CN112813650A - Speed reduction clutch with dewatering barrel bidirectional rotation function for full-automatic washing machine - Google Patents
Speed reduction clutch with dewatering barrel bidirectional rotation function for full-automatic washing machine Download PDFInfo
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- CN112813650A CN112813650A CN202110194091.7A CN202110194091A CN112813650A CN 112813650 A CN112813650 A CN 112813650A CN 202110194091 A CN202110194091 A CN 202110194091A CN 112813650 A CN112813650 A CN 112813650A
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- China
- Prior art keywords
- shaft
- gear
- clutch
- sleeved
- transmission shaft
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- 238000005406 washing Methods 0.000 title claims abstract description 38
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 230000018044 dehydration Effects 0.000 claims abstract description 11
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 11
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention relates to the technical field of clutches, in particular to a speed reduction clutch for a full-automatic washing machine with a bidirectional rotation function of a dehydration barrel, which comprises a washing shaft and a transmission shaft, wherein the outside of the washing shaft is sleeved with a dehydration shaft, the transmission shaft is connected with the washing shaft through a gear structure in a gear box, an upper bracket of the gear structure is connected with the dehydration shaft through a gear train structure, a clutch sleeve is sleeved at the part of the transmission shaft, which is positioned outside the gear box, a belt pulley is sleeved at the outside of one side of the lower end of the clutch sleeve of the transmission shaft, the device realizes the driving of the dehydration shaft through the matching of a spline structure, simultaneously, an upper gear ring adopts an automatic floating adjustment structure, can properly reduce the difficulty of assembly and the precision fault tolerance under the relatively close matching of the precision requirement of the transmission, has strong adaptability, and simultaneously improves the, the whole service life of the equipment is prolonged, and the cost is reduced.
Description
Technical Field
The invention relates to the technical field of clutches, in particular to a speed reduction clutch for a full-automatic washing machine with a bidirectional rotation function of a dehydration barrel.
Background
Several possible structures of the reduction clutch similar to that used in the domestic market for the full automatic washing machine are disclosed in patent number zl 200620165203.7. The structure is optimized that the washing shaft is connected with the transmission shaft through a gear structure in the gear box, an upper bracket of the gear structure is simultaneously meshed with an upper gear and an upper gear ring which are arranged on a bearing plate through a central gear, the end surface of the side part of the upper gear ring extends outwards to form a flange, and the flange is sleeved on the dewatering shaft and is in interference fit with the dewatering shaft; and a bearing is sleeved outside the flange and connected with the dewatering shaft. When the washing machine washes, the planetary gear assembly realizes the output rotation of the impeller shaft, the flange sleeve driven by the central gear realizes the output rotation of the dehydration barrel, and the two realize a constant rotation speed ratio; however, the disadvantages of this structure are: the tight fit structure of the flange sleeve and the dewatering shaft causes the clutch manufacturability to be not ideal, and particularly the clutch assembly of a large bottom plate structure is difficult.
Disclosure of Invention
The invention aims to provide a speed reduction clutch for a full-automatic washing machine with a dewatering barrel bidirectional rotation function, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: comprises a washing shaft and a transmission shaft, a dewatering shaft is sleeved outside the washing shaft, the transmission shaft is connected with the washing shaft through a gear structure in a gear box, the upper bracket of the gear structure is connected with the dewatering shaft through a gear train structure, a clutch sleeve is sleeved at the part of the transmission shaft positioned outside the gear box, a belt pulley is sleeved outside one side of the lower end of the clutch sleeve of the transmission shaft, a shell is arranged outside the gear box, and the joint of the shell of the gear box and the clutch sleeve is respectively sleeved with a clutch holding spring and a ratchet wheel from inside to outside in sequence, the gear structure comprises a planetary gear assembly which is respectively meshed and connected with a transmission shaft gear sleeved at the upper end of a transmission shaft and an upper gear ring positioned at the outer side of the planetary gear assembly, the gear train structure comprises an upper gear, the upper gear is arranged at the upper end of the bearing plate through an upper gear shaft, and the bearing plate is in interference connection with the upper end of the inner wall of the gear box shell.
Preferably, the upper end and the lower end of the shaft of the planetary gear assembly are respectively vertically arranged on the upper support and the lower support of the gear carrier, and the internal spline of the upper support of the gear carrier is meshed with the spline at the lower end of the washing shaft.
Preferably, the upper gear is respectively meshed with a center wheel and an upper gear ring which are arranged on the upper support, an internal spline is arranged on the other side of the upper gear ring, and the internal spline of the upper gear ring is matched with a spline at the shaft end of the dewatering shaft.
Preferably, one side of the gear box shell of the dewatering shaft is sleeved with a bearing, and the number of the upper gears can be two, three, four, five or six.
