WO2012155324A1

WO2012155324A1 - Driving device with electrical energy

Info

Publication number: WO2012155324A1
Application number: PCT/CN2011/074061
Authority: WO
Inventors: 汤智文
Original assignee: 深圳市奥科伟业科技发展有限公司
Priority date: 2011-05-13
Filing date: 2011-05-13
Publication date: 2012-11-22

Abstract

A driving device with electrical energy comprises a subset (1) provided with at least one motor (101), an output shaft (3), at least one elastic non-rotatable coupling means (2) and a non-rotatable tube (8). The subset (1) is mounted in the non-rotatable tube (8). A rotatable end of the subset (1) is rigidly coupled to the output shaft (3). The output shaft (3) is coupled to the non-rotatable tube (8) through a flexible bearing subassembly (204). A fixed end of the subset (1) is fixed in the non-rotatable tube (8) through the elastic coupling means (2). In the driving device with electrical energy, the noise of the motor (101) is reduced by means of elastic extenation of the elastic coupling means (2), so that the excellent noisedamping effect is realized.

Description

Electric energy driving device

Technical field

The utility model relates to the field of mechanical and electrical, and more particularly to an electric power driving device which can be used for driving a roller blind, a blind, a screen, an awning, a canopy, a rolling door, a sunroof cover and a projector screen.

Background technique

At present, the electric power drive device includes at least a rotor, a stator, and the like, and another type of device includes a deceleration device and a control device. The output side of the rotor is connected to an elastic or flexible coupling, and all components are sealed in a tubular casing. The electric drive will emit some noise during operation, and most of the noise is due to motor vibration. In the prior art, in order to eliminate noise, three main measures are taken: one is to improve the manufacturing precision of the electric power driving device, and the defect is to increase the production cost; the second is to install a flexible or elastic coupling at the output end of the electric power driving device. The vibration of the motor is still not transmitted to the non-rotating tube of the motor through the tail of the motor. The third is to install the elastic connecting device at both ends of the electric power driving device, but the output torque will be lost due to the energy consumption of the elastic material. , double the effective torque output of the motor.

Summary of the invention

The technical problem to be solved by the utility model is that, in view of the defects in the prior art that the electric power driving device has high processing cost and the noise elimination effect is not obvious, an electric energy driving device is provided, which can solve the above problems well.

The technical solution adopted by the utility model to solve the technical problem thereof is: constructing an electric energy driving device, comprising:

a sub-assembly comprising at least one motor;

Output shaft;

At least one non-rotating elastic joint device;

Non-rotating tube;

The sub-assembly is built in the non-rotating tube, the output end of the sub-device is rigidly connected to the output shaft, and the output shaft is connected to the non-rotating tube through a flexible bearing assembly, and the fixed top end of the sub-device It is fixed in the non-rotating tube by the elastic joint device.

The utility model relates to an electric power driving device. Preferably, the elastic joint device comprises at least one elastic member and a fixing seat; the fixing seat is fixedly disposed in the non-rotating tube, and one end of the elastic member is fixed at the The other end is fixed to the motor.

The utility model relates to an electric energy driving device. Preferably, the elastic member is at least one spring.

The utility model relates to an electric energy driving device. Preferably, the elastic member is a layer of viscoelastic material.

The utility model relates to an electric energy driving device. Preferably, the elastic member is a magnetic material layer.

The utility model relates to an electric energy driving device. Preferably, the elastic joint device is a grooved pipe.

The utility model relates to an electric energy driving device. Preferably, the flexible bearing assembly comprises a bearing, at least one side of the bearing is provided with a flexible bearing sleeve, and the flexible bearing sleeve is fixed on the non-rotating tube through a rigid bearing seat. .

The utility model relates to an electric energy driving device. Preferably, the sub-device further comprises at least one speed reducer.

The utility model relates to an electric energy driving device. Preferably, a motor shaft of the motor is disposed through and protrudes from the speed reducer, and the motor shaft is rigidly connected with the output shaft.

The utility model relates to an electric energy driving device. Preferably, the motor shaft of the electric motor and the shaft of the speed reducer are connected by a flexible connector.

In the electric power driving device of the present invention, preferably, the outer peripheral surface and/or the inner peripheral surface of the non-rotating tube is provided with a sound absorbing material layer.

The utility model relates to an electric energy driving device. Preferably, the outer surface of the sub-device is provided with a sound-damping material layer.

