing structural approach, solved to need not to take out.Given and produced the convenience very big with maintenance.The seam of damping " O " circle 27 is put in the screw thread oral area setting of water feeder housing 1, with close-fitting " O " damping force of circle, lock the orientation of water intaking valve joint 26; As can beappreciated from fig. 1 diaphragm pump cavity 57 vertically rides on the center line of the motion chamber of driving bearing 5, and the preceding half cone segments 32 of water feeder housing 1 is the Water seal device for frame of washing machine chamber in it; It between two opposed Water seal device for frame of washing machine 8 combination water guide axle sleeve 6; It is the water guide spacer, and its internal diameter has one section polytetrafluoroethylene (PTFE) wearing ring to play centralizing function again, can find out among the figure; Diaphragm pump driving bearing 5; Its radial force point just in time is in former water auger spindle and holds 30 and play between the combination water guide axle sleeve 6 of setting upright the axle sleeve effect, and this stress that just is greatly improved has fine effect to improving Water seal device for frame of washing machine application life and pump efficiency.7 signal pump suction pipe assemblies, the 10th, leak peep hole in the water seal, the 11st, water auger spindle waterway, the 12nd, two seals " O " circle of replaceable wear stainless steel axle sleeve 14; The 13rd, jump ring is used in the hole, and the 18th, oilite bushing, the 20th, pump cover sealing ring, the 21st, pump cover; It is screwed connection, the 22nd, and reseting pressuring spring, the 23rd, barrier film Upper gasket, the 24th, lower gasket; The 26th, water intaking valve joint, the 79th, the built-in metal filament snap ring of left-hand thread transition screw thread dish 2, the 28th, the screw thread head that the water auger spindle is connected with the brill tube; The flat side of spanner on the 31 signal axles, the 33rd, the inner lead diagonal bar on the signal water feeder housing, the 38th, the signal pump cover is pulled the hole.

As shown in Figure 2 is that water bores the vertical view with coaxial automatic water feeder Fig. 1, inner lead diagonal bar on the 33 signal water feeder housings among the figure, the 34th, inner lead inclined hole; The 39th, weep hole, the 37th, water outlet ball valve made of plastic, the 35th, water outlet valve gap; It is to be stained with tipping to join, the 36th, and soft stage clip, the 26th, water intaking valve joint; The 40th, advance the water ball valve made of plastic, the 41st, the soft stage clip of water intaking valve can find out among the figure that its connection-peg 42 of pump suction pipe assembly 7 is socketed on the bead of water intaking valve joint 26; Eccentric water hole 44 is arranged on the end face of water intaking valve joint, be provided with eccentric water hole 43 equally on the baseplane in the connection-peg of pump suction pipe 42, have the plane of eccentric orfice to lean on mutually when two; Twist connection-peg and can directly set up the degree of misalignment adjusting output in two eccentric water holes, the 86th, show flange, connection-peg is twisted in the arrow signal.

As shown in Figure 3 is the structural representation of water feeder housing 1, the 53rd, and water intaking valve joint installation base, the 54th, the water intaking valve joint conical surface of splicing; Generally be stained with and connect with glue, the 52nd, the V-seal groove of barrier film 19 is installed, the 50th, the installing hole of oilite bushing 18; The 55th, the boss of dress oilite bushing, 33 signal inner lead diagonal bars, the 34th, inner lead inclined borehole; The 48th, the water outlet valve gap assembling conical surface, the 47th, the outlet valve conical surface, the 46th, outlet valve boss; In the preceding half cone 32 of water feeder housing 1 is the Water seal device for frame of washing machine chamber, the 39th, and weep hole.

As shown in Figure 4 is the vertical view of water feeder housing Fig. 3, this graph expression outlet valve installation base 46, for the oblique layout of derivation conduit makes things convenient for rat holing, its center line parallel segment distance of setovering left; The 33rd, the inner lead diagonal bar, the 34th, the inner lead that tiltedly bores is guided to stage casing, Water seal device for frame of washing machine chamber with water outlet; The 47th, the outlet valve conical surface, the 39th, weep hole, the 51st, deposit damping " O " and enclose 27 seam; The the 45th and the derotation screw thread that joins of left-hand thread transition screw thread dish 2, the 69th, the motion chamber of eccentric drive bearing 5, the 59th, Water seal device for frame of washing machine chamber; The 60th, water seal stop bit step, the 58th, jump ring groove, the 56th, barrier film pump chamber; The 57th, signal diaphragm pump cavity, 10 is to leak peep hole, the 52nd, the installation V-seal groove of barrier film 19 in the Water seal device for frame of washing machine among the figure.

