CN219010734U

CN219010734U - Rotary coupling type water sealing and draining clutch and washing machine

Info

Publication number: CN219010734U
Application number: CN202223446336.XU
Authority: CN
Inventors: 刘翔; 王喜雨
Original assignee: Ningguo Julong Reducer Co ltd
Current assignee: Ningguo Julong Reducer Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-12
Anticipated expiration: 2032-12-22

Abstract

The utility model provides a rotary coupling type water sealing and draining clutch and a washing machine, wherein the clutch comprises a pulsator shaft, a ratchet mechanism is arranged outside a clutch shaft sleeve of the pulsator shaft, a rubber water sealing disc is arranged on the ratchet mechanism, the ratchet mechanism is used for driving the rubber water sealing disc to rotate, the clutch shaft sleeve is connected with the bottom of an inner barrel through a flange, a first water draining hole is arranged on the bottom, a second water draining hole is arranged on the flange, a third water draining hole is arranged on the rubber water sealing disc, and a fourth water draining hole is arranged on the ratchet mechanism; in the washing, dewatering and water inlet state, the first water discharge hole, the second water discharge hole, the third water discharge hole and the fourth water discharge hole are staggered; in the drainage state, the first drainage hole, the second drainage hole, the third drainage hole and the fourth drainage hole are correspondingly arranged. The clutch can not only keep water in the inner barrel from losing in washing, dewatering and water inlet states; but also can realize sealing and draining in the draining state.

Description

Rotary coupling type water sealing and draining clutch and washing machine

Technical Field

The utility model relates to the field of washing machines, in particular to a rotary coupling type water sealing and draining clutch and a washing machine.

Background

In the transmission system of the pulsator washing machine in the prior art, a motor drives a clutch through a belt, and the clutch drives a pulsator or an inner barrel to rotate.

The patent of application number CN201320472390.3 in the prior art discloses a clutch of a washing machine, which comprises a clutch housing, a pulsator shaft, a dehydration shaft, a clutch sleeve, a clutch spring, a ratchet wheel, an outer sleeve shaft, a pawl, a clutch lever and a gear shaft, wherein when the washing machine is in a dehydration state, the clutch sleeve, the clutch spring, the ratchet wheel and the outer sleeve shaft are connected into a whole, and a belt pulley is arranged on the clutch sleeve, the clutch spring, the ratchet wheel and the outer sleeve shaft. The clutch of the patent can drive the drainage pump to rotate for drainage while driving the inner barrel to rotate for dehydration, and the power for driving the drainage pump to rotate is provided by the motor for driving the clutch to rotate, so that the drainage pump of the washing machine is reduced by one motor connected with the water pump, the manufacturing cost of the drainage pump is reduced, and the manufacturing cost of the washing machine is reduced; sealing drainage is not realized in the drainage state.

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

Disclosure of Invention

The utility model aims at providing a rotary coupling type water sealing and draining clutch and a washing machine, which are used for solving the problems that in the prior art, a rubber water sealing disc is not arranged on a ratchet mechanism of the clutch, and the washing machine cannot keep water in an inner barrel from losing in washing, dewatering and water inlet states; the problem of sealing and draining in the draining state cannot be realized.

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

the rotary coupling type water sealing and draining clutch comprises a pulsator shaft, a ratchet mechanism is arranged outside a clutch shaft sleeve of the pulsator shaft, a rubber water sealing disc is arranged on the ratchet mechanism, the ratchet mechanism is used for driving the rubber water sealing disc to rotate, the clutch shaft sleeve is connected with the bottom of an inner barrel of a washing machine through a flange, a first water draining hole is formed in the bottom, a second water draining hole is formed in the flange, a third water draining hole is formed in the rubber water sealing disc, and a fourth water draining hole is formed in the ratchet mechanism; in the washing, dewatering and water inlet state, the first water drain hole is arranged corresponding to the second water drain hole, the third water drain hole is arranged corresponding to the fourth water drain hole, and the first water drain hole, the second water drain hole, the third water drain hole and the fourth water drain hole are staggered; in the drainage state, the first drainage hole, the second drainage hole, the third drainage hole and the fourth drainage hole are correspondingly arranged.

