Body care apparatus

Abstract

This invention discloses a body care device capable of providing massage by physically stimulating the user's body. The body care device includes: a base; a main rod mounted on the base and rotatable about a rod rotation axis in a lateral direction; an angled cam configured such that the main rod extends and is coupled through a block not parallel to an imaginary line orthogonal to the rod rotation axis; a massage arm coupled to the angled cam to be controlled by the displacement of the angled cam; a ball guide groove continuously formed in the base; and a ball joint configured such that one end is coupled to the massage arm and the other end is inserted into the ball guide groove.

Description

Technical Field

[0001] This invention relates to a body care device, and more particularly to a body care device that can provide massage by physically stimulating the body of a seated user. Prior Technology

[0002] With the aging of society in recent years, people of all ages are becoming increasingly aware of health care, health maintenance, and health promotion. As a result, many people are utilizing facilities such as medical institutions or sports clubs to manage, maintain, or improve their health.

[0003] In addition to maintaining or improving health or physical fitness, many people also try to relieve fatigue and stress. For this purpose, various body care devices, such as massage devices, have been developed and are widely used in daily life.

[0004] Massage is a complementary medical therapy that involves using hands or specialized devices to stroke, knead, press, pull, pat, or move the body to improve blood circulation and relieve fatigue. Devices that perform massage using mechanical means are called massage devices, and various mechanical components are used in massage devices for effective massage.

[0005] Regarding a body care device that uses a mechanical device to perform massage, Korean Patent No. 10-2496485 (hereinafter referred to as "Patent 1") discloses a detachable air stretch massage device for assisting in the correct posture of the legs, pelvis and waist.

[0006] Specifically, Case 1 discloses: a main component having a massage space recessed from above in a downward direction; a central component selectively and removably combined to the main component and configured to divide the massage space into two sub-spaces; an airbag device disposed at the main component and configured to inflate into the massage space upon receiving a control signal; and a padding device disposed at the central component.

[0007] However, the body care device of the first design has the following problems: it only provides a massage through a simple operation of pressing the user's legs from left to right, and the massage is limited by the position of the airbag. That is, the body care device of the first design has the following limitations: the massage area cannot be changed, and the massage is performed using only air pressure.

[0008] Korean utility model patent application publication No. 20-2023-0002125 (hereinafter referred to as "Patent 2") discloses a multifunctional massager.

[0009] Specifically, Case 2 discloses a foot massage device comprising: two sets of foot massage components installed in a first housing to provide foot massage; and two recesses arranged side by side in a second housing to accommodate the user's legs, each having a massage airbag disposed therein.

[0010] However, the body care device in Case 2 also has the following problems: it only provides a massage through simple operation of pressing the user's legs from left and right, and the massage is limited by the position of the airbag. That is, the body care device in Case 2 has the following limitations: the user must move the massager to change the massage area, and the massage is performed using only air pressure.

[0011] As mentioned above, body care devices that use mechanical devices to perform massage have problems that need to be solved in order to achieve a more suitable structure in terms of effective massage and ease of use.

[0012] However, conventional body care devices have limitations in adequately addressing these issues. Summary of the Invention

[0013] One aspect of the present invention is to solve the above-mentioned problems with a body care device for providing massage by physically stimulating the user's body.

[0014] Another aspect of the present invention is to provide a body care device configured to perform physical stimulation on the user's body through movements similar to those of a human hand, thereby further improving the massage effect.

[0015] Another aspect of the present invention is to provide a body care device configured such that components configured to physically stimulate the user's body are automatically movable, thereby conveniently achieving massage of larger parts of the body.

[0016] Another aspect of the invention is to provide a body care device configured such that components configured to come into direct contact with the user's body are elastically deformable, thereby performing an optimal massage tailored to the user's characteristics.

[0017] The present invention is not limited to the above-described embodiments, and other technical embodiments not mentioned above will be clearly understood by those skilled in the art from the following description.

