CN115778743A - Double-linkage mechanism for lifting and stretching legs of massage chair - Google Patents
Double-linkage mechanism for lifting and stretching legs of massage chair Download PDFInfo
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- CN115778743A CN115778743A CN202211366615.7A CN202211366615A CN115778743A CN 115778743 A CN115778743 A CN 115778743A CN 202211366615 A CN202211366615 A CN 202211366615A CN 115778743 A CN115778743 A CN 115778743A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 210000001699 lower leg Anatomy 0.000 claims description 56
- 210000002414 leg Anatomy 0.000 claims description 25
- 210000000689 upper leg Anatomy 0.000 claims description 13
- 230000008093 supporting effect Effects 0.000 claims description 10
- 230000009977 dual effect Effects 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 7
- 244000309466 calf Species 0.000 claims 3
- 210000002421 cell wall Anatomy 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 230000006872 improvement Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000005484 gravity Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention discloses a massage chair shank lifting and stretching dual-linkage mechanism which comprises a shank frame, a guide rail frame, a lifting part and a telescopic rod capable of sliding and arranged in the shank frame, wherein the shank frame is internally provided with a telescopic part which is linked with the lifting part, so that the telescopic rod is in a state of extending out of the shank frame after the shank frame is lifted by the lifting part. The massage chair shank lifting and stretching dual-linkage mechanism can realize the effect of active stretching of the shank frame through the arrangement of the telescopic rod and the telescopic part, and further improve the comfort of people in using the massage chair.
Description
Technical Field
The invention relates to a linkage mechanism, in particular to a double linkage mechanism for lifting and stretching legs of a massage chair.
Background
Patent CN106618997a provides a forward zero gravity massage chair frame, in which the leg beautifying frame (reference number 6 in the literature, also called as crus frame in the industry) is extended by the action of the traction rod (reference number 13 in the literature) and the driving rod (reference number 12 in the literature), because the leg beautifying frame is extended and adjusted by only two rods, the angle adjusting speed during adjustment is too fast, and the comfort level of the lying posture of the human body is not good.
Therefore, in the prior art, there is patent No. 2020219066995, which is named as a zero gravity massage frame, the utility model discloses a leg frame is extended by arranging the second linkage push rod, the third linkage push rod and the fourth linkage push rod, so as to form a three-rod extension structure, so that compared with a two-rod extension structure, the extension speed is more stable, and the comfort level is higher, however, the leg frame in the massage frame of the structure cannot realize the active extension function, and mainly realizes the passive effect along with the extension of the human foot through the effect of the tension spring, however, because the tension spring mainly realizes the passive extension through the elasticity, when the tension spring is elongated by foot stepping, the elasticity is applied to the sole of the human foot, so as to press the sole of the human foot, and the comfort level is greatly reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a massage chair shank lifting and stretching dual-linkage mechanism which can actively stretch and retract a shank frame and improve the comfort.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a massage armchair shank lifts and flexible pair link, includes shank frame, guide rail frame, lifts the telescopic link of part and slidable setting in the shank frame, the shank frame is rotatable to be installed on the tip of guide rail frame, it links with the shank frame to lift the part, drives shank frame and lifts or put down, be equipped with the extensible part in the shank frame, this extensible part and the part linkage that lifts to after the shank frame lifts through the part that lifts, make the telescopic link be in the state that stretches out from the shank frame, after the shank frame is put down through the part that lifts, make the telescopic link be in the state of retracting to in the shank frame.
As a further improvement of the invention, the shank frame comprises a housing, the telescopic part comprises a driving rod, the driving rod and the telescopic rod are both arranged in the housing in a sliding manner and are linked with each other, the driving rod is linked with the lifting part and driven by the lifting part to drive the telescopic rod to slide, so that the telescopic rod slides out of or retracts into the housing.
As a further improvement of the invention, the driving rod and the telescopic rod are arranged in parallel in the shell, a linkage wheel is arranged in the middle of the shell and opposite to the position between the driving rod and the telescopic rod, and the side walls of the opposite sides of the driving rod and the telescopic rod are both abutted against the linkage wheel, so that the telescopic rod and the driving rod are linked with each other through the linkage wheel.
