Deceleration clutch device of washing machine

Abstract

The utility model discloses a washing machine speed reduction clutch device, which comprises a brake wheel, a speed reduction clutch and a speed reduction clutch, the speed reduction gear train is installed in the installation cavity of the brake wheel and comprises a planetary gear train located on the upper layer, an ordinary gear train located on the lower layer and an inner gear ring meshed with the planetary gear train and the ordinary gear train; one end of the input shaft extends into the installation cavity of the brake wheel, the end, located in the installation cavity, of the input shaft is sequentially provided with an input shaft gear and a center gear, the input shaft gear is fixed to the input shaft and is in meshing transmission with the planetary gear train, and the input shaft is rotationally sleeved with the center gear; the sun gear is in meshing transmission with the ordinary gear train, and a planet carrier of the planetary gear train is fixedly connected with the sun gear; the clutch shaft is sleeved on the input shaft, and one end of the clutch shaft is fixedly connected with the brake wheel; the impeller shaft is fixedly connected with a planet carrier of the planetary gear train; and the dewatering shaft is sleeved on the impeller shaft and is fixedly connected with the inner gear ring.

Description

TECHNICAL FIELD

[0001] The utility model relates to laundry equipment technical field, specifically relates to a washing machine deceleration clutch device. BACKGROUND

[0002] Full-automatic impeller washing machine, as a kind of universally used household appliance, its structure generally includes outer drum, inner drum being arranged in outer drum interior and impeller being arranged in inner drum interior. Wherein, the outer drum as water containing barrel is used to contain washing water, and the inner drum as dehydration barrel can be driven to rotate at high speed to carry out dehydration, and the impeller can be driven to rotate in inner drum to stir washing water to form washing water flow and wash clothes. Washing machine deceleration clutch device as the core transmission component of washing machine is mainly used to reduce the rotating speed of motor and increase torque, and washing machine deceleration clutch device is also used to realize the switching of washing condition and dehydration condition of full-automatic impeller washing machine.

[0003] In traditional washing machine deceleration clutch, they are basically washing machine in washing condition, dehydration shaft is braked, and washing machine is driven to reciprocating rotation after being driven to rotate in two directions by motor, impeller shaft drives impeller to realize reciprocating rotation, and inner drum of washing machine does not rotate, thereby failing to wash clothes by rubbing, and failing to achieve the desired washing effect and improve washing ratio of washing machine.

[0004] Therefore, the utility model patent is proposed. CONTENT OF UTILITY MODEL

[0005] In order to solve the above problem, the utility model aims at providing a washing machine deceleration clutch device, which can realize double power output of impeller shaft and dehydration shaft in washing condition, drive impeller and inner drum of washing machine to rotate in double power, and improve washing ratio of washing machine.

[0006] Specifically, the following technical scheme is adopted:

[0007] A washing machine deceleration clutch device comprises:

[0008] Brake wheel, which has installation chamber inside;

[0009] Deceleration gear train, which is installed in installation chamber of brake wheel, and comprises planetary gear train in upper layer, fixed shaft gear train in lower layer and inner gear ring meshing with planetary gear train and fixed shaft gear train respectively;

[0010] An input shaft, one end of which extends into the mounting chamber of the brake wheel, the end of the input shaft located in the mounting chamber is provided with an input shaft gear and a center gear in sequence, the input shaft gear is fixed on the input shaft or integrally formed with the input shaft, the input shaft gear is engaged with the planetary gear train for transmission, the center gear is rotatably sleeved on the input shaft, the center gear is engaged with the fixed shaft gear train for transmission, and the planet carrier of the planetary gear train is fixedly connected with the center gear;

[0011] A clutch shaft, sleeved on the input shaft, one end of which is fixedly connected with the brake wheel;

[0012] A pulsator shaft, fixedly connected with the planet carrier of the planetary gear train;

[0013] A dehydration shaft, sleeved on the pulsator shaft, fixedly connected with the inner gear ring.