[0018] According to one aspect of the present invention, a body care device is configured such that a massage arm configured to physically stimulate the user's body is driven in a manner similar to human hand movements. Specifically, according to the present invention, the body care device is configured such that the massage arm is coupled to an angled cam portion disposed on a main rod portion at an angle, so that when the angled cam portion rotates, not only is the massage arm driven in the left-right direction, but also a relative displacement of its upper and lower components is generated.

[0019] Furthermore, in the body care device according to the present invention, the massage arm may include a cam cover and a massage body.

[0020] Furthermore, in the body care device according to the present invention, a pair of massage arms can be driven together when a main rod rotates.

[0021] Furthermore, in the body care device according to the present invention, the pair of massage arms driven together can be driven in a symmetrical state.

[0022] Furthermore, in the body care device according to the present invention, the insertion depth of one end of the ball joint can be varied by means of a guide bushing installed in the cam cover.

[0023] Furthermore, in the body care device according to the present invention, the outer diameter of one end of the ball joint portion can correspond to the inner diameter of the guide bushing.

[0024] Furthermore, the body care device according to the present invention is configured such that the massage arm, which is configured to physically stimulate the user's body, is automatically movable. Specifically, the body care device according to the present invention is configured such that the massage arm moves upward and downward in the longitudinal direction of the base portion.

[0025] Furthermore, in the body care device according to the present invention, a rack can be mounted on the base portion, and a pinion can be mounted on the massage arm portion.

[0026] Furthermore, in the body care device according to the present invention, the main rod and the pinion can be rotated together by a drive.

[0027] Furthermore, according to the present invention, the body care device is configured such that the outer surface of the massage arm that directly contacts the user's body is elastically deformable. Specifically, according to the present invention, the body care device is configured such that an elastically deformable elastomer is mounted on the outer surface of the massage body of the massage arm.

[0028] Furthermore, in the body care device according to this invention, the elastomer may include an airbag.

[0029] Furthermore, in the body care device according to the present invention, the outer surface of the massage body on which the elastomer is mounted may be uneven.

[0030] Furthermore, in the body care device according to this invention, the massage body can be hingedly coupled to one end of the cam cover.

[0031] Furthermore, in the body care device according to the present invention, the hinge rotation of the massage body can be appropriately adjusted by a torsion spring.

[0032] The apparatus used to present the present invention is not limited to the apparatus described above, and other apparatuses not mentioned above will be clearly understood by those skilled in the art from the following description.

[0033] The body care device according to the present invention has the following effects.

[0034] According to at least one embodiment of the present invention, the massage arm is coupled to the tilting cam portion disposed at an angle on the main rod portion. Therefore, when the tilting cam portion rotates, not only is the massage arm driven in the left and right directions, but also the relative displacement of its upper and lower components is generated, thereby achieving an experience similar to that of kneading by human hands, which can further improve the massage effect.

[0035] Furthermore, according to at least one embodiment of the present invention, because the massage arm includes a cam cover and a massage body, physical stimulation can be effectively applied to a specific area of ​​the area to be massaged.

[0036] Furthermore, according to at least one embodiment of the present invention, since a pair of massage arms are driven together when one main rod rotates, physical stimulation can be applied simultaneously from both sides of the area to be massaged.

[0037] Furthermore, according to at least one embodiment of the present invention, since the pair of massage arms driven together are driven in a symmetrical state, they can apply more effective physical stimulation to both sides of the area to be massaged.

[0038] Furthermore, according to at least one embodiment of the present invention, the insertion depth of one end of the ball joint can be changed by the guide bushing installed in the cam cover, so that the ball joint can still be smoothly driven even if the ball guide groove is formed in a linear manner.

[0039] Furthermore, according to at least one embodiment of the present invention, the outer diameter of one end of the ball joint corresponds to the inner diameter of the guide bushing, so that the end of the ball joint inserted into the guide bushing can be efficiently driven only in the longitudinal direction.

[0040] Furthermore, according to at least one embodiment of the present invention, the massage arm can move upward and downward in the longitudinal direction of the base, thereby automatically changing the area to be massaged and making massage more convenient.