As a further improvement of the invention, the lifting component comprises a linkage sheet group, a turning frame and a turning shaft, the linkage sheet group is connected to the guide rail frame and is also connected with the crus frame so as to link the guide rail frame and the crus frame, the turning shaft is arranged on the guide rail frame, the turning frame is fixed on an external chair base, a chute is arranged in the turning frame, and the turning shaft is arranged in the chute in a sliding manner.
As a further improvement of the invention, a rotating wheel is coaxially and rotatably sleeved on the overturning shaft, the rotating wheel is arranged in the sliding groove, and the wheel surface rolls on the groove wall of the sliding groove.
As a further improvement of the invention, the linkage piece group comprises a lifting driving rod, a telescopic driving rod and a lifting rod group, the lifting rod group is arranged between the external chair base and the thigh part of the guide rail frame so as to lift the thigh part of the guide rail frame upwards when the guide rail frame is toppled and moved forwards, one ends of the lifting driving rod and the telescopic driving rod are hinged with each other and then linked with the lifting rod group, the other end of the lifting driving rod is hinged with the shank frame, and the other end of the telescopic driving rod is linked with the telescopic part.
As a further improvement of the invention, the lifting rod group comprises a supporting swing rod, a linkage lower connecting sheet, a driving lower connecting sheet and an electric cylinder, wherein the upper end of the electric cylinder is connected to the back of the guide rail frame, the lower end of the electric cylinder is connected to the external chair base, the lower end of the supporting swing rod is hinged to the external chair base, the upper end of the supporting swing rod is hinged to the guide rail frame, one end of the driving lower connecting sheet is hinged to the position of the supporting swing rod below the guide rail frame, the other end of the driving lower connecting sheet is hinged to the lower end of the linkage lower connecting sheet, the middle part of the linkage lower connecting sheet is hinged to the guide rail frame, and the upper end of the linkage lower connecting sheet is hinged to the hinged position between the lifting driving rod and the telescopic driving rod.
As a further improvement of the invention, the driving lower connecting piece comprises a straight rod part and a bent part, the end part of the straight rod part is in arc transition with the end part of the bent part, the other end of the straight rod part, relative to the bent part, is hinged with the end part of the linkage lower connecting piece, and the other end of the bent part, relative to the straight rod part, is hinged with a position of the support swing rod, which is below the guide rail frame.
As a further improvement of the invention, the back part and the thigh part of the guide rail frame are in arc transition.
As a further improvement of the invention, a shaft lever is fixed on the end part of the shank bracket, the end part of the shaft lever is provided with a hinge piece, and the end part of the driving rod is hinged on the hinge piece.
The massage chair has the advantages that the massage chair underframe structure can be formed by arranging the lower leg frame, the guide rail frame, the lifting part and the telescopic rod, meanwhile, the lower leg frame also has a corresponding lifting function, and the effect of active extension and retraction of the telescopic rod can be realized by arranging the telescopic part and the telescopic rod.
Drawings
FIG. 1 is a view of the overall structure of a massage chair with a dual linkage mechanism for lifting and stretching the legs of the massage chair;
FIG. 2 is a schematic view of an initial state of a massage chair with a dual mechanism for lifting and stretching legs of the massage chair;
FIG. 3 is a schematic structural view of a lying state of a massage chair with a dual linkage mechanism of lifting and stretching legs of the massage chair;
FIG. 4 is a schematic structural view of the lower leg frame of FIG. 3;
FIG. 5 is a schematic structural diagram of the lifting member of FIG. 3.
Detailed Description
The present invention will be further described with reference to the embodiments shown in the drawings, wherein the positions of the thigh, the shank, and the back of the rail frame 5 mentioned in the embodiments are the positions of the rail frame 5 corresponding to the thigh, the shank, and the back of the person when the person lies on the massage chair.
