Shoulder and neck kneading massage device

Abstract

A shoulder and neck kneading massage device comprises two massage head sets which are arranged on a machine core body and can achieve kneading, a motor is arranged in the machine core body, a worm on the motor drives worm wheels at the two ends, the motor is a brushless motor, and the brushless motor comprises a rotor shell and a stator. The worm penetrates through the center of the rotor shell and is fixed on the rotor shell so as to rotate along with the rotor shell, the stator is fixed on a bottom shell of the machine core main body, one side, fixed on the bottom shell, of the stator is defined as a first side of the brushless motor, and one side, opposite to the first side, of the brushless motor is defined as a second side; the end, located on the outer side of the second side, of the worm penetrates through a bearing. The massage device can better massage and knead shoulders and necks, the size and the weight of the massage device can be reduced, and the use experience is improved.

Description

Technical Field

[0001] The utility model relates to a massager, more specifically to a shoulder and neck kneading massage device. Background Art

[0002] A massager is a massager that promotes blood circulation through vibration or tapping, which can relieve the discomfort caused by maintaining a fixed posture for a long time, thereby relieving fatigue and effectively preventing diseases. Common shoulder and neck massagers usually use a motor to drive the massage head to roll, rotate or flip, and press the required parts through a rotating massage action. However, shoulder and neck massage is generally done by pushing and pressing. There are few massagers that can perform rotational massage and kneading at the same time. In addition, the pushing and kneading amplitude is small, the massage area is small, the kneading stroke is small, and the massage method is not comfortable.

[0003] A shoulder and neck massager generally uses a motor to drive the massage head to swing along a set trajectory to achieve the function of rubbing and kneading the human shoulder and neck. The massage head needs the motor to provide a large torque when kneading to ensure that the neck massager has a better massage force and massage effect. For this reason, the existing motors are generally large in size and heavy in weight, which affects the user's wearing comfort.

[0004] In order to overcome the problems of large size and high noise of existing brush motors, some massagers have replaced the motor with a brushless motor using an outer rotor. The brushless motor in the existing massager generally only cooperates with the output shaft on one side, and the output shaft is connected through a reduction gear group. Since two groups of massage head groups are often provided in the shoulder and neck massager for kneading at the same time, it is necessary to drive the two groups of massage components at both ends of the output shaft to operate at the same time. The worm on the motor drives the worm gear at both ends. When a brushless motor is used, the outer rotor shell drives the output shaft to rotate. Since the stator (winding coil) fixing point in the brushless motor is located on one side of the outer rotor shell, when the outer rotor shell drives the output shafts on both sides, the output shafts are always unequal to the fixed position of the stator (one side is close, and the other side is at least separated by the thickness of a motor). Due to the different force points of the rotating output, there will be uneven force. Relatively speaking, the output shaft is less likely to deform when it is rotating on the side where the output shaft is closer to the stator (close to the force point), while the output shaft on the side farther away is more likely to have worm gear engagement deviation and slipping during rotation, thus affecting the stability of the motor drive, affecting the normal use and service life of the massager. This case is caused by this. Utility Model Content

[0005] The purpose of the utility model is to provide a shoulder and neck kneading massage device, which can better meet the massage and kneading needs of the shoulder and neck, and can reduce the volume and weight of the massage device, thereby improving the user experience.

[0006] In order to achieve the above purpose, the solution of the utility model is:

[0007] A shoulder and neck kneading massage device comprises two groups of massage heads for kneading arranged on a movement body, the movement body comprises a motor, a worm on the motor drives worm wheels at two ends, the motor is a brushless motor, the brushless motor comprises a rotor housing and a stator, the worm passes through the center of the rotor housing and is fixed on the rotor housing to rotate with the rotor housing, the stator is fixed on the bottom shell of the movement body, a side of the stator fixed on the bottom shell is defined as a first side of the brushless motor, a side of the brushless motor opposite to the first side is defined as a second side, and an end of the worm located on the outside of the second side passes through a bearing.

