CN1536150A - Clutch of washing machine - Google Patents
Clutch of washing machine Download PDFInfo
- Publication number
- CN1536150A CN1536150A CNA031094562A CN03109456A CN1536150A CN 1536150 A CN1536150 A CN 1536150A CN A031094562 A CNA031094562 A CN A031094562A CN 03109456 A CN03109456 A CN 03109456A CN 1536150 A CN1536150 A CN 1536150A
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- shaft assembly
- coupling parts
- clutch
- belt pulley
- disengaging coupling
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- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The present invention relates to a clutch of washing machine. It includes pulley connected with motor, washing shaft component whose upper end is fixed to the washing stirrer in the lower portion of washing tub and lower end is fixed together with pulley, dewatering shaft component whose upper end is fixed to the lower portion of washing tub, brake lever for making dewatering shaft stop rotation, clutch lever connected with brake lever and power switching mechanism controlled by brake lever. Said invention also provides components included in power switching mechanism and their connection method and action of every component.
Description
Technical field
The present invention relates to washing machine, relate in particular to clutch.
Background technology
In general, washing machine is that rubbing action, the agitator of the emulsification by washing agent, the current that rotate with the washing wave wheel of washing stirr (Pulsator) is applied to the percussion on the washings and the machine that will remove attached to all contaminations above clothes, the bedding etc.
Such washing machine all possesses the clutch as dynamic conductive device, this clutch can the revolving force of motor conduct selectively to the sink that washings is housed and be installed in sink inside washing stirr and make their the rotation.In the inside of such clutch, give washing stirr in order to conduct again after the revolving force of motor can being reduced, thereby the wash shaft of reduction gear component being installed and being connected with washing stirr.
The structure of existing washing machine clutch as shown in the figure, gear shaft (31) is equipped with on the top that obtains the clutch pulley (10) of power from the drive motors (not shown) of washing machine, wash shaft (32) is equipped with on the top of gear shaft (31), and dehydrating shaft (33) is equipped with in the outside of wash shaft (32).
The lower end of above-mentioned dehydrating shaft (33) is fixed with the brake cylinder (34) of double as upper gear case, the following lower teeth roller box (35) that connecting of brake cylinder (34), and being equipped with in the inside of brake cylinder (34) can be with the gear train (37) of dynamic retarding.
Here, the a series of parts that comprise gear shaft (31) and gear train (37) and wash shaft (32) have constituted the wash shaft assembly and can rotate, the a series of parts that comprise lower teeth roller box (35) and brake cylinder (34) and dehydrating shaft (33) have constituted the dehydrating shaft assembly, and they can rotate together.
In addition, in the lower end of clutch powershift mechanism is housed, this powershift mechanism can be under washing mode and dehydration mode conducts the revolving force of belt pulley (10) to wash shaft assembly and dehydrating shaft assembly selectively.In this powershift mechanism, fixing spring block (spring block) (38) and clutch hub (clutch boss) (39) in the lower end of gear shaft (31), brake lever (21) is installed on the periphery of brake cylinder (34), brake lever can move along with the action that is used for the solenoid (end shows among the figure) that drives draining valve, one side of this brake lever (21) be equipped with can be along with the motion of above-mentioned brake lever (21) transmission clutch bar (22), the driving cam (25) that can rotate along with the motion of clutch lever (22) is equipped with in the lower end of clutch lever (22).
The course of action of existing washing machine clutch with said structure is as described below.
At first, under washing mode, electromagnetic valve (solenoid valve) is in off-state, therefore clutch lever (22) can be pushed under the effect of brake lever (21), clutch hub this moment (39) can be engaged on the driving cam (25) with the clutch lever interlock, thereby clutch spring (40) (clutchspring) is promoted to the direction that diameter increases.
Thus, the clutch spring (40) that increased of diameter will keep the state that leaves from the outer surface of spring block (39).
Thereupon, the revolving force of motor (not shown) by the belt (not shown) conduct to be installed on the clutch belt pulley (10) afterwards, can conduct again to the gear shaft that is connected with it (31), next give the washing stirr (not shown) by wash shaft (32) conduction that is connected gear shaft (31) upper end, and make the washing stirr rotation thus.
