Electric rocking sofa

Abstract

An electric swing sofa relates to the field of furniture, comprising a sofa frame and two swing support rods, the bottom surfaces of the two swing support rods are concave arc surfaces, the sofa frame is located above the two swing support rods, a mounting seat is fixed between the two swing support rods, the bottom of the sofa frame is hinged with the top of the mounting seat, the bottom of the sofa frame is provided with a concave transmission rod, and the mounting seat is provided with a driving mechanism that is connected to the transmission rod and drives the sofa frame to swing back and forth. The utility model does not need to adopt a swing arm structure to realize the swing of the sofa, and only needs to hinge the bottom of the sofa frame with the top of the mounting seat to realize the swing of the sofa frame. The structure is simpler and the installation is more convenient, thereby reducing the production cost of the sofa; when the driving mechanism is working, it drives the sofa frame to swing back and forth, and when the sofa frame swings back and forth, it can also drive the two swing support rods to swing back and forth at the same time, further increasing the swing amplitude.

Description

Technical Field

[0001] The utility model relates to the field of furniture, in particular to an electric rocking sofa. Background Art

[0002] Sofas have become essential furniture for many families. In the busy urban life, sofas bring people unlimited comfort and fashionable home enjoyment. Sitting on the sofa, you can let your thoughts fly and feel warm and comfortable. The patent with announcement number CN215126413U discloses a functional sofa base with smooth driving, which is characterized by comprising a base, a sofa extension seat, a linkage and a driving mechanism, wherein the driving mechanism is arranged on the base and is transmission-connected with the linkage, the sofa extension seat comprises a left extension device and a right extension device, the left extension device and the right extension device are symmetrically arranged on the base, the left extension device has two left swing arms, the right extension device has two right swing arms, a connecting rod is arranged between the corresponding left swing arms and the right swing arms, a bearing mounting member is arranged on the bottom surface of the middle part of the connecting rod, a transmission bearing hinged to the bearing mounting member is arranged inside the bearing mounting member, a transmission rod is arranged between the linkage and the transmission bearing, the top of the left swing arm is hinged to the left extension device, the bottom of the left swing arm is hinged to the base, the top of the right swing arm is hinged to the right extension device, and the bottom of the right swing arm is hinged to the base.

[0003] In the above-mentioned patent, the left extension device and the right extension device need to be provided with two left swing arms and two right swing arms respectively, the top of the left swing arm is hinged to the left extension device, the bottom of the left swing arm is hinged to the base, the top of the right swing arm is hinged to the right extension device, and the bottom of the right swing arm is hinged to the base. The functional sofa base of this structure is more complicated to realize swinging, and the installation is not simple enough, which makes the overall cost of the functional sofa base higher. Utility Model Content

[0004] The utility model provides an electric rocking sofa, the main purpose of which is to overcome the above problems existing in the prior art.

[0005] The utility model is implemented by the following technical solutions:

[0006] An electric rocking sofa comprises a sofa frame and two rocking support rods, wherein the bottom surfaces of the two rocking support rods are concave arc surfaces, the sofa frame is located above the two rocking support rods, a mounting seat is fixedly arranged between the two rocking support rods, the bottom of the sofa frame is hinged to the top of the mounting seat, a concave transmission rod is arranged at the bottom of the sofa frame, a driving mechanism which is connected to the transmission rod and drives the sofa frame to rock back and forth is arranged on the mounting seat, the sofa frame has two leg extension brackets arranged on the left and right and two backrest extension brackets arranged on the left and right, and the sofa frame is provided with an electric push rod which drives the two leg extension brackets and the two backrest extension brackets to extend and retract.

[0007] Furthermore, the bottom surface of the sofa frame is provided with two first connecting rods arranged front and back, two second connecting rods arranged left and right are provided between the two first connecting rods, a third connecting rod is provided between the middle parts of the two second connecting rods, the bottom of the third connecting rod is hinged to the top of the mounting seat, and the transmission rod is provided between the front parts of the two second connecting rods.

