Massage chair

Abstract

The massage chair comprises a base, a back frame and a seat frame, the back frame is provided with a massage core, the seat frame is arranged on the seat frame guide rail of the base in a reciprocating sliding mode, and the back frame is hinged on the seat frame; further comprising a first push rod, a connecting rod and a back frame guide rail; one end of the first push rod is connected with the base, and the other end of the first push rod is hinged with the seat frame, so as to push the seat frame to reciprocate relative to the base; one end of the connecting rod is connected with the back frame and away from the hinge point of the back frame and the seat frame, and a first roller is arranged at the end of the connecting rod; the back frame is connected with the back frame guide rail in a reciprocating sliding mode through the connecting rod and the first roller. The angle adjustment of the seat and the back of the massage chair can be realized by arranging only one push rod, and the massage experience is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of human body massage equipment, in particular to a massage chair. BACKGROUND

[0002] The existing massage chair generally adopts two kinds of guide rails for the movement of the core, one is a linear guide rail, the massage chair adopting this kind of guide rail can usually only perform back massage, and the backrest part can also be adjusted in angle; the other is an L-shaped guide rail, the massage chair adopting this kind of guide rail can not only massage the back, but also massage the hips, but the backrest position and the seat position are fixed at an angle, and the posture of the upper body cannot be adjusted alone. In the case that the body posture cannot be adjusted, long-time massage is easy to cause the body to feel tired, and the purpose of complete relaxation cannot be achieved.

[0003] For example, a Chinese patent document discloses a massage chair with small occupied space (application number 201420026125.7), which specifically discloses a massage chair including a bottom frame, a chair frame and a driving device, the chair frame including a seat part and a backrest part. A guide rail is arranged on the seat frame, and a pulley is arranged on the chair frame corresponding to the guide rail, so as to realize the angle adjustment of the chair frame relative to the mounting surface. As can be known from the accompanying drawings of the specification, the seat part and the backrest part of the chair frame in the embodiment are an integrated frame. In this patent, since the seat part and the backrest part are an integrated frame, the angle between the seat part and the backrest part cannot be adjusted, and long-time massage is easy to cause the body to feel tired, and the purpose of complete relaxation cannot be achieved. SUMMARY

[0004] The technical problem to be solved by the present application is to provide a massage chair which overcomes the defect that the massage chair adopting the L-shaped guide rail cannot adjust the angle of the backrest.

[0005] In order to solve the above technical problems, the technical scheme adopted by the present application is as follows:

[0006] A massage chair, comprising a base, a back frame and a seat frame, wherein the back frame is provided with a massage core, the seat frame is arranged on the seat frame guide rail of the base in a reciprocating sliding manner, and the back frame is hinged on the seat frame.

[0007] Further comprising a first push rod, a connecting rod and a back frame guide rail.

[0008] One end of the first push rod is connected to the base, and the other end of the first push rod is hinged to the seat frame, so as to push the seat frame to reciprocally slide relative to the base.

[0009] One end of the connecting rod is connected to the back frame and away from the hinged point of the back frame and the seat frame, and a first roller is arranged at the end of the connecting rod, so that the back frame is reciprocally and slidably connected to the back frame guide rail through the connecting rod and the first roller.

[0010] The application has the beneficial effect that the seat frame and the back frame are guided by the seat frame guide rail, so that the seat frame and the back frame make arc motion under the driving of the first push rod to change the inclination angle of the seat frame and the back frame, and meanwhile the seat frame and the back frame can be guided by the back frame guide rail to adjust the included angle formed between the seat frame and the back frame, so as to realize the adjustment of the sitting posture of the human body and meet the demand of more users for the sitting posture. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structure schematic view of a massage chair in the first embodiment of the application;

[0012] Figure 2 It is a sectional view of a massage chair in the first embodiment of the application;

[0013] Figure 3 It is a structure schematic view of a massage chair in the first embodiment of the application in an initial state;

[0014] Figure 4 It is a structure schematic view of a massage chair in the first embodiment of the application in a laid-down state;

[0015] Figure 5 It is a structure schematic view of a massage chair in the second embodiment of the application in an initial state;

[0016] Figure 6 It is a structure schematic view of a massage chair in the second embodiment of the application in a laid-down state;

[0017] Figure 7 It is an exploded view of a massage chair in the second embodiment of the application.

