A waist and abdomen massager

Abstract

The waist and abdomen massager comprises a shell, a control module and a charging socket are arranged on the shell, a battery is arranged in the shell, a massage assembly integrating hot compress, electrode pulse and simulation human massage functions is arranged on the inner side of the shell, the massage assembly can be controlled through the control module, the massage assembly performs massage action in a swing mode, a sinking structure is arranged on the side of the shell to reduce the overall thickness, the massager can realize pressing, patting, kneading and other simulation human massage in the smallest size, reduces discomfort, has the functions of hot compress and electric pulse, and enables users to use different functions in different stages and environments.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of massagers, in particular to a waist and abdomen massager. BACKGROUND

[0002] People are increasingly prone to sitting and lack of movement in daily life, long-term lack of exercise, reduced body energy consumption, obesity caused by fat accumulation, gastrointestinal function is not enhanced, and even reduced activity, can appear indigestion, seriously endangering people's physical and mental health.

[0003] In order to solve the above situation, there are many massagers on the market, which realize massage by electric shock, hot compress, mechanical vibration and other functions, but due to the design problem of structure, some small portable massage devices only have simple linear reciprocating motion, the action is relatively rigid, and the massage method is quite different from that of a real person, resulting in a use time of generally 15-25 minutes, and after 25 minutes, the discomfort is prominent, and the existing structure, such as a swing, increases the volume of the instrument and reduces the wearing comfort. In order to solve the above problems, the present application provides a simulated waist and abdomen massager, which is expected to improve the massage experience of the user and reduce the harm of sitting to the body through the product structure of the present application. SUMMARY

[0004] The present application aims to provide a waist and abdomen massager to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a waist and abdomen massager, comprising a shell, both ends of the shell are fixedly connected with a belt, and the two belts are connected with each other through a magic tape to be worn on the waist and abdomen of the user, a control module and a charging socket are arranged on the shell, the control module comprises a display screen and a button, the working state and information can be displayed on the display screen, and the running state and start-stop can be controlled through the button, a rechargeable battery is installed in the inside of the shell to provide power for electronic components, a massage assembly integrating hot compress, electrode pulse and simulated human massage functions is installed in the shell through the installation groove opened on the inner side surface of the shell, the installation groove gives space for the movement of the massage assembly, the massage assembly performs massage action in a swing manner to improve the feeling of massage, and the massage assembly is controlled through the control module, and a sunken structure is arranged on the side of the shell close to the massage assembly to reduce the overall thickness.

[0006] Preferably, the number of massage assemblies is two and arranged in an up-down form, divided into multiple blocks for detailed massage action, and the two massage assemblies are respectively driven by corresponding motors installed in the inside of the shell.

[0007] Preferably, the number of said motor is two, and two motors are symmetrically installed on the mounting frame, said mounting frame is installed in the inside of the shell, the push frame is hinged on the side of the massage assembly close to the mounting frame, the center position of the push frame is hinged with the mounting frame, and one end of the push frame is driven by the motor to swing back and forth, the motor can make the push frame swing back and forth in a certain angle range, both ends of the push frame are provided with connecting columns, the connecting columns extend to the outside of the shell through the through grooves opened on the shell and are connected with the massage assembly through screws.

[0008] Preferably, the motor shaft of said motor penetrates the mounting frame and is fixedly connected with an eccentric shaft, a swing arm for driving the push frame is installed on the eccentric shaft, the motor starts to drive the push frame to move through the eccentric shaft, one end of the swing arm is rotatably connected with the eccentric shaft through a bearing, the other end extends into the corresponding connecting column and is connected with the connecting column through a bolt, the rotation of the motor shaft can drive the swing arm to swing continuously through the eccentric shaft.

[0009] Preferably, the connecting column is provided with a silica gel sheet for buffering and sealing.

[0010] Preferably, the inside of the shell is provided with clamping mechanisms for fixing the bandages at both ends, said clamping mechanisms include a base and a cover plate, and corresponding through holes are formed on the base, the cover plate and the bandages.

[0011] Preferably, the massage assembly includes a perforated plate and a bottom plate, the perforated plate and the bottom plate are clamped with each other in an interference fit manner, and a heating film is arranged between the perforated plate and the bottom plate, the heating film can generate heat when powered, and electrode sheets are symmetrically installed on the perforated plate, which can emit pulse current to the human body.

