CN219886389U

CN219886389U - Three-power decelerating clutch and washing machine

Info

Publication number: CN219886389U
Application number: CN202223455652.3U
Authority: CN
Inventors: 周国祥
Original assignee: Ningguo Julong Reducer Co ltd
Current assignee: Ningguo Julong Reducer Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-10-24
Anticipated expiration: 2032-12-23

Abstract

The utility model provides a three-power reduction clutch and a washing machine, wherein the reducer assembly comprises a shell, a brake wheel and a transmission gear train are arranged in the shell, an input shaft of the transmission gear train extends out of a lower shell of the shell and is connected with a driving device, a clutch sleeve is arranged at the end part of the input shaft, a second tooth cog is arranged on the clutch sleeve, an input shaft sleeve is arranged on the outer side of the input shaft, a clutch sliding sleeve is arranged on the input shaft sleeve, a first tooth cog is arranged on the clutch sliding sleeve, and the first tooth cog and the second tooth cog are subjected to tooth cog separation or combination state adjustment through the action of a shifting fork. The utility model discloses a clutch device with different structures by optimizing the clutch structure of a three-power washing machine, which improves the reliability of the clutch device in the use process, prolongs the service life of the washing machine and can be suitable for the three-power washing machine speed reduction clutch assembled by the existing direct-drive motor.

Description

Three-power decelerating clutch and washing machine

Technical Field

The utility model relates to the technical field of washing machines, in particular to a three-power reduction clutch and a washing machine.

Background

With the increasing progress of society, the living standard of people is improved, the demand for household appliances is increased, and meanwhile, the demand for washing machines is increased.

The speed reducing clutch is used as a crucial component in the washing machine, and whether the speed reducing clutch can work normally and well is directly related to whether the washing machine can work effectively or not.

The existing pulsator type three-power washing machine comprises an outer tub, an inner tub, a large pulsator and a small pulsator, wherein the rotation directions of the inner tub and the large pulsator are opposite, the working principle is that a washed object is immersed in washing water, boiling water flows are generated according to the rotation speeds and the rotation directions of the inner tub, the large pulsator and the small pulsator, the clothes are rubbed and washed in multiple directions, the winding and abrasion of the clothes are reduced relative to the pulsator washing machine, and the washing time is shortened relative to the drum washing machine. The matched speed reducing clutch is of a common motor belt driving structure, and the clutch device of the speed reducing clutch is of a clutch spring and ratchet pawl clutch structure. The product structure has the common quality problems of unstable braking moment, washing braking belt, breaking of clutch springs and the like.

In view of this, the present utility model has been proposed.

Disclosure of Invention

In view of the above, the present utility model aims to provide a three-power decelerating clutch and a washing machine, so as to solve the problems of unstable braking moment, washing braking belt, breaking of clutch springs, etc. of the decelerating clutch of the traditional three-power washing machine.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a three power reduction clutch, includes output interface subassembly, reduction gear subassembly, input interface subassembly, clutch mechanism subassembly, input interface subassembly is connected with the sealed transmission of the input of reduction gear subassembly, output interface group is connected with the sealed transmission of the output of reduction gear subassembly, the reduction gear subassembly includes the shell, is provided with brake wheel and drive train in the shell, and drive train's input shaft stretches out the lower casing of shell is connected with drive arrangement the tip of input shaft sets up the clutch housing set up the second tooth cog on the clutch housing set up the input shaft's outside sets up the input shaft sleeve, sets up the clutch sliding sleeve on the input shaft set up first tooth cog on the clutch sliding sleeve, first tooth cog with the second tooth cog carries out tooth cog's separation or combination state adjustment through the action of shifting fork.

Further, the first tooth cog is arranged on the lower end face of the clutch sliding sleeve, and the second tooth cog is arranged on the upper end face of the clutch sleeve.

Further, the number of teeth of the first tooth cog is set to be 3-6.

Furthermore, the inner hole of the clutch sliding sleeve is provided with spline tooth shapes, the spline tooth shapes are arranged on the outer circle of the input shaft sleeve, and the clutch sliding sleeve and the input shaft sleeve can axially slide under the action of the shifting fork.

Further, teeth engaged with the lower housing are arranged on the upper surface of the clutch sliding sleeve, a boss is arranged on the outer surface of the clutch sliding sleeve, a pressure device is arranged between the boss and the lower housing, and the pressure device can enable the clutch sliding sleeve to be separated from the lower housing when no acting force is applied to the shifting fork.

