CN111759694A

CN111759694A - Massage chair capable of realizing mutual linkage of forward and backward sliding and sitting posture adjustment

Info

Publication number: CN111759694A
Application number: CN202010746672.2A
Authority: CN
Inventors: 林琪; 苏德恒; 刘阳; 徐情
Original assignee: Shanghai Rongtai Health Technology Corp Ltd
Current assignee: Shanghai Rongtai Health Technology Corp Ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2020-10-13

Abstract

The invention provides a massage chair capable of realizing mutual linkage of forward and backward sliding and sitting posture adjustment, which comprises: the base frame comprises a cushion bottom frame, support frames are symmetrically arranged on the cushion bottom frame along two opposite sides of the left and right directions of the massage chair, and each support frame is provided with a slide way extending along the front and back directions of the massage chair; the sitting frame is symmetrically provided with hinge structures along the opposite two sides of the left and right directions of the massage chair, and all the hinge structures correspond to all the slideways one by one and are in motion fit with the slideways; the backrest frame is rotatably connected with the sitting frame through a hinge structure respectively at two opposite sides of the backrest frame along the left and right directions of the massage chair; the linkage mechanism comprises a first linkage rod and a second linkage rod; the invention can only use one driving device to lead the sitting frame to slide towards the front of the massage chair, adjust the swing angle of the sitting frame and the backrest frame and adjust the angle between the body and the legs of a user of the massage chair.

Description

Massage chair capable of realizing mutual linkage of forward and backward sliding and sitting posture adjustment

Technical Field

The invention relates to the technical field of massage equipment, in particular to a massage chair with the mutual linkage of forward and backward sliding and sitting posture adjustment.

Background

With the increasing improvement of living standard of people, people pay more and more attention to health and health preservation, and the massage armchair gradually enters thousands of households. At present, the development of massage chairs is rapid, the technical process is gradually improved, and new materials, new technologies and new processes are continuously applied to new products of the massage chairs. At the same time, however, the requirements of customers for products are also increasing, and especially the requirements for quality, price, comfort and the like are almost strict. The massage chair has a plurality of problems at present. For example, the movement space required for the backrest angle adjustment of the massage chair, the thigh angle adjustment and the forward sliding of the chair is large, and most massage chairs on the market are provided with three driving motors: a backrest adjustment motor, a thigh adjustment motor, and a forward slide motor. However, such cost is too high, so that the massage chair cannot be popularized well due to the high price, and once the motor fails, the replacement and maintenance cost is also very high. Therefore, there is a need to solve the above problems of the existing massage chairs.

Disclosure of Invention

In view of the above drawbacks of the prior art, the technical problem to be solved by the present invention is to provide a massage chair with a back-and-forth sliding mechanism and a sitting posture adjusting mechanism, wherein the seat frame slides back and forth along the massage chair only by a driving mechanism, and the swinging angles of the seat frame and the backrest frame are adjusted to adjust the angles of the body and the legs of the user of the massage chair, so as to reduce the number of power sources of the massage chair, simplify the overall structure of the massage chair, greatly save the manufacturing and maintenance costs of the massage chair, and improve the massage experience of the massage chair.

In order to solve the above technical problems, the present invention provides a massage chair in which a back-and-forth sliding and a sitting posture adjustment are linked, comprising:

the base frame comprises a cushion bottom frame, support frames are symmetrically arranged on the cushion bottom frame along two opposite sides of the left and right directions of the massage chair, and each support frame is provided with a slide way extending along the front and back directions of the massage chair;

the massage chair comprises a sitting frame, wherein hinged structures are symmetrically arranged on two opposite sides of the sitting frame along the left and right directions of the massage chair, and the hinged structures on the two sides correspond to the slideways on the two sides one by one and are in motion fit with the slideways on the two sides;

the backrest frame is rotatably connected with the sitting frame through a hinge structure respectively at two opposite sides of the backrest frame along the left and right directions of the massage chair;

the linkage mechanism comprises a first linkage rod and a second linkage rod, two ends of the first linkage rod and two ends of the second linkage rod in the extension direction are respectively a fixed hinged end and a movable swinging end, the rod body of the first linkage rod is hinged with the sitting frame, the fixed hinged end of the first linkage rod is hinged with the bottom cushion frame, the movable swinging end of the first linkage rod is hinged with the movable swinging end of the second linkage rod, and the fixed hinged end of the second linkage rod is hinged with the back cushion frame;

the driving device is used for driving the sitting frame to slide back and forth along the slide way.