The utility model relates to an electric energy driving device. Preferably, at least one flexible supporting ring is fixedly disposed between the sub-device and an inner circumferential surface of the non-rotating tube.

The utility model can achieve the following beneficial effects: the non-rotating tube is fixed in the non-rotating tube by providing a non-rotating elastic joint device, and the elastic attenuation of the elastic joint device and the flexible bearing assembly is used to reduce the noise of the motor and achieve better sound-absorbing effect. .

DRAWINGS

The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:

1 is a schematic structural view of Embodiment 1 of an electric energy driving device of the present invention;

2 is a schematic structural view of a second embodiment of the electric power driving device of the present invention;

3 is a schematic exploded view of a flexible bearing assembly of the electric power drive device of the present invention.

Description of the reference numerals:

1, child device

101, motor

102, reducer

103, flexible connector

2, elastic joint device

21, fixed seat

22, spring

3, the output shaft

4, bearing

5, flexible support ring

6, flexible support ring

7, flexible sleeve

8, non-rotating tube

9. Silencing material layer

91. Silencing material layer

92. Silencing material layer

10. Silencing material layer

11, flexible support ring

12, rigid support ring

201, flexible bearing sleeve

202, rigid bearing

204, flexible bearing assembly

detailed description

For a better understanding of the technical features, objects and effects of the present invention, the specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Embodiment 1

Figure 1 Shown as an embodiment of the present invention, an electric power driving device can be used for driving a roller blind member. The roller blind member can be a roller blind, a blind, a screen, an awning, a canopy, a rolling door, a sunroof cover, and a projection. Instrument screen, etc. The electric power driving device includes: a sub device including at least one motor 1. Output shaft 3, at least one non-rotating elastic joint device 2, and non-rotating tube 8 . The sub-device 1 is built in the non-rotating tube 8, and the output of the sub-device 1 is rigidly connected to the output shaft 3, the sub-device 1 The fixed end is fixed in the non-rotating tube 8 by the elastic joint device 2. Understandably, the output shaft 3 The roller shutter member can be driven directly or by other power units. The output shaft is coupled to the non-rotating tube 8 by a flexible bearing assembly, specifically, as shown in Figure 1, the flexible bearing assembly 204 includes a bearing 4 , a flexible bearing sleeve 201 , and a rigid bearing housing 202 . The output shaft 3 is connected to the flexible bearing sleeve 201 through the bearing 4, and the flexible bearing sleeve 201 is passed through the set rigid bearing housing 202 Fixed on non-rotating tube 8

On the basis of the above technical solution, as shown in FIG. 1, the elastic joint device 2 includes at least one elastic member and a fixing seat 21 . The fixing base 21 is fixedly disposed in the non-rotating tube 8, and one end of the elastic member is fixed to the fixing base 21, and the other end is fixed to the motor. The elastic joint device 2 The elastic attenuation reduces the noise of the motor and achieves better noise cancellation.

Preferably, as shown in FIG. 1, the elastic member is at least one spring 22, and the spring 22 may be a coil spring, a tension spring, a compression spring, a torsion spring, or a bending spring; the shape of the spring may be a dish, a ring, a plate, a spiral, or a conical scroll; the spring 22 The number is not limited to one and can be two or more.

Preferably, the elastic member may be a layer of an elastic material, preferably a rubber material, which is elasticized by the elasticity of the material.

Preferably, the elastic member may be a magnetic material layer which is elasticized by the magnetic field of the magnetic material.

On the basis of the above technical solution, preferably, the elastic joint device is a grooved tube through which the motor is fixed in the non-rotating tube 8.

It can be understood that, in order to reduce the vibration of the motor, preferably, the sub-device 1 further includes at least one reducer, specifically, the motor 101. The motor shaft is threaded through and extends out of the reducer, and the motor shaft is rigidly connected to the output shaft 3.

Preferably, in order to reduce noise, as shown in Fig. 1, the outer peripheral surface of the non-rotating tube 8 and/or the inner peripheral surface are provided with a silencing material layer 10 .

More preferably, as shown in Fig. 1, the outer surface of the sub-device 1 is provided with a sound-damping material layer 9.

Further, in order to reduce noise, as shown in FIG. 1, two flexible support rings are fixedly disposed between the sub-device 1 and the inner peripheral surface of the non-rotating tube 8. 5, 6 . It can be understood that the number of flexible support rings is not limited to two, and may be two or more or one.