As shown in Figure 5 is the left view of water feeder housing Fig. 3, the clear locations of structures of having expressed built-in water passage of this figure, the 33rd, inner lead diagonal bar; It links the oblique upper in cone 32 stage casings, Water seal device for frame of washing machine chamber from outlet valve boss 46 belows, and the 53rd, the water intaking valve installation base, the cone of water intaking valve joint 26 is set in the taper hole 54 to be stained with the mode that connects; The 63rd, soft press spring base; The 50th, oilite bushing installing hole, the 62nd, inlet opening, the 74th, the barrier film peep hole that leaks.

As shown in Figure 6 is to cuing open the structural representation of type eccentric bushing 3, shows among the figure that axis hole 67 is to be center line with a, and the axle journal of dress driving bearing 5 64 is a center line with b; Two times of eccentric distance e promptly is the theoretical work stroke of diaphragm pump; Cut open on the axis hole 67a center line that the position is located at semicircle keyway 68 vertical direction, occur half-watt 108 2 parts of the half-watt 107 and the thin-walled of heavy wall after cutting open, semicircle keyway plays the transfer torque effect; Also held concurrently and prevented the effect of the location retaining of play to the right; So symmetry is equipped with semicircle keyway 68 on two half-watts, 66 is jump ring grooves among the figure, the 65th, and bearing stop bit step.

As shown in Figure 7 is the left view of Fig. 6, and this figure can find out the kerf width h that cuts open, generally as long as technology possibly be apparent that eccentric structure to be worth little good for example 1 millimeter that is, can to find out between axle journal 64 and the fastening axis hole 67.

As shown in Figure 8 is the right view of Fig. 6, and this view direction can see that the R value of semicircle keyway 68 should be equivalent to the radius of steel ball 15.

As shown in Figure 9 is that water bores the structural representation that bores main shaft 4 with the automatic water feeder dedicated water, and step 74 the right are typical constructions that water bores main shaft among the figure, should bore the accurate execution of emblem mark by water.Axle journal 9 is to fasten cuing open the position of type eccentric bushing; Just than a section of the external source water auger spindle of tradition lengthening, the position of Water seal device for frame of washing machine seal section that is insert stainless steel axle sleeve 14, the design uses the ZL201120149050.8 patented technology and improves; With its original no sealing, interference fit and be stained with the scheme that connects; Change at the both wings of catch basin 76 and set up round section joint ring 12 assurance sealings, and make it to become the stainless steel axle sleeve that can change after the wearing and tearing, can make main shaft become long-acting main shaft.There is the worry of wound of cutting " O " circle in the water hole 75 of thin-wall stainless steel axle sleeve 14 during assembling when crossing first road " O " circle; The design does the special chamfering in β angle to the inboard of first road " O " circle groove 71; β chamfering size is 1/3rd to 2/5ths groove depths, and the β angle is 45 °, and " O " circle has bigger deformation space when utilizing the generation shearing force like this; Be able to avoid assembling the damage of via hole, do not influence outside sealing again " O " circle.The flat side's 31 position axle journals 70 of spanner, but diameter reduction 1/2nd thin-wall stainless steel sleeve wall thickness values can conveniently be changed putting to good use of axle sleeve frock, and 28 is that water bores and bore a screw thread head that is connected among the figure.72 is holes, steel ball cave of two symmetries, and it is located at and fastens corresponding position to cuing open type eccentric bushing 3 first circular keyways 68, inserts steel ball 15 backs and plays the transfer torque work, also will make it play the effect of anti-channeling location to the right.29 signal water bore reduction box; 109 signal reduction box terminations were adorned the left-hand thread screw thread of rotation water seal box originally, and it is basically unified that each water of this standard bores factory, if water brill main shaft can be all with datum G; Unified d and c localization criteria by coaxial automatic water feeder requirement; The water brill main shaft of production and assembly band abrasion-proof stainless steel axle sleeve 14 numerous water then can occur and bore the coaxial automatic water feeder that factory can produce self water feeding brill bare machine and specialized production, the situation of dividing channel to come into the market; The client can buy as general-purpose accessory coaxial automatic water feeder, will greatly simplify circulation and saves cost.

Shown in figure 10 is the structural representation of left-hand thread transition screw thread dish 2, the 79th, in order to the metal filament snap ring of reinforcing, its pre-buried being injection-moulded in the screw thread disk body; The 80th and water bore in the left-hand thread that reduction box termination screw thread matches and detain; The 77th and the water feeder housing on the left-hand thread that matches of screw thread 45 detain outward, the 78th, stop bit step, the 81st, Hook wrench cave; The 105th, signal is firm for injection moulding; A little flange that metal filament snap ring afterbody is done is handled, and the 106th, signal is for the needs of rigging position, the metal filament snap ring seam that a segment distance occurs that inwardly contracted.

