TWI768894B - Roller - Google Patents

Abstract

A roller includes a cylindrical body, a plurality of massage pieces and a rotating assembly. The cylindrical body has an axis. The plurality of massage pieces is arranged around the outer periphery of the cylinder body. The rotating assembly penetrates at the axis of the cylindrical body and is connected to the plurality of massage pieces. The rotating assembly is suitable for rotating relative to the cylindrical body along the axis of the cylindrical body, so that the rotating assembly drives the plurality of massage pieces to move in the radial direction of the cylindrical body. Thereby, the roller could be adjusted in a retracted position and an extended position, and the outer diameter of the roller could be changed.

Description

roller

The present disclosure relates to a drum, in particular to a drum that can adjust the overall diameter of the drum.

The materials of traditional massage rollers are mostly made of PE, EVA, and foamed olefin resin, and they are mostly integrally formed in structure, and their dimensions are mostly fixed. In response to the massage needs of different body parts, the diameter of traditional massage rollers is usually 10 cm to 15 cm. In the relaxation exercise of Self-Myofascial Release (SMR), the massage lines and roller sizes suitable for each muscle group are slightly different, so two to three different lines and diameters need to be matched in use. The massage roller can achieve the best effect of soothing muscle groups.

The size of traditional massage rollers cannot be fine-tuned. If you feel uncomfortable when using different postures and muscle groups, you can only find another roller of suitable size, which results in the inconvenience and economic burden of carrying multiple rollers.

In view of the above, in one embodiment, a roller is provided, which includes a cylindrical body, a plurality of massage sheets and a rotating assembly. The cylindrical body has an axis. A plurality of massage sheets are movably arranged around the outer periphery of the cylinder body. The rotating component is penetrated through the axis of the cylinder body and is connected to the plurality of massage pieces. The rotating component is adapted to rotate relative to the cylindrical body along the axis to drive the plurality of massage pieces to move in the radial direction of the cylindrical body.

In some embodiments, the rotating assembly includes a central shaft and two rotary driving members, the central shaft is penetrated through the axis of the cylindrical body, and the two rotary driving members are respectively disposed at opposite ends of the cylindrical body. Each rotary drive member includes a linear orbital disk, an arcuate orbital disk, and a plurality of passive rods. The linear track disk is arranged on the central axis, and the linear track disk has a plurality of linear tracks. The arc track plate is arranged on the central axis, and the arc track plate is located at the outer side of the cylinder body compared with the straight track plate. The arc-track disk has a plurality of arc-shaped tracks, and each arc-shaped track and each linear track correspond to each other in a one-to-one relationship. One end of each passive rod is fixed on one of the corresponding plural massage pieces, and the other end is penetrated in the corresponding straight track and an arc track.

In some embodiments, the cylindrical body has a plurality of positioning holes, and the drum further includes positioning components assembled at either end of the opposite ends of the cylindrical body. The positioning assembly includes a guide piece and an operating rod. The guide piece is protrudingly arranged on the arc track plate. The operating rod is penetrated in the guide piece, can move along the radial direction of the cylinder body, and is penetrated in one of the plurality of positioning holes.

In some embodiments, the cylindrical body has a plurality of positioning holes, and the drum further includes a positioning component assembled on either end of the cylindrical body. The positioning assembly includes a decorative cover, a guide piece and an operating rod. The decorative cover is passed through the central axis and assembled on the arc track plate. The guide piece is protrudingly arranged on the surface of the decorative cover facing the arc track plate. One end of the operating rod passes through the decorative cover and penetrates into the guide piece, and the operating rod can move radially along the cylinder body and penetrates through one of the plurality of positioning holes.

In some embodiments, the operating lever includes a lever, a spring and a pressing portion, the pressing portion is disposed on one end of the lever, and the lever is passed through the guide piece. The spring is sleeved on the rod, one end is abutted against the rod, and the other end is abutted against the guide piece.

In some embodiments, when the rotating assembly is in the retracted position, a plurality of massage sheets are arranged adjacent to each other and completely cover the outer periphery of the cylindrical body. When the rotary assembly is rotated to the extended position, the phase A gap is formed between two adjacent massage pieces, and the distance between each massage piece and the outer periphery of the cylinder body is the same.