In addition, under dehydration mode, washings in the sink (not shown) of washing machine are under the state of natural drainage, if above-mentioned electromagnetic valve starts, thereby pulling brake lever (21), so under the interlock effect of clutch lever (22), driving cam (25) can spin off from the sawtooth (serration) of clutch hub (39), so the diameter of clutch spring (40) will diminish, and this moment, clutch spring (40) can clamp (clamping) to lower teeth roller box (35) and spring block (38) simultaneously under the effect of recuperability.
If obtained gear shaft (31) rotation of the power of motor (not shown) in this state, the spring block (38) that is fixed on so on the gear shaft (31) can rotate with gear shaft (31), can to winding direction rotate owing to gripping spring block (38) and lower teeth roller box (35) clutch spring (40) this moment, therefore can bring into play bigger clamping action power, it just can not slide like this, and can make brake cylinder (34) and gear train (37) rotation.
Meanwhile, when dehydration, the revolving force that conducts to clutch from the drive motors (not shown) not only can also can conduct to dehydrating shaft (33) simultaneously to wash shaft (32) conduction, thereby make the rotation of washing stirr and sink one superhigh speed, realize dehydration.
In addition, when stopping to dewater, brake lining (36) can be close on brake cylinder (34) outer surface its forced brake, thereby sink is stopped.
But the existing problem of aforesaid existing clutch for washing machine is: in order to conduct selectively to wash shaft assembly and dehydrating shaft assembly in the driving force of washing mode and the following motor of dehydration mode, in the lower end of clutch powershift mechanism has been installed, the structure of this powershift mechanism is too complicated, give to make and bring difficulty, and manufacturing expense is increased.
Summary of the invention
In order to overcome the above-mentioned shortcoming that prior art exists, the invention provides a kind of clutch for washing machine, its improvement is used for conducting the power of the motor of washing machine to the performance of the powershift mechanism of wash shaft and dehydrating shaft selectively and reducing cost.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of clutch for washing machine comprises possessing under the effect of motor and the belt pulley of rotation, the upper end be fixed on the bottom that is installed on sink and the rotatable washing stirr and wash shaft assembly that lower end and described belt pulley are fixed together, the upper end is fixed on the dehydrating shaft assembly that the periphery of described wash shaft assembly can be wrapped up of the bottom of sink, be used for brake lever that described dehydrating shaft assembly is stopped the rotation, be connected the clutch lever on the described brake lever, can be along with the action of described brake lever the power of motor selectively to the powershift mechanism of dehydrating shaft assembly conduction; It is characterized in that described powershift mechanism comprises: be fixed on the belt pulley bar on the described belt pulley under the lower end of described dehydrating shaft assembly; Be installed in the outside of the lower end of described dehydrating shaft assembly and described belt pulley bar and can move up and down, thus the lower end that can make described dehydrating shaft assembly and the engagement of belt pulley bar or the disengaging coupling parts that separate; Be used for applying the elastomeric element of downward elastic force to described disengaging coupling parts; The end that is connected described clutch lever can move horizontally along with the action of clutch lever, and its end can or separate with a side contacts of described disengaging coupling parts when moving horizontally, thereby the 1st driver part that described clutch coupling shaft parts are moved up and down; One end is fixedly connected on a side of described the 1st driver part, and the other end is positioned at opposite one side of described disengaging coupling parts, can be with described the 1st driver part interlock, thereby contact with the face of opposite one side of described disengaging coupling parts or separate, and the 2nd driver part that the disengaging coupling parts are moved up and down.
Described clutch for washing machine, wherein formed the serrations that is gear tooth profiles on the outer surface of the end portion of dehydrating shaft assembly, on the outer surface of described belt pulley bar, also formed the serrations that is gear tooth profiles, and with the serrations of described dehydrating shaft assembly and belt pulley bar accordingly, on the inner surface of described disengaging coupling parts, also formed inner serrations.