[0041] Furthermore, according to at least one embodiment of the present invention, the rack is mounted on the base portion and the pinion is mounted on the massage arm portion, thereby allowing the massage arm portion to move upward and downward more accurately and stably.

[0042] Furthermore, according to at least one embodiment of the present invention, the main shaft and the pinion are rotated together by a single driver, thereby potentially simplifying the overall structure by minimizing the number of drivers.

[0043] Furthermore, according to at least one embodiment of the present invention, the elastically deformable elastomer is mounted on the outer surface of the massage body of the massage arm, thereby buffering pressure that is not properly applied to the area to be massaged to a certain extent.

[0044] Furthermore, according to at least one embodiment of the invention, the elastomer includes the airbag, thereby allowing the pressure applied to the area to be massaged to be adjusted by adjusting the air pressure.

[0045] Furthermore, according to at least one embodiment of the invention, the outer surface of the massage body on which the elastomer is mounted is uneven, thereby ensuring additional space for the elastomer to deform under pressure.

[0046] Furthermore, according to at least one embodiment of the present invention, the massage body is hingedly coupled to the end of the cam cover, so that when users with different physical characteristics receive a massage, it is possible to adjust the position of the massage arm to correspond to the massage area of ​​each user.

[0047] Furthermore, according to at least one embodiment of the present invention, the hinge rotation of the massage body can be appropriately adjusted by the torsion spring, so that when performing a massage on users with different characteristics, the massage arm can appropriately contact the massage area of ​​each user.

[0048] Further applications of the present invention will become apparent from the above detailed description. However, since various variations and modifications within the spirit and scope of the present invention will become apparent to those skilled in the art, the specific examples, such as the embodiments and preferred embodiments of the present invention, are merely illustrative. Simple Explanation of the Diagram

[0049] The above and other aspects, features, and advantages of the present invention will become more apparent from the following embodiments, together with the accompanying drawings, in which: Figure 1 is a perspective view showing a body care device according to an embodiment of the present invention; Figures 2 and 3 are views showing the operation of the body care kit shown in Figure 1; Figure 4 is a view showing a ball joint portion driven along the ball guide groove in a body care device according to an embodiment of the present invention; Figure 5 is a view showing the tilting cam portion and the massage arm portion coupled to the main rod portion in a body care device according to an embodiment of the present invention; Figure 6 is a more detailed view of the portion where the cam cover and the ball joint are coupled to each other in the body care device according to an embodiment of the present invention; Figures 7 to 9 are views showing the rotation drive assembly based on the main rod in a body care device according to an embodiment of the present invention; Figure 10 is a view showing the rack and pinion in a body care device according to an embodiment of the present invention; and Figures 11 and 12 are more detailed views of the portion where the massage body and the cam cover are coupled to each other in a body care device according to an embodiment of the present invention. Implementation

[0050] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings. In the description of the present invention, detailed descriptions of related prior art may be omitted where such unnecessarily obscure the focus of the invention.

[0051] In this embodiment of the invention, the X, Y, and Z directions can be orthogonal to each other. The X and Y directions can each be parallel to the horizontal direction, while the Z direction can be parallel to the vertical direction. When the X direction is parallel to the left-right direction, the Y direction can be parallel to the front-back direction. When the X direction is parallel to the front-back direction, the Y direction can be parallel to the left-right direction.

[0052] Figure 1 is a perspective view showing a body care device 1000 according to an embodiment of the present invention. Figures 2 and 3 are views showing the operation of the body care device 1000 shown in Figure 1. Figure 4 is a view showing the ball joint portion 600 driven along the ball guide groove portion 500 in the body care device 1000 according to an embodiment of the present invention. Figure 5 is a view showing the tilt cam portion 300 and the massage arm portion 400 coupled to the main rod portion 200 in the body care device 1000 according to an embodiment of the present invention. Figure 6 is a more detailed view of the portion where the cam cover 410 and the ball joint portion 600 are coupled to each other in the body care device 1000 according to an embodiment of the present invention. Figures 7 to 9 are views showing the rotation drive assembly based on the main rod portion 200 in the body care device 1000 according to an embodiment of the present invention.