[0008] Furthermore, the top of the mounting seat is provided with two lower hinges arranged on the left and right, and the bottom of the third connecting rod is provided with two upper hinge ears arranged on the left and right. The two lower hinges are top-opening structures, each lower hinge corresponds to an upper hinge ear, and the upper hinge ear is hinged in the corresponding lower hinge.

[0009] Furthermore, each leg extension bracket corresponds to a backrest extension bracket, and a fourth connecting rod is hinged between the corresponding leg extension bracket and the backrest extension bracket. The electric push rod includes a first electric push rod that drives the two leg extension brackets and the two backrest extension brackets to extend and retract synchronously.

[0010] Furthermore, the electric push rod includes a second electric push rod for driving the two leg extension brackets to extend and retract, and a third electric push rod for driving the two backrest extension brackets to extend and retract.

[0011] Furthermore, the driving mechanism includes a first motor, a first eccentric shaft, a first swinging member, a first pulley and two first bearing seats, the first motor and the two first bearing seats are connected to the mounting seat, the two first bearing seats are arranged on the left and right, the two first bearing seats are each provided with a first bearing, the first swinging member is located between the two first bearing seats, the first eccentric shaft passes through the first bearings of the two first bearing seats and the first swinging member, the first pulley is connected to one end of the first eccentric shaft, the output shaft of the first motor is provided with a first belt tooth portion, a first belt is provided between the first belt tooth portion and the first pulley, and the first swinging member is vertically arranged and connected to the transmission rod.

[0012] Furthermore, the driving mechanism includes a second motor, a second eccentric shaft, a second swinging member, a second bearing seat and a gear mounting seat, the second motor, the second bearing seat and the gear mounting seat are connected to the mounting seat, the second bearing seat and the gear mounting seat are arranged left and right, a gear is provided in the gear mounting seat, the output shaft of the second motor is provided with a tooth portion, the output shaft of the second motor passes through the gear mounting seat and the tooth portion is engaged with the gear, a second bearing is provided in the second bearing seat, and two mounting bearings arranged left and right are provided in the gear mounting seat, the second swinging member is located between the second bearing seat and the gear mounting seat, the second eccentric shaft passes through the second bearing, the second swinging member, the two mounting bearings and is coaxial with the gear, and the second swinging member is vertically arranged and connected to the transmission rod.

[0013] Furthermore, the driving mechanism includes a third motor, a third eccentric shaft, a third swinging member, two third pulleys and two third bearing seats, the third motor and the two third bearing seats are connected to the mounting seat, the two third bearing seats are symmetrically arranged on the left and right, the two third bearing seats are each provided with a third bearing, the third eccentric shaft is passed through between the third bearings of the two third bearing seats, and the left and right ends of the third eccentric shaft respectively extend out of the corresponding third bearings, the third swinging member is located between the two third bearing seats, the third eccentric shaft passes through the third swinging member, the third motor has a first left output shaft and a first right output shaft that can rotate synchronously, the first left output shaft and the first right output shaft are both provided with a third belt tooth portion, the two third pulleys are respectively connected to the left and right ends of the third eccentric shaft, each third belt tooth portion corresponds to a third pulley, and a third belt is provided between the corresponding third belt tooth portion and the third pulley.

