CN1683699A - Buffer structure of support bearing of driving shaft of washing machine - Google Patents
Buffer structure of support bearing of driving shaft of washing machine Download PDFInfo
- Publication number
- CN1683699A CN1683699A CN 200410018955 CN200410018955A CN1683699A CN 1683699 A CN1683699 A CN 1683699A CN 200410018955 CN200410018955 CN 200410018955 CN 200410018955 A CN200410018955 A CN 200410018955A CN 1683699 A CN1683699 A CN 1683699A
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- shaft
- washing machine
- bearing
- packing ring
- dehydrating shaft
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Abstract
The buffer structure of support bearing of driving shaft in washing machine can prevent the balls in the bearing from damage through lowering the impact transmitted from the washing shaft to the bearing while powerful impact is applied from the lower side of the washing machine. The bearing buffer structure includes buffering spacer of certain thickness and set in the gap between the upper end of the rotor lining and the lower end of the washing shaft to make the gap between the upper end and the lower end of the dewatering shaft smaller than the gap between the ball bearing and the spacer.
Description
Technical field
The invention belongs to the transmission device of washing machine, the driving shaft that particularly relates to a kind of washing machine supports uses the bearing buffer structure.When relating in particular to the packaging intensity test of having made behind the washing machine, can prevent the support washing machine driving shaft that causes by the strong wallop that is applied to the washing machine downside both the washing machine driving shaft of the ball bearing damage of wash shaft support and use the bearing buffer structure
Background technology
Generally, washing machine is the household appliances that all contaminations on clothing and the bed clothes is removed in the current friction that produces when utilizing the emollescence of washing agent and impeller rotation and impact.And the washing process of washing machine has generally comprised washing, rinsing, dehydration and confession/draining stroke.
Washing machine can be divided into rotary drum washing machine and roller washing machine according to mode of washing.Rotary drum washing machine is the form that washtub separates with the impeller that is located at the washtub bottom, and has only the impeller rotation when washing and rinsing stroke, produces current; Impeller and washtub rotate together when the dehydration stroke.
Fig. 1 is the example that plain edition rotary drum washing machine structure in the past simply is shown, and Fig. 2 is the drawing that drive unit of washing machine structure among Fig. 1 is shown.Rotary drum washing machine is provided with to storing the outer bucket (1) of washings in the enclosure that constitutes the washing machine outward appearance, and outer bucket (1) inside is provided with rotatable washing/dehydrating dual-purpose washtub (2), and washtub (2) bottom surface sections is provided with rotatable impeller (3).
In addition, washtub (2) and impeller (3) connect with the motor (500) and the clutch (800) of outer bucket (1) bottom, optionally accept power and rotate, and wash thus and the stroke that dewaters.
As shown in Figure 2, the dehydrating shaft (100) of rotation washtub (2) directly connects with washtub (2).Dehydrating shaft comprises the top dehydrating shaft (120) by the rotation washtub; Catch up with portion's dehydrating shaft (120) and connect, and possess the tubbiness tympanum (160) of gear, be connected tympanum (160) and constitute to the bottom dehydrating shaft (140) of top dehydrating shaft (120) convey motor revolving force at the bottom inner peripheral surface.
In addition, dehydrating shaft (100) lining is provided with and connects its inner upper wash axle (210) and lower wash axle (240), and upper wash axle (210) upper end connects the washtub bottom surface and combines with impeller (3) central part, just/and the opposite spin washings.
In addition, in order to support top dehydrating shaft (120) rotation, be provided with oiliness bearing (180) between top dehydrating shaft (120) and the upper wash axle (210).
And, in order to support lower wash axle (240) rotation, between top dehydrating shaft (120) and the lower wash axle (240) on/bottom is provided with upper spheres bearing (190) and lower spheres bearing (195) separately.
Tympanum (160) inside possess by when washing to top wash shaft (210) convey motor power, and reduce a plurality of planetary gears (220) and a sun gear (242) of motor rotary speed and roll and go up the deceleration means of lower carriage (230) formation.
The inner lower wash axle (240) of bottom dehydrating shaft (140) in conjunction with oriented planetary gear (220) convey motor power.In addition, lower wash axle (240) upper end is provided with sun gear (242) from planetary gear (220) engagement to planetary gear (220) that pass on lower wash axle (240) power with.
During washing, lower carriage (230), upper wash axle (210) reception and registration in planetary gear (220), rolling in order behind the motor power process lower wash axle (240).Both, during washing, planetary gear (220) was meshing and rotation with sun gear (242) between the lower carriage (230) in the rolling of back shaft (222) top and the bottom.
