CN218010302U

CN218010302U - Seat-back frame core walking mechanism and massage chair

Info

Publication number: CN218010302U
Application number: CN202221061390.XU
Authority: CN
Inventors: 林琪; 刘斌斌; 张海林; 王军良
Original assignee: Zhejiang Rongtai Health Appliance Co ltd
Current assignee: Zhejiang Rongtai Health Appliance Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-12-13
Anticipated expiration: 2032-05-05

Abstract

The utility model relates to a massage armchair technical field especially relates to a back of a seat frame core running gear and massage armchair including this back of a seat frame core running gear, and this back of a seat frame core running gear includes: the seat frame assembly is provided with an arc-shaped lower guide rail groove and an arc-shaped kidney-shaped hole which is positioned outside the lower guide rail groove and is parallel to the lower guide rail groove; the back frame component is provided with an upper guide rail groove, and one end of the back frame component is rotatably hinged with one end of the seat frame component around the same rotation center; the driving component drives the back frame component and the seat frame component to rotate relatively; the transition block is provided with an arc-shaped transition guide rail groove, one end of the transition block is connected with the back frame component, and the other end of the transition block is connected with the arc-shaped kidney-shaped hole in a sliding fit manner; the lower guide rail groove, the transition guide rail groove and the upper guide rail groove are sequentially connected to form a walking guide rail groove for the massage machine core to walk, and a rack meshed with a walking gear of the massage machine core is arranged in the walking guide rail groove. The adjustable angle of the walking guide rail is large, so that a human body can be approximately laid on the massage chair.

Description

Seat-back frame core walking mechanism and massage chair

Technical Field

The utility model relates to a massage armchair technical field especially relates to a seat back of body frame core running gear and a massage armchair including this seat back of body frame core running gear.

Background

Most massage chairs on the market at present are designed into an integrated structure for ensuring that a massage machine core can massage the human head to the thigh, so that the walking guide rail of the massage machine core can be designed into an integrated guide rail, the structure is simple, and the cost is low. However, since the back frame and the seat frame are of an integrated structure and the angle is fixed, the angle of the seat and the back can not be adjusted when a user sits on the seat, so that the comfort level of more people can not be met, and more humanized massage experience can not be brought.

In order to solve this problem, a few massage armchair companies have developed massage armchair with adjustable angle of the walking guide rail of the seat back frame mechanism. For example, utility model patent application publication No. CN103690334A discloses a chair-type whole body massage chair, the angle of the seat back frame of which can be adjusted to realize whole body massage, but because the structure is complex and the required price precision is extremely high, it is difficult to ensure that the rack on the seat back frame is matched with the transition rack and the massage machine core is smoothly moved in the actual production, and the manufacturing cost is high. The utility model discloses a utility model patent of publication No. CN207979981U discloses a massage armchair core running gear, provides a back frame core running gear angularly adjustable, and the core running gear of also easy processing compares the tradition and can not transfer the guide rail, has more a little massage gimmick, and the comfort level also has certain promotion, nevertheless because angle regulation is less, when back frame expandes the maximum angle, people's thigh and back still have a not little angle, can't reach the effect of being close to lying flat.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a seat back frame core running gear that guide rail adjustable angle is big to overcome prior art's above-mentioned defect.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a seat back of body frame core running gear, include: the seat frame assembly is provided with an arc-shaped lower guide rail groove and an arc-shaped kidney-shaped hole which is positioned outside the lower guide rail groove and is parallel to the lower guide rail groove; the back frame component is provided with an upper guide rail groove, and one end of the back frame component is rotatably hinged with one end of the seat frame component around the same rotating center; the driving component drives the back frame component and the seat frame component to rotate relatively; the transition block is provided with an arc-shaped transition guide rail groove, one end of the transition block is connected with the back frame component, and the other end of the transition block is connected with the arc-shaped waist-shaped hole in a sliding fit manner; the lower guide rail groove, the transition guide rail groove and the upper guide rail groove are sequentially connected to form a walking guide rail groove for the massage machine core to walk, and a rack meshed with a walking gear of the massage machine core is arranged in the walking guide rail groove.

Preferably, the seat frame assembly comprises a seat frame connected with the back frame assembly in a rotating fit manner and a lower guide rail arranged on the seat frame, and the lower guide rail is provided with a lower guide rail groove and an arc-shaped waist-shaped hole.