According to the rotary coupling type water sealing and draining clutch, the rubber water sealing disc is arranged on the ratchet mechanism, the ratchet mechanism can drive the rubber water sealing disc to rotate, and the first water draining hole, the second water draining hole, the third water draining hole and the fourth water draining hole are staggered when in washing, dewatering and water inflow states, so that water in the inner barrel is kept from running off; the first water drain hole, the second water drain hole, the third water drain hole and the fourth water drain hole can be correspondingly arranged in the water drain state, so that water sealing and draining are realized; on one hand, the water resource can be saved, and on the other hand, the secondary pollution is effectively prevented.

Further, the ratchet mechanism comprises a ratchet and a pawl clutch rod, the ratchet is sleeved on the outer side of the clutch shaft sleeve, the ratchet is rotationally connected with the clutch shaft sleeve, and the rubber water sealing disc is arranged above the ratchet; in the washing, dewatering and water inlet processes, the pawl clutch lever is separated from the ratchet wheel, and in the water discharging state, the pawl clutch lever drives the ratchet wheel to rotate.

Further, a clutch torsion spring is arranged between the ratchet wheel and the clutch shaft sleeve, one end of the clutch torsion spring is fixedly connected with the clutch shaft sleeve, and the other end of the clutch torsion spring is fixedly connected with the ratchet wheel.

Further, the rotary coupling type water sealing and draining clutch is arranged on a clutch mounting plate at the bottom of the outer barrel of the washing machine, and the pawl clutch lever is arranged on the clutch mounting plate.

Further, a clutch lever rotating shaft seat is arranged on the clutch mounting plate, and the pawl clutch lever is arranged on the clutch lever rotating shaft seat.

Further, the clutch lever rotating shaft seat is fixedly arranged on the clutch mounting plate, and the pawl clutch lever is rotationally connected with the clutch lever rotating shaft seat

Further, a large water seal is arranged in the clutch mounting plate, a flanging is arranged around the central hole of the bottom of the outer barrel, and the flanging is in sealing fit with the large water seal.

Further, the flange is fixed under the bottom in a sealing way, and the flange is fixedly connected with the clutch shaft sleeve through a fastener.

Further, a mounting hole is formed in the flange, the fastener is mounted in the mounting hole, and the mounting hole and the second drain hole are arranged in a crossing mode.

In a second aspect of the present utility model, a washing machine is provided, the washing machine including an inner tub, an outer tub, and a rotary coupling type water sealing and draining clutch according to any one of the above, the rotary coupling type water sealing and draining clutch being mounted on a clutch mounting plate of a tub bottom of the outer tub.

Compared with the prior art, the rotary coupling type water sealing and draining clutch and the washing machine have the following beneficial effects:

according to the rotary coupling type water sealing and draining clutch and the washing machine, the rubber water sealing disc is arranged on the ratchet mechanism, the ratchet mechanism can drive the rubber water sealing disc to rotate, and the first water draining hole, the second water draining hole, the third water draining hole and the fourth water draining hole are staggered in washing, dewatering and water inflow states, so that water in the inner barrel is kept from running off; the first water drain hole, the second water drain hole, the third water drain hole and the fourth water drain hole can be correspondingly arranged in the water drain state, so that water sealing and draining are realized; on one hand, the water resource can be saved, and on the other hand, the secondary pollution is effectively prevented.

Drawings

FIG. 1 is a schematic cross-sectional view of a rotary coupling seal and drain clutch according to an embodiment of the present utility model;

FIG. 2 is an enlarged cross-sectional schematic view of the structure shown at A in FIG. 1;

FIG. 3 is a second schematic cross-sectional view of a rotary coupling type water sealing and draining clutch according to an embodiment of the present utility model;

fig. 4 is an enlarged sectional structure diagram at a in fig. 3.