Described clutch for washing machine, wherein formed on the outer surface of disengaging coupling parts along the downward-sloping inclination face of outer surface, on the end portion of described driver part and the 2nd driver part, also formed with the facial corresponding inclination of the inclination of described disengaging coupling facial.
Described clutch for washing machine, wherein the inclination face of disengaging coupling parts is bent downwardly and forms, and the inclination face of described the 1st, 2 driver parts is bent upwards and forms.
The present invention solves its technical problem also can adopt following technical scheme:
A kind of clutch for washing machine, comprise: possess under the effect of motor and the belt pulley of rotation, the upper end be fixed on the bottom that is installed on sink and the rotatable washing stirr and wash shaft assembly that lower end and described belt pulley are fixed together, the upper end is fixed on the bottom of sink, the dehydrating shaft assembly that the periphery of wash shaft assembly can be wrapped up, be used for brake lever that described dehydrating shaft assembly is stopped the rotation, be connected the clutch lever on the described brake lever, can be along with the action of described brake lever the power of motor selectively to the powershift mechanism of dehydrating shaft assembly conduction, it is characterized in that, described powershift mechanism comprises: be fixed on the described belt pulley under the lower end of described dehydrating shaft assembly, and formed the belt pulley bar of the bottom serrations of gear tooth profiles on the outer surface; The top serrations that on the outer surface of the end portion of described dehydrating shaft assembly, forms; Being installed in the lower end of described dehydrating shaft assembly and the outside of described belt pulley bar also can move up and down, formed on the inner surface and the corresponding inner serrations of described upper and lower serrations, formed on the outer surface by being bent downwardly the disengaging coupling parts of the inclination face that tilts down; Be used for applying the compression spring of downward elastic force to described disengaging coupling parts; Be connected the end of described clutch lever, can move horizontally along with the action of clutch lever, and its terminal can or separation when moving horizontally, thereby the 1st driver part that described disengaging coupling parts are moved up and down with a side contacts of described disengaging coupling parts; One end is fixedly connected on a side of described the 1st driver part, the other end is positioned at opposite one side of described disengaging coupling parts, can be with described the 1st driver part interlock, thereby contact with the face of opposite one side of described disengaging coupling parts or separate, and the 2nd driver part that the disengaging coupling parts are moved up and down.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the longitdinal cross-section diagram of the primary structure of existing clutch for washing machine
Fig. 2 is the longitdinal cross-section diagram of primary structure that the washing machine of clutch for washing machine of the present invention is housed
Fig. 3 is the structure of clutch for washing machine shown in Figure 2 and longitdinal cross-section diagram and the ground plan that the effect when washing mode generally shows thereof
Fig. 3 A is the structure of clutch for washing machine shown in Figure 2 and the ground plan that the effect when washing mode generally shows thereof
Fig. 4 is the structure of clutch for washing machine shown in Figure 2 and longitdinal cross-section diagram and the ground plan that the effect when dehydration mode generally shows thereof
Fig. 4 A is the structure of clutch for washing machine shown in Figure 2 and the ground plan that the effect when dehydration mode generally shows thereof
The number in the figure explanation:
1: water jacket 3: sink
4: washing stirr 6: wash shaft assembly (assembly)
7: dehydrating shaft assembly 8: drive motors
9: clutch 10: belt pulley
11: top serrations (serration) 12: belt pulley bar (pulley boss)
13: bottom serrations 14: disengaging coupling (coupling) parts
15: face 50,55: the 1,2 driver parts tilt
51,56: it is facial to tilt
The specific embodiment
A desirable example to clutch for washing machine of the present invention is described in detail with reference to the accompanying drawings.
At first have a look the structure of the washing machine that clutch of the present invention is housed, as shown in Figure 2, be equipped with and be used for the water jacket (1) of splendid attire washings being used for the outside of sink (3) of splendid attire washings, the washing stirr (4) that can rotate is equipped with in the bottom of sink (3), the upper end of the wash shaft assembly (6) of clutch (9) is fixed on the axle center (hub) (5) of described washing stirr (4), and the upper end of the dehydrating shaft assembly (7) of clutch (9) is fixed on the bottom of sink (3).
