TWM632150U - Massage bar - Google Patents

Abstract

A massage stick, comprising a first body including a first bottom surface, a first top surface and two first side surfaces, a second body including a second bottom surface, a second top surface and two second side slopes, and a third body disposed on the second top surface and away from the first body. The junctions of the first side surfaces and the first bottom surface form two first stable edges. The second body extends from the first body along a length direction, the second top surface is lower than the first top surface in a height direction, and the junctions of the second side slopes and the second bottom surface form two separate Corresponding to the second stable edges of the first stable edges, each second stable edge is collinear with the respective first stable edge. The third body includes a third top surface, and the third top surface is higher than the second top surface but lower than the first top surface in the height direction.

Description

massage stick

The new model relates to a massager, in particular to a massage stick.

As shown in FIG. 1 , a conventional massager 1 includes a protruding first massage part 101 and a protruding second massage part 102 . In this way, when the user feels physical discomfort or fatigue, he can hold the massager 1 and use the first massage part 101 or the second massage part 102 to massage the muscles, meridians and acupoints in the uncomfortable part, so that the Relieve discomfort, but in actual use, the user must exert force through the hands, wrists, arms, shoulders and other body parts to massage the affected area repeatedly, and in order to effectively massage the affected area, the user often also needs to massage the affected area. Posing into an unnatural and tense posture, therefore, if you press for too long, it will often cause repetitive strain injury (RSI, Repetitive strain injury) in the part of the body that is responsible for exerting force. It is understandable that other conventional Curved or rollable massagers can also create the same problems in use.

Therefore, it is an object of the present invention to provide a massage stick that overcomes at least one of the disadvantages of the prior art.

Therefore, the new massage stick includes a first main body, a second main body, and a third main body.

The first body includes a first bottom surface, a first top surface opposite to the first bottom surface in a height direction, and two first side surfaces opposite to the lateral direction intersecting with the height direction, the The first side surface is connected between the first bottom surface and the first top surface, and two first stable edges are formed at the junction of the first side surfaces and the first bottom surface.

The second body extends from the first body along a length direction, the length direction intersecting the height direction and the lateral direction, the second body includes a second bottom surface corresponding to the first bottom surface, a second body in the height direction A second top surface opposite to the second bottom surface, and two second side slopes oppositely disposed in the lateral direction and connected between the second bottom surface and the second top surface, the second top surface is in the The height direction is lower than the first top surface, a top width of the second top surface in the lateral direction is smaller than a bottom width of the second bottom surface in the lateral direction, and the second side slopes and the second Two second stable edges corresponding to the first stable edges are formed at the joint of the bottom surface, and each second stable edge is collinear with the respective first stable edge.

The third body is disposed on the second top surface and away from the first body in the longitudinal direction, the third body includes a third top surface, and the third top surface is higher than the second top surface in the height direction top surface but below this first top surface.

The effect of the new type is: the massage stick of the new type is in the shape of a rod and has two end points, which can allow the user to use the lever principle with the body's gravity to effectively exert force when the body is in a state of complete relaxation, so as to avoid It causes repeated force damage to the body, and the new massage stick can be used at multiple angles. The mechanical shear force that known massagers cannot easily generate, and the special structure formed by the end angles, edges and plane elements combined with appropriate lengths and angles, the new massage stick can be subtly embedded in the different parts of the human body. so that users can freely perform different massage techniques according to their own needs. Furthermore, the massage stick of the present invention is composed of the highest first main body, the second highest third main body and the shortest second main body The three massage bodies are composed of high, medium and short shapes, and each has a flat surface, an edge and an end angle that can be used by the user as the reaction point for applying force to massage the muscles, fascia and acupoints. When the user uses the When the first main body and the third main body located at both ends are massaged, the second main body can play a role of balance and stability and provide the arm distance for the user to apply force using the lever principle. The highest first main body and the second highest third main body located at both ends are available for users to massage at multiple points at the same time. In this way, under the state of applying force at multiple points at the same time, in addition to improving the coverage of the massage effect , when the user applies force using the lever principle, the first body or the third body can provide the user with a reaction force of eccentric shear force, so as to greatly reduce the risk of secondary and enlarged muscle spasm being triggered , to improve the safety of massage and the durability of the massage effect. Furthermore, the new type of massage stick can provide users with different changes in acute and obtuse angles and different geometric heights after turning over different angles. , for the user to apply flexibly, so that the user can apply massage effects of different intensity, depth and concentration.