[0053] The body care device 1000 according to an embodiment of the present invention includes: a base portion 100; a main rod portion 200; an inclined cam portion 300; a massage arm portion 400; a ball guide groove portion 500; and a ball joint portion 600.

[0054] The base portion 100 is a component that forms the main body of the body care device 1000 according to this embodiment, and the main rod portion 200, the tilt cam portion 300, the massage arm portion 400, the ball guide groove portion 500 and the ball joint portion 600 can all be driven, and their positions and arrangements change relative to the base portion 100.

[0055] The base portion 100 can be a component of a massage device (such as a massage chair). Furthermore, the base portion 100 can be formed independently to minimize its relative movement.

[0056] Therefore, the user can move the area to be massaged to the base 100 and drive the remaining components to massage that area.

[0057] The main rod 200 is a component that is installed to rotate about the rod rotation axis 201 in the lateral direction of the base 100, and can be rotated axially by the rotational force generated by the driver 700.

[0058] The tilt cam 300 is a component configured to extend the main rod 200 and be coupled through a block of it that is not parallel to an imaginary line orthogonal to the rod rotation axis 201 so as to rotate together with the main rod 200.

[0059] Specifically, the main rod portion 200 can extend and be coupled through the plate-like section of the tilt cam portion 300. Therefore, the tilt cam portion 300 can be coupled to the main rod portion 200 to protrude from its outer peripheral surface.

[0060] Specifically, the plate-shaped section of the tilt cam 300 can be set with an imaginary line that is not parallel to the axis of rotation of the rod 201.

[0061] That is, when the tilt cam portion 300 coupled to the main rod portion 200 is viewed from the front, the plate-shaped block of the tilt cam portion 300 can be set at an angle rather than vertically. Furthermore, even when the tilt cam portion 300 coupled to the main rod portion 200 is viewed from above, the plate-shaped block of the tilt cam portion 300 can be set at an angle rather than vertically.

[0062] Therefore, when the main rod 200 rotates axially, the tilt cam 300 can rotate at an angle.

[0063] For example, as shown in Figure 7, the tilt cam 300 can be configured such that the portion of it located above the main rod 200 is further to the right than the portion located below the main rod. Simultaneously, the tilt cam 300 can be configured such that the section located on its left side faces further forward than the section located on its right side.

[0064] As shown in Figures 8 and 9, the tilt cam 300 can be modified according to the rotation of the main rod 200, such that the portion of the tilt cam 300 located above the main rod 200 is further to the left than the portion located below the main rod 200. Simultaneously, the tilt cam 300 can be modified so that the section located on the right side faces further forward than the section located on the left side.

[0065] The massage arm 400 is a component coupled to the tilt cam 300 so as to be subject to the displacement of the tilt cam 300 without rotating, and can be driven to a position corresponding to the tilt cam 300 according to the drive of the tilt cam 300.

[0066] The ball guide groove 500 is a component continuously formed in the base 100 in the transverse direction, and can be used as a track for the ball joint 600 to reciprocate in the transverse direction.

[0067] The ball joint portion 600 is configured such that one of its rod-shaped ends 601 is coupled to the massage arm portion 400 while its other ball-shaped end 602 is inserted into the ball guide groove portion 500, and allows the massage arm portion 400 to reciprocate in the lateral direction while restricting its rotation.

[0068] In the above structure, the tilt cam 300 can rotate at an angle when the main rod 200 rotates axially. When the tilt cam 300 rotates, the massage arm 400 is driven not only by limited rotation in the left and right directions, but also by relative displacement of its upper and lower components.

[0069] In other words, the massage arm 400 can be driven from top to bottom in a wave-like motion.