In some embodiments, the plurality of massage sheets are made of foam.

In some embodiments, the plurality of massage sheets are elongated and extend along the axial direction of the cylindrical body.

In some embodiments, the plurality of massage sheets include at least two different concave and convex textures.

To sum up, the roller of the embodiment of the present disclosure can drive the massage sheet to contract inwardly or extend outwardly along the radial direction of the cylindrical body by setting the rotating component, so as to adjust the overall diameter of the roller to meet the needs of different muscle groups and different strengths. use. Allows athletes to fine-tune the self-myofascial relaxation movements for each muscle group by only carrying a roller.

100: Roller

10: Cylinder body

11: Positioning hole

20: Massage tablets

30: Rotary components

31: Center shaft

32: Rotary drive

321: Linear Orbit Disc

3211: Linear track

322: Arc Orbit Disc

3221: Arc Orbit

3222: Recess

323: Passive Rod

3231: Straight rod

3232: Crossbar

40,50: Positioning components

41: Decorative cover

411: Projection

42,51: Guide film

43,52: Joystick

431: Rod

432: Spring

433,53: Press part

C: axis

D1: first diameter

D2: Second diameter

S: Clearance

[FIG. 1] is a perspective exploded schematic view of the roller according to the first embodiment of the present disclosure.

2A is a schematic side view of the roller according to the first embodiment of the present disclosure when the roller is positioned at the retracted position.

2B is a schematic side view of the roller according to the first embodiment of the present disclosure when the roller can be actuated at the retracted position.

2C is a schematic side view of the first embodiment of the present disclosure when the drum is rotated to the first extended position.

[FIG. 3] is a three-dimensional schematic view of the roller in the retracted position according to the first embodiment of the present disclosure.

4 is a schematic side view of the roller in the retracted position according to the first embodiment of the present disclosure.

5 is a perspective view of the roller in the first extending position according to the first embodiment of the present disclosure.

6 is a schematic side view of the roller in the first extension position according to the first embodiment of the present disclosure.

7 is a perspective view of the roller in the second extending position according to the first embodiment of the present disclosure.

8 is a schematic side view of the roller in the second extending position according to the first embodiment of the present disclosure.

[FIG. 9] is a perspective exploded schematic view of the roller according to the second embodiment of the present disclosure.

Various embodiments are provided below for detailed description. However, the embodiments are only used as examples, and do not limit the scope of protection of the present disclosure. In addition, some elements are omitted from the drawings in the embodiments to clearly show the technical features of the present disclosure. The same reference numbers will be used throughout the drawings to refer to the same or similar elements.

1 is a schematic exploded perspective view of the roller according to the first embodiment of the present disclosure, FIG. 2A is a schematic side view of the roller in the retracted position according to the first embodiment of the disclosure, and FIG. 2B is the movable roller in the retracted position according to the first embodiment of the disclosure. 2C is a schematic side view of the roller rotated to the first extended position according to the first embodiment of the disclosure, FIG. 3 is a schematic perspective view of the roller in the retracted position according to the first embodiment of the disclosure, and FIG. A schematic side view of a roller in a retracted position according to an embodiment, FIG. 5 is a schematic perspective view of a roller in a first extended position according to a first embodiment, and FIG. 6 is a schematic side view of a drum in a first extended position according to the first embodiment 7 is a schematic perspective view of the roller in the second extension position according to the first embodiment, and FIG. 8 is a schematic side view of the drum in the second extension position according to the first embodiment.

As shown in FIG. 1 and FIG. 3 , the drum 100 can be designed in a long straight cylindrical shape, and can also be designed with different diameters at different positions according to requirements. In addition, the length and diameter of the drum 100 can also be adjusted and designed according to needs, and the present disclosure is not limited thereto. FIG. 2A is viewed from one end of the drum 100, and some components are shown in a perspective manner to facilitate understanding and description of the internal structure.