[0018] REFERENCE NUMERALS:

[0019] 1, base;

[0020] 2, back frame; 20, back frame guide rail; 21, backrest part; 22, seat part; 23, L-shaped guide rail;

[0021] 3, seat frame; 30, seat frame guide rail; 301, first guide rail; 302, second guide rail; 303, starting point; 304, ending point; 31, second roller; 32, third roller;

[0022] 4, massage core; 41, massage arm;

[0023] 5, first push rod;

[0024] 6, connecting rod; 61, first roller;

[0025] 7, connecting rod;

[0026] 8, calf frame; 81, pulley;

[0027] 9. The second push rod. DETAILED DESCRIPTION

[0028] To make the technical contents of the present application, the purposes and effects achieved more clear, the following will be described in detail in combination with the embodiments and the accompanying drawings.

[0029] Please refer to Figures 1-7 A massage chair, comprising a base, a back frame and a seat frame, a massage core is arranged on the back frame, the seat frame is arranged on the seat frame guide rail of the base in a reciprocating sliding manner, and the back frame is hinged on the seat frame.

[0030] Further comprising a first push rod, a connecting rod and a back frame guide rail.

[0031] One end of the first push rod is connected to the base, and the other end of the first push rod is hinged to the seat frame, so as to drive the seat frame to reciprocatingly slide relative to the base.

[0032] One end of the connecting rod is connected to the back frame and away from the hinged point of the back frame and the seat frame, and a first roller is arranged at the end of the connecting rod, so that the back frame is connected to the back frame guide rail in a reciprocating sliding manner through the connecting rod and the first roller.

[0033] The working principle of the present application is that:

[0034] The back frame and the seat frame are guided to move in an arc line under the guidance of the back frame guide rail and the seat frame guide rail respectively, and the angle of the back frame and the seat frame can be adjusted, so as to realize the adjustment of the sitting posture of the human body.

[0035] From the above description, the beneficial effects of the present application are that the back frame and the seat frame are guided by the seat frame guide rail, so that the back frame and the seat frame move in an arc line under the drive of the first push rod, so as to change the inclination angle of the seat frame and the back frame, and the seat frame and the back frame can be guided by the back frame guide rail to adjust the included angle between the seat frame and the back frame, so as to realize the adjustment of the sitting posture of the human body and meet the needs of more users for the sitting posture.

[0036] Further, the back frame comprises a backrest part and a seat part, the backrest part and the seat part are arranged corresponding to the back of the user and the hips of the user respectively, and the backrest part and the seat part are connected and constitute an L-shaped structure; a receiving space is arranged on the seat frame, and the seat part is received in the receiving space.

[0037] From the above description, the seat part is received in the receiving space, which provides a space for the seat part when the back frame is adjusted in angle.

[0038] Further, a connecting rod is further included, one end of the connecting rod is fixed on the back frame, the other end of the connecting rod is above the seat part, the back frame is hinged on the seat frame through the other end of the connecting rod, so that when the back frame rotates relative to the seat frame, the height of the seat part is lower than the height of the top of the seat frame.

[0039] Further, the massage mechanism is provided with a massage arm and an ejection mechanism, when the massage mechanism moves to the seat part, the ejection mechanism can push the massage arm, so that the end of the massage arm extends out of the top surface of the seat frame.

[0040] Further, the seat frame guide rail includes a first guide rail and a second guide rail, and the first guide rail and the second guide rail are arranged to be inclined to each other.

[0041] The seat frame is provided with a second roller for connecting with the first guide rail and a third roller for connecting with the second guide rail.

