CN217311033U - Arm massage device and massage armchair - Google Patents

Abstract

The utility model provides an arm massage device and massage armchair. The arm massage apparatus includes: the air bag is provided with an axially extending accommodating cavity which is configured to accommodate and clamp the arm of a user, the rear end of the air bag in the axial direction is provided with an opening, and the front end of the air bag in the axial direction is provided with a driving end face; the driving assembly is connected to the driving end face of the air bag and used for providing power to drive the air bag to rotate around the central axis of the driving end face so as to carry out torsional massage on the arm of a user. The utility model provides an arm massage device can twist reverse the massage and have better power transmission performance to the arm. The utility model provides a massage armchair includes above-mentioned arm massage device.

Description

Arm massage device and massage armchair

Technical Field

The utility model relates to a massage equipment technical field especially relates to an arm massage device and massage armchair.

Background

A massage chair is a device which can massage a plurality of parts of the whole body of a user. The user sits or semi-lies in the massage chair in a comfortable posture, the massage chair is electrified to start the massage function, and the back, the neck, the four limbs and other parts can be massaged according to the selection of the user. In the massage chairs of the prior art, the massage to the four limbs such as the arms, legs and arms is mostly a pressing or kneading operation, and the massage operation that the arms can be twisted is disclosed in the prior art. For example, the utility model with the publication number CN210673709U discloses a massage chair capable of twisting the arm, which drives the massage air bag to rotate through the motor and the gear transmission assembly to drive the arm to twist.

In this prior art, the driving force provided by the motor is applied to the side wall of the massage bladder through the tooth transmission assembly. From the torque calculation formula, the magnitude of the torque is determined by the magnitude of the driving force and the magnitude of the moment arm, and in the case of the gear transmission assembly, the driving force is applied to the peripheral wall of the gear, and the moment arm is generally the radius of the gear. In order to increase the arm of force, the size of the gear needs to be set larger, which brings about the defects of increased manufacturing cost and large occupied installation space when being installed in the massage chair; if a gear with a smaller size is adopted, the motor needs to output a larger driving force to achieve sufficient torque, so that the load of the motor is increased, and the service life of the motor is influenced. Firstly, the prior art applies driving force on the side wall of the massage air bag through the tooth transmission assembly, has better transmission precision, but has the problem of insufficient power; if other transmission mechanisms are adopted to apply force on the side wall, the problem of insufficient transmission precision exists.

In view of the above, there is a need to provide a new technical solution to overcome the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides an arm massage device and massage armchair can twist reverse the massage and have better power transmission performance to the arm.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an arm massaging device, comprising: the air bag is provided with an axially extending accommodating cavity which is configured to accommodate and clamp the arm of a user, the rear end of the air bag in the axial direction is provided with an opening, and the front end of the air bag in the axial direction is provided with a driving end face; the driving assembly is connected to the driving end face of the air bag and used for providing power to drive the air bag to rotate around the central axis of the driving end face so as to carry out torsional massage on the arm of a user.

Optionally, the driving assembly includes a motor, a force transmission member mounted on the driving end surface, and a link assembly connected between an output end of the motor and the force transmission member.

Optionally, the force transmission member is connected with a rotating shaft, and the connection of the force transmission member and the rotating shaft is configured to: the force-transmitting member is rotatable about a central axis of the shaft while being restrained from movement in axial and radial directions of the shaft.

Optionally, be equipped with the installation cavity on the drive end face, the spliced pole that has a plurality of protrusions to set up on the inside wall face of installation cavity, pass power piece cartridge in the installation cavity and have with the spliced pole corresponds the complex spread groove.

Optionally, one end of the connecting rod assembly is hinged to the force transmission member, and the hinged position of the connecting rod assembly and the force transmission member is offset compared with the connecting position of the rotating shaft.

Optionally, the link assembly includes a first link and a second link, one end of the first link is fixedly connected to the output end of the motor, and the other end of the first link is hinged to the other end of the second link.