Preferably, the slideway is a sliding groove with an opening facing the sitting frame, the hinge structure comprises a hinge shaft for hinging the sitting frame and the backrest frame together, and the hinge shaft is provided with a roller arranged in the sliding groove in a rolling manner.

Preferably, the seat frame is provided with a first connecting lug at a position close to the backrest frame, the backrest frame is provided with a second connecting lug at a position close to the seat frame, and the first connecting lug is hinged with the second connecting lug through a hinge shaft.

Preferably, the seat frame is provided with a circular arc-shaped adjusting and restraining hole, the circle center corresponding to the adjusting and restraining hole is positioned on the axis of the articulated shaft, the backrest frame is provided with a restraining wheel, and the restraining wheel moves along with the backrest frame and is always positioned in the adjusting and restraining hole.

Preferably, the first linkage rod is composed of an avoidance curved rod part and a driving lever part, the end part of the avoidance curved rod part is composed of the fixed hinged end, the driving lever part is hinged with the sitting frame, and the end part of the driving lever part is composed of the movable swinging end.

Preferably, the second linkage rod is composed of a first straight rod part close to the sitting frame and a second straight rod part close to the backrest frame, the end part of the first straight rod part forms the movable swinging end, and the end part of the second straight rod part forms the fixed hinged end.

Preferably, the massage chair further comprises a massage mechanism, the massage mechanism comprises a flexible track and a massage machine core, the flexible track is laid from the backrest frame to the sitting frame, and the massage machine core is movably arranged on the flexible track.

Preferably, the driving device comprises a first mounting bracket arranged on the cushion underframe, a second mounting bracket arranged on the sitting frame and a telescopic driver respectively hinged with the first mounting bracket and the second mounting bracket.

Preferably, the telescopic driver is an electric push rod.

Preferably, the mat base frame and the support frame are each a rectangular frame structure.

As mentioned above, the massage chair with the back-and-forth sliding and sitting posture adjustment linkage has the following beneficial effects: when the driving device drives the sitting frame to move towards the front of the massage chair, on one hand, the sitting frame slides along the extension direction of the slide ways through the hinge structures as the hinge structures are symmetrically arranged on the two opposite sides of the sitting frame along the left-right direction of the massage chair and all the hinge structures are in one-to-one correspondence with and in motion fit with all the slide ways; on the other hand, the body part of the first linkage rod is hinged to the sitting frame, the fixed hinged end of the first linkage rod is hinged to the base cushion frame, the first linkage rod swings counterclockwise by taking the fixed hinged end as a swing center, the sitting frame swings clockwise relative to the base frame by taking the hinged structure as a swing center, and the swing angle of the sitting frame relative to the base frame is recorded as a first adjusting angle. And in the process of the backrest frame moving along with the sitting frame, the backrest frame swings clockwise relative to the sitting frame by taking the hinged structure as a swinging center, the swinging angle of the backrest frame relative to the base frame is recorded as a second adjusting angle, and the second adjusting angle is larger than the first adjusting angle. That is to say, when the sitting frame and the backrest frame swing clockwise to enable the massage armchair user to topple over, the included angle between the backrest frame and the sitting frame is enlarged, and then the included angle between the body and the legs of the massage armchair user is enlarged, so that the gravity of the human body is gradually and uniformly dispersed on the whole massage armchair, the body gradually enters a relatively natural and comfortable relaxation state, the body and mind pressure is effectively released, and the fatigue of the waist and the back and other parts is relieved. For example, when the body and the legs of the massage armchair user are at about 127 degrees, the massage armchair user is in a zero gravity state, and meanwhile, the heart and the knees are also on the same horizontal line, so that the pressure of the heart is effectively relieved, and the blood circulation is promoted. When the driving device drives the sitting frame to move towards the rear lower part of the massage armchair, the massage armchair is restored to the original state. Therefore, the massage chair with the back-and-forth sliding and sitting posture adjusting linkage can enable the sitting frame to slide towards the front and the back of the massage chair only through one driving device, adjust the swinging angles of the sitting frame and the backrest frame and adjust the angles of the body and the legs of a user of the massage chair, thereby reducing the number of power sources of the massage chair, simplifying the whole framework of the massage chair, greatly saving the manufacturing and maintaining cost of the massage chair and improving the massage experience of the massage chair.