Reference numerals illustrate:

1. an inner barrel; 2. a pulsator; 3. a pulsator shaft; 4. a bottom; 5. a flange; 51. a second drain hole; 6. a rubber water sealing disc; 61. a third drain hole; 7. a fourth drain hole; 8. a ratchet wheel; 9. a clutch toggle spring; 10. an outer tub; 11. large water seal; 12. a pawl clutch lever; 13. a clutch lever rotating shaft seat; 14. a clutch mounting plate; 15. a first drain hole; 16. a clutch sleeve; 17. a fastener.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The description of "first," "second," etc. in embodiments of the present utility model is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

The embodiment provides a rotary coupling type water sealing and draining clutch, as shown in fig. 1-4, the rotary coupling type water sealing and draining clutch comprises a pulsator shaft 3, a ratchet mechanism is arranged outside a clutch shaft sleeve 16 of the pulsator shaft 3, a rubber water sealing disc 6 is arranged on the ratchet mechanism, the ratchet mechanism is used for driving the rubber water sealing disc 6 to perform rotary motion, the clutch shaft sleeve 16 is connected with the bottom 4 of an inner tub 1 of a washing machine through a flange 5, a first water draining hole 15 is arranged on the bottom 4, a second water draining hole 51 is arranged on the flange 5, a third water draining hole 61 is arranged on the rubber water sealing disc 6, and a fourth water draining hole 7 is arranged on the ratchet mechanism; in the washing, dewatering and water intake states, as shown in fig. 1 and 2, the first water discharge hole 15 is arranged corresponding to the second water discharge hole 51, the third water discharge hole 61 is arranged corresponding to the fourth water discharge hole 7, and the first water discharge hole 15 and the second water discharge hole 51 are arranged in a staggered manner with the third water discharge hole 61 and the fourth water discharge hole 7; in the drainage state, as shown in fig. 3 and 4, the first drainage holes 15, the second drainage holes 51 are provided corresponding to the third drainage holes 61 and the fourth drainage holes 7.

According to the rotary coupling type water sealing and draining clutch, the rubber water sealing disc 6 is arranged on the ratchet mechanism, the ratchet mechanism can drive the rubber water sealing disc 6 to rotate, and the first water draining hole 15, the second water draining hole 51, the third water draining hole 61 and the fourth water draining hole 7 are staggered in washing, dewatering and water inflow states, so that water in the inner barrel 1 is kept from running off; the first water drain hole 15, the second water drain hole 51, the third water drain hole 61 and the fourth water drain hole 7 can be correspondingly arranged in the water drain state, so that water seal and drainage are realized; on one hand, the water resource can be saved, and on the other hand, the secondary pollution is effectively prevented.

Specifically, the ratchet mechanism comprises a ratchet wheel 8 and a pawl clutch rod 12, the ratchet wheel 8 is sleeved on the outer side of the clutch shaft sleeve 16, the ratchet wheel 8 is rotationally connected with the clutch shaft sleeve 16, and the rubber water sealing disc 6 is arranged above the ratchet wheel 8; during washing, dewatering and water intake, as shown in fig. 1 and 2, the pawl clutch lever 12 is provided separately from the ratchet wheel 8; in the drain state, as shown in fig. 3 and 4, the pawl clutch lever 12 drives the ratchet wheel 8 to rotate.

Specifically, as shown in fig. 1, 2, 3 and 4, a clutch torsion spring 9 is installed between the ratchet 8 and the clutch sleeve 16, one end of the clutch torsion spring 9 is fixedly connected with the clutch sleeve 16, and the other end of the clutch torsion spring 9 is fixedly connected with the ratchet 8.

This arrangement enables the ratchet wheel 8 and the clutch collar 16 to be held in a relatively fixed position for synchronous movement under the influence of the clutch torsion spring 9.

Specifically, as shown in fig. 1 and 3, the rotary coupling type water sealing and draining clutch is mounted on a clutch mounting plate 14 at the bottom of a tub of the washing machine outer tub 10, and the pawl clutch lever 12 is mounted on the clutch mounting plate 14.

Specifically, as shown in fig. 1 and 3, a clutch lever rotating shaft seat 13 is mounted on the clutch mounting plate 14, and the pawl clutch lever 12 is mounted on the clutch lever rotating shaft seat 13.

Specifically, as shown in fig. 1 and 3, the clutch lever rotating shaft seat 13 is fixedly mounted on the clutch mounting plate 14, and the pawl clutch lever 12 is rotatably connected with the clutch lever rotating shaft seat 13.