Preferably, the back frame assembly comprises a back frame, an upper guide rail arranged on the back frame, a rotating frame connected with the seat frame assembly in a rotating fit manner, and a fixing seat arranged on the rotating frame, wherein one end of the upper guide rail and one end of the transition block are both connected with the fixing seat, and an upper guide rail groove is formed on the upper guide rail and the fixing seat together.

Preferably, the drive assembly comprises a first telescopic member hinged at both ends to the seat frame assembly and the back frame assembly respectively.

Preferably, the back frame assembly and the seat frame assembly are rotatably hinged to the base around the same rotation center, and the driving assembly further comprises a second telescopic member having two ends respectively hinged to the base and the seat frame assembly.

Preferably, the massage machine core comprises a rear shaft driven to rotate and a front shaft arranged parallel to the rear shaft at intervals, the rear shaft is provided with a traveling gear meshed with the rack and first pulleys accommodated in the traveling guide rail groove and positioned on two sides of the rack, and the front shaft is provided with second pulleys accommodated in the traveling guide rail groove and positioned on two sides of the rack and a spacing sleeve positioned between the two second pulleys.

The utility model also provides a massage chair, which comprises the seat and back frame movement traveling mechanism.

Compared with the prior art, the utility model discloses the progress that has showing:

the one end through with back of the body frame subassembly and the one end of seat frame subassembly are rotationally articulated to be connected around same center of rotation, and be connected by the transition piece between back of the body frame subassembly and the seat frame subassembly, the sliding fit of arc waist type hole on the seat frame subassembly and transition piece provides spacing support and wide and abundant home range for the expansion end of transition piece, make the angle adjustable range between back of the body frame subassembly and the seat frame subassembly big, the adjustable angle of massage core walking guide rail is big promptly, thereby can realize making the human body be close to the seat frame subassembly that lies flat and the biggest expansion angle of back of the body frame subassembly on the massage armchair, reach the purpose that the seat lies more comfortable, massage gimmick is abundanter.

Drawings

Fig. 1 is a schematic structural view of a seat back frame movement traveling mechanism according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of the seat back frame movement traveling mechanism of the embodiment of the present invention with the base removed.

Fig. 3 is a schematic structural diagram of a seat frame assembly in a seat back frame movement traveling mechanism according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of a back frame assembly in a seat back frame movement traveling mechanism according to an embodiment of the present invention.

Fig. 5 is a schematic view of the massage movement in the seat back frame movement traveling mechanism of the embodiment of the present invention.

Fig. 6 is a schematic cross-sectional view of the seat frame assembly and the back frame assembly at an initial angle in the seat back frame movement traveling mechanism according to the embodiment of the present invention.

Fig. 7 is a schematic cross-sectional view of a seat frame assembly and a back frame assembly at a maximum deployment angle in a seat back frame movement traveling mechanism according to an embodiment of the present invention.

Wherein the reference numerals are as follows:

1. mounting assembly 26 second hanger

101. Lower guide rail groove 3 transition block

102. Arc kidney-shaped hole 301 transition guide rail groove

11. Transition block on seat frame 31

12. Lower transition block of lower guide rail 32

13. Rotating shaft sleeve 4 massage machine core

14. First hangers 41 walking gear

15. Fourth suspension loop 42 first pulley

2. Back frame assembly 43 second pulley

201. Upper rail groove 44 spacer sleeve

21. Rack 5 of back frame

22. Upper guide rail 6 base

23. Third hanging lug of rotating frame 61

24. Fixed seat 71 first expansion piece

25. Rotating sleeve 72 second telescopic member

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings. These embodiments are provided only for illustrating the present invention and are not intended to limit the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 to 7, the present invention is an embodiment of a seat back frame movement traveling mechanism. The seat back frame movement traveling mechanism of the embodiment is used for supporting the massage movement 4 of the massage chair and enabling the massage movement 4 to travel back and forth between the seat back frames of the massage chair so as to realize the massage function from the head to the thighs of the human body. Herein, the direction in which the massage movement 4 travels from the seat frame of the massage chair to the back frame of the massage chair is defined as traveling from "front" to "rear".

Referring to fig. 1 to 4, the seat back frame movement traveling mechanism of the present embodiment includes a seat frame assembly 1, a back frame assembly 2, a driving assembly, and a transition block 3.