Further, the boss is continuous annular, or the boss is intermittent arc round platform.

Further, when the shifting fork shifts the clutch sliding sleeve to be in an upper limit state, a first tooth cog on the clutch sliding sleeve and a second tooth cog on the clutch sleeve are in a separation state, and the speed reduction clutch is in a washing working condition; when the shifting fork and the pressure device shift the clutch sliding sleeve to be in a lower limit state, the first tooth cog on the clutch sliding sleeve and the second tooth cog on the clutch sleeve are in a combined state, and the speed reducing clutch is in a dehydration working condition.

Further, the driving device is of a belt pulley transmission structure, and the lower end of the input shaft is fixedly connected with the belt pulley and the clutch sleeve through a connecting piece.

Further, the driving device is of a direct-drive transmission structure, and the lower end of the input shaft is fixedly connected with the motor rotor and the clutch sleeve through a connecting piece.

Compared with the prior art, the three-power reduction clutch has the following advantages:

the three-power decelerating clutch optimizes the clutch structure, solves the problems of unstable braking moment, washing braking belt, breaking of a clutch spring and the like of the traditional three-power washing machine decelerating clutch when the three-power decelerating clutch is applied to the three-power washing machine for clutch transmission, improves the reliability of the clutch device in the use process, and prolongs the service life of the washing machine.

Another object of the present utility model is to propose a three-power washing machine on which the three-power reduction clutch as described above is provided.

The advantages of the three-power washing machine and the three-power decelerating clutch compared with the prior art are the same, and are not described in detail herein.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the principle and structure of a three-power reduction clutch according to an embodiment of the present utility model under a washing condition;

FIG. 2 is a schematic diagram of the three-power reduction clutch according to the embodiment of the present utility model in a dehydration condition;

reference numerals illustrate:

1-a brake lever; 2-a brake band; 3-pulling a rod; 4-shifting fork; 5-pulling out the fork seat; 6-clutch sliding sleeve; 601-first dental cog; 602-a boss; 7-clutch sleeve; 701-second dental cog; 8-an input sleeve; 9-a lower housing; 10-an input shaft; 11-pressure means; 12-connecting piece; 13-drive means.

Detailed Description

In order to facilitate understanding of the technical means, objects and effects of the present utility model, embodiments of the present utility model will be described in detail with reference to the accompanying drawings.

It is to be noted that all terms used for directional and positional indication in the present utility model, such as: "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "top", "low", "lateral", "longitudinal", "center", etc. are merely used to explain the relative positional relationship, connection, etc. between the components in a particular state (as shown in the drawings), and are merely for convenience of description of the present utility model, and do not require that the present utility model must be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model. Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Example 1

As shown in fig. 1-2, the utility model discloses a three-power reduction clutch, which comprises an output end interface assembly, a speed reducer assembly, an input end interface assembly and a clutch mechanism assembly, wherein the input end interface assembly is in sealed transmission connection with the input end of the speed reducer assembly, the output end interface assembly is in sealed transmission connection with the output end of the speed reducer assembly, the speed reducer assembly comprises a shell, a brake wheel and a transmission gear train are arranged in the shell, an input shaft 10 of the transmission gear train extends out of a lower shell 9 of the shell and is connected with a driving device 13, a clutch sleeve 7 is arranged at the end part of the input shaft 10, a second tooth cog 701 is arranged on the clutch sleeve 7, an input shaft sleeve 8 is arranged at the outer side of the input shaft 10, a clutch sliding sleeve 6 is arranged on the input shaft 8, a first tooth cog 601 is arranged on the clutch sliding sleeve 6, and the first tooth cog 601 and the second tooth cog 701 are subjected to tooth cog separation or combination state adjustment through actions of a fork 4.