Specifically, as shown in fig. 1, 2, 3 and 4, a large water seal 11 is disposed in the clutch mounting plate 14, and a flange is disposed around a central hole of a bottom of the outer tub 10, and the flange is in sealing fit with the large water seal 11.

Specifically, as shown in fig. 2, the flange 5 is fixed under the bottom 4 in a sealing manner, and the flange 5 is fixedly connected with the clutch sleeve 16 through a fastener 17.

Specifically, a mounting hole is provided in the flange 5, and the fastener 17 is mounted in the mounting hole, and the mounting hole is disposed to intersect with the second drain hole 51.

Specifically, the number of the mounting holes is not specifically limited.

More specifically, it is preferable that, in the present embodiment, the number of the mounting holes is set to four. This arrangement improves the mounting stability of the flange 5.

Specifically, the number of the second drain holes 51 is not specifically limited.

More specifically, it is preferable that, in the present embodiment, the number of the second drain holes 51 is set to four. This arrangement improves the efficiency of the drainage.

Four of the mounting holes are uniformly distributed on the circumference of the flange 5, and four of the second drain holes 51 are uniformly distributed on the circumference of the flange 5. This arrangement improves the installation balance stability and the efficiency of drainage.

Specifically, the number of the first drain holes 15 is not specifically limited.

More specifically, it is preferable that, in the present embodiment, the number of the first drain holes 15 is set to four.

Specifically, the number of the third drain holes 61 is not specifically limited.

More specifically, it is preferable that, in the present embodiment, the number of the third drain holes 61 is set to four.

Specifically, the number of the fourth water drain holes 7 is not specifically limited.

More specifically, it is preferable that, in the present embodiment, the number of the fourth drain holes 7 is set to four.

Specifically, as shown in fig. 1 and 3, a pulsator 2 is disposed above the bottom 4, and the pulsator 2 is connected to the pulsator shaft 3.

Specifically, a water throwing hole is arranged at the lower edge of the top balance ring of the inner barrel 1.

For the rotationally coupled water sealing and draining clutch, other relevant components such as a clutch housing are included in addition to the impeller shaft 3, the clutch shaft sleeve 16, the ratchet mechanism, the rubber water sealing disc 6, etc., and in view of the fact that the specific structure and specific assembly relationship of the relevant components are all the prior art, the details are not described herein.

Working principle: in the rotary coupling type water sealing and draining clutch, as shown in fig. 1 and 2, in the washing, dewatering and water inflow state, a pawl clutch lever 12 is arranged separately from a ratchet wheel 8, the ratchet wheel 8 and a rubber water sealing disc 6 keep synchronous action and position with a flange 5 under the action of a clutch torsion spring 9, and a first water draining hole 15, a second water draining hole 51, a third water draining hole 61 and a fourth water draining hole 7 are arranged in a staggered manner, so that water in an inner barrel 1 can be kept from running off; in the drainage state, as shown in fig. 3 and 4, the rotation of the clutch is stopped, under the action of external force, the pawl clutch lever 12 is rotated, and the ratchet wheel 8 is driven by the pawl clutch lever 12 to rotate by a certain angle, so that the first drainage hole 15, the second drainage hole 51, the third drainage hole 61 and the fourth drainage hole 7 are correspondingly arranged, and water in the washing barrel is drained; after the water in the washing barrel is discharged, the pawl clutch lever 12 is reset, and under the action of the clutch torsion spring 9, the first water discharge hole 15, the second water discharge hole 51, the third water discharge hole 61 and the fourth water discharge hole 7 are staggered, so that the water in the inner barrel 1 is in a closed state, and the excessive water in the inner barrel 1 is thrown out of the inner barrel 1 from the water throwing hole at the lower edge of the balance ring at the top of the inner barrel 1 due to the high-speed rotation of the inner barrel 1, so that the drying effect is achieved.

Example 2

This embodiment proposes a washing machine comprising an inner tub 1, an outer tub 10, and a rotary coupling type water sealing and draining clutch according to any one of embodiment 1, which is mounted on a clutch mounting plate 14 of a tub bottom of the outer tub 10.

The washing machine includes other related components such as a casing, besides the inner tub 1, the outer tub 10, and the rotary coupling type water sealing and draining clutch, and the detailed structure and the specific assembly relationship of the related components are all the prior art, and are not described herein.

