WO2021115003A1

WO2021115003A1 - Driving device of clothes dryer, and clothes dryer

Info

Publication number: WO2021115003A1
Application number: PCT/CN2020/128022
Authority: WO
Inventors: 姚龙平; 邴进东; 刘秀姣
Original assignee: 青岛海尔滚筒洗衣机有限公司; 海尔智家股份有限公司
Priority date: 2019-12-12
Filing date: 2020-11-11
Publication date: 2021-06-17
Also published as: CN110983732A

Abstract

A driving device of a clothes dryer, and a clothes dryer. The clothes dryer comprises a dryer drum (2) and a blower (3). The driving device comprises a first motor (4), a second motor (5), and a fixing component (6). An end of the fixing component (6) is connected to the first motor (4), and another end of the fixing component (6) is connected to the second motor (5). An output end of the first motor (4) is connected to the dryer drum (2), and an output end of the second motor (5) is connected to the blower (3). The dryer drum (2) and the blower (3) are driven by the first motor (4) and the second motor (5) respectively, thus achieving good drying performance. Moreover, the fixing component (6) is used to fixedly connect the first motor (4) and the second motor (5), such that the driving device has a compact structure, thus reducing the space occupied by the driving device, and enabling easy arrangement. Besides, since the first motor (4) and the second motor (5) are integrated into a whole by means of the fixing component (6), installation steps during assembly of the clothes dryer can be simplified, thus improving the assembly efficiency of the clothes dryer.

Description

Driving device of clothes dryer and clothes dryer

Technical field

The invention belongs to the technical field of drying equipment, and specifically provides a driving device of a clothes dryer and a clothes dryer.

Background technique

The clothes dryer is a machine that can dry clothes. The clothes dryer mainly includes a drying drum, a fan, and a heating device. The clothes to be dried can be put into the drying drum, and the fan can blow air into the drying drum. The heating device can heat the wind to form hot air, which enters the drying drum to dry the clothes. In order to improve the drying effect of the clothes, the drying drum can be rotated under the drive of a driving motor.

In the prior art, the driving method of the clothes dryer is generally divided into two types. The first type uses a motor to drive the drying drum and the fan at the same time. However, when the clothes dryer is running, the fan and the drying drum act synchronously. Can not provide continuous air flow, especially in the application of heat pump clothes dryers are limited, when drying clothes, the drying drum can not be fully rotated in both directions, which seriously affects the drying effect; the second type, through two motors The drying drum and the fan are driven separately, however, the two motors are arranged separately, which takes up a large space and is not convenient for arrangement.

Therefore, there is a need in the art for a new driving device of a clothes dryer and a corresponding clothes dryer to solve the above-mentioned problems.

Summary of the invention

In order to solve the above-mentioned problems in the prior art, that is, to solve the problem that the structure of the driving device of the existing clothes dryer is poorly set, the present invention provides a driving device of a clothes dryer, the clothes dryer includes a dryer. The drive device includes a first motor, a second motor, and a fixing member. One end of the fixing member is connected to the first motor, and the other end of the fixing member is connected to the second motor. The output end of the first motor is connected to the drying drum, and the output end of the second motor is connected to the fan.

In the preferred technical solution of the above-mentioned driving device, the driving device further includes a deceleration mechanism, one end of the deceleration mechanism is connected to the output end of the first motor, and the other end of the deceleration mechanism is connected to the drying drum .

In the preferred technical solution of the above-mentioned driving device, the speed reduction mechanism includes a fixed shaft, a first transmission wheel, a second transmission wheel, a first transmission belt and a second transmission belt, the fixed shaft is connected to the fixed member, and the first A transmission wheel is connected to the second transmission wheel and both are rotatably connected to the fixed shaft. The diameter of the first transmission wheel is larger than the diameter of the second transmission wheel. The first transmission wheel passes through the first transmission wheel. The transmission belt is connected with the output end of the first motor, and the second transmission wheel is connected with the drying drum through the second transmission belt.

In the preferred technical solution of the above-mentioned driving device, the first transmission wheel and the second transmission wheel are fixedly connected or integrally arranged.