Optionally, the arm massaging device further comprises a rotation guide assembly connected to the air bag, the rotation guide assembly comprises a guide plate provided with a sliding groove, and the air bag is connected with a sliding column capable of sliding in the sliding groove.

Optionally, an edge of the guide plate facing the airbag is arc-shaped, and an avoidance groove is formed in the airbag corresponding to the edge of the guide plate.

Optionally, a plurality of convex columns are arranged on two side wall surfaces of the avoidance groove.

Optionally, the rotation guide assembly is connected to a circumferential side wall of the airbag and is close to an opening of the airbag, a connecting seat is installed on the circumferential side wall of the airbag, and the rotation guide assembly is connected to the airbag through the connecting seat.

The utility model also provides a massage armchair, it includes chair frame and as above arbitrary technical scheme the arm massage device, the gasbag of arm massage device can for the chair frame rotates, drive assembly install in the chair frame.

Optionally, the chair frame has an armrest portion, and the arm massage device is an arm massage device mounted on the armrest portion.

Optionally, the chair frame is provided with a leg clamping part, and the arm massage device is a leg and arm massage device mounted on the leg clamping part.

The utility model provides an arm massage device, the gasbag is provided with the drive terminal surface at its axial front end, drive assembly is connected to on the drive terminal surface in order to drive the gasbag around the central axis rotation of drive terminal surface, so make the drive power that the gasbag receives all be the rotatory power of drive gasbag, make the rotary motion of gasbag more steady; moreover, through the structure, the driving assembly can adopt a link mechanism, so that the cost can be effectively reduced and the assembly can be simplified on the premise of ensuring better power transmission performance.

Drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the drawings of the embodiments will be briefly described below, and it is obvious that the drawings in the following description only relate to some embodiments of the present invention, and are not intended to limit the present invention.

Fig. 1 is a perspective combination view of an embodiment of the massage chair of the utility model.

Fig. 2 is an exploded perspective view of an embodiment of the massage chair of the present invention.

Fig. 3 is an exploded perspective view of an embodiment of the arm massage device of the present invention.

Fig. 4 is an exploded perspective view of another perspective of the arm massage device of the present invention.

Fig. 5 is a sectional view of the driving unit in an embodiment of the arm massage apparatus of the present invention.

Reference numerals: 100-arm massage means; 1-air bag; 101-a containment chamber; 102-an avoidance slot; 1021-a convex column; 11-a drive end face; 110-a mounting cavity; 111-connecting column; 12-an opening; 2-a drive assembly; 21-a motor; 22-a connecting-rod assembly; 221-a first link; 222-a second link; 24-a force-transmitting member; 240-axle hole; 241-connecting groove; 242-hinge hole; 25-a rotating shaft; 3-rotating the guide assembly; 31-a guide plate; 310-a sliding groove; 32-a sliding column; 4-a connecting seat; 200-a chair frame; 201-side plate; 2011-through holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used only to indicate relative positional relationships that may change when the absolute position of an object being described changes, and are merely for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.

Referring to fig. 1 to 5, the present invention provides an arm massage device 100 for use in a massage chair, the massage chair includes a chair frame 200, and the arm massage device 100 is mounted on the chair frame 200. The arm massaging device 100 includes an air bag 1, a driving unit 2, and a rotation guide unit 3. The airbag 1 has an axially extending receiving cavity 101, the receiving cavity 101 is configured to receive and clamp an arm of a user, a rear end of the airbag 1 in an axial direction is provided with an opening 12, and a front end of the airbag in the axial direction is provided with a driving end surface 11. The driving assembly 2 is connected to a driving end surface 11 of the air bag 1 and is used for providing power to drive the air bag 1 to rotate around the central axis of the driving end surface 11 so as to carry out torsional massage on the arm of a user.

