CN210368349U

CN210368349U - Outer barrel assembly and washing machine

Info

Publication number: CN210368349U
Application number: CN201921308466.2U
Authority: CN
Inventors: 陈坦; 杨洪永; 熊瑞; 袁阿辉; 陈浩
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-04-21
Anticipated expiration: 2029-08-13

Abstract

The utility model provides an urceolus subassembly, washing machine. The outer barrel assembly comprises an outer barrel, a motor installation cavity is constructed on the first end face of the outer barrel, a driving motor is installed in the motor installation cavity, and the outer barrel assembly is further provided with a vacuum generating device, an exhaust pipe of the vacuum generating device is communicated with the motor installation cavity, and when the vacuum generating device runs, the vacuum generating device can vacuumize the motor installation cavity to a preset vacuum degree. According to the utility model discloses an urceolus subassembly, washing machine can guarantee the vacuum in the motor installation cavity to guarantee that the motor installation cavity improves user's washing machine's use travelling comfort to the wall effect of driving motor running noise.

Description

Outer barrel assembly and washing machine

Technical Field

The utility model belongs to the technical field of washing machine makes, concretely relates to urceolus subassembly, washing machine.

Background

Along with the improvement of the life quality of people, the requirements on energy conservation, high efficiency and low noise of household appliances are higher and higher. At present, the drum washing machine is accepted by a large number of users as a daily household appliance, but in the working process of the drum washing machine, a large amount of noise is generated by the high-speed rotation of a motor. The noise is transmitted by the vibration of a medium, the vacuum noise reduction is a common effective active noise reduction means in engineering practice, and the means can isolate the transmission of the motor noise, so that the aim of eliminating the noise generated by the operation of the motor of the washing machine is fulfilled. Specifically, the vacuum cover is often arranged at the motor of the washing machine on the market at present, the motor is accommodated in the vacuum cover, the noise generated when the motor runs can be effectively cut off in the mode, but the vacuum environment in the vacuum cover is formed in a disposable structure before the washing machine leaves a factory, and the vacuum cover and related parts are inevitably aged to form leakage along with the increase of the application time of the washing machine, so that the vacuum degree in the vacuum cover is reduced, even the vacuum degree is lost, and the purpose of cutting off the running noise of the motor in the vacuum environment is greatly reduced, even cannot be realized.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model is to provide an urceolus subassembly, washing machine can guarantee the vacuum in the motor installation cavity to guarantee that the motor installation cavity improves user's washing machine's use travelling comfort to the wall effect of driving motor running noise.

In order to solve the problem, the utility model provides an urceolus subassembly, including the urceolus, be constructed with the motor installation cavity on the first terminal surface of urceolus, install driving motor in the motor installation cavity, still be equipped with the vacuum and produce the device, the vacuum produce the exhaust tube of device with motor installation cavity through connection works as when the vacuum produces the device operation, the vacuum produce the device can with motor installation cavity evacuation is to predetermineeing vacuum.

Preferably, a groove is formed in the first end face, the groove and the motor installation cavity are independent of each other, and the vacuum generating device is installed in the groove.

Preferably, the motor installation cavity is provided with an opening in the axial direction of the outer cylinder, and a cover plate is arranged on the opening in a covering mode.

Preferably, the apron package rubbing board body, still have on the plate body along the boss that the thickness direction of plate body extends, open-ended lip department is constructed with the annular, the border part of plate body with the annular butt, the boss hold in the motor installation cavity.

Preferably, the outer cylinder assembly further comprises a sealing element, and the sealing element is provided with a first sealing part wrapped on the boss and a second sealing part clamped between the plate body and the annular groove.

Preferably, the outer tub assembly further includes a cooling part capable of cooling the motor installation cavity and the driving motor.

Preferably, the cooling part comprises a cooling pipe, the cooling pipe is a hollow pipeline, one inlet end of the cooling pipe is communicated with the water pump, and one outlet end of the cooling pipe is positioned outside the motor installation cavity.

Preferably, the cooling tube is at least partially within the motor mounting cavity.

Preferably, a heat conduction layer is arranged on the cavity wall of the motor installation cavity, and the heat conduction layer wraps the part, located in the motor installation cavity, of the cooling pipe.

Preferably, the outer barrel assembly further comprises a double-ended terminal capable of sealingly interfacing a cable of the drive motor with an external cable.

The utility model also provides a washing machine, including foretell urceolus subassembly.

The utility model provides a pair of urceolus subassembly, washing machine works as the motor installation cavity quilt behind the vacuum generator evacuation, the motor installation cavity keeps being vacuum environment promptly, and this has effectively blocked the noise that driving motor produced when the operation, thereby guarantees the motor installation cavity improves user's washing machine's use travelling comfort to the wall effect of driving motor running noise, simultaneously, because the motor installation cavity with the exhaust tube through connection of vacuum generator, thereby the vacuum of motor installation cavity is less than and predetermines vacuum and can control in time the vacuum generator operation, once more will the vacuum of motor installation cavity improves to predetermineeing on the vacuum, has reduced to a certain extent like this right the sealed requirement of motor installation cavity has reduced the design degree of difficulty of corresponding part.