In the preferred technical solution of the above-mentioned driving device, a non-slip structure is provided between the second transmission wheel and the second transmission belt.

In the preferred technical solution of the above-mentioned driving device, the anti-slip structure includes an anti-slip groove formed on the second transmission wheel and an anti-slip protrusion formed on the second transmission belt, the anti-slip groove and the The non-slip bumps are compatible.

In the preferred technical solution of the above-mentioned driving device, the fixing member includes a ring-shaped fixed shell, a part of the first motor is embedded into one end of the ring-shaped fixed shell, and a part of the second motor is embedded into the ring-shaped fixed shell. Fix the other end of the shell.

In the preferred technical solution of the above-mentioned driving device, the fixing member further includes a fixing arm, one end of the fixing arm is connected with the annular fixing shell, and the other end of the fixing arm is connected with the fixing shaft.

In the preferred technical solution of the above-mentioned driving device, the first motor and the second motor are both external rotor motors.

In another aspect, the present invention also provides a clothes dryer, which includes the above-mentioned driving device.

Those skilled in the art can understand that, in the preferred technical solution of the present invention, the driving device includes a first motor and a second motor, the output end of the first motor is connected to the drying drum, and the output end of the second motor is connected to the fan That is, the drying cylinder and the fan are driven separately by two motors. Compared with the structure in the prior art that the drying cylinder and the fan are jointly driven by one motor, the driving device of the present invention can independently control the two motors. During the operation of the clothes dryer, the first motor drives the drying drum to rotate forward and backward. While the first motor drives the drying drum to rotate, the second motor drives the fan to rotate, which can continuously move into the drying drum. The air is supplied to dry the clothes in the drying cylinder, and the drying effect is good. In addition, compared with the structure in the prior art in which the drying drum and the fan are driven by two motors, the driving device of the present invention also fixes the first motor and the second motor through the fixing member, so that the structure of the driving device is more compact. , It occupies a small space and is easy to arrange. In addition, the first motor and the second motor are integrated into a whole through the fixing member. When assembling the dryer, the installation steps can be simplified, thereby improving the assembling efficiency of the dryer.

Further, the driving device further includes a deceleration mechanism, one end of the deceleration mechanism is connected with the first motor, and the other end of the deceleration mechanism is connected with the drying drum. That is, a deceleration mechanism is provided between the first motor and the drying cylinder, and the driving force of the first motor is transmitted to the drying cylinder through the deceleration mechanism. With this arrangement, the rotation speed of the drying cylinder can be reduced, and the drying can be avoided. The rotation speed of the drum is too high, which affects the drying effect of the clothes.

Further, a non-slip structure is provided between the second transmission wheel and the second transmission belt. Through the anti-skid structure provided between the second transmission wheel and the second transmission belt, the friction between the second transmission wheel and the second transmission belt can be enhanced, thereby preventing the second transmission belt from slipping, thereby preventing the second transmission belt from slipping. The slipping affects the rotation of the drying drum, and therefore can avoid affecting the drying effect of the clothes dryer.

In addition, the clothes dryer provided by the present invention on the basis of the above-mentioned technical solution adopts the above-mentioned driving device, and further has the technical effect of the above-mentioned driving device, that is, the structure of the driving device is compact, and it occupies a small space, which is convenient The internal space of the box is arranged, and the speed reduction mechanism of the driving device can reduce the rotation speed of the drying cylinder to ensure the drying effect of the clothes dryer.

Description of the drawings

The preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:

Figure 1 is a schematic diagram of the structure of the clothes dryer of the present invention;

Fig. 2 is a schematic diagram of the structure of the driving device of the present invention.

List of reference signs:

1. Box body, 11, mounting seat, 111, first fixing groove, 112, second fixing groove;

2. Drying drum;

3. Fan;

4. The first motor, 41, the first rotating housing, 42, the driving wheel, 43, the first fixed ring, 44, the connecting shaft;

5. The second motor, 51, the second rotating housing, 52, the drive shaft, 53, the second fixed ring;

6. Fixed component, 61, annular fixed shell, 62, fixed arm;

7. Speed reduction mechanism, 71, fixed shaft, 73, first transmission wheel, 72, second transmission wheel, 74, first transmission belt, 75, second transmission belt, 721, non-slip groove.

