CN213284121U

CN213284121U - Small-size massage armchair chair frame structure

Info

Publication number: CN213284121U
Application number: CN202020654540.2U
Authority: CN
Inventors: 李玉彩
Original assignee: Ofree Fujian Electronics Technology Co ltd
Current assignee: Ofree Fujian Electronics Technology Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-05-28
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a small-size massage armchair chair frame structure, including base, chair frame, linear drive device, leg frame and link mechanism, bilateral symmetry is provided with curved track on the base, chair frame bilateral symmetry be provided with the gyro wheel that the track matches, respectively there are at least two about the gyro wheel, the gyro wheel can be followed rail-mounted ground sets up on the track, the chair frame front end articulates and is provided with the leg frame, linear drive device articulates the setting and is in on the base, the linear drive device output with chair frame bottom is articulated, link mechanism includes first connecting rod, second connecting rod, third connecting rod and swing arm, the first end of swing arm with chair frame bottom is articulated. When the chair is used, the linear driving device drives the chair frame to rotate and drives the leg frame to rotate relative to the chair frame through the connecting rod mechanism, so that the upper half body and the lower half body of a human body can be adjusted in relative angles to form different prone positions, and the use is flexible and convenient.

Description

Small-size massage armchair chair frame structure

Technical Field

The utility model relates to the technical field of massage chairs, in particular to a small-sized massage chair frame structure.

Background

Along with the continuous improvement of living standard of people, the frequency that massage armchair appears and uses in people's daily life also is higher and higher, and massage armchair includes chair frame, leg frame and base, and the chair frame rotationally sets up on the base, the leg frame rotationally sets up at the chair frame front end.

However, in the prior art, since the chair frame is fixedly connected with the leg frame, when the chair frame is lifted up and put down, the leg frame cannot rotate relative to the chair frame, so that the upper half body and the lower half body of the human body cannot be adjusted relative to each other to form different lying positions, and the user cannot be adjusted to a self-comfortable lying position according to needs.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a small-size massage armchair chair frame structure, can adjust the relative contained angle of leg frame and chair frame in a flexible way to adjust the relative angle of human upper body and lower body, adjust the prone position.

In order to solve the technical problem, the utility model discloses a technical scheme does: a small-sized massage chair frame structure comprises a base, a chair frame, a linear driving device, leg frames and a connecting rod mechanism, wherein arc-shaped tracks are symmetrically arranged on the base in the left-right direction, rollers matched with the tracks are symmetrically arranged on the chair frame in the left-right direction, at least two rollers are respectively arranged on the left side and the right side of each roller, the rollers can be movably arranged on the tracks along the tracks, the leg frames are hinged to the front end of the chair frame, the linear driving device is hinged to the base, the output end of the linear driving device is hinged to the bottom of the chair frame, the connecting rod mechanism comprises a first connecting rod, a second connecting rod, a third connecting rod and a swing arm, the first end of the swing arm is hinged to the bottom of the chair frame, the second end of the swing arm is hinged to the first connecting rod, the hinged position of the second end of the swing arm is located between the two ends of the first connecting rod, the upper end of the first connecting rod is hinged to the lower end of the second connecting rod, the upper end of the second connecting rod is hinged to the third connecting rod, the hinged position of the second connecting rod is located between the two ends of the third connecting rod, the upper end of the third connecting rod is hinged to the front end of the chair frame, and the lower end of the third connecting rod is abutted to the back of the leg frame.

By adopting the technical scheme, when the chair is used, the linear driving device drives the chair frame to rotate, and the leg frame is driven to rotate relative to the chair frame through the first connecting rod, the second connecting rod, the third connecting rod and the swing arm, so that the relative angle of the upper half body and the lower half body of a human body can be adjusted to form different prone positions, and the chair is flexible and convenient to use and high in practicability.

Preferably, the lower end of the first link is rotatably provided with a roller, and the roller is abutted against the back of the leg frame.

Preferably, the outer surface of the roller is provided with an anti-slip layer, and the anti-slip layer is made of rubber.

Preferably, the linear driving device is an electric push rod.

Preferably, the base, the chair frame, the leg frame, the first connecting rod, the second connecting rod, the third connecting rod and the swing arm are all made of stainless steel.

Preferably, an angle sensor is arranged on the chair frame.

Preferably, the left and right of each roller are respectively provided with two rollers, and the gravity center formed by matching the chair frame and the leg frame is always positioned in the projection of the area defined by the four rollers on the horizontal plane in the moving process of the chair frame.

Preferably, the distance between the left track and the right track is 0.5-0.7 m.

Drawings

Fig. 1 is a schematic view of an embodiment of the present invention;

fig. 2 is a schematic view of another state of an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

fig. 4 is a partial schematic view of an embodiment of the present invention;

FIG. 5 is a partial enlarged view of portion B of FIG. 4;

fig. 6 is a partially enlarged view of a portion C in fig. 4.

