CN1683700A - Shock reducer for support bearing of driving shaft of washing machine - Google Patents

Shock reducer for support bearing of driving shaft of washing machine Download PDF

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Publication number
CN1683700A
CN1683700A CN 200410018956 CN200410018956A CN1683700A CN 1683700 A CN1683700 A CN 1683700A CN 200410018956 CN200410018956 CN 200410018956 CN 200410018956 A CN200410018956 A CN 200410018956A CN 1683700 A CN1683700 A CN 1683700A
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CN
China
Prior art keywords
bearing
shaft
washing machine
buffering spacer
dehydrating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 200410018956
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Chinese (zh)
Inventor
尹圣鲁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Tianjin Appliances Co Ltd
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LG Electronics Tianjin Appliances Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Tianjin Appliances Co Ltd filed Critical LG Electronics Tianjin Appliances Co Ltd
Priority to CN 200410018956 priority Critical patent/CN1683700A/en
Publication of CN1683700A publication Critical patent/CN1683700A/en
Pending legal-status Critical Current

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Abstract

The shock reducer for support bearing of driving shaft in washing machine includes dewatering shaft in the washing tank to transmit the rotating force of motor, washing shaft set inside the dewatering shaft, motor, rotating shaft sleeve connecting the rotating device center and the washing shaft, bearing set in the lower part of the washing shaft, ring body set between the lower part of the bearing and the upper part of the rotating shaft sleeve, upper protuberant part on the ring body to contact the outer cycle of the bearing, and buffering spacer set between the bearing and the spacer. When there is impact transmitted from the rotating shaft sleeve to the bearing, the buffering spacer will absorb the impact to deform and act as the buffer.

