CN113662829A

CN113662829A - Leg massage mechanism

Info

Publication number: CN113662829A
Application number: CN202111119238.2A
Authority: CN
Inventors: 丁子峪
Original assignee: Genzhiyuan Xiamen Health Management Co ltd
Current assignee: Genzhiyuan Xiamen Health Management Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2021-11-19

Abstract

The invention relates to the field of health care instruments, in particular to a leg massage mechanism which comprises two groups of massage mechanisms and a driving mechanism, wherein each massage mechanism consists of a supporting piece and a plurality of massage rollers rotatably mounted on the supporting piece, the front end of each massage mechanism is rotatably connected with a physiotherapy bed body, the driving mechanism is arranged on the physiotherapy bed body, each driving mechanism comprises a driving motor, a driving chain wheel, a swinging chain wheel and a rotating chain wheel, the driving motor is horizontally fixed on the physiotherapy bed body, and an output shaft of the driving motor is fixedly connected with the driving chain wheel, so that the driving chain wheel is driven to rotate when the driving motor works. The swing chain wheel is rotationally connected with the middle part of the supporting piece, the rotating chain wheel is connected with the massage roller, and the swing chain wheel and the rotating chain wheel are connected with the driving chain wheel in a chain transmission mode.

Description

Leg massage mechanism

Technical Field

The invention relates to the field of massage instruments, in particular to a leg massage mechanism.

Background

Along with the increase of the living and working pressure of people and the improvement of the requirements on the living quality, people often choose to massage to relax the body when the body is tired, and the massage physiotherapy bed is one of the common massage devices. The massage physiotherapy couch is more and more popular with the advantages of comfort, fatigue relief, capability of enabling people to quickly recover vitality and improvement of life quality.

The existing physiotherapy couch with the leg massage function starts to massage two legs when the massage roller rotates by arranging the massage roller on one supporting sliding plate. However, such a massage mechanism has the following drawbacks: firstly, the massage mode is single, the static massage and relaxation can be carried out on the muscle of the leg only by rolling the massage roller, and the bending and stretching relaxation of the leg can not be carried out; secondly, the massage effect is poor, and the massage roller is provided with the protruded massage columns, so that the massage roller must be arranged at certain intervals to avoid mutual interference during installation, the muscles of the legs cannot be integrally covered during massage, and only local massage can be performed.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a leg massage mechanism which is compact in structure and can carry out multi-dimensional and multi-mode massage on legs.

In order to achieve the purpose, the invention provides the following technical scheme: a leg massage mechanism, which comprises a leg massage mechanism,

two groups of massage mechanisms, each massage mechanism comprises a support piece and a plurality of massage rollers which are rotatably arranged on the support piece,

the massage mechanism comprises a driving mechanism, wherein the driving mechanism comprises a driving motor, a driving chain wheel, a swinging chain wheel and a rotating chain wheel, the front end of the massage mechanism is hinged to the rotating chain wheel, the swinging chain wheel and the rotating chain wheel are connected with the driving chain wheel arranged at the output shaft end of the driving motor in a chain transmission mode, rocking bars are eccentrically arranged on two sides of the swinging chain wheel respectively, the top ends of the rocking bars are hinged to the middle part of the supporting piece, the rocking bars are used for driving the massage mechanism to swing back and forth by taking the rotating chain wheel as the center, and the rotating chain wheel is connected with the massage roller through chain transmission.

Further improved, two the support piece outside sets up first fixing base respectively, support piece one end is passed through rotatable the connection of axis of rotation is in on the first fixing base top, it sets up to rotate the sprocket the axis of rotation center, the support piece both sides be provided with synchronous sprocket with the massage roller is connected, the axis of rotation both ends with synchronous sprocket connects.

Further improved, the synchronous chain wheel comprises a chain and a transmission chain wheel, the massage rollers are fixedly arranged on the chain at equal intervals, the transmission chain wheel is fixedly connected with the rotating shaft, and the transmission chain wheel drives the massage rollers to move on the chain when rotating.

Further improved, the massage roller comprises a connecting shaft and a massage sleeve which is sleeved on the outer side of the connecting shaft, and the two ends of the connecting shaft are fixedly connected with the chain.