Shown in figure 11 is the right view of Figure 10, and the spanner cave is semicircle among the figure, also can square trench, but discord stop bit step 78 communicates, and spanner cave 81 is established 4-6.

Shown in figure 12 is the structural representation of pump suction pipe assembly 7, and it is to reform with the difference of the said pump suction pipe of ZL200420064236.3 patent has cancelled the terminal petal type rubber water intaking valve of pump suction pipe long length hose, because of its deadweight extremely light; The natural torsion of sebific duct can stick up the water exit container water surface with it, and causing supplies water interrupts, and second reason is that water intaking valve is located at end; And absorb water in advance when pinching pump suction ball, need the water inlet ball valve made of plastic 40 on the dual-purpose water feeder housing to be outlet valve above, distance is long between them; Efficient is not high, and reforming the end that is dipped in the water now into is the filter ball 97 that aerate stone is made, and constant weight is arranged; Held concurrently and hammered recast usefulness into shape, made to be sunken in the water, the big mouth that pump is inhaled ball is that end opening is established suction check valve set 90; And pump is inhaled ball 88 to connecing use one brachymemma sebific duct 82 between the connection-peg 42 of water feeder, makes pump inhale ball and just bores the nearly hand of operator at water, very is convenient to operation; Also improved simultaneously and pinched the efficient that pump is inhaled ball, check valve body 92 water inlet ends are connected with bottom long length hose 95 with hangnail tube side formula, dress ball valve made of plastic 94 in the check valve body; Reset with soft stage clip 93, the 89th, the valve gap of through hole is arranged, it is that the end opening lock ring is in the outer rim groove 91 of check valve body 92 that pump is inhaled big mouthful of ball 88; The 87th, pump is inhaled the connector between ball 88 and the short

sebific duct

82, and 83 in the connection-peg 42 is the stiffener pipes that prevent the sebific duct distortion, and the 43rd, eccentric water hole; The 84th, anticreep groove, the 85th, interface, neither one hole cavity volume 98 in the middle of the aerate stone filter ball 97; Be to stop up chance for effective cross sectional area and the minimizing filter bulb that guarantees fitting joint 96 oral areas.

Shown in figure 13 is the structural representation of combination water guide axle sleeve 6; The 99th, the water guide spacer ring, the 102nd, the polytetrafluoroethylene (PTFE) axle sleeve ring of thin-walled can be bumped into; Also can annotate axle sleeve ring 102 quadric injection moulds earlier is integrated in water guide spacer ring 99 inner chambers; 101 is that two side diversion apertures and 103 water guide mouths communicate, the 100th, and annular groove, the 104th, aproll chamber.

Shown in figure 14 is the A-A sectional drawing of combination water guide axle sleeve Figure 13, and 103 water guide mouths are two of symmetry.

Water of the present invention bores the embodiment with coaxial automatic water feeder, like Fig. 1 to Figure 14 and description of drawings, it constituted can practicality product; Since be provided with combination water guide axle sleeve at the Water seal device for frame of washing machine position, the bending moment force that comes anti-main shaft to occur because of diaphragm pump, thus improve Water seal device for frame of washing machine working condition and favourable raising pump efficiency; And then get rid of independently that stainless steel water seal box directly reduces cost, and the reform of pump suction pipe assembly more becomes complete, particularly owing to use to cuing open type eccentric bushing structure; Overcome self water feeding and bored the difficult point in the maintenance; Realized need not to take out and torn the part that main shaft can the field replacement water feeder open, created a kind of numerous brand water and bored factory and need not to change original separately production procedure, just can participate in producing the opposing party that self water feeding bores bare machine and the coaxial automatic water feeder of professional production; The possibility of dividing channel to come into the market; Self water feeding bores to be produced division of labor based on specialization more and simplifies the market circulation link, saves cost, and good condition has been created in the all-round popularization that self water feeding bores; It is that water bores the upgrading with the self water feeding technology, has good society and economic benefit.