Drawings

FIG. 1 is a first state view of the massage chair of the present invention in which the forward and backward sliding movement and the sitting posture adjustment are coupled to each other;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a second state view of the massage chair of the present invention with the forward and backward sliding movement and sitting posture adjustment linked to each other;

fig. 4 is an enlarged view of a portion B in fig. 3.

Description of the element reference numerals

1 base frame

11 bedding foundation

12 support frame

13 slideway

2 sitting frame

21 first connecting lug

22 regulating and restraining hole

3 backrest frame

31 second engaging lug

32 restrain wheel

4 linkage mechanism

41 first linkage rod

411 avoiding curved rod part

412 drive the lever part

42 second linkage rod

421 first straight rod part

422 second straight rod part

5 drive device

51 first mounting bracket

52 second mounting bracket

53 telescopic driver

6 hinge structure

61 articulated shaft

62 roller

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 that the present disclosure can be implemented, so that the present disclosure is not limited to the technical essence, and any structural modifications, ratio changes, or size adjustments should still fall within the scope of the present disclosure without affecting the efficacy 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 clarity of description, 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.

For convenience of description, the C rotation direction in fig. 1 is defined as a counterclockwise direction, and a rotation direction opposite to the C rotation direction is defined as a clockwise direction.

As shown in fig. 1, 2, 3 and 4, the present invention provides a massage chair in which a back-and-forth sliding movement and a sitting posture adjustment are interlocked, comprising:

the massage chair comprises a base frame 1, wherein the base frame 1 comprises a cushion bottom frame 11, support frames 12 are symmetrically arranged on two opposite sides of the cushion bottom frame 11 along the left-right direction of the massage chair, and a slide way 13 extending along the front-back direction of the massage chair is arranged on each support frame 12;

the sitting frame 2 is provided with hinge structures 6 symmetrically on two opposite sides of the sitting frame 2 along the left and right direction of the massage chair, and the hinge structures 6 on the two sides are in one-to-one correspondence with the slide ways 13 on the two sides and are in motion fit with the slide ways;

the backrest frame 3, the two opposite sides of the backrest frame 3 along the left and right direction of the massage chair are respectively connected with the sitting frame 2 in a rotating way through a hinge structure 6;

the linkage mechanism 4 comprises a first linkage rod 41 and a second linkage rod 42, two ends of the first linkage rod 41 and the second linkage rod 42 in the extending direction are respectively a fixed hinged end and a movable swinging end, the body part of the first linkage rod 41 is hinged with the sitting frame 2, the fixed hinged end of the first linkage rod 41 is hinged with the bottom cushion frame 11, the movable swinging end of the first linkage rod 41 is hinged with the movable swinging end of the second linkage rod 42, and the fixed hinged end of the second linkage rod 42 is hinged with the back cushion frame 3;

the driving device 5 is used for driving the sitting frame 2 to slide back and forth along the slide way 13.