[0070] Therefore, the massage arm 400 can be driven in a manner similar to the movement of a human hand, not just a specific part of it moving back and forth, but the massage arm 400 moving back and forth sequentially from top to bottom.

[0071] Thus, in the body care device 1000 according to an embodiment of the present invention, the massage arm 400 is coupled to the tilting cam 300 which is set at an angle on the main rod 200. Therefore, when the tilting cam 300 rotates, not only is the massage arm 400 driven in the left and right direction, but also the relative displacement of its upper and lower parts is generated, thereby achieving an experience similar to that of kneading by human hands, which can further improve the massage effect.

[0072] In the body care device 1000 according to an embodiment of the present invention, the massage arm 400 may include a cam cover 410 and a massage body 420.

[0073] The cam cover 410 is a component that covers the tilt cam portion 300 and allows the tilt cam portion 300 to rotate and slide therein, and the movement of the cam cover 410 other than rotation can be transmitted to the massage arm portion 400.

[0074] In this case, an independent bearing structure can be provided at the part where the cam cover 410 and the tilt cam portion 300 contact each other.

[0075] The massage body 420 is a component installed at one end of the cam cover 410 and extending in the longitudinal direction. It can apply physical stimulation to the area to be massaged by the movement of the cam cover 410 transmitted through the tilt cam portion 300.

[0076] Specifically, because the massage body 420 is mounted to extend in the longitudinal direction, it can make contact with the area to be massaged to a specific degree. Therefore, when the massage body 420 is activated, a specific area of ​​the area to be massaged can be massaged.

[0077] Thus, in the body care device 1000 according to an embodiment of the present invention, since the massage arm 400 includes a cam cover 410 and a massage body 420, physical stimulation can be effectively applied to a specific area of ​​the area to be massaged.

[0078] In the body care device 1000 according to an embodiment of the present invention, tilting cam portions 300 may be provided in pairs on the main rod portion 200. In this case, massage arm portions 400 may be provided on each of the tilting cam portions 300.

[0079] That is, when one main rod 200 rotates axially, a pair of tilting cams 300 coupled to that main rod can also be rotated. The massage arm 400 on each tilting cam 300 can also be driven.

[0080] Thus, in the body care device 1000 according to an embodiment of the present invention, since a pair of massage arms 400 are driven together when one main rod 200 rotates, physical stimulation can be applied simultaneously from both sides of the area to be massaged.

[0081] In the body care device 1000 according to an embodiment of the present invention, the pair of tilting cam portions 300 can be arranged symmetrically on the main rod portion 200.

[0082] That is, when one main rod 200 rotates axially, a pair of tilting cams 300 coupled to the main rod can rotate symmetrically. The massage arms 400 respectively provided on the tilting cams 300 can also be driven symmetrically.

[0083] Therefore, when the area to be massaged is located between the two tilting cams 400, symmetrical physical stimulation can be applied to both sides of the area to achieve a more effective massage.

[0084] Thus, in the body care device 1000 according to an embodiment of the present invention, the massage arms 400 driven together are driven in a symmetrical state, so that more effective physical stimulation can be applied to both sides of the area to be massaged.

[0085] In the body care device 1000 according to an embodiment of the present invention, the massage arm 400 may further include a guide bushing 430 mounted on the portion of the cam cover 410 coupled to the ball joint 600, such that the insertion depth of one end 601 of the ball joint 600 is variable.

[0086] As described above, the ball joint portion 600 can reciprocate in the lateral direction when the tilt cam portion 300 rotates. However, if the ball guide groove portion 500 into which the ball joint portion 600 is inserted is formed in a straight line in the lateral direction, the distance between the massage arm portion 400 and the ball guide groove portion 500 may be partially different, making it difficult for the ball joint portion 600 to reciprocate.

[0087] Therefore, it is advisable to form the ball guide groove 500 in an arc shape rather than a straight line to smoothly perform the reciprocating motion of the ball joint 600. However, if the ball joint 600 is inserted into the arc-shaped ball guide groove 500, the massage arm 400 can also be driven in an arc shape to a certain extent, which may be undesirable.