In the arm massaging device 100 provided by the utility model, the front end of the air bag 1 in the axial direction is provided with the driving end surface 11, the driving component 2 is connected to the driving end surface 11 to drive the air bag 1 to rotate around the central axis of the driving end surface 11, so that the driving force borne by the air bag 1 is totally the force for driving the air bag 1 to rotate, and the rotating motion of the air bag 1 is more stable; moreover, through the structure, the driving component 2 can adopt a link mechanism, thereby effectively reducing the cost and simplifying the assembly on the premise of ensuring better power transmission performance.

With continued reference to fig. 4, the airbag 1 may be inflated to clamp the arm portion inside the accommodation chamber 101. The arm part can be an arm of a human body, and can also be a leg arm of the human body. In the present embodiment, the air bag 1 is an arm for massaging a human body. The shape of the airbag 1 matches with the shape of an arm of a human body, and specifically, in this embodiment, the airbag 1 and an accommodating cavity 101 enclosed therein are in a circular truncated cone shape, and are gradually tapered from an opening 12 at the rear end thereof to a driving end face 11 at the front end thereof. An open slot is formed in the side wall of the airbag 1 for the arm of the user to insert into the accommodating cavity 101 from the side edge of the airbag 1. The central angle corresponding to the open slot is smaller than 180 degrees, so that the width of the open slot is smaller, and the arm of a user is not easy to be separated from the open slot when being placed in the accommodating cavity 101. In use, the user's hand is located in the housing 101 near the drive end 11 and the user's elbow is located near the opening 12.

Referring to fig. 3, the driving end surface 11 is provided with a mounting cavity 110 recessed inwards from an outer surface thereof, and a plurality of connecting posts 111 protruding from an inner side wall surface of the mounting cavity 110. In this embodiment, the number of the connecting columns 111 is 3, the connecting columns 111 and the airbag 1 are integrated, and after the airbag 1 inflates and expands, the connecting columns 111 also expand to form a convex column. An avoiding groove 102 is further formed in the circumferential side wall of the air bag 1, the avoiding groove 102 is a circular arc-shaped long and narrow groove, a plurality of convex columns 1021 are arranged on the two side wall surfaces of the avoiding groove 102, and the avoiding groove 102 is close to the opening 12 of the air bag 1. The avoiding groove 102 and the convex column 1021 can be used for matching with the rotation guiding component 3, so as to avoid the abutting interference of the air bag 1 and the rotation guiding component 3 in the rotation process.

With continued reference to fig. 3 and 4, the driving assembly 2 includes a motor 21, a force transmission member 24 mounted on the driving end surface 11, and a connecting rod assembly 22 connected between an output end of the motor 21 and the force transmission member 24. The force transmission piece 24 is a hard piece, the motor 21 applies force to the force transmission piece 24 through the connecting rod assembly 22, and the force transmission piece 24 can drive the airbag 1 to rotate. In particular, the force-transmitting member 24 may be a hard plastic member. The force transmission piece 24 is cylindrical, a shaft hole 240 is formed in the central axis of the force transmission piece, and a rotating shaft 25 is connected in the shaft hole 240. The end of the rotating shaft 25 extends out of the shaft hole 240 and is connected to the chair frame 200. The connection of the force-transmitting member 24 to the shaft 25 is configured to: the force-transmitting member 24 is rotatable about the central axis of the shaft 25 while being restricted from movement in the axial and radial directions of the shaft 25. The force transmission member 24 is provided with a hinge hole 242, and one end of the connecting rod assembly 22 is hinged to the hinge hole 242. The hinge hole 242 is offset from the shaft hole 240, and the hinge hole 242 is located near the edge of the force-transmitting member 24, so that the moment applied by the connecting-rod assembly 22 to the force-transmitting member 24 can be relatively large. The force transmission piece 24 is inserted into a mounting cavity 110 formed by the driving end surface 11 of the airbag 1, and the force transmission piece 24 is provided with a connecting groove 241 correspondingly matched with the connecting column 111 on the wall surface of the mounting cavity 110. Through the matching of the connecting column 111 and the connecting groove 241, the rotation of the force transmission piece 24 can drive the airbag 1 to rotate.