Description

The washing machine driving shaft supports the vibration absorber with bearing
Technical field
The invention belongs to the vibration-proof structure of washing machine, be specifically related to the vibration absorber that bearing is used in a kind of support of driving shaft just of doing washing.
Background technology
In general, washing machine is under the percussion of current that takes up of the rotation at the soft effect of washing agent and washing flywheel, with the dust of washings such as clothes and the household electronic product of greasiness removal, the washing process of washing machine is divided into washing usually, it is clean to float, dehydration and feedwater/draining.Can be divided into upright type washing machine and roller washing machine according to the mode of washing washing machine, the sink of upright type washing machine be arranged on following turbine and separate, so the washing and float clean in sink be in static state, have only turbine to produce rotary water current when being rotated, sink and turbine will rotate together in the process of dehydration.As shown in Figure 1, 2, the inside of the shell of vertical turbine washing machine is provided with the water jacket (1) of storage washings, and the inside of water jacket (1) is provided with both can wash the sink (2) that also can dewater, and is provided with agitator (3) at the bottom surface of sink (2).Sink (2) and agitator (3) motor (500) and the gear (800) below water jacket (1) links together, and is rotated, washs and dewater thereby selectively obtain power.The dehydrating shaft (100) and the sink of sink (2) directly link together, dehydrating shaft (100) top is the last dehydrating shaft (120) of rotation sink (2), the lower inner face that links together with last dehydrating shaft (120) has the cylinder (160) that is shaped as drum, and the bottom of cylinder (160) links together, and the revolving force of motor is delivered to dehydrating shaft (120) and following dehydrating shaft parts such as (140).The internal run-through of dehydrating shaft (100) is being provided with goes up wash shaft (210) and following wash shaft (240), and the center of top and agitator (3) that is connecting the last wash shaft (210) of sink (2) bottom surface links together, and washings is carried out the rotation of both forward and reverse directions.In order to support the rotation of dehydrating shaft (120), be provided with bearing (180) between last dehydrating shaft (120) and the last wash shaft (210).Be provided with upper bearing (metal) (190) and lower bearing (195) in upper and lower two positions of dehydrating shaft (140) between following dehydrating shaft (140) and following wash shaft (240) down in order to support rotation.The inside of cylinder (160) have wash in the transmission of power of motor to last wash shaft (210), and several planetary mechanisms (220) and a central authority (242) and transmission mechanism (230) etc. that motor is slowed down.The inside of following dehydrating shaft (140) is connecting the transmission of power of motor to the following wash shaft (240) of planetary mechanism (220), is provided with in the upper end of wash shaft (240) down and planetary mechanism (220) is corresponding mutually and the transmission of power of wash shaft (240) is down arrived the central authority (242) of planetary mechanism (220).In the time of washing, the power that motor (500) is produced by down wash shaft (240), central authority (242) and planetary mechanism (220), transmission mechanism (230), go up wash shaft (210) and transmit successively, promptly planet mechanism (220) when washing between the transmission mechanism (230) of the upper and lower part of back shaft (222) and central authority (242) match carry out rotation.In the time of dehydration, planetary mechanism (220) and cylinder (160) are rotated simultaneously, and planetary mechanism (220) revolves round the sun around central authority (242).The bottom of last dehydrating shaft (120) and cylinder (160); the top of following dehydrating shaft (140) is round its protective device (300) of protection, and the top and bottom of protective device (300) are being provided with the upper and lower bearing (330,340) of supporting upper and lower dehydrating shaft (120,140) separately.In order to provide the motor (500) of revolving force and following wash shaft (240) directly to link together for dehydrating shaft (100) and wash shaft (200) as rotor arrangement (510), and the lower junction of protective device (300) lump together the generation rotating excitation field as stator apparatus (520).Rotor arrangement (510) is to be descended on the wash shaft (240) by the center fixation of rotary sleeve (530).The bottom of protective device (300) is provided with switches the switching device shifter (650) be delivered to the power on dehydrating shaft (100) or the wash shaft (200), and the motor of switching device shifter (650) and protective device (300) one side outsides links together with transmission device and changes up and down the rotary sleeve (530) at whirligig (510) center optionally is connected with following dehydrating shaft (140) power of whirligig (510) is communicated to down on the dehydrating shaft (140).
