CN111759694A - A massage chair with interlinked front and rear sliding and sitting posture adjustment - Google Patents

Abstract

The invention provides a massage chair in which front and rear sliding and sitting posture adjustment are interlocked. There is a slideway extending along the front and rear directions of the massage chair; the seat frame is symmetrically provided with hinged structures along the opposite sides of the massage chair in the left and right direction, and all hinged structures correspond to all slideways one-to-one and cooperate with each other in motion; backrest frame, backrest The opposite sides of the frame along the left and right directions of the massage chair are respectively rotatably connected with the sitting frame through a hinge structure; a linkage mechanism, the linkage mechanism includes a first linkage rod and a second linkage rod; the driving device, the driving device is used to drive the sitting frame forward and backward along the slideway Sliding, the present invention can make the seat frame slide toward the front of the massage chair through only one driving device, adjust the swing angle of the seat frame and the backrest frame, and adjust the angle between the body and the legs of the massage chair user.

Description

A massage chair with interlinked front and rear sliding and sitting posture adjustment

technical field

The invention relates to the technical field of massage equipment, in particular to a massage chair with interlinked front and rear sliding and sitting posture adjustment.

Background technique

With the increasing improvement of people's living standards, people pay more and more attention to health and wellness, and massage chairs will gradually enter thousands of households. At present, the massage chair is developing rapidly, the technology and craftsmanship are improving day by day, and new materials, new technologies and new craftsmanship are constantly being applied to new products of massage chairs. But at the same time, customers have higher and higher requirements for products, especially in terms of quality, price and comfort. There are many problems with massage chairs. For example, massage chair backrest angle adjustment, thigh angle adjustment and seat sliding forward require a lot of movement space. Most massage chairs on the market are equipped with three drive motors: backrest adjustment motor, thigh adjustment motor and forward sliding motor . However, such a high cost makes the massage chair not popular due to its high price, and once the motor fails, the replacement and maintenance cost is also very high. Therefore, the above problems of the existing massage chairs need to be solved urgently.

SUMMARY OF THE INVENTION

In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the present invention is to provide a massage chair in which the front and rear sliding and the sitting posture adjustment are interlinked. At the same time, adjust the swing angle of the seat frame and the backrest frame, and adjust the angle between the body and the legs of the massage chair user, thereby reducing the number of power sources of the massage chair, simplifying the overall structure of the massage chair, and greatly saving the manufacture and cost of the massage chair. Maintenance costs, improve the massage experience of the massage chair.

In order to solve the above-mentioned technical problem, the present invention provides a kind of massage chair with interlocking front and rear sliding and sitting posture adjustment, including:

A base frame, the base frame includes a cushion base frame, and support frames are symmetrically arranged on opposite sides of the cushion base frame along the left and right directions of the massage chair, and each support frame is provided with a slideway extending along the front and rear directions of the massage chair;

The seating frame is symmetrically provided with hinged structures along the opposite sides of the massage chair in the left and right direction, and the hinged structures on both sides correspond to the slideways on both sides one-to-one and cooperate with each other in motion;

A backrest frame, the opposite sides of the backrest frame along the left and right directions of the massage chair are respectively connected with the seating frame through a hinge structure in rotation;

A linkage mechanism, the linkage mechanism includes a first linkage rod and a second linkage rod, both ends of the first linkage rod and the second linkage rod in the extension direction are respectively a fixed hinge end and a movable swing end, and the shaft portion of the first linkage rod It is hinged with the seating frame, the fixed hinged end of the first linkage rod is hinged with the cushion bottom frame, the movable swing end of the first linkage rod is hinged with the movable swing end of the second linkage rod, and the fixed hinged end of the second linkage rod is hinged with the backrest frame;

The driving device is used to drive the seat frame to slide back and forth along the slideway.

Preferably, the slideway is a sliding slot with an opening facing the seating frame, the hinge structure includes a hinge shaft for hingedly connecting the seating frame and the backrest frame, and the hinge shaft is provided with a roller that rolls in the sliding slot.

Preferably, a portion of the seat frame close to the backrest frame has a first connection ear, a portion of the backrest frame close to the seat frame has a second connection ear, and the first connection ear is hinged with the second connection ear through a hinge shaft.

Preferably, the seating frame is provided with an arc-shaped adjustment constraint hole, the center of the circle corresponding to the adjustment constraint hole is located on the axis of the hinge shaft, the backrest frame is provided with a constraint wheel, and the constraint wheel moves with the backrest frame and Always inside the adjustment restraint hole.