Detailed ways

First of all, those skilled in the art should understand that the embodiments described below are only used to explain the technical principles of the present invention, and are not intended to limit the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", etc. indicate the direction or positional relationship The terminology is based on the direction or positional relationship shown in the drawings, which is only for ease of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a reference to the original Limitations of the invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.

In addition, it should be noted that, in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "setup", "connected", and "connected" should be understood in a broad sense, for example, they may be fixed The connection can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be a connection between two components. For those skilled in the art, the specific meaning of the above-mentioned terms in the present invention can be understood according to specific circumstances.

Based on the problem that the structure of the drive device of the existing clothes dryer is poorly set up in the background art. The present invention provides a driving device of a clothes dryer and a clothes dryer, which aim to reduce the space occupied by the driving device on the basis of ensuring that the drying drum and the fan of the clothes dryer are independently driven.

Specifically, as shown in Figs. 1 and 2, the clothes dryer of the present invention includes a cabinet 1, in which a drying drum 2, a fan 3, and a driving device are provided. The driving device includes a first motor 4, a second motor 4, and a second motor. The motor 5 and the fixing member 6. One end of the fixing member 6 is connected to the first motor 4, the other end of the fixing member 6 is connected to the second motor 5, the output end of the first motor 4 is connected to the drying drum 2, and the second motor 5 The output terminal is connected to the fan 3. That is, the clothes dryer of the present invention drives the drying drum 2 and the fan 3 through two motors, and the two motors can be independently controlled. During the operation of the clothes dryer, the first motor 4 can drive the drying drum 2 to rotate forward. And reverse rotation to improve the drying effect on clothes. While the first motor 4 drives the drying drum 2 to rotate, the second motor 5 drives the fan 3 to rotate, which can continuously blow air into the drying drum 2. The clothes in the drying cylinder 2 are dried, and the drying effect is good.

In addition, the driving device of the present invention also fixedly connects the first motor 4 and the second motor 5 through the fixing member 6, so that the structure of the driving device is more compact, the space is small, and the internal space of the box 1 can be rationally arranged. In addition, the first motor 4 and the second motor 5 are integrated into a whole by the fixing member 6, so that when the clothes dryer is assembled, the installation steps can be simplified, thereby improving the assembling efficiency of the clothes dryer. Among them, the fixing member 6 can be configured as a fixing frame or a fixed shell. Those skilled in the art can flexibly set the specific structure of the fixing member 6 in practical applications, as long as the fixing member 6 can connect the first motor 4 and the second motor 5Fix the connection.

Preferably, the first motor 4 is an outer rotor motor, including a first inner stator (not shown in the figure), a first outer rotor (not shown in the figure), and a first rotating shell 41. The first rotating shell 41 and the first rotating shell 41 An outer rotor is fixedly connected. When the first motor 4 is running, the first rotating housing 41 and the first outer rotor rotate synchronously. The second motor 5 is also an outer rotor motor, including a second inner stator (not shown in the figure), Two outer rotors (not shown in the figure) and a second rotating housing 51. The second rotating housing 51 is fixedly connected to the second outer rotor. When the second motor 5 is running, the second rotating housing 51 and the second outer rotor rotate synchronously. Wherein, the first inner stator and the second inner stator are fixedly connected by a fixing member 6. By configuring both the first motor 4 and the second motor 5 as external rotor motors, the volume of the driving device can be further reduced.

In the following, the technical solution of the present invention will be explained by taking the first electric machine 4 and the second electric machine 5 as an example that both are external rotor electric machines.

As shown in Figs. 1 and 2, the driving device of the present invention includes a deceleration mechanism 7 in addition to the first motor 4, the second motor 5 and the fixing member 6, and one end of the deceleration mechanism 7 is connected to the first motor 4. The other end of the speed reduction mechanism 7 is connected to the drying drum 2. That is, a speed reduction mechanism 7 is provided between the first motor 4 and the drying drum 2, and the driving force of the first motor 4 is transmitted to the drying drum 2 through the speed reduction mechanism 7. The rotation speed of the drying cylinder 2 is too high, which affects the drying effect of the clothes.

