Driving assembly and clothes dryer

Abstract

The utility model provides a driving assembly and a clothes dryer, the driving assembly comprises a first motor and a second motor, the first motor and the second motor are coaxially arranged, the first motor drives a cylinder body, the second motor drives a fan assembly, the first motor is an inner rotor motor, the second motor is an outer rotor motor, and the fan assembly is arranged in the cylinder body. A support is arranged between the first motor and the second motor and controlled in the direction away from the fan, and a belt pulley assembly is arranged at the other end of the support and connected with the barrel and the second motor. The two motors are coaxially connected to respectively and independently drive the fan and the barrel body, so that the rotating speeds of the barrel body and the fan can be respectively controlled, and a plurality of selection programs can be conveniently set. Compared with split arrangement of double motors in the prior art, due to the arrangement of the support, the driving assembly can be formed on the side face or the lower portion of the barrel, the occupied space in the front-back direction is small, and the clothes dryer is suitable for ultra-thin or small clothes dryers.

Description

TECHNICAL FIELD

[0001] The utility model relates to clothes processing equipment field, specifically, relate to a drive assembly and clothes dryer. BACKGROUND

[0002] Clothes dryer is the clean class household appliance that utilizes hot air to make the moisture in the washed clothes instant evaporation and dry. The clothes dryer includes condensing clothes dryer and heat pump clothes dryer, wherein the heat pump clothes dryer is widely used due to good drying effect, internal circulation, low power consumption and other characteristics. The heat pump clothes dryer generally adopts two motors, wherein one motor drives the cylinder to rotate, and the other motor drives the impeller to rotate, the two motors are separately arranged and occupy a large space, which leads to a large size of the entire clothes processing equipment, occupies a large indoor space, and both of the two motors need support and fixing structure, which leads to a complex internal structure of the clothes processing equipment, and is not conducive to the use of ultra-thin or small clothes processing equipment. SUMMARY

[0003] Therefore, the utility model aims at providing a drive assembly and clothes dryer to solve the problem of large space occupation of double motors in the prior art clothes dryer, which is not suitable for ultra-thin clothes dryer.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] A drive assembly comprises a first motor and a second motor, the first motor and the second motor are coaxially arranged, the first motor drives a cylinder, the second motor drives a fan, the first motor is arranged as an inner rotor motor, the second motor is arranged as an outer rotor motor, a support is arranged between the first motor and the second motor, the support extends away from the fan, the other end of the support is provided with a pulley assembly, and the pulley assembly is connected with the cylinder and the second motor. Thus, the two motors are coaxially connected, space is saved, the fan assembly and the cylinder can be driven separately, and forward rotation and reverse rotation of the cylinder can be realized. Moreover, the drive assembly can be formed on the side or lower part of the cylinder due to the arrangement of the support, which occupies a small space in the front-back direction and is suitable for ultra-thin or small clothes dryer.

[0006] Further, the drive shaft of the first motor is connected with the fan, drives the drying hot air to circulate in the cylinder, and the other end of the drive shaft penetrates the center of the second motor to support the second motor. The fan and the cylinder are driven independently, the rotation speed of the cylinder and the fan can be controlled respectively, and various selection programs can be set.

[0007] Further, the inner rotor of the first motor is connected with the drive shaft, and the drive shaft is connected with the fan.

[0008] Further, the outer rotor of the second motor is connected with the cylinder to drive the cylinder to rotate.

[0009] Further, a rotating bearing is arranged at the position where the driving shaft is connected with the second motor, and the driving shaft is separated from the outer rotor of the second motor through the rotating bearing.

[0010] Further, a driving sleeve is arranged on the side away from the first motor of the second motor, the driving sleeve is connected with the outer rotor of the second motor, and the driving sleeve is connected with the cylinder through a belt pulley assembly to realize the driving of the cylinder by the second motor.

[0011] Further, a first belt is connected on the driving sleeve, the other end of the first belt is connected with a first belt pulley, a second belt pulley is arranged on the side of the first belt pulley, and the second belt pulley is connected with the cylinder.

[0012] Further, the other end of the bracket is provided with the first belt pulley.

[0013] Further, a connecting sleeve is arranged between the first motor and the second motor, the connecting sleeve is sleeved on the driving shaft and does not rotate with the driving shaft, and the circumferential outer side of the connecting sleeve is connected with the bracket.

[0014] Compared with the prior art, the driving assembly has the following advantages:

[0015] The two motors are coaxially connected and independently drive the fan and the cylinder, the speed control of the cylinder and the fan can be realized, and various selection programs can be set.

[0016] The driving assembly of the utility model sets two motors together, the total volume is reduced, and the driving assembly can be formed on the side or lower part of the cylinder due to the arrangement of the bracket, the space occupied in the front-rear direction is small, and the driving assembly is suitable for ultra-thin or small clothes dryers.