100: massage stick

10: The first subject

11: The first bottom surface

12: The first top surface

13: The first side

14: The first inner end face

15: The first outer end face

16: First stable edge

17: First Edge

18: First end angle

20: Second subject

21: Second bottom surface

22: Second top surface

23: Second side bevel

24: Second outer end face

241: accommodating slot

25: Second stable edge

26: Second Edge

27: Second end angle

30: The third subject

31: Third top surface

32: Third side

33: The third inner end face

34: The third outer end face

35: Third Edge

36: Third end angle

40: Common outer contour

50: Outer bushing

X: horizontal direction

Y: length direction

Z: height direction

W1: Top width

W2: Bottom width

θ 1: obtuse angle

θ 2: acute angle

200: Human muscle fibers

L: growth direction

1: Massager

101: The first massage department

102: Second Massage Section

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: FIG. 1 is a plan view of a conventional massager; FIG. 2 is a first embodiment of the massage stick of the present invention. A perspective view; Fig. 3 is a side view of the first embodiment; Fig. 4 is a sectional view taken along the line IV-IV in Fig. 3; Fig. 5 is a bottom view of the first embodiment; Fig. 6 is a use classification chart of several massage techniques performed by the first embodiment; FIG. 7 is a schematic diagram of a use state of the first embodiment, illustrating that the user uses the first embodiment to massage the back; 9 is a schematic diagram of a use state of the first embodiment, illustrating that the user uses the first embodiment to massage the shoulders; FIG. 9 is a schematic view of a use state of the first embodiment, illustrating that the user uses the first embodiment to perform massage on the shoulders. Massage of thighs; Figure 10 is a schematic diagram of a use state of the first embodiment, illustrating that the user uses the first embodiment to massage the back; Figure 11 is a schematic diagram of a use state of the first embodiment, illustrating that the user uses The first embodiment massages the thighs; FIG. 12 is a schematic diagram of a use state of the first embodiment, illustrating that the user uses the first embodiment to massage the arms; FIG. 13 is a second embodiment of the new massage stick Figure 14 is a top view of the second embodiment; Figure 15 is a perspective view of a third embodiment of the new massage stick; and Figure 16 is a fourth embodiment of the new massage stick A combined cutaway view.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are designated by the same reference numerals.

Referring to FIGS. 2 , 3 , and 4 , it is a first embodiment of a new massage stick 100 . The massage stick 100 includes a first main body 10 , a second main body 20 , and a third main body 30 . In the first embodiment, the first body 10 , the second body 20 and the third body 30 are integrally formed.

The first main body 10 includes a first bottom surface 11 , a first top surface 12 opposite to the first bottom surface 11 in a height direction Z, and two oppositely disposed in a lateral direction X perpendicular to the height direction Z The first side surface 13, a first inner end surface 14, and a first outer end surface 15 opposite to the first inner end surface 14 in a length direction Y, the length direction Y perpendicularly intersects the height direction Z and the Horizontal direction X.

In the first embodiment, the first bottom surface 11 and the first top surface 12 are horizontal.

The first side surfaces 13 are connected between the first bottom surface 11 and the first top surface 12 , and two first stable edges 16 are formed at the junction of the first side surfaces 13 and the first bottom surface 11 . In the embodiment, the first side surfaces 13 are vertical.

The first inner end surface 14 and the first outer end surface 15 are connected between the first bottom surface 11 , the first top surface 12 and the first side surfaces 13 . In the first embodiment, the first inner end surface 14 is inclined downward and inward from the first top surface 12, and the first outer end surface 15 is vertical.

In addition, in the first embodiment, the first body 10 is formed with several first edges 17 and several first end corners 18 . In the case of excluding the first stable edges 16 , the first edges 17 are formed on The first end corners 18 are formed at the junction of the first bottom surface 11 , the first top surface 12 , the first side surfaces 13 , the first inner end surface 14 and the first outer end surface 15 adjacent to any two. At the intersection of any three of the first bottom surface 11 , the first top surface 12 , the first side surfaces 13 , the first inner end surface 14 and the first outer end surface 15 .

