CN113827435A

CN113827435A - Massage chair

Info

Publication number: CN113827435A
Application number: CN202010510556.0A
Authority: CN
Inventors: 刘瀛; 林美满; 陈江智; 蔡辉平; 张伟
Original assignee: Mengfali Rice Field Health Technology Xiamen Co ltd
Current assignee: Mengfali Rice Field Health Technology Xiamen Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-12-24
Anticipated expiration: 2040-06-08
Also published as: CN113827435B

Abstract

The invention provides a massage chair which comprises a base, a walking frame, a driving piece, a swing arm and a connecting rod, wherein a sliding rail is arranged on the base. The massage chair provided by the invention has the advantages that the arc-shaped structure which is bent towards the direction far away from the walking frame is arranged on the base, the walking frame can be arranged on the sliding rail in a sliding manner, the walking frame is connected with the driving piece arranged on the base through the connecting rod, the connecting rod is respectively connected with the eccentric position of the driving piece and the walking frame through the first hinge and the second hinge, and two positions where the output rotating shaft of the driving piece and the two hinges of the connecting rod are the same straight line are used as two limit positions for swinging of the walking frame, so that the required force is minimum and the power consumption is minimum when the driving piece drives the walking frame to swing.

Description

Massage chair

Technical Field

The invention belongs to the technical field of massage instruments, and particularly relates to a massage chair.

Background

The massage chair frame in the prior art has one part which has only the functions of lifting the back and lifting the legs and has no swinging function; one part of the chair frame runs in the arc-shaped guide rail through the back lifting and falling walking wheels, so that the back lifting and falling are simultaneously carried out with a motion track swinging back and forth, and the back lifting and falling and the swinging cannot be simultaneously carried out due to the driving of the back rest push rod, the swinging under different back falling angles cannot be realized, and the chair frame has unsmooth swinging function and poor user experience; one part of the chair has the functions of lifting and falling back and swinging, but the swinging function is not driven by a motor, but the base contacted with the ground is designed into an arc shape, the chair is swung by a user stepping on the ground, the user can not completely relax the body, and the experience feeling is not ideal; and a part of the chair frame has the functions of lifting and falling back and swinging, and the motor is also adopted for driving to obtain the swinging function, but the motor driving force of the chair frame is large, and the consumed energy is high.

Disclosure of Invention

The invention provides a massage chair which comprises a base, a walking frame, a driving piece, a swing arm and a connecting rod, wherein a slide rail is arranged on the base; the walking frame is slidably arranged on the sliding rail of the base, the driving piece is arranged on the base, one end of the swing arm is fixedly connected with the output rotating shaft of the driving piece, the other end of the swing arm is connected with one end of the connecting rod through a first hinge, and the other end of the connecting rod is connected with the walking frame through a second hinge; the sliding rail is of an arc-shaped structure which is bent towards the direction far away from the walking frame, the driving piece is arranged in the middle of the sliding rail, and when the output rotating shaft of the driving piece rotates to enable the output rotating shaft, the first hinge and the second hinge to be located on the same straight line, the two positions where the walking frame is located are two limit positions where the walking frame swings.

The massage chair provided by the invention has the advantages that the arc-shaped structure which is bent towards the direction far away from the walking frame is arranged on the base, the walking frame can be arranged on the sliding rail in a sliding manner, the walking frame is connected with the driving piece arranged on the base through the connecting rod, the connecting rod is respectively connected with the eccentric position of the driving piece and the walking frame through the first hinge and the second hinge, and two positions where the output rotating shaft of the driving piece and the two hinges of the connecting rod are the same straight line are used as two limit positions for swinging of the walking frame, so that the required force is minimum and the power consumption is minimum when the driving piece drives the walking frame to swing.