[0014] Furthermore, the driving mechanism includes a fourth motor, a fourth eccentric shaft, a fourth swinging member, a rotating shaft, a fourth pulley, a fifth pulley, a sixth pulley, two fourth bearing seats and two fifth bearing seats, the fourth motor, the two fourth bearing seats and the two fifth bearing seats are connected to the mounting seat, the two fourth bearing seats and the two fifth bearing seats are arranged front to back, the two fourth bearing seats are arranged left to right, the two fifth bearing seats are arranged left to right, the two fourth bearing seats are each provided with a fourth bearing, the fourth swinging member is located between the two fourth bearing seats, the fourth eccentric shaft passes through the fourth bearings and the fourth swinging member in the two fourth bearing seats, the fifth pulley is provided with a first one-way bearing, the left and right ends of the fourth eccentric shaft are respectively connected to the fourth pulley and the first one-way bearing, the two fifth bearing seats are provided with a fourth bearing A fifth bearing is provided, the rotating shaft is passed through the fifth bearings of the two fifth bearing seats, the right end of the rotating shaft passes through the corresponding fifth bearing and is connected to the sixth pulley, the fourth motor has a second left output shaft and a second right output shaft that can rotate synchronously, the second left output shaft is connected to a second one-way bearing, the outer periphery of the second one-way bearing is connected to a seventh pulley, a fourth belt is provided between the seventh pulley and the fourth pulley, the second right output shaft is provided with a fourth belt tooth portion, a fifth belt is provided between the fourth belt tooth portion and the sixth pulley, the right end of the rotating shaft is provided with a fifth belt tooth portion, a sixth belt is provided between the fifth belt tooth portion and the fifth pulley, the outer diameter of the fourth pulley is smaller than the outer diameter of the fifth pulley, and the first one-way bearing 51 and the second one-way bearing 55 are arranged in opposite directions.

[0015] From the above description of the utility model, it can be seen that compared with the prior art, the utility model has the following advantages: the utility model does not need to adopt a swing arm structure to realize the swinging of the sofa, and the swinging of the sofa frame can be realized by hingedly connecting the bottom of the sofa frame with the top of the mounting seat. The structure is simpler and the installation is more convenient, thereby reducing the production cost of the sofa; when the driving mechanism is working, it drives the sofa frame to swing back and forth, and when the sofa frame swings back and forth, it can also drive the two swing support rods to swing back and forth at the same time, further increasing the swing amplitude. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural diagram of the first embodiment of the present utility model.

[0017] Figure 2 for Figure 1 A diagram of the structure from another angle.

[0018] Figure 3 This is a first structural diagram of the driving mechanism of the utility model.

[0019] Figure 4 This is a second structural diagram of the driving mechanism of the utility model.

[0020] Figure 5 This is a third structural diagram of the driving mechanism of the utility model.

[0021] Figure 6 This is a fourth structural diagram of the driving mechanism of the utility model.

[0022] Figure 7 for Figure 6 A diagram of the structure from another angle.

[0023] Figure 8 This is a structural diagram of the second embodiment of the present utility model.

[0024] Fig. 9 This is a structural diagram of the utility model without a driving mechanism. DETAILED DESCRIPTION Embodiment 1

[0025] Reference Figure 1 and Figure 2 An electric swing sofa comprises a sofa frame 1 and two swing support rods 2, the bottom surfaces of the two swing support rods 2 are concave arc surfaces, the sofa frame 1 is located above the two swing support rods 2, a mounting seat 3 is fixedly arranged between the two swing support rods 1, and the bottom of the sofa frame 1 is hinged to the top of the mounting seat 3. A concave transmission rod 4 is arranged at the bottom of the sofa frame 1, and a driving mechanism 5 is provided on the mounting seat 3, which is connected to the transmission rod 4 and drives the sofa frame 1 to swing forward and backward. The sofa frame 1 has two leg extension brackets 11 arranged on the left and right and two backrest extension brackets 12 arranged on the left and right, and the sofa frame 1 is provided with an electric push rod for driving the two leg extension brackets 11 and the two backrest extension brackets 12 to extend and retract.

[0026] Reference Figure 1 and Figure 2 The bottom surface of the sofa frame 1 is provided with two first connecting rods 6 arranged front and back, two second connecting rods 7 arranged left and right are provided between the two first connecting rods 6, a third connecting rod 8 is provided between the middle parts of the two second connecting rods 7, the bottom of the third connecting rod 8 is hinged to the top of the mounting seat 3, and the transmission rod 4 is provided between the front parts of the two second connecting rods 7. Two lower hinges 9 arranged left and right are provided on the top of the mounting seat 3, and two upper hinge ears 10 arranged left and right are provided at the bottom of the third connecting rod 8. The two lower hinges 9 are top-opening structures, each lower hinge 9 corresponds to an upper hinge ear 10, and the upper hinge ear 10 is hinged in the corresponding lower hinge 9.