But, when above-mentioned such existing operational devices that constitutes is subjected to strong impact from below, supporting the lower bearing (195) of wash shaft (240) and following dehydrating shaft (140) to sustain damage, at this moment the rotation of lower bearing (195) just can not be so smooth, also can reduce but also increase noise, life-span.In addition, under wrapped state, carry out the movement of falling object after production finishes in the manufacturing process of washing machine from certain height, come the performance of testing package strength and product, when carrying out freely falling body, force transmission on the following wash shaft (240) and rotary sleeve (530) of operational devices, following wash shaft (240) and rotary sleeve (530) will be subjected to strength upwards.The upper end quilt of the outer ring of lower bearing (195) is supporting the inside of dehydrating shaft (140) down, the suffered power of following wash shaft (240) and rotary sleeve (530) makes the capable lower end that is delivered to the inner ring of lower bearing (195) from the pad (535) between lower bearing (195) and the rotary sleeve (530), so lower bearing (195) will sustain damage.
Summary of the invention
The objective of the invention is at the existing in prior technology problem, improve the washing machine driving shaft and support the vibration absorber of using bearing.In order to reach this purpose; technical scheme among the present invention is: a kind of driving shaft of washing machine supports the vibration absorber with bearing; it comprises the shell of washing machine; the water jacket of storage washings in the enclosure is set; be provided with the sink that can be rotated in the water jacket; be provided with the agitator that can be rotated in the inboard of sink; the dehydrating shaft that transmits motor power also is set in sink inside; be provided with the wash shaft that to carry out independently revolving and the revolving force of motor can be given to agitator with dehydrating shaft respectively in the inside of dehydrating shaft; motor mainly is made of rotor arrangement and stator apparatus; in washing procedure or dehydration procedure, the running pathway of motor for washer is switched to the switching device shifter of wash shaft or dehydrating shaft; be connected the rotary sleeve of the center and the wash shaft lower end of whirligig; on between following dehydrating shaft lower end and the following wash shaft; upper bearing (metal) and lower bearing are set down separately; the second half year bearing the bottom and the top of rotary sleeve annular body is set; protuberance on outboard end is provided with on main body; the outer ring that should go up protuberance and bearing contacts; downside at lower bearing is provided with pad, is provided with to absorb the buffering spacer that impulsive force plays the effect fibrous material making of buffering and protection bearing between lower bearing and pad.Buffering spacer preferably adopts special elastomeric fiber to make.The last protuberance of buffering spacer circumferencial direction of outboard end above buffering spacer becomes one; Perhaps the last protuberance of buffering spacer circumferencial direction of outboard end above buffering spacer forms several across certain distance, and the following outboard end of buffering spacer forms down protuberance along circumferencial direction.Buffering spacer is subjected to being delivered to the impulsive force of bearing and being out of shape from rotary sleeve, thereby absorbs the effect that impulsive force plays buffering and protection bearing.
Description of drawings
Fig. 1 is the cutaway view of the primary structure of existing washing machine;
Fig. 2 is the cutaway view of primary structure of the operational devices of existing washing machine;
Fig. 3 is the primary structure cutaway view of the operational devices of the washing machine among the present invention;
Fig. 4 is the enlarged drawing of critical piece of the vibration absorber of the bearing among the present invention.
Wherein:
1 water jacket, 2 sinks, 3 agitators,
Dehydrating shaft on 100 dehydrating shafts, 120,140 times dehydrating shafts,
160 cylinders, 180 bearings, 190 upper bearing (metal)s,
Wash shaft on 195 lower bearings, 200 wash shaft, 210,
220 planetary mechanisms, 222 back shafts, 230 transmission mechanisms,
240 times wash shaft, 242 central authorities, 300 protective devices,
330 upper bearing (metal)s, 340 lower bearings, 500 motors,
510 whirligigs, 520 stator apparatus, 530 rotary sleeves,
535 pads, 650 switching device shifters, 800 gears,
Protuberance on 910 buffering spacers, 910 buffering spacers, 912,
913 times protuberances.
The specific embodiment
Below, with reference to accompanying drawing the vibration absorber that washing machine driving shaft of the present invention supports with bearing is elaborated:
Shown in Fig. 1,2,3,4, the vibration absorber of the bearing among the present invention comprises: sink (2) directly is connected with dehydrating shaft (100), dehydrating shaft (100) has the last dehydrating shaft (120) of rotation sink (2), link together with last dehydrating shaft (120) and the bottom inner peripheral surface is forming the cylinder (160) of profile of tooth, and the lower end of cylinder (160) links together and transmits the following dehydrating shaft (140) of the revolving force of motor to last dehydrating shaft (120).
