Massage machine core and massage arm thereof
By adopting a separate upper and lower ball arm structure design, the lower ball arm adaptively rotates to conform to the curve of the human body, solving the problem of stiffness in existing massage arm structures, improving user comfort and massage effect, and enhancing market competitiveness.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO HAOSHIDA MASCH TECH CO LTD
- Filing Date
- 2025-01-14
- Publication Date
- 2026-04-24
AI Technical Summary
Existing massage arm structures, when achieving 3D push-out force, have limited coverage areas for single-ball fixed massage arms, while double-ball fixed massage arms are stiff and do not adapt to the human body's curves during the push-out process, resulting in poor user experience and insufficient market competitiveness.
It adopts a split structure design with a fixed upper ball arm and a movable lower ball arm. The lower ball arm adapts to the curve of the human body through adaptive rotation. Combined with a reset mechanism and limiting components, it realizes automatic adjustment of massage intensity and angle to ensure a gentle and natural massage process.
It enhances user comfort and massage experience, strengthens market competitiveness, achieves comprehensive and multi-layered massage effects, and simplifies the production and maintenance process, reducing costs.
Smart Images

Figure CN224155991U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of massage equipment technology, and in particular to a massage mechanism and its massage arm. Background Technology
[0002] In the field of 3D massage mechanism, a core component of massage equipment, existing designs have significant limitations in terms of massage arm structure. To achieve a certain 3D ejection force, traditional methods mainly rely on single-ball fixed massage arm or double-ball fixed massage arm structure.
[0003] While a single-ball fixed massage arm design can achieve basic massage functions to some extent, the lack of an auxiliary massage arm, due to the presence of only one fixed massage ball, severely limits the area of the body that can be covered and massaged simultaneously. This not only fails to fully meet users' needs for a comprehensive massage but also significantly reduces the massage effect, resulting in a poor overall user experience.
[0004] However, the dual-ball fixed massage arm also faces serious problems in practical applications. When performing the 3D ejection action, both the upper and lower massage balls are ejected outwards simultaneously. In certain local areas, the ejection method of the lower ball arm is relatively rigid, lacking flexibility and adaptability, which often brings an unpleasant feeling of excessive hardness to the user, seriously affecting the user's comfort during the massage process, and may even cause some users to develop a resistance to massage, greatly limiting the market competitiveness and user acceptance of existing 3D massage mechanisms.
[0005] As consumers increasingly demand higher quality and comfort from massage devices, and with the growing competition in the massage equipment market, the existing structural defects of massage arms urgently need to be effectively addressed in order to promote the further development and innovation of massage mechanism technology. Utility Model Content
[0006] A key advantage of this invention is that it provides a massage mechanism and its massage arm, wherein the massage arm includes an upper ball arm and a lower ball arm. The upper ball arm is a fixed structure, while the lower ball arm is a movable structure. This design ensures that the upper ball arm maintains sufficient massage thrust to meet the needs of deep muscle massage and effective stimulation, while simultaneously addressing the problem of excessive stiffness caused by an unreasonable thrusting method in the lower ball arm during massage. This significantly improves the overall comfort and experience for users receiving 3D massage, enhances the product's market competitiveness, and provides users with a higher quality and more personalized massage service.
[0007] Another advantage of this invention lies in providing a massage mechanism and its massage arm. The massage arm features a separate upper and lower ball arm structure. The fixed upper ball ensures a continuous and stable supply of effective massage force during the massage process, precisely stimulating and massaging key acupoints and muscle groups, fully leveraging the advantages of traditional single-ball or double-ball fixed massage arms in terms of massage force. Simultaneously, the lower ball arm's design allows for vertical rotation conforming to the body's curves, greatly expanding the massage coverage area. Compared to single-ball fixed massage arms, it can more comprehensively target different parts of the body and muscle contours, effectively compensating for the limitations of their massage area and achieving a comprehensive, multi-layered massage effect.
[0008] Another advantage of this invention is that it provides a massage mechanism and its massage arm. The massage arm, through an adaptive rotation design of the lower ball arm, can automatically adjust the ejection angle and force according to the curves and muscle elasticity of different parts of the body during the 3D ejection process. This avoids the discomfort caused by the stiff ejection of the lower ball arm in traditional double-ball fixed massage arms. This adaptive mechanism makes the massage process gentler and more natural, highly compatible with the physiological structure and massage needs of the human body, bringing users an unprecedentedly comfortable massage experience and significantly improving user satisfaction and acceptance of the 3D massage mechanism.