In the invention, when the driving device 5 drives the sitting frame 2 to move towards the front upper part of the massage armchair, on one hand, the sitting frame 2 performs sliding movement along the extending direction of the slide ways 13 through the hinge structures 6 because the hinge structures 6 are symmetrically arranged on the two opposite sides of the sitting frame 2 along the left-right direction of the massage armchair, and all the hinge structures 6 are in one-to-one correspondence with and are in moving fit with all the slide ways 13; on the other hand, because the body of the first linkage rod 41 is hinged to the seat frame 2, the fixed hinged end of the first linkage rod 41 is hinged to the base frame 11, the first linkage rod 41 swings counterclockwise with the fixed hinged end as a swing center, and then the seat frame 2 swings clockwise relative to the base frame 1 with the hinge structure 6 as a swing center, and the swing angle of the seat frame 2 relative to the base frame 1 is recorded as a first adjustment angle. And because the movable swing end of the first linkage rod 41 is hinged with the movable swing end of the second linkage rod 42, the fixed hinge end of the second linkage rod 42 is hinged with the backrest frame 3, and in the process that the backrest frame 3 moves along with the seat frame 2, the backrest frame 3 swings clockwise relative to the seat frame 2 by taking the hinge structure 6 as a swing center, the swing angle of the backrest frame 3 relative to the base frame 1 is recorded as a second adjustment angle, and the second adjustment angle is larger than the first adjustment angle. That is to say, when the sitting frame 2 and the backrest frame 3 swing clockwise to make the massage armchair user topple over, the included angle between the backrest frame 3 and the sitting frame 2 becomes larger, and then the included angle between the body and the legs of the massage armchair user becomes larger, so that the gravity of the human body gradually disperses onto the whole massage armchair in a balanced manner, the body gradually enters a more natural and comfortable relaxation state, the body and mind pressure is effectively released, and the fatigue of the waist and the back and other parts is relieved. For example, when the body and the legs of the massage armchair user are at about 127 degrees, the massage armchair user is in a zero gravity state (the massage armchair simulates the zero gravity state according to the basic principle of NASA zero gravity capsule seat of the US general aviation administration), and meanwhile, the heart and the knees are on the same horizontal line, so that the pressure of the heart is effectively relieved, and the circulation of blood is promoted. When the driving device 5 drives the sitting frame 2 to move towards the rear lower part of the massage armchair, the massage armchair is restored to the original state.

Therefore, the massage chair with the back-and-forth sliding and sitting posture adjusting linkage can slide the sitting frame 2 towards the front and the back of the massage chair only through the driving device 5, adjust the swinging angles of the sitting frame 2 and the backrest frame 3 and adjust the angles of the body and the legs of a user of the massage chair, thereby reducing the quantity of power sources of the massage chair, simplifying the whole framework of the massage chair, greatly saving the manufacturing and maintenance cost of the massage chair and improving the massage experience of the massage chair.

In order to reduce the frictional resistance between the hinge structure 6 and the slide way 13, the slide way 13 is a sliding groove with an opening facing the sitting frame 2, the hinge structure 6 comprises a hinge shaft 61 for hinging the sitting frame 2 and the backrest frame 3 together, and the hinge shaft 61 is provided with a roller 62 which is arranged in the sliding groove in a rolling way.

As shown in fig. 2, in order to facilitate the hinge joint of the sitting frame 2 and the backrest frame 3, the sitting frame 2 has a first engaging lug 21 at a position close to the backrest frame 3, the backrest frame 3 has a second engaging lug 31 at a position close to the sitting frame 2, and the first engaging lug 21 is hinged to the second engaging lug 31 through a hinge shaft 61.

As shown in fig. 4, in order to limit the included angle between the backrest frame 3 and the seat frame 2, the seat frame 2 is provided with a circular arc-shaped adjustment restriction hole 22, the center of a circle corresponding to the adjustment restriction hole 22 is located on the axis of the hinge shaft 61, the backrest frame 3 is provided with a restriction wheel 32, and the restriction wheel 32 moves along with the backrest frame 3 and is always located in the adjustment restriction hole 22. When in use, when the restraint wheel 32 moves to one end of the regulation restraint hole 22, the included angle between the backrest frame 3 and the sitting frame 2 is minimum; when the restraint wheel 32 moves to the other end of the adjustment restraint hole 22, the included angle between the backrest frame 3 and the seat frame 2 is the largest. The two opposite sides of the sitting frame 2 along the left and right direction of the massage chair are respectively provided with an adjusting restriction hole 22, and the number of the adjusting restriction holes 22 at the two sides can be different. The number and distribution of the restraint wheels 32 are matched with the adjustment restraint holes 22.

