CN113520089A

CN113520089A - Four-bar chair frame structure

Info

Publication number: CN113520089A
Application number: CN202110797006.6A
Authority: CN
Inventors: 陆杰天
Original assignee: Zhejiang Mosha Health Technology Co ltd
Current assignee: Zhejiang Mosha Health Technology Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-10-22

Abstract

The invention discloses a four-bar chair frame structure, which comprises a backrest frame assembly, a front support frame assembly, a rear support frame assembly and a base assembly, wherein the upper end and the lower end of the front support frame assembly and the lower end of the rear support frame assembly are respectively hinged with the backrest frame assembly and the base assembly, and a push rod motor for adjusting the inclination angle of the backrest frame assembly is arranged between the front support frame assembly and the backrest frame assembly or between the rear support frame assembly and the backrest frame assembly. The massage chair has the advantages that the front support frame assembly or the rear support frame assembly is hinged with the backrest frame assembly through the push rod motor, the backrest frame and the angle between the backrest frame and the backrest frame are changed by pushing and pulling the push rod motor to realize the lifting of the massage chair, the lifting of the massage chair with a large angle can be realized, the push rod motor is pushed to the maximum in a standby state, the floor area of the whole massage chair is extremely small when the angle of the massage chair is raised to the maximum, the structure is simple, the assembly is rapid, the universality is high, the cost is low, and the stability and the strength of the whole chair frame are high.

Description

Four-bar chair frame structure

Technical Field

The invention belongs to the technical field of massage chairs, and particularly relates to a four-bar chair frame structure.

Background

The massage chair utilizes the mechanical rolling force action and the mechanical force extrusion to carry out massage, and the manual massage can dredge channels and collaterals, lead qi and blood to circulate and keep the yin-yang balance of the organism, so that people can feel relaxed muscles after massage, have flexible joints, excite people, eliminate fatigue and play an important role in ensuring the health.

Along with the improvement of people's standard of living, more and more families begin to buy domestic massage armchair, but the prerequisite of buying the massage armchair is that the family will have certain space to put down the massage armchair, and the medium and large-scale massage armchair on the market all belongs to the great furniture items of occupation of land in the family no matter in operating condition or standby state, and its structure is comparatively complicated, and support cost is higher, therefore, the massage armchair of current structure no matter from the price or the area all very big restriction its use widely on the family is used.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide a four-bar massage chair frame structure which is extremely simple and occupies small area.

The invention is realized by the following technical scheme:

the four-bar chair frame structure comprises a backrest frame assembly, a front support frame assembly, a rear support frame assembly and a base assembly, wherein the upper end and the lower end of the front support frame assembly and the lower end of the rear support frame assembly are respectively hinged with the backrest frame assembly and the base assembly.

Preferably, the front support frame assembly and the rear support frame assembly both comprise two support rods, the two support rods forming the front support frame assembly are connected through a front cross beam, the two support rods forming the rear support frame assembly are connected through a rear cross beam, and the push rod motor is installed between the front cross beam and the backrest frame assembly or between the rear cross beam and the backrest frame assembly.

Preferably, a U-shaped mounting rod is fixedly arranged on one side face, facing the base assembly, of the backrest frame assembly, one end, provided with a motor, of the push rod motor is hinged to the middle of the front cross beam or the middle of the rear cross beam, and one end, provided with a push rod, of the push rod motor is hinged to the middle of the U-shaped mounting rod.

Preferably, a reinforcing rod is arranged between the U-shaped mounting rod and the backrest frame assembly.

Preferably, the upper ends of the front support frame assembly and the rear support frame assembly are hinged to the front part of the backrest frame assembly and are arranged at intervals, and the lower ends of the front support frame assembly and the rear support frame assembly are correspondingly hinged to the front part and the middle part of the base assembly.

Preferably, the upper and lower ends of the front support frame assembly and the rear support frame assembly are hinged by pin shafts or shaft shoulder bolts.

The invention relates to a four-connecting-rod massage chair frame, which is characterized in that a brand-new massage chair structure improvement is made aiming at the problem of large occupied area of the existing massage chair, a front support frame assembly or a rear support frame assembly is hinged with a backrest frame assembly through a push rod motor, the lifting of the massage chair is realized by changing the angle between the backrest frame and a backrest frame through the push-pull of the push rod motor, the lifting of the massage chair with a large angle can be realized, the push rod motor is pushed to the maximum in a standby state, the occupied area of the whole massage chair is extremely small when the angle of the massage chair is raised to the maximum, the structure is simple, the assembly is rapid, the universality is high, the cost is low, and the stability and the strength of the whole chair frame are high.

Drawings

FIG. 1 is an exploded view of example 1;

FIGS. 2 to 3 are schematic structural views of two different adjustment angles in the embodiment 1;

FIG. 4 is an exploded view of example 2;

FIGS. 5 to 6 are schematic views of two different angle-adjusting structures according to embodiment 2;

in the figure, 1-backrest frame assembly, 2-front support frame assembly, 3-rear support frame assembly, 4-base assembly, 5-push rod motor, 6-support rod, 7-front beam, 8-rear beam and 9-U-shaped mounting rod.

Detailed Description

The invention is further described in detail below with reference to the accompanying drawings, and specific examples are given to better understand the technical solution.