[0012] Preferably, the bottom plate is divided into a left plate and a right plate, and the left plate and the right plate are connected with each other through a spring plate, the spring plate can be elastically deformed, that is, the bottom plate is connected in two sections, which can make the massage assembly more fit the physiological curve of the human body.

[0013] The massage mode of the waist and abdominal massage device includes pressing mode, patting mode and kneading mode.

[0014] Among them,

[0015] In the pressing mode, two motors move synchronously and have the same initial phase, so that two massage assemblies swing left and right synchronously to perform pressing action;

[0016] In the patting mode, two motors move synchronously and have an initial phase difference of 180 degrees, so that two massage assemblies swing left and right reciprocally and cross each other to perform patting action;

[0017] In the kneading mode, the following steps are included:

[0018] M1: the initial state of the two motors makes the positions of the two massage assemblies horizontal and parallel;

[0019] M2: one motor is operated to rotate, so that the corresponding massage assembly forms a state of swinging to one side;

[0020] M3: the other motor is operated to rotate, so that the corresponding massage assembly has the same state as the massage assembly in step M2;

[0021] M4: the motor in step M2 is operated to rotate, so that the corresponding massage assembly forms a state of swinging to the other side;

[0022] M5: the other motor in step M3 is operated to rotate, so that the corresponding massage assembly has the same state as the massage assembly in step M4;

[0023] M6: the above steps M1-M5 are repeated to realize a kneading mode.

[0024] Compared with the prior art, the massage assembly can be driven to realize pressing, patting, kneading and other operation simulation human massage methods by cooperation between the motor and the massage assembly, so that the user does not feel uncomfortable even if the user wears and uses for a long time. Moreover, the heating film and the electrode sheet are integrated on the massage assembly, so that the functions of hot compress and electric pulse can be selectively used while the massage is performed, thereby promoting gastrointestinal peristalsis, increasing blood circulation, improving metabolism and the like at the waist and abdomen. In addition, the sinking structure on the shell can effectively reduce the thickness of the structure of the application and improve portability. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a whole structure schematic view of the application;

[0026] Figure 2 It is an exploded view of the shell of the application;

[0027] Figure 3 It is a structure schematic view of the back plate of the application;

[0028] Figure 4 It is a connection schematic view of the connecting column and the silica gel sheet of the application;

[0029] Figure 5 It is an exploded view of the porous plate and the bottom plate of the application;

[0030] Figure 6 It is a mounting schematic view of the motor of the application;

[0031] Figure 7 It is a connection schematic view of the push frame and the connecting column of the application;

[0032] Figure 8The structural schematic diagram of eccentric shaft of the application;

[0033] Figure 9 The schematic diagram of clamping mechanism of the application;

[0034] Figure 10 The exploded view of base and cover plate of the application;

[0035] Figure 11 The schematic diagram of back of bottom plate of the application;

[0036] Figure 12 The schematic diagram of internal structure of base frame of the application;

[0037] Figure 13 The schematic diagram of front side structure of base frame of the application;

[0038] Figure 14 The schematic diagram of structure at installation slot of the application;

[0039] Figure 15 The state diagram in kneading mode of the application;

[0040] Figure 16 The contrast diagram of sinking structure of the application;

[0041] Figure 17 The overall exploded view of the application;

[0042] Figure 18 The split structure of bottom plate of the application;

[0043] Figure 19 The circuit schematic diagram of Hall sensor of the application

[0044] Figure 20 The circuit schematic diagram of pulse current of the application;

[0045] Figure 21 The circuit schematic diagram of motor of the application.