In addition, in the time of the dehydration stroke, planetary gear (220) and tympanum (160) rotate simultaneously, thereby planetary gear (220) is around sun gear (242) revolution.
And, possess clutch housing (300) for protection top dehydrating shaft (120) bottom, tympanum (160), bottom dehydrating shaft (140) top.In addition, on the top and bottom of clutch housing (300) are provided with separately rotatably and support/bottom dehydrating shaft (120,140) on/lower bearing (330,340).
In addition, produce the motor (500) of dehydrating shaft (100) and wash shaft (200) revolving force, comprise by with the direct-connected rotary body of lower wash axle (240) both rotor assembly (510), be combined in stator module (520) formation that rotating excitation field is caused in clutch housing (300) lower end.Rotor assembly (510) utilizes rotor bushing (530) secure bond of central part in lower wash axle (240).
In addition, clutch housing (300) bottom is provided with and is the clutch coupling device (650) of conversion to the power of dehydrating shaft (100) or wash shaft (200) reception and registration.Though on drawing, do not illustrate, but clutch coupling device (650) is connected on the clutch motor of clutch housing (300) one side outsides and the linkage and slides up and down, the rotor bushing (535) of rotor assembly (510) central authorities is connected with bottom dehydrating shaft (140) selectivity, and the power of rotor assembly (510) is communicated on the bottom dehydrating shaft (140).
But, drive unit in the past, if be subjected to powerful impact from the bottom, the situation of lower spheres bearing (195) damage of bottom dehydrating shaft (140) takes place lower wash axle (240) is rotatably supported sometimes, at this moment ball bearing (195) can not rotate sleekly, and the problem of noise increase, the lost of life takes place.
If describe in detail, the state of packing carried out freely falling from certain altitude after washing machine was finished with product in manufacture process, apply the packaging intensity test of impulsive force, but such impulsive force is communicated to lower wash axle (240) and rotor bushing (530), makes lower wash axle (240) and rotor bushing (530) be subjected to the power that upwards promotes.
At this moment, lower spheres bearing (195), because the foreign steamer upper end is supported on the inner section difference of bottom dehydrating shaft (140), the impulsive force that is applied on lower wash axle (240) and the rotor bushing (530) is communicated to the interior wheel bottom of lower spheres bearing (195) through the packing ring between lower spheres bearing (195) and the rotor bushing (530), damages lower spheres bearing (195) thus.
Summary of the invention
The present invention is in order to solve the technical problem that exists in the above-mentioned technology and a kind of bearing buffer structure of support washing machine driving shaft to be provided, when the downside of washing machine applies strong wallop, reduction is communicated to the impulsive force of lower spheres bearing by wash shaft, and the driving shaft that can prevent the washing machine that ball bearing is impaired thus supports uses the bearing buffer structure.
The present invention in order to solve the technical scheme that the technical problem that exists in the above-mentioned technology takes is:
The driving shaft of washing machine supports and uses the bearing buffer structure: have to possess washing machine is driven the dehydrating shaft of passing on to washtub with the rotary power of motor, be located at the wash shaft of dehydrating shaft inside, constitute washing machine and drive rotor assembly and the stator module of using motor, connect the central part of rotor assembly and the rotor bushing of wash shaft bottom, on the nearly top of rotor bushing to the ball bearing of the rotatable support wash shaft in dehydrating shaft bottom, be located at the central upper end of rotor bushing and can form in the washing machine of packing ring of a fixed gap with ball bearing, include in the stroke space that is arranged between rotor bushing upper end and the wash shaft bottom, in order to make the gap between its upper end and the dehydrating shaft bottom littler, possesses certain thickness buffering packing ring than the space of stroke between ball bearing and the packing ring.Buffering is made of the synthetic resin material of packing ring, and buffering is that a plurality of sliding gaskets are formed with packing ring.
Advantage and good effect that the present invention has are: test as packaging intensity, when applying strong wallop from the washing machine bottom, before the packing ring contact lower spheres bearing of rotor bushing upper end, buffering absorbs in the distortion of bottom dehydrating shaft with the packing ring contact and impacts, so impulsive force can not pass on the lower spheres bearing, prevent the ball damage in the lower spheres bearing thus, can prevent vibrations and noise that damage of the bearing causes.
Description of drawings
Fig. 1 is the significant points profile of the general washing machine structure of schematic representations.
Fig. 2 is the significant points profile that illustrates drive unit of washing machine structure in the past.
Fig. 3 is the significant points profile of diagram according to drive unit of washing machine structure of the present invention.