The improved swing chain wheel structure is characterized by further comprising a second fixed seat used for fixing the swing chain wheel, rotary tables fixedly connected with the swing chain wheel are respectively arranged on two sides of the second fixed seat, and the rocker is eccentrically arranged on the rotary tables and is connected with the middle part of the side wall of the supporting piece.

In a further improvement, the rocker is hinged with the turntable and the supporting piece, and the swinging chain wheel is connected with the turntable through a shaft.

In a further improvement, the driving sprocket, the swinging sprocket and the rotating sprocket are positioned on the same horizontal plane in the vertical direction, the driving motor drives the driving sprocket to rotate, and the driving sprocket, the swinging sprocket and the rotating sprocket synchronously rotate in a chain transmission mode.

The improved massage mechanism further comprises a U-shaped fixing frame arranged on the outer side of the massage mechanism, air bags are arranged on two sides of the U-shaped fixing frame, heating pieces are arranged on the inner bottom surface of the U-shaped fixing frame, and the massage mechanism is arranged above the heating pieces.

In a further improvement, the front end of the U-shaped fixing frame is provided with a salient point.

The invention has the beneficial effects that:

(1) the leg part is provided with the rotating chain wheel and the swinging chain wheel which are connected with the massage mechanism, and when the leg part massage device is used, the rotating chain wheel is connected with the massage roller to drive the massage roller to start rotating to massage leg muscles; the swing chain wheel is connected with the middle of the massage mechanism through an eccentrically arranged rocker, the front end of the massage mechanism is rotationally connected with the physiotherapy bed body, the swing chain wheel drives the rocker to eccentrically rotate when rotating, one end of the massage mechanism is hinged to the base of the rotation chain wheel, the rocker is highly and constantly changed in the rotating process, and then the massage mechanism is driven to vertically swing around the joint of the massage mechanism and the physiotherapy bed body, so that the legs can be constantly bent and stretched when being placed on the massage mechanism. This massage mechanism can realize that the massage of shank is relaxed and the knee that bends extends, and the massage is more comprehensive, improves comfort level and massage effect.

(2) According to the invention, the massage mechanism comprises a supporting piece, synchronous chain wheels are arranged on two sides of the supporting piece, and the massage roller is fixedly arranged between the synchronous chain wheels. Synchronous sprocket includes chain and driving sprocket, driving sprocket with rotate between the sprocket through the axis of rotation rigid coupling, rotate sprocket during operation, through driving sprocket drives the chain and begins to rotate, the rigid coupling is in both sides respectively at the massage roller both ends on the corresponding position of chain, during the use consequently the massage roller is followed the chain rotates and removes, massages shank muscle. In this massage mechanism use, through with the cooperation of rotating the sprocket, what make the massage roller can constantly remove massages shank muscle, and the massage roller removes the in-process and then has increased the contact surface with shank muscle, makes the massage area bigger, carries out better massage to the shank and relaxs, improves the result of use.

(3) The driving mechanism is only provided with one driving motor, the output shaft end of the driving motor is fixedly connected with a driving chain wheel, and the driving chain wheel, the swinging chain wheel and the rotating chain wheel are vertically positioned on the same horizontal plane, so that the swinging chain wheel and the rotating chain wheel can be directly connected with the driving chain wheel through chain transmission, when the driving motor works, the driving motor drives the swinging chain wheel and the rotating chain wheel to synchronously start rotating, the swinging motion of the massage mechanism and the rotating motion of the massage roller in the massage mechanism start simultaneously, and the leg begins to be massaged and is bent and stretched to be relaxed. This scheme makes a motor be connected with a plurality of sprockets simultaneously through chain drive, and then realizes massage and bend and stretch two kinds of functions through the connection structure of difference, and compact structure saves installation space, and realizes the control of shank massage and bend and stretch and relax through single motor, and it is more convenient to use, and saves the cost.