The second body 20 extends inward from the first inner end surface 14 of the first body 10 along the length direction Y. The second body 20 includes a second bottom surface 21 corresponding to the first bottom surface 11 , a second bottom surface 21 corresponding to the first bottom surface 11 , a The second top surface 22 and the second top surface 22 opposite to the second bottom surface 21 in the height direction Z are oppositely arranged in the lateral direction X and connected to the second bottom surface 21 and the second bottom surface 21 . The second side inclined surface 23 between the top surfaces 22, and a second outer end surface 24 opposite to the first main body 10 in the length direction Y, in the first embodiment, the second main body 20 is in the length direction Y. The length in the direction Y is greater than the length of the first body 10 in the longitudinal direction Y and the length of the third body 30 in the longitudinal direction Y.

The second top surface 22 is lower than the first top surface 12 in the height direction Z, and a top width W1 of the second top surface 22 in the lateral direction X is smaller than that of the second bottom surface 21 in the lateral direction X A bottom width W2. In the first embodiment, the second bottom surface 21 and the second top surface 22 are horizontal, and an obtuse angle θ1 is formed between the second top surface 22 and each second side slope 23 . An acute angle θ 2 is formed between the two bottom surfaces 21 and each of the second side inclined surfaces 23 .

The junction of the second side slopes 23 and the second bottom surface 21 forms two second stable edges 25 corresponding to the first stable edges 16 respectively, each second stable edge 25 and a respective first stable edge 16 collinear.

The second outer end surface 24 is connected between the second bottom surface 21 , the second top surface 22 and the second side inclined surfaces 23 , and the second outer end surface 24 forms an accommodating groove 241 extending along the length direction Y . In the first embodiment, the second outer end surface 24 is vertical, and the accommodating groove 241 is suitable for placing heated red beans, activated carbon, heating stones, aroma oils, etc. Good pressure relief or health care effect.

In the first embodiment, the first bottom surface 11 of the first main body 10 and the second bottom surface 21 of the second main body 20 are connected to each other and cooperate to form a rectangular common outer surface. The contour 40 (see FIG. 5 ) enables the first bottom surface 11 and the second bottom surface 21 to be stably placed on a supporting surface (not shown, such as a floor or a bed).

In addition, in the first embodiment, the second body 20 is formed with several second edges 26 and several second end corners 27 . In the case of excluding the second stable edges 25 , the second edges 26 are formed on The second bottom surface 21 , the second top surface 22 , the second side slopes 23 and the second outer end surface 24 are adjacent to any two junctions, and the second end corners 27 are formed on the second bottom surface 21 , the intersection of the second side slopes 23 and the second outer end surface 24 adjacent to any three.

The third body 30 is disposed on the second top surface 22 and away from the first body 10 in the longitudinal direction Y. The third body 30 includes a third top surface 31 and two oppositely disposed in the lateral direction X. A third side surface 32 connected to the third top surface 31 , a third inner end surface 33 , and a third outer end surface 34 opposite to the third inner end surface 33 in the longitudinal direction Y.

The third top surface 31 is higher than the second top surface 22 in the height direction Z but lower than the first top surface 12 . In the first embodiment, the third top surface 31 is horizontal.

In the first embodiment, each third side surface 32 is connected to the respective second side slope 23 and corresponds to the inclination of the respective second side slope 23 .

The third inner end surface 33 and the third outer end surface 34 are connected between the third top surface 31 and the third side surfaces 32. In the first embodiment, the third inner end surface 33 extends from the third top surface The face 31 faces downward and is inclined inward, the third outer end face 34 and the second outer end The faces 24 are connected and are vertical.

In addition, in the first embodiment, the third body 30 is formed with third edges 35 and third corners 36 , and the third edges 35 are formed on the third top surface 31 and the third side surfaces 32 , the junction of the third inner end surface 33 and the third outer end surface 34 adjacent to any two, the third end corners 36 are formed on the third top surface 31, the third side surfaces 32, the third inner The end surface 33 and the third outer end surface 34 are adjacent to the intersection of any three.

As shown in Figures 2 and 6, common massage techniques include stroking, stripping, rubbing, kneading and pressing, etc. Among them:

1. Stroking is to move under the condition that the length direction Y of the massage stick 100 and the growth direction L of a human muscle fiber 200 obliquely intersect to form an oblique angle, so as to use a certain edge of the massage stick 100 (for example, The second stable edge 25) massages the local area of the body part.

2. Stripping means that the massage stick 100 slowly moves back and forth linearly along the growth direction L of the human muscle fibers 200, and applies a positive force to utilize a certain edge of the massage stick 100 (for example, the first An edge 17) massages a local area of a body part.