Preferably, the first linkage rod is composed of an avoidance curved rod portion and a driving lever portion, the end of the avoidance curved rod portion constitutes the fixed hinge end, and the driving lever portion is hinged with the seating frame and drives the lever portion. Describe the movable swing end.

Preferably, the second linkage rod is composed of a first straight rod portion close to the seating frame and a second straight rod portion close to the backrest frame, the end of the first straight rod portion constitutes the movable swing end, and the second straight rod The ends of the parts constitute the fixed hinge ends.

Preferably, the massage chair further includes a massage mechanism, the massage mechanism includes a flexible track and a massage movement, the flexible track is laid from the backrest frame to the seating frame, and the massage movement is arranged on the flexible track.

Preferably, the driving device includes a first mounting bracket provided on the pad bottom frame, a second mounting bracket provided on the seating frame, and a telescopic driver hinged with the first mounting bracket and the second mounting bracket respectively.

Preferably, the telescopic driver is an electric push rod.

Preferably, both the pad base frame and the support frame have a rectangular frame structure.

As mentioned above, the massage chair in which the front and rear sliding and the sitting posture adjustment are interlinked with each other of the present invention has the following beneficial effects: when the driving device drives the seating frame to move toward the front of the massage chair, on the one hand, due to the relative position of the seating frame along the left and right directions of the massage chair The two sides are symmetrically provided with hinged structures, and all hinged structures are in one-to-one correspondence with all slideways and move together, the seating frame slides along the extension direction of the slideway through the hinged structures; on the other hand, due to the rod of the first linkage rod The body is hinged with the seat frame, the fixed hinge end of the first linkage rod is hinged with the cushion base, the first linkage rod swings counterclockwise with its fixed hinge end as the swing center, and then the seat frame swings relative to the base frame with a hinged structure. The center swings clockwise, and the swing angle of the sitting frame relative to the base frame is recorded as the first adjustment angle. And because 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 backrest frame, the backrest frame is in the process of moving with the sitting frame, and the backrest frame is relative to the seated frame. The frame swings clockwise with the hinge structure as the swing center, and the swing angle of the backrest frame relative to the base frame is recorded as the second adjustment angle, and the second adjustment angle is greater than the first adjustment angle. That is to say, when the seat frame and the back frame are swung clockwise to make the massage chair user fall, the angle between the back frame and the seat frame becomes larger, thereby making the body and the legs of the massage chair user fall apart. The angle becomes larger, so that the gravity of the human body is gradually and evenly dispersed on the entire massage chair, so that the body gradually enters a more natural and comfortable state of relaxation, which can effectively release the physical and mental pressure and relieve the fatigue of the lower back and other parts. For example, when the massage chair user's body and legs are at about 127 degrees, the massage chair user is in a zero-gravity state, and at the same time, the heart and knees are also on the same horizontal line, which effectively reduces the pressure on the heart and promotes blood circulation. cycle. When the driving device drives the seating frame to move toward the back and downward of the massage chair, the massage chair returns to its original state. Therefore, the massage chair of the present invention, in which the front and rear sliding and the adjustment of the sitting posture are interlinked, only uses one driving device to make the seat frame slide toward the front and rear of the massage chair, adjust the swing angles of the seat frame and the backrest frame at the same time, and adjust the user of the massage chair. It can 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.

Description of drawings

Fig. 1 shows the first use state diagram of the massage chair in which front and rear sliding and sitting posture adjustment are interlinked according to the present invention;

Figure 2 shows an enlarged view of part A in Figure 1;

Fig. 3 shows the second use state diagram of the massage chair in which front and rear sliding and sitting posture adjustment are interlinked according to the present invention;

FIG. 4 is an enlarged view of part B in FIG. 3 .

Component label description

1 Pedestal stand

11 Pad Bottom Rack

12 Support frame

13 slides

2 sitting racks

21 First connection ear

22 Adjust the restraint hole

3 Backrest

31 Second connection ear

32 Constraining Wheels

4 linkage mechanism

41 First linkage lever

411 Avoidance of the curved rod

412 Drive the lever part

42 Second linkage lever

421 First straight rod

422 Second straight rod

5 Drive

51 First Mounting Bracket

52 Second Mounting Bracket

53 Telescopic drive

6 Hinged structure

61 Articulated shaft

62 Wheels

Detailed ways

The embodiments of the present invention are described below by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

It should be noted that the structures, proportions, sizes, etc. shown in the accompanying drawings in this specification are only used to cooperate with the contents disclosed in the specification for the understanding and reading of those who are familiar with the technology, and are not intended to limit the implementation of the present invention. Restricted conditions, it does not have technical substantive significance, any structural modification, proportional relationship change or size adjustment, without affecting the effect that the present invention can produce and the purpose that can be achieved, should still fall within the present invention. The scope of the disclosed technical content can be covered. At the same time, the terms such as "up", "down", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and clarity, and are not used to limit this specification. The implementable scope of the invention, and the change or adjustment of the relative relationship thereof, shall also be regarded as the implementable scope of the present invention without substantially changing the technical content.