[0008] Furthermore, the worms on both sides of the brushless motor are located on the same concentric axis.

[0009] Furthermore, a motor slot is provided in the bottom shell for positioning the brushless motor, a fixing plate is provided on one side of the motor slot, the outer side of the stator is fixed on the fixing plate, and a bearing seat is provided on the other side of the motor slot, and the bearing is located in the bearing seat.

[0010] Furthermore, a rubber sleeve is provided on the outer side of the bearing.

[0011] Furthermore, the worm includes spiral tooth segments formed at both ends of a rotating rod and capable of meshing with the worm wheel, and the bearing is located inside the spiral tooth segments.

[0012] Furthermore, each worm gear drives a kneading gear respectively, and each massage head group includes a first massage head and a second massage head. An eccentric shaft is provided on the kneading gear. The first massage head is arranged at the end of a first connecting arm, and the other end of the first connecting arm is sleeved on the eccentric shaft. A strip-shaped slide groove is provided in the first connecting arm and is limited to a limit pin arranged on the movement body. The first massage head performs a compound motion of left and right swinging and forward and backward movement under the action of the eccentric shaft driving the first connecting arm to rotate and the limit pin to limit the first massage head. The second massage head is fixed on the eccentric shaft, and when the kneading gear rotates, it drives the second massage head to rotate around the kneading gear as the center.

[0013] Furthermore, the second massage head is fixed to the outer end of a second connecting arm, the inner end of the second connecting arm is fixed to the eccentric shaft, a convex column is protruded from the outer end of the second connecting arm, and a heating plate is provided on the convex column and located at the bottom of the second massage head.

[0014] Furthermore, a cover plate is provided on the upper cover of the slide slot in the first connecting arm, and the limiting pin is located below the cover plate.

[0015] Furthermore, the end of the first connecting arm extends upwardly and obliquely to form a first massage arm, and the first massage head is arranged on the top of the first massage arm.

[0016] Furthermore, the two massage head groups are symmetrically arranged, and the rotation directions of the second massage heads in the left and right massage head groups are opposite.

[0017] After adopting the above structure, the utility model drives the kneading gears on both sides to rotate through the brushless motor, and the eccentric shaft of the kneading gear drives the second massage head to rotate. The first massage head performs a compound motion of left and right swinging and forward and backward movement under the action of the eccentric shaft and the limit pin as a fulcrum, so that the massage head group can achieve a kneading effect. In addition, the use of a brushless motor can reduce the volume and weight of the movement and reduce noise, and the brushless motor is equipped with a bearing, which can balance the force of the worm outside the two sides of the brushless motor to ensure the stability of the transmission. The utility model can simultaneously meet the massage and kneading of the shoulder and neck, increase the kneading stroke, enhance the kneading effect, and have a more comfortable massage effect as a whole. The overall volume and weight of the massage device are reduced, the structure is compact, and the operation is stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a side view of the utility model;

[0020] Figure 3 It is a top view of the utility model (without the upper shell cover);

[0021] Figure 4 It is a schematic diagram of the structure decomposition of the utility model (without the upper shell cover);

[0022] Figure 5 It is a connection diagram of the motor, worm and worm wheel in the utility model.

[0023] Description of labels:

[0024] 1 Movement body; 11 Bottom case; 12 Motor slot; 13 Fixing plate;

[0025] 2 brushless motor; 21 rotor housing; 22 stator;

[0026] 3 worm; 31 rotating rod; 32 spiral tooth segment;

[0027] 41 worm gear; 42 kneading gear; 421 eccentric shaft;

[0028] 51 bearing; 52 rubber sleeve; 53 bearing seat;

[0029] 61 first massage head; 62 first connecting arm; 621 slide groove; 63 limiting pin; 64 first massage arm; 65 cover plate;

[0030] 71 second massage head; 72 second connecting arm; 73 convex column; 74 heating plate;

[0031] A: first side; B: second side. DETAILED DESCRIPTION

[0032] In order to further explain the technical solution of the present utility model, the present utility model is described in detail below through specific embodiments.