[0046] In the figure: 1, shell, 101, base frame, 102, back plate, 103, fixing sleeve, 104, fixing rod, 105, threaded sleeve, 106, clamping plate, 107, limiting frame, 2, bandage, 3, control module, 4, charging socket, 5, battery, 6, massage assembly, 601, perforated plate, 602, bottom plate, 6021, left plate, 6022, right plate, 6023, elastic plate, 603, heating film, 604, electrode sheet, 7, motor, 8, mounting bracket, 9, push bracket, 10, connecting column, 11, through slot, 12, eccentric shaft, 13, swing arm, 14, bearing, 15, silica gel sheet, 16, clamping mechanism, 161, base, 162, cover plate, 17, installation slot, 18, control module, 19, installation slot, 20, magnet, 21, Hall sensor. DETAILED DESCRIPTION

[0047] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0048] Please refer to Figures 1-21 The present application provides a technical solution: a waist and abdomen massager, comprising a shell 1, the shell 1 comprises a base frame 101 and a back plate 102, the base frame 101 and the back plate 102 are inserted and connected with each other through a fixing sleeve 103 and a fixing rod 104, and a plurality of corresponding splicing threaded sleeves 105 are fixedly connected to the base frame 101 and the back plate 102, both ends of the shell 1 are fixedly connected with a belt 2, and the two belts 2 are connected with each other through a magic tape, that is, a male surface of the magic tape is sewn on one belt 2, and a female surface of the magic tape is sewn on the other belt 2, the male surface and the female surface can be matched with each other to connect the two belts 2 together, and the massager is worn on the abdomen or the waist during use, a control module 3 and a charging socket 4 are arranged on the shell 1, the control module 3 is divided into a display screen and a button, the working state and the working information can be displayed on the display screen, and the button can be used to control start and stop and switch the working state of the present application, a mounting hole for leaving a position for the charging socket 4 and the control module 3 is formed in the base frame 101, and a frame structure for bearing the display screen, the button and the charging socket 4 is further mounted in the inside of the base frame 101 (as shown in Figure 12 The inside of the shell 1 is mounted with a battery 5, the battery 5 is divided into two symmetrical parts mounted in the inside of the base frame 101, can keep the weight balance and symmetry of the shell 1, two upper and lower clamping plates 106 are fixedly connected to the inside of the base frame 101 to define the inside of the battery 5, a limiting frame 107 is fixedly connected to the back plate 102, the limiting frame 107 can completely define the position of the battery 5 with the corresponding clamping plate 106, the battery 5 is a rechargeable battery, the user can regularly supplement the power of the battery 5 through the charging socket 4, and the battery 5 provides power for the electronic components of the present application, the shell 1 is mounted with a massage assembly 6 integrating the functions of hot compress, electrode pulse and simulated human massage through a mounting groove 17 formed in the inner side surface of the shell 1, the massage assembly 6 performs a massage action in a swinging manner, the mounting groove 17 provides space for the installation of the massage assembly 6, and the depth of both ends of the mounting groove 17 is greater, that is, a sinking structure is formed, as shown in Figure 16 The design of the present application and the general design can show that the sinking structure provides space for the swinging process of the massage assembly 6, so that the size of the massager can be reduced.

[0049] The massage assembly 6 can simulate the massage mode of human pressing, patting and kneading, and the massage assembly 6 can be controlled by the control module 3, for example, the current is in the hot compress state or the current is in the electric pulse state, the button can control the switching of the working state of the massage assembly 6, such as Figure 4 and 5 As shown, the shape of the massage assembly 6 is an axisymmetric figure and the two ends are arc-shaped, that is, a bionic palm shape, so as to simulate the shape of the human hand as much as possible during massage, thereby approaching the artificial massage mode.

[0050] Specifically, the number of the massage assembly 6 is two and arranged in an up-down form, and the two massage assemblies 6 are respectively driven by the corresponding motors 7 installed inside the shell 1. Starting the motor 7 can make the corresponding massage assembly 6 perform the massage action. The two forms and the up-down arrangement can perform different modes of massage action by controlling the starting of the two motors 7.

[0051] Specifically, the number of the motor 7 is two, and the two motors 7 are symmetrically installed on the mounting bracket 8. The motor shafts of the two motors 7 respectively extend to the outside of the mounting bracket 8 through the upper and lower end faces of the mounting bracket 8. The mounting bracket 8 is installed inside the base frame 101 by bolts. The side surface of the mounting bracket 8 close to the massage assembly 6 is hingedly connected with a push bracket 9. The center position of the push bracket 9 is hingedly connected with the mounting bracket 8, that is, the push bracket 9 can rotate around the hinge connection with the mounting bracket 8. The motor 7 can make the push bracket 9 continuously swing back and forth within a certain angle range around the hinge connection with the mounting bracket 8. Both ends of the push bracket 9 are provided with a connecting column 10. The connecting column 10 extends to the outside of the shell 1 through the through groove 11 opened on the shell 1 and is connected with the massage assembly 6 by screws. The massage assembly 6 is provided with a hole. During installation, the screw can be connected with the hole on the massage assembly 6 through the threaded hole on the connecting column 10, so that the connecting column 10 and the massage assembly 6 can be connected together. At this time, when the push bracket 9 swings, the massage assembly 6 will move together, so that the massage assembly 6 performs the swing massage action.