[0017] The clothes dryer has the same advantages as the driving assembly relative to the prior art, and details are not repeated here. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The clothes dryer structure schematic view is provided in the utility model embodiment;

[0019] Figure 2The clothes dryer is another view of the embodiment of the utility model.

[0020] Figure 3 The driving assembly is a schematic view of the embodiment of the utility model.

[0021] Figure 4 The driving assembly is a top view of the embodiment of the utility model.

[0022] Figure 5 For Figure 4 The middle A-A sectional view.

[0023] Mark explanation:

[0024] 1-driving assembly, 11-first motor, 111-inner rotor, 112-driving shaft, 12-second motor, 121-outer rotor, 122-driving sleeve, 13-first belt pulley, 14-bracket, 15-connection sleeve, 16-first belt, 17-second belt pulley, 18-damping piece, 2-cylinder, 3-compressor, 4-housing, 5-second belt, 6-fan, 7-front panel Specific implementation

[0025] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model are described in detail below in combination with the drawings. In addition, the following specific embodiments are briefly described: in the embodiments, the directions or position relationships indicated by "front", "back", "up", "down", "left", "right", "top end" and "bottom end" are the directions or position relationships shown in the drawings, and the term "on" means that the elements are directly supported or indirectly supported.

[0026] It should be noted that, in the description of the utility model, except for explicit provisions and limitations, the terms "mounting", "connecting" and "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection or can communicate with each other, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0027] For example, Figures 1-5As shown, a driving assembly comprises a first motor 11 and a second motor 12, the first motor 11 and the second motor 12 are coaxially arranged, the first motor 11 drives a fan assembly, and the second motor 12 drives a cylinder 2, wherein the first motor 11 is arranged as an inner rotor motor, the second motor 12 is arranged as an outer rotor motor, a driving shaft 112 of the first motor 11 penetrates through the center of the second motor 12, thereby coaxially connecting the two motors, saving space, suitable for ultra-thin or small clothes dryers, and capable of realizing separate driving of the fan assembly and the cylinder, facilitating forward rotation and reverse rotation of the cylinder.

[0028] Specifically, an inner rotor 111 is arranged in the first motor 11, the inner rotor 111 is connected with the driving shaft 112, and the driving shaft 112 is connected with a fan 6. Since the first motor 11 is an inner rotor motor, the inner rotor 111 rotates to drive the driving shaft 112 to rotate, and then drives the fan 6 to rotate, thereby driving the drying hot air to circulate in the cylinder 2. The other end of the driving shaft 112 penetrates through the second motor 12 for supporting the second motor 12. An outer rotor 121 of the second motor 12 is connected with the cylinder 2 to drive the cylinder 2 to rotate. Thus, the fan and the cylinder are driven independently, the rotation speed of the fan and the cylinder can be controlled respectively, and various selection programs can be set, for example, the rotation direction of the cylinder can be controlled by controlling the rotation speed and the rotation direction of the second motor, so that the clothes in the cylinder can be prevented from being knotted. Compared with the double-motor driving in the prior art, the driving assembly of the utility model sets the two motors together, the overall volume is reduced, and the traditional motor can be replaced conveniently.

[0029] Further, a rotating bearing is arranged at the position where the driving shaft 112 is connected with the second motor 12, the rotating bearing separates the driving shaft 112 from the outer rotor 121 of the second motor 12, and the outer rotor 121 and the driving shaft 112 are driven separately.

[0030] In the embodiment, a driving sleeve 122 is arranged on the side of the second motor 12 away from the first motor 11, the driving sleeve 122 is fixedly connected with the outer rotor 121 of the second motor, and the driving sleeve 122 is connected with the cylinder 2 through a belt pulley assembly, thereby realizing the driving of the cylinder 2 by the second motor 12.

[0031] Specifically, a first belt 16 is connected with the driving sleeve 122, the other end of the first belt 16 is connected with a first belt pulley 13, a second belt pulley 17 is arranged on one side of the first belt pulley 13, and the second belt pulley 17 is connected with the cylinder 2. Thus, when the outer rotor 121 rotates, the first belt pulley 13 is driven to rotate through the first belt 16, and then the cylinder 2 is driven to rotate through the first belt pulley 13. When it is needed to control the reverse rotation of the cylinder, the outer rotor 121 of the motor is controlled to rotate reversely, and the reverse rotation of the cylinder can be realized.

[0032] Further, the second pulley 17 is integrally arranged with the first pulley 13, and the outer diameter of the second pulley 17 is smaller than that of the first pulley 13, so that the first pulley 13 drives the second pulley 17 to rotate, and meanwhile, the first belt 16 does not interfere with the belt connected to the second pulley 17.

[0033] Further, the second pulley 17 is integrally arranged with the first pulley 13, and the outer diameter of the second pulley 17 is smaller than that of the first pulley 13, so that the first pulley 13 drives the second pulley 17 to rotate, and meanwhile, the first belt 16 does not interfere with the belt connected to the second pulley 17.