Drawings

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

FIG. 2 is an exploded view of the base and track of FIG. 1;

FIG. 3 is a schematic view of the walking frame in FIG. 1 in a state of swinging to the rear end;

FIG. 4 is a schematic view of the walking frame in FIG. 1 in a state of swinging to the front end;

FIG. 5 is a schematic view of the driving member of the walking frame of FIG. 1 under stress;

FIG. 6 is a schematic view of the seat back frame in FIG. 1 in a state of not falling back when the walking frame swings to the front end;

FIG. 7 is a schematic view of the seat back frame in FIG. 1 in a reversed back state when the walking frame swings to the front end;

FIG. 8 is a schematic view of the carriage of FIG. 1 coupled to a drive member;

FIG. 9 is a schematic view of the assembly of the rollers and the sliding rails of the walking frame of FIG. 1;

fig. 10 is a schematic view of the encoder wheel of fig. 1 coupled to a drive member.

Reference numerals:

10 base 11 slide rail 20 walking frame

22 roller 30 driving piece 31 swing arm

32-link 33 coding wheel 40 seat back frame

41 first push rod 50 lower leg massage Assembly 51 second push rod

201 second hinge 301 output shaft 321 first hinge

Detailed Description

The invention is described in detail below with reference to specific embodiments and the attached drawing figures:

the embodiment of the invention provides a massage chair, which comprises a base 10, a walking frame 20, a driving piece 30, a swing arm 31 and a connecting rod 32, wherein a sliding rail 11 is arranged on the base 10; the walking frame 20 is slidably disposed on the sliding rail 11 of the base 10, the driving member 30 is disposed on the base 10, one end of the swing arm 31 is fixedly connected to the output rotating shaft 301 of the driving member 30, the other end of the swing arm 31 is connected to one end of the connecting rod 32 through a first hinge 321, and the other end of the connecting rod 32 is connected to the walking frame 20 through a second hinge 201; the slide rail 11 is an arc structure that is curved away from the walking frame 20, the driving member 30 is disposed in the middle of the slide rail 11, and when the output rotating shaft 301 of the driving member 30 rotates to make the output rotating shaft 301, the first hinge 321, and the second hinge 201 located on the same straight line, the two positions of the walking frame 20 are two extreme positions of the swing of the walking frame 10.

In specific implementation, as shown in fig. 1 to 4: the left side and the right side above the massage armchair base are provided with slide rails 11 along the front-back direction of the massage armchair, the two slide rails 11 are arc-shaped, the two slide rails 11 are arranged in parallel, and the two slide rails 11 are protruded towards the base; the two slide rails 11 are fixed with the base 10; the walking frame 20 is fixedly provided with two supporting shafts 21 along the left side and the right side of the massage armchair, two ends of the two supporting shafts 21 are provided with rollers 22, the rollers 22 at two ends of the two supporting shafts 21 are arranged on the sliding rails 11 at the left side and the right side of the massage armchair base, and the walking frame 20 can slide along the sliding rails 11 through the rollers 22, so that the massage armchair can realize swinging motion; the base 10 is provided with a driving member 30, the driving member 30 is preferably a motor, an output rotating shaft 301 of the driving member 30 is connected to one end of a swing arm 31, the other end of the swing arm 31 is hinged to one end of a connecting rod 32, and the other end of the connecting rod 32 is hinged to the walking frame 20, so that when the output rotating shaft 301 of the driving member 30 rotates, the connecting rod 32 can be driven to rotate around a position having a certain distance from the output rotating shaft 301 of the driving member 20, thereby driving the walking frame 20 to slide along the slide rail 11, and enabling the massage chair to realize a swinging motion.

As shown in fig. 5, the link load force is F, the tangential force applied to the driving element 30 is F ', the length R of the swing arm 31 is F1 ═ F1' xR, F2 ═ F2 '× R, and F3 ═ F3' × R, when the walking frame 20 is located on the same straight line with the output rotating shaft 301, the first hinge 321, and the second hinge 201, that is, when the walking frame 20 swings to the frontmost end and the rearmost end, the tangential forces F1 'and F2' applied to the driving element 30 are minimum, that is, the acting force of the link 32 on the driving element 30 is minimum; when the walking frame 20 is in the middle area between the foremost end and the rearmost end, the tangential force F3' borne by the driving member 30 is larger, and the acting force of the connecting rod 32 on the driving member 30 is larger, so that the walking frame 20 is stopped to swing to the foremost end or the rearmost end to be used as a swing initial position, the driving member 30 is started with least effort, and the low-speed starting stability is improved.

