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CN-121287472-B - Massage structure with changeable inner diameter

CN121287472BCN 121287472 BCN121287472 BCN 121287472BCN-121287472-B

Abstract

The application relates to a massage structure with a variable inner diameter, and belongs to the technical field of massage equipment. The variable inner diameter massage structure comprises a deformation assembly and a rotary sleeve, wherein the deformation assembly is sleeved on the outer side of a first massage part, the deformation assembly comprises a deformation part, a constraint part and a first joint part, the constraint part and the first joint part are respectively positioned at two ends of the deformation part along the direction of a central axis L1 of the deformation assembly, the constraint part is used for limiting movement of the deformation part, the rotary sleeve is provided with a second joint part, the first joint part and the second joint part are coupled and linked to convert rotary motion of the rotary sleeve around the axis L1 into linear reciprocating motion of the first joint part along the axis L1, and the first joint part is close to or far from the constraint part along the axis L1 to drive at least part of the deformation part to deform towards or away from the first massage part, so that the inner diameter of the deformation assembly is driven to shrink or increase. The massage structure with the variable inner diameter provided by the embodiment of the application can realize smooth and stable inner diameter size adjustment.

Inventors

  • SU YANYAN
  • WU WENQIANG

Assignees

  • 东莞市岩石电子科技有限公司

Dates

Publication Date
20260508
Application Date
20251027

Claims (17)