Referring to fig. 3 to 5, one end of the connecting rod assembly 22 is hinged to the force transmission member 24, and the hinged position of the connecting rod assembly and the force transmission member is offset from the connecting position of the rotating shaft 25. The connecting rod assembly 22 includes a first connecting rod 221 and a second connecting rod 222, one end of the first connecting rod 221 is fixedly connected to the output end of the motor 21, in this embodiment, the output end of the motor 21 is an output shaft with a D-shaped cross section, a D-shaped hole matched with the output shaft of the D-shaped cross section is formed in the first connecting rod 221, and the rotation of the output shaft can drive the connecting rod 221 to rotate. The other end of the first link 221 is hinged to the other end of the second link 222. When the driving assembly 2 works, the motor 21 is started, the output shaft of the motor 21 drives the first connecting rod 221 to rotate, the first connecting rod 221 drives the second connecting rod 222 to rotate, the second connecting rod 222 drives the force transmission piece 24 to rotate, and the rotation of the force transmission piece 24 drives the air bag 1 to rotate. Since the force ultimately applied to the airbag 1 by the driving assembly 2 is a force that drives the airbag 1 to rotate about its own central axis at the driving end face 11 of the airbag 1, the rotational movement of the airbag 1 is made smoother.

Further, the arm massage apparatus 100 includes the rotation guide assembly 3 connected to the air bag 1, so that the rotation movement of the air bag 1 can be more smooth. Specifically, the rotation guide assembly 3 includes a guide plate 31 having a sliding groove 310, an edge of the guide plate 31 facing the airbag 1 is arc-shaped, and the sliding groove 310 is also arc-shaped. The rotation guide assembly 3 is connected to the circumferential side wall of the airbag 1 and close to the opening 12 of the airbag 1, so that the support of the airbag 1 is more balanced and smooth. The connecting seat 4 is installed on the circumferential side wall of the air bag 1, the rotation guide assembly 3 is connected with the air bag 1 through the connecting seat 4, specifically, the connecting seat 4 is installed and fixed on the circumferential side wall of the air bag 1, and is connected with the connecting seat 4 through the sliding column 32 and is connected in the sliding groove 310 in a sliding mode. During the rotation of the airbag 1 driven by the driving assembly 2, the sliding column 32 slides along the sliding groove 310, so that the movement of the airbag 1 is more stable. The edge of the guide plate 31 facing the airbag 1 is arc-shaped, the arc-shaped edge corresponds to the avoidance groove 102 formed in the side wall of the airbag 1, and the edge of the guide plate 31 can extend into the avoidance groove 102 in the rotation process of the airbag 1 so as to avoid abutting interference with the airbag 1.

The process of the arm massage device 100 for twisting massage of the arm in this embodiment is as follows: when the motor 21 is started, the output shaft of the motor 21 drives the first connecting rod 221 to rotate, the first connecting rod 221 drives the second connecting rod 222 to rotate, the second connecting rod 222 drives the force transmission piece 24 to rotate, and the rotation of the force transmission piece 24 drives the air bag 1 to rotate; during the rotation of the airbag 1 driven by the driving assembly 2, the sliding column 32 slides along the sliding groove 310, so that the movement of the airbag 1 is more stable.

As can be seen from the above description, in the arm massage device 100 provided by the present invention, the front end of the air bag 1 in the axial direction thereof is provided with the driving end surface 11, and the driving assembly 2 is connected to the driving end surface 11 to drive the air bag 1 to rotate around the central axis of the driving end surface 11, so that the driving force applied to the air bag 1 is the force for driving the air bag 1 to rotate, and the rotation motion of the air bag 1 is more stable; moreover, the driving assembly 2 can adopt a link mechanism, and compared with a gear transmission mechanism, the cost can be effectively reduced and the assembly can be simplified on the premise of ensuring better power transmission performance.