The massage chair provided by the invention has the advantages that the slide rail 11 with the arc structure which is bent towards the direction away from the walking frame is arranged on the base 10, the walking frame 20 can be arranged on the slide rail 11 in a sliding way, the walking frame 20 is connected with the driving piece 30 arranged on the base 10 through the connecting rod 32, the connecting rod 32 is respectively connected with the eccentric position of the driving piece 30 and the walking frame 20 through the first hinge 321 and the second hinge 201, and two positions where the output rotating shaft 301 of the driving piece 30 and two hinges at two ends of the connecting rod 32 are in the same straight line are used as two limit positions of the swinging of the walking frame 20, so when the driving piece 30 drives the walking frame 20 to swing, the required force is minimum, and the power consumption is minimum.

Preferably, the driving member 30 is mounted with a code wheel 33 (shown in fig. 10) rotating synchronously with the output shaft 301 of the driving member 30 for controlling the swing stop position of the traveling frame 20. In specific implementation, a synchronous rotating code disc 33 is installed on the driving member 30, and the swing stop position of the walking frame 20 is controlled by an optical coupling signal (through a swing counting detection PCB).

Preferably, as shown in fig. 3: the second hinge 201 is located on the side of the walking frame 20 near the front end of the massage chair (i.e. the massage chair is provided with the calf massage assembly), and when the output rotating shaft 301 is located between the first hinge 321 and the second hinge 201, the limit position of the walking frame 20 is the starting position of the swing of the walking frame 20.

In specific implementation, as shown in fig. 3: in order to provide better experience for the user, the walking frame 20 is located at the rear end of the massage chair in the front-back direction (the back end of the massage chair is the rear end, and the lower leg side of the massage chair is the front end) as the starting position for the walking frame 20 to swing, and the output rotating shaft 301 of the driving member 30 is located between the first hinge 321 and the second hinge 201.

Preferably, the connecting rod 32 and the swing arm 31 are connected by a self-aligning ball bearing.

In specific implementation, as shown in fig. 8: in order to avoid that the axial direction of the driving rotating shaft 302 of the driving part 30 is not perpendicular to the connecting rod 32 due to the accumulation of machining or installation errors, so that the swinging vibration occurs, and even the service lives of bearings at two ends of the connecting rod 32 and a gear box are reduced, a self-aligning ball bearing is installed at the connecting position between the connecting rod 32 and the driving part 30, and the universal centering performance (shown in figure 8) of the self-aligning ball bearing is utilized, so that the errors caused by non-concentricity and shaft deflection can be compensated, the universal adjustment characteristic is achieved, and the errors can be eliminated so as to avoid the swinging vibration.

Preferably, as shown in fig. 6 and 7: this walking frame 20 is equipped with two support shafts 21 along this massage armchair left and right sides direction parallel, the both ends of support shaft 21 all are equipped with gyro wheel 22, gyro wheel 22 is located the slide rail 11 of this base 10, and this walking frame 20 passes through gyro wheel 22 sways along the slide rail 11 of this base 10.

Preferably, the outer circumference of the roller 22 is disposed in a trapezoidal groove or a semicircular groove, the sliding rail 11 is correspondingly disposed with a protrusion, and the trapezoidal groove or the semicircular groove of the roller 22 is adapted to the protrusion.

In specific implementation, as shown in fig. 9: the outer circumference of the roller 22 is designed into a trapezoidal groove or a semicircular groove, and the slide rail 11 is designed into a corresponding shape, so that the roller 22 can automatically guide the rolling direction in the rolling process without left and right shaking, and meanwhile, the roller 22 is internally provided with a ball bearing, so that the friction resistance is small during swinging.

Preferably, as shown in fig. 1: the folding seat is characterized by further comprising a seat back frame 40, the seat back frame 40 is hinged with the walking frame 20, a first push rod 41 is arranged between the seat back frame 40 and the walking frame 20, two ends of the first push rod 41 are respectively hinged with the seat back frame 40 and the walking frame 20, and the first push rod 41 is driven by an electric motor.