As a conventional three-power reduction clutch, a casing includes an upper casing (labeled in the figure) and a lower casing 9, a brake wheel is disposed in the casing, the brake wheel is adjusted in a braking state under the action of a brake belt 2 and a brake rod 1, a transmission gear train in the brake gear train generally includes at least two layers of gear transmission structures, including structures such as a planet gear and a planet carrier, and the gear transmission structures are adjusted under the action of an input shaft 10 or the input shaft 10 and an input shaft sleeve 8, so that the relative running states of the output shaft and the output shaft sleeve are changed, and the three-power working state adjustment of the reduction clutch is realized in combination with the working state adjustment of the brake wheel. On the basis of the three-power reduction clutch transmission structure, the clutch mechanism assembly comprises a shifting fork 4 and a shifting rod 3, the shifting rod 3 is connected with the brake rod 1, the shifting fork 4 and the shifting rod 3 are hinged and transmitted through a shifting fork seat 5, the shifting fork seat 5 is fixed on the lower shell 9, other parts for controlling a shifting fork moving mechanism such as the brake rod 1, a brake belt 2 and the shifting rod 3 are correspondingly assembled at corresponding positions of the lower shell 9, the position state of the shifting fork 4 is adjusted through the shifting fork moving mechanism, the meshing state of the first tooth cog 601 and the second tooth cog 701 is changed, and therefore clutch adjustment of a washing working condition and a dewatering working condition is achieved.

The utility model discloses a three-power decelerating clutch with an optimized clutch structure, which solves the problems of unstable braking moment, washing and braking belt, breaking of a clutch spring and the like of the decelerating clutch of the traditional three-power washing machine when the three-power decelerating clutch is applied to clutch transmission in the three-power washing machine, improves the reliability of the clutch device in the use process, and prolongs the service life of the washing machine.

As a preferred example of the present utility model, the first tooth insert 601 is disposed on the lower end surface of the clutch sleeve 6, and the second tooth insert 701 is disposed on the upper end surface of the clutch sleeve 7.

The arrangement further ensures the stability of connection and the reliability of transmission when the first tooth insert 601 and the second tooth insert 701 are meshed for transmission, reduces the use of materials and reduces the production cost.

As a preferred example of the present utility model, the number of teeth of the first cog 601 is set to 3 to 6. Correspondingly, the second tooth insert 701 is matched with the first tooth insert 601.

As a preferred example of the present utility model, the inner hole of the clutch sliding sleeve 6 is provided with spline teeth, and the clutch sliding sleeve 6 and the input shaft sleeve 8 can axially slide under the action of the shifting fork 4 on the spline teeth on the outer circle of the input shaft sleeve 8.

This arrangement further ensures the stability and fluency of the up-and-down sliding of the clutch sliding sleeve 6, and at the same time ensures the reliability of the state adjustment of the engagement or disengagement of the first tooth cog 601 with the second tooth cog 701.

As a preferred example of the present utility model, teeth engaged with the lower housing 9 are provided on the upper surface of the clutch sliding sleeve 6, a boss 602 is provided on the outer surface of the clutch sliding sleeve 6, and a pressure device 11 is provided between the boss 602 and the lower housing 9, wherein the pressure device 11 can disengage the clutch sliding sleeve 6 from the lower housing 9 when no force is applied to the fork 4. As a specific example of the present utility model, the boss 602 is disposed on the outer surface of the clutch sliding sleeve 6 near the middle or near the upper end, the toggle connection position of the fork 4 and the clutch sliding sleeve 6 is located at the position of the clutch sliding sleeve 6 near the lower end, and the pressure device 11 can apply downward force, and axially slide and displace under the action of the force of the fork 4 and/or the pressure device 11, so as to realize reliable adjustment of the clutch device.

The arrangement further ensures the reliability of the clutch mechanism component for adjusting the clutch working condition.

As a preferred example of the present utility model, the boss 602 is disposed in a continuous annular shape, or the boss 602 is disposed in an intermittent arc-shaped circular truncated cone, the pressure devices 11 are compression springs, at least two pressure devices 11 are disposed, and the two pressure devices 11 are symmetrically disposed on two sides of the clutch sliding sleeve 6. This arrangement further ensures the reliability of the slipping-off of the clutch partner 6 from the lower housing 9 under the influence of the pressure device 11.

As a mating example of the present utility model, when the shifting fork 4 shifts the clutch sliding sleeve 6 to be in an upper limit, the first tooth cog 601 on the clutch sliding sleeve 6 and the second tooth cog 701 on the clutch sleeve 7 are in a separated state, and the speed reducing clutch is in a washing working condition; when the shifting fork 4 and the pressure device 11 shift the clutch sliding sleeve 6 to be in the lower limit, the first tooth cog 601 on the clutch sliding sleeve 6 and the second tooth cog 701 on the clutch sleeve 7 are in the combined state, and the speed reducing clutch is in the dehydration working condition.