[0009] Another advantage of this invention is that it provides a massage mechanism and its massage arm. The separate upper and lower ball arm structure of the massage arm optimizes and upgrades the traditional massage arm structure without adding too many complex components or increasing costs. Its simple yet ingenious design not only solves key problems in existing technologies but also facilitates subsequent manufacturing and maintenance. During production, the structure is easy to assemble and debug, effectively improving production efficiency and product quality stability. In use, it exhibits high reliability, reducing the risk of malfunctions due to unreasonable structure, lowering maintenance costs, and demonstrating good economic benefits and practical value.
[0010] According to one aspect of the present invention, a massage mechanism of the present invention, which can achieve the aforementioned objectives and other objectives and advantages, includes: a mechanism body and a massage arm, wherein the massage arm includes a massage arm support, at least one upper ball arm and at least one lower ball arm disposed on the massage arm support, wherein the upper ball arm is fixed to one end of the massage arm support, and the lower ball arm is movably disposed on the massage arm support.
[0011] According to one embodiment of the present invention, the upper ball arm extends upward from the end of the massage arm support, the lower ball arm extends downward from the end of the massage arm support, and there is an adjustable angle between the upper ball arm and the lower ball arm. An external force drives the lower ball arm to adjust the angle between the upper ball arm and the lower ball arm and the distance between the massage balls.
[0012] According to one embodiment of the present invention, the massage arm support includes a first support unit and a second support unit, wherein the first support unit and the second support unit are disposed opposite to each other, and the first support unit is fixedly connected to the second support unit.
[0013] According to one embodiment of the present invention, the massage arm support has a proximal end and a distal end extending integrally outward from the proximal end, wherein the upper ball arm and the lower ball arm are disposed at the proximal end of the massage arm support.
[0014] According to one embodiment of the present invention, the upper ball arm is fixedly disposed on the outside of the first support unit or the second support unit.
[0015] According to one embodiment of the present invention, a movable mounting groove is provided between the first support unit and the second support unit, and the lower ball arm is pivotally disposed in the movable mounting groove between the first support unit and the second support unit. When the lower ball arm is subjected to an external force, it can rotate within the movable mounting groove.
[0016] According to one embodiment of the present invention, the massage arm further includes a reset mechanism, wherein the reset mechanism is disposed on the massage arm support and connected to the lower ball arm, the reset mechanism provides a pre-tightening force to the lower ball arm, and when the lower ball arm is rotated to a specific position by an external force, the reset mechanism can drive the lower ball arm to return to the initial position.
[0017] According to one embodiment of the present invention, the reset mechanism includes an elastic element, a first reset unit, and a second reset unit, wherein the first reset unit is disposed in the first support unit or the second support unit of the massage arm bracket, the second reset unit is disposed in the lower ball arm, and the elastic element connects the first reset unit and the second reset unit.
[0018] According to one embodiment of the present invention, the massage arm further includes at least one limiting member, wherein the limiting member is disposed on the massage arm bracket and corresponds to the lower support arm of the lower ball arm, for limiting the movement stroke of the lower ball arm.
[0019] According to another aspect of this application, this application further provides a massage arm, including a massage arm support, at least one upper ball arm and at least one lower ball arm disposed on the massage arm support, wherein the upper ball arm is fixed to one end of the massage arm support, and the lower ball arm is movably disposed on the massage arm support, further including a reset mechanism, wherein the reset mechanism is disposed on the massage arm support and connected to the lower ball arm, and the reset mechanism provides a pre-tightening force to the lower ball arm.
[0020] The further objectives and advantages of this invention will become fully apparent from the following description and accompanying drawings.
[0021] These and other objects, features and advantages of this invention will be fully apparent from the following detailed description and accompanying drawings. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the overall structure of the massage arm according to the first preferred embodiment of the present invention.
[0023] Figure 2 This is an exploded view of the massage arm according to the first preferred embodiment of the present invention.
[0024] Figure 3 This is a schematic diagram of the operation of the massage arm according to the first preferred embodiment of the present invention. Detailed Implementation
[0025] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art. The basic principles of the present invention defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.
[0026] Those skilled in the art should understand that, in the disclosure of this utility model, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limitations on this utility model.
[0027] It is understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be multiple, and the term "a" should not be understood as a limitation on the number.