[0014] As an optional embodiment of the present embodiment, the input shaft comprises a first shaft section and a second shaft section integrally formed, one end of the second shaft section extends into the mounting chamber of the brake wheel, one end of the second shaft section is located outside the mounting chamber of the brake wheel, the first shaft section is arranged at one end of the second shaft section located in the mounting chamber of the brake wheel, the diameter of the first shaft section is larger than that of the second shaft section, the input shaft gear is machined from the outer peripheral wall of the first shaft section, and the center gear is rotatably sleeved on the second shaft section and abuts against the end of the first shaft section.

[0015] As an optional embodiment of the present embodiment, a first wear-resistant ring is arranged between the end of the center gear and the end of the first shaft section.

[0016] As an optional embodiment of the present embodiment, the input shaft comprises a third shaft section integrally formed with the second shaft section, the third shaft section is arranged at one end of the second shaft section located outside the mounting chamber of the brake wheel, and the diameter of the third shaft section is smaller than that of the second shaft section.

[0017] As an optional embodiment of the present embodiment, the speed reduction and clutch device of the washing machine comprises a ratchet pawl clutch mechanism, the ratchet pawl clutch mechanism comprises a ratchet and a pawl matched with the ratchet, a clutch shaft sleeve is sleeved on the third shaft section, the clutch shaft sleeve is fixedly connected with the third shaft section through splines, and the ratchet is sleeved on the clutch shaft sleeve and the clutch shaft.

[0018] As an optional embodiment of the present embodiment, an inserted tooth groove is formed on the end cover of the planet carrier of the planetary gear train close to one end of the fixed shaft gear train, and the outer engagement tooth end of the center gear is inserted into the inserted tooth groove for fixed connection.

[0019] As an optional implementation of the embodiment, the brake wheel comprises a brake wheel body and a brake wheel cover, the brake wheel body has an open accommodating cavity, the brake wheel cover is fixedly installed at the open end of the brake wheel body, and an installation cavity is formed between the brake wheel cover and the brake wheel body; the fixed shaft wheel frame of the fixed shaft wheel system is fixedly installed on the brake wheel cover, and the clutch shaft is integrally formed with the brake wheel cover.

[0020] As an optional implementation of the embodiment, the fixed shaft wheel frame comprises a fixed shaft wheel frame cover and a plurality of fixed shaft wheel shafts, one end of the fixed shaft wheel shaft is fixedly installed on the brake wheel cover, the other end is fixedly installed on the fixed shaft wheel frame cover, and a second wear-resistant ring is arranged between the fixed shaft wheel frame cover and the planetary wheel frame of the planetary wheel system.

[0021] As an optional implementation of the embodiment, the plurality of fixed shaft wheel shafts are non-uniformly distributed along the circumference of the brake wheel cover.

[0022] As an optional implementation of the embodiment, the washing machine deceleration clutch device of the embodiment comprises a lower shell, the brake wheel is installed in the lower shell, the lower shell has a lower shell bearing seat, the input shaft and the clutch shaft pass through the lower shell bearing seat, and a rolling bearing is arranged between the clutch shaft and the lower shell bearing seat.

[0023] The working principle of the washing machine deceleration clutch device is as follows:

[0024] When the washing condition is in the initial braking state, the motor drives the input shaft to rotate, the input shaft drives the input shaft gear to rotate synchronously, the input shaft gear is in meshing transmission with the planetary wheel system, the planetary wheel frame of the planetary wheel system drives the center gear and the impeller shaft to rotate in the same direction, the center gear drives the fixed shaft wheel system at the same time, the fixed shaft wheel system drives the inner gear ring to rotate, and the inner gear ring is fixedly connected with the dehydration shaft, so as to drive the dehydration shaft to rotate at the same time, and the transmission chain of the dehydration shaft and the impeller shaft is opposite to each other, at this time, the washing machine deceleration clutch device is in the washing state; the washing object is rubbed and washed in the stable ideal water flow, and the washing ratio of the washing machine is effectively improved.