Wherein, seat frame subassembly 1 is formed with curved lower guide rail groove 101 and is located the lower guide rail groove 101 outside and with the arc waist type hole 102 of lower guide rail groove 101 parallel, lower guide rail groove 101 extends and the rear end portion of lower guide rail groove 101 is the arc along the fore-and-aft direction on seat frame subassembly 1, arc waist type hole 102 is equipped with two, two arc waist type holes 102 are located the upper and lower both sides of the arc rear end portion of lower guide rail groove 101 respectively, and all are parallel arrangement with lower guide rail groove 101, two arc waist type holes 102 are unanimous with the crooked radian of lower guide rail groove 101 promptly. The lower guide rail groove 101 is used for supporting the massage machine core 4 to walk back and forth in the lower guide rail groove, so that the thighs and the buttocks of a human body are massaged.

The back frame member 2 is formed with an upper rail groove 201, the upper rail groove 201 extends in the front-rear direction on the back frame member 2, and one end of the back frame member 2 is hinge-connected rotatably about the same rotation center with one end of the seat frame member 1, so that the angle between the back frame member 2 and the seat frame member 1, that is, the angle between the upper rail groove 201 and the lower rail groove 101, is adjustable. The back frame component 2 is used for supporting the whole back of a human body, and the upper guide rail groove 201 is used for supporting the massage machine core 4 to walk back and forth in the back guide rail groove, so that the back of the human body is massaged.

The driving component drives the back frame component 2 and the seat frame component 1 to rotate relatively, so that the angle between the back frame component 2 and the seat frame component 1 is adjusted.

The transition block 3 is formed with an arc-shaped transition guide rail groove 301, one end (such as the rear end) of the transition block 3 is connected and fixed with the back frame component 2, and the end is the fixed end of the transition block 3; the other end (e.g. front end) of the transition block 3 is connected with the arc-shaped kidney-shaped hole 102 on the seat frame assembly 1 in a sliding fit manner, and the end is the movable end of the transition block 3. When the back frame component 2 and the seat frame component 1 rotate relatively, the movable end of the transition block 3 moves relative to the seat frame component 1 through sliding fit with the arc-shaped kidney-shaped hole 102.

The lower guide rail groove 101, the transition guide rail groove 301 and the upper guide rail groove 201 are connected in sequence to form a walking guide rail groove for the massage machine core 4 to walk. The lower guide rail groove 101 and the transition guide rail groove 301, and the transition guide rail groove 301 and the upper guide rail groove 201 are connected in a smooth transition mode, so that the walking guide rail groove is smooth. Wherein, the transition block 3 is fixedly connected with the back frame component 2, so the transition guide rail groove 301 and the upper guide rail groove 201 are fixedly and smoothly connected in a transition way; the curvature of the transition guide rail groove 301 is preferably the same as the curvature of the lower guide rail groove 101, so as to ensure that the transition guide rail groove 301 and the lower guide rail groove 101 can be connected in a smooth transition manner when the transition block 3 slides along the arc-shaped kidney-shaped hole 102 (i.e. when the angle of the walking guide rail groove is adjusted).

The rack 5 is arranged in the walking guide rail groove, the rack 5 is laid in the walking guide rail groove along the front-back direction, and the rack 5 is meshed with the walking gear 41 of the massage machine core 4. The walking gear 41 is driven to rotate, so that the massage machine core 4 can be driven to walk along the rack 5, and the massage machine core 4 can walk between the seat frame component 1 and the back frame component 2.

The seat back frame movement traveling mechanism of the embodiment is characterized in that one end of the back frame assembly 2 and one end of the seat frame assembly 1 are rotatably hinged and connected around the same rotation center, the back frame assembly 2 is connected with the seat frame assembly 1 through the transition block 3, the arc-shaped waist-shaped hole 102 in the seat frame assembly 1 is matched with the transition block 3 in a sliding mode to provide limiting support and a wide range of movement for the movable end of the transition block 3, so that the angle adjustable range between the back frame assembly 2 and the seat frame assembly 1 is large, namely the adjustable angle of the traveling guide rail of the massage movement 4 is large, a human body can approach the maximum unfolding angle (see fig. 6 and 7) of the seat frame assembly 1 and the back frame assembly 2 which are horizontally arranged on a massage chair, and the purposes of more comfortable seat lying and more abundant massage skills are achieved.

Referring to fig. 2, in this embodiment, the transition block 3 is a split structure, and includes an upper transition block 31 and a lower transition block 32 that are arranged in parallel at an interval, the front end of the upper transition block 31 and the front end of the lower transition block 32 are respectively in sliding fit with the arc kidney-shaped holes 102 on the upper and lower sides of the lower guide rail groove 101, the rear end of the upper transition block 31 and the rear end of the lower transition block 32 are respectively connected and fixed with the back frame assembly 2, and an arc transition guide rail groove 301 is formed between the upper transition block 31 and the lower transition block 32 at an interval. In this embodiment, the front end of the upper transition block 31 and the front end of the lower transition block 32 are slidably inserted into the arc-shaped kidney-shaped hole 102 through the connecting pin.