[0033] Combination Figures 1 to 5 As shown, the utility model discloses a shoulder and neck kneading massage device, including two groups of massage heads for kneading arranged on a movement body 1, wherein the movement body 1 includes a motor, which drives a worm 3 to rotate, and the worm 3 drives worm wheels 41 at both ends, and each worm wheel 41 drives a kneading gear 42 respectively, and the kneading action can be achieved by rotating the kneading gears 42 on both sides and driving the massage head groups at the same time.

[0034] In the utility model, in order to make the movement body 1 smaller and more lightweight, the motor is a brushless motor 2, which includes a rotor housing 21 and a stator 22. The worm 3 passes through the center of the rotor housing 21 and is fixed on the rotor housing 21 to rotate with the rotor housing 21. The stator 22 is fixed on the bottom shell 11 of the movement body 1. The side of the stator 22 fixed on the rotor housing 21 is defined as the first side A of the brushless motor 2, and the side of the brushless motor 2 opposite to the first side is the second side B. The end of the worm 3 located on the outside of the second side B passes through a bearing 51. Through the supporting effect of the bearing 51, the part outside the second side B of the brushless motor 2 is balanced, and the problem of uneven force will not occur due to the distance from the force point of the brushless motor 2, thereby ensuring that the concentricity of the worm 3 is not affected, and the worm 3 outside the two sides of the brushless motor 2 are on the same concentric axis.

[0035] Specifically, a motor slot 12 for positioning the brushless motor 2 is provided in the bottom shell 11 of the movement body, and a fixing plate 13 is provided on one side of the motor slot 12. The outer side surface of the stator 22 is fixed on the fixing plate 13. The outer end surface of the stator 2 can be inserted into the fixing plate 13 for positioning and then locked. A bearing seat 53 is provided on the other side of the motor slot 12, and the bearing 51 is located in the bearing seat 53. The worm 3 may include a spiral tooth segment 32 formed at both ends of a rotating rod 31 and meshing with the worm wheel 41, and the bearing 51 is located on the inner side of the spiral tooth segment 32, and the bearing 51 is installed in the rotating rod 31 at the outer side of the second side B of the brushless motor 2.

[0036] Furthermore, a rubber sleeve 52 may be sleeved on the outer side of the bearing 51. The rubber sleeve 52 can reduce the shock of the bearing 51, thereby reducing noise and avoiding affecting the user experience of the massager.

[0037] In the present invention, in order to achieve the kneading effect of the massage device, the kneading gears 42 on both sides are driven by the brushless motor 2 and the worm 3 at the same time, and the brushless motor 2 forms a dual-axis synchronous output mode. Figure 3 , Figure 4 As shown, each massage head group includes a first massage head 61 and a second massage head 71. An eccentric shaft 421 is provided on the kneading gear 42. The eccentric shaft 421 is eccentrically arranged on the kneading gear 42, and the eccentric shaft 421 rotates with the kneading gear 42. The first massage head 61 is arranged at the end of a first connecting arm 62. The other end of the first connecting arm 62 is sleeved on the eccentric shaft 421. A strip-shaped slide groove 621 is provided in the first connecting arm 62 and is limited to a limit pin 63 arranged on the movement body. The first massage head 61 can perform a composite movement of left and right swinging and forward and backward movement under the action of the eccentric shaft 421 driving the first connecting arm 62 to rotate and the limit pin 63 to perform kneading massage. The second massage head 71 is fixed on the eccentric shaft 42. When the kneading gear 42 rotates, it can drive the second massage head 71 to rotate around the kneading gear 42 as the center to achieve rotational pushing.