3. Rubbing refers to using a certain plane of the massage stick 100 (such as the first top surface 12, the second top surface 22 or the third top surface 31) to contact the local area of the human body to do front and rear, Left and right or rotating movements to perform massage techniques.

4. Kneading refers to the linear movement of the massage stick 100 along the direction perpendicular to the growth direction L of the human muscle fibers 200 to utilize a certain edge of the massage stick 100 (such as the first edge 17, The second edge 26 or the third edge 35) rubs both sides of the muscle transmembrane.

5. Pressing refers to using a certain end angle (eg, the first end angle 18 or the third end angle 36 ) of the massage stick 100 to perform point-like pressing on the acupoints of the human body.

As can be seen from FIG. 6 , the massage stick 100 can be used by the user to assist the user in performing the above-mentioned various massage techniques according to actual needs.

The following will briefly introduce several aspects of the massage stick 100 for users to perform massage with FIGS. 7 to 12 :

As shown in FIGS. 2 and 7 , when the user wants to massage the back, they can lie on the massage stick 100 with their back facing down. At this time, one of the first main body 10 and the third main body 30 can be used as a fulcrum , and the other of the first main body 10 and the third main body 30 is used as the reaction point (ie the massage point) for applying force, and the lever principle is used with the gravity of the body to effectively apply force. The first body 10 or the third body 30 is massaged alternately.

As shown in FIG. 8 , when the user wants to massage the shoulders, they can lie on the massage stick 100 with their backs facing down. At this time, the third main body 30 can be used as a fulcrum, and the first main body 10 can be used as a force Reaction point (i.e. massage point), leveraging the body's gravity The first edge 17 or the first end corner 18 of the first main body 10 can be massaged effectively.

As shown in FIG. 9 , when the user wants to massage the thigh, the user can press the thigh on the massage stick 100 with the back facing down. At this time, the third main body 30 can be used as a fulcrum, and the first main body 10 can be used as the massage stick 100 . The reaction point (ie the massage point) of the force uses the principle of leverage with the gravity of the body to effectively exert force, mainly through the first edge 17 of the first main body 10 to massage, and also through the first edge 17 of the first main body 10. The end angle 18 is massaged.

As shown in FIG. 10 , when the user wants to massage the back, they can lie on the massage stick 100 and use the first main body 10 and the third main body 30 as two reaction points (ie, massage points) at the same time. ), in this way, with the weight of the body, massage is performed through the first top surface 12 of the first main body 10 and the third edge 35 and the third end corner 36 of the third main body 30 .

As shown in FIG. 11 , when the user wants to massage the thighs, they can press the thighs on the massage stick 100 face down and let the thighs roll on the second main body 20 to pass through the first main body 10 in turn. The edge 17 is massaged with the third edge 35 of the third body 30 .

As shown in FIG. 12 , when the user wants to massage the arm, the user can press the arm on the massage stick 100 face down. 13 and the first stabilizing edge 16 and the second stabilizing edge 25 located on the bottom side and collinear, can form a stable support, the user can pass the The first stabilizing edge 16 is massaged with the second stabilizing edge 25 .

Through the above description, the advantages of the present invention can be summarized as follows:

1. The massage stick 100 of the present invention is in the shape of a stick and has two end points (ie, the first main body 10 and the third main body 30 ), so that the user can apply force by lever action. When the body is in a state of complete relaxation, the body's gravity uses the lever principle to effectively exert force. Compared with the prior art, when the user uses the massage stick 100 for massage, the user does not need to deliberately use the hand, wrist, Applying force to body parts such as arms or shoulders, or putting the body into an unnatural and tense posture, can effectively avoid repetitive strain injury (RSI) to the body.

2. Different from the conventional massagers, which are mostly simple movable point-shaped, arc-shaped or rollable designs, the new massage stick 100 can be used for static use at multiple angles. It can help the user to exert force with leverage effectively in a relaxed state, and generate mechanical shearing force that cannot be easily generated by conventional massagers. The special structure formed by the plane elements (for example, Fig. 7 forms a hammer-like shape when in use, and Fig. 9 forms a fork-like shape when in use), the massage stick 100 can be embedded in different parts of the human body ingeniously, It allows users to freely perform massage techniques such as scraping, stretching, kneading, kneading and pressing on muscles, fascia or acupuncture points according to their own needs. The conventional massager cannot have these different massage techniques at the same time. massage technique.

