CN112535620A

CN112535620A - Massage chair frame

Info

Publication number: CN112535620A
Application number: CN202011518800.4A
Authority: CN
Inventors: 林琪; 刘阳; 沈悦; 程志华
Original assignee: Shanghai Rongtai Health Technology Corp Ltd
Current assignee: Shanghai Rongtai Health Technology Corp Ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-03-23
Also published as: WO2022134857A1

Abstract

The invention provides a massage chair frame which comprises a base underframe, an upper seat frame, a backrest frame hinged with the upper seat frame and a power device, wherein a first guide rail extending along the front-back direction is arranged on the base underframe, a first guide part matched with the first guide rail is arranged on the upper seat frame, the power device can drive the upper seat frame to slide along the first guide rail, the upper seat frame is hinged with a first connecting rod, the first connecting rod is hinged with a second connecting rod, the second connecting rod is hinged with the backrest frame, and the first connecting rod or the second connecting rod is hinged with the base underframe. The massage chair frame utilizes the power device to drive the upper seat frame to slide forwards, simultaneously realizes the adjustment of the included angle between the backrest frame and the upper seat frame, improves the massage timeliness, does not need to be provided with the power device for adjusting the included angle between the backrest frame and the upper seat frame independently, simplifies the integral structure of the massage chair frame, and further reduces the manufacturing cost of the massage chair frame.

Description

Massage chair frame

Technical Field

The invention relates to the technical field of massage chairs, in particular to a massage chair frame.

Background

The common massage chair in the market at present has the advantages that the front and back sliding of the massage chair is realized by combining a single guide slideway with a single driving motor, the angle adjustment between an upper seat frame and a backrest frame needs another two driving motors to push, so that 3 driving motors are needed for completing the actions of angle adjustment, front and back sliding and the like, the number of the needed driving motors is large, the cost of the massage chair frame and the massage chair is increased, and the good popularization market of the massage chair is not facilitated; in addition, the products of the massage chairs on the market still need to slide the massage chair forwards and then adjust the angle between the upper seat frame and the backrest frame during massage, so that the timely massage feeling is reduced for users.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present invention provides a massage armchair frame with low manufacturing cost.

In order to achieve the above purpose, the present invention provides a massage armchair frame, which includes a base underframe, an upper seat frame, a backrest frame hinged to the upper seat frame, and a power device, wherein the base underframe is provided with a first guide rail extending along a front-back direction, the upper seat frame is provided with a first guide portion matched with the first guide rail, the power device can drive the upper seat frame to slide along the first guide rail, the upper seat frame is hinged to a first connecting rod, the first connecting rod is hinged to a second connecting rod, the second connecting rod is hinged to the backrest frame, and the first connecting rod or the second connecting rod is hinged to the base underframe.

Furthermore, the upper end and the lower end of the first connecting rod are respectively hinged with the second connecting rod and the base underframe, and the middle part of the first connecting rod is hinged with the upper underframe.

Furthermore, the upper seat frame is hinged with the backrest frame through a connecting shaft, and the end part of the connecting shaft is provided with the first guide part.

Furthermore, the rear end of the upper seat frame is hinged with the backrest frame through a connecting shaft, and the front end of the upper seat frame is hinged with the first connecting rod.

Furthermore, a second guide rail is further arranged on the base underframe, and a second guide part matched with the second guide rail is arranged on the upper seat frame.

Further, the first guide rail is a linear guide rail, and the second guide rail is an arc-shaped guide rail.

Further, the first guide part and the second guide part both adopt guide wheels.

Furthermore, the left side and the right side of the base chassis are both provided with a first guide rail and a second guide rail, the left side and the right side of the upper seat frame are both provided with a first guide part and a second guide part, the first guide part and the first guide rail which are positioned on the same side are matched, and the second guide part and the second guide rail which are positioned on the same side are matched.

Furthermore, the number of the first connecting rods and the number of the second connecting rods are two, the two first connecting rods are respectively hinged with the left side edge and the right side edge of the upper seat frame, the two second connecting rods are respectively hinged with the left side edge and the right side edge of the backrest frame, and the two first connecting rods are respectively hinged with the two second connecting rods.

Furthermore, the power device adopts a driving motor, one end of the driving motor is hinged with the base underframe, and the other end of the driving motor is hinged with the upper seat underframe.