[0088] Therefore, when the distance between the massage arm portion 400 and the ball guide groove portion 500 is different, the insertion depth of one end 601 of the ball joint portion 600 can be varied through the guide bushing 430, as shown in FIG6, so that even if the ball guide groove portion 500 is formed in a straight line in the transverse direction, the reciprocating motion of the ball joint portion 600 is still unimpeded.

[0089] Thus, in the body care device 1000 according to an embodiment of the present invention, the insertion depth of one end 601 of the ball joint portion 600 is variable through the guide bushing 430 installed in the cam cover 410, so that even if the ball guide groove portion 500 is formed in a straight line, the ball joint portion 600 can still be smoothly driven.

[0090] In the body care device 1000 according to an embodiment of the present invention, the inner diameter of the guide bushing 430 corresponds to the outer diameter of one end 601 of the ball joint portion 600.

[0091] As described above, it may be ideal to restrict the displacement of the ball joint 600 except for displacement in the longitudinal direction when one end 601 of the ball joint 600 is inserted into the guide bushing 430.

[0092] That is, it may be ideal to make one end 601 of the ball joint 600 move only in the longitudinal direction in the guide bushing 430 and to minimize the gap between the guide bushing 430 and one end 601 of the ball joint 600 in other directions.

[0093] Thus, in the body care device 1000 according to an embodiment of the present invention, the outer diameter of one end 601 of the ball joint 600 corresponds to the inner diameter of the guide bushing 430, so that the end 601 of the ball joint 600 inserted into the guide bushing 430 can be efficiently driven only in the longitudinal direction.

[0094] Figure 10 is a view showing the rack 101 and pinion 401 in a body care device 1000 according to an embodiment of the present invention.

[0095] In the body care device 1000 according to an embodiment of the present invention, the massage arm 400 can move upward and downward relative to the base 100 in the longitudinal direction.

[0096] That is, as shown in Figures 1 to 3, the massage arm 400 can move up and down in the longitudinal direction to massage the areas to be massaged at different heights.

[0097] For example, the massage arm 400 can move up and down in the vertical direction to massage the user's calves and thighs.

[0098] Thus, in the body care device 1000 according to an embodiment of the present invention, the massage arm 400 can move upward and downward in the longitudinal direction of the base 100, thereby allowing the area to be massaged to change automatically and making massage more convenient.

[0099] In the body care device 1000 according to an embodiment of the present invention, the base portion 100 may have a rack 101 mounted thereon in the longitudinal direction. In this case, the massage arm portion 400 may have a pinion 401 that can mesh with the rack 101.

[0100] Therefore, as shown in FIG10, when the pinion 401 rotates, the rack 101 can move up and down along the pinion 401, and the massage arm portion 400 coupled to the pinion 401 can move up and down in the longitudinal direction of the base portion 100.

[0101] Thus, in the body care device 1000 according to an embodiment of the present invention, the rack 101 is mounted on the base portion 100 and the pinion 401 is mounted on the massage arm portion 400, so that the massage arm portion 400 can move up and down more accurately and stably.

[0102] The body care device 1000 according to an embodiment of the present invention may further include a driver 700 configured to rotate the main rod 200 about the rod rotation axis 201. In this case, the driver 700 can rotate the pinion 401 as the main rod 200 rotates.

[0103] Here, the driver 700 may include a drive motor and a drive gear.

[0104] That is, as shown in Figure 10, a driver 700 can be connected to the main rod 200 and the pinion 401, so that the main rod 200 and the pinion 401 can rotate together through the rotational force transmitted by the driver 700.

[0105] Therefore, a simpler structure can be provided than one in which the independent drive 700 is separately installed in the main shaft 200 and the pinion 401.

[0106] Thus, in the body care device 1000 according to an embodiment of the present invention, the main rod 200 and the pinion 401 are rotated together by a single driver 700, thereby further simplifying the overall structure by minimizing the number of drivers 700.