[0027] Reference Figure 1 and Figure 2Each leg extension bracket 11 corresponds to a backrest extension bracket 12, and a fourth connecting rod 13 is hinged between the corresponding leg extension bracket 11 and the backrest extension bracket 12. The electric push rod includes a first electric push rod 14 that drives the two leg extension brackets 11 and the two backrest extension brackets 12 to extend and retract synchronously. The connection relationship between the first electric push rod 14 and the two leg extension brackets 11 and the two backrest extension brackets 12 arranged on the left and right is the existing technology, and its specific structure is not repeated here. The first electric push rod 14 drives the two leg extension brackets 11 and the two backrest extension brackets 12 arranged on the left and right to extend and retract simultaneously.

[0028] The driving mechanism 5 can be in the following four situations:

[0029] 1. Reference Figure 1 and Figure 3 The driving mechanism 5 includes a first motor 15, a first eccentric shaft 16, a first swinging member 17, a first pulley 18 and two first bearing seats 19. The first motor 15 and the two first bearing seats 19 are connected to the mounting seat 3. The two first bearing seats 19 are arranged on the left and right, and the two first bearing seats 19 are each provided with a first bearing 20. The first swinging member 17 is located between the two first bearing seats 19. The first eccentric shaft 16 passes through the first bearings 20 of the two first bearing seats 19 and the first swinging member 17. The first pulley 18 is connected to one end of the first eccentric shaft 16. The output shaft of the first motor 15 is provided with a first belt tooth portion 151. A first belt 21 is provided between the first belt tooth portion 151 and the first pulley 18. The first swinging member 17 is vertically arranged and connected to the transmission rod 4. The first motor 15 drives the first pulley 18 and the first eccentric shaft 16 to rotate through the first belt 21, and the rotation of the first eccentric shaft 16 drives the first swinging member 17 to swing, and the first swinging member 17 drives the sofa frame 1 to swing back and forth through the transmission rod 4. At the same time, since the bottom surfaces of the two swing support rods 2 are concave arc surfaces, the sofa frame 1 can also drive the two swing support rods 2 to swing back and forth at the same time when swinging back and forth, further increasing the swing amplitude.

[0030] 2. Reference Figure 1 and Figure 4The driving mechanism 5 includes a second motor 22, a second eccentric shaft 23, a second swinging member 24, a second bearing seat 25 and a gear mounting seat 26, and the second motor 22, the second bearing seat 25 and the gear mounting seat 26 are connected to the mounting seat 3. The second bearing seat 25 and the gear mounting seat 26 are arranged left and right, and a gear 27 is arranged in the gear mounting seat 26. The output shaft of the second motor 22 is provided with a tooth portion 28, and the output shaft of the second motor 22 passes through the gear mounting seat 26 and the tooth portion 28 is meshed with the gear 27. The second bearing seat 25 is provided with a second bearing 29, and the gear mounting seat 26 is provided with two mounting bearings 30 arranged left and right. The second swinging member 24 is located between the second bearing seat 25 and the gear mounting seat 26. The second eccentric shaft 23 passes through the second bearing 29, the second swinging member 24, and the two mounting bearings 30 and is coaxial with the gear 27. The second swinging member 24 is vertically arranged and connected to the transmission rod 4. The second motor 22 drives the gear 27 to rotate through the tooth portion 28, and the gear 27 drives the second eccentric shaft 23 to rotate. The rotation of the second eccentric shaft 23 drives the second swinging member 24 to swing, and the second swinging member 24 drives the sofa frame 1 to swing back and forth through the transmission rod 4.