In this embodiment, it is preferable that the rack 5 is provided in the upper rail groove 201 and on the lower transition block 32. The rack 5 adopts the integral structure design, so that the massage machine core 4 can walk back and forth from the head to the thigh of a human body in the back frame component 2 and the seat frame component 1.

Referring to fig. 3, in the present embodiment, the seat frame assembly 1 includes a seat frame 11 rotatably coupled to the back frame assembly 2, and a lower rail 12 provided on the seat frame 11, the lower rail 12 extends in the front-rear direction on the seat frame 11, and the lower rail 12 is formed with a lower rail groove 101 and two arc-shaped kidney-shaped holes 102.

Referring to fig. 4, in the present embodiment, the back frame assembly 2 includes a back frame 21, an upper guide rail 22 disposed on the back frame 21, a rotating frame 23 connected to the seat frame assembly 1 in a rotating fit manner, and a fixing seat 24 disposed on the rotating frame 23, the upper guide rail 22 extends on the back frame 21 in a front-back direction, one end (e.g., a front end) of the upper guide rail 22 is connected to the fixing seat 24 and fixed thereto, and the upper guide rail 22 and the fixing seat 24 jointly form an upper guide rail groove 201. Referring to fig. 2, one end (e.g. the rear end) of the transition block 3 is connected and fixed to the fixing seat 24, thereby realizing the connection and fixation of the transition block 3 and the back frame assembly 2.

Referring to fig. 1, the seat back frame movement traveling mechanism of the present embodiment preferably further includes a base 6, the base 6 is used for supporting the back frame assembly 2 and the seat frame assembly 1, and the back frame assembly 2 and the seat frame assembly 1 are rotatably hinged on the base 6 around the same rotation center. The back frame assembly 2 is rotatably hinged on the base 6 through a rotating sleeve 25 on the rotating frame 23, the seat frame assembly 1 is rotatably hinged on the base 6 through a rotating shaft sleeve 13 on the seat frame 11, and the rotating sleeve 25 is overlapped with the hinge center of the base 6 and the rotating shaft sleeve 13 is overlapped with the hinge center of the base 6.

In this embodiment, referring to fig. 1, the driving assembly includes a first telescopic member 71, the first telescopic member 71 is capable of extending and retracting along the axial direction, two ends of the first telescopic member 71 are respectively hinged to the seat frame assembly 1 and the back frame assembly 2, and the seat frame assembly 1 and the back frame assembly 2 can be driven to rotate relatively to adjust the angle through the extension and retraction of the first telescopic member 71. In this embodiment, referring to fig. 3 and 4, the first hanging lug 14 is disposed on the seat frame 11 of the seat frame assembly 1, the second hanging lug 26 is disposed on the rotating frame 23 of the back frame assembly 2, and two ends of the first telescopic member 71 are respectively hinged to the first hanging lug 14 and the second hanging lug 26.

Further, the driving assembly can further comprise a second telescopic piece 72, the second telescopic piece 72 can be stretched in the axial direction, two ends of the second telescopic piece 72 are hinged to the base 6 and the seat frame assembly 1 respectively, the seat frame assembly 1 can be driven to rotate relative to the base 6 through stretching of the second telescopic piece 72, and therefore the angle between the seat frame assembly 1 and the base 6 can be adjusted, and the angle between the seat frame assembly 1 and the back frame assembly 2 can also be adjusted. In this embodiment, referring to fig. 3, a third hanging lug 61 is disposed on the base 6, a fourth hanging lug 15 is disposed on the seat frame 11 of the seat frame assembly 1, and two ends of the second telescopic member 72 are respectively hinged to the third hanging lug 61 and the fourth hanging lug 15.

In this embodiment, the form of the first telescopic member 71 and the second telescopic member 72 is not limited, and for example, an air cylinder or a hydraulic cylinder or an electric push rod may be used.