As described above, the massage armchair frame according to the present invention has the following advantageous effects:

when the backrest frame is used, the power device drives the upper seat frame to slide forwards along the first guide rail, the backrest frame is hinged with the upper seat frame and moves along with the movement of the upper seat frame, meanwhile, the upper seat frame is hinged with the first connecting rod, the first connecting rod is hinged with the second connecting rod, the second connecting rod is hinged with the backrest frame, and the first connecting rod or the second connecting rod is hinged with the base underframe, so that the backrest frame rotates relative to the upper seat frame around a hinged point of the backrest frame and the upper seat frame under the action of the first connecting rod and the second connecting rod, and the adjustment of an included angle between the backrest frame and the upper seat frame is further realized. Therefore, the massage armchair frame can realize the adjustment of the included angle between the backrest frame and the upper frame when the upper frame is driven by the power device to slide forwards, namely the backrest frame and the upper frame are opened or closed, so that the massage can be carried out, the massage preparation time is saved, the massage timeliness is improved, the power device for adjusting the included angle between the backrest frame and the upper frame is not required to be arranged independently, the number of the power device is reduced, the integral structure of the massage armchair frame is simplified, and the manufacturing cost of the massage armchair frame is further reduced.

Drawings

Fig. 1 is a perspective view of a massage chair frame in the embodiment of the present invention.

Fig. 2 is a schematic view of a connection structure of an upper seat frame and a backrest frame according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a base chassis according to an embodiment of the invention.

Description of the element reference numerals

1 base chassis

2 upper seat frame

3 backrest frame

4 power device

41 drive motor

51 first guide rail

52 second guide rail

61 first guide part

62 second guide part

71 first connecting rod

72 second connecting rod

8 connecting shaft

9 Flexible slideway

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description only, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention unless otherwise specified.

As shown in fig. 1 to 3, the present embodiment provides a massage chair frame, which includes a base chassis 1, an upper seat 2, a backrest frame 3 hinged to the upper seat 2, and a power device 4, wherein the base chassis 1 is provided with a first guide rail 51 extending in a front-back direction, the upper seat 2 is provided with a first guide portion 61 matching with the first guide rail 51, the power device 4 can drive the upper seat 2 to slide along the first guide rail 51, the upper seat 2 is hinged to a first connecting rod 71, the first connecting rod 71 is hinged to a second connecting rod 72, the second connecting rod 72 is hinged to the backrest frame 3, and the first connecting rod 71 or the second connecting rod 72 is hinged to the base chassis 1. When in use, the power device 4 drives the upper seat frame 2 to slide forwards along the first guide rail 51, the backrest frame 3 moves along with the movement of the upper seat frame 2 due to the articulation of the backrest frame 3 and the upper seat frame 2, meanwhile, the first connecting rod 71 is articulated with the second connecting rod 72 due to the articulation of the upper seat frame 2 and the first connecting rod 71, the second connecting rod 72 is articulated with the backrest frame 3, and the first connecting rod 71 or the second connecting rod 72 is articulated with the base chassis 1, so that the backrest frame 3 rotates relative to the upper seat frame 2 around the articulation point of the backrest frame 3 and the upper seat frame 2 under the action of the first connecting rod 71 and the second connecting rod 72, and the adjustment of the included angle between the backrest frame 3 and the upper seat frame 2 is realized. Therefore, the massage armchair frame utilizes the power device 4 to drive the upper seat frame 2 to slide forwards, and meanwhile, the adjustment of the included angle between the backrest frame 3 and the upper seat frame 2 is also realized, namely the backrest frame 3 and the upper seat frame 2 are opened or closed, so that massage can be carried out, the massage preparation time is saved, the massage timeliness is improved, the power device 4 for adjusting the included angle between the backrest frame 3 and the upper seat frame 2 is not required to be independently arranged, the number of the power device 4 is reduced, the integral structure of the massage armchair frame is simplified, and the manufacturing cost of the massage armchair frame is further reduced.

As shown in fig. 1 and 2, in the present embodiment, the upper end and the lower end of the first connecting rod 71 are respectively hinged to the second connecting rod 72 and the base chassis 1, and the middle of the first connecting rod 71 is hinged to the upper seat frame 2. When the power device 4 drives the upper seat frame 2 to slide along the first guide rail 51, under the action of the first connecting rod 71, the upper seat frame 2 will slide along the first guide rail 51 and rotate around the hinge point between the first connecting rod 71 and the base chassis 1, and the included angle between the backrest frame 3 and the upper seat frame 2 is changed by combining the action of the second connecting rod 72 and the hinge relation between the backrest frame 3 and the upper seat frame 2.