Fig. 4 illustrates according to the main position of Fig. 3 of washing machine buffer structure of the present invention expanded view.
* * is for the explanation * * * of figure major part symbol
140: bottom dehydrating shaft 195: the lower spheres bearing
240: lower wash axle 530: rotor bushing
535: packing ring 540: spatial portion
950: the buffering packing ring
The specific embodiment
In order further to understand content of the present invention, characteristics and effect, now exemplify following examples, and conjunction with figs. is described in detail as follows: in the middle of the inscape of washing machine and drive unit, for the identical reference marks of prior art inscape of having used and having seen figures.1.and.2 and illustrate with identical or similar inscape in the past.
Fig. 3 and Fig. 4 are the drive unit of washing machine structure charts that illustrates according to bearing buffer structure of the present invention.As shown in the figure, the dehydrating shaft (100) of rotation washtub (2) directly connects with washtub (2), and dehydrating shaft comprises the top dehydrating shaft (120) by the rotation washtub; Catch up with portion's dehydrating shaft (120) and connect, and possess the tubbiness tympanum (160) of gear at the bottom inner peripheral surface; Being connected tympanum (160) upward constitutes to the bottom dehydrating shaft (140) of top dehydrating shaft (120) convey motor revolving force.
In addition, dehydrating shaft (100) lining is provided with and connects its inner upper wash axle (210) and lower wash axle (240), and upper wash axle (210) upper end connects the washtub bottom surface and combines with impeller (3) central part, just/and the opposite spin washings.
In addition, in order to support top dehydrating shaft (120) rotation, be provided with oiliness bearing (180) between top dehydrating shaft (120) and the upper wash axle (210).
Tympanum (160) inside possesses the deceleration means, the means of slowing down in addition by when washing to top wash shaft (210) convey motor power, and reduce a plurality of planetary gears (220) and a sun gear (242) of motor rotary speed and roll and go up lower carriage (230) formation.
The inner lower wash axle (240) of bottom dehydrating shaft (140) in conjunction with oriented planetary gear (220) convey motor power.In addition, lower wash axle (240) upper end is provided with sun gear (242) from planetary gear (220) engagement to planetary gear (220) that pass on lower wash axle (240) power with.
During washing, lower carriage (230), upper wash axle (210) reception and registration in planetary gear (220), rolling in order behind the power process lower wash axle (240) that motor produces.Both, planetary gear (220) on when washing back shaft (222)/rolling of bottom between the lower carriage (230) with sun gear (242) engagement and rotation.
In addition, in the time of the dehydration stroke, planetary gear (220) and tympanum (160) rotate simultaneously, thereby planetary gear (220) is around sun gear (242) revolution.
And, possess clutch housing (300) for protection top dehydrating shaft (120) bottom, tympanum (160), bottom dehydrating shaft (140) top.In addition, on the top and bottom of clutch housing (300) are provided with separately rotatably and support/bottom dehydrating shaft (120,140) on/lower bearing (330,340).
In addition, produce the motor (500) of dehydrating shaft (100) and wash shaft (200) revolving force, comprise by with the direct-connected rotary body of lower wash axle (240) both rotor assembly (510), be combined in stator module (520) formation that rotating excitation field is caused in clutch housing (300) lower end.Rotor assembly (510) utilizes rotor bushing (530) secure bond of central part on lower wash axle (240).
In addition, clutch housing (300) bottom is provided with and is the clutch coupling device (650) of conversion to the power of dehydrating shaft (100) or wash shaft (200) reception and registration.Though on drawing, do not illustrate, but clutch coupling device (650) is connected on the clutch motor of clutch housing (300) one side outsides and the linkage and slides up and down, the rotor bushing (535) of rotor assembly (510) central authorities is connected with bottom dehydrating shaft (140) selectivity, and the power of rotor assembly (510) is communicated on the bottom dehydrating shaft (140).
In addition, in order to support bottom dehydrating shaft (140) rotation, between bottom dehydrating shaft (140) and the lower wash axle (240) on/bottom is provided with upper spheres bearing (190) and lower spheres bearing (195) separately.At this moment lower spheres bearing (195) is pressed in the groove (145) of lower wash axle (240) bottom.
In order to prevent rotor assembly (510) when rotation rotor bushing (530) vertical tremor, lower spheres bearing (195) downside is provided with to be eliminated the gap between lower wash axle (240) and rotor bushing (530) upper end and supports lower wash axle (240) and the packing ring (535) of rotor bushing (530).