Example 1

As shown in fig. 1-3, a four-bar chair frame structure comprises a backrest assembly 1, a front support assembly 2, a rear support assembly 3, and a base assembly 4, wherein the upper and lower ends of the front support assembly 2 and the rear support assembly 3 are respectively hinged with the backrest assembly 1 and the base assembly 4, specifically, the upper ends of the front support assembly 1 and the rear support assembly 3 are hinged at the front of the backrest assembly 1 and are arranged at intervals, the lower ends of the front support assembly 2 and the rear support assembly 3 are correspondingly hinged at the front and middle positions of the base assembly 4, wherein the front support assembly 2 and the rear support assembly 3 respectively comprise two support rods 6, the two support rods 6 forming the front support assembly 2 are connected through a front cross beam 7, the two support rods 6 forming the rear support assembly 3 are connected through a rear cross beam 8, the upper ends of all the support rods 6 are hinged with the backrest assembly 1 through a pin or a shoulder bolt, the lower ends of all the support rods 6 are hinged with the base assembly 4 through pin shafts or shaft shoulder bolts, and the more detailed hinged structure is in a conventional connection mode and is not further described.

In order to realize the adjustment of the angle between the back frame assembly 1 and the front support frame assembly 2, a push rod motor 5 for adjusting the inclination angle of the back frame assembly 1 is arranged between the front support frame assembly 2 and the back frame assembly 1, the push rod motor 5 is an existing conventional component, the specific structure is not described in detail, more specifically, the push rod motor 5 is arranged between the front cross beam 7 and the back frame assembly 1, a U-shaped mounting rod 9 is fixedly arranged on one side surface of the back frame assembly 1 facing the base assembly 4, for the firmness of the reinforcing structure, a reinforcing rod 10 is arranged between the U-shaped mounting rod 9 and the back frame assembly 1, one end of the push rod motor 5, which is provided with the motor, is hinged with the middle part of the front cross beam 7, and one end of the push rod motor 5, which is provided with the push rod, is hinged with the middle part of the U-shaped mounting rod 9.

The working principle of the invention is as follows: when the push rod motor 5 is in a contracted state, the backrest frame assembly 1 is in a lying state, i.e. a zero gravity state, as shown in fig. 3; when the push rod motor 5 is in an extension state, the push rod motor 5 pushes the backrest frame assembly 1 to move upwards, so that the angle between the push rod motor 5 and the support rod 6 of the front support frame assembly 2 is increased, and the overall height of the chair frame is increased, namely, the chair frame is in a standby state shown in fig. 2.

Example 2

As shown in fig. 4-6, the present embodiment has substantially the same structure as the embodiment, except that the installation structure of the push rod motor 5 is provided with the push rod motor 5 for adjusting the inclination angle of the backrest frame assembly 1 between the rear support frame assembly 3 and the backrest frame assembly 1, and more specifically, the push rod motor 5 is installed between the rear cross beam 8 and the backrest frame assembly 1, one end of the push rod motor 5, which is provided with the motor, is hinged to the middle of the rear cross beam 8, and one end of the push rod motor 5, which is provided with the push rod, is hinged to the middle of the U-shaped installation rod 9.

The working principle of the embodiment is as follows: when the push rod motor 5 is in a contracted state, the backrest frame assembly 1 is in a lying state, i.e. a zero gravity state, as shown in fig. 5; when the push rod motor 5 is in an extended state, the push rod motor 5 pushes the backrest frame assembly 1 to move upwards, so that the angle between the push rod motor and the support rod 6 of the rear support frame assembly 3 is increased, and the whole height of the chair frame is increased, namely the chair frame is in a standby state shown in fig. 6.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a four-bar chair frame structure, includes back support assembly (1), preceding support frame assembly (2), back support frame assembly (3), base assembly (4), the upper and lower both ends of preceding support frame assembly (2) and back support frame assembly (3) are articulated the setting with back support assembly (1) and base assembly (4) respectively, its characterized in that be provided with between preceding support frame assembly (2) and back support assembly (1) or between back support frame assembly (3) and back support assembly (1) and be used for adjusting push rod motor (5) of back support assembly (1) inclination.

2. The four-bar chair frame structure according to claim 1, wherein the front support assembly (2) and the rear support assembly (3) each comprise two support rods (6), the two support rods (6) constituting the front support assembly (2) are connected by a front cross beam (7), the two support rods (6) constituting the rear support assembly (3) are connected by a rear cross beam (8), and the push rod motor (5) is installed between the front cross beam (7) and the back frame assembly (1) or between the rear cross beam (8) and the back frame assembly (1).

3. The four-bar chair frame structure according to claim 2, wherein a U-shaped mounting rod (9) is fixedly arranged on one side surface of the backrest frame assembly (1) facing the base assembly (4), one end of the push rod motor (5) provided with the motor is hinged with the middle part of the front cross beam (7) or the rear cross beam (8), and one end of the push rod motor (5) provided with the push rod is hinged with the middle part of the U-shaped mounting rod (9).

4. A four bar chair frame structure according to claim 3, characterized in that a reinforcement bar (10) is provided between the U-shaped mounting bar (9) and the back frame assembly (1).

5. The four-bar chair frame structure of claim 2, wherein the upper ends of the front support frame assembly (2) and the rear support frame assembly (3) are hinged to the front part of the backrest frame assembly (1) and are arranged at intervals, and the lower ends of the front support frame assembly (2) and the rear support frame assembly (3) are correspondingly hinged to the front part and the middle part of the base assembly (4).

6. The four-bar chair frame structure according to claim 5, wherein the upper and lower ends of the front support frame assembly (2) and the rear support frame assembly (3) are hinged by a pin or a shoulder bolt.