Preferably, as shown in Figures 1 and 2, the speed reduction mechanism 7 includes a fixed shaft 71, a first transmission wheel 73, a second transmission wheel 72, a first transmission belt 74 and a second transmission belt 75, and the fixed shaft 71 is connected to the fixed member 6 , The first transmission wheel 73 and the second transmission wheel 72 are connected and both are rotatably connected with the fixed shaft 71. The diameter of the first transmission wheel 73 is larger than the diameter of the second transmission wheel 72. The first transmission wheel 73 is connected to the second transmission wheel 73 through the first transmission belt 74. A motor 4 is connected, and the second transmission wheel 72 is connected to the drying drum 2 through a second transmission belt 75. That is, the speed reduction transmission is realized by the first transmission wheel 73 and the second transmission wheel 72. Specifically, the first rotating housing 41 of the first motor 4 is provided with a driving wheel 42 (the diameter of the driving wheel 42 is smaller than the diameter of the first driving wheel 73), and one end of the first driving belt 74 is connected to the driving wheel 42. The other end of a transmission belt 74 is connected to the first transmission wheel 73, the first transmission wheel 73 and the second transmission wheel 72 are connected, and both are rotatably connected to the fixed shaft 71, and one end of the second transmission belt 75 is connected to the second transmission wheel 72 The other end of the second transmission belt 75 is connected to the drying drum 2. When the first motor 4 is running, the driving wheel 42 provided on the first rotating housing 41 drives the first transmission belt 74 to rotate, and the first transmission belt 74 drives the first transmission belt 74 to rotate. The transmission wheel 73 rotates, and the diameter of the first transmission wheel 73 is larger than the diameter of the driving wheel 42 to realize the first-stage deceleration. While the first transmission wheel 73 rotates, the second transmission wheel 72 rotates synchronously with the first transmission wheel 73. The diameter of the second transmission wheel 72 is smaller than the diameter of the first transmission wheel 73 to achieve a second-stage deceleration. The second transmission wheel 72 drives the second transmission belt 75 to rotate, and the second transmission belt 75 drives the drying drum 2 to rotate. Among them, the first transmission wheel 73 and the second transmission wheel 72 can be fixedly connected to facilitate the replacement of the first transmission wheel 73 and/or the second transmission wheel 72, or the first transmission wheel 73 and the second transmission wheel 72 The wheels 72 are integrally arranged to facilitate the manufacture of the first transmission wheel 73 and the second transmission wheel 72 directly. This adjustment and change of the specific connection mode of the first transmission wheel 73 and the second transmission wheel 72 does not deviate from the original The principle and scope of the invention should be limited within the protection scope of the invention.

Preferably, as shown in FIGS. 1 and 2, the second rotating housing 51 of the second motor 5 is provided with a drive shaft 52, and the drive shaft 52 is directly connected to the fan 3 in rotation.

Preferably, as shown in FIGS. 1 and 2, a non-slip structure is provided between the second transmission wheel 72 and the second transmission belt 75. The anti-slip structure includes an anti-slip groove 721 formed on the second transmission wheel 72 and an anti-slip protrusion (not shown in the figure) formed on the second transmission belt 75, and the anti-slip groove 721 is adapted to the anti-slip protrusion. That is, the anti-slip grooves 721 provided on the second transmission wheel 72 cooperate with the anti-slip protrusions provided on the second transmission belt 75 to enhance the friction between the second transmission wheel 72 and the second transmission belt 75. The second transmission belt 75 is prevented from slipping, so as to avoid affecting the drying effect of the clothes dryer.

Preferably, as shown in FIG. 2, the fixing member 6 includes an annular fixed shell 61, a part of the first motor 4 is embedded into one end of the annular fixed shell 61, and a part of the second motor 5 is embedded into the other end of the annular fixed shell 61. . Specifically, a part of the first inner stator of the first motor 4 is embedded into one end of the annular fixed shell 61, and a part of the second inner stator of the second electric machine 5 is embedded into the other end of the annular fixed shell 61 so as to A motor 4 and a second motor 5 are fixedly connected.