(4) According to the invention, the massage mechanism is arranged in the U-shaped fixing frame, the salient points are arranged at the front end of the U-shaped fixing frame, when a user puts a bent knee on a leg in the U-shaped fixing frame, the salient points are extruded at the knee nest, and the knee nest is subjected to single-point massage along with the swinging of the U-shaped fixing frame, so that the massage effect is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a leg massage structure according to the present invention;

FIG. 2 is a partial cross-sectional view of a drive configuration of the present invention;

FIG. 3 is a schematic view of a driving structure according to the present invention;

FIG. 4 is a partial exploded view of the massage mechanism of the present invention;

FIG. 5 is an exploded view of the massage roller structure of the present invention;

FIG. 6 is a cross-sectional view of the overall structure of the present invention;

FIG. 7 is a schematic view of a U-shaped fixing frame according to the present invention;

FIG. 8 is a schematic view of the installation of the physiotherapy couch body according to the present invention;

in the figure:

1. a physiotherapy couch body;

11. a first fixed seat; 12. a second fixed seat; 13. a third fixed seat;

2. a massage mechanism;

21. a support member; 22. a massage roller; 23. a synchronous sprocket;

211. a U-shaped groove; 212. a base plate; 221. a connecting shaft; 222. a massage sleeve; 231. a chain; 232. a drive sprocket; 233. a driven sprocket;

3. a drive mechanism;

31. a drive motor; 32. a drive sprocket; 33. a swing sprocket; 34. rotating the sprocket; 35. a rocker; 36. a turntable;

4. a rotating shaft;

5. a U-shaped fixing frame;

51. an air bag; 52. a heating plate; 53. and (4) bumps.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Referring to fig. 1-5, a leg massage mechanism is arranged on a physiotherapy couch body 1, and comprises two sets of massage mechanisms 2 and a driving mechanism 3 which are arranged at the tail of the physiotherapy couch body 1, wherein the massage mechanism 2 is composed of a support member 21 and a plurality of massage rollers 22 which are rotatably arranged on the support member 21, the support member 21 is formed by connecting a U-shaped groove 211 and a bottom plate 212 which are oppositely arranged at openings at two sides, and the massage rollers 22 are arranged between the U-shaped grooves 211. The front end of the massage mechanism 2 is connected with the physiotherapy couch body 1, and the massage mechanism 2 can rotate around the joint with the physiotherapy couch body 1. The driving mechanism 3 comprises a driving motor 31, a driving chain wheel 32, a swinging chain wheel 33 and a rotating chain wheel 34, one section of the massage mechanism 2 is hinged to the rotating chain wheel, the driving motor 3 is horizontally fixed on the physiotherapy couch body 1, and an output shaft of the driving motor 3 is fixedly connected with the driving chain wheel 32, so that the driving motor 3 drives the driving chain wheel 32 to start rotating during working. Rocking bars 35 are eccentrically arranged on two sides of the swinging chain wheel 33 respectively, the top ends of the rocking bars 35 are hinged to the middle of the outer side wall of the supporting piece 21, the rocking bars 35 are used for driving the massage mechanism 2 to swing by taking the rotating chain wheel 34 as the center, the rotating chain wheel 34 is connected with the massage roller 22, and the swinging chain wheel 33 and the rotating chain wheel 34 are connected with the driving chain wheel 32 in a chain transmission mode. When the driving sprocket 32 rotates, the driving sprocket 34 and the swing sprocket 33 start to rotate synchronously, the rotating sprocket 34 drives the massage roller 22 to start to rotate to massage the legs, the swing sprocket 33 drives the support piece 21 to swing up and down through the eccentric rocker 35, so that the legs are bent and stretched to relax, and the massage is more comfortable and efficient.

Further, the massage roller 22 includes a connecting shaft 221 and a massage sleeve 222 sleeved outside the connecting shaft 221, and both ends of the connecting shaft 221 are fixedly connected to the chain 231. When the massage sleeve 222 is rotatably connected with the connecting shaft 221, the massage sleeve 222 moves along the rotation direction of the chain 231 and simultaneously forms extrusion with the legs above, and when the massage sleeve 222 moves, under the combined action of leg pressure and chain power, the massage sleeve 222 rotates to increase the contact surface with the leg muscles, so that the massage effect on the leg muscles is improved. When the massage cover 222 is fixedly connected with the connecting shaft 221, the massage cover 222 only moves along with the chain 231.