In the figure, 1-base, 11-track, 2-chair frame, 21-roller, 3-linear driving device, 4-leg frame, 5-link mechanism, 51-first link, 52-second link, 53-third link, and 54-swing arm.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1, in a first embodiment, a small massage chair frame structure is provided, which includes a base 1, a chair frame 2, a linear driving device 3, a leg frame 4 and a link mechanism 5, wherein the base 1 is symmetrically provided with an arc-shaped rail 11, the chair frame 2 is symmetrically provided with at least two rollers 21 matching with the rail 11, the rollers 21 are respectively provided at the left and right sides, the rollers 21 are movably disposed on the rail 11 along the rail 11, the front end of the chair frame 2 is hinged with the leg frame 4, the linear driving device 3 is hinged on the base 1, the output end of the linear driving device 3 is hinged with the bottom of the chair frame 2, the link mechanism 5 includes a first link 51, a second link 52, a third link 53 and a swing arm 54, the first end of the swing arm 54 is hinged with the bottom of the chair frame 2, the second end of the swing arm 54 is hinged with the first link 51, the hinged position is located between two ends of the first link 51, the lower end of the first link 51 is hinged, the upper end of the first connecting rod 51 is hinged with the lower end of the second connecting rod 52, the upper end of the second connecting rod 52 is hinged with the third connecting rod 53, the hinged position of the upper end of the second connecting rod 52 is positioned between the two ends of the third connecting rod 53, the upper end of the third connecting rod 53 is hinged with the front end of the chair frame 2, and the lower end of the third connecting rod 53 is abutted against the back of the leg frame 4. When the chair is used, the linear driving device 3 drives the chair frame 2 to rotate, and drives the leg frame 4 to rotate relative to the chair frame 2 through the first connecting rod 51, the second connecting rod 52, the third connecting rod 53 and the swing arm 54, so that the relative angle of the upper half body and the lower half body of a human body can be adjusted to form different prone positions, and the chair is flexible and convenient to use and high in practicability.

Further, in the second embodiment, the lower end of the first link 51 is rotatably provided with the roller 21, and the roller 21 abuts against the back of the leg 4. The arrangement of the roller 21 can improve the contact between the lower end of the first connecting rod 51 and the back of the leg 4, reduce sliding wear and prolong the service life of parts.

Further, in the third embodiment, the outer surface of the roller 21 has an anti-slip layer made of rubber. The skid resistant layer can prevent the roller 21 from skidding, and is simple and practical. Of course, in practical applications, the anti-slip layer may be made of resin, silica gel, or other materials, but is not limited thereto.

Further, in the fourth embodiment, the linear driving device 3 is an electric push rod. The electric push rod has small volume, small mass, convenient installation and use and high efficiency, and certainly, in practical application, the linear driving device 3 can also be a cylinder, a linear motor and the like, but is not limited to the cylinder, the linear motor and the like.

Further, in the fifth embodiment, the base 1, the chair frame 2, the leg frame 4, the first link 51, the second link 52, the third link 53, and the swing arm 54 are all made of stainless steel. The stainless steel is corrosion resistant, high in strength and long in service life. Of course, in practical application, carbon structural steel may be used instead of stainless steel, but is not limited thereto.

Further, in the sixth embodiment, an angle sensor is provided on the seat frame 2. Angle sensor can real-time detection chair frame 2 and the relative inclination in ground to carry out accurate regulation and control to the different inclination of chair frame 2.

Further, in the seventh embodiment, there are two rollers 21 on the left and right, and the center of gravity formed by the cooperation of the chair frame 2 and the leg frame 4 is always located in the projection of the area surrounded by the four rollers 21 on the horizontal plane during the movement process. The four-connecting-rod lifting mechanism for the massage chair legs can be stable in structure, stable and reliable in operation and not prone to overturning.

Further, in the eighth embodiment, the distance between the left and right rails 11 is 0.5 to 0.7 m. The size design can cover most of human body sizes and reduce space waste.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. A small-size massage armchair chair frame structure which characterized in that: comprises a base (1), a chair frame (2), a linear driving device (3), leg frames (4) and a connecting rod mechanism (5), wherein the base (1) is symmetrically provided with an arc-shaped track (11), the chair frame (2) is symmetrically provided with rollers (21) matched with the track (11), the left and the right of the rollers (21) are respectively provided with at least two, the rollers (21) can be movably arranged on the track (11) along the track (11), the front end of the chair frame (2) is hinged with the leg frames (4), the linear driving device (3) is hinged on the base (1), the output end of the linear driving device (3) is hinged with the bottom of the chair frame (2), the connecting rod mechanism (5) comprises a first connecting rod (51), a second connecting rod (52), a third connecting rod (53) and a swinging arm (54), the first end of the swinging arm (54) is hinged with the bottom of the chair frame (2), swing arm (54) second end with first connecting rod (51) are articulated and its articulated department is located between first connecting rod (51) both ends, first connecting rod (51) lower extreme with base (1) bottom front end is articulated, first connecting rod (51) upper end with second connecting rod (52) lower extreme is articulated, second connecting rod (52) upper end with third connecting rod (53) are articulated and its articulated department is located between third connecting rod (53) both ends, third connecting rod (53) upper end with chair frame (2) front end is articulated, third connecting rod (53) lower extreme with leg frame (4) back butt.

2. The frame structure of a small massage chair according to claim 1, wherein: the lower end of the first connecting rod (51) is rotatably provided with a roller (21), and the roller (21) is abutted against the back of the leg frame (4).

3. The frame structure of a small-sized massage armchair according to claim 2, characterized in that: the outer surface of the roller (21) is provided with an anti-slip layer, and the anti-slip layer is made of rubber.

4. The frame structure of a small massage chair according to claim 1, wherein: the linear driving device (3) is an electric push rod.

5. The frame structure of a small massage chair according to claim 1, wherein: the base (1), the chair frame (2), the leg frame (4), the first connecting rod (51), the second connecting rod (52), the third connecting rod (53) and the swing arm (54) are all made of stainless steel.

6. The frame structure of a small massage chair according to claim 1, wherein: an angle sensor is arranged on the chair frame (2).

7. The frame structure of a small massage chair according to claim 1, wherein: the left and the right of the roller wheels (21) are respectively provided with two, and the gravity center formed by matching the chair frame (2) and the leg frame (4) is always positioned in the projection of the area surrounded by the four roller wheels (21) on the horizontal plane in the moving process.

8. The frame structure of a small massage chair according to claim 1, wherein: the distance between the left track (11) and the right track (11) is 0.5-0.7 m.