[0042] Further, the first guide rail is arranged close to the seat frame, the second guide rail is arranged close to the back frame, in the direction from the back frame position to the seat frame position, the first guide rail is arranged to be inclined upward, and the second guide rail is arranged to be inclined downward.

[0043] From the above description, it can be seen that the first guide rail, the second guide rail, the second roller and the third roller are arranged to guide the seat frame and the back frame, so that the seat frame and the back frame move in an arc according to the expected movement trajectory under the drive of the first push rod, the seat frame and the back frame are more stably adjusted in angle, and the user experience is improved.

[0044] Further, the first guide rail and the second guide rail are arranged adjacent to each other, the first guide rail and the second guide rail are respectively provided with a starting point and an ending point, the second roller and the third roller respectively move back and forth between the respective starting point and ending point, the height of the ending point of the first guide rail is higher than the height of the starting point of the second guide rail, so that when the first push rod drives the seat frame to move in the direction from the back frame position to the seat frame position, any position on the back frame moves in the direction from the back frame position to the seat frame position.

[0045] From the above description, it can be seen that the first guide rail and the second guide rail are arranged to realize the zero-wall function of the back frame, to ensure that all positions of the back frame can move forward during storage, to avoid the rotation of the back frame around a certain point, so as to avoid the certain point on the back frame moving backward to hit the wall.

[0046] Further, a calf support is arranged for supporting the leg of the user, the top end of the calf support is hinged on the seat frame, and a second push rod is hinged on the seat frame at one end and pushes the middle part of the calf support at the other end.

[0047] From the above description, it can be seen that the second push rod is arranged for angle adjustment of the calf support, thereby realizing independent adjustment of the calf support and making the user more free and the massage experience better.

[0048] Further, the back frame guide is downwardly inclined from the side where the back frame is arranged to the side where the seat frame is arranged.

[0049] Please refer to Figures 1-4 The embodiment one of the present application is:

[0050] A massage chair comprises a base 1, a back frame 2 and a seat frame 3, the back frame 2 is provided with a massage core 4, the seat frame 3 is arranged on the seat frame guide 30 of the base 1 in a reciprocating sliding manner, the back frame 2 is hinged on the seat frame 3, further comprising a first push rod 5, a connecting rod 6 and a back frame guide 20, one end of the first push rod 5 is connected to the base 1 and the other end of the first push rod 5 is hinged to the seat frame 3 to push the seat frame 3 to reciprocate relative to the base 1, one end of the connecting rod 6 is connected to the back frame 2 and away from the hinged point of the back frame 2 and the seat frame 3, the connecting rod 6 is provided with a first roller 61 at the end, and the back frame 2 is reciprocatingly connected to the back frame guide 20 through the connecting rod 6 and the first roller 61. The included angle between the back frame 2 and the seat frame 3 is α. Preferably, the back frame guide 20 is downwardly inclined from the side where the back frame 2 is arranged to the side where the seat frame 3 is arranged.

[0051] In the embodiment, the back frame 2 comprises a backrest part 21 and a seat part 22, the backrest part 21 and the seat part 22 are arranged corresponding to the back and the hip of the user respectively, and the backrest part 21 and the seat part 22 are connected to form an L-shaped structure, the seat frame 3 is provided with a receiving space, and the seat part 22 is received in the receiving space.

[0052] In the embodiment, a connecting rod 7 is further included, one end of the connecting rod 7 is fixed on the back frame 2, the other end of the connecting rod 7 is located above the seat part 22, the back frame 2 is hinged on the seat frame 3 through the other end of the connecting rod 7, so that when the back frame 2 rotates relative to the seat frame 3, the height of the seat part 22 is lower than the height of the top of the seat frame 3. The seat frame guide rail 30 includes a first guide rail 301 and a second guide rail 302, and the first guide rail 301 and the second guide rail 302 are arranged to be inclined to each other; the seat frame 3 is provided with a second roller 31 for connecting with the first guide rail 301 and a third roller 32 for connecting with the second guide rail 302. Specifically, the second roller 31 and the third roller 32 are respectively arranged at the two ends of the connecting rod 7. When the driving mechanism horizontally pushes the main body to move, the second roller 31 and the third roller 32 drive one end of the connecting rod 7 to lift up and the other end of the connecting rod 7 to sink under the guidance of the first guide rail 301 and the second guide rail 302, thereby driving the seat frame 3 to make an arc motion, and the angle adjustment of the seat assembly is realized.