Embodiment 2

As shown in FIG. 2, another embodiment of the present invention provides an electric energy driving device including: a sub-device including at least one motor 101 1. An output shaft, at least one non-rotating elastic joint device, and a non-rotating tube 8 . The sub-device 1 is built in the non-rotating tube 8, and the sub-device 1 is rigidly connected to the output shaft, and the sub-device 1 It is fixed in the non-rotating tube 8 by an elastic joint device. In order to reduce vibration, the sub-assembly 1 further includes at least one speed reducer 102. Motor shaft of motor 101, and reducer 102 The shafts are connected by a flexible connector 103.

Further, the elastic joint device includes at least one spring and a fixing seat; the fixing seat is fixedly disposed on the non-rotating tube 8 Inside, one end of the spring is fixed to the fixing seat, and the other end is fixed to the motor 101.

On the basis of the above technical solution, preferably, as shown in Fig. 2, the output shaft is fixed to the non-rotating tube 8 through the bearing 4. Bearing 4 One side is provided with a flexible sleeve 7, and the flexible sleeve 7 is fixed to the output shaft. A sound absorbing material layer 10 is provided on the outer circumferential surface and/or the inner circumferential surface of the non-rotating tube 8.

Preferably, as shown in FIG. 2, the outer surface of the motor 101 is provided with a sound absorbing material layer 91, and the speed reducer 102 The outer surface is provided with a layer of sound absorbing material 92.

Further, as shown in FIG. 2, a flexible support ring 11 is provided between the motor 101 and the inner wall of the non-rotating tube 8, and the speed reducer 102 A rigid support ring 12 is disposed between the inner wall of the non-rotating tube 8.

The embodiments of the present invention have been described above with reference to the drawings, but the present invention is not limited to the specific embodiments described above, and the specific embodiments described above are merely illustrative and not restrictive. In the light of the scope of the present invention, many forms may be made without departing from the scope of the present invention, and these are all within the protection of the present invention.

Claims

What is claimed is: 1. An electric power driving device, comprising:

a sub-device (1) comprising at least one motor (101);

Output shaft (3);

At least one non-rotating elastic joint device (2);

Non-rotating tube (8);

The sub-device (1) is built in the non-rotating tube (8), and the rotating end of the sub-device (1) is rigidly connected to the output shaft (3) The output shaft is coupled to the non-rotating tube (8) via a flexible bearing assembly (204), and the fixed end of the sub-device (1) is fixed to the non-rotating tube by the elastic joint device (2) ( 8 )Inside.

2. The electric power driving device according to claim 1, wherein the elastic joint device (2) comprises at least one elastic member and a fixing seat (21) The fixing seat (21) is fixedly disposed in the non-rotating tube (8), one end of the elastic member is fixed on the fixing seat (21), and the other end is fixed to the motor (101) ).

3. The electric power driving device according to claim 2, wherein the elastic member is at least one spring (22).

4. An electric power drive apparatus according to claim 2, wherein said elastic member is a layer of viscoelastic material.

The electric energy driving device according to claim 2, wherein the elastic member is a magnetic material layer.

6. The electric power drive apparatus according to claim 1, wherein the elastic joint device is a grooved tube.

7. The electric power drive apparatus according to claim 1, wherein said flexible bearing assembly (204) comprises a bearing (4), said bearing (4) At least one side is provided with a flexible bearing sleeve (201), which is fixed to the non-rotating tube (8) by a rigid bearing housing (202).

8. The electric energy driving device according to claim 1, wherein said sub-device (1) further comprises at least one speed reducer (102) ).

The electric power driving device according to claim 1, wherein a motor shaft of the motor (101) is passed through and protrudes from the speed reducer (102). And the motor shaft is rigidly connected to the output shaft (3).

10. The electric energy driving device according to claim 1, wherein a motor shaft of the motor (101) and the speed reducer (102) The shafts are connected by a flexible connector (103).

The electric power driving device according to claim 1, wherein an outer peripheral surface of the non-rotating pipe (8), and Or a layer of silencing material is disposed on the inner peripheral surface.

12. The electric energy driving device according to claim 1, wherein said sub-device (1 The outer surface of the ) is provided with a layer of sound absorbing material.

13. The electric energy driving device according to claim 1, wherein said sub-device (1) and said non-rotating tube (8) At least one flexible support ring is fixedly disposed between the inner peripheral faces.