[0031] 3. Reference Figure 1 and Figure 5 The driving mechanism 5 includes a third motor 31, a third eccentric shaft 32, a third swinging member 33, two third pulleys 34 and two third bearing seats 35. The third motor 31 and the two third bearing seats 35 are connected to the mounting seat 3. The two third bearing seats 35 are arranged symmetrically, and the two third bearing seats 35 are each provided with a third bearing 36. The third eccentric shaft 32 is inserted between the third bearings 36 of the two third bearing seats 35, and the left and right ends of the third eccentric shaft 32 extend out of the corresponding third bearings 36 respectively. The third swinging member 33 is located between the two third bearing seats 35, and the third eccentric shaft 32 passes through the third swinging member 33. The third motor 31 has a first left output shaft 37 and a first right output shaft 38 that can rotate synchronously, and the first left output shaft 37 and the first right output shaft 38 are both provided with a third belt tooth portion 39, and the two third pulleys 34 are respectively connected to the left and right ends of the third eccentric shaft 32, and each third belt tooth portion 39 corresponds to a third pulley 34, and a third belt 40 is provided between the corresponding third belt tooth portion 39 and the third pulley 34. The first left output shaft 37 and the first right output shaft 38 of the third motor 31 respectively drive the two third pulleys 34 and the third eccentric shaft 32 to rotate, and the rotation of the third eccentric shaft 32 drives the third swinging member 33 to swing, and the third swinging member 33 then drives the sofa frame 1 to swing back and forth through the transmission rod 4.

[0032] 4. Reference Figure 1 , Figure 6 and Figure 7The driving mechanism 5 includes a fourth motor 41, a fourth eccentric shaft 42, a fourth swinging member 43, a rotating shaft 44, a fourth pulley 45, a fifth pulley 46, a sixth pulley 47, two fourth bearing seats 48 and two fifth bearing seats 49. The fourth motor 41, the two fourth bearing seats 48 and the two fifth bearing seats 49 are connected to the mounting seat 3. The two fourth bearing seats 48 and the two fifth bearing seats 49 are arranged front to back, the two fourth bearing seats 48 are arranged left to right, and the two fifth bearing seats 49 are arranged left to right. The two fourth bearing seats 48 are each provided with a fourth bearing 50. The fourth swinging member 43 is located between the two fourth bearing seats 48. The fourth eccentric shaft 42 passes through the fourth bearing 50 and the fourth swinging member 43 in the two fourth bearing seats 48. The fifth pulley 46 is provided with a first one-way bearing 51. The left and right ends of the fourth eccentric shaft 42 are respectively connected to the fourth pulley 45 and the first one-way bearing 51. The two fifth bearing seats 49 are each provided with a fifth bearing 52, the rotating shaft 44 is inserted between the fifth bearings 52 of the two fifth bearing seats 49, the right end of the rotating shaft 44 passes through the corresponding fifth bearing 52 and is connected to the sixth pulley 47, the fourth motor 41 has a second left output shaft 53 and a second right output shaft 54 ​​that can rotate synchronously, the second left output shaft 53 is connected with a second one-way bearing 55, the outer periphery of the second one-way bearing 55 is connected with a seventh pulley 56, a fourth belt 57 is provided between the seventh pulley 56 and the fourth pulley 45, the second right output shaft 54 ​​is provided with a fourth belt tooth portion 58, a fifth belt 59 is provided between the fourth belt tooth portion 58 and the sixth pulley 47, the right end of the rotating shaft 44 is provided with a fifth belt tooth portion 60, a sixth belt 61 is provided between the fifth belt tooth portion 60 and the fifth pulley 46, the outer diameter of the fourth pulley 45 is smaller than the outer diameter of the fifth pulley 46, the first one-way bearing 51 and the second one-way bearing 55 are arranged in opposite directions.The fourth motor 41 adopts a dual-output shaft motor that can rotate forward and reverse. When the fourth motor 41 rotates forward, the second left output shaft 53 drives the fourth pulley 45 to rotate, but the second one-way bearing 55 rotates idly. At this time, the fourth pulley 45 drives the fourth eccentric shaft 42 to rotate, and the fourth eccentric shaft 42 drives the fourth swinging member 43 to swing, while the fifth pulley 46 cannot drive the fourth eccentric shaft 42 to rotate; when the fourth motor 41 rotates, the second right output shaft 54 ​​drives the sixth pulley 47 and rotates the fifth pulley 46, but the first The one-way bearing 51 rotates idly, and at this time the fifth pulley 46 drives the fourth eccentric shaft 42 to rotate, and the fourth eccentric shaft 42 drives the fourth swinging member 43 to swing, while the fourth pulley 45 cannot drive the fourth eccentric shaft 42 to rotate; since the outer diameter of the fourth pulley 45 is smaller than the outer diameter of the fifth pulley 46, when the fourth pulley 45 and the fifth pulley 46 respectively drive the fourth eccentric shaft 42 to rotate, the rotation speed of the fourth eccentric shaft 42 is different, and the swinging speed of the fourth swinging member 43 is also different, so that the swinging speed of the sofa frame 1 is also different. Embodiment 2