[0053] In the embodiment, the massage arm 41 and the ejection mechanism are arranged on the massage core 4, when the massage core 4 moves to the seat part 22, the ejection mechanism can push the massage arm 41 to make the end of the massage arm 41 extend out of the top surface of the seat frame 3, and the massage core 4 moves on the L-shaped guide rail 23 in the back frame 2.

[0054] In the embodiment, the first guide rail 301 is arranged close to the seat part 22, and the second guide rail 302 is arranged close to the back frame 2, in the direction from the position of the back frame 2 to the position of the seat frame 3, the first guide rail 301 is arranged to be inclined upward, and the second guide rail 302 is arranged to be inclined downward. The above-mentioned arrangement of the first guide rail 301 to be inclined upward and the second guide rail 302 to be inclined downward means that the first guide rail 301 is arranged to gradually sink in the seating direction, and the second guide rail 302 is arranged to gradually lift up in the seating direction. It is worth noting that the seating direction is Figure 3 the direction indicated by the arrow in the middle.

[0055] In the embodiment, the first guide rail 301 and the second guide rail 302 are arranged adjacent to each other, the first guide rail 301 and the second guide rail 302 are respectively provided with a starting point 303 and an ending point 304, the second roller 31 and the third roller 32 respectively move back and forth between the respective starting point 303 and the ending point 304, and the height of the ending point 304 of the first guide rail 301 is higher than the height of the starting point 303 of the second guide rail 302, so that when the first push rod 5 drives the seat frame 3 to move in the direction from the position of the back frame 2 to the position of the seat frame 3, any position on the back frame 2 moves in the direction from the position of the back frame 2 to the position of the seat frame 3.

[0056] In the embodiment, the seat frame 3 includes a hinged frame 33 and a seat frame body 34, and the first push rod 5 is hinged with the seat frame body 34 through the hinged frame 33.

[0057] The working principle of the present application is:

[0058] When the first push rod 5 is in the extended state, the massage chair is in the initial state, and alpha is the minimum value.

[0059] When the movable end of the first push rod 5 is retracted, the first roller 61, the second roller 31 and the third roller 32 move along the starting point 303 to the ending point 304 on the side where the seat frame 3 is located in the corresponding guide rail respectively, so that the seat frame 3 and the back frame 2 rotate clockwise, and since the back frame guide rail 20 is lower than the second guide rail 302 and the length of the back frame guide rail 20 is greater than the length of the second guide rail 302, the first roller 61 continues to move downward along the back frame guide rail 20 while the movable end of the first push rod 5 is continuously retracted, and the angle alpha between the back frame 2 and the seat frame 3 is further increased.

[0060] Please refer to Figures 5-7 , the second embodiment of the present application is:

[0061] The embodiment further comprises a calf frame 8 and a second push rod 9 on the basis of the first embodiment, the calf frame 8 is used for supporting the leg of the user, the top end of the calf frame 8 is hinged to the seat frame 3, one end of the second push rod 9 is hinged to the seat frame 3, and the other end of the second push rod 9 pushes the middle part of the calf frame 8 to move. The lower end of the calf frame 8 is provided with a pulley 81 for abutting against a leg massage device, and the leg massage device is hinged to the end of the seat frame 3 away from the back frame 2.

[0062] The working principle of the present application is:

[0063] The second push rod 9 is extended, and the calf frame 8 rotates clockwise relative to the seat frame 3, so as to realize the lifting of the calf frame 8 and adjust the angle between the calf frame 8 and the seat frame 3.