In addition, drive motors (8) is housed below the described water jacket (1), this drive motors (8) is connected with the belt pulley (10) of clutch (9) by V belt (24).
In addition, as shown in Figure 3 and Figure 4, the end portion of the wash shaft assembly (6) of described clutch (9) is fixed on the belt pulley (10), on the outer surface of the end portion of dehydrating shaft assembly (7), formed the top serrations (11) that is gear tooth profiles of one with it, under the lower end of described dehydrating shaft assembly (7), connect the belt pulley bar (12) that can be fixed on the belt pulley (10), forming the bottom serrations (13) that is the face of gear shape on the outer surface of its middle belt pulley bar.
In addition, disengaging coupling parts (14) are equipped with in the lower end of described clutch (9), these disengaging coupling parts are pipes of hollow of the outside of a lower end that is wrapped in dehydrating shaft assembly (7) and belt pulley bar (12), and it can move up and down.In addition, the inside serrations (16) that has formed on the inner surface of described disengaging coupling parts (14) so that its can correspondence be engaged on top serrations (11) and the bottom serrations (13).Formed the inclination face (15) of one with it on the outer surface of disengaging coupling parts (14), it forms the inclined plane by being bent downwardly, and outwards outstanding along the cylinder direction.
In addition, the structure of described disengaging coupling parts (14) is: its upper end is supported on the dehydrating shaft assembly (7), the other end is subjected to the support of inside elastic force under the effect of coil compression springs (18), wherein supported in the groove (17) of coil compression springs by the upper end of insertion disengaging coupling parts (14).
One side of described disengaging coupling parts (14) is equipped with the 1st driver part (50) and the 2nd driver part (55), they can move horizontally along with the action that is connected the clutch lever (22) on the brake lever (21), and disengaging coupling parts (14) are moved up and down.The structure of described the 1st driver part (50) is: an end is connected the end of clutch lever (22), and the other end needs and can contact with the inclination face (15) of disengaging coupling parts (14).Tilt facial (51) have also been formed with the end of the 1st driver part (50) of the corresponding contact of inclination face (15) of described disengaging coupling parts (14), this face that tilts forms by outwardly-bent, and the purpose that forms it is in order to make the 1st driver part can more slidingly enter into the inboard of facial (15) soon.
In addition, the structure of described the 2nd driver part (55) is: it roughly is " [" shape, one end is fixed on a side of described the 1st driver part (50), the other end need to walk around disengaging coupling parts (14) a side periphery and contact with the inclination face (15) of opposite one side of disengaging coupling parts (14).The same with the end portion of contacted the 2nd driver part of inclination face (15) (55) of described clutch shaft coupling parts (14) with the 1st driver part (50), also formed tilt facial (56), this tilts and facially also forms by outwardly-bent.
Therefore, described the 1st driver part (50) and the 2nd driver part (55) interlock therewith when clutch lever (22) moves, thereby contact with the both sides of the inclination face (15) of disengaging coupling parts (14) or separate, and disengaging coupling parts (14) are moved up and down.
In addition, when only disengaging coupling parts (14) being risen with described the 1st driver part (50), disengaging coupling parts (14) banking take place and the phenomenon that can not normally rise easily, the 2nd driver part (55) can one side provide the power that disengaging coupling parts (14) are risen from the opposite, thereby can prevent the generation of above-mentioned phenomenon.
The course of action of clutch for washing machine of the present invention with said structure is as described below.
At first, as shown in Figure 3, under washing mode,, thereby make the end of the 1st, 2 driver parts (50,55) enter into the inboard of the inclination face (15) of disengaging coupling parts (14) along with the mobile clutch lever (22) of brake lever (21) can be pushed.Here, because the end of described the 1st, 2 driver parts (50,55) has formed crooked inclination face (51,56), thereby it can rise disengaging coupling parts (14) when contacting soon with the inclination face (15) of disengaging coupling parts (14) is sliding.