[0025] When the dehydration condition is in the initial braking state, the brake wheel is released, the clutch device is reset, the input shaft gear is combined with the clutch shaft through the clutch shaft sleeve, the clutch shaft and the brake wheel are integrally connected with the dehydration shaft, at this time, the entire movement core including the input shaft gear, the clutch shaft, the brake wheel, the impeller shaft and the dehydration shaft is combined into a whole. Under the driving of the motor, the entire movement core is driven to rotate at a high speed in the clockwise direction at the rotation speed of the input shaft, and the dehydration condition is realized.

[0026] The utility model discloses a washing machine deceleration clutch device, under the washing condition, input shaft, input shaft gear, planetary gear train, impeller shaft is composed of a deceleration mechanism, and the power output of impeller shaft realizes the impeller rotation of washing machine, and the planetary gear train of planetary gear train, sun gear, fixed axle gear train, inner toothed ring, dehydration shaft is composed of another deceleration mechanism, and the power output of dehydration shaft realizes the inner drum rotation of washing machine. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 The utility model discloses a washing machine deceleration clutch device's front view;

[0028] Figure 2 The utility model discloses a washing machine deceleration clutch device's bottom view;

[0029] Figure 3 The utility model discloses a washing machine deceleration clutch device's section view;

[0030] Figure 4 The utility model discloses a washing machine deceleration clutch device's partial enlarged view. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment.

[0032] Therefore, the following detailed description of the embodiment of the utility model is not intended to limit the scope of the claimed utility model, but only represents some embodiments of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of the protection of the utility model.

[0033] It should be noted that the embodiments and the features and technical solutions in the embodiments in the utility model can be combined with each other without conflict.

[0034] It should be noted that like numerals and letters refer to like items throughout the several views, where like numerals and letters refer to like items throughout the several views, and therefore, once an item is defined in one view, it need not be further defined and explained in subsequent views.

[0035] In the description of the utility model, it needs to explain, the orientation or position relation indicated by the terms "upper", "lower" and the like is based on the orientation or position relation shown in the drawings, or is the orientation or position relation that the utility model product is usually placed when using, or is the orientation or position relation that the person skilled in the art usually understands, these terms are only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it can not be understood as the limitation of the utility model.In addition, the terms "first", "second" and the like are only used for distinguishing description, and can not be understood as indicating or implying relative importance.

[0036] Embodiment one

[0037] Referring to Figures 1-4 The washing machine deceleration clutch device of the embodiment comprises:

[0038] The brake wheel 3000 has an installation chamber in the interior;

[0039] The deceleration gear train is installed in the installation chamber of the brake wheel 3000, and comprises a planetary gear train 1700 located at the upper layer, a fixed shaft gear train 2900 located at the lower layer and an inner ring gear 2800 meshing with the planetary gear train 1700 and the fixed shaft gear train 2900 respectively;

[0040] The input shaft 100 has one end extending into the installation chamber of the brake wheel 3000, and the input shaft gear 1600 and the center gear 1500 are sequentially arranged at the end of the input shaft 100 in the installation chamber, the input shaft gear 1600 is fixed on the input shaft 100 or integrally formed with the input shaft 100, the input shaft gear 1600 is in meshing transmission with the planetary gear train 1700, the center gear 1500 is rotatably sleeved on the input shaft 100, the center gear 1500 is in meshing transmission with the fixed shaft gear train 2900, and the planet carrier 2600 of the planetary gear train 1700 is fixedly connected with the center gear 1500;

[0041] The clutch shaft 1100 is sleeved on the input shaft 100, and one end is fixedly connected with the brake wheel 3000;

[0042] The pulsator shaft 900 is fixedly connected with the planet carrier 2600 of the planetary gear train 1700;

[0043] The dehydration shaft 800 is sleeved on the pulsator shaft 900 and fixedly connected with the inner ring gear 2800.