Preferably, the shell of the gear box comprises a straight-cylinder gear box, the upper end of the straight-cylinder gear box is buckled with a bearing seat of the bearing, the lower end of the straight-cylinder gear box is buckled with the clutch shaft, and the clutch shaft is sleeved with the transmission shaft.
Preferably, a clutch shaft sleeve is arranged between the clutch shaft and the transmission shaft, and the lower end surfaces of the clutch shaft and the clutch shaft sleeve are in contact with the upper end surface of the clutch shaft.
Compared with the prior art, the invention has the beneficial effects that:
1. the device realizes the driving of the dewatering shaft by the spline structure, and simultaneously, the upper gear ring adopts an automatic floating adjustment structure, so that the assembly difficulty and the precision fault tolerance can be properly reduced under the precision requirement of relatively close fit transmission, and the adaptability is strong;
2. meanwhile, the floating load balancing characteristic of the spline connection is utilized, so that the bearing capacity of the clutch is improved, the integral service life of the equipment is prolonged, and the cost is reduced.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present invention;
FIG. 2 is a schematic view of the portion A of FIG. 1 according to the present invention.
In the figure: the washing machine comprises a washing shaft 1, a dewatering shaft 2, a bearing seat 3, an upper gear ring 4, an upper gear 5, an upper gear shaft 6, a bearing plate 7, an upper bracket 8, a planetary gear assembly 9, a gear box 10, a clutch shaft 11, a clutch holding spring ratchet wheel 12, a transmission shaft 13, a clutch sleeve 14 and a belt pulley 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a deceleration clutch for a full automatic washing machine having a bidirectional rotation function of a dehydration tub: the washing machine comprises a washing shaft 1 and a transmission shaft 13, wherein the outside of the washing shaft 1 is sleeved with a dewatering shaft 2, the transmission shaft 13 is connected with the washing shaft 1 through a gear structure in a gear box 10, an upper support 8 of the gear structure is connected with the dewatering shaft 2 through a gear train structure, a clutch sleeve 14 is sleeved on the part of the transmission shaft 13, which is positioned outside the gear box 10, a belt pulley 15 is sleeved outside one side of the lower end of the clutch sleeve 14 of the transmission shaft 13, the outside of the gear box 10 is provided with a shell, a joint of the shell of the gear box 10 and the clutch sleeve 14 is respectively sleeved with a clutch spring and a ratchet wheel which is provided with a clutch spring wheel in turn from inside to outside, the gear structure comprises a planetary gear assembly 9, the planetary gear assembly 9 is respectively meshed and connected with a transmission shaft 13 gear sleeved on the upper end of the transmission shaft 13, the upper gear 5 is arranged at the upper end of a bearing plate 7 through an upper gear shaft 6, the bearing plate 7 is in interference connection with the upper end of the inner wall of a shell of a gear box 10, one side of the shell of the gear box 10 of the dehydration shaft 2 is sleeved with a bearing, the number of the upper gear 5 can be two, three, four, five or six, the shell of the gear box 10 comprises a straight-tube gear box 10, the upper end of the straight-tube gear box 10 is buckled with a bearing seat 3 of the bearing, the lower end of the straight-tube gear box 10 is buckled with a clutch shaft 11, the clutch shaft 11 is sleeved with a transmission shaft 13, a clutch shaft 11 sleeve is arranged between the clutch shaft 11 and the transmission shaft 13, the lower end surfaces of the clutch shaft 11 and the clutch shaft 11 sleeve are contacted with the upper end surface of the clutch sleeve 14, the upper gear 5 is respectively meshed and connected with a central wheel arranged on an upper bracket 8 and the upper gear ring 4, the other side of the upper gear ring 4 is, the upper end and the lower end of the shaft of the planetary gear assembly 9 are respectively vertically arranged on the upper bracket 8 and the lower bracket of the gear carrier, and the internal spline of the upper bracket 8 of the gear carrier is meshed with the spline at the lower end of the washing shaft 1.