[0038] The worm gear 3 is meshed with the kneading gear 42, and the power is transmitted to the kneading gear 42. The second massage head 71 rotates under the drive of the eccentric shaft 421 to form a kneading massage head. In this embodiment, the second massage head 71 is fixed to the outer end of a second connecting arm 72, and the inner end of the second connecting arm 72 is fixed on the eccentric shaft 421. The eccentric shaft 421 drives the second connecting arm 72 to rotate. The second connecting arm 72 drives the second massage head 71 to rotate under the drive of the eccentric shaft 421, realizing a rotating massage action, greatly increasing the massage area and massage amplitude, and making the rotary pressing more comfortable. Further, a convex column 73 can be convexly provided at the outer end of the second connecting arm 72, and a heating plate 74 is provided on the convex column 73 and located at the bottom of the second massage head 71, so that the second massage head 171 can have a heating massage function, achieving a better massage effect on the neck.

[0039] The first massage head 61 can extend upward from the end of the first connecting arm 62 to form a first massage arm 64, and the first massage head 61 is arranged on the top of the first massage arm 64. The first massage arm 64 can be arranged to tilt upward from the end of the first connecting arm 62, increase the height of the first massage head 61 and extend outward, thereby increasing the massage stroke and area.

[0040] like Figure 1 As shown, a cover plate 65 may be provided on the slide groove 621 in the first connecting arm 62, and the cover plate 65 is locked on the first connecting arm 62, and the limit pin 63 is located below the cover plate 65. After adding the cover plate 65, the oil in the movement body can be prevented from flowing out and contaminating the cloth cover outside the movement.

[0041] The two groups of massage head groups are symmetrically arranged, so that the second massage heads 71 ​​in the left and right massage head groups can rotate in opposite directions. When the massage movement is working, the kneading gear 42 rotates under the transmission action, wherein the second massage head 71 rotates under the driving action of the eccentric shaft 421, and the second massage heads 71 ​​in the left and right massage head groups rotate in opposite directions, so as to realize the massage action of the massage heads rotating on both sides. In each group of massage head groups, the first massage head 61 performs reciprocating rotation under the driving action of the first connecting arm 62, and because the slide groove 621 on the first connecting arm is limited by the stroke of the limiting pin 63 during movement, the first massage head 61 performs a compound movement of left and right swinging and forward and backward movement with the limiting pin 13 as the fulcrum. The massage groups on both sides work at the same time, and the massage and kneading of the shoulder and neck are satisfied at the same time. The massage method can be similar to the kneading method of opening and closing the two hands of a person, and the pushing and kneading is more comfortable.

[0042] The second massage head 71 rotates above the reciprocating first massage head 61. When the first massage head 61, the stopper 63, and the second massage head 71 are in a straight line (not shown in the figure), that is, the rotating second connecting arm 72 and the reciprocating first connecting arm 62 form a straight line, the maximum distance between the first massage head 61 and the second massage head 71 is formed, so that the shoulder enters between the two massage heads. Continue to rotate and reciprocate, that is, when the rotating second connecting arm 72 and the reciprocating first connecting arm 62 overlap, the minimum distance between the first massage head 61 and the second massage head 71 is formed, so that the first massage head 61 and the second massage head 71 can achieve the effect of pinching the shoulder, and at the same time meet the rotation massage and kneading of the shoulder and neck. At the same time, the distance between the first massage heads 71 ​​between the two groups of massage head groups located on the left and right sides will also change, and the pinching effect can be further achieved between the two groups of first massage heads 61, increasing the massage area. When the first massage head 61 and the second massage head 71 are in a state of rotating at a vertical angle, the maximum or minimum distance can be formed between the first massage heads 61 of the two groups of massage head groups.