[0107] Meanwhile, in the body care device 1000 according to an embodiment of the present invention, the driver 700, which is separate from the pinion 401, can drive only the main rod 200 as needed, so that massage can be performed without the massage arm 400 moving up or down.

[0108] In the body care device 1000 according to an embodiment of the present invention, the massage arm 400 may further include an elastomer 440 mounted on the outer surface of the massage body 420 to be elastically deformable.

[0109] When a massage is performed with the massage arm 400 in contact with the user's area to be massaged, there is a concern that the massage arm may cause pain to the user due to issues such as pressure concentration in specific areas.

[0110] Therefore, it may be ideal to mount the elastomer 440 on the outer surface of the massage body 420 to properly distribute pressure when pressure is concentrated in a specific area.

[0111] Thus, in the body care device 1000 according to an embodiment of the present invention, an elastically deformable elastomer 440 is mounted on the outer surface of the massage body 420 of the massage arm 400, thereby buffering pressure that is not properly applied to the area to be massaged to a certain extent.

[0112] In the body care device 1000 according to an embodiment of the present invention, the elastomer 440 may include an airbag 441 having an adjustable air injection level.

[0113] When a massage is performed with the massage arm 440 in contact with the user's area to be massaged, some users may feel that the pressure applied is too strong, while others may feel that the pressure applied is too weak.

[0114] Even if the massage is performed with the same pressure, users may have different sensations to the intensity of the pressure depending on their characteristics. Therefore, it may be ideal to allow each user to adjust the degree of inflation of the airbags 441 installed on the outer surface of the massage body 420.

[0115] Thus, in the body care device 1000 according to an embodiment of the present invention, the elastomer 440 includes an airbag 441, so that the pressure applied to the area to be massaged can be adjusted by adjusting the air pressure.

[0116] In the body care device 1000 according to an embodiment of the present invention, the elastomer 440 may be mounted on the outer surface of the massage body 420 to form an uneven surface.

[0117] As mentioned above, an elastomer 440 can be installed to provide some cushioning against pressure that is not properly applied to the area to be massaged, but for more effective pressure cushioning, it is necessary to ensure that the elastomer 440 has sufficient space to elastically deform.

[0118] Therefore, it may be ideal to form an elastomer 440 that is in direct contact with the user's area to be massaged with an uneven structure, thereby ensuring sufficient space for the elastomer 440 to deform under pressure.

[0119] Thus, in the body care device 1000 according to an embodiment of the present invention, the outer surface of the massage body 420 on which the elastomer 440 is mounted is uneven, thereby ensuring additional space for the elastomer 440 to deform under pressure.

[0120] Figures 11 and 12 are more detailed views of the portion in which the massage body 420 and the cam cover 410 are coupled to each other in the body care device 1000 according to an embodiment of the present invention.

[0121] In the body care device 1000 according to an embodiment of the present invention, the massage body 420 can be hingedly coupled to one end 410 of the cam cover. That is, as shown in Figures 11 and 12, the massage body 420 can be hingedly rotated at one end of the cam cover 410.

[0122] When a massage is performed with the massage arm 400 in contact with the user's area to be massaged, users with thin legs may not have difficulty receiving the massage, but other users with thicker legs may have difficulty using the massage arm 400.

[0123] Therefore, it may be ideal to allow the massage arm 400 to rotate articulated and be positioned appropriately according to the individual user's body characteristics, thereby allowing a wider variety of users to receive massage without obstruction.

[0124] In this regard, in the body care device 1000 according to an embodiment of the present invention, the massage body 420 is hingedly coupled to one end of the cam cover 410, so that when users with different body characteristics receive a massage, the position of the massage arm 400 can be adjusted to correspond to the massage area of ​​each user.

[0125] In the body care device 1000 according to an embodiment of the present invention, the massage arm 400 may further include a torsion spring 450 disposed at a portion of the massage body 420 coupled to one end of the cam cover 410.