Next, along with disengaging coupling parts (14) rise in aforesaid mode, disengaging coupling parts (14) can be removed on one side the engagement between the bottom serrations (13) with belt pulley bar (12), Yi Bian only become the state that the top serrations (11) with dehydrating shaft assembly (7) meshes.
In this state,, make belt pulley (10) rotation, also can rotate with its joining wash shaft assembly (6) so, and then make washing stirr (4) (with reference to Fig. 2, Fig. 3) rotation if the power of drive motors (8) conducts to belt pulley (10).Here because disengaging coupling parts (14) have been removed and belt pulley bar (12) between engagement, thereby the revolving force of belt pulley bar (12) can not conduct to dehydrating shaft assembly (7).
In addition, as shown in Figure 4, under dehydration mode,, so will become the 1st, the 2nd driver part (50,55) and break away from the state that comes from the inclination face (15) of disengaging coupling parts (14) along with the mobile clutch lever (22) of brake lever (21) can be pulled.
Thus, be compressed disengaging coupling parts (14) the meeting decline that wind spring (18) resiliency supported, thereby make its inner serrations (16) and the top serrations (11) of dehydrating shaft assembly (7) and bottom serrations (13) engagement of belt pulley bar (12).
In this state, if the power of drive motors (8) conducts to belt pulley (10), thereby make belt pulley (10) rotation, so with its joining wash shaft assembly (6) and therewith rotation of belt pulley bar (12), this moment, the top serrations (11) owing to dehydrating shaft assembly (7) was connected on the belt pulley bar (12) by disengaging coupling parts (14), thereby the revolving force of belt pulley bar (12) can conduct same as before to dehydrating shaft assembly (7), thereby make sink (3) (with reference to Fig. 2) rotation, realize dehydration.
The effect of invention
As mentioned above, the present invention owing to simplified be used under washing mode and dehydration mode selectively The power of motor conducts the powershift mechanism to wash shaft assembly and dehydrating shaft assembly, thereby can make system Make and maintenance is more prone to and reduces manufacturing expense.
Claims (5)
1, a kind of clutch for washing machine comprises possessing under the effect of motor and the belt pulley of rotation, the upper end be fixed on the bottom that is installed on sink and the rotatable washing stirr and wash shaft assembly that lower end and described belt pulley are fixed together, the upper end is fixed on the dehydrating shaft assembly that the periphery of described wash shaft assembly can be wrapped up of the bottom of sink, be used for brake lever that described dehydrating shaft assembly is stopped the rotation, be connected the clutch lever on the described brake lever, can be along with the action of described brake lever the power of motor selectively to the powershift mechanism of dehydrating shaft assembly conduction; It is characterized in that described powershift mechanism comprises: be fixed on the belt pulley bar on the described belt pulley under the lower end of described dehydrating shaft assembly; Be installed in the outside of the lower end of described dehydrating shaft assembly and described belt pulley bar and can move up and down, thus the lower end that can make described dehydrating shaft assembly and the engagement of belt pulley bar or the disengaging coupling parts that separate; Be used for applying the elastomeric element of downward elastic force to described disengaging coupling parts; The end that is connected described clutch lever can move horizontally along with the action of clutch lever, and its end can or separate with a side contacts of described disengaging coupling parts when moving horizontally, thereby the 1st driver part that described clutch coupling shaft parts are moved up and down; One end is fixedly connected on a side of described the 1st driver part, and the other end is positioned at opposite one side of described disengaging coupling parts, can be with described the 1st driver part interlock, thereby contact with the face of opposite one side of described disengaging coupling parts or separate, and the 2nd driver part that the disengaging coupling parts are moved up and down.
2, clutch for washing machine according to claim 1, it is characterized in that having formed the serrations that is gear tooth profiles on the outer surface of end portion of described dehydrating shaft assembly, on the outer surface of described belt pulley bar, also formed the serrations that is gear tooth profiles, and with the serrations of described dehydrating shaft assembly and belt pulley bar accordingly, on the inner surface of described disengaging coupling parts, also formed inner serrations.