[0044] The washing machine speed reduction clutch device of the embodiment:

[0045] When the brake wheel 3000 is in the initial braking state, the motor drives the input shaft 100 to rotate, the input shaft drives the input shaft gear 1600 to rotate synchronously, the input shaft gear 1600 drives the planetary gear train 1700 to rotate in the same direction, the planetary gear train 1700 drives the center gear 1500 and the pulsator shaft 900 to rotate in the same direction, the center gear 1500 drives the fixed shaft gear train 2900, the fixed shaft gear train 2900 drives the inner ring gear 2800 to rotate, and the inner ring gear 2800 is fixedly connected with the dehydration shaft 800, so the dehydration shaft 800 is driven to rotate at the same time, and the dehydration shaft 800 and the pulsator shaft 900 are opposite to each other in the transmission chain, at this time, the washing machine speed reduction clutch device is in the washing state; the washing objects are rubbed and washed in the stable ideal water flow, and the washing ratio of the washing machine is effectively improved.

[0046] When the brake wheel 3000 is in the initial braking state, the motor drives the input shaft 100 to rotate, the input shaft drives the input shaft gear 1600 to rotate synchronously, the input shaft gear 1600 drives the planetary gear train 1700 to rotate in the same direction, the planetary gear train 1700 drives the center gear 1500 and the pulsator shaft 900 to rotate in the same direction, the center gear 1500 drives the fixed shaft gear train 2900, the fixed shaft gear train 2900 drives the inner ring gear 2800 to rotate, and the inner ring gear 2800 is fixedly connected with the dehydration shaft 800, so the dehydration shaft 800 is driven to rotate at the same time, and the dehydration shaft 800 and the pulsator shaft 900 are opposite to each other in the transmission chain, at this time, the washing machine speed reduction clutch device is in the washing state; the washing objects are rubbed and washed in the stable ideal water flow, and the washing ratio of the washing machine is effectively improved.

[0047] The washing machine speed reduction clutch device of the embodiment, in the washing condition, the input shaft 100, the input shaft gear 1600, the planetary gear train 1700 and the pulsator shaft 900 form a speed reduction mechanism, the power output of the pulsator shaft 900 realizes the rotation of the pulsator of the washing machine; the planetary gear train 1700, the center gear 1500, the fixed shaft gear train 2900, the inner ring gear 2800 and the dehydration shaft 800 form another speed reduction mechanism, and the power output of the dehydration shaft 800 realizes the rotation of the inner barrel of the washing machine. The washing machine speed reduction clutch device of the embodiment, the brake wheel 3000 is completely braked, the motor directly drives the input shaft 100 to drive the planetary gear train 1700 and the fixed shaft gear train 2900 in the differential compound gear train to reduce the speed and output two rotating directions opposite to each other and different in speed, so that the pulsator shaft 900 and the dehydration shaft 800 are driven at the same time, thereby driving the pulsator and the inner barrel of the washing machine to rotate in opposite directions and at different speeds, and then the clothes are rubbed and washed, the washing efficiency is improved, and the washing ratio of the clothes is improved.

[0048] As an optional embodiment of the present embodiment, the input shaft 100 described in the present embodiment comprises a first shaft section 101 and a second shaft section 102 which are integrally formed, one end of the second shaft section 102 extends into the mounting cavity of the brake wheel 3000, and the other end is located outside the mounting cavity of the brake wheel 3000, the first shaft section 101 is arranged at one end of the second shaft section 102 which is located inside the mounting cavity of the brake wheel 3000, the diameter of the first shaft section 101 is larger than that of the second shaft section 102, the input shaft gear 1600 is machined from the outer peripheral wall of the first shaft section 101, and the sun gear 1500 is rotatably sleeved on the second shaft section 102 and abuts against the end of the first shaft section 101.

[0049] The present embodiment realizes the design of the input shaft gear 1600 and the rotatable mounting of the sun gear 1500 through the structural design of the input shaft 100.