Drawings

FIG. 1 is a schematic partial cross-sectional view of an outer barrel assembly according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a perspective view of the sealing member of fig. 1.

The reference numerals are represented as:

1. an outer cylinder; 11. a motor mounting cavity; 12. a groove; 13. a cover plate; 131. a plate body; 132. a boss; 2. a drive motor; 3. a vacuum generating device; 4. a seal member; 41. a first seal portion; 42. a second seal portion; 51. a cooling tube; 52. a water pump; 6. a heat conductive layer; 7. and sealing the bearing oil seal.

Detailed Description

Referring to fig. 1 to 3 in combination, according to the embodiment of the present invention, an outer cylinder assembly is provided, including outer cylinder 1, Motor installation cavity 11 is configured on the first end face of outer cylinder 1, install driving Motor 2 in Motor installation cavity 11, still be equipped with vacuum generating device 3, vacuum generating device 3's exhaust tube with Motor installation cavity 11 through connection, when vacuum generating device 3 operates, vacuum generating device 3 can with Motor installation cavity 11 evacuation is to predetermineeing the vacuum, and based on the consideration in the aspect of the space compactness of Motor installation cavity 11, preferably, driving Motor 2 adopts DD Motor (Direct Driver, Direct drive Motor), and of course, driving Motor 2 also can adopt BLDC (Brushless Direct current Motor) Motor. In the technical scheme, when the motor installation cavity 11 is vacuumized by the vacuum generation device 3, the motor installation cavity 11 is kept in a vacuum environment, which effectively blocks the noise generated when the driving motor 2 operates, thereby ensuring the separation effect of the motor installation cavity 11 on the operation noise of the driving motor, and improving the use comfort of the washing machine of a user.

For example, the vacuum generating device 3 may be a common micro vacuum pump, and in order to ensure the vacuum degree in the motor installation cavity 11, preferably, the type of the micro vacuum pump should be selected from vacuum pumps with a limiting vacuum degree of 2-10 Pa, and most preferably, the vacuum generating device can ensure that the preset vacuum degree in the motor installation cavity 11 is 10 Pa.

Preferably, the first end face is further configured with a groove 12, the groove 12 is independent from the motor installation cavity 11, and the vacuum generating device 3 is installed in the groove 12, that is, the vacuum generating device 3 can be installed to sink into the groove 12.

The motor installation cavity 11 may be variously configured, for example, the aforementioned driving motor 2 is preferably a DD motor in consideration of the compactness of the outer cylinder assembly in its axial length, and further, the motor installation cavity 11 has an opening in the axial direction of the outer cylinder 1, and the opening is covered with a cover plate 13, that is, when the driving motor 2 is installed, its installation space is in the axial direction of the outer cylinder assembly, and the installation of the driving motor 2 can be easily achieved through the opening.

Specifically, apron 13 includes plate body 131, still have on the plate body 131 along the boss 132 that plate body 131's thickness direction extends, open-ended lip department is constructed with the annular, plate body 131 the border position with the annular butt, boss 132 hold in the motor installation cavity 11, apron 13 with form between the opening and buckle sealed effect. Furthermore, the outer cylinder assembly further includes a sealing element 4, the sealing element 4 has a first sealing portion 41 wrapped around the boss 132 and a second sealing portion 42 sandwiched between the plate body 131 and the ring groove, and the sealing element 4 effectively seals the opening, i.e., the motor installation cavity 11, in the axial and radial directions of the boss 132, so as to facilitate the maintenance of the vacuum environment in the motor installation cavity 11. It is understood that the medium pressure resistance of the sealing element 4 should not be lower than 0.1 Mpa. Preferably, the plate body 131 is further provided with a reinforcing rib to enhance the structural strength of the cover plate 13, for example, the reinforcing rib is located on the end surface of the plate body 131 facing away from the boss 132.

In order to cool and dissipate the heat of the driving motor 2 in time, the outer cylinder assembly preferably further includes a cooling component capable of cooling the motor installation cavity 11 and the driving motor 2.

Specifically, the cooling part includes a cooling pipe 51, the cooling pipe 51 is a hollow pipeline, one end of an inlet of the cooling pipe 51 is connected to a water pump 52 in a penetrating manner, one end of an outlet of the cooling pipe 51 is located outside the motor installation cavity 11, and a water inlet of the water pump 52 at this time may be connected to a tap water faucet, for example; further, the cooling pipe 51 is formed integrally with the outer cylinder 1 by injection molding.