As shown in fig. 3, in order to make the first linkage rod 41 escape from the space in the front side of the massage chair, the first linkage rod 41 is composed of an escape curved rod portion 411 and a driving lever portion 412, an end portion of the escape curved rod portion 411 constitutes the fixed hinged end, the driving lever portion 412 is hinged to the seat frame 2, and an end portion of the driving lever portion 412 constitutes the movable swing end. In order to make the second linkage rod 42 leave the space at the hinge joint of the backrest frame 3 and the sitting frame 2, the second linkage rod 42 is composed of a first straight rod part 421 close to the sitting frame 2 and a second straight rod part 422 close to the backrest frame 3, the end of the first straight rod part 421 constitutes the movable swing end, and the end of the second straight rod part 422 constitutes the fixed hinge end. In addition, as shown in fig. 1, as another preferred embodiment of the first linkage rod 41, a portion of the first linkage rod 41 near the fixed hinge end abuts against the ground when the massage chair is in the original state to support the sitting frame 2, thereby improving the stability of the sitting frame 2.

The massage chair also comprises a massage mechanism, in order to enable the massage mechanism to massage the thighs, the buttocks, the back and other parts of a user of the massage chair, the massage mechanism comprises a flexible track and a massage machine core, the flexible track is paved from the backrest frame 3 to the sitting frame 2, and the massage machine core is movably arranged on the flexible track. When the included angle between the backrest frame 3 and the sitting frame 2 changes, the flexible track also deforms adaptively.

As shown in fig. 3, in order to facilitate the installation of the driving device 5 between the base frame 1 and the seat frame 2, the driving device 5 includes a first mounting bracket 51 provided on the cushion base frame 11, a second mounting bracket 52 provided on the seat frame 2, and a telescopic driver 53 hinged to the first mounting bracket 51 and the second mounting bracket 52, respectively. Specifically, the telescopic driver 53 is an electric push rod.

To facilitate the manufacture of the base frame 1, the cushion base frame 11 and the support frame 12 are each of a rectangular frame structure.

In summary, the massage chair of the invention, which is interlocked with the forward-backward sliding and sitting posture adjustment, can slide the sitting frame towards the front and back of the massage chair only by one driving device, and adjust the swing angles of the sitting frame and the backrest frame, and adjust the angles of the body and the legs of the user of the massage chair, thereby reducing the number of power sources of the massage chair, simplifying the overall structure of the massage chair, greatly saving the manufacturing and maintenance costs of the massage chair, and improving the massage experience of the massage chair. Therefore, the invention effectively overcomes various defects in 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 of interdynamic is adjusted with position of sitting to slide around, its characterized in that includes:

the massage chair comprises a base frame (1), wherein the base frame (1) comprises a cushion bottom frame (11), support frames (12) are symmetrically arranged on the cushion bottom frame (11) along the two opposite sides of the left and right directions of the massage chair, and a slide way (13) extending along the front and back directions of the massage chair is arranged on each support frame (12);

the massage chair comprises a sitting frame (2), hinge structures (6) are symmetrically arranged on two opposite sides of the sitting frame (2) along the left-right direction of the massage chair, and the hinge structures (6) on the two sides correspond to the slide ways (13) on the two sides one by one and are in motion fit;

the backrest frame (3), the two opposite sides of the backrest frame (3) along the left and right directions of the massage chair are respectively connected with the sitting frame (2) in a rotating way through a hinge structure (6);