Referring to fig. 1 and 2 again, the present invention further provides a massage chair, which includes a chair frame 200 and the arm massage device 100, wherein the air bag 1 of the arm massage device 100 can rotate relative to the chair frame 200, and the driving assembly 2 and the rotation guiding assembly 3 are installed in the chair frame 200. Specifically, chair frame 200 has curb plate 201, through-hole 2011 has been seted up on curb plate 201, gasbag 1 is installed through-hole 2011 department, gasbag 1's open slot towards the inboard of massage armchair, and gasbag 1's circumference lateral wall is located curb plate 201, drive assembly 2 and rotation guide assembly 3 uniform end are fixed on curb plate 201, and the other end is connected to on gasbag 1's the circumference lateral wall. In this embodiment, the chair frame 200 has an armrest portion, and the arm massage device 100 is an arm massage device mounted on the armrest portion. In another embodiment, the chair frame 200 has leg-clamping portions, and the arm massage device 100 is a leg-arm massage device mounted to the leg-clamping portions. The massage chair of the present invention has the above-mentioned beneficial effects because of having the above-mentioned arm massage device 100.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (13)

1. An arm massaging device, comprising:

the air bag is provided with an axially extending accommodating cavity which is configured to accommodate and clamp the arm of a user, the rear end of the air bag in the axial direction is provided with an opening, and the front end of the air bag in the axial direction is provided with a driving end face;

the driving assembly is connected to the driving end face of the air bag and used for providing power to drive the air bag to rotate around the central axis of the driving end face so as to carry out torsional massage on the arm of a user.

2. The arm massaging device of claim 1, wherein the drive assembly comprises a motor, a force transmitting member mounted on the drive end surface, and a linkage assembly connected between an output of the motor and the force transmitting member.

3. The arm massaging device of claim 2, wherein the force transfer member is connected to a shaft, the connection of the force transfer member to the shaft being configured to: the force-transmitting member is rotatable about a central axis of the shaft while being restrained from movement in axial and radial directions of the shaft.

4. The arm massaging device of claim 3, wherein the driving end face is provided with a mounting cavity, the inner side wall face of the mounting cavity is provided with a plurality of protruding connecting columns, and the force transmission member is inserted into the mounting cavity and provided with connecting grooves which are correspondingly matched with the connecting columns.

5. The arm massaging device of claim 4, wherein the linkage assembly is hinged to the force transmitting member at one end thereof and at an offset position relative to the position of the pivot.

6. The arm massaging device of claim 5, wherein the linkage assembly comprises a first linkage and a second linkage, one end of the first linkage being fixedly connected to the output of the motor, the other end of the first linkage being hingedly connected to the other end of the second linkage.

7. The arm massaging device according to any one of claims 1 to 6, further comprising a rotation guide member connected to the air bag, the rotation guide member comprising a guide plate provided with a slide groove, the air bag being connected with a slide post slidable in the slide groove.

8. The arm massaging device of claim 7, wherein the edge of the guiding plate facing the air bag is arc-shaped, and an avoiding groove is formed on the air bag corresponding to the edge of the guiding plate.

9. The arm massaging device of claim 8, wherein the evasion grooves have a plurality of protruding posts on both side walls.

10. The arm massaging device of claim 7, wherein the rotation guide member is connected to a circumferential side wall of the air bag near the opening of the air bag, and a connecting seat is installed on the circumferential side wall of the air bag, and the rotation guide member is connected to the air bag through the connecting seat.

11. A massage chair comprising a frame and an arm massage device as claimed in any one of claims 1 to 10, the air bag of the arm massage device being rotatable relative to the frame, the drive assembly being mounted in the frame.

12. The massage chair as claimed in claim 11, wherein the chair frame has armrest portions, and the arm massage device is an arm massage device mounted to the armrest portions.

13. The massage chair as claimed in claim 11, wherein the chair frame has leg-clamping portions, and the arm massage means is a leg-arm massage means mounted to the leg-clamping portions.

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