[0028] Refer to the accompanying drawings in this application specification. Figures 1 to 3 As shown, a massage mechanism and its massage arm according to a first preferred embodiment of this application will be described in the following description. The massage mechanism includes a mechanism body and at least one massage arm disposed on the mechanism body. The massage arm includes a massage arm support 10, at least one upper ball arm 20 and at least one lower ball arm 30 disposed on the massage arm support 10. The upper ball arm 20 is fixed to one end of the massage arm support 10, and the lower ball arm 30 is movably disposed on the massage arm support 10, that is, the upper ball arm 20 and the lower ball arm 30 can move with the movement of the massage arm support 10 to realize kneading, tapping and other actions of the massage arm. The upper ball arm 20 is fixed to one end of the massage arm support 10, so when the massage arm support 10 moves in a specific direction, the upper ball arm 20 moves with the movement of the massage arm support 10. The lower ball arm 30 is movably mounted on the massage arm support 10. That is, when the lower ball arm 30 receives an external force, it can move or rotate relative to the massage arm support 10 to adjust the massage angle and intensity. For example, the lower ball arm 30 can rotate up and down to conform to the curve of the human body to achieve an adaptive effect.
[0029] It is worth mentioning that this utility model relates to a novel 3D massage mechanism, which is designed for use in various massage devices, such as massage chairs and massage sofas, to provide users with a higher quality and more comfortable massage experience. The entire 3D massage mechanism comprises several key components, among which the massage arm, as the part that directly contacts the user's body and performs massage actions, plays a core role in realizing the advantages of this utility model through its structural design.
[0030] The massage arms are arranged in pairs at corresponding positions within the mechanism, and each massage arm adopts the unique upper and lower ball arm separate structure design of this invention. These massage arms cooperate with the drive mechanism and transmission components inside the mechanism through a reasonable connection method to ensure that they can receive driving force from the power source of the mechanism, thereby accurately performing various massage actions, including but not limited to kneading, tapping, and 3D ejection functions.
[0031] In detail, the upper ball arm 20 extends upward from the end of the massage arm support 10, and the lower ball arm 30 extends downward from the end of the massage arm support 10. The upper ball arm 20 and the lower ball arm 30 have an adjustable angle. An external force drives the lower ball arm 30 to adjust the angle between the upper ball arm 20 and the lower ball arm 30, as well as the distance between the massage balls.
[0032] Understandably, the upper ball arm is fixed at a specific position on the massage arm and connected to the massage arm support via high-strength and highly stable connecting components (such as specially designed fixing bolts or interlocking structures). This fixing method ensures that the upper ball arm maintains its predetermined position and angle during the massage process, especially during the 3D ejection motion, providing a stable and reliable force for the massage. For example, the upper ball arm can be made of medical-grade silicone or similar materials with suitable hardness and elasticity, and its surface is finely polished to ensure both effective massage force and a comfortable feel when in contact with the human body.
[0033] The massage arm support connected to the upper ball arm is made of high-quality engineering plastics or lightweight metal alloys, possessing sufficient strength to withstand various forces during the massage process, while also achieving efficient force transmission while ensuring a reasonable overall weight of the mechanism. Internally, the massage arm support is designed with a connection interface adapted to the mechanism's transmission structure, allowing for precise reception of power from the transmission components to drive the upper ball arm in performing corresponding massage movements.
[0034] The lower ball arm is connected to the massage arm support via a movable connection structure (screw or rivet), which allows the lower ball arm to rotate up and down relative to the massage arm support. Specifically, this movable connection structure can employ a design similar to a hinge joint combined with elastic cushioning elements. For example, a small hinge with a certain degree of rotational freedom can be provided at the connection point, and elastic cushioning elements such as elastic rubber rings or small springs can be arranged around the hinge.
[0035] When the massage mechanism performs the 3D push-out function, as the entire massage arm extends outward, the lower ball arm adaptively rotates up and down to conform to the curves of the human body. When contacting different parts of the body, such as the sides of the spine on the back, the shoulder curves, and other uneven areas, the lower ball arm automatically adjusts its angle and position according to the actual contour of the human body, relying on the rotational freedom of the movable connection structure and the elastic deformation of the elastic cushioning element. In this way, the lower ball arm can make contact with the human body in a gentle and conforming manner, avoiding the problem of excessive hardness in some areas caused by rigid push-out of traditional double-ball fixed massage arms, effectively improving user comfort.
[0036] like Figure 2As shown, the massage arm support 10 includes a first support unit 11 and a second support unit 12, wherein the first support unit 11 and the second support unit 12 are disposed opposite to each other, and the first support unit 11 and the second support unit 12 are fixedly connected. The massage arm support 10 has a proximal end and a distal end extending integrally outward from the proximal end, wherein the upper ball arm 20 and the lower ball arm 30 are disposed at the proximal end of the massage arm support 10.