  1. 1. A variable inner diameter massage structure, further comprising: The deformation assembly is sleeved outside the first massage part; the deformation assembly comprises a deformation part, a constraint part and a first joint part, wherein the constraint part and the first joint part are respectively positioned at two ends of the deformation part along the direction of the central axis L1 of the deformation assembly, and the constraint part is used for limiting the movement of the deformation part; A rotating sleeve provided with a second joint part; The first joint part and the second joint part are coupled and linked to convert the rotary motion of the rotary sleeve around the axis L1 into the linear reciprocating motion of the first joint part along the axis L1; the first joint part is close to or far away from the constraint part along the axis L1, and drives at least part of the deformation part to deform towards or far away from the first massage part, so that the inner diameter of the deformation assembly is driven to be reduced or increased.
  2. 2. The variable inner diameter massage mechanism of claim 1, further comprising: A guide rail disposed along the direction of the axis L1; a first guide groove matched with the guide rail is formed in the first joint part; The cooperation of the guide rail and the first guide groove is used for restraining the moving direction of the first joint part.
  3. 3. A variable inner diameter massage structure according to claim 2, wherein, The first joint part and the second joint part are of mutually meshed thread structures; the first joint part and the rotary sleeve are opposite to each other to stop rotation; During coupling linkage, the rotary sleeve rotates, and the first joint part is driven to linearly reciprocate along the axis L1 through screw transmission.
  4. 4. A variable inner diameter massage structure according to claim 2, wherein, The first joint part is a cylinder; The second joint part is a kidney-shaped groove; the column body is movably arranged in the kidney-shaped groove, and the outer peripheral surface of the column body is attached to the inner wall of the kidney-shaped groove; an included angle a is formed between the length direction of the kidney-shaped groove and the axis L1, and the included angle a is 90 degrees and is more than a 0; during coupling linkage, the rotary sleeve rotates, the cylinder is extruded through the inner wall of the kidney-shaped groove, the cylinder is driven to move along the length direction of the kidney-shaped groove, and then the first joint part is driven to linearly reciprocate along the axis L1.
  5. 5. A variable inner diameter massage structure according to claim 2, wherein, The rotary sleeve is also provided with a first limiting part; The first guide groove is provided with a second limiting part at one end far away from the constraint part along the axis L1; The first joint part has two limit positions when in linear reciprocating movement along the axis L1; In one of the extreme positions, the first engaging portion is blocked by the first limiting portion, and in the other extreme position, the second limiting portion is blocked by the guide rail.
  6. 6. A variable inner diameter massage structure according to claim 2, wherein, The massage sleeve is elastic and is used for covering the first massage part; The deformation assembly and the rotary sleeve are sleeved outside the massage sleeve, and the deformation assembly is used for providing support for the massage sleeve so that the inner diameter of the massage sleeve reaches a set size.
  7. 7. The massage structure of claim 6, wherein the massage structure comprises a plurality of massage elements, The deformation part is in a strip-shaped structure; The number of the deformation parts is multiple, and all the deformation parts are arranged around the circumference of the massage sleeve.
  8. 8. A variable inner diameter massage structure according to claim 7, The deformation part comprises a deformation section; when the deformation part deforms towards the massage sleeve to reduce the inner diameter of the massage sleeve, the deformation section forms a main deformation occurrence area.
  9. 9. The massage structure of claim 8, wherein the massage structure comprises a plurality of massage elements, The hardness of the material of the deformation section is smaller than that of other parts of the deformation part.
  10. 10. The massage structure of claim 8, wherein the massage structure comprises a plurality of massage elements, The cross-sectional dimension of the deformation section is smaller than the cross-sectional dimension of the other portion of the deformation section in a direction perpendicular to the axis L1.
  11. 11. The variable inner diameter massage mechanism of claim 8, further comprising: the auxiliary piece is sleeved on the outer sides of all the deformation parts and is used for pushing the corresponding deformation parts to protrude towards the massage sleeve; the deformation section is the part of the deformation part corresponding to the auxiliary piece.
  12. 12. The massage structure of claim 11, wherein the massage structure comprises a plurality of massage elements, The auxiliary piece is provided with a second guide groove matched with the guide rail; the auxiliary element is configured to be movable along an axis L1 to adjust its position of action on the deformation section on the deformation.
  13. 13. The massage structure of claim 11, wherein the massage structure comprises a plurality of massage elements, The deformation part is formed by connecting a plurality of support sections in an end-to-end hinged mode.
  14. 14. The massage structure of claim 13, wherein the massage structure comprises a plurality of massage elements, A third limiting part is further arranged at one end of the supporting section; the third limiting part is positioned at one side of the supporting section, which is close to the massage sleeve; when the support section rotates to a limit position deviating from the massage sleeve around the hinging point of the support section and the adjacent support section, the third limiting part is used for blocking the support section from further rotation.
  15. 15. The massage structure of claim 6, wherein the massage structure comprises a plurality of massage elements, The deformation part comprises a reset rope and a plurality of support sections; the surface of the support section, which faces away from the constraint part along the axis L1, is a guide surface, and the guide surface is used for contacting with the adjacent support section; the interval distance between the guide surface and the constraint part gradually decreases from one side of the guide surface away from the first massage part to one side of the guide surface close to the first massage part; A third joint part is further arranged on one side of the support section, which is away from the first massage part, and is used for being clamped with one end of the adjacent support section, which is away from the constraint part; The reset rope is connected between the first joint parts and the constraint parts and passes through the third joint parts of all the support sections; The third joint part is fixedly connected with the reset rope; the first engagement portion is linearly reciprocated along the axis L1 to tighten or loosen the reset rope.
  16. 16. The massage structure of claim 15, wherein the massage structure comprises a plurality of massage elements, The support section is configured to be pushed by the first engagement portion to abut against the guide surface of the adjacent support section when the first engagement portion moves toward the restraining portion, and to move along the guide surface until a third engagement portion is engaged with the adjacent support section and overlaps itself with the adjacent support section in the radial direction of the deformation assembly; when the first joint part moves away from the constraint part, the first joint part is pulled by the reset rope to reset to a state that a surface perpendicular to the radial direction of the deformation assembly is flush with the adjacent support section; The support sections are overlapped along the radial direction of the deformation assembly so as to push the massage sleeve to deform.
  17. 17. The massage structure of claim 15, wherein the massage structure comprises a plurality of massage elements, A bump is further arranged on one side, close to the deformation part, of the first joint part; A first of said support sections is provided with a third guide groove for adapting to said projection, in a direction along axis L1 away from said first engagement portion; the third guide slot cooperates with the tab to limit the freedom of movement of the first of the support segments in the radial direction of the deformation assembly.