Meanwhile, as shown in fig. 1, the upper seat frame 2 is hinged to the back frame 3 through a connecting shaft 8, and a first guide portion 61 is provided at an end of the connecting shaft 8. Specifically, in the present embodiment, the rear end of the upper seat frame 2 is hinged to the back frame 3 through the connecting shaft 8, and the front end of the upper seat frame 2 is hinged to the first connecting rod 71. When the power device 4 drives the upper seat frame 2 to slide forward along the first guide rail 51, the backrest frame 3 moves forward along with the upper seat frame 2, and the included angle between the backrest frame 3 and the upper seat frame 2 is opened.

As shown in fig. 1 and 3, in the present embodiment, the base chassis 1 is further provided with a second guide rail 52, and the upper frame 2 is provided with a second guide portion 62 engaged with the second guide rail 52. In this embodiment, the first guide rail 51 is a linear guide rail, and the second guide rail 52 is an arc guide rail. The first guide rail 51 guides the first guide portion 61 to slide along a straight line, and the second guide rail 52 guides the second guide portion 62 to move along an arc line, so that the upper seat frame 2 can smoothly generate a rotational motion while sliding in the front-rear direction, thereby achieving smooth opening or closing of the upper seat frame 2 and the back frame 3. In this embodiment, the first connecting rod 71, the first guiding portion 61 and the first guiding rail 51 are coupled together, and the second guiding portion 62 and the second guiding rail 52 are coupled together to support the upper frame 2.

As shown in fig. 2, in the present embodiment, the first guide portion 61 and the second guide portion 62 each employ a guide wheel, so that the friction force generated when the first guide portion 61 slides along the first guide rail 51 is reduced, and the friction force generated when the second guide portion 62 slides along the second guide rail 52 is reduced, by the fit relationship between the guide wheel and the first guide rail 51 and the second guide rail 52.

As shown in fig. 1 and 3, in the present embodiment, the first guide rail 51 and the second guide rail 52 are respectively disposed on the left and right sides of the base chassis 1, the first guide portion 61 and the second guide portion 62 are respectively disposed on the left and right sides of the upper frame 2, the first guide portion 61 and the first guide rail 51 located on the same side are matched, and the second guide portion 62 and the second guide rail 52 located on the same side are matched. That is, in this embodiment, the first guide portions 61 are provided at both left and right ends of the connecting shaft 8, and the upper frame 2 is provided with 4 guide wheels on both left and right sides. The structural design can ensure the synchronism of the left side and the right side when the upper seat frame 2 and the backrest frame 3 move forwards, and prevent the left side and the right side from shaking caused by asynchronism.

As shown in fig. 1 and 2, in the present embodiment, there are two first connecting rods 71 and two second connecting rods 72, the two first connecting rods 71 are respectively hinged to the left and right sides of the upper seat frame 2, the lower ends of the two first connecting rods 71 are respectively hinged to the left and right sides of the base chassis 1, the rear ends of the two second connecting rods 72 are respectively hinged to the left and right sides of the backrest frame 3, and the upper ends of the two first connecting rods 71 are respectively hinged to the front ends of the two second connecting rods 72, so that the left and right sides of the upper seat frame 2 and the backrest frame 3 are balanced in stress, and the high stability when the two are moved forward is ensured. In addition, the second connecting rod 72 is bent.

As shown in fig. 1 and 2, the power device 4 of the present embodiment employs a driving motor 41, one end of the driving motor 41 is hinged to the base chassis 1, and the other end of the driving motor 41 is hinged to the upper seat 2. The embodiment uses the driving motor 41 to drive the upper seat frame 2 to move forwards or backwards, so as to drive the guide wheels on the upper seat frame 2 to slide forwards or backwards along the first guide rail 51 and the second guide rail 52 on the base chassis 1; since the back frame 3 is hinged with the upper frame 2 by the connecting shaft 8, the back frame 3 and the upper frame 2 do the same sliding motion. Meanwhile, in combination with the action of the first connecting rod 71 and the second connecting rod 72, the angles between the upper seat frame 2 and the back frame 3 and the horizontal plane are respectively changed while the upper seat frame 2 and the back frame 3 are translationally slid forward or backward.