3. Different from the single massage body structure of the conventional massager, the massage stick 100 of the present invention is composed of three parts: the highest first main body 10 , the second highest third main body 30 and the shortest second main body 20 . Each massage body is composed of tall, medium and short shapes, and each has a flat surface, an edge and an end angle for the user to act as a reaction point for applying force to massage the muscles, fascia and acupoints. Among them, the shortest The two main bodies 20 connect the highest first main body 10 and the second highest third main body 30 , and in the length direction Y of the massage stick 100 , the length of the second main body 20 is longer than that of the first main body 10 and the third main body 30 . The main body 30 is longer, so that when the user uses the first main body 10 and the third main body 30 at both ends to massage, the second main body 20 can balance and stabilize the massage stick 100 and provide the user with The lever arm distance for applying force.

4. The highest first main body 10 and the second highest third main body 30 at the two ends of the massage stick 100 of the present invention can be used for the user to massage at multiple points at the same time. , in addition to improving the coverage area of the massage effect, when the user applies force using the lever principle (for example, the fork-like shape shown in FIG. 9 ), the first main body 10 or the third main body 30 can further The user provides the reaction force of the eccentric shear force (Eccentric Shear Force), which can only form a single-point concentric circular manipulation or a single-point positive force (single-point concentric circular manipulation). -point normal manipulation), the new massage stick 100 can greatly reduce the risk of secondary and enlarged muscle spasm being triggered, and improve the safety of massage and the durability of massage effect permanence.

5. After the massage stick 100 of the new type is turned over at different angles, the structure can provide the user with different acute angle and obtuse angle changes in the corners, and different geometric height changes, for the user to flexibly apply and use. The user applies massage effects of different intensities, depths and concentrations. For example, as shown in FIG. 12, when the massage stick 100 is rotated 90 degrees around the length direction Y, the user can use the adjacent second bottom surface 21 and the The sharp corners formed by the second side slope 23 are used as the reaction points for applying force. The sharp corners are suitable for lateral scraping across the muscle fibers and the fascia. At this time, one of the downward facing surfaces of the first main body 10 The first side 13, and the collinear first stabilizing edge 16 and the second stabilizing edge 25 can form a stable support.

6. The accommodating groove 241 of the second main body 20 of the massage stick 100 of the present invention can be used for placing heated red beans, activated carbon, heating stones, aroma oils and other items, so as to produce better pressure relief or health care during massage effect.

Referring to FIGS. 13 and 14 , it is a second embodiment of the new model. The second embodiment is similar to the first embodiment. The differences between the second embodiment and the first embodiment are:

The second top surface 22 of the second main body 20 is inclined and decreases in height from the third main body 30 toward the first main body 10 in the height direction Z, and the second top surface 22 in the lateral direction X The top width W1 of the upper increases from the third body 30 towards the first body 10 .

In this way, the second embodiment can also achieve the same purpose and effect as the above-mentioned first embodiment.

Referring to FIG. 15 , a third embodiment of the present invention is described. The third embodiment is similar to the first embodiment. The differences between the third embodiment and the first embodiment are:

The first inner end surface 14 of the first body 10 is stepped, and each second side slope 23 of the second body 20 is stepped.

It can be understood that, in other variations of the third embodiment, of course, a design in which only the first inner end face 14 of the first main body 10 is stepped can be adopted, or a design in which only the second main body 20 is formed Each of the second side slopes 23 has a stepped design.

In this way, the third embodiment can not only achieve the same purpose and effect as the first embodiment, but also generate more edges and corners for users to massage.

Referring to FIG. 16 , it is a fourth embodiment of the new model. The fourth embodiment is similar to the first embodiment. The differences between the fourth embodiment and the first embodiment are:

The fourth embodiment further includes an outer bushing 50 for accommodating the first body 10 , the second body 20 and the third body 30 .

In this way, in addition to achieving the same purpose and effect as the first embodiment, the fourth embodiment can moderately reduce the rigidity of the first body 10 during massage by the detachable outer bushing 50 . , The second main body 20 and the third main body 30 can also be easy to clean for the friction damage caused by the skin, so as to achieve the use of health care advantage.