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

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present invention provides a massage chair in which front and rear sliding and sitting posture adjustment are interlinked, including:

Base frame 1, the base frame 1 includes a cushion base frame 11, and the cushion base frame 11 is symmetrically provided with support frames 12 along the opposite sides of the left and right direction of the massage chair, and each support frame 12 is provided with a slideway 13 extending along the front and rear directions of the massage chair;

The sitting frame 2, the sitting frame 2 is symmetrically provided with hinged structures 6 on opposite sides along the left and right direction of the massage chair, and the hinged structures 6 on both sides are in one-to-one correspondence with the slideways 13 on both sides and cooperate with each other in motion;

The backrest frame 3, the opposite sides of the backrest frame 3 along the left and right direction of the massage chair are respectively rotatably connected with the sitting frame 2 through the hinge structure 6;

Linkage mechanism 4. The linkage mechanism 4 includes a first linkage rod 41 and a second linkage rod 42. Both ends of the first linkage rod 41 and the second linkage rod 42 in the extension direction are the fixed hinge end and the movable swing end, respectively. The shaft portion of the linkage rod 41 is hinged with the seating frame 2, the fixed hinged end of the first linkage rod 41 is hinged with the cushion bottom frame 11, the movable swing end of the first linkage rod 41 is hinged with the movable swing end of the second linkage rod 42, and the first linkage rod 41 is hinged with the movable swing end of the second linkage rod 42. The fixed hinged end of the second linkage rod 42 is hinged with the backrest frame 3;

The driving device 5 is used to drive the seating frame 2 to slide back and forth along the slideway 13 .

In the present invention, when the driving device 5 drives the seat frame 2 to move toward the front and upper side of the massage chair, on the one hand, since the seat frame 2 is symmetrically provided with hinge structures 6 along the opposite sides of the massage chair in the left and right direction, and all hinge structures 6 are connected to All the slideways 13 are in one-to-one correspondence and in motion, and the seating frame 2 slides along the extending direction of the slideway 13 through the hinge structure 6; The fixed hinge end of the first linkage rod 41 is hinged with the pad base frame 11 , the first linkage rod 41 swings counterclockwise with its fixed hinge end as the swing center, and then the seat frame 2 is relative to the base frame 1 with the hinge structure 6 as the swing center Swing in the clockwise direction, and record the swing angle of the seat frame 2 relative to the base frame 1 as the first adjustment angle. Since 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 hinged end of the second linkage rod 42 is hinged with the backrest frame 3, and the backrest frame 3 is in the process of moving with the seat frame 2. , the backrest frame 3 swings clockwise relative to the sitting frame 2 with the hinge structure 6 as the swing center, and the swing angle of the backrest frame 3 relative to the base frame 1 is recorded as the second adjustment angle, and the second adjustment angle is greater than the first adjustment angle . That is to say, while the seat frame 2 and the back frame 3 are swung clockwise to make the massage chair user fall down, the angle between the back frame 3 and the seat frame 2 becomes larger, thereby causing the massage chair user's body to fall. The angle with the legs becomes larger, so that the gravity of the human body is gradually and evenly dispersed on the entire massage chair, so that the body gradually enters a more natural and comfortable state of relaxation, so as to effectively release the physical and mental pressure and relieve the fatigue of the lower back and other parts. . For example, when the massage chair user's body and legs are at about 127 degrees, the massage chair user is in a zero-gravity state (the massage chair is based on the basic principles of NASA's zero-gravity capsule seat to simulate zero-gravity At the same time, the heart and knees are also on the same level, which effectively reduces the pressure on the heart and promotes blood circulation. When the driving device 5 drives the seating frame 2 to move toward the rear and downward of the massage chair, the massage chair returns to its original state.