[0052] Specifically, the motor shaft of the motor 7 penetrates the mounting bracket 8 and is fixedly connected with an eccentric shaft 12. The eccentric shaft 12 is installed with a swing arm 13 for driving the push bracket 9. The shape of the swing arm 13 is "L" shape. The motor 7 is started to drive the push bracket 9 to move through the eccentric shaft 12. One end of the swing arm 13 is rotatably connected with the eccentric shaft 12 through a bearing 14, and the other end extends into the corresponding connecting column 10 and is connected with the connecting column 10 by bolts (that is, the swing arm 13 is connected with only one connecting column 10). As shown in Figure 6The bearing 14 is mounted at the end of the swing arm 13 and is fixed by a circlip, the inner ring of the bearing 14 is connected with the eccentric shaft 12, and the outer ring of the bearing 14 is connected with the side wall of the swing arm 13, so that the swing arm 13 is rotatably connected with the eccentric shaft 12 without being disconnected with the eccentric shaft 12, and the rotation of the motor shaft of the motor 7 can drive the swing arm 13 to continuously swing, so that the push frame 9 and the massage assembly 6 connected with the push frame 9 can continuously perform the massage action.

[0053] Specifically, because the push frame 9 and the connecting column 10 drive the massage assembly 6 to perform the massage action by swinging, the movement mode of the connecting column 10 will have a certain deflection, in order to avoid the connecting column 10 from colliding with the shell 1 during movement to cause damage or noise, the size of the through slot 11 is larger than the size of the connecting column 10 (a swing allowance is reserved), and the connecting column 10 is provided with a silica gel sheet 15 for buffering and sealing, which can deform correspondingly during movement of the connecting column 10, thereby playing a buffering role.

[0054] Specifically, the two ends of the inner side surface of the shell 1 are provided with clamping mechanisms 16 for fixing the bandage 2, the clamping mechanism 16 comprises a base 161 and a cover plate which are inserted into each other, the base 161, the cover plate 162 and the bandage 2 are all provided with corresponding through holes, so as to be fixed and connected by bolts, and the base 161 is connected and fixed with the base frame 101 by screws.

[0055] Specifically, the massage assembly 6 comprises a perforated plate 601 and a bottom plate 602, the perforated plate 601 and the bottom plate 602 are clamped to each other in an interference fit manner, the bottom plate 602 is embedded in the inside of the perforated plate 601, and a heating film 603 is arranged between the perforated plate 601 and the bottom plate 602, the heating film 603 can generate heat when powered on, for example, the temperature range generated by the heating film 603 is 40-60 degrees Celsius, and the user can adjust it according to his own needs through the control module 3, a plurality of holes are arranged on the perforated plate 601, which can be used for heat transfer, heat dissipation and exhaust of hot and humid air, thereby improving the comfort, and the electrode sheet 604 for emitting pulse current of the user is symmetrically arranged on the perforated plate 601 (the circuit principle is shown in Figure 20 The electrode sheet 604 can emit current outward, and the size, pulse intensity and frequency of the current can also be controlled by the control module 3.

[0056] Specifically, as shown in Figure 14The bottom plate 602 is provided with a mounting groove 19, and the mounting groove 19 is provided with a countersunk hole. The connecting column 10 is provided with a threaded hole. The mounting of the bottom plate 602 and the connecting column 10 is achieved by screwing through the countersunk hole and engaging the threaded hole. In addition, the mounting groove 19 is also provided with a wire hole, and the connecting column 10 is in a hollow form and is also provided with a wire slot on one side. The wire hole and the wire slot can be used to arrange wires to provide power supply for the heating film 603 and the electrode sheet 604.