In addition, as shown in fig. 1 and 2, the frame of the massage chair of the present embodiment further includes a flexible slide 9 provided on the backrest frame 3. The first guide rail 51 and the second guide rail 52 are each welded to the upper end of the base chassis 1. The lower end of the base chassis 1 is welded with a mounting part hinged with the first connecting rod 71. The second guide portion 62 is screwed to the middle of the upper frame 2 by a screw, and the second guide portion 62 can slide in the second guide rail 52 along the track of the upper frame 2. An installation part hinged with the first connecting rod 71 is welded on the upper seat frame 2. The upper seat frame 2 is also provided with an installation shaft hole for installing the guide wheel. The upper end of the first connecting rod 71 is welded with a mounting part hinged with the second connecting rod 72. The lower end of the first connecting rod 71 is provided with a first connecting hole, and the first connecting hole is hinged with a hinged mounting part on the base chassis 1. The upper end of the second connecting rod 72 is provided with a second connecting hole, and the second connecting hole is hinged with the hinged mounting part of the backrest frame 3. The backrest frame 3 is welded with a hinged installation part hinged with the second connecting rod 72, and the backrest frame 3 is provided with a shaft hole for installing a guide wheel. The middle position of the bottom of the base chassis 1 is welded with a hinged support hinged with a driving motor 41, and the front end of the driving motor 41 is hinged with the upper seat frame 2. The upper seat frame 2 provided with the guide wheels slides along the first guide rail 51 and the second guide rail 52 under the pushing of the first connecting rod 71, and 4 guide wheels on the upper seat frame 2 ensure the synchronism of the mechanism during the forward movement, so that the left and right shaking phenomenon caused by the asynchronism is prevented.

The massage armchair frame in the embodiment is a simplified massage armchair frame with double sliding rails and variable rails. The first guide rail 51 is located at the upper end of the base chassis 1 in this embodiment, and the second guide rail 52 is located at the middle of the base chassis 1. According to the massage armchair frame, the driving motor 41 pushes the upper seat frame 2 to move forwards along the first guide rail 51 and the second guide rail 52, so that the first connecting rod 71 is driven to rotate, the first connecting rod 71 drives the second connecting rod 72 to move, an included angle between the upper seat frame 2 and the backrest frame 3 is changed, and opening is achieved. In the embodiment, the first connecting rod 71 and the second connecting rod 72 are used for changing the included angle relationship between the upper seat frame 2 and the backrest frame 3, and the guide effect of the double guide rails is used for ensuring the synchronism of the massage armchair frame during operation, so that a person can be ensured to have better safety and stability when sitting on the upper seat frame 2. The massage chair frame is driven by the driving motor 41 to move the upper seat frame 2 forwards or backwards along the guide rail, and simultaneously drives the first connecting rod 71 and the second connecting rod 72 to act, so that the guide wheels on the upper seat frame 2 slide forwards or backwards, and the included angle between the upper seat frame 2 and the backrest frame 3 moves in an opening or closing manner.

The main parts of the massage armchair frame in the embodiment are hinged and screwed together, and are specifically installed as follows: firstly, welding two fixed shaft points on the base underframe 1, wherein the two fixed shaft points are respectively hinged with two first connecting rods 71, then welding a hinged support on the base underframe 1, finally welding a first guide rail 51 at the upper end of the base underframe 1, and welding a second guide rail 52 at the middle position of the base underframe 1. A fixed shaft for being hinged to the first connecting rod 71 is welded to the upper seat frame 2, while a hinge bracket for being hinged to the driving motor 41 is welded to the lower end of the upper seat frame 2. A fixed shaft for being hinged with the second connecting rod 72 is welded on the back frame 3. Finally, a fixed shaft for being hinged with the second connecting rod 72 is welded on the first connecting rod 71. After the welding of each mounting point is finished, the mounting is started, and firstly, the upper seat frame 2, the backrest frame 3 and the first guide part 61 are mounted together through the connecting shaft 8; meanwhile, the first connecting rods 71 and the second connecting rods 72 positioned at the left and right sides are hinged together through a fixed shaft, the first connecting rods 71 at the left and right sides are hinged with a fixed shaft point on the base chassis 1, and finally the second guide part 62 is screwed with the middle part of the upper seat frame 2 through a screw. Installing guide wheels at two ends of the connecting shaft 8, and installing the guide wheels on the connecting shaft 8 into the first guide rail 51; while fitting the guide wheels located in the middle of the upper mount 2 with the second guide rail 52. Then, the first connecting rod 71 hinged together is hinged with a fixed shaft on the upper seat frame 2, the second connecting rod 72 is hinged with a fixed shaft on the backrest frame 3, and finally the driving motor 41 is respectively hinged with the base underframe 1 and a hinged support on the upper seat frame 2, at the moment, the driving motor 41 drives the upper seat frame 2 to slide forwards along the first guide rail 51 and the second guide rail 52, and the upper seat frame 2 and the backrest frame 3 do rotary motion with an increased included angle with the horizontal plane due to the action of the first connecting rod 71; the guide wheels on the two sides of the upper seat frame 2 slide forwards or backwards along the first guide rail 51 and the second guide rail 52, and simultaneously ensure the coaxiality of the two sides of the chair frame, and reduce the possibility of the shaking of the massage chair frame in the process of traveling.