[0043] After adopting the above structure, when the shoulder and neck kneading massage device of the utility model is working, the kneading gears on both sides are driven to rotate by the brushless motor, and the eccentric shaft of the kneading gear drives the second massage head to rotate. The first massage head performs a compound motion of left and right swinging and forward and backward movement under the action of the eccentric shaft and the limit pin as a fulcrum, so that the massage head group achieves a kneading effect, and the distance between the two groups of reciprocating first massage heads will also change to achieve a kneading effect. In addition, since the brushless motor is used to replace the existing brushed motor, the size and weight of the movement can be reduced, and the noise can be reduced. The brushless motor is equipped with bearings, which can balance the force of the worm outside the two sides of the brushless motor to ensure the stability of the transmission. The utility model can simultaneously meet the massage and kneading of the shoulder and neck, increase the kneading stroke, enhance the kneading effect, and have a more comfortable massage effect as a whole. The overall size and weight of the massage device are reduced, the structure is compact, and the operation is stable.

[0044] The above embodiments and drawings do not limit the product form and style of the present utility model. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the present utility model.

Claims

1. A shoulder and neck kneading massage device, comprising two groups of massage heads for kneading arranged on a movement body, wherein the movement body comprises a motor, and a worm on the motor drives worm wheels at both ends, characterized in that: The motor is a brushless motor, which includes a rotor housing and a stator. The worm passes through the center of the rotor housing and is fixed on the rotor housing to rotate with the rotor housing. The stator is fixed on the bottom shell of the movement body. The side of the stator fixed on the bottom shell is defined as the first side of the brushless motor, and the side of the brushless motor opposite to the first side is defined as the second side. The end of the worm located on the outside of the second side passes through a bearing.

2. A shoulder and neck kneading massage device as claimed in claim 1, characterized in that: The worms on both sides of the brushless motor are on the same concentric axis.

3. A shoulder and neck kneading massage device as claimed in claim 1, characterized in that: A motor slot for positioning the brushless motor is provided in the bottom shell, a fixing plate is provided on one side of the motor slot, the outer side of the stator is fixed on the fixing plate, and a bearing seat is provided on the other side of the motor slot, and the bearing is located in the bearing seat.

4. A shoulder and neck kneading massage device as claimed in claim 3, characterized in that: A rubber sleeve is arranged on the outer side of the bearing.

5. A shoulder and neck kneading massage device as claimed in claim 1, characterized in that: The worm comprises spiral tooth segments formed at both ends of a rotating rod and capable of meshing with a worm wheel, and the bearing is located inside the spiral tooth segments.

6. A shoulder and neck kneading massage device according to any one of claims 1 to 5, characterized in that: Each worm gear drives a kneading gear respectively, and each massage head group includes a first massage head and a second massage head. An eccentric shaft is provided on the kneading gear. The first massage head is arranged at the end of a first connecting arm. The other end of the first connecting arm is sleeved on the eccentric shaft. A strip-shaped slide groove is provided in the first connecting arm and is limited to a limit pin arranged on the movement body. The first massage head performs a compound motion of left and right swinging and forward and backward movement under the action of the eccentric shaft driving the first connecting arm to rotate and the limit pin to limit. The second massage head is fixed on the eccentric shaft, and when the kneading gear rotates, it drives the second massage head to rotate with the kneading gear as the center.

7. A shoulder and neck kneading massage device as claimed in claim 6, characterized in that: The second massage head is fixed on the outer end of a second connecting arm, the inner end of the second connecting arm is fixed on the eccentric shaft, the outer end of the second connecting arm is protruded with a convex column, and a heating plate is arranged on the convex column and located at the bottom of the second massage head.

8. A shoulder and neck kneading massage device as claimed in claim 6, characterized in that: A cover plate is provided on the sliding slot in the first connecting arm, and the limiting pin is located below the cover plate.

9. A shoulder and neck kneading massage device as claimed in claim 6, characterized in that: The end of the first connecting arm extends upwardly and obliquely to form a first massage arm, and the first massage head is arranged on the top of the first massage arm.

10. The shoulder and neck kneading massage device according to claim 6, characterized in that: The two massage head groups are symmetrically arranged, and the rotation directions of the second massage heads in the left and right massage head groups are opposite.

Images