As can be seen from FIGS. 1 to 3 , the drum 100 includes a cylindrical body 10 , a plurality of massage sheets 20 and a rotating assembly 30 . The cylindrical body 10 has an axis C. A plurality of massage sheets 20 can move around the device It is placed on the outer periphery of the cylindrical body 10 . In this embodiment, six massage sheets 20 are provided as an example for description. As shown in FIG. 2A and FIG. 3 , the six massage sheets are arranged adjacent to each other, and when the rotating assembly 30 is in the retracted position, it will completely cover The outer periphery of the cylindrical body 10 to form a complete circular drum 100 .

On the surface of each massage sheet 20 , one or more concave-convex patterns can be arranged according to requirements. For example, all the massage sheets 20 may have the same concave-convex pattern, or the same group of spaced massage sheets 20 (for example, the first, third, and fifth sheets) may have the same pattern, and another group of spaced massage pieces 20 may have the same pattern. Sheets 20 (eg, sheets 2, 4, and 6) are another texture. Or the 1st to 3rd pieces are one kind of grain, and the 4th to 6th pieces are one kind of grain. Even each massage sheet 20 can have different textures. When designing, different concave and convex patterns can be set according to the massage needs of different muscle groups to suit different usage situations or objects.

In addition, it can be seen from FIG. 3 that the massage sheet 20 is elongated, extends along the axial direction of the cylindrical body 10, and extends from one end to the other end. However, the present disclosure is not limited to this, and the massage sheets 20 may also be formed by splicing plural pieces, and the entire surface of the cylindrical body 10 may be covered. Similarly, the splicing arrangement of the massage sheets 20 can also be used to arrange the massage demands of different positions of the muscle groups.

In addition, the material of the massage sheet 20 can also be adjusted according to requirements, and in this embodiment, the material of the massage sheet 20 is made of foam as an example. However, the massage sheet 20 can also be made of different soft and hard plastics or silicones. According to different parts and muscle groups, better massage effects can be further obtained through the design of materials and surface textures. users with different needs.

Next, please refer to FIGS. 3 to 8 . In FIGS. 3 to 8 , the positioning element 40 is omitted for the convenience of description, and the structure and actuation mechanism of the positioning element 40 will be described in detail later. In addition, in some embodiments, the positioning assembly 40 may not be provided, and only the cylindrical body 10 and the plurality of massage sheets 20 may be used. and the rotating assembly 30 to complete the contraction and expansion of the drum 100 . The rotating assembly 30 is passed through the axis C of the cylindrical body 10 and is connected to the plurality of massage sheets 20 . The rotating assembly 30 is suitable for a self-contracting position (as shown in FIG. 4 ) along the axis C of the cylindrical body 10 relative to the circle The cylinder body 10 rotates (as shown in FIG. 6 and FIG. 8 ) to drive the plurality of massage sheets 20 to move along the radial direction of the cylinder body 10 .

Thereby, the roller 100 can drive the massage sheet 20 to contract inwardly or extend outwardly along the radial direction of the cylindrical body 10 by operating the rotating component 30, so as to adjust the overall diameter of the roller 100 to satisfy different muscle groups and different strengths usage of. Allows athletes to fine-tune the self-myofascial relaxation movements for each muscle group by only carrying a roller.

It can be seen from FIG. 1 and FIG. 3 , in this embodiment, the rotating assembly 30 includes a central shaft 31 and two rotary driving members 32 , the central shaft 31 penetrates through the axis C of the cylindrical body 10 , and the two rotary driving members 32 are respectively provided on opposite ends of the cylindrical body 10 . Since the rotary driving members 32 at the two ends have a relatively symmetrical structure, the following will be described in detail with the rotary driving member 32 on one side.

Each rotary drive member 32 includes a linear orbital disk 321 , an arcuate orbital disk 322 and a plurality of passive rods 323 . The linear track plate 321 is inserted through the central shaft 31 and fixed to the cylindrical body 10 , so that the linear track plate 321 cannot rotate relative to the cylindrical body 10 . The linear track disk 321 has a plurality of linear tracks 3211 . The arc track plate 322 passes through the central axis 31 and is located at the outer side of the cylindrical body 10 than the straight track plate 321 . The arc track disk 322 can rotate relative to the cylindrical body 10 with the central axis 31 as the axis. The arc-shaped track disk 322 has a plurality of arc-shaped tracks 3221, and each of the arc-shaped tracks 3221 and each of the linear tracks 3211 correspond to each other in a one-to-one relationship. As can be seen from FIG. 1 , since there are 6 massage sheets 20 in this embodiment, 6 linear rails 3211 and 6 arcuate rails 3221 are also correspondingly provided.