Preferably, as shown in FIG. 2, the fixing member 6 further includes a fixing arm 62, one end of the fixing arm 62 is connected to the annular fixing shell 61, and the other end of the fixing arm 62 is connected to the fixing shaft 71. That is, the fixed shaft 71 is connected to the ring-shaped fixed shell 61 through the fixed arm 62. Wherein, the fixed arm 62 and the annular fixed shell 61 can be fixedly connected to facilitate the replacement of the fixed arm 62 and/or the annular fixed shell 61, or the fixed arm 62 and the annular fixed shell 61 can also be integrated to facilitate direct The fixed arm 62 and the annular fixed shell 61 are integrally formed and manufactured. This adjustment and change of the specific connection mode of the fixed arm 62 and the annular fixed shell 61 does not deviate from the principle and scope of the present invention, and should be limited to the protection of the present invention. Within range.

Preferably, as shown in FIG. 1, the cabinet 1 of the clothes dryer of the present invention is provided with a mounting seat 11, and the driving device is provided on the mounting seat 11. Wherein, the mounting base 11 includes a first fixing groove 111 and a second fixing groove 112, a first fixing ring 43 is provided on the first motor 4, a second fixing ring 53 is provided on the second motor 5, and the first fixing ring 43 and The first fixing groove 111 is matched, and the second fixing ring 53 is matched with the second fixing groove 112. That is, when installing the driving device, it is only necessary to lock the first fixing ring 43 in the first fixing groove 111 and the second fixing ring 53 to the second fixing groove 112. Specifically, as shown in FIG. 2, a connecting shaft 44 is provided on the first motor 4, the first fixed ring 43 is rotatably connected with the connecting shaft 44, and a first bearing is installed between the first fixed ring 43 and the connecting shaft 44. (Not shown in the figure), the second fixed ring 53 is rotatably connected with the drive shaft 52 of the second motor 5, and a second bearing (not shown in the figure) is arranged between the second fixed ring 53 and the drive shaft 52.

So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

A driving device for a clothes dryer, the clothes dryer including a drying drum and a fan, characterized in that the driving device includes a first motor, a second motor and a fixing member, one end of the fixing member and the The first motor is connected, the other end of the fixing member is connected to the second motor, the output end of the first motor is connected to the drying drum, and the output end of the second motor is connected to the fan.
The driving device according to claim 1, wherein the driving device further comprises a deceleration mechanism, one end of the deceleration mechanism is connected to the output end of the first motor, and the other end of the deceleration mechanism is connected to the output end of the first motor. Drying drum connection.
The driving device according to claim 2, wherein the speed reduction mechanism comprises a fixed shaft, a first transmission wheel, a second transmission wheel, a first transmission belt and a second transmission belt, and the fixed shaft is connected to the fixed member , The first transmission wheel and the second transmission wheel are connected and both are rotatably connected with the fixed shaft, the diameter of the first transmission wheel is larger than the diameter of the second transmission wheel, and the first transmission wheel passes The first transmission belt is connected with the output end of the first motor, and the second transmission wheel is connected with the drying drum through a second transmission belt.
The driving device according to claim 3, wherein the first transmission wheel and the second transmission wheel are fixedly connected or integrally provided.
The driving device according to claim 3, wherein a non-slip structure is provided between the second transmission wheel and the second transmission belt.
The driving device according to claim 5, wherein the anti-slip structure comprises an anti-slip groove formed on the second transmission wheel and an anti-slip protrusion formed on the second transmission belt, the anti-slip concave The groove is matched with the anti-slip protrusion.
The driving device according to claim 3, wherein the fixing member comprises a ring-shaped fixed shell, a part of the first motor is embedded into one end of the ring-shaped fixed shell, and a part of the second motor is embedded To the other end of the annular fixed shell.
The driving device according to claim 7, wherein the fixed member further comprises a fixed arm, one end of the fixed arm is connected to the annular fixed shell, and the other end of the fixed arm is connected to the fixed shaft .
The driving device according to any one of claims 1 to 8, wherein the first motor and the second motor are both external rotor motors.
A clothes dryer, characterized in that the clothes dryer comprises the driving device according to any one of claims 1 to 9.