[0126] Even though the massage arms 400 rotate articulated and are appropriately positioned according to each user's body characteristics, as mentioned above, users with thin legs may feel the massage intensity is too weak due to the relatively large gaps. Conversely, users with thick legs may feel the massage intensity is too strong due to the relatively small gaps.

[0127] Therefore, the torsion spring 450 can be located at the point where the massage body 420 and the cam cover 410 are coupled to each other, so that the stiffness of the torsion spring 450 can apply additional pressure to users with thin legs. In addition, for users with thick legs, the massage intensity can be appropriately limited by preventing the massage arm 400 from excessively hinged and rotated by the torsion spring 450.

[0128] In this regard, in the body care device 1000 according to an embodiment of the present invention, the hinge rotation of the massage body 420 can be appropriately adjusted by the torsion spring 450, so that when a massage is performed on users with different body characteristics, the massage arm 400 can appropriately contact the massage area of ​​each user.

[0129] Although the foregoing is illustrative of the invention, all and other modifications and variations thereof will be readily apparent to those skilled in the art that they fall within the broad scope of the invention set forth herein. Therefore, these modifications and variations should not be considered beyond the spirit and scope of the invention, and the invention is intended to cover such modifications and variations as long as they fall within the scope of the following claims and their equivalents.

[0130] This application claims priority to Korean Patent Application No. 10-2024-0090403, filed with the Korean Intellectual Property Office on July 9, 2024, the entire contents of which are incorporated herein by reference.

[0131] 100: Base section 101: Gear rack 200: Main shaft section 201: Rod rotation axis 300: Inclined Cam Section 400: Massage arm area 401: Pinion 410: Cam Cover 420: Massage Body 430: Guide bushing 440: Elastomer 441: Airbag 450: Torsion Spring 500: Ball guide groove 600: Ball joint 601: Rod-shaped end 602: Spherical end 700: Drive 1000: Body care device X, Y, Z: Direction

Claims

1. A body care device, comprising: One base section; A main rod portion, mounted to be rotatable about a rod rotation axis in the lateral direction of the base portion; an angled cam portion, configured such that the main rod portion extends and is coupled through a block not parallel to an imaginary line orthogonal to the rod rotation axis, so as to rotate together with the main rod portion; a massage arm portion, coupled to the angled cam portion to be controlled by the displacement of the angled cam portion without rotating; a ball guide groove portion, continuously formed in the base portion in the lateral direction; and a ball joint portion, configured such that one rod-shaped end of the ball joint is coupled to the massage arm portion, while the other ball-shaped end of the ball joint is inserted into the ball guide groove portion.

2. The body care device according to claim 1, wherein, The massage arm includes: a cam cover configured to cover the tilting cam portion and allow the tilting cam portion to rotate and slide therein; and a massage body mounted on one end of the cam cover to extend in the longitudinal direction.

3. The body care device according to claim 2, wherein, The tilting cam portion is arranged in pairs on the main rod portion, and the massage arm portion is arranged on each of the tilting cam portions.

4. The body care device according to claim 3, wherein, The pair of tilting cam sections are symmetrically arranged on the main rod section.

5. The body care device according to claim 2, wherein, The massage arm further includes a guide bushing mounted on the portion of the cam cover coupled to the ball joint, such that the insertion depth of one end of the ball joint is variable.

6. The body care device according to claim 5, wherein, The inner diameter of the guide bushing corresponds to the outer diameter of that end of the ball joint.

7. The body care device according to claim 1, wherein, The massage arm moves upward and downward relative to the base in the longitudinal direction.

8. The body care device according to claim 7, wherein, The base portion has a rack mounted thereon in the longitudinal direction, and the massage arm portion has a small gear that can mesh with the rack.

9. The body care device according to claim 8, further comprising: A driver is configured to rotate the main rod about the rod's rotation axis, wherein the driver rotates the pinion as the main rod rotates.

10. The body care device according to claim 2, wherein, The massage arm further includes an elastomer mounted on an outer surface of the massage body to be elastically deformable.

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