One end of each passive rod 323 is fixed to one of the corresponding plurality of massage sheets 20, and the other One end passes through the corresponding straight rail 3211 and an arc rail 3221 . It can be seen from FIG. 1 that the passive rod 323 can be an inverted T-shaped structure and has a straight rod portion 3231 and a horizontal rod portion 3232. One end of the straight rod portion 3231 is fixed to the massage sheet 20, and the other end is connected to the horizontal rod through the cylindrical body 10. Section 3232. The cross bar portion 3232 is inserted through the linear rail 3211 and the arc-shaped rail 3221 , and reciprocates in the linear rail 3211 and the arc-shaped rail 3221 .

As shown in FIG. 3 and FIG. 4 , when the rotating assembly 30 is in the retracted position, the massage sheets 20 are disposed adjacent to each other and completely cover the outer periphery of the cylindrical body 10 . At this time, most of the passive rod 323 is retracted and accommodated in the cylindrical body 10 , and the transverse rod portion 3232 is located at one end of the linear rail 3211 and the arc rail 3221 . At this time, the drum 100 has a first diameter D1, and the first diameter D1 is about 10 cm. When it is desired to have a larger outer diameter of the roller 100 for use by users with different muscle groups or different physiques, the rotation assembly 30 can be operated to the extended position. As shown in FIG. 5 and FIG. 6 , by rotating the arc track plate 322 counterclockwise, the cross bar portion 3232 of the passive rod 323 will drive the passive rod 323 along the cylindrical body 10 under the limit of the straight track 3211 and the arc track 3221 . The radial direction extends outward to the first extended position.

Then, when the arc track plate 322 is continuously rotated counterclockwise, the cross bar portion 3232 of the passive rod 323 will drive the passive rod 323 to continue to move toward the radial direction of the cylindrical body 10 under the limit of the linear track 3211 and the arc-shaped track 3221. The outer extension extends to the second extension position, which is the position shown in FIGS. 7 and 8 . At this time, the massage sheets 20 are pushed outward to the farthest distance from the cylinder body 10, so that a gap S is formed between the massage sheets 20, and the distance between each massage sheet 20 and the outer periphery of the cylinder body 10 is the same, and the roller 100 has a second diameter D2. The second diameter D2 of the drum 100 may be about 15 to 16 cm.

Here, the maximum outer diameter of the drum 100 is at the retracted position (the first diameter D1 ) and the extension The size of the exhibition position (the second diameter D2) can be adjusted as needed to make it meet the needs of the largest number of people as much as possible. In addition, the gap S formed between the massage sheets 20 can make the massage pattern felt by the user deepen during use, thereby enhancing the massage intensity, which is suitable for higher intensity self-myofascial relaxation.

In addition, the outer diameter of the extended position can also be adjusted by rotating the arc track plate 322 . Or use a set of positioning components 40 to position the arc track plate 322 at different extension positions, so that it can generate multiple sets of different outer diameters to increase its applicable range to meet the needs of more users (details). described later).

When returning to the original retracted position, the arc track plate 322 can be rotated clockwise, so that the cross bar 3232 of the passive rod 323 drives the passive rod 323 along the cylinder under the limit of the straight track 3211 and the arc track 3221 The radial direction of the body 10 is retracted inwards to a retracted position. At this time, under the action of the passive rod 323, the massage sheet 20 will be driven to move toward the cylinder body 10 and pulled back to the retracted position, so that the drum 100 returns to the size with the first diameter D1, that is, the drum 100 returns to the size of the first diameter D1. The state of FIGS. 3 and 4 . It can be seen from the above that the second diameter D2 is larger than the first diameter D1.