Preferably, the arc portion of the backrest portion of the seat back frame 40 connected to the seat portion is located above the space between the two support shafts 21. In specific implementation, as shown in fig. 1: by adopting the design, no matter the gravity center position of a user sitting on the seat-back frame 40 is at any back-falling angle, the gravity center of the human body is always kept between the front and rear rollers 22, the stress of the front and rear rollers 22 is always kept downward, and therefore the walking frame 20 is always kept balanced, and the swinging stability is guaranteed.

Preferably, as shown in fig. 1: a shank massage component 50 is hinged at a position of the seat back frame 40 corresponding to the shank of the user, a second push rod 51 is arranged between the shank massage component 50 and the seat back frame 40, two ends of the second push rod 51 are respectively hinged with the shank massage component 50 and the seat back frame 40, and the second push rod 51 is driven by an electric motor.

In specific implementation, as shown in fig. 1: the first push rod 41 and the second push rod 51 are both electric motor push rods, and both push rods work independently of the driving member 30 of the traveling frame 20.

Claims

1. A massage chair comprises a base, wherein a slide rail is arranged on the base, and the massage chair is characterized by further comprising a walking frame, a driving piece, a swing arm and a connecting rod; the walking frame is slidably arranged on the sliding rail of the base, the driving piece is arranged on the base, one end of the swing arm is fixedly connected with the output rotating shaft of the driving piece, the other end of the swing arm is connected with one end of the connecting rod through a first hinge, and the other end of the connecting rod is connected with the walking frame through a second hinge; the sliding rail is of an arc-shaped structure which is bent towards the direction far away from the walking frame, the driving piece is arranged in the middle of the sliding rail, and when the output rotating shaft of the driving piece rotates to enable the output rotating shaft, the first hinge and the second hinge to be located on the same straight line, the two positions where the walking frame is located are two limit positions where the walking frame swings.

2. The massage chair as claimed in claim 1, wherein: one of the two extreme positions of the walking frame is the starting position of the walking frame swing.

3. The massage chair as claimed in claim 2, wherein: the driving part is provided with a coding disc which rotates synchronously with the output rotating shaft of the driving part and is used for controlling the swing stop position of the walking frame.

4. The massage chair as claimed in claim 2, wherein: the second hinge is positioned on one side of the walking frame close to the front end of the massage chair, and when the output rotating shaft is positioned between the first hinge and the second hinge, the limit position of the walking frame is the starting position of the swinging of the walking frame.

5. The massage chair as claimed in claim 1, wherein: the connecting rod is connected with the swing arm through a self-aligning ball bearing.

6. The massage chair as claimed in claim 1, wherein: this walking frame is equipped with two supporting axles along this massage armchair left and right sides direction parallel, the both ends of supporting axle all are equipped with the gyro wheel, the gyro wheel is located the slide rail of this base, and this walking frame passes through the gyro wheel sways along the slide rail of this base.

7. The massage chair as claimed in claim 6, wherein: the outer circumference of the roller is arranged in a trapezoidal groove or a semicircular groove, a protrusion is correspondingly arranged on the slide rail, and the trapezoidal groove or the semicircular groove on the roller is matched with the protrusion.

8. The massage chair as claimed in claim 6, wherein: the seat back frame is hinged to the walking frame, a first push rod is arranged between the seat back frame and the walking frame, two ends of the first push rod are respectively hinged to the seat back frame and the walking frame, and the first push rod is driven by an electric motor.

9. The massage chair as claimed in claim 8, wherein: the arc part of the backrest part of the seat back frame, which is connected with the seat part, is positioned above the space between the two support shafts.

10. The massage chair as claimed in claim 9, wherein: the position of the seat back frame corresponding to the crus of the user is hinged with a crus massage component, a second push rod is arranged between the crus massage component and the seat back frame, and the two ends of the second push rod are respectively hinged with the crus massage component and the seat back frame.