Referring to fig. 1 to 5, a dual linkage mechanism for lifting and stretching legs of a massage chair according to the present embodiment includes a leg frame 2, a guide rail frame 5, a lifting member 3, and a telescopic rod 1 slidably disposed in the leg frame 2, the leg frame 2 is rotatably mounted on an end of the guide rail frame 5, the lifting member 3 is linked with the leg frame 2 to drive the leg frame 2 to lift or lower, a telescopic member 4 is disposed in the leg frame 2, the telescopic member 4 is linked with the lifting member 3, so that after the leg frame 2 is lifted by the lifting member 3, the telescopic rod 1 is in a state of extending out from the leg frame 2, and after the leg frame 2 is lowered by the lifting member 3, the telescopic rod 1 is retracted into the leg frame 2, in a process of using the dual linkage mechanism according to the present embodiment, only the dual linkage mechanism as a whole needs to be installed in the massage chair, so that when the massage chair is adjusted from an initial state to a lying state, the telescopic member 3 acts to gradually act with the lying state, and the lifting member 2 acts gradually as a spring, thereby avoiding the expansion of the telescopic rod 2, and achieving comfort of the telescopic mechanism when the massage chair is extended, the telescopic mechanism is used for a person.
As an improved specific embodiment, the lower leg frame 2 includes a housing 21, the telescopic part 4 includes a driving rod 22, the driving rod 22 and the telescopic rod 1 are slidably disposed in the housing 21 and are linked with each other, the driving rod 22 is linked with the lifting part 3, and is driven by the lifting part 3 to drive the telescopic rod 1 to slide, so that the telescopic rod 1 slides out of or retracts into the housing 21, and through the action of the driving rod 22, it can be linked with the lifting part 3, so that in the process of lifting the lower leg frame 2 by the lifting part 3, the telescopic rod 1 also extends outwards along with the lifting part, and the effect of mutual linking of extension of the telescopic rod 1 and lifting of the lower leg frame 2 is achieved.
As an improved specific embodiment, the driving rod 22 and the telescopic rod 1 are arranged side by side in the housing 21, a linkage wheel 23 is arranged at the middle of the housing 21 and on a position between the driving rod 22 and the telescopic rod 1, side walls of opposite sides of the driving rod 22 and the telescopic rod 1 are both abutted against the linkage wheel 23, so that the telescopic rod 1 and the driving rod 22 are linked with each other through the linkage wheel 23, the housing 21 can provide a sliding base for the driving rod 22 and the telescopic rod 1, and the linkage wheel 23 can realize the linkage between the driving rod 22 and the telescopic rod 1 in a contact manner, so that the driving rod 22 drives the telescopic rod 1 to slide, wherein the linkage wheel 23 in this embodiment is of a gear structure, a rack structure is also arranged between the corresponding telescopic rod 1 and the driving rod 22, and thus the telescopic rod 1 and the driving rod 22 can be linked effectively.
As an improved specific embodiment, the lifting component 3 includes a linkage sheet set 31, a turning frame 32 and a turning shaft 33, the linkage sheet set 31 is connected to the guide rail frame 5 and is further connected to the lower leg frame 2, so as to link the guide rail frame 5 and the lower leg frame 2, the turning shaft 33 is installed on the guide rail frame 5, the turning frame 32 is fixed on the external chair base, a chute 34 is arranged in the turning frame 32, the turning shaft 33 is slidably arranged in the chute 34, and the guide rail frame 5 can slide along the chute 34 and can be turned over to some extent through the arrangement of the linkage sheet set 31, the turning frame 32 and the turning shaft 33, so that the change from an initial state to a lying state is realized.
As an improved specific embodiment, a rotating wheel 35 is coaxially and rotatably sleeved on the turning shaft 33, the rotating wheel 35 is arranged in the sliding groove 34, and a wheel surface rolls on a groove wall of the sliding groove 34, and through the arrangement of the sliding groove 34 and the rotating wheel 35, on one hand, the rotating wheel 35 can roll to enable the guide rail frame 5 to better translate, and on the other hand, the rotating wheel 35 can also be used as a rotating shaft for turning the guide rail frame 5, so that the turning device has higher structural strength under the condition that a required action space is smaller.
