CN201605456U

CN201605456U - Pulsator washing machine driven by double-speed motor

Info

Publication number: CN201605456U
Application number: CN200920202472XU
Authority: CN
Inventors: 朱升祥; 李裕华; 钱立军; 陈雁; 黄欣
Original assignee: HANGZHOU GOLDFISH HOME APPLIANCES CO Ltd
Current assignee: HANGZHOU GOLDFISH HOME APPLIANCES CO Ltd
Priority date: 2009-12-17
Filing date: 2009-12-17
Publication date: 2010-10-13
Anticipated expiration: 2019-12-17

Abstract

The utility model relates to a pulsator washing machine driven by a double-speed motor, which comprises a washing inner barrel, a water containing barrel, a transmission device and a control system. The transmission device comprises the double-speed motor, a washing shaft, an upper dewatering shaft, a lower dewatering shaft, a traction apparatus which does not work under a washing programme, but works under a dewatering programme, a pawl arm for driving a pawl, a ratchet, the pawl for controlling the ratchet and a square wire torsional spring. A motor shaft of the double-speed motor is connected with the washing shaft and the lower dewatering shaft. The washing shaft, the lower dewatering shaft and the upper dewatering shaft are arranged concentrically. The upper dewatering shaft is a hollow shaft sleeved outside the washing shaft. The square wire torsional spring surrounds the outer peripheries of the concentric lower dewatering shaft and upper dewatering shaft. An output of the traction apparatus is connected with the pawl arm. The pawl stirs the ratchet to make the square wire torsional spring screwed or expand. The utility model reduces a reducing mechanism and a transmission mechanism of a clutch and uses the double-speed motor to directly drive the washing machine to work so as to effectively improve energy efficiency and stability of the washing machine, reduce failure rate of the washing machine, reduce noise of the washing machine and prolong the service life of the washing machine.

Description

The pulsator washing machine that double-speed motor drives

Technical field

The utility model patent belongs to the transmission mechanism technical field of pulsator washing machine, is specifically related to the coaxial clutch mechanical device of pulsator washing machine.

Background technology

The full automatic impeller formula washing machine that provides in the market, its type of drive is the structure that adopts motor to carry out work by belt drives speed-reducing clutch drive impeller and dehydration barrel, because motor is only exported a kind of speed, so the function that clutch must possess deceleration and duty switching simultaneously is installed, with different operating speed and the duty that satisfies washing and dewater.The shortcoming of this structure is: to having relatively high expectations of clutch, require it to have simultaneously and slow down and state switching performance, structure is complicated, and power attenuation and noise are big, easily break down.

Summary of the invention

At above-mentioned weak point, the utility model provide a kind of simple in structure, easy for installation, avoid the full automatic impeller formula washing machine that weares and teares, it is without the belt drives clutch, there is not deceleration device, washing and dewatering state switch quick reliable, it can reduce power attenuation and noise effectively, reduces the washing machine fault that causes owing to the clutch fault, thereby improves the service life of washing machine.

The technical scheme that its technical problem that solves the utility model adopts is:

The pulsator washing machine that double-speed motor drives, comprise bucket in the washing, steel ladle, transmission device and control system, it is characterized in that described transmission device comprises double-speed motor, wash shaft, the dehydration lower shaft, axle in the dehydration, the tractor of not working under the washing procedure and just working under the dehydration procedure, the pawl arm of driving click, ratchet, the ratchet and the square line torsion spring of control ratchet, the motor shaft of double-speed motor and wash shaft, the dehydration lower shaft connects, wash shaft, dehydration lower shaft and dehydration are gone up axle and are installed with one heart, axle is for being enclosed within the hollow shaft outside the wash shaft in the dehydration, side's line torsion spring is enclosed in concentric dehydration lower shaft and dewaters and go up the outer peripheral face of axle, tractor output connects pawl arm (19), ratchet is stirred ratchet, and the side's of making line torsion spring screws or distending.

Double-speed motor is directly installed on water tub of washing machine and installs on the base plate, coaxial arrangement of clutch is equipped with in the rotor top, be provided with on the double-speed motor rotor with the concentric wash shaft of rotor concentric and concentric dehydration lower shaft, concentric wash shaft on impeller, the concentric lower shaft that dewaters are installed are connected dehydration by arrangement of clutch and goes up axle and go up a connection washing machine inner tub by dehydration, spool whether rotate the working procedure and the coaxial arrangement of clutch that can pass through the computer plate in the dehydration to control.When washing machine was in the washing state, double-speed motor was in low speed state, and the concentric wash shaft of motor drives impeller and slowly runs, and axle is owing to the effect of coaxial arrangement of clutch is not turned round in the dehydration; When washing machine is in dewatering state, double-speed motor is in the fast turn-around state, ratchet on coaxial arrangement of clutch under the effect of tractor is opened, the square line torsion spring that is contained in the ratchet is held the concentric dehydration lower shaft of original separation tightly and the upward axle that dewaters, make that dehydrating shaft drive washing machine inner tub turns round simultaneously and rapidly up and down, because concentric wash shaft, the dehydration lower shaft is contained on the rotor of double-speed motor simultaneously with one heart, when double-speed motor fast turn-around, wash shaft drives impeller, dewater lower shaft, dehydration gone up axle and driven a washing machine inner tub and rotate simultaneously and rapidly with one heart, realizes dewatering and turns round.

Compared to existing technology, the beneficial effects of the utility model are to reduce the reducing gear and the transmission mechanism of clutch, directly drive washing machine work with double-speed motor, the efficiency and the stability of washing machine have been improved effectively, reduced the fault rate of washing machine, the washing machine noise reduces, and prolong the service life of washing machine.