To possess certain space (CU) (below be called ' space, top ') between packing ring (535) and the lower spheres bearing (195).This is because during the rotation of lower wash axle (240) and rotor bushing (530), contact with lower spheres bearing (195) if be combined in the packing ring (535) of rotor bushing (530) upper end, and packing ring (535) obstruction is rotated and become impedance.
In addition, with the corresponding rotor bushing (530) of bottom dehydrating shaft (140) lower end periphery, formation makes it follow bottom dehydrating shaft (140) bottom to keep the spatial portion (540) of certain interval in the upper end.Be provided with the buffering packing ring (950) of ring-type in this spatial portion.Buffering with packing ring (950) thickness be and bottom dehydrating shaft (140) bottom between the thickness in the formation space (CL) littler (below be called ' lower space ') than top space (CU).
Buffering should be used in the material making that elasticity under the weight changes and can absorb gravity with packing ring (950).Use a plurality of sliding gaskets or nylon washer such as buffering with packing ring.
Below, the effect of buffering with packing ring (950) is described.
Before the outbound, washing machine freely falls from certain altitude under the state of packing, applies the packaging intensity test of impulsive force.As this packaging intensity test, if apply strong wallop from the washing machine bottom, rotor bushing (530) and packing ring (535) and lower wash axle (240) upwards side slide a certain amount of.
At this moment, because lower space (CL) is littler than top space (CU), at rotor bushing (530) and lower wash axle (240) upwards in the process of side shifting, buffering is followed the contact earlier of bottom dehydrating shaft (140) bottom with packing ring (950) before at packing ring (535) contact lower spheres bearing (195), and distortion under strong pressure can absorb impulsive force according to the distortion buffering with packing ring (950).Therefore, impulsive force can pass on the lower spheres bearing (195) hardly, and inner ball can be not impaired.
Claims (3)
- The driving shaft of 1 one kinds of washing machines supports uses the bearing buffer structure, possessing the dehydrating shaft that the washing machine driving is passed on to washtub with the rotary power of motor, be located at the wash shaft of dehydrating shaft inside, constitute washing machine and drive rotor assembly and the stator module of using motor, connect the central part of rotor assembly and the rotor bushing of wash shaft bottom, on the nearly top of rotor bushing to the ball bearing of the rotatable support wash shaft in dehydrating shaft bottom, be located at the central upper end of rotor bushing and can form in the washing machine of packing ring of a fixed gap with ball bearing, it is characterized in that including in the space that is arranged on stroke between rotor bushing upper end and the wash shaft bottom, in order to make the gap between its upper end and the dehydrating shaft bottom littler, possesses certain thickness buffering packing ring than the space of stroke between ball bearing and the packing ring.
- The driving shaft of 2 washing machines according to claim 1 supports and uses the bearing buffer structure, it is characterized in that cushioning with packing ring making of the synthetic resin material.
- The driving shaft of 3 washing machines according to claim 2 supports and uses the bearing buffer structure, it is characterized in that buffering is that a plurality of sliding gaskets are formed with packing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410018955 CN1683699A (en) | 2004-04-12 | 2004-04-12 | Buffer structure of support bearing of driving shaft of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410018955 CN1683699A (en) | 2004-04-12 | 2004-04-12 | Buffer structure of support bearing of driving shaft of washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1683699A true CN1683699A (en) | 2005-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410018955 Pending CN1683699A (en) | 2004-04-12 | 2004-04-12 | Buffer structure of support bearing of driving shaft of washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1683699A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864611A (en) * | 2011-07-08 | 2013-01-09 | 安徽聚隆传动科技股份有限公司 | Driving assembly of dual-powered washing machine |
| CN109837702A (en) * | 2017-11-29 | 2019-06-04 | Lg电子株式会社 | Washing machine |
| CN113049495A (en) * | 2021-03-24 | 2021-06-29 | 东莞东阳光医疗智能器件研发有限公司 | Chemiluminescence detection equipment |
-
2004
- 2004-04-12 CN CN 200410018955 patent/CN1683699A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864611A (en) * | 2011-07-08 | 2013-01-09 | 安徽聚隆传动科技股份有限公司 | Driving assembly of dual-powered washing machine |
| CN109837702A (en) * | 2017-11-29 | 2019-06-04 | Lg电子株式会社 | Washing machine |
| CN109837702B (en) * | 2017-11-29 | 2021-10-29 | Lg电子株式会社 | Washing machine |
| US11390979B2 (en) | 2017-11-29 | 2022-07-19 | Lg Electronics Inc. | Washing machine |
| CN113049495A (en) * | 2021-03-24 | 2021-06-29 | 东莞东阳光医疗智能器件研发有限公司 | Chemiluminescence detection equipment |
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