Further, the cooling pipe 51 is at least partially located in the motor installation cavity 11, which can increase the contact area between the cooling pipe 51 and the motor installation cavity 11, and thus can improve the heat dissipation efficiency of the cooling pipe, and as a more environmental-friendly manner, preferably, the water inlet of the water pump 52 is communicated with the water containing cavity of the outer tub 1, that is, the water pump 52 can use the washing water in the water containing cavity as the cooling water in the cooling pipe 51, which can fully utilize the washing water in the water containing cavity on one hand, and more importantly, one end of the outlet of the cooling pipe 51 is also communicated with the water containing cavity of the outer tub 1, so as to form a circulation with the washing water in the water containing cavity, which can heat up and heat the washing water, and improve the washing effect of the clothes.

The heat conduction layer 6 is arranged on the cavity wall of the motor installation cavity 11, the heat conduction layer 6 can be formed by epoxy resin, for example, preferably, the heat conduction layer 6 can be in contact with connecting pieces such as installation bolts of the driving motor 2 (for example, 6 bolts and 3 positioning pins adopted by a rotor of the driving motor 2 are fixedly connected with the outer barrel 1), so that heat of the driving motor 2 can be transferred to the heat conduction layer 6, further, the heat conduction layer 6 is wrapped on the part, located in the motor installation cavity 11, of the cooling pipe 51, and heat exchange is realized between the heat conduction layer 6 and water in the cooling pipe 51. The thickness of the heat conducting layer 6 is preferably 1mm to 3 mm.

Preferably, urceolus subassembly still includes double-end terminal, double-end terminal can with driving motor 2's cable and the sealed butt joint of outside cable to the assurance is right when driving motor 2 supplies power, not cause adverse effect to the leakproofness of motor installation cavity 11, and is best, double-end terminal with urceolus 1 integrated into one piece of moulding plastics, thereby guarantees double-end terminal with the possible problem of revealing between the urceolus 1.

According to the embodiment of the utility model, still provide a washing machine, including foretell urceolus subassembly, can understand, still be equipped with the inner tube in the appearance water cavity of urceolus 1 of urceolus subassembly, the axial end of inner tube will with driving motor 2's rotor is connected, thereby guarantees driving motor 2 is right the rotatory drive of inner tube, it is further, urceolus 1 motor installation cavity 11 department construct with the shaft hole that the inner tube is linked together, and will set up sealed bearing oil blanket 7 in the shaft hole and realize right motor installation cavity 11's is sealed, like the requirement of the resistant medium pressure of aforementioned sealing member 4, the resistant medium pressure of sealed bearing oil blanket 7 should not be less than 0.1Mpa yet.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an urceolus subassembly, its characterized in that includes urceolus (1), be constructed motor installation cavity (11) on the first terminal surface of urceolus (1), install driving motor (2) in motor installation cavity (11), still be equipped with vacuum generating device (3), the exhaust tube of vacuum generating device (3) with motor installation cavity (11) through connection, work as when vacuum generating device (3) operate, vacuum generating device (3) can with motor installation cavity (11) evacuation is to predetermineeing the vacuum.

2. The outer cylinder assembly as claimed in claim 1, wherein the first end face is further formed with a groove (12), the groove (12) is independent of the motor mounting cavity (11), and the vacuum generating device (3) is mounted in the groove (12).

3. The outer cylinder assembly according to claim 1, characterized in that the motor mounting cavity (11) has an opening in the axial direction of the outer cylinder (1), and the opening is covered with a cover plate (13).

4. The outer cylinder assembly as claimed in claim 3, wherein the cover plate (13) comprises a plate body (131), the plate body (131) further comprises a boss (132) extending along the thickness direction of the plate body (131), the open lip is configured with a ring groove, the edge of the plate body (131) abuts against the ring groove, and the boss (132) is accommodated in the motor installation cavity (11).

5. The outer cylinder assembly of claim 4, further comprising a sealing member (4), wherein the sealing member (4) has a first sealing portion (41) wrapped around the boss (132) and a second sealing portion (42) sandwiched between the plate body (131) and the ring groove.

6. The tub assembly of claim 2, further comprising a cooling means capable of cooling the motor mounting cavity (11) and the drive motor (2).

7. The outer barrel assembly of claim 6, wherein the cooling component comprises a cooling pipe (51), the cooling pipe (51) is a hollow pipeline, an inlet end of the cooling pipe (51) is connected with a water pump (52) in a penetrating way, and an outlet end of the cooling pipe (51) is positioned outside the motor installation cavity (11).

8. The tub assembly of claim 7, characterized in that the cooling tube (51) is at least partially within the motor mounting cavity (11).

9. The tub assembly of claim 8, characterized in that a heat conducting layer (6) is provided on the wall of the motor mounting chamber (11), and the heat conducting layer (6) is wrapped around the portion of the cooling pipe (51) in the motor mounting chamber (11).

10. The outer barrel assembly according to any one of claims 1 to 9 further comprising a double ended terminal capable of sealingly interfacing an electrical cable of the drive motor (2) with an external electrical cable.

11. A washing machine comprising a tub assembly, wherein the tub assembly is as claimed in any one of claims 1 to 10.