[0050] Further, the first wear-resistant ring 3500 is arranged between the end of the sun gear 1500 and the end of the first shaft section 101. In this way, the end of the sun gear 1500 contacts the first wear-resistant ring 3500 during the rotation of the sun gear 1500 on the second shaft section 102 of the input shaft 100, thereby avoiding wear.

[0051] The input shaft 100 of the present embodiment comprises a third shaft section 103 which is integrally formed with the second shaft section 102, the third shaft section 103 is arranged at one end of the second shaft section 102 which is located outside the mounting cavity of the brake wheel 3000, and the diameter of the third shaft section 103 is smaller than that of the second shaft section 102. In this way, the sun gear 1500 can be sleeved on the second shaft section 102 from one end of the third shaft section 103 of the input shaft 100.

[0052] Further, the present embodiment provides a washing machine deceleration clutch device, which comprises a ratchet pawl clutch mechanism, the ratchet pawl clutch mechanism comprises a ratchet wheel 200 and a pawl 300 which cooperates with the ratchet wheel 200, the clutch sleeve 1000 is sleeved on the third shaft section 103, the clutch sleeve 1000 is fixedly connected with the third shaft section 103 through the spline, and the ratchet wheel 200 is sleeved on the clutch sleeve 1000 and the clutch shaft 1100. The ratchet pawl clutch mechanism of the present embodiment can realize the engagement and separation of the clutch sleeve 1000 and the clutch shaft 1100, the clutch sleeve 1000 is separated from the clutch shaft 1100 to switch to the washing working condition, and the clutch sleeve 1000 is engaged with the clutch shaft 1100 to switch to the dehydration working condition.

[0053] In order to realize the fixed connection between the planet carrier 2600 of the planetary gear system 1700 and the sun gear 1500, as an optional embodiment of the present embodiment, a pin slot is formed on the end cover 2700 of the planet carrier 2600 of the planetary gear system 1700 close to one end of the fixed shaft gear system 2900, and the outer meshing tooth end of the sun gear 1500 is inserted into the pin slot for fixed connection.

[0054] As an optional embodiment of the present embodiment, the brake wheel 3000 includes a brake wheel body 3001 having an open accommodating cavity and a brake wheel cover 3002 fixedly installed on the open end of the brake wheel body 3001, and an installation cavity is formed between the brake wheel cover 3002 and the brake wheel body 3001; the fixed shaft carrier of the fixed shaft gear system 2900 is fixedly installed on the brake wheel cover 3002, and the clutch shaft 1100 is integrally formed with the brake wheel cover 3002.

[0055] Further, the fixed shaft carrier of the present embodiment includes a fixed shaft carrier cover 2901 and a plurality of fixed shaft shafts 2902, one end of the fixed shaft shaft 2902 is fixedly installed on the brake wheel cover 3002, the other end is fixedly installed on the fixed shaft carrier cover 2901, the fixed shaft gear 3100 is installed on the fixed shaft shaft 2902, and the second wear-resistant ring 3600 is arranged between the fixed shaft carrier cover 2901 and the planet carrier 2600 of the planetary gear system 1700.

[0056] The washing machine deceleration clutch device of the present embodiment is characterized in that the plurality of fixed shaft shafts 2902 are non-uniformly distributed along the circumference of the brake wheel cover 2901. Specifically, the central angle between at least two adjacent fixed shaft shafts 2902 is different from that between other fixed shaft shafts. The fixed shaft gear system 2900 of the present embodiment adopts a non-uniform gear system structure, which can increase the number of gears and improve the load capacity of the gear system in the same space, and has a compact structure and high space utilization rate. By using a non-uniform planetary gear system, more gears can be arranged to improve the load capacity of the gear system.

[0057] The washing machine deceleration clutch device of the present embodiment includes a brake belt 500 and a brake arm 600, the brake belt 500 is clamped on the outer circumference of the brake wheel 3000, the brake arm 600 is connected with the brake belt 500, and the brake wheel 3000 is pulled by the brake arm 600 to realize the braking and releasing of the brake wheel 300.