Description

Massage structure with changeable inner diameter Technical Field The application relates to the technical field of massage equipment, in particular to a massage structure with a variable inner diameter. Background Along with the improvement of social development and living standard, the demands of people on health care and physical relaxation are increasing, and the massage device is used as a convenient and effective physiotherapy tool and is widely applied to families and professional places. The massager for the limb part of the human body generally adopts a ring-shaped or cylindrical structure, and presses muscles in a mode of applying external pressure or internal inflation and the like so as to achieve the effects of relieving fatigue and promoting blood circulation. The existing encircling type massage structure mainly has the defects that the encircling inner diameters of a plurality of massage devices are fixed and cannot be adapted to the differences of the circumferences of different users or different parts of the same user, so that the massage pressure is uneven, the using comfort and the massage effect are affected, the massage structure with the adjusting function is partially provided with the massage structure, the problem that the air bag is inaccurate in pressure control, slow in response and noisy exists in the adjustment of the air bag in a manner of inflating and deflating the air bag or simply mechanically clamping the air bag, the stepless adjustment cannot be realized due to the fact that the mechanical clamping adjustment is in a stepped mode, the user experience is poor, the adjustment process is not smooth enough, the elastic sleeve or the flexible supporting piece is adopted in some massage structures for realizing the inner diameter change, but the massage sleeve is possibly irregularly deformed due to the lack of effective and reliable supporting and guiding in the deformation process, the pressure cannot be accurately applied to the target muscle group, and the service life is possibly influenced due to the structural distortion. Therefore, there is a strong need in the art for a variable inner diameter massage structure that enables smooth, precise stepless adjustment while providing stable, reliable support during the course of inner diameter changes. Disclosure of Invention The present application aims to solve the above problems and to provide a variable inner diameter massage structure capable of achieving smooth and stable inner diameter dimension adjustment, thereby improving the above problems. The application is realized by the following technical scheme: The application provides a massage structure with a variable inner diameter, which comprises a deformation component and a rotary sleeve, wherein the deformation component is sleeved outside a first massage part, the deformation component comprises a deformation part, a constraint part and a first joint part, the constraint part and the first joint part are respectively positioned at two ends of the deformation part along the direction of a central axis L1 of the deformation component, the constraint part is used for limiting the movement of the deformation part, the rotary sleeve is provided with a second joint part, the first joint part and the second joint part are coupled and linked to convert the rotary motion of the rotary sleeve around the axis L1 into the linear reciprocating motion of the first joint part along the axis L1, and the first joint part is close to or far away from the constraint part along the axis L1 to drive at least part of the deformation part to deform towards or away from the first massage part, so that the inner diameter of the deformation component is driven to shrink or increase. According to the technical scheme provided by the embodiment of the application, stepless adjustment of the inner diameter is realized through continuous rotation of the rotary sleeve, a user can finely adjust the pressure to the most comfortable and most effective pressure value according to own experience, experience is superior to that of the traditional stepping adjustment, and personalized requirements of the user on massage pressure are met. The existence of the deformation component ensures that the massage sleeve cannot be distorted or locally wrinkled in the deformation process, but realizes uniform radial contraction and expansion, so that the massage force is uniformly distributed, the massage effect and the comfort level are improved, the structure of the massage sleeve is also protected, and the service life is prolonged. In some embodiments, the first joint part and the second joint part are in a mutually meshed threaded structure, and when in coupling linkage, the rotary sleeve rotates, and the first joint part is driven to linearly reciprocate along the axis L1 through the threaded transmission. In the technical scheme of the embodiment of the application, the thread transmission provides extre