Therefore, in the massage chair of the present invention, in which the front and rear sliding and the sitting posture adjustment are interlinked, only one driving device 5 is used to make the seat frame 2 slide toward the front and rear of the massage chair, and at the same time, the swing angles of the seat frame 2 and the backrest frame 3 are adjusted. The angle between the body and the legs of the massage chair user can 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 reduce the frictional resistance between the hinged structure 6 and the slideway 13, the slideway 13 is a sliding groove with an opening facing the seating frame 2, and the hinged structure 6 includes a hinge shaft 61 that hinges the seating frame 2 and the backrest frame 3 together. , the hinge shaft 61 is provided with a rolling wheel 62 arranged in the sliding groove.

As shown in FIG. 2 , in order to facilitate the hinged connection between the seat frame 2 and the backrest frame 3 , the seat frame 2 has a first connecting ear 21 at the position close to the back frame 3 , and the seat back frame 3 has a second connecting ear at the position close to the seat frame 2 . 31 , the first connecting ear 21 is hinged with the second connecting ear 31 through the hinge shaft 61 .

As shown in FIG. 4 , in order to limit the angle between the backrest frame 3 and the seat frame 2, the seat frame 2 is provided with an arc-shaped adjustment restriction hole 22, and the center of the circle corresponding to the adjustment restriction hole 22 is located at the hinge axis On the axis of 61 , the above-mentioned backrest frame 3 is provided with a restraint wheel 32 , and the restraint wheel 32 moves with the backrest frame 3 and is always located in the adjustment restraint hole 22 . In use, when the restraint wheel 32 moves to one end of the adjustment restraint hole 22, the angle between the backrest frame 3 and the seat frame 2 is the smallest; when the restraint wheel 32 moves to the other end of the adjustment restraint hole 22, the backrest frame 3 and The included angle between the seating frames 2 is the largest. Adjustment and restraint holes 22 are respectively provided on opposite sides of the sitting frame 2 along the left and right direction of the massage chair, and the number of the adjustment and restraint holes 22 on both sides may be inconsistent. The number and distribution of the constraining wheels 32 are adapted to the adjustment constraining holes 22 .

As shown in FIG. 3 , in order to make the first linkage rod 41 evade the space on the front side of the massage chair, the first linkage rod 41 is composed of a curved rod part 411 and a driving lever part 412 , and the end of the curved rod part 411 is avoided. The above-mentioned fixed hinged end is formed, and the end that drives the lever portion 412 to be hinged with the seating frame 2 and drives the end of the lever portion 412 to form the above-mentioned movable swing end. In order to allow the second linkage rod 42 to avoid space at the hinge point of the backrest frame 3 and the seat frame 2 , the second linkage rod 42 is composed of a first straight rod portion 421 close to the seat frame 2 and a second straight rod portion close to the backrest frame 3 . The rod portion 422 is constituted, the end portion of the first straight rod portion 421 constitutes the above-mentioned movable swing end, and the end portion of the second straight rod portion 422 constitutes the above-mentioned fixed hinge end. In addition, as shown in FIG. 1 , as another preferred embodiment of the first linkage rod 41 , the part of the first linkage rod 41 close to the fixed hinge end is in contact with the ground when the massage chair is in the original state, so as to support the seating frame 2 , Thus, the stability of the seating frame 2 is improved.

The above-mentioned massage chair also includes a massage mechanism. In order to enable the massage mechanism to massage the thighs, buttocks, back and other parts of the massage chair user, the massage mechanism includes a flexible track and a massage movement, and the flexible track is laid from the backrest frame 3. To the seating frame 2, the massage movement is set in motion on a flexible track. When the angle between the backrest frame 3 and the seat frame 2 changes, the flexible track also deforms adaptively.

As shown in FIG. 3 , in order to facilitate the installation of the above-mentioned driving device 5 between the base frame 1 and the seating frame 2 , the above-mentioned driving device 5 includes a first mounting bracket 51 arranged on the cushion base frame 11 , and a first mounting bracket 51 arranged on the seating frame 2 . The second mounting bracket 52 and the telescopic driver 53 hinged with the first mounting bracket 51 and the second mounting bracket 52 respectively. Specifically, the above-mentioned telescopic driver 53 is an electric push rod.

In order to facilitate the manufacture of the base frame 1, the cushion base frame 11 and the support frame 12 are both in the form of a rectangular frame structure.