Description of drawings

Fig. 1 is the structural representation of the utility model rotary drum washing machine;

Fig. 2 is the structural representation of double-speed motor and coaxial arrangement of clutch.

Description of reference numerals: 1 is steel ladle; 2 is washing machine inner tub; 3 is the washing machine plate; 4 is impeller; 5 is drainpipe; 6 for installing base plate; 7 is the washing machine inner tub collet; 8 is the computer control panel; 9 is coupling nut; 10 is the motor cover plate; 11 side's of being line torsion springs; 12 is shell; 13 is motor stator; 14 is rotor; 15 is the lower shaft that dewaters with one heart; 16 is lower bearing; 17 is ratchet; 18 is ratchet; 19 is pawl arm; 20 is tractor; 21 is upper bearing (metal); 22 are the upward axle that dewaters; 23 is concentric wash shaft.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing:

As illustrated in fig. 1 and 2, the pulsator washing machine that double-speed motor drives comprises bucket 2, steel ladle 1, transmission device and control system in the washing, and bucket 2 inwalls are plugged with washing machine plate 3 in the washing; Drainpipe 5 is in steel ladle 1 bottom.

Described transmission device comprises double-speed motor, wash shaft 23, dehydration lower shaft 15, axle 22 in the dehydration, the tractor 20 of not working under the washing procedure and just working under the dehydration procedure, the pawl arm 19 of driving click, ratchet 17, the ratchet 18 and the square line torsion spring 11 of control ratchet, the motor shaft of double-speed motor and wash shaft 23, dehydration lower shaft 15 connects, wash shaft 23, dehydration lower shaft 15 and dehydration are gone up axle 22 and are installed with one heart, axle 22 is for being enclosed within the hollow shaft outside the wash shaft in the dehydration, side's line torsion spring 11 is enclosed in concentric dehydration lower shaft 15 and dewaters and go up the outer peripheral face of axle 22, tractor 20 outputs connect pawl arm 19, ratchet 18 is stirred ratchet 17, and the side's of making line torsion spring 11 unscrews or distending.Tractor 20 and double-speed motor are controlled by control system, receive its instruction, be in non-dewatering state at automatic washing machine, square line torsion spring 11 is in lax distending state, axle 22 not couplings are gone up in dehydration lower shaft 15 and dehydration with one heart, and the rotatory force of motor shaft can not drive dehydration and go up axle.Under dewatering state, ratchet 18 is stirred ratchet 17, and the side's of making line torsion spring 11 screws, and dewater with one heart lower shaft 15 and dehydration are gone up axle 22 and formed once in a while, and the power by motor shaft is input to dehydration and goes up axle 22.

Double-speed motor is installed in to be installed on the base plate 6, and when computerized control system sent the washing working signal, the speed low-speed running that double-speed motor is controlled with washing procedure was contained in concentric wash shaft 23 on the rotor, the lower shaft 15 synchronous low-speed runnings that dewater with one heart.This moment, tractor 20 was not worked down in programme-control, pawl arm 19, ratchet 17, ratchet 18, square line torsion spring 11 also just are in non-driven state and promptly do not work, because square line torsion spring 11 is not held concentric dehydration lower shaft 15 simultaneously tightly and axle 22 is gone up in dehydration, axle 22 is not worked in the dehydration, have only concentric wash shaft 23 to drive superincumbent impeller 4 runnings are installed, realized washing.

When computerized control system sends dehydration during working signal, the speed fast turn-around that double-speed motor is controlled with dehydration procedure is contained in concentric wash shaft 23 on the rotor, the lower shaft 15 that dewaters turns round simultaneously and rapidly with one heart.Tractor 20 is started working under the control of computer program, and pawl arm 19, ratchet 17, ratchet 18, square line torsion spring 11 are also along with action, and axle 22 is owing to the effect of holding tightly of square line torsion spring 11, with the speed fast turn-around of concentric dehydration lower shaft 15 with dehydration in the dehydration.Since with one heart wash shaft 23, the lower shaft 15 that dewaters all is installed on the rotor of double-speed motor with one heart, therefore go up axle 22 when dehydration and and then dewater lower shafts 15 with one heart together during fast turn-around, be contained in impeller 4 on the concentric wash shaft 23, be contained in dehydration and go up washing machine inner tub 2 on the axle 22, realized dehydration also simultaneously with the speed fast turn-around of dehydration.

Side's line torsion spring 11, ratchet 17, ratchet 18, pawl arm 19, be contained in the top of double-speed motor rotor, its main function is in the clutch that realizes axle 22 in concentric dehydration lower shaft 15 and the dehydration under the control of computer program, be coaxial clutch mechanical device, realize washing and dewater two kinds of duty conversions, simple in structure, reliable operation.

Claims

1. the pulsator washing machine that drives of double-speed motor, comprise bucket in the washing, steel ladle, transmission device and control system, it is characterized in that described transmission device comprises double-speed motor, wash shaft (23), dehydration lower shaft (15), axle (22) in the dehydration, the tractor (20) of not working under the washing procedure and just working under the dehydration procedure, the pawl arm of driving click (19), ratchet (17), the ratchet (18) and the square line torsion spring (11) of control ratchet, the motor shaft of double-speed motor and wash shaft (23), dehydration lower shaft (15) connects, wash shaft (23), dehydration lower shaft (15) and dehydration are gone up axle (22) and are installed with one heart, axle (22) is for being enclosed within the hollow shaft outside the wash shaft in the dehydration, side's line torsion spring (11) is enclosed in concentric dehydration lower shaft (15) and the outer peripheral face of spool (22) is gone up in dehydration, tractor (20) output connects pawl arm (19), ratchet (18) is stirred ratchet (17), and the side's of making line torsion spring (11) screws or distending.