The washing machine has the same advantages as the rotary coupling type water sealing and draining clutch compared with the prior art, and the description is omitted herein.

Although the present utility model is disclosed above, the present utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model should be assessed accordingly to that of the appended claims.

Claims

1. The rotary coupling type water sealing and draining clutch is characterized by comprising a wave wheel shaft (3), wherein a ratchet mechanism is arranged outside a clutch shaft sleeve (16) of the wave wheel shaft (3), a rubber water sealing disc (6) is arranged on the ratchet mechanism, the ratchet mechanism is used for driving the rubber water sealing disc (6) to rotate, the clutch shaft sleeve (16) is connected with the bottom (4) of an inner barrel (1) of the washing machine through a flange (5), a first water draining hole (15) is formed in the bottom (4), a second water draining hole (51) is formed in the flange (5), a third water draining hole (61) is formed in the rubber water sealing disc (6), and a fourth water draining hole (7) is formed in the ratchet mechanism; in the washing, dewatering and water inlet state, the first water discharge hole (15) is arranged corresponding to the second water discharge hole (51), the third water discharge hole (61) is arranged corresponding to the fourth water discharge hole (7), and the first water discharge hole (15) and the second water discharge hole (51) are staggered with the third water discharge hole (61) and the fourth water discharge hole (7); in the drainage state, the first drainage hole (15), the second drainage hole (51), the third drainage hole (61) and the fourth drainage hole (7) are correspondingly arranged.

2. The rotary coupling type water sealing and draining clutch according to claim 1, characterized in that the ratchet mechanism comprises a ratchet wheel (8) and a pawl clutch lever (12), the ratchet wheel (8) is sleeved on the outer side of the clutch shaft sleeve (16), the ratchet wheel (8) is rotationally connected with the clutch shaft sleeve (16), and the rubber water sealing disc (6) is installed above the ratchet wheel (8); during the washing, dewatering and water intake processes, the pawl clutch lever (12) is arranged separately from the ratchet wheel (8); in a drainage state, the pawl clutch lever (12) drives the ratchet wheel (8) to rotate.

3. A rotationally coupled drainage clutch according to claim 2, characterized in that a clutch toggle spring (9) is mounted between the ratchet wheel (8) and the clutch sleeve (16), one end of the clutch toggle spring (9) is fixedly connected with the clutch sleeve (16), and the other end of the clutch toggle spring (9) is fixedly connected with the ratchet wheel (8).

4. A rotary coupling type water sealing and draining clutch according to claim 3, characterized in that the rotary coupling type water sealing and draining clutch is mounted on a clutch mounting plate (14) of a tub bottom of an outer tub (10) of a washing machine, and the pawl clutch lever (12) is mounted on the clutch mounting plate (14).

5. A rotationally coupled drainage clutch according to claim 4, characterized in that a clutch lever spindle mount (13) is mounted on the clutch mounting plate (14), the pawl clutch lever (12) being mounted on the clutch lever spindle mount (13).

6. The rotary coupling type water sealing and draining clutch according to claim 5, wherein the clutch lever rotating shaft seat (13) is fixedly arranged on the clutch mounting plate (14), and the pawl clutch lever (12) is rotationally connected with the clutch lever rotating shaft seat (13).

7. The rotary coupling type water sealing and draining clutch according to claim 6, characterized in that a large water seal (11) is arranged in the clutch mounting plate (14), a flanging is arranged around a barrel bottom central hole of the outer barrel (10), and the flanging is in sealing fit with the large water seal (11).

8. A rotationally coupled drainage clutch according to claim 7, characterized in that the flange (5) is sealingly fixed under the bottom (4), the flange (5) being fixedly connected to the clutch sleeve (16) by means of a fastener (17).

9. A rotationally coupled drainage clutch according to claim 8, characterized in that mounting holes are provided in the flange (5), in which mounting holes the fastening members (17) are mounted, which mounting holes are arranged crosswise to the second drainage holes (51).

10. A washing machine, characterized in that it comprises an inner tub (1), an outer tub (10) and a rotary coupling type water sealing and draining clutch according to any one of claims 1 to 9, which is mounted on a clutch mounting plate (14) of the tub bottom of the outer tub (10).