To sum up, the massage chair of the present invention in which the front and rear sliding and the sitting posture adjustment are mutually linked, only through one driving device, the seat frame slides toward the front and rear of the massage chair, and the swing angles of the seat frame and the backrest frame are adjusted at the same time, and the massage is adjusted. The angle between the body and the legs of the chair user can 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. Therefore, the present invention effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

The above-mentioned embodiments merely illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed in the present invention should still be covered by the claims of the present invention.

Claims (10)

1. a massage chair that slides back and forth and adjusts the sitting posture interlockingly, is characterized in that, comprises: A base frame (1), the base frame (1) includes a cushion base frame (11), and support frames (12) are symmetrically arranged on opposite sides of the cushion base frame (11) along the left and right directions of the massage chair, and each support frame (12) is provided with a support frame (12). There is a slideway (13) extending along the front and rear directions of the massage chair; The seating frame (2) is symmetrically provided with hinge structures (6) on opposite sides along the left and right direction of the massage chair, and the hinge structures (6) on both sides correspond to the slideways (13) on both sides in one-to-one correspondence and sports coordination; The backrest frame (3), the opposite sides of the backrest frame (3) along the left and right directions of the massage chair are respectively rotatably connected with the seating frame (2) through a hinge structure (6); A linkage mechanism (4), the linkage mechanism (4) comprises a first linkage rod (41) and a second linkage rod (42), both ends of the first linkage rod (41) and the second linkage rod (42) in the extension direction are They are the fixed hinged end and the movable swinging end, respectively, the shaft portion of the first linkage rod (41) is hinged with the seating frame (2), the fixed hinged end of the first linkage rod (41) is hinged with the pad base (11), the first The movable swinging end of the 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 backrest frame (3); The driving device (5) is used for driving the seating frame (2) to slide back and forth along the slideway (13). 2. The massage chair with interlinked front and rear sliding and sitting posture adjustment according to claim 1, characterized in that: the slideway (13) is a slide groove with an opening facing the sitting frame (2), and the hinged structure (6) ) comprises a hinge shaft (61) for hingedly connecting the seat frame (2) and the backrest frame (3), and the hinge shaft (61) is provided with a roller (62) rollingly arranged in the sliding groove. 3. The massage chair with interlocking front and rear sliding and sitting posture adjustment according to claim 2, wherein the seat frame (2) has a first connecting ear (21) at the position close to the backrest frame (3). The part of the backrest frame (3) close to the sitting frame (2) has a second connection ear (31), and the first connection ear (21) is hinged with the second connection ear (31) through a hinge shaft (61). 4. The massage chair with interlocking front and rear sliding and sitting posture adjustment according to claim 2, characterized in that: the sitting frame (2) is provided with an arc-shaped adjustment constraining hole (22), and the adjusting constraining hole The center of the circle corresponding to (22) is located on the axis of the hinge shaft (61), the backrest frame (3) is provided with a constraining wheel (32), and the constraining wheel (32) moves with the backrest frame (3) and is always located in the adjustment constraint inside the hole (22). 5 . The massage chair with interlocking front and rear sliding and sitting posture adjustment according to claim 1 , wherein the first linkage rod ( 41 ) is composed of an avoidance bending rod portion ( 411 ) and a driving lever portion ( 412 ). 6 . , the end of the avoidance bending rod portion (411) constitutes the fixed hinge end, the lever portion (412) is hinged with the seat frame (2) and the end of the lever portion (412) is driven to constitute the movable swing end. 6. The massage chair with interlinked front and rear sliding and sitting posture adjustment according to claim 1, wherein the second linkage rod (42) is formed by a first straight rod portion (421) close to the sitting frame (2). and the second straight rod portion (422) close to the backrest frame (3), the end portion of the first straight rod portion (421) constitutes the movable swing end, and the end portion of the second straight rod portion (422) constitutes the Fixed hinged end. 7. The massage chair with interlinked front and rear sliding and sitting posture adjustment according to claim 1, characterized in that: the massage chair further comprises a massage mechanism, the massage mechanism comprises a flexible track and a massage movement, and the flexible track extends from the backrest The frame (3) is laid to the seat frame (2), and the massage movement is arranged on the flexible track. 8. The massage chair with interlocking front and rear sliding and sitting posture adjustment according to claim 1, 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) provided on the seating 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 with interlinked front and rear sliding and sitting posture adjustment according to claim 8 , wherein the telescopic driver ( 53 ) is an electric push rod. 10 . 10 . The massage chair with interlinked front and rear sliding and sitting posture adjustment according to claim 1 , wherein the cushion bottom frame ( 11 ) and the support frame ( 12 ) are both in a rectangular frame structure. 11 .

Images