[0057] As shown in Figure 11 , the bottom plate 602 can be integrated, and can also be a split structure. The integrated structure is shown as 11,

[0058] The split structure is shown as 18. The bottom plate 602 is divided into a left plate 6021 and a right plate 6022, and the left plate 6021 and the right plate 6022 are connected to each other through a spring plate 6023. The spring plate 6023 can be elastically deformed, so that the bottom plate 602 adopts a two-section soft connection mode, and the massage assembly 6 can be more fitted to the physiological curve of the human body, thereby improving the comfort.

[0059] Specifically, the simulated human massage function of the massage assembly 6 includes a pressing mode, a patting mode and a kneading mode. The above modes are realized by controlling the rotation direction and rotation speed of the two motors 7, and can be realized by writing a program in the control module 18 installed in the inside of the base frame 101. When the mode needs to be changed, the user can send an instruction to the control module 18 through the control module 3, and the control module 18 will control the two motors 7 to move according to the program;

[0060] In addition, in order to accurately control the position of the massage assembly 6 in various massage modes, as shown in Figure 7 , a magnet 20 is installed on the side of the connecting column 10, and a Hall sensor 21 is installed on the base frame 101 to identify the change of the position of the magnet 20. The Hall sensor 19 is electrically connected to the control module 18. The sensing signal of the Hall sensor 19 and the magnet 20 is transmitted to the control module 18 to determine the angle position of the bionic palm 6 during the massage action. The control module 18 will control the two motors 7 to move according to the program. The application and principle of the Hall sensor are known in the art, and will not be described in detail. The specific circuit principle is shown in Figure 19 , and the control circuit principle diagram of the corresponding electrode 7 is shown in Figure 21 .

[0061] A massage mode of a waist and abdomen massager includes a pressing mode, a patting mode and a kneading mode.

[0062] In the pressing mode, the two motors 7 move synchronously and have the same initial phase, so that the two massage assemblies 6 swing left and right synchronously to perform the pressing action, and the pressing action is repeatedly simulated by a human being.

[0063] In the patting mode, the two motors 7 move synchronously and have the initial phase difference of 180 degrees, so that the two massage assemblies 6 swing left and right reciprocatingly to perform the patting action, and the patting action is repeatedly circulated.

[0064] The kneading mode comprises the following steps, and a schematic diagram of the operation is shown in Figure 15 .

[0065] M1: The initial state of the two motors 7 is that the two massage assemblies 6 are horizontally parallel;

[0066] M2: One motor 7 is operated to rotate, so that the corresponding massage assembly 6 swings to one side;

[0067] M3: The other motor 7 is operated to rotate, so that the corresponding massage assembly 6 has the same state as the massage assembly 6 in step M2;

[0068] M4: The motor 7 in step M2 is operated to rotate, so that the corresponding massage assembly 6 swings to the other side;

[0069] M5: The other motor 7 in step M3 is operated to rotate, so that the corresponding massage assembly 6 has the same state as the massage assembly 6 in step M4;

[0070] M6: The steps M1-M5 are repeated to realize the kneading mode.

[0071] The control module 18 is electrically connected with the control module 3, the heating film 603, the electrode sheet 604 and the motor 7, and a user can send an instruction to the control module 18 through the control module 3, so that the control module 18 controls the start and stop of the heating film 603, the electrode sheet 604 and the motor 7, and also controls the rotating speed, the initial phase and the rotating direction of the motor 7;

[0072] The control module 18, the display screen, the heating film 603, the motor 7 and the electrode sheet 604 are all prior art and are widely used, so the present application does not make any redundant description, the control module 18 can adopt a single-chip microcomputer, the display screen can adopt a HZ-TFT050FIP020-C model, the heating film 603 can adopt an NJ797 model, and the motor 7 can adopt a silent brushless motor which has small noise.