Wash shaft (210) and following wash shaft (240) at the internal run-through of dehydrating shaft (100), the upper end of last wash shaft (210) connecting sink (2) bottom surface and and the centre junction of agitator (3) lump together, washings just/be rotated in the other direction.In order to support the rotation of dehydrating shaft (120), between last dehydrating shaft (120) and last wash shaft (210), be provided with bearing (180).The inside of cylinder (160) is provided with when washing the transmission of power of motor to last wash shaft (210), obstacle and several planetary mechanisms (220) and a central authority (242) and transmission mechanism (230) etc. that motor is slowed down.The inside of following dehydrating shaft (140) is connecting the transmission of power of motor to the following wash shaft (240) of planetary mechanism (220), and the upper end of following wash shaft (240) forms and planetary mechanism (220) is corresponding mutually and the transmission of power of wash shaft (240) is down arrived the central authority (242) of planetary mechanism (220).In the time of washing, the power that motor (500) is produced is passed on successively by descending wash shaft (240), central authority (242), planetary mechanism (220), transmission mechanism (230), last wash shaft (210).Be planet mechanism (220) when washing between the transmission mechanism (230) of the bottom of back shaft (222) and central authority (242) match carry out rotation.In the time of dehydration, planetary mechanism (220) and cylinder (160) are rotated simultaneously, and planetary mechanism (220) revolves round the sun around central authority (242).The bottom of last dehydrating shaft (120) and cylinder (160); the top of following dehydrating shaft (140) is round protective device (300); the upper and lower bearing (330,340) that supports upper and lower dehydrating shaft (120,140) is being set on the top and bottom of protective device (300) separately.In order to provide the motor (500) of revolving force and following wash shaft (240) directly to link together for dehydrating shaft (100) and wash shaft (200) as rotor arrangement (510); and the lower junction of protective device (300) lump together produce rotating excitation field as stator apparatus (520), whirligig (510) is the center fixation that is rotated axle sleeve (530) on wash shaft (140) down.The bottom of protective device (300) is provided with can switch the switching device shifter (650) that is delivered to dehydrating shaft (100) or the last power of wash shaft (200); the motor and the transmission device of switching device shifter (650) and protective device (300) one side outsides link together; the rotating shaft cover (530) at whirligig (510) center is connected with following dehydrating shaft (140), and the transmission of power of whirligig (510) is arrived dehydrating shaft (140) down.In order to support down the rotation of dehydrating shaft (140), down between dehydrating shaft (140) and the following wash shaft (240) upper bearing (metal) (190) and lower bearing (195) be set separately up and down, in the groove (145) of the lower end of descending dehydrating shaft (140), the upper end of its outer ring is being supported by the formed sill of groove (145).Downside at lower bearing (195) is provided with pad (535), and this pad has not only prevented the up-down vibration of rotary sleeve (530) when the rotation of whirligig (510), and has eliminated the slit between time wash shaft (240) and rotary sleeve (530) upper end.Between lower bearing (195) and pad (535), also be provided with the buffering spacer (910) that fibrous material is made, this buffering spacer (910) has the main body (911) of ring-type on following wash shaft (240), along the outstanding last protuberance (912) and the following protuberance (913) of having formed of above-below direction of the outboard end of the upper and lower of main body (911).The last protuberance (912) of buffering spacer (910) contacts with the outer ring of lower bearing (195), following protuberance (913) and pad (535) are keeping certain space, the top inboard of main body (911) and lower bearing (195) keep certain space, and the following inboard of main body (911) and pad (535) are also keeping certain space.The last protuberance (912) of buffering spacer (910) and following protuberance (913) can become one along the circumferencial direction of main body (911), also can form several arrangements at a certain distance along circumferencial direction.
When the washing machine making finishes, before dispatching from the factory, under the state of packing, carry out the freely falling body testing package strength from certain height, this moment, washing machine can be subjected to strong impulsive force from bottom to up, at this moment rotary sleeve (530) and pad (535) and following wash shaft (240) meeting be side shifting a little upwards, exerts pressure for buffering spacer (910).The last protuberance (912) of buffering spacer (910) is being supported by the outer ring of lower bearing (195), and the sill in the groove (145) of dehydrating shaft (140) are being supported under the quilt of the upper end of the outer ring of lower bearing (195), so the buffering spacer of fibrous material (910) will be out of shape when being subjected to strong impulsive force from the bottom, absorbed impulsive force by this distortion, thereby prevented that lower bearing (195) from being damaged by impulsive force.Buffering spacer (910) is to contact with the outer ring of lower bearing (195), rather than other position be because: if the inner ring of bearing is not being supported by any material, buffering spacer (910) and inner ring are difficult to avoid inner ring that moving a little arranged when being subjected to impulsive force, thereby bearing is sustained damage, when but if the outer ring of buffering spacer (910) and lower bearing (195) contacts, even feeding through to the outer ring by buffering spacer (910), impulsive force also supporting because of the sill of the groove (145) of dehydrating shaft (140) under the quilt of outer ring, buffering spacer (910) will be out of shape absorption pressure fully, reduced the impulsive force that is delivered to bearing, thereby the ball that has prevented lower bearing (195) lining is impacted and is damaged, and has also stopped the vibration and the noise that are produced because of the ball damage.The buffering spacer that is adopted among the present invention (910) is made by fibrous material, and the material that also can adopt other good springiness can absorb impact is made.