In this embodiment, 1 afterbody of physiotherapy bed body is provided with a plurality of first fixing bases 11, first fixing base 11 top with the connection is rotated to support piece 21 front end, makes 1 front end of support piece highly raises, with physiotherapy bed body 1 forms the difference in height, and the person of facilitating the use's shank is bent the knee and is placed massage mechanism 2 also is more comfortable when carrying out the luffing motion. A rotating shaft 4 is arranged between the first fixing seats 11, and the supporting piece 21 is connected with the first fixing seats 11 through the rotating shaft 4, so that the supporting piece 21 can rotate around a shaft connection part. The joint of the first fixed seat 11 and the rotating shaft 4 is fixed by a bearing, so that the rotating shaft 4 is supported, friction force possibly generated during rotation is reduced, and sensitivity is improved. The rotating chain wheel 34 is fixedly installed at the center of the rotating shaft 4, a synchronous chain wheel 23 connected with the massage roller 22 is arranged in the groove of the U-shaped groove 211, two ends of the rotating shaft 4 penetrate through the supporting piece 21 to be connected with the synchronous chain wheel 23, and the rotating chain wheel 34 drives the massage roller 22 connected to the synchronous chain wheel 23 to rotate during operation. The rotating shaft 4 is used for connecting the supporting piece 21 and the first fixed seat 11 in a rotating manner, and simultaneously connecting the rotating chain wheel 34 and the synchronous chain wheel 23 for driving the massage roller 22 to work, so that an additional connecting structure is omitted, the connecting structure is simplified, and the rotating shaft 4 is used for connecting, fixing and driving.

Further, the synchronous sprocket 23 comprises a chain 231, a transmission sprocket 232 and a driven sprocket 233, the transmission sprocket 232 is arranged at the front end of the U-shaped groove 211 and connected with the rotating shaft 4, the driven sprocket 233 is arranged at the rear end of the U-shaped groove 211, the driven sprockets 233 on two opposite sides are connected through shafts, and the transmission sprocket 232 and the driven sprocket 233 are connected through the chain 231 for transmission. The massage rollers 22 are fixedly arranged on the chain 231 at equal intervals, an upper layer and a lower layer are arranged in the supporting piece 21, and the transmission chain wheel 232 drives the chain 231 to rotate when rotating, so that the massage rollers 22 start to move along the rotating direction of the chain 231 to massage and relax the legs. In this embodiment, under the massage post itself on the massage roller 22 can massage the basis of shank, because the range setting method of massage roller 22 can not accomplish and the shank contacts completely, through rotating along with chain 231 and making the massage roller 22 moves on the plane, increases the basic area of massage roller 22 and shank makes it can carry out more thorough massage to shank muscle and relaxs, and the massage is more even, improves and uses the impression.

In this embodiment, the tail of the physiotherapy couch body 1 is provided with the second fixing seat 12 for fixing the swing chain wheel 33, two sides of the second fixing seat 12 are respectively provided with the rotating disc 36, the rotating disc 36 and the second fixing seat 12 are rotatably connected through a bearing, and the bearing is used for improving the supporting stability of the joint, reducing friction force generated during rotation and improving rotation sensitivity. The rocker 35 is eccentrically arranged on the turntable 36 and is rotatably connected with the middle part of the side wall of the support member 21, and the swing chain wheel 33 drives the eccentrically arranged rocker 35 to start rotating when rotating. Because one end of the supporting member 21 is fixed to the first fixing seat 11, the rocking bar 35 only drives the supporting member 21 to swing up and down around the joint between the supporting member and the first fixing seat 11 when swinging. When the rocker 35 is located at the highest point of the turntable 36, the height of the rear end of the massage mechanism 2 is higher than that of the front end, and when the rocker 35 is located at the lowest point of the turntable 36, the height of the rear end of the massage mechanism 2 is lower than that of the front end, so that the muscles of the legs can be bent, stretched and relaxed through continuous reciprocating up-and-down swinging, and the massage effect is improved. The rotating chain wheel 34 is arranged above the swinging chain wheel 33, so that the maximum strokes of the two ends of the rocker 35 are symmetrical with the horizontal plane of the hinged point at the front end of the massage mechanism 2, and the stress on the legs is more uniform in the massage process. The swing chain wheel 33 is fixedly connected with the rotary table 36 through a shaft, and in the process of driving the massage mechanism to swing up and down through the eccentric rocker, the friction force is large when the rotary table 36 rotates to the highest point and the lowest point, so that parts are prevented from being abraded after long-term use, the swing chain wheel 33 and the rotary table 36 fall off, the rotary table 36 and the shaft are further locked through bolts, the use safety and precision of the massage mechanism are improved, and the service life is prolonged.

