Impeller cleaning machine and integrated water tank

Abstract

The utility model discloses an impeller cleaning machine which comprises an outer barrel (2). The inner basket (3) is arranged in the outer barrel (2); a power output shaft (41) of the driving part (4) penetrates through the bottom wall of the outer barrel (2) and is in driving connection with the inner basket (3); the sealing structure is characterized in that the periphery of the power output shaft (41) is sleeved with an oil seal type sealing ring (5), the oil seal type sealing ring (5) comprises an inner ring (51), and an upper lip edge (511) and a lower lip edge (512) are arranged on the upper portion and the lower portion of the inner circumferential wall respectively in a protruding mode; and the outer ring (52) comprises sealing parts (521) arranged on the periphery of the inner ring (51) at intervals and connecting parts (522) connected between the inner ring (51) and the sealing parts (521). The utility model further discloses an integrated water tank applying the impeller cleaning machine. Compared with the prior art, the impeller cleaning machine can avoid water leakage.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen equipment technical field, specifically points to a kind of pulsator washing machine and integrated sink. BACKGROUND

[0002] Integrated sink type washing machine in sink is used to wash dishes, fruits and vegetables.

[0003] In order to improve the cleaning effect, people apply the rotating pulsator cleaning scheme to the sink type washing machine, such as the Chinese patent "a sink dishwasher" with patent application number CN201820891413.7 sets the pulsator assembly at the bottom of the basket to rotate and repeatedly lift, enhance the turbulent disturbance of water, and clean more efficiently and quickly.

[0004] For the pulsator washing machine, the power output shaft of the driving member penetrates the outer barrel and the inner basket to drive connection, and when working, the outer barrel contains cleaning water, and the power output shaft rotates relative to the outer barrel, and there is a problem of rotary sealing. In this case, the ordinary sealing ring is used for sealing, and water leakage phenomenon is easy to occur. UTILITY MODEL CONTENTS

[0005] The first technical problem to be solved by the utility model is to provide a pulsator washing machine that can avoid water leakage.

[0006] The second technical problem to be solved by the utility model is to provide an integrated sink applying the above-mentioned pulsator washing machine.

[0007] The technical solution adopted by the utility model to solve the above-mentioned first technical problem is as follows: a pulsator washing machine, comprising

[0008] An outer barrel;

[0009] An inner basket arranged in the outer barrel; and

[0010] A driving member installed outside the outer barrel, with a power output shaft penetrating the bottom wall of the outer barrel and drivingly connected with the inner basket, to drive the inner basket to rotate;

[0011] Characterized in that: an oil seal type sealing ring is sleeved on the outer periphery of the power output shaft, the outer barrel has a first sealing surface and a second sealing surface sealingly matched with the oil seal type sealing ring, and the oil seal type sealing ring comprises

[0012] An inner ring, the upper part and the lower part of the inner peripheral wall are respectively provided with an upper lip and a lower lip, the upper lip and the lower lip abut on the outer peripheral wall of the power output shaft, so as to form an oil storage space between the inner ring and the power output shaft; and

[0013] The outer ring includes a sealing portion spaced apart from the outer periphery of the inner ring and a connecting portion connecting the inner ring and the sealing portion. The outer peripheral wall of the sealing portion abuts against the first sealing surface, and the bottom ends of the inner ring and the sealing portion abut against the second sealing surface.

[0014] To improve aesthetics, the outer ring has an L-shaped cross-section, and its top surface is flush with the top surface of the inner ring.

[0015] To improve strength, an L-shaped support ring is embedded in the outer ring.

[0016] In order to pre-tighten the inner ring onto the power output shaft, an annular groove is provided at the lower part of the outer peripheral wall of the inner ring, and a pre-tightening ring is installed in the annular groove so that the inner ring is tightly pressed against the outer peripheral wall of the power output shaft.

[0017] To improve the sealing effect, the bottom of the inner basket is provided with a transmission seat, the top of which has a mounting groove and the bottom of which has a pressure ring. The top end of the power output shaft passes through the transmission seat and extends into the mounting groove. The mounting groove contains a nut that is threadedly connected to the power output shaft. The nut abuts against the bottom surface inside the mounting groove, so that the pressure ring abuts against the top surface of the oil seal-type sealing ring, thereby making the bottom end of the inner ring and the sealing part tightly abut against the second sealing surface.

[0018] To facilitate the formation of the sealing surface, the bottom wall inside the outer barrel is partially recessed to form a recessed portion. The power output shaft passes through the bottom wall of the recessed portion, and the oil seal is housed in the recessed portion. The peripheral wall inside the recessed portion forms the first sealing surface, and the bottom wall inside the recessed portion forms the second sealing surface.

[0019] To facilitate the installation of the drive unit, the drive unit is installed at the bottom of the outer barrel via a mounting bracket.

[0020] To facilitate water inlet and outlet, the outer tub has a water inlet on its side wall and a drain outlet on its bottom wall.