As a modified embodiment, linkage piece group 31 includes lifting drive pole 311 and flexible drive pole 312 and lifting pole group 313, lifting pole group 313 is installed between the thigh of outside chair base and guide rail frame 5 to when the antedisplacement is emptyd to guide rail frame 5, upwards lift the thigh of guide rail frame 5, lift the one end of drive pole 311 and flexible drive pole 312 and articulate back and lifting pole group 313 linkage each other, the other end and the shank frame 2 of lifting drive pole 311 are articulated, and the other end and the flexible part 4 linkage of flexible drive pole 312, through the setting of lifting drive pole 311 and flexible drive pole 312, alright effectual and guide rail frame 5 linkage, and then realize promoting at the thrust cylinder that guide rail frame 5 carries out the translation upset and convert the in-process that the state of lying, just can effectually realize driving shank frame 2 lifts and telescopic link 1 stretches out or retracts.
As a modified specific embodiment, the lifting rod set 313 includes a supporting swing rod 3131, a linkage lower connection plate 3132, a driving lower connection plate 3133, and an electric cylinder 3134, the electric cylinder 3134 has an upper end connected to the back of the guide rail frame 5 and a lower end connected to the external chair base, the supporting swing rod 3131 has a lower end hinged to the external chair base and an upper end hinged to the guide rail frame 5, the driving lower connection plate 3133 has one end hinged to the supporting swing rod 3131 at a position below the guide rail frame 5 and the other end hinged to the lower end of the linkage lower connection plate 3132, the linkage lower connection plate 3132 has a middle part hinged to the guide rail frame 5 and an upper end hinged to the hinge between the lifting driving rod 311 and the telescopic driving rod 312, and when the lifting state is converted into the lying state from the initial state, the electric cylinder 3134 is firstly contracted to drive the back of the guide rail frame 5 to move downwards, at this time, since the rotation wheel 35 is located in the sliding groove 34, the sliding groove 34 is disposed in an inclined manner, and the thigh of the guide rail 5 is supported by the support swing link 3131 in an inclined state, so that the back of the guide rail 5 is turned downward, the rotation wheel 35 slides from the upper end of the sliding groove 34 to the lower end of the sliding groove 34, and the thigh of the guide rail 5 is lifted upward by the support swing link 3131 in the process of rotating forward from the inclined state to the vertical state, so as to achieve the effect of zero backrest and forward sliding, and since the linked lower connecting plate 3132 is driven by the guide rail 5 to move upward in an inclined manner, and the driven lower connecting plate 3133 is pushed by the support swing link 3131 to move forward in an inclined manner, so that the lower end of the linked lower connecting plate 3132 is pulled to rotate toward the support swing link 3131 by the action of the driven lower connecting plate 3133, and the upper end of the linked lower connecting plate 3132 is rotated toward the lower leg frame 3132, then, the lifting driving rod 311 is pushed to move towards the lower leg frame 2, so as to lift the lower leg frame 2, and in the process of pushing the lifting driving rod 311, although the telescopic driving rod 312 is pushed to move forwards, the pushing distance is far smaller than the forward moving distance of the end part when the lower leg frame 2 is lifted, so that the driving rod 22 can be pulled to move by pulling the telescopic driving rod 312, and when the lying state is converted into the initial state, the above action process is reset, so that the synchronous action of the lifting driving rod 311 and the telescopic driving rod 312 driven by the guide rail frame 5 can be simply and effectively realized.
As a modified specific embodiment, the driving lower connecting sheet 3133 includes a straight rod portion and a bent portion, an end of the straight rod portion is in arc transition with an end of the bent portion, the other end of the straight rod portion opposite to the bent portion is hinged to an end of the linkage lower connecting sheet 3132, the other end of the bent portion opposite to the straight rod portion is hinged to a position below the guide rail frame 5 of the support swing link 3131, and by using the driving lower connecting sheet 3133 with the above structure, a better effect of pushing the linkage lower connecting sheet 3132 horizontally can be achieved, and the arc transition between the bent portion and the straight rod portion is in a manner that it has a stronger compression resistance.