Next, the structure and operation mechanism of the positioning assembly 40 will be described. Referring to FIGS. 1 to 2C , the cylindrical body 10 has a plurality of positioning holes 11 . The drum 100 further includes a positioning assembly 40 assembled on either end of two opposite ends of the cylindrical body 10 . The positioning assembly 40 includes a trim cover 41 , a guide piece 42 and an operating rod 43 . In this embodiment, two guide pieces 42 and two operating rods 43 are provided as examples for illustration. In other embodiments, a single guide piece 42 and an operating lever 43 may also be provided. The decorative cover 41 passes through the central shaft 31 and is assembled on the arc track plate 322 . As shown in the figure, the decorative cover 41 can be provided with a plurality of protruding portions 411, and the curved track plate 322 can be provided with a plurality of concave portions 3222. After the two are correspondingly assembled, the decorative cover 41 can be driven to rotate, and the curved track disk can also be driven. 322 turns.

The guide piece 42 is protruded from the surface of the decorative cover 41 facing the curved track plate 322 . One end of the operating rod 43 passes through the decorative cover 41 and penetrates into the guide piece 42 , and the operating rod 43 can move radially along the cylindrical body 10 and penetrates one of the plurality of positioning holes 11 .

As shown in FIG. 2A , when the operating rod 43 is at the positioning position, one end of the operating rod 43 passes through the guide piece 42 and is inserted into a positioning hole 11 . At this time, the decorative cover 41 and the arc track plate 322 cannot be operated to rotate. When the decorative cover 41 and the arc track plate 322 are to be rotated to change the outer diameter of the drum 100, the operating levers 43 located on the upper and lower sides can be simultaneously pressed to move toward the position of the central axis 31 at the same time, so that the operating levers 43 is separated from the positioning hole 11, as shown in FIG. 2B. In this way, the decorative cover 41 and the curved track plate 322 can be rotated to the extended position, as shown in FIG. 2C .

When it is to be positioned at the first extended position as shown in FIGS. 5 and 6 or the second extended position as shown in FIGS. 7 and 8 , after rotating the decorative cover 41 and the arc track plate 322 to these positions , the operating lever 43 is moved outward until it passes through the corresponding positioning hole 11 , and can be fixed at the desired position.

In order to make the operation more convenient, in this embodiment, the operating rod 43 includes a rod member 431 , a spring 432 and a pressing portion 433 . The pressing portion 433 is disposed on one end of the rod member 431 to drive the rod member 431 of the operating lever 43 to act by operating the pressing portion 433 . In addition, the pressing portion 433 can also be extended along the axis C direction to facilitate the operation. The rod 431 penetrates through the guide piece 42 , the spring 432 is sleeved on the rod 431 , one end abuts against the rod 431 , and the other end abuts against the guide piece 42 . As shown in FIGS. 2A and 2B , when the pressing portion 433 is simultaneously pressed to move toward the central axis 31 , the spring 432 is pushed against the guide piece 42 by the rod 431 to generate a restoring force. Once the rod 431 is moved to the position opposite to the positioning hole 11 and the rod 431 is released, the rod 431 will be pushed to the positioning position by the restoring force of the spring 432 and penetrated into the positioning hole 11 .

Also, please refer to FIG. 9 , which is an exploded perspective view of the roller according to the second embodiment of the present disclosure. The same parts of this embodiment as the first embodiment will be marked with the same component symbols, and will not be repeated. The difference between this embodiment and the first embodiment lies in the structure of the positioning assembly. In this embodiment, the positioning assembly 50 includes a guide piece 51 and an operating rod 52, and the decorative cover is omitted. The guide piece 51 is protruded from the arc track plate 322 . The operating rod 52 is inserted through the guide piece 51 , can move radially along the cylindrical body 10 , and is inserted through one of the plurality of positioning holes 11 . Like the first embodiment, when the operating rod 52 is located at the positioning position, one end of the operating rod 52 passes through the guide piece 51 and penetrates into a positioning hole 11 . At this time, the arc track disk 322 cannot be operated to rotate. When the arc track plate 322 is to be rotated to change the outer diameter of the drum 100 , the operating lever 52 can be operated to move toward the position of the central axis 31 , so that the operating lever 52 is separated from the positioning hole 11 . In this way, the arc track disk 322 can be rotated to the extended position.