3, clutch for washing machine according to claim 1 and 2, it is characterized in that having formed along the downward-sloping inclination face of outer surface on the outer surface of described disengaging coupling parts, on the end portion of described driver part and the 2nd driver part, also formed and facial corresponding the inclinations face of inclination of described disengaging coupling.
4, clutch for washing machine according to claim 3 is characterized in that the inclination face of described disengaging coupling parts is bent downwardly and forms, and the inclination face of described the 1st, 2 driver parts is bent upwards and forms.
5, a kind of clutch for washing machine, comprise: possess under the effect of motor and the belt pulley of rotation, the upper end be fixed on the bottom that is installed on sink and the rotatable washing stirr and wash shaft assembly that lower end and described belt pulley are fixed together, the upper end is fixed on the bottom of sink, the dehydrating shaft assembly that the periphery of wash shaft assembly can be wrapped up, be used for brake lever that described dehydrating shaft assembly is stopped the rotation, be connected the clutch lever on the described brake lever, can be along with the action of described brake lever the power of motor selectively to the powershift mechanism of dehydrating shaft assembly conduction, it is characterized in that, described powershift mechanism comprises: be fixed on the described belt pulley under the lower end of described dehydrating shaft assembly, and formed the belt pulley bar of the bottom serrations of gear tooth profiles on the outer surface; The top serrations that on the outer surface of the end portion of described dehydrating shaft assembly, forms; Being installed in the lower end of described dehydrating shaft assembly and the outside of described belt pulley bar also can move up and down, formed on the inner surface and the corresponding inner serrations of described upper and lower serrations, formed on the outer surface by being bent downwardly the disengaging coupling parts of the inclination face that tilts down; Be used for applying the compression spring of downward elastic force to described disengaging coupling parts; Be connected the end of described clutch lever, can move horizontally along with the action of clutch lever, and its terminal can or separation when moving horizontally, thereby the 1st driver part that described disengaging coupling parts are moved up and down with a side contacts of described disengaging coupling parts; One end is fixedly connected on a side of described the 1st driver part, the other end is positioned at opposite one side of described disengaging coupling parts, can be with described the 1st driver part interlock, thereby contact with the face of opposite one side of described disengaging coupling parts or separate, and the 2nd driver part that the disengaging coupling parts are moved up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031094562A CN100432329C (en) | 2003-04-11 | 2003-04-11 | Clutch of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031094562A CN100432329C (en) | 2003-04-11 | 2003-04-11 | Clutch of washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1536150A true CN1536150A (en) | 2004-10-13 |
| CN100432329C CN100432329C (en) | 2008-11-12 |
Family
ID=34319349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031094562A Expired - Fee Related CN100432329C (en) | 2003-04-11 | 2003-04-11 | Clutch of washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100432329C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102277710A (en) * | 2011-07-20 | 2011-12-14 | 宁波普尔机电制造有限公司 | Variable-frequency speed-reducing clutch of bionic hand rubbing of washing machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100229135B1 (en) * | 1997-02-18 | 1999-11-01 | 윤종용 | Power transfer apparatus of a washing machine |
| JPH11290578A (en) * | 1998-04-10 | 1999-10-26 | Matsushita Electric Ind Co Ltd | Full-automatic washer |
| TW503288B (en) * | 1999-03-26 | 2002-09-21 | Toshiba Corp | Washing machine serving also for dehydration |
| US7089769B2 (en) * | 2001-05-08 | 2006-08-15 | Lg Electronics Inc. | Direct drive washing machine |
| JP3669297B2 (en) * | 2001-07-11 | 2005-07-06 | 松下電器産業株式会社 | Washing machine |
-
2003
- 2003-04-11 CN CNB031094562A patent/CN100432329C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102277710A (en) * | 2011-07-20 | 2011-12-14 | 宁波普尔机电制造有限公司 | Variable-frequency speed-reducing clutch of bionic hand rubbing of washing machine |
| CN102277710B (en) * | 2011-07-20 | 2013-01-30 | 宁波普尔机电制造有限公司 | Variable-frequency speed-reducing clutch of bionic hand rubbing of washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100432329C (en) | 2008-11-12 |
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Granted publication date: 20081112 |