The working principle is as follows: when in use, the belt pulley 15 drives the transmission shaft 13 to rotate, the transmission shaft gear drives the planetary gear assembly 9 to rotate, the rotating shaft of the planetary gear assembly 9 drives the upper bracket 8, on one hand, the upper bracket 8 drives the washing shaft 1 to rotate through the internal spline thereof, on the other hand, the upper bracket 8 drives the upper gear 5 to rotate, the upper gear 5 drives the upper gear ring 4 to rotate, the upper gear ring 4 drives the dewatering shaft 2 to rotate, the washing shaft 1 drives the impeller, and the dewatering shaft 2 drives the dewatering barrel, in the structure of the invention, the speed ratio between the washing shaft 1 and the dewatering shaft 2 is determined by the gear ratio of the upper gear ring 4 and the central wheel on the upper bracket 8, when the washing machine is in a dewatering working condition, the clutch spring 12 is clasped, the clutch arm loosens the brake belt, the transmission shaft 13 and the gear box are integrated, and the support plate 7 is fixedly connected with the gear box, so as to drive the gear 5 on the fixed shaft, thereby realizing high-speed dehydration operation with the dehydration shaft and the impeller shaft at the same rotating speed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Full-automatic washing machine is with speed reduction clutch with dehydration bucket bidirectional rotation function, including washing axle (1) and transmission shaft (13), its characterized in that: the washing machine is characterized in that a dewatering shaft (2) is sleeved outside the washing shaft (1), a transmission shaft (13) is connected with the washing shaft (1) through a gear structure inside a gear box (10), an upper support (8) of the gear structure is connected with the dewatering shaft (2) through a gear train structure, a clutch sleeve (14) is sleeved on a position, located outside the gear box (10), of the transmission shaft (13), a belt pulley (15) is sleeved outside one side of the lower end of the clutch sleeve (14) of the transmission shaft (13), a shell is arranged outside the gear box (10), a clutch spring and a ratchet wheel are sequentially sleeved at the joint of the shell of the gear box (10) and the clutch sleeve (14) from inside to outside respectively, the gear structure comprises a planetary gear assembly (9), and the planetary gear assembly (9) is meshed and connected with a transmission shaft (13) gear sleeved on the upper end of the transmission shaft (13) and an upper gear ring (4) located, the gear train structure comprises an upper gear (5), the upper gear (5) is arranged at the upper end of a support plate (7) through an upper gear shaft (6), and the support plate (7) is in interference connection with the upper end of the inner wall of the shell of the gear box (10).
2. The decelerating clutch for a full automatic washing machine having a bidirectional rotation function of a dehydrating tub according to claim 1, wherein: the upper end and the lower end of a shaft of the planetary gear assembly (9) are respectively vertically arranged on an upper support (8) and a lower support of a gear carrier, and an internal spline of the upper support (8) of the gear carrier is meshed with a spline at the lower end of the washing shaft (1).
3. The decelerating clutch for a full automatic washing machine having a bidirectional rotation function of a dehydrating tub according to claim 1, wherein: the upper gear (5) is respectively meshed with a center wheel and an upper gear ring (4) which are arranged on an upper support (8), an internal spline is arranged on the other side of the upper gear ring (4), and the internal spline of the upper gear ring (4) is matched with the spline at the shaft end of the dewatering shaft (2).
4. The decelerating clutch for a full automatic washing machine having a bidirectional rotation function of a dehydrating tub according to claim 1, wherein: one side of the shell of the gear box (10) of the dewatering shaft (2) is sleeved with a bearing, and the number of the upper gears (5) can be two, three, four, five or six.
5. The decelerating clutch for a full automatic washing machine having a bidirectional rotation function of a dehydrating tub according to claim 4, wherein: the shell of the gear box (10) comprises a straight-cylinder gear box (10), the upper end of the straight-cylinder gear box (10) is buckled with a bearing seat (3) of the bearing, the lower end of the straight-cylinder gear box (10) is buckled with a clutch shaft (11), and the clutch shaft (11) is sleeved with a transmission shaft (13).
6. The decelerating clutch for a full automatic washing machine having a bidirectional rotation function of a dehydrating tub according to claim 5, wherein: a clutch shaft (11) sleeve is arranged between the clutch shaft (11) and the transmission shaft (13), and the lower end surfaces of the clutch shaft (11) and the clutch shaft (11) sleeve are contacted with the upper end surface of the clutch sleeve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110194091.7A CN112813650A (en) | 2021-02-20 | 2021-02-20 | Speed reduction clutch with dewatering barrel bidirectional rotation function for full-automatic washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110194091.7A CN112813650A (en) | 2021-02-20 | 2021-02-20 | Speed reduction clutch with dewatering barrel bidirectional rotation function for full-automatic washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112813650A true CN112813650A (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110194091.7A Pending CN112813650A (en) | 2021-02-20 | 2021-02-20 | Speed reduction clutch with dewatering barrel bidirectional rotation function for full-automatic washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112813650A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101205677A (en) * | 2006-12-18 | 2008-06-25 | 陈伟农 | Decelerating clutch for full-automatic washing machine |
| CN214572830U (en) * | 2021-02-20 | 2021-11-02 | 李代根 | Speed reduction clutch with dewatering barrel bidirectional rotation function for full-automatic washing machine |
-
2021
- 2021-02-20 CN CN202110194091.7A patent/CN112813650A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101205677A (en) * | 2006-12-18 | 2008-06-25 | 陈伟农 | Decelerating clutch for full-automatic washing machine |
| CN214572830U (en) * | 2021-02-20 | 2021-11-02 | 李代根 | Speed reduction clutch with dewatering barrel bidirectional rotation function for full-automatic washing machine |
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