[0033] Reference Figure 8 The specific implementation of this embodiment is basically the same as that of the first embodiment, except that the electric push rod includes a second electric push rod 62 for driving the two leg extension brackets 11 to extend and retract, and a third electric push rod 63 for driving the two backrest extension brackets 12 to extend and retract. The connection relationship between the second electric push rod 62 and the two leg extension brackets 11 and the connection relationship between the third electric push rod 63 and the two backrest extension brackets 12 are both prior art, and their specific structures are not described here. The second electric push rod 62 and the third electric push rod 63 are used to drive the extension and retraction of the two leg extension brackets 11 and the two backrest extension brackets 12, respectively.

[0034] It should be noted that, refer to Fig. 9 When the driving mechanism 5 is removed, when the electric push rod drives the leg extension bracket 11 and the backrest extension bracket 12 to extend and retract, it will also drive the sofa frame 1 and the two swing support rods 2 to swing back and forth.

[0035] The above is only a specific implementation method of the utility model, but the design concept of the utility model is not limited to this. Any non-substantial changes to the utility model using this concept shall be deemed as an infringement of the protection scope of the utility model.

Claims

1. An electric rocking sofa, characterized in that: The sofa frame comprises a sofa frame and two swing support rods, wherein the bottom surfaces of the two swing support rods are concave arc surfaces, the sofa frame is located above the two swing support rods, a mounting seat is fixedly arranged between the two swing support rods, the bottom of the sofa frame is hinged to the top of the mounting seat, a concave transmission rod is arranged at the bottom of the sofa frame, a driving mechanism which is transmission-connected with the transmission rod and drives the sofa frame to swing back and forth is arranged on the mounting seat, the sofa frame has two leg extension brackets arranged on the left and right and two backrest extension brackets arranged on the left and right, and an electric push rod which drives the two leg extension brackets and the two backrest extension brackets to extend and retract is arranged on the sofa frame.

2. The electric rocking sofa according to claim 1, characterized in that: The bottom surface of the sofa frame is provided with two first connecting rods arranged front and back, two second connecting rods arranged left and right are provided between the two first connecting rods, a third connecting rod is provided between the middle parts of the two second connecting rods, the bottom of the third connecting rod is hinged to the top of the mounting seat, and the transmission rod is provided between the front parts of the two second connecting rods.

3. An electric rocking sofa as claimed in claim 2, characterized in that: The top of the mounting seat is provided with two lower hinges arranged on the left and right, and the bottom of the third connecting rod is provided with two upper hinge ears arranged on the left and right. The two lower hinges are top-opening structures, each lower hinge corresponds to an upper hinge ear, and the upper hinge ear is hinged in the corresponding lower hinge.

4. The electric rocking sofa according to claim 1, characterized in that: Each leg extension bracket corresponds to a backrest extension bracket, and a fourth connecting rod is hinged between the corresponding leg extension bracket and the backrest extension bracket. The electric push rod includes a first electric push rod that drives the two leg extension brackets and the two backrest extension brackets to extend and retract synchronously.

5. The electric rocking sofa according to claim 1, characterized in that: The electric push rods include a second electric push rod for driving two leg extension brackets to extend and retract, and a third electric push rod for driving two backrest extension brackets to extend and retract.

6. The electric rocking sofa according to claim 1, characterized in that: The driving mechanism includes a first motor, a first eccentric shaft, a first swinging member, a first pulley and two first bearing seats, the first motor and the two first bearing seats are connected to the mounting seat, the two first bearing seats are arranged on the left and right, the two first bearing seats are each provided with a first bearing, the first swinging member is located between the two first bearing seats, the first eccentric shaft passes through the first bearings of the two first bearing seats and the first swinging member, the first pulley is connected to one end of the first eccentric shaft, the output shaft of the first motor is provided with a first belt tooth portion, a first belt is provided between the first belt tooth portion and the first pulley, and the first swinging member is vertically arranged and connected to the transmission rod.