In this embodiment, referring to fig. 2 and 5, the massage machine core 4 includes a rear shaft driven to rotate and a front shaft arranged parallel to the rear shaft at an interval, the front shaft is located at the front side of the rear shaft, the rear shaft is provided with a traveling gear 41 engaged with the rack 5 and first pulleys 42 accommodated in the traveling guide groove and located at both sides of the rack 5, and the front shaft is provided with second pulleys 43 accommodated in the traveling guide groove and located at both sides of the rack 5 and a spacer 44 located between the two second pulleys 43. The core body installation of massage core 4 is supported around and on the rear axle, the rear axle that provides power drive by the core body rotates and drives walking gear 41 and rotate, drive the whole walking back and forth along rack 5 of massage core 4, the walking in-process, first pulley 42 and second pulley 43 roll along walking guide rail groove, play spacing and effect of direction, separate by spacer sleeve 44 between two epaxial second pulleys 43 in the front, can guarantee that massage core 4 can follow the lower transition piece of transition piece 3 and pass through.

It should be noted that the seat back frame mechanism traveling mechanism of this embodiment is formed with two sets of the traveling guide rail groove structures, the two sets of the traveling guide rail grooves are symmetrically arranged on the left and right sides of the massage chair, and the left and right sides of the massage mechanism 4 are respectively matched with the two sets of the traveling guide rail grooves through a set of the traveling gear 41, the first pulley 42, the second pulley 43, and the spacer 44 structures, thereby realizing the stable traveling of the massage mechanism 4.

Based on above-mentioned seat back frame core running gear, this embodiment still provides a massage armchair, and the massage armchair of this embodiment includes the above-mentioned seat back frame core running gear of this embodiment.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a seat back of body frame core running gear which characterized in that includes:

the seat frame assembly (1) is provided with an arc-shaped lower guide rail groove (101) and an arc-shaped waist-shaped hole (102) which is positioned outside the lower guide rail groove (101) and is parallel to the lower guide rail groove (101);

the back frame component (2) is provided with an upper guide rail groove (201), and one end of the back frame component (2) is rotatably hinged with one end of the seat frame component (1) around the same rotation center;

the driving component drives the back frame component (2) and the seat frame component (1) to relatively rotate;

the transition block (3) is provided with an arc-shaped transition guide rail groove (301), one end of the transition block (3) is connected with the back frame component (2), and the other end of the transition block is connected with the arc-shaped waist-shaped hole (102) in a sliding fit manner;

the lower guide rail groove (101), the transition guide rail groove (301) and the upper guide rail groove (201) are sequentially connected to form a walking guide rail groove for the walking of the massage machine core (4), and a rack (5) meshed with a walking gear (41) of the massage machine core (4) is arranged in the walking guide rail groove.

2. A seat back frame movement travelling mechanism according to claim 1, wherein the seat frame assembly (1) comprises a seat frame (11) in rotation fit connection with the back frame assembly (2) and a lower guide rail (12) arranged on the seat frame (11), the lower guide rail (12) being formed with the lower guide rail groove (101) and the arc-shaped kidney-shaped hole (102).

3. A seat back frame movement traveling mechanism according to claim 1, wherein the back frame assembly (2) comprises a back frame (21), an upper guide rail (22) arranged on the back frame (21), a rotating frame (23) connected with the seat frame assembly (1) in a rotating fit manner, and a fixing seat (24) arranged on the rotating frame (23), one end of the upper guide rail (22) and one end of the transition block (3) are both connected with the fixing seat (24), and the upper guide rail groove (201) is formed by the upper guide rail (22) and the fixing seat (24) together.

4. Seat back frame movement travelling mechanism according to claim 1, characterised in that the driving assembly comprises a first telescopic member (71) hinged at both ends to the seat frame assembly (1) and the back frame assembly (2), respectively.

5. A seat back frame movement travelling mechanism according to claim 4, wherein the back frame assembly (2) and the seat frame assembly (1) are rotatably hinged on a base (6) around the same centre of rotation, and the drive assembly further comprises a second telescopic member (72) having two ends hinged with the base (6) and the seat frame assembly (1), respectively.

6. A seat back frame movement traveling mechanism according to claim 1, wherein the massage movement (4) comprises a rear shaft driven to rotate and a front shaft arranged in parallel with the rear shaft at an interval, the rear shaft is provided with a traveling gear (41) engaged with the rack (5) and first pulleys (42) accommodated in the traveling guide rail groove and positioned at two sides of the rack (5), and the front shaft is provided with second pulleys (43) accommodated in the traveling guide rail groove and positioned at two sides of the rack (5) and a spacer sleeve (44) positioned between the two second pulleys (43).

7. A massage chair, characterized in that it comprises a seat back frame movement traveling mechanism according to any one of claims 1 to 6.