Similarly, for the convenience of operation, the operating rod 52 can also be provided with the spring structure as described in the first embodiment, which will not be repeated here.

In addition, in order to facilitate the movement of the operating rod 52, a pressing portion 53 can also be provided at one end of the operating rod 52, and the pressing portion 53 can also be extended along the axis C direction to facilitate operation.

To sum up, the roller 100 of each embodiment of the present disclosure can drive the massage sheet 20 to shrink inwardly or extend outwardly along the radial direction of the cylindrical body 10 by providing the rotating component 30 to adjust the overall diameter of the roller 100 . Satisfy the use of different muscle groups and different strengths. It allows the athlete only to carry one roller 100 to fine-tune the self-myofascial relaxation action for each muscle group.

100: Roller

10: Cylinder body

11: Positioning hole

20: Massage tablets

30: Rotary components

31: Center shaft

32: Rotary drive

321: Linear Orbit Disc

3211: Linear track

322: Arc Orbit Disc

3221: Arc Orbit

3222: Recess

323: Passive Rod

3231: Straight rod

3232: Crossbar

40: Positioning components

41: Decorative cover

411: Projection

42: Guide film

43: Operation lever

431: Rod

432: Spring

433: Press part

C: axis

Claims (9)

A drum, comprising: a cylindrical body with an axis; a plurality of massage sheets movably arranged around the outer periphery of the cylindrical body; and a rotating component, passing through the axis of the cylindrical body, and Connected to the massage pieces, the rotating component is adapted to rotate relative to the cylindrical body along the axis, so as to drive the massage pieces to move outward from the outer periphery of the cylindrical body along the radial direction of the cylindrical body. Change the diameter of the drum. The drum as claimed in claim 1, wherein the rotating assembly comprises a central shaft and two rotational driving members, the central shaft passing through the shaft center of the cylindrical body, and the two rotational driving members are respectively disposed on the cylindrical body The two opposite ends of each of the rotary drive members include: a linear orbital disk, which is passed through the central axis, and the linear orbital disk has a plurality of linear orbits; an arced orbital disk is passed through the central axis and the arc orbital disk is larger than the The linear track disk is located outside the cylindrical body, the arc track disk has a plurality of arc-shaped tracks, each of the arc-shaped tracks and each of the linear tracks correspond to each other in a one-to-one relationship; and a plurality of passive rods, each of which is fixed at one end In one of the corresponding massage pieces, the other end penetrates through the corresponding linear track and the arc-shaped track. The drum as claimed in claim 2, wherein the cylindrical body has a plurality of positioning holes, the drum further comprises a positioning component assembled at either end of the opposite ends of the cylindrical body, and the positioning component includes: a guide piece , protruding on the arc track plate; and an operating rod, which is penetrated in the guide piece, can move along the radial direction of the cylindrical body, and is penetrated in one of the positioning holes. The drum as claimed in claim 2, wherein the cylindrical body has a plurality of positioning holes, the drum further comprises a positioning component assembled on either end of the cylindrical body, and the positioning component includes: a decorative cover, which is inserted through the The central axis is assembled on the curved track plate; a guide piece is protruded from the surface of the decorative cover facing the curved track plate; and an operating rod, one end of which passes through the decorative cover and passes through the guide piece and the operating rod can move radially along the cylindrical body and pass through one of the positioning holes. The roller according to claim 3 or 4, wherein the operating rod comprises a rod, a spring and a pressing part, the pressing part is arranged on one end of the rod, the rod passes through the guide piece, the The spring is sleeved on the rod, one end of the spring abuts against the rod, and the other end abuts against the guide piece. The roller according to claim 1, wherein when the rotating assembly is in a retracted position, the massage sheets are arranged adjacent to each other and completely cover the outer periphery of the cylindrical body, and when the rotating assembly is rotated to an extended position, A gap is formed between two adjacent massage pieces, and the distance between each massage piece and the outer periphery of the cylinder body is the same. The roller according to claim 1, wherein the massage sheets are made of foam. The roller according to claim 1, wherein the massage sheets are elongated and extend along the axial direction of the cylindrical body. The roller according to claim 1, wherein the massage sheets comprise at least two different concave-convex textures.

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