Claims

1. a water bores and use coaxial automatic water feeder, it is characterized in that water bores with coaxial automatic water feeder by water feeder housing (1), left-hand thread transition screw thread dish (2), to cuing open type eccentric bushing (3), dedicated water brill main shaft (4), driving bearing (5), making up water guide axle sleeve (6), pump suction pipe assembly (7) and Water seal device for frame of washing machine (8) eight parts and form, and left-hand thread transition screw thread dish (2) spinning is bored on the end screw thread of reduction box (29) at water; To cuing open type eccentric bushing (3) is to be heavy wall half-watt (107) and thin-walled half-watt (108) two parts from axis hole (67) the center line a perpendicular to semicircle keyway (68) to cuing open, and is fastened on eccentric bushing construction section (9) position that dedicated water is bored main shaft (4) to cuing open type eccentric bushing (3), and the left side is a step with stainless steel axle sleeve (14) termination; The right side, puts driving bearing (5) and wales after cuing open type eccentric bushing (3) the axle journal (64) that cuts open type eccentric bushing (3) to fasten the spacing and transfer torque of two steel balls (15) of the symmetry of living; The dress plastics block water plates (17) in the bearing left side are fixed with jump ring (16), have pre-installed the water feeder housing (1) of Water seal device for frame of washing machine (8) and combination water guide axle sleeve (6); The direct-axis spinning is leaned on the orientation of the damping force locking water feeder water intaking valve joint (26) of damping " O " circle (27) to the screw thread (77) of left-hand thread transition screw thread dish (2), dedicated water is bored the seal section of main shaft (4) in Water seal device for frame of washing machine (8); The both wings of the groove that catchments (76) of the axle journal section of insert replaceable wear stainless steel axle sleeve (14) are established " O " shape sealing ring (12), and the anti-β of shearing of " O " circle via hole chamfering is established in the inboard of the first road o-ring groove (71) of the direction of packing into; One section is to cuing open the installation axle journal (9) of type eccentric bushing (3), reply is being cutd open first circular keyway (68) position of type eccentric bushing, establishing the hole (72) of two steel balls (15) of symmetry on its right of insert replaceable wear stainless steel axle sleeve (14); The diaphragm pump cavity (57) of water feeder housing (1) vertically rides on the center line of eccentric drive bearing movable chamber (69) right-hand member of water feeder housing (1); If with the derotation screw thread (45) that left-hand thread transition screw thread dish joins, oral area is established the seam (51) of depositing damping " O " circle, is Water seal device for frame of washing machine chamber (59) in the water feeder housing left end cone (32); Dress combination water guide axle sleeve (6) between former and later two opposed Water seal device for frame of washing machine (8), Water seal device for frame of washing machine is fixed with jump ring (13), water feeder housing (1), left-hand thread transition screw thread dish and to cuing open the type eccentric bushing with gathering the manufacturing of carbon class high-strength engineering plastic; The screw thread position that left-hand thread transition screw thread dish (2) is screwed onto water brill reduction box (29) reinforces with built-in metal filament snap ring (79), dress non-return ball valve made of plastic (40) in the suction valve joint (26) of water feeder, the delivery port dress non-return ball valve made of plastic (37) of water feeder; Water outlet is through the inner lead inclined hole (34) in the inner lead diagonal bar (33) on the water feeder housing, and the combination water guide axle sleeve (6) between two Water seal device for frame of washing machine (8) is introduced water and bored main shaft waterway (11); Eccentric water hole (44) is directly made in the inlet opening of water feeder suction valve joint (26) end face, overlaps on the base plane of receiving the connection-peg (42) on the suction valve joint (26) and establishes eccentric water hole (43), and the pump of pump suction pipe assembly (7) is inhaled mouth under the ball (88); If suction check valve set (90), it is by check valve body (92), baton round (94), the soft stage clip (93) of injection moulding and have the spring abutment (89) of through hole to form, and circular groove groove (91) is arranged on the outer rim of check valve body (92); The big mouth that pump is inhaled ball (88) is in the end opening lock ring what circular groove groove (91), and the afterbody of check valve body (92) is the barb-shaped joint, the long rubber hose (95) of pegging graft; The end of long length hose is adorned the aerate stone filter ball (97) that the hammer recast of holding concurrently is used; It is one section short sebific duct (82) that pump is inhaled more than the ball (88), and an end is promptly suitable for reading through the osculum that hangnail joint (87) is connected on pump suction ball (88), and the other end of short sebific duct connects the connection-peg (42) of pump suction pipe assembly; On the short sebific duct of stiffener pipe (83), the bottom ring wall of the interface (85) of the connection-peg (42) that rubber is made was set up defences and is taken off groove (84) in its small end lock ring what of connection-peg was equipped with.

2. bore according to the described water of claim 1 and use coaxial automatic water feeder, the afterbody that it is characterized in that the built-in metal filament snap ring (79) of left-hand thread transition screw thread dish (2) is established and is turned over alice (105).

3. bore according to the described water of claim 1 and use coaxial automatic water feeder; It is characterized in that water bores with coaxial automatic water feeder dedicated water bores the anti-shearing of " O " circle via hole undercut ss that the inboard of main shaft (4) dress first road, replaceable wear stainless steel axle sleeve (14) position sealing " O " circle groove (71) is provided with; Its chamfering is 1/3rd to 2/5ths gash depths, and the β angle is 45 °.