Claims (5)

1; a kind of washing machine driving shaft supports the shell that comprises washing machine with the vibration absorber of bearing; the water jacket of storage washings in the enclosure is set; be provided with the sink that can be rotated in the water jacket; be provided with the agitator that can be rotated in the inboard of sink; the dehydrating shaft that transmits motor power also is set in sink inside; be provided with the wash shaft that to carry out independently revolving and the revolving force of motor can be given to agitator with dehydrating shaft respectively in the inside of dehydrating shaft; motor mainly is made of rotor arrangement and stator apparatus; in washing procedure or dehydration procedure, the running pathway of motor for washer is switched to the switching device shifter of wash shaft or dehydrating shaft; be connected the rotary sleeve of the center and the wash shaft lower end of whirligig; on between following dehydrating shaft lower end and the following wash shaft; upper bearing (metal) and lower bearing are set down separately; it is characterized in that: annular body is set in the bottom of bearing and the top of rotary sleeve; protuberance on outboard end is provided with on main body; the outer ring that should go up protuberance and bearing contacts; downside at lower bearing is provided with pad, is provided with to absorb the buffering spacer that impulsive force plays the effect fibrous material making of buffering and protection bearing between lower bearing and pad.
2, the driving shaft of a kind of washing machine according to claim 1 supports the vibration absorber with bearing, it is characterized in that: buffering spacer is to adopt special elastomeric fiber to make.
3, the driving shaft of a kind of washing machine according to claim 1 and 2 supports the vibration absorber with bearing, and it is characterized in that: the last protuberance of buffering spacer is that the circumferencial direction of outboard end becomes one above buffering spacer.
4, the driving shaft of a kind of washing machine according to claim 1 and 2 supports the vibration absorber with bearing, and it is characterized in that: the last protuberance of buffering spacer is that the circumferencial direction of outboard end forms several across certain distance above buffering spacer.
5, the driving shaft of a kind of washing machine according to claim 1 and 2 supports the vibration absorber with bearing, and it is characterized in that: the following outboard end of buffering spacer forms down protuberance along circumferencial direction.
CN 200410018956 2004-04-12 2004-04-12 Shock reducer for support bearing of driving shaft of washing machine Pending CN1683700A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200410018956 CN1683700A (en) 2004-04-12 2004-04-12 Shock reducer for support bearing of driving shaft of washing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200410018956 CN1683700A (en) 2004-04-12 2004-04-12 Shock reducer for support bearing of driving shaft of washing machine

Publications (1)

Publication Number Publication Date
CN1683700A true CN1683700A (en) 2005-10-19

Family

ID=35263184

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200410018956 Pending CN1683700A (en) 2004-04-12 2004-04-12 Shock reducer for support bearing of driving shaft of washing machine

Country Status (1)

Country Link
CN (1) CN1683700A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102112676B (en) * 2008-04-29 2012-11-21 Lg电子株式会社 Washing machine
CN101373009B (en) * 2007-08-20 2013-08-21 福特全球技术公司 Rubber bearing
CN109837702A (en) * 2017-11-29 2019-06-04 Lg电子株式会社 Washing machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101373009B (en) * 2007-08-20 2013-08-21 福特全球技术公司 Rubber bearing
CN102112676B (en) * 2008-04-29 2012-11-21 Lg电子株式会社 Washing machine
CN109837702A (en) * 2017-11-29 2019-06-04 Lg电子株式会社 Washing machine
US11390979B2 (en) 2017-11-29 2022-07-19 Lg Electronics Inc. Washing machine

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