[0037] In this preferred embodiment of the present application, the upper ball arm 20 is fixedly disposed on the outside of the first support unit 11 or the second support unit 12. As an example, in this preferred embodiment of the present application, the upper ball arm 20 is fixed to the outside of the first support unit 11. A movable mounting groove is provided between the first support unit 11 and the second support unit 12, and the lower ball arm 30 is pivotally disposed in the movable mounting groove between the first support unit 11 and the second support unit 12, allowing the lower ball arm 30 to rotate within the movable mounting groove when subjected to an external force.
[0038] The massage arm further includes a reset mechanism 40, wherein the reset mechanism 40 is disposed on the massage arm support 10 and connected to the lower ball arm 30. The reset mechanism 40 provides a pre-tightening force to the lower ball arm 30. When the lower ball arm 30 is rotated to a specific position by an external force, the reset mechanism 40 can drive the lower ball arm 30 to return to the initial position.
[0039] The reset mechanism 40 is implemented as an elastic element such as a torsion spring, spring, tension spring, or rubber band.
[0040] It is worth mentioning that when the massage arm is subjected to external force, it moves at a certain angle in the mounting groove. After the external force disappears, it resets itself through a tension spring, torsion spring, or hydraulic rod, or it moves back and forth through a motor reduction gearbox structure and a connecting rod, thereby simulating the kneading action of a human hand.
[0041] Specifically, the reset mechanism 40 includes an elastic element 41, a first reset unit 42, and a second reset unit 43. The first reset unit 42 is disposed on the first support unit 11 or the second support unit 12 of the massage arm support 10, and the second reset unit 43 is disposed on the lower ball arm 30. The elastic element 41 connects the first reset unit 42 and the second reset unit 43.
[0042] The upper ball arm 20 includes an upper support arm 21 and at least one upper massage ball 22 disposed on the upper support arm 21, wherein the upper massage ball 22 is disposed at the end of the upper support arm 21; the lower ball arm 30 includes a lower support arm 31 and at least one lower massage ball 32 disposed on the lower support arm 31, wherein the lower massage ball 32 is disposed at the end of the lower support arm 31.
[0043] The massage arm further includes at least one limiting member 50, wherein the limiting member 50 is disposed on the massage arm support 10 and corresponds to the lower support arm 31 of the lower ball arm 30, for limiting the travel of the lower ball arm 30. Preferably, in this preferred embodiment of the present application, the limiting member 50 is implemented as an elastic rubber element, which can reduce noise generated by the collision of the lower ball arm 30.
[0044] The massage mechanism operates as follows: When the massage mechanism is initially in a state where the 3D ejection function is not activated, both the upper and lower ball arms of the massage arm are in a naturally relaxed position, awaiting power commands from the mechanism's drive system. When the user selects to activate a massage program with the 3D ejection function, the drive motor inside the mechanism (e.g., a motor specifically designed to control the 3D ejection action) begins to operate. Power is transmitted to the transmission branch where the massage arm is located through a series of transmission gears, worm gears, and other transmission components (the design and selection of these transmission components are optimized according to the specific torque, speed, and other parameter requirements of the mechanism).
[0045] As power is transmitted, the massage arms begin to perform 3D ejection movements. Supported by a fixed structure, the upper arm moves stably outward along a preset ejection direction, with the ejection force and displacement precisely controlled by the motor speed, transmission ratio, and related parameters. Simultaneously, the lower arm, through its rotatable connecting structure, begins to adaptively rotate according to the body's curves the moment it contacts the skin. For example, when the ejection action targets relatively thin back muscles, the lower arm rotates slightly upward, reducing the ejection force perpendicular to the skin surface and making it more conform to the body's physiological structure. Conversely, when encountering areas with thicker muscles, the lower arm rotates appropriately downward based on pressure feedback, ensuring sufficient contact and massage of deep muscle tissue, maintaining a comfortable massage sensation throughout the entire process.
[0046] During this process, the coordinated movements of the upper and lower massage arms are not simply synchronous or independent, but rather achieve a dynamically balanced massage effect through the overall structure of the massage arms and their precise coordination with the mechanism's transmission system. The upper massage arm maintains a stable massage intensity output, meeting the need for deep stimulation of acupoints and muscles, while the lower massage arm, through adaptive rotation, effectively compensates for the massage adaptability issues caused by differences in the human body's curves. Together, they greatly enhance the user's experience during the 3D push-out massage.