7. The electric rocking sofa according to claim 1, characterized in that: The driving mechanism includes a second motor, a second eccentric shaft, a second swinging member, a second bearing seat and a gear mounting seat. The second motor, the second bearing seat and the gear mounting seat are connected to the mounting seat. The second bearing seat and the gear mounting seat are arranged on the left and right. A gear is provided in the gear mounting seat. The output shaft of the second motor is provided with a tooth portion. The output shaft of the second motor passes through the gear mounting seat and the tooth portion is engaged with the gear. A second bearing is provided in the second bearing seat. Two mounting bearings arranged on the left and right are provided in the gear mounting seat. The second swinging member is located between the second bearing seat and the gear mounting seat. The second eccentric shaft passes through the second bearing, the second swinging member, the two mounting bearings and is coaxial with the gear. The second swinging member is vertically arranged and connected to the transmission rod.

8. The electric rocking sofa according to claim 1, characterized in that: The driving mechanism includes a third motor, a third eccentric shaft, a third swinging member, two third pulleys and two third bearing seats, the third motor and the two third bearing seats are connected to the mounting seat, the two third bearing seats are symmetrically arranged on the left and right, the two third bearing seats are each provided with a third bearing, the third eccentric shaft is passed through between the third bearings of the two third bearing seats, and the left and right ends of the third eccentric shaft respectively extend out of the corresponding third bearings, the third swinging member is located between the two third bearing seats, the third eccentric shaft passes through the third swinging member, the third motor has a first left output shaft and a first right output shaft that can rotate synchronously, the first left output shaft and the first right output shaft are both provided with a third belt tooth portion, the two third pulleys are respectively connected to the left and right ends of the third eccentric shaft, each third belt tooth portion corresponds to a third pulley, and a third belt is provided between the corresponding third belt tooth portion and the third pulley.

9. The electric rocking sofa according to claim 1, characterized in that: The driving mechanism includes a fourth motor, a fourth eccentric shaft, a fourth swinging member, a rotating shaft, a fourth pulley, a fifth pulley, a sixth pulley, two fourth bearing seats and two fifth bearing seats, the fourth motor, the two fourth bearing seats and the two fifth bearing seats are connected to the mounting seat, the two fourth bearing seats and the two fifth bearing seats are arranged front to back, the two fourth bearing seats are arranged left to right, the two fifth bearing seats are arranged left to right, the two fourth bearing seats are each provided with a fourth bearing, the fourth swinging member is located between the two fourth bearing seats, the fourth eccentric shaft passes through the fourth bearings and the fourth swinging member in the two fourth bearing seats, the fifth pulley is provided with a first one-way bearing, the left and right ends of the fourth eccentric shaft are respectively connected to the fourth pulley and the first one-way bearing, the two fifth bearing seats are each provided with a The invention relates to a fifth bearing, wherein the rotating shaft is arranged between the fifth bearings of the two fifth bearing seats, the right end of the rotating shaft passes through the corresponding fifth bearing and is connected to the sixth pulley, the fourth motor has a second left output shaft and a second right output shaft that can rotate synchronously, the second left output shaft is connected to a second one-way bearing, the outer periphery of the second one-way bearing is connected to a seventh pulley, a fourth belt is arranged between the seventh pulley and the fourth pulley, the second right output shaft is provided with a fourth belt tooth portion, a fifth belt is arranged between the fourth belt tooth portion and the sixth pulley, the right end of the rotating shaft is provided with a fifth belt tooth portion, a sixth belt is arranged between the fifth belt tooth portion and the fifth pulley, the outer diameter of the fourth pulley is smaller than the outer diameter of the fifth pulley, and the first one-way bearing (51) and the second one-way bearing (55) are arranged in opposite directions.

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