[0064] It is worth noting that the clockwise direction in the above-mentioned first embodiment and second embodiment refers to Figure 3 .

[0065] In summary, the present application provides a massage chair with variable angle, the present application sets guide rails at three different positions on the chair frame, so that the first push rod converts linear motion into arc motion, realizes the tilting of the seat frame and the back frame, and since the position of the back guide rail is lower than that of the second guide rail, the back frame is further tilted, so as to realize the adjustment of the sitting posture of the human body. And the present application can realize the synchronous angle adjustment of the seat frame and the back frame through only one push rod, the structure is simple, the best effect is achieved with the least cost, and the product competitiveness is improved.

[0066] The above-mentioned is only the embodiment of the present application, and does not limit the patent range of the present application, any equivalent transformation made by using the content of the specification and drawings, or direct or indirect application in the related technical field, is also included in the patent protection range of the present application.

Claims

1. A massage chair, comprising a base, a back frame, and a seat frame, wherein the back frame is provided with a massage mechanism, characterized in that, The seat frame is reciprocally slidably mounted on the seat frame guide rail of the base, and the back frame is hinged to the seat frame; It also includes the first push rod, connecting rod, and back frame guide rail; One end of the first push rod is connected to the base and the other end of the first push rod is hinged to the frame to push the frame to slide back and forth relative to the base; One end of the connecting rod is connected to the back frame and away from the hinge point between the back frame and the seat frame. The end of the connecting rod is provided with a first roller. The back frame is reciprocally slidably connected to the back frame guide rail through the connecting rod and the first roller. The seat frame guide rail includes a first guide rail, and the first guide rail and the back frame guide rail are inclined to each other; The first guide rail is disposed close to the seat frame, and is inclined upward in the direction from the back frame position toward the seat frame position; The back frame guide rail is inclined downward in the direction from the side where the back frame is located toward the side where the seat frame is located.

2. A massage chair according to claim 1, characterized in that, The backrest includes a backrest and a seat, which are respectively positioned to correspond to the user's back and buttocks. The backrest and seat are connected to form an L-shaped structure. The seat frame has a receiving space, and the seat is received within the receiving space.

3. A massage chair according to claim 2, characterized in that, It also includes a connecting rod, one end of which is fixed to the seat frame, and the other end of which is located above the seat portion. The back frame is hinged to the seat frame via the other end of the connecting rod, such that when the back frame rotates relative to the seat frame, the height of the seat portion is lower than the height of the top of the seat frame.

4. A massage chair according to claim 3, characterized in that, The massage mechanism is equipped with a massage arm and an ejector mechanism. When the massage mechanism moves to the seat, the ejector mechanism can push the massage arm so that the end of the massage arm extends beyond the top surface of the seat frame.

5. A massage chair according to claim 1, characterized in that, The seat rail also includes a second rail, and the first rail and the second rail are inclined to each other. The frame has a second roller for connecting to the first guide rail and a third roller for connecting to the second guide rail.

6. A massage chair according to claim 5, characterized in that, The second guide rail is positioned close to the back frame and is inclined downwards.

7. A massage chair according to claim 6, characterized in that, The first guide rail and the second guide rail are arranged adjacent to each other. The first guide rail and the second guide rail are respectively provided with a starting point and an ending point. The second roller and the third roller reciprocate between their respective starting points and ending points. The height of the ending point of the first guide rail is higher than the height of the starting point of the second guide rail, so that when the first push rod pushes the seat frame to move from the back frame position toward the seat frame position, any position on the back frame moves in the direction from the back frame position toward the seat frame position.

8. A massage chair according to claim 1, characterized in that, It also includes a leg support and a second push rod. The leg support is used to support the user's legs. The top of the leg support is hinged to the seat frame. One end of the second push rod is hinged to the seat frame, and the other end of the second push rod pushes the middle part of the leg support to move.

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