In this embodiment, the rocker 35 is hinged to the turntable 36 and the support member 21, and the swinging sprocket 33 is connected to the turntable 36 through a shaft.

In this embodiment, the rear portion of the physiotherapy couch body 1 is provided with a third fixing seat 13 for fixing the driving motor 31 and the driving sprocket 32, the driving motor 31 is horizontally installed on one side of the third fixing seat 13, and the output shaft of the driving motor 31 penetrates through the third fixing seat 13 to be fixedly connected with the driving sprocket 32. Keep away from one side of driving

motor

31, 2 bilateral symmetry of massage mechanism are provided with first fixing base 11 supports fixedly, is close to one side of driving motor 31, the 2 outsides of massage mechanism are provided with first fixing base 11 with axis of rotation 4 is connected and is played the support fixed action, 2 inboards of massage mechanism owing to can with driving motor 31 produces the interference, consequently does not set up extra first fixing base 11, only relies on axis of rotation 4 supports the connection. Simultaneously be provided with the bracing piece between two adjacent first fixing base 11 and be used for strengthening first fixing base 11's structural stability improves the security performance.

In this embodiment, the driving sprocket 32, the swinging sprocket 33 and the rotating sprocket 34 are located on the same horizontal plane in the vertical direction, and the rotating sprocket 34 is disposed above the swinging sprocket 33. The driving chain wheel 32, the swinging chain wheel 33 and the rotating chain wheel 34 synchronously rotate in a chain transmission mode. In the working process, the driving motor 31 is started to drive the driving chain connecting wheel 32 to start rotating, the swinging chain wheel 33 and the rotating chain wheel 34 start to synchronously rotate under the action of chain transmission, the massage roller 22 connected with the rotating chain wheel 34 starts to rotate along the rotating direction of the synchronous chain wheel 23 to massage the leg muscles, and the massage roller 22 can perform plane movement along with the chain 231, so that the massage roller 22 is completely contacted with the leg muscles, the massage is more uniform, and the use effect is improved; massage roller 22 when massaging shank muscle, swing sprocket 33 rotates simultaneously, drives rocker 35 begins eccentric rotation, support piece 21 begins the luffing motion, bends to stretch to the shank and relaxs, makes to relax more comprehensive to the massage of shank, strengthens the comfort level of shank, improves the massage effect. Meanwhile, in the scheme, the swing of the leg pressing mechanism 2 and the rotation of the massage roller 22 in the leg pressing mechanism are controlled by one motor, so that the cost is reduced, and the driving structure is simplified. Through different sprockets with the shank is according to the connected mode of difference between mechanism 2, can a motor simultaneous drive a plurality of sprockets realize different massage functions, and the structure is compacter, and massage effect is better, and control driving motor 31's rotational speed and turn to, just can be right the shank is controlled according to mechanism 2's massage frequency and direction of rotation, and it is more convenient to use.