[0073] Working principle: when in use, the user wears two belts 2 around the waist or abdomen, and aligns the massage assembly 6 to the position that needs to be massaged, then controls the massage assembly 6 to perform corresponding massage actions and massage frequency or time, or uses hot compress and electric pulse massage functions through the control module 3. Of course, the control module 18 is built-in timing function and automatic movement scheme, which can run the selected program according to the selection of different modes and speeds. When the weather is cold, first start the heating and hot compress function to relax the muscles, and then run the set massage program. When working, place it on the abdomen to set the program to press, pat, knead and other simulated human massage, keep the long-term abdominal movement to increase the promotion of gastrointestinal peristalsis, increase blood circulation and improve metabolism. When tired, place it on the waist to massage, take hot compress, electrode pulse and press, pat, knead and other simulated human massage, which can relax the muscles of the waist, promote metabolism, improve the symptoms of waist congestion, relieve waist discomfort and pain, muscle spasm, and improve the symptoms of long-term sitting discomfort. In addition, as an optional shell 1, a Bluetooth transmission module can be installed inside to provide sleep music to the user's terminal device through Bluetooth transmission, making the massage process more relaxed.

Claims

1. A waist and abdomen massager, comprising a shell (1), both ends of the shell (1) are fixedly connected with a bandage (2), characterized in that: One side of the shell (1) is provided with a massage assembly (6) integrating hot compress, electrode pulse and simulated human massage functions, the massage assembly (6) is in the form of bionic palm, and the massage assembly (6) can be controlled through the control module (3), the massage assembly (6) performs massage action in a swinging manner, and the side of the shell (1) close to the massage assembly (6) is provided with a sinking structure for reducing the overall thickness, the number of the massage assembly (6) is two and arranged in an up-down form, and the two massage assemblies (6) are driven by corresponding motors (7), the number of the motors (7) is two, and the two motors (7) are symmetrically installed on the mounting bracket (8), the mounting bracket (8) is installed in the shell (1), a side of the mounting bracket (8) close to the massage assembly (6) is hingedly provided with a push frame (9), and one end of the push frame (9) is driven by the motor (7) to swing back and forth, both ends of the push frame (9) are provided with connecting columns (10), the connecting columns (10) are connected with the massage assembly (6), and a motor shaft of the motor (7) penetrates through the mounting bracket (8) and is fixedly connected with an eccentric shaft (12), the eccentric shaft (12) is installed with a swing arm (13) for driving the push frame (9), one end of the swing arm (13) is installed on the eccentric shaft (12) through a bearing (14), and the other end extends into the corresponding connecting column (10). The massage assembly (6) comprises a porous plate (601) and a bottom plate (602), the porous plate (601) and the bottom plate (602) are clamped to each other in an interference fit manner, and a heating film (603) is arranged between the porous plate (601) and the bottom plate (602), and the porous plate (601) is symmetrically provided with electrode sheets (604).

2. The waist and abdomen massager according to claim 1, characterized in that: A through groove (11) is formed in the shell (1), and a silica gel sheet (15) is arranged on the connecting column (10).

3. The waist and abdomen massager according to claim 1, characterized in that: Two ends of the inner side of the shell (1) are provided with clamping mechanisms (16) for fixing the bandage (2), the clamping mechanism (16) comprises a base (161) and a cover plate (162), and corresponding through holes are arranged on the base (161), the cover plate (162) and the bandage (2).

4. The lumbar-abdominal massager according to claim 1, wherein: The bottom plate (602) is divided into a left plate (6021) and a right plate (6022), and the left plate (6021) and the right plate (6022) are connected with each other through a spring plate (6023).

5. A method of operating the waist and abdomen massager according to claim 1, characterized by: It comprises a pressing mode, a patting mode and a kneading mode: In the pressing mode, the two motors (7) move synchronously and have the same initial phase, so that the two massage assemblies (6) swing left and right synchronously to perform pressing action; In the patting mode, the two motors (7) move synchronously and have an initial phase difference of 180 degrees, so that the two massage assemblies (6) reciprocate and cross to swing left and right to perform patting action; In the kneading mode, the following steps are included: M1: The initial state of the two motors (7) makes the positions of the two massage assemblies (6) both horizontal and parallel; M2: One motor (7) runs to rotate, so that the corresponding massage assembly (6) forms a state of swinging to one side; ​ M3: another motor (7) runs to rotate, so that the corresponding massage assembly (6) is in the same state as the massage assembly (6) in step M2; M4: the motor (7) in step M2 runs to rotate, so that the corresponding massage assembly (6) forms a state of swinging to the other side; M5: the other motor (7) in step M3 runs to rotate, so that the corresponding massage assembly (6) forms the same state as the massage assembly (6) in step M4; M6: repeat the above steps M1-M5 to realize the kneading mode.

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