[0034] As part of the embodiment of the utility model, the support 14 is connected between the first motor 11 and the second motor 12, the support 14 extends away from the fan 6, and the other end of the support 14 is connected to the first pulley 13, thereby supporting and fixing the pulley, and other support frames are not needed in the box, so that the internal structure is simple.

[0035] Further, the connecting sleeve 15 is arranged between the first motor 11 and the second motor 12, the connecting sleeve 15 is sleeved on the drive shaft 112 and does not rotate with the drive shaft 112, the circumferential outer side of the connecting sleeve 15 is connected to the end of the support 14 away from the first pulley 13, the support 14 forms an inclined structure, and the inclined arrangement of the support 14 ensures that the first pulley 13 and the connecting sleeve 15 are in the same plane in the radial direction, thereby ensuring normal driving of the first pulley 13 and avoiding interference between the first pulley 13 and other components.

[0036] In the embodiment, the drive assembly 1 further comprises the damping member 18, the damping member 18 is sleeved on the drive shaft 112 and plays a damping role to reduce vibration noise generated during operation of the motor.

[0037] As part of the embodiment of the utility model, a clothes dryer is also provided, which comprises the above-mentioned drive assembly, a shell 4 and a heat pump system, the cylinder 2 is located inside the shell 4, the heat pump system is arranged at the lower part of the cylinder 2, the drive assembly 1 is arranged near the heat pump system, the fan driven by the drive assembly 1 is communicated with the air duct of the heat pump system and is used for guiding hot air to rotate in the cylinder 2.

[0038] The compressor 3 of the heat pump system is arranged at one end close to the front panel 7, the fan 6 is located at one end close to the rear side of the shell 4, and the drive assembly 1 is arranged between the compressor 3 and the fan 6, thereby saving space.

[0039] Specifically, the first motor 11 is located at one end close to the rear side of the shell 4, the first motor 11 is connected with the fan 6, the second motor 12 is located at one end close to the compressor 3, and the second motor 12 is connected with the cylinder body 2.

[0040] Although the utility model discloses as above, the utility model is not limited to this. Any person skilled in the art, without departing from the spirit and scope of the utility model, can make various changes and modifications, therefore the protection scope of the utility model should be limited to the range defined by the claims.

Claims

1. A drive assembly comprising a first motor (11) and a second motor (12), the first motor (11) and the second motor (12) being arranged coaxially, the first motor (11) driving a cylinder (2), the second motor (12) driving a fan (6), characterized in that, The first motor (11) is arranged as an inner rotor motor, the second motor (12) is arranged as an outer rotor motor, a support (14) is arranged between the first motor (11) and the second motor (12), the support (14) extends away from the fan, and a belt pulley assembly is arranged at the other end of the support (14), the belt pulley assembly is connected with the cylinder (2) and the second motor (12).

2. The drive assembly of claim 1, wherein, The driving shaft (112) of the first motor (11) is connected with the fan (6), and drives the dry hot air to circulate in the cylinder (2), and the other end of the driving shaft (112) penetrates the center of the second motor (12) to support the second motor (12).

3. The drive assembly of claim 2, wherein, The inner rotor (111) of the first motor (11) is connected with the driving shaft (112), and the driving shaft (112) is connected with the fan (6).

4. The drive assembly of claim 1, wherein, The outer rotor (121) of the second motor (12) is connected with the cylinder (2) to drive the cylinder (2) to rotate.

5. The drive assembly of claim 2, wherein, A rotating bearing is arranged at the position where the driving shaft (112) is connected with the second motor (12), and the driving shaft (112) is separated from the outer rotor (121) of the second motor (12) through the rotating bearing.

6. The drive assembly of claim 1, wherein, A driving sleeve (122) is arranged on the side of the second motor (12) away from the first motor (11), the driving sleeve (122) is connected with the outer rotor (121) of the second motor (12), and the driving sleeve (122) is connected with the cylinder (2) through the belt pulley assembly to realize the driving of the cylinder (2) by the second motor (12).

7. The drive assembly of claim 6, wherein, A first belt (16) is connected to the driving sleeve (122), and the other end of the first belt (16) is connected with a first belt pulley (13), a second belt pulley (17) is arranged on one side of the first belt pulley (13), and the second belt pulley (17) is connected with the cylinder (2).

8. The drive assembly of claim 1, wherein, A first belt pulley (13) is arranged at the other end of the support (14).

9. The drive assembly of claim 2, wherein, A connecting sleeve (15) is arranged between the first motor (11) and the second motor (12), the connecting sleeve (15) is sleeved on the driving shaft (112) and does not rotate with the driving shaft (112), and the circumferential outer side of the connecting sleeve (15) is connected with the support (14).

10. A clothes dryer characterized by comprising: The driving assembly comprises the shell (4) and the heat pump system, the cylinder (2) is located in the shell (4), the heat pump system is arranged at the lower part of the cylinder (2), the driving assembly is arranged near the heat pump system, and the fan (6) is in communication with the air duct of the heat pump system.

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