[0047] In kneading mode, the kneading drive mechanism of the massager (such as a transmission link consisting of a kneading motor and a kneading eccentric shaft) starts working, driving the massage arms to perform periodic oscillating movements. At this time, the upper and lower ball arms also work together. The upper ball arm provides basic pressure support for the kneading movement at a fixed position and angle, while the lower ball arm flexibly rotates up and down to adjust according to the oscillation of the massage arms and the contact with the body. This allows it to better conform to the muscle contours of different parts of the body during kneading. Whether it is the waist, shoulders, or legs, a uniform and comfortable kneading effect can be achieved, as if simulating the flexible kneading movements of a human hand, enhancing the overall massage comfort and effect.
[0048] When the tapping mode is activated, the tapping drive component (such as a tapping motor that works with a tapping eccentric shaft via belt drive) drives the massage arms to produce rapid reciprocating motions to simulate tapping actions. The upper arm delivers rapid and rhythmic tapping force during this process, while the lower arm, through its adaptive rotation mechanism, adjusts its angle instantaneously according to the specific area being tapped each time it contacts the body. This avoids discomfort caused by harsh tapping, making the tapping action more elastic and comfortable, effectively relaxing muscles and enhancing the user's experience during the tapping massage.
[0049] Through the functional performance of the massage arm under different massage modes, it can be seen that the upper and lower ball arm separate arm structure of this utility model can play a unique advantage in a variety of massage function scenarios, significantly improve the problems existing in the design of the massage arm of the existing 3D massage mechanism, and provide users with a higher quality, more comfortable and human-fitting massage experience.
[0050] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are merely examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The function and structural principle of the present invention have been shown and explained in the embodiments. Without departing from the described principle, the implementation of the present invention may have any variations or modifications.
Claims
1. A massage mechanism, characterized in that, include: Movement body; and A massage arm, wherein the massage arm includes a massage arm support, at least one upper ball arm and at least one lower ball arm disposed on the massage arm support, wherein the upper ball arm is fixed to one end of the massage arm support, and the lower ball arm is movably disposed on the massage arm support.
2. The massage mechanism according to claim 1, wherein the upper ball arm extends upward from the end of the massage arm support, the lower ball arm extends downward from the end of the massage arm support, and there is an adjustable angle between the upper ball arm and the lower ball arm, wherein an external force drives the lower ball arm to adjust the angle between the upper ball arm and the lower ball arm and the distance between the massage balls.
3. The massage mechanism according to claim 2, wherein the massage arm support includes a first support unit and a second support unit, wherein the first support unit and the second support unit are disposed opposite to each other, and the first support unit is fixedly connected to the second support unit.
4. The massage mechanism according to claim 3, wherein the massage arm support has a proximal end and a distal end extending integrally outward from the proximal end, wherein the upper ball arm and the lower ball arm are disposed at the proximal end of the massage arm support.
5. The massage mechanism according to claim 4, wherein the upper ball arm is fixedly disposed on the outside of the first support unit or the second support unit.
6. The massage mechanism according to claim 5, wherein a movable mounting groove is provided between the first support unit and the second support unit, and the lower ball arm is pivotally disposed in the movable mounting groove between the first support unit and the second support unit, and the lower ball arm can rotate within the movable mounting groove when it is subjected to an external force.
7. The massage mechanism according to claim 6, wherein the massage arm further includes a reset mechanism, wherein the reset mechanism is disposed on the massage arm support and connected to the lower ball arm, the reset mechanism provides a pre-tightening force to the lower ball arm, and when the lower ball arm is rotated to a specific position by an external force, the reset mechanism can drive the lower ball arm to return to the initial position.
8. The massage mechanism according to claim 7, wherein the reset mechanism includes an elastic element, a first reset unit and a second reset unit, wherein the first reset unit is disposed in the first support unit or the second support unit of the massage arm bracket, the second reset unit is disposed in the lower ball arm, and the elastic element connects the first reset unit and the second reset unit.
9. The massage mechanism according to claim 7, wherein the massage arm further includes at least one limiting member, wherein the limiting member is disposed on the massage arm support and corresponds to the lower ball arm, for limiting the travel of the lower ball arm.
10. A massage arm, characterized in that, The device includes a massage arm support, at least one upper ball arm and at least one lower ball arm disposed on the massage arm support, wherein the upper ball arm is fixed to one end of the massage arm support, and the lower ball arm is movably disposed on the massage arm support. It further includes a reset mechanism disposed on the massage arm support and connected to the lower ball arm, wherein the reset mechanism provides a pre-tightening force to the lower ball arm.