To sum up, the new type of massage stick not only allows the user to use the lever principle with the body's gravity to effectively exert force when the body is in a state of complete relaxation, but also can be used for resting at multiple angles, so as to ingeniously apply force. It is embedded in different parts of the human body, allowing users to freely perform different massage techniques according to their own needs. In order to improve the coverage of the massage effect and provide the user with the reaction force of the eccentric shear force, in addition, after turning over different angles, the structure can provide the user with different changes in acute and obtuse angles, and different geometric heights. It can be used flexibly by users, so it can indeed achieve the purpose of this new model.

However, the above are only examples of the present invention, which should not limit the scope of the present invention. Any simple equivalent changes and modifications made according to the scope of the patent application for this new model and the contents of the patent specification are still within the scope of the present invention. within the scope of this new patent.

100: massage stick

10: The first subject

11: The first bottom surface

12: The first top surface

13: The first side

14: The first inner end face

15: The first outer end face

16: First stable edge

17: First Edge

18: First end angle

20: Second subject

21: Second bottom surface

22: Second top surface

23: Second side bevel

24: Second outer end face

241: accommodating slot

25: Second stable edge

26: Second Edge

27: Second end angle

30: The third subject

31: Third top surface

32: Third side

33: The third inner end face

34: The third outer end face

35: Third Edge

36: Third end angle

X: horizontal direction

Y: length direction

Z: height direction

Claims (10)

A massage stick, comprising: a first main body, including a first bottom surface, a first top surface opposite to the first bottom surface in a height direction, and two oppositely arranged in a horizontal direction intersecting with the height direction the first side surfaces of the Extending from the first body along a length direction, the length direction intersecting the height direction and the lateral direction, the second body includes a second bottom surface corresponding to the first bottom surface, a height direction opposite to the A second top surface of the second bottom surface, and two second side inclined surfaces disposed oppositely in the lateral direction and connected between the second bottom surface and the second top surface, the second top surface being lower in the height direction In the first top surface, a top width of the second top surface in the lateral direction is smaller than a bottom width of the second bottom surface in the lateral direction, and the junction of the second side slopes and the second bottom surface forming two second stabilizing edges corresponding to the first stabilizing edges respectively, each second stabilizing edge is collinear with the respective first stabilizing edge; and a third body disposed on the second top surface and in the The third body includes a third top surface that is far from the first body in the length direction, and the third top surface is higher than the second top surface but lower than the first top surface in the height direction. The massage stick according to claim 1, wherein the first bottom surface of the first main body and the second bottom surface of the second main body are connected to each other, and cooperate to form a common outer contour in the shape of a rectangle. The massage stick according to claim 1, wherein the second body further comprises a second outer end surface opposite to the first body in the longitudinal direction, the second outer end surface is connected to the second bottom surface, the first body Between the two top surfaces and the second side slopes, the second outer end surface forms an accommodating groove extending along the length direction. The massage stick as claimed in claim 3, wherein the third main body further comprises two third side surfaces oppositely arranged in the lateral direction and connected with the third top surface, a third inner end surface, and a third side surface in the length A third outer end face opposite to the third inner end face in direction, the third inner end face and the third outer end face are connected between the third top face and the third side faces, the third outer end face and the third outer end face The two outer end faces are connected, and the length of the second main body in the longitudinal direction is greater than the length of the first main body in the longitudinal direction and the length of the third main body in the longitudinal direction. The massage stick of claim 4, wherein the third inner end face of the third body faces downward from the third top face and slopes inward, and each third side face is connected to a respective second side slope, and corresponding to the inclination of the respective second side slopes. The massage stick according to claim 1, wherein the second top surface is horizontal. The massage stick as claimed in claim 1, wherein the second top surface is inclined and decreases in height from the third main body toward the first main body in the height direction, and the second top surface is in the horizontal direction. The top width in the direction increases from the third body towards the first body. The massage stick according to claim 1, wherein the first body further comprises a a first inner end surface, and a first outer end surface opposite to the first inner end surface in the longitudinal direction, the first inner end surface and the first outer end surface are connected to the first bottom surface, the first top surface and the Between the first side surfaces, the first inner end surface faces downward from the first top surface and is inclined inward, and the second body extends inward from the first inner end surface. The massage stick of claim 8, wherein the first inner end surface of the first body is stepped, and each second side slope of the second body is stepped. The massage stick according to claim 1, further comprising an outer bushing for accommodating the first body, the second body and the third body.

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