The massage chair frame of the embodiment can effectively reduce the number of required motors through the structure, and simultaneously, the included angle between the upper seat frame 2 and the backrest frame 3 is changed while sliding forwards, so that the massage timeliness of the massage chair is achieved, and the included angle between the backrest frame 3 and the upper seat frame 2 is changed along with the forward movement or backward movement of the chair frame, the waist and abdomen muscles can be properly stretched and contracted, and if a massage mechanical arm is additionally arranged, the effective relaxation and exercise of the waist and abdomen muscle group after body building can be achieved.

In conclusion, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a massage armchair chair frame, its characterized in that, including base chassis (1), upper bracket (2), with upper bracket (2) articulated backrest frame (3), and power device (4), be equipped with on base chassis (1) along first guide rail (51) that the fore-and-aft direction extends, be equipped with on upper bracket (2) with first guide rail (51) matched with first guide part (61), power device (4) can drive upper bracket (2) and slide along first guide rail (51), upper bracket (2) are articulated with head rod (71), head rod (71) are articulated with second connecting rod (72), second connecting rod (72) are articulated with backrest frame (3), head rod (71) or second connecting rod (72) are articulated with base chassis (1).

2. The frame of a massage armchair according to claim 1, characterized in that the upper and lower ends of the first connecting rod (71) are hinged with the second connecting rod (72) and the base chassis (1), respectively, and the middle part of the first connecting rod (71) is hinged with the upper seat frame (2).

3. The frame of a massage armchair according to claim 1, characterised in that the upper seat frame (2) is hinged with the backrest frame (3) by means of a connecting shaft (8), the end of the connecting shaft (8) being provided with the first guide (61).

4. The frame of a massage armchair according to claim 1 or 3, characterised in that the rear end of the upper seat frame (2) is hinged to the backrest frame (3) by means of a connecting shaft (8), and the front end of the upper seat frame (2) is hinged to a first connecting rod (71).

5. The frame of massage armchair according to claim 1, characterised in that a second guide rail (52) is further provided on said base chassis (1), and a second guide portion (62) cooperating with the second guide rail (52) is provided on said upper seat frame (2).

6. The frame of a massage armchair according to claim 5, characterised in that said first guide (51) is a linear guide and said second guide (52) is an arc-shaped guide.

7. The frame of a massage armchair according to claim 5, characterised in that the first guide portion (61) and the second guide portion (62) each employ a guide wheel.

8. The frame of massage armchair according to claim 5, characterized in that the base chassis (1) is provided with a first guide rail (51) and a second guide rail (52) on both left and right sides, the upper seat frame (2) is provided with a first guide portion (61) and a second guide portion (62) on both left and right sides, the first guide portion (61) and the first guide rail (51) on the same side are matched, and the second guide portion (62) and the second guide rail (52) on the same side are matched.

9. The frame of a massage armchair according to claim 1, characterized in that there are two first connecting rods (71) and two second connecting rods (72), two first connecting rods (71) are respectively hinged with the left and right side edges of the upper seat frame (2), two second connecting rods (72) are respectively hinged with the left and right side edges of the backrest frame (3), and two first connecting rods (71) are respectively hinged with two second connecting rods (72).

10. The massage armchair frame according to claim 1, wherein the power device (4) employs a drive motor (41), one end of the drive motor (41) is hinged with the base chassis (1), and the other end of the drive motor (41) is hinged with the upper seat frame (2).