[0021] To prevent large particles of dirt from clogging the pipes through the drain outlet, a filter screen is installed at the drain outlet.

[0022] The technical solution adopted by this utility model to solve the second technical problem mentioned above is: an integrated water tank, including a water tank, characterized in that: it also includes the above-mentioned impeller cleaning machine, which is disposed on the water tank.

[0023] To facilitate the installation of the impeller cleaning machine, the water tank includes interconnected tank bodies and a fixed cylinder, with the outer bucket located inside the fixed cylinder.

[0024] Compared with the prior art, the advantages of this utility model are as follows: by forming an oil seal-type sealing ring by an inner ring and an outer ring, on the one hand, the upper lip and the lower lip abut against the outer peripheral wall of the power output shaft to form a double radial lip seal, and the outer peripheral wall of the sealing part abuts against the first sealing surface to form a radial seal. On the other hand, the bottom end of the inner ring and the sealing part abuts against the second sealing surface to achieve an end face seal, thereby improving the sealing effect and preventing water leakage. Attached Figure Description

[0025] Figure 1 This is a three-dimensional structural diagram of an embodiment of the integrated water tank of this utility model;

[0026] Figure 2 for Figure 1 A three-dimensional structural diagram of a medium-sized impeller cleaning machine;

[0027] Figure 3 for Figure 2 A longitudinal sectional view;

[0028] Figure 4 for Figure 3 Enlarged view of Part I;

[0029] Figure 5 for Figure 4 A three-dimensional structural diagram of an oil-sealed sealing ring (excluding the support ring and preload ring);

[0030] Figure 6 for Figure 5 A schematic diagram of the three-dimensional structure from another direction. Detailed Implementation

[0031] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0032] In the specification and claims of this utility model, terms indicating direction, such as "front," "rear," "upper," "lower," "left," "right," "side," "top," and "bottom," are used to describe various exemplary structural parts and elements of this utility model. However, the use of these terms is merely for the purpose of explanation and is based on the exemplary orientations shown in the accompanying drawings. Since the embodiments disclosed in this utility model can be arranged in different orientations, these terms indicating direction are for illustrative purposes only and should not be regarded as limitations. For example, "upper" and "lower" are not necessarily limited to directions opposite to or consistent with the direction of gravity.

[0033] like Figures 1 to 6 The image shows a preferred embodiment of the integrated sink of this utility model. The integrated sink includes a sink 1 and a pulsator washing machine disposed on the sink 1. The pulsator washing machine includes an outer tub 2, an inner basket 3, a drive component 4, and an oil-sealed sealing ring 5.

[0034] The water tank 1 includes a tank body 11 and a fixed cylinder 12 that are connected to each other.

[0035] The outer tub 2 is located inside the fixed tube 12. Specifically, the bottom wall inside the outer tub 2 is partially recessed to form a recess 21. The peripheral wall inside the recess 21 is designated as the first sealing surface 211, and the bottom wall inside the recess 21 is designated as the second sealing surface 212. The side wall of the outer tub 2 has a water inlet 22, and the bottom wall of the outer tub 2 has a drain outlet 23. The drain outlet 22 is covered with a filter screen 24.

[0036] The inner basket 3 is rotatably disposed inside the outer bucket 2. Specifically, the bottom of the inner basket 3 is provided with a transmission seat 31, the top of which has a mounting groove 311, and the bottom of which has a pressure ring 312.

[0037] The driving component 4 is a motor, which is installed at the bottom of the outer barrel 2 via a fixed base 40. The power output shaft 41 of the motor passes through the bottom wall of the recess 21 and the transmission base 31 in sequence and extends into the mounting groove 311.

[0038] The oil seal 5 is housed within the recess 21 and fitted around the outer periphery of the power output shaft 41. In this embodiment, the oil seal 5 includes an inner ring 51, an outer ring 52, a support ring 53, and a preload ring 54.

[0039] Specifically, the upper and lower parts of the inner peripheral wall of the inner ring 51 are respectively provided with an upper lip 511 and a lower lip 512, which abut against the outer peripheral wall of the power output shaft 41 so that an annular oil storage space is formed between the inner ring 51 and the power output shaft 41; an annular groove 513 is provided at the lower part of the outer peripheral wall of the inner ring 51.

[0040] The outer ring 52 includes a sealing portion 521 spaced around the outer periphery of the inner ring 51 and a connecting portion 522 connecting the inner ring 51 and the sealing portion 521. The outer peripheral wall of the sealing portion 521 abuts against the first sealing surface 211. In this embodiment, the cross-section of the outer ring 52 is L-shaped and the top surface is flush with the top surface of the inner ring 51.

[0041] The cross-section of the support ring 53 is L-shaped and is embedded in the outer ring 52;

[0042] The preload ring 54 is installed in the annular groove 513 so that the inner ring 51 is tightly pressed against the outer peripheral wall of the power output shaft 41.