The arrangement limits the limitation of the clutch adjustment of the washing or dewatering working condition when the three-power decelerating clutch with the optimized clutch structure is applied to the three-power washing machine, is convenient to adjust and reliable in transmission, and further solves the problems of unstable braking moment, washing braking belt, breaking of a clutch spring and the like of the decelerating clutch of the traditional three-power washing machine.

As a preferred example of the present utility model, the driving device 13 is a pulley transmission structure, and the lower end of the input shaft 10 is fixedly connected with the pulley and the clutch sleeve 7 through a connecting piece 12. Preferably, the connecting member 12 is a bolt-nut connection structure.

Alternatively, the driving device 13 is a direct-drive transmission structure, and the lower end of the input shaft 10 is fixedly connected with the motor rotor and the clutch sleeve 7 through a connecting piece 12.

The clutch sleeve 7 is connected with the input shaft 10 through a radial positioning component, and the input shaft 10, the clutch sleeve 7, a motor rotor or a belt pulley are fastened and connected into a whole through a connecting piece 12, so that a transmission connection structure is simplified, the space occupied by the three-power reduction clutch is reduced, and the adaptability of the three-power reduction clutch is improved.

The utility model discloses a clutch device with different structures by optimizing the clutch structure of a three-power washing machine, which improves the reliability of the clutch device in the use process, prolongs the service life of the washing machine and can be suitable for the three-power washing machine speed reduction clutch assembled by the existing direct-drive motor.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a three power reduction clutch, its characterized in that, includes output interface subassembly, reduction gear subassembly, input interface subassembly, clutch mechanism subassembly, input interface subassembly is connected with the sealed transmission of the input of reduction gear subassembly, output interface group is connected with the sealed transmission of the output of reduction gear subassembly, the reduction gear subassembly includes the shell, is provided with brake wheel and drive train in the shell, and input shaft (10) of drive train stretches out lower casing (9) and drive arrangement (13) of shell are connected the tip of input shaft (10) sets up clutch housing (7) set up second cog (701) on clutch housing (7) set up input sleeve (8) in the outside of input shaft (10) set up clutch sliding sleeve (6) the hole of clutch sliding sleeve (6) is equipped with the spline profile of tooth on the excircle of input sleeve (8), clutch sliding sleeve (6) with input sleeve (8) spline configuration and can axial slip set up first cog (601) and first cog state (601) are passed through and are moved in the first cog (601) is separated.

2. The three-power reduction clutch according to claim 1, characterized in that the first cog (601) is arranged on the lower end face of the clutch sleeve (6) and the second cog (701) is arranged on the upper end face of the clutch sleeve (7).

3. The three-power reduction clutch according to claim 2, characterized in that the number of tooth numbers of the first cog (601) is set to 3 to 6.

4. The three-power reduction clutch according to claim 1, characterized in that a tooth cog is provided on the upper surface of the clutch slip (6) which engages with the lower housing (9), a boss (602) is provided on the outer surface of the clutch slip (6), a pressure device (11) is provided between the boss (602) and the lower housing (9), the pressure device (11) being capable of disengaging the clutch slip (6) from the lower housing (9) when no force is applied by the fork (4).

5. The three-power reduction clutch according to claim 4, wherein the boss (602) is provided in a continuous annular shape or the boss (602) is provided in a discontinuous arcuate circular truncated cone shape.

6. The three-power reduction clutch according to any one of claims 1 to 5, characterized in that when the shifting fork (4) shifts the clutch sliding sleeve (6) to be in an upper limit, the first tooth cog (601) on the clutch sliding sleeve (6) is in a separated state from the second tooth cog (701) on the clutch sleeve (7), and the reduction clutch is in a washing working condition; when the shifting fork (4) and the pressure device (11) shift the clutch sliding sleeve (6) to be in a lower limit state, the first tooth cog (601) on the clutch sliding sleeve (6) and the second tooth cog (701) on the clutch sleeve (7) are in a combined state, and the speed reducing clutch is in a dehydration working condition.

7. The three-power reduction clutch according to claim 6, wherein the driving device (13) is of a belt pulley transmission structure, and the lower end of the input shaft (10) is fixedly connected with the belt pulley and the clutch sleeve (7) through a connecting piece (12).

8. The three-power reduction clutch according to claim 6, wherein the driving device (13) is of a direct-drive transmission structure, and the lower end of the input shaft (10) is fixedly connected with the motor rotor and the clutch sleeve (7) through a connecting piece (12).

9. A three-power washing machine, wherein the three-power reduction clutch according to any one of claims 1 to 8 is provided in the three-power washing machine.