In this embodiment, the outer side of the massage mechanism 2 is provided with a U-shaped fixing frame 5, the massage mechanism 2 is arranged in the groove of the U-shaped fixing frame 5, and a heating sheet 52 is arranged between the U-shaped fixing frame 5 and the bottom of the massage mechanism 2, so as to heat the legs simultaneously during the massage process. Air bags 51 are arranged on the inner walls of two sides of the U-shaped fixing frame 5, and when the U-shaped fixing frame is used, the air bags 51 are inflated to extrude and fix the legs. Preferably, the front end of the groove of the U-shaped fixing frame 5 is provided with a convex point 53, when the massage mechanism 2 is used, the knee of the leg is bent and placed, the convex point 53 and the knee nest form extrusion, when the U-shaped fixing frame 5 swings along with the massage mechanism 2, the convex point 53 extrudes and massages the knee nest, multi-dimensional massage is carried out on the leg, and the massage effect is improved. The tops of the convex points 53 are smooth circular arcs, so that the contact parts are prevented from scratching the knee sockets in the massage process.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A leg massage mechanism, which is characterized by comprising,

two groups of massage mechanisms (2), wherein each massage mechanism (2) comprises a support part (21) and a plurality of massage rollers (22) rotatably arranged on the support part (21),

drive mechanism (3), drive mechanism (3) include driving motor (31), drive sprocket (32), swing sprocket (33) and rotate sprocket (34), massage mechanism (2) front end articulate to rotate sprocket (34), swing sprocket (33) with rotate sprocket (34) through chain drive mode with set up and be in drive motor (31) output shaft end drive sprocket (32) are connected, swing sprocket (33) both sides are eccentric respectively and are provided with rocker (35), the top of rocker (35) articulates to the middle part of support piece (21), rocker (35) are used for the drive massage mechanism (2) with rotate sprocket (34) and carry out the swing back and forth as the center, rotate sprocket (34) through chain drive with massage roller (22) are connected.

2. The leg massage mechanism according to claim 1, wherein a first fixing seat (11) is respectively disposed at the outer sides of the two supporting members (21), one end of each supporting member (21) is rotatably connected to the top of the first fixing seat (11) through the rotating shaft (4), the rotating chain wheel (34) is disposed at the center of the rotating shaft (4), the two sides of each supporting member (21) are provided with synchronous chain wheels (23) connected to the massage roller (22), and the two ends of the rotating shaft (4) are connected to the synchronous chain wheels (23).

3. The leg massage mechanism according to claim 2, wherein the synchronous sprocket wheel (23) comprises a chain (231) and a transmission sprocket wheel (232), the massage rollers (22) are fixedly arranged on the chain (231) at equal intervals, the transmission sprocket wheel (232) is fixedly connected with the rotating shaft (4), and the transmission sprocket wheel (232) drives the massage rollers (22) arranged on the chain (231) to move when rotating.

4. The leg massage mechanism according to claim 3, wherein the massage roller (22) comprises a connecting shaft (221) and a massage sleeve (222) sleeved outside the connecting shaft (221), and both ends of the connecting shaft (221) are fixedly connected with the chain (231).

5. The leg massage mechanism according to claim 1, further comprising a second fixing seat (12) for fixing the swinging chain wheel (33), wherein two sides of the second fixing seat (12) are respectively provided with a rotating disc (36) fixedly connected with the swinging chain wheel (33), and the rocker (35) is eccentrically arranged on the rotating disc (36) and connected with the middle of the side wall of the support member (21).

6. A leg massage mechanism according to claim 5, wherein the rocker (35) is hinged to the turntable (36) and to the support (21), and the oscillating sprocket (33) is connected to the turntable (36) by a shaft.

7. The leg massage mechanism according to claim 1, wherein the driving sprocket (32), the swinging sprocket (33) and the rotating sprocket (34) are vertically located at the same horizontal plane, the driving motor (31) drives the driving sprocket (32) to rotate, and the driving sprocket (32), the swinging sprocket (33) and the rotating sprocket (34) synchronously rotate in a chain transmission manner.

8. The leg massage mechanism according to claim 1, further comprising a U-shaped fixing frame (5) disposed outside the massage mechanism (2), wherein air bags (51) are disposed on two sides of the U-shaped fixing frame (5), a heating plate (52) is disposed on an inner bottom surface of the U-shaped fixing frame (5), and the massage mechanism (2) is mounted above the heating plate (52).

9. A leg massage mechanism according to claim 8, wherein the U-shaped frame (5) is provided with protruding points (53) at the front end, the protruding points (53) being used for forming a compression at the knee fossa.