the cushion comprises a linkage mechanism (4), the linkage mechanism (4) comprises a first linkage rod (41) and a second linkage rod (42), two ends of the first linkage rod (41) and two ends of the second linkage rod (42) in the extension direction are respectively a fixed hinged end and a movable swinging end, the body of the first linkage rod (41) is hinged to a sitting frame (2), the fixed hinged end of the first linkage rod (41) is hinged to a cushion underframe (11), the movable swinging end of the first linkage rod (41) is hinged to the movable swinging end of the second linkage rod (42), and the fixed hinged end of the second linkage rod (42) is hinged to a backrest frame (3);

the driving device (5) is used for driving the sitting frame (2) to slide back and forth along the slide way (13).

2. The massage chair capable of realizing the mutual linkage of the forward and backward sliding and the sitting posture adjustment according to claim 1, is characterized in that: the slide way (13) is a sliding groove with an opening facing the sitting frame (2), the hinge structure (6) comprises a hinge shaft (61) which is used for hinging the sitting frame (2) and the backrest frame (3), and a roller (62) which is arranged in the sliding groove in a rolling manner is arranged on the hinge shaft (61).

3. The massage chair capable of realizing the mutual linkage of the forward and backward sliding and the sitting posture adjustment according to claim 2, wherein: the part of the sitting frame (2) close to the backrest frame (3) is provided with a first connecting lug (21), the part of the backrest frame (3) close to the sitting frame (2) is provided with a second connecting lug (31), and the first connecting lug (21) is hinged with the second connecting lug (31) through a hinge shaft (61).

4. The massage chair capable of realizing the mutual linkage of the forward and backward sliding and the sitting posture adjustment according to claim 2, wherein: the seat frame (2) is provided with a circular arc-shaped adjusting and restraining hole (22), the circle center corresponding to the adjusting and restraining hole (22) is positioned on the axis of the articulated shaft (61), the backrest frame (3) is provided with a restraining wheel (32), and the restraining wheel (32) moves along with the backrest frame (3) and is always positioned in the adjusting and restraining hole (22).

5. The massage chair capable of realizing the mutual linkage of the forward and backward sliding and the sitting posture adjustment according to claim 1, is characterized in that: first gangbar (41) comprise dodging curved bar portion (411) and drive lever portion (412), and the tip of dodging curved bar portion (411) constitutes fixed hinged end drives lever portion (412) and just sits the articulated tip that drives lever portion (412) and drive lever portion (412) and constitutes the activity swing end.

6. The massage chair capable of realizing the mutual linkage of the forward and backward sliding and the sitting posture adjustment according to claim 1, is characterized in that: the second linkage rod (42) is composed of a first straight rod part (421) close to the sitting frame (2) and a second straight rod part (422) close to the backrest frame (3), the end part of the first straight rod part (421) forms the movable swinging end, and the end part of the second straight rod part (422) forms the fixed hinged end.

7. The massage chair capable of realizing the mutual linkage of the forward and backward sliding and the sitting posture adjustment according to claim 1, is characterized in that: the massage chair further comprises a massage mechanism, the massage mechanism comprises a flexible track and a massage machine core, the flexible track is laid from the backrest frame (3) to the sitting frame (2), and the massage machine core is movably arranged on the flexible track.

8. The massage chair capable of realizing the mutual linkage of the forward and backward sliding and the sitting posture adjustment according to claim 1, is characterized in that: the driving device (5) comprises a first mounting bracket (51) arranged on the cushion bottom frame (11), a second mounting bracket (52) arranged on the sitting frame (2), and a telescopic driver (53) hinged with the first mounting bracket (51) and the second mounting bracket (52) respectively.

9. The massage chair capable of realizing the mutual linkage of the forward and backward sliding and the sitting posture adjustment according to claim 8, wherein: the telescopic driver (53) is an electric push rod.

10. The massage chair capable of realizing the mutual linkage of the forward and backward sliding and the sitting posture adjustment according to claim 1, is characterized in that: the cushion underframe (11) and the support frame (12) are both in rectangular frame structures.