[0043] In addition, the mounting groove 311 contains a nut 3111 that is threadedly connected to the power output shaft 41. The nut 3111 abuts against the bottom surface inside the mounting groove 311, so that the pressure ring 312 abuts against the top surface of the oil seal type sealing ring 5, thereby making the bottom end of the inner ring 51 and the sealing part 521 tightly abut against the second sealing surface 212. On the one hand, it realizes the drive connection between the power output shaft 41 and the inner basket 3 to drive the inner basket 3 to rotate, and on the other hand, it improves the sealing effect.

[0044] The working principle of this embodiment is as follows: During operation, the power output shaft 41 of the drive component 4 drives the transmission seat 31 to rotate, which in turn drives the inner basket 3 to rotate simultaneously. During the rotation of the power output shaft 41, on the one hand, the upper lip 511 and the lower lip 512 abut against the outer peripheral wall of the power output shaft 41 to form a double radial lip seal, and the outer peripheral wall of the sealing part 521 abuts against the first sealing surface 211 to form a radial seal. On the other hand, the bottom end of the inner ring 51 and the sealing part 521 abuts against the second sealing surface 212 to achieve an end face seal, thereby improving the sealing effect and preventing water leakage.

Claims

1. A pulsator washing machine comprising an outer tub (2); an inner basket (3) arranged in the outer tub (2); and a driving member (4) mounted outside the outer tub (2), a power output shaft (41) of which penetrates through a bottom wall of the outer tub (2) and is drivingly connected with the inner basket (3) to drive the inner basket (3) to rotate; characterized in that an oil seal type sealing ring (5) is sleeved on an outer periphery of the power output shaft (41), the outer tub (2) has a first sealing surface (211) and a second sealing surface (212) sealingly matched with the oil seal type sealing ring (5), the oil seal type sealing ring (5) comprises an inner ring (51), an upper portion and a lower portion of an inner peripheral wall of which are respectively provided with an upper lip (511) and a lower lip (512), the upper lip (511) and the lower lip (512) abut on an outer peripheral wall of the power output shaft (41) to form an oil storage space between the inner ring (51) and the power output shaft (41); and an outer ring (52) comprising a sealing portion (521) arranged at an outer periphery of the inner ring (51) and a connecting portion (522) connected between the inner ring (51) and the sealing portion (521), an outer peripheral wall of the sealing portion (521) abuts on the first sealing surface (211), and bottom ends of the inner ring (51) and the sealing portion (521) abut on the second sealing surface (212).

2. The pulsator washing machine according to claim 1, characterized in that: The outer ring (52) has an L-shaped cross section, and a top surface of the outer ring (52) is flush with a top surface of the inner ring (51).

3. The pulsator washing machine according to claim 2, characterized in that: The outer ring (52) is embedded with a support ring (53) having an L-shaped cross section.

4. The pulsator washing machine according to claim 2, characterized in that: A lower portion of the inner peripheral wall of the inner ring (51) is provided with an annular groove (513), and a pre-tightening ring (54) is mounted in the annular groove (513) to make the inner ring (51) tightly abut on the outer peripheral wall of the power output shaft (41).

5. The pulsator washing machine according to claim 2, characterized in that: A bottom portion of the inner basket (3) is provided with a transmission seat (31), a top portion of the transmission seat (31) is provided with a mounting groove (311), and a bottom portion of the transmission seat (31) is provided with a pressing ring (312), a top end of the power output shaft (41) penetrates through the transmission seat (31) and extends into the mounting groove (311), the mounting groove (311) is internally provided with a nut (3111) threadedly connected with the power output shaft (41), the nut (3111) abuts on an inner bottom surface of the mounting groove (311) to make the pressing ring (312) abut on a top surface of the oil seal type sealing ring (5), and then the bottom ends of the inner ring (51) and the sealing portion (521) tightly abut on the second sealing surface (212).

6. The pulsator washing machine according to claim 1, characterized in that: A bottom wall of an inner portion of the outer tub (2) is partially concave to form a concave portion (21), the power output shaft (41) penetrates through the bottom wall of the concave portion (21), the oil seal type sealing ring (5) is accommodated in the concave portion (21), an inner peripheral wall of an inner portion of the concave portion (21) forms the first sealing surface (211), and an inner bottom wall of the inner portion of the concave portion (21) forms the second sealing surface (212).

7. The pulsator washing machine according to claim 1, characterized in that: The driving member (4) is installed on the bottom of the outer barrel (2) through a fixing seat (40).

8. A pulsator washing machine according to any one of claims 1 to 7, characterized in that: The outer barrel (2) is provided with a water inlet (22) on the side wall and a water outlet (23) on the bottom wall.

9. The pulsator washing machine according to claim 8, characterized in that: The water outlet (23) is covered with a filter screen (24).

10. An integrated sink comprising a sink (1), characterized in that: The washing machine with the pulsator as claimed in any one of claims 1 to 9 is arranged on the sink (1).

11. The integrated sink of claim 10, wherein: The sink (1) comprises a sink body (11) and a fixing cylinder (12) connected with each other, and the outer barrel (2) is arranged in the fixing cylinder (12).

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