[0058] The washing machine deceleration clutch device of the present embodiment includes a dehydration shaft sleeve 1200 arranged between the input shaft 100 and the clutch shaft 1100.

[0059] The washing machine deceleration clutch device of the present embodiment includes a clutch sleeve 2400 arranged between the pulsator shaft 900 and the dehydration shaft 800.

[0060] Embodiment Two

[0061] Referring to Figures 1-4 As shown in the drawings, the speed reduction clutch device of the washing machine of the present embodiment comprises:

[0062] A brake wheel 3000 having an installation chamber inside;

[0063] A speed reduction wheel train installed in the installation chamber of the brake wheel 3000, the speed reduction wheel train comprising an upper planetary wheel train 1700, a lower fixed shaft wheel train 2900, and an inner ring gear 2800 meshing with the planetary wheel train 1700 and the fixed shaft wheel train 2900 respectively;

[0064] An input shaft 100 extending into the installation chamber of the brake wheel 3000, the input shaft 100 having an input shaft gear 1600 and a center gear 1500 arranged in sequence at the end of the input shaft 100 in the installation chamber, the input shaft gear 1600 being fixed on the input shaft 100 or being integrally formed with the input shaft 100, the input shaft gear 1600 being in meshing transmission with the planetary wheel train 1700, the center gear 1500 being rotatably sleeved on the input shaft 100, the center gear 1500 being in meshing transmission with the fixed shaft wheel train 2900, the planet carrier 2600 of the planetary wheel train 1700 being fixedly connected with the center gear 1500;

[0065] A clutch shaft 1100 sleeved on the input shaft 100, one end of the clutch shaft 1100 being fixedly connected with the brake wheel 3000;

[0066] A pulsator shaft 900 fixedly connected with the planet carrier 2600 of the planetary wheel train 1700;

[0067] A dewatering shaft 800 sleeved on the pulsator shaft 900, the inner ring gear 2800 being fixedly connected with a torque disc 2500, the dewatering shaft 800 being fixedly connected with the torque disc 2500.

[0068] The washing machine speed reduction clutch device of the embodiment is composed of an input shaft 100, an input shaft gear 1600, a planetary gear train 1700 and a pulsator shaft 900 in a washing condition, and the power output of the pulsator shaft 900 realizes the pulsator rotation of the washing machine; the planetary gear train 1700, a sun gear 1500, a fixed shaft gear train 2900, an inner ring gear 2800 and a dehydration shaft 800 form another speed reduction mechanism, and the power output of the dehydration shaft 800 realizes the inner drum rotation of the washing machine. The washing machine speed reduction clutch device of the embodiment is completely braked by the brake wheel 3000, and the input shaft 100 is directly driven by the motor to drive the planetary gear train 1700 and the fixed shaft gear train 2900 in the differential compound gear train speed reduction device to output two rotations in opposite directions and at different speeds, so that the pulsator shaft 900 and the dehydration shaft 800 are simultaneously driven to drive the washing machine pulsator and the inner drum to rotate in opposite directions and at different speeds, thereby achieving the effect of washing the clothes by rubbing, improving the washing efficiency and the clothes washing ratio.

[0069] The dehydration shaft 800 and the inner ring gear 2800 of the embodiment are connected through a torque transmission disc 2500, have good rigidity, large transmission torque and improved stability in the dehydration condition.

[0070] Further, the torque transmission disc 2500 is provided with a pin gear on the outer periphery, and the torque transmission disc 2500 is fixedly connected with the inner ring gear 2800 through the pin gear.

[0071] Specifically, one end of the torque transmission disc 2500 is provided with a pin gear 2501 on the outer periphery, and the other end of the torque transmission disc 2500 is provided with a limiting end cover 2502 formed by the outer periphery edge of the other end beyond the tooth tip of the pin gear 2501, the end of the inner ring gear 2800 is provided with a limiting groove 2801, the pin gear 2501 of the torque transmission disc 2500 is inserted into the inner meshing tooth groove of the inner ring gear 2800, and the limiting end cover 2502 of the torque transmission disc 2500 is limitedly matched with the limiting groove 2801.