As an improved specific embodiment, the back and the thigh of the guide rail frame 5 are in arc transition, so that compared with the prior art in which a folding angle is adopted, the guide rail frame has a better supporting effect on a human body and further increases the comfort.
As a modified embodiment, a shaft rod 25 is fixed on the end of the shank 2, the end of the shaft rod 25 is provided with a hinge piece, the end of the driving rod 22 is hinged on the hinge piece, through the arrangement of the shaft rod 25, the hinge piece at the end can be effectively utilized to realize the hinge with the driving rod 22, so that the shank 2 is pushed to lift upwards and turn upwards through the forward movement of the driving rod 22.
In conclusion, the double-linkage mechanism of the embodiment can realize that the telescopic rod 1 can actively extend and retract in the process of lifting the crus frame 2 of the massage chair through the lifting component 3, the telescopic rod 1 and the telescopic component 4, so as to realize the effect of actively changing the length of the crus frame 2.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. The utility model provides a massage armchair shank lifts and flexible pair linkage, includes shank frame (2), guide rail frame (5), lifts parts (3) and telescopic link (1) of setting in shank frame (2) that can slide, shank frame (2) are rotatable to be installed on the tip of guide rail frame (5), lift parts (3) and shank frame (2) linkage, drive shank frame (2) lift or put down its characterized in that: the telescopic leg rack (2) is internally provided with a telescopic part (4), the telescopic part (4) is linked with the lifting part (3) so that the telescopic rod (1) is in a state of extending out of the leg rack (2) after the leg rack (2) is lifted by the lifting part (3), and the telescopic rod (1) is in a state of retracting into the leg rack (2) after the leg rack (2) is put down by the lifting part (3).
2. The massage chair shank lifting and stretching dual-linkage mechanism as recited in claim 1, wherein: calf frame (2) include shell (21), extensible part (4) include actuating lever (22), the setting that actuating lever (22) and telescopic link (1) all can slide is in shell (21), and the mutual linkage, actuating lever (22) and lifting member (3) linkage receive lifting member (3) drive and then drive telescopic link (1) and slide for telescopic link (1) slides out in following shell (21), or retract.
3. The massage chair shank lifting and stretching dual-linkage mechanism as claimed in claim 2, wherein: the utility model discloses a telescopic link, including casing (21), actuating lever (22), telescopic link (1), casing (21) and lateral wall, actuating lever (22) and telescopic link (1) are equipped with linkage wheel (23) in the middle part of casing (21) and for being equipped with linkage wheel (23) between actuating lever (22) and telescopic link (1) the lateral wall of one side relative all offsets with linkage wheel (23) to make through linkage wheel (23) and link each other between telescopic link (1) and actuating lever (22).
4. The massage chair shank lifting and stretching dual-linkage mechanism as recited in claim 1, wherein: lifting part (3) are including linkage piece group (31) and roll-over stand (32) and trip shaft (33), linkage piece group (31) are connected on guide rail frame (5), still are connected with shank frame (2) to with guide rail frame (5) and the linkage of shank frame (2), install on guide rail frame (5) trip shaft (33), roll-over stand (32) are fixed on outside chair base, be equipped with spout (34) in roll-over stand (32), the setting that can slide of trip shaft (33) is in spout (34).
5. The massage chair shank lifting and stretching dual-linkage mechanism as recited in claim 4, wherein: coaxial rotatable cover is equipped with swiveling wheel (35) on trip shaft (33), swiveling wheel (35) set up in spout (34) to the wheel face rolls on the cell wall of spout (34).
6. The massage armchair calf lifting and stretching dual linkage mechanism according to claim 4 or 5, characterized in that: linkage piece group (31) is including lifting drive pole (311) and flexible drive pole (312) and lifting pole group (313), lifting pole group (313) are installed between the thigh portion of outside chair base and guide rail frame (5) to when guide rail frame (5) are emptyd the antedisplacement, with the thigh portion of guide rail frame (5) lifting upwards, lift the one end of drive pole (311) and flexible drive pole (312) articulated each other back and the linkage of lifting pole group (313), the other end of lifting drive pole (311) is articulated with shank frame (2), the other end and the linkage of extensible