[0072] The torque transmission disc 2500 is provided with a torque transmission disc spline hole in the center, the dehydration shaft 800 is provided with a dehydration shaft outer spline at the end, and the dehydration shaft outer spline is inserted into the torque transmission disc spline hole for fixed connection. In this way, the torque transmission disc 2500 and the dehydration shaft 800 are connected by spline, have good rigidity, large transmission torque and improved stability in the dehydration condition.

[0073] The end of the planetary gear carrier 2600 of the planetary gear train 1700 is provided with a third wear-resistant ring 3700 between the torque transmission disc 2500 close to the side end of the planetary gear carrier 2600.

[0074] As an optional implementation of the embodiment, the planetary gear carrier 2600 of the planetary gear train 1700 of the embodiment is provided with a planetary gear carrier spline hole at the center of the end thereof, the end of the pulsator shaft 900 is provided with a pulsator shaft outer spline, and the pulsator shaft outer spline is inserted into the planetary gear carrier spline hole to be fixedly connected. In this way, the planetary gear carrier 2600 and the pulsator shaft 900 are connected by means of splines, and the rigidity is good, the transmission torque is large, and the stability of the washing working condition is improved.

[0075] As an optional implementation of the embodiment, the brake wheel 3000 of the embodiment comprises a brake wheel body 3001 and a brake wheel cover 3002, the brake wheel body 3001 has an open accommodating cavity, the brake wheel cover 3002 is fixedly installed at the open end of the brake wheel body 3001, an installation cavity is formed between the brake wheel cover 3002 and the brake wheel body 3001, and the clutch shaft 1100 is integrally formed with the brake wheel cover 3002; a through hole is formed in the brake wheel body 3001 at an end opposite to the open end, the pulsator shaft 900 and the dehydration shaft 800 pass through the through hole, and a first rolling bearing 1900 is arranged between the through hole of the brake wheel body 3001 and the dehydration shaft 800.

[0076] The washing machine deceleration clutch device of the embodiment comprises a lower shell 400, the brake wheel 3000 is installed in the lower shell 400, the lower shell 400 has a lower shell bearing seat 3300, the input shaft 100 and the clutch shaft 1100 pass through the lower shell bearing seat 3300, and a second rolling bearing 1300 is arranged between the clutch shaft 1100 and the lower shell bearing seat 3300.

[0077] The washing machine deceleration clutch device of the embodiment comprises an upper shell 700, the upper shell 700 has an upper shell bearing seat 2300, the pulsator shaft 900 and the dehydration shaft 800 pass through the upper shell bearing seat 2300, and a third rolling bearing 2000 is arranged between the upper shell bearing seat 2300 and the dehydration shaft 800.

[0078] The washing machine deceleration clutch device of the embodiment is provided with a small water seal 2100 between the pulsator shaft 900 and the dehydration shaft 800, and a large water seal 2200 is arranged between the upper shell bearing seat 2300 and the dehydration shaft 800.

[0079] The above embodiments are only used to illustrate the technical solutions described in the present application and not to limit the technical solutions described in the present application. Although the present application has been described in detail with reference to the above embodiments, the present application is not limited to the above specific embodiments, and any modification or equivalent replacement of the present application is allowed. Any technical solution and improvement that does not deviate from the spirit and scope of the present application is covered by the claims of the present application.

Claims

1. A speed reduction clutch device for a washing machine, characterized by, include: The brake wheel has an internal mounting chamber. A reduction gear train is installed in the mounting chamber of the brake wheel. The reduction gear train includes an upper planetary gear train, a lower fixed-axis gear train, and an internal gear ring that meshes with the planetary gear train and the fixed-axis gear train, respectively. An input shaft extends into the mounting cavity of the brake wheel at one end. An input shaft gear and a center gear are sequentially arranged at the end of the input shaft located in the mounting cavity. The input shaft gear is fixed on the input shaft or is integrally formed with the input shaft. The input shaft gear meshes with the planetary gear train for transmission. The center gear is rotatably sleeved on the input shaft and meshes with the fixed-axis gear train for transmission. The planetary gear carrier of the planetary gear train is fixedly connected to the center gear. The clutch shaft is sleeved on the input shaft, and one end is fixedly connected to the brake wheel; The impeller shaft is fixedly connected to the planetary gear carrier of the planetary gear train; The dehydration shaft is sleeved on the impeller shaft and fixedly connected to the internal gear ring.

2. A speed reduction clutch device for a washing machine as claimed in claim 1, wherein The input shaft includes an integrally formed first shaft segment and a second shaft segment. One end of the second shaft segment extends into the mounting cavity of the brake wheel, and the other end is located outside the mounting cavity of the brake wheel. The first shaft segment is located at one end of the second shaft segment located inside the mounting cavity of the brake wheel. The diameter of the first shaft segment is larger than the diameter of the second shaft segment. The input shaft gear is machined from the outer peripheral wall of the first shaft segment. The central gear is rotatably sleeved on the second shaft segment, and one end abuts against the end of the first shaft segment.

3. A speed reduction clutch device for a washing machine as claimed in claim 2 wherein, A first wear-resistant ring is provided between the end of the central gear and the end of the first shaft segment.

4. A speed reduction clutch device for a washing machine as claimed in claim 2, wherein The input shaft includes a third shaft segment integrally formed with the second shaft segment. The third shaft segment is located at one end of the second shaft segment outside the mounting cavity of the brake wheel, and the diameter of the third shaft segment is smaller than the diameter of the second shaft segment.

5. A speed reduction clutch device for a washing machine as claimed in claim 4 wherein, The system includes a ratchet and pawl clutch mechanism, which includes a ratchet and a pawl that cooperates with the ratchet. A clutch bushing is fitted on the third shaft segment, and the clutch bushing is fixedly connected to the third shaft segment by a spline. The ratchet is fitted on both the clutch bushing and the clutch shaft.

6. A speed reduction clutch device for a washing machine as claimed in claim 2, wherein A tooth-shaping groove is formed on the end cap of the planetary gear carrier near the fixed-axis gear train, and the external meshing tooth end of the central gear is inserted into the tooth-shaping groove for fixed connection.

7. A speed reduction clutch device for a washing machine as claimed in claim 1, wherein The brake wheel includes a brake wheel body and a brake wheel cover. The brake wheel body has an open receiving chamber. The brake wheel cover is fixedly installed on the open end of the brake wheel body, and the brake wheel cover and the brake wheel body enclose each other to form an installation chamber. The fixed axis wheel frame of the fixed axis wheel system is fixedly installed on the brake wheel cover. The clutch shaft is integrally formed with the brake wheel cover.

8. A speed reduction clutch device for a washing machine as claimed in claim 7 wherein, The fixed-axis wheel carrier includes a fixed-axis wheel carrier cover and multiple fixed-axis wheel shafts. One end of each fixed-axis wheel shaft is fixedly mounted on the brake wheel cover, and the other end is fixedly mounted on the fixed-axis wheel carrier cover. A second wear-resistant ring is provided between the fixed-axis wheel carrier cover and the planetary gear carrier of the planetary gear system.

9. A speed reduction clutch device for a washing machine as claimed in claim 8 wherein, The plurality of the fixed-axis wheel shafts are non-uniformly distributed along the circumference of the brake wheel cover.

10. A speed reduction clutch device for a washing machine as claimed in claim 7, wherein The brake wheel is installed in the lower housing, the lower housing has a lower housing bearing seat, the input shaft and the clutch shaft pass through the lower housing bearing seat, and a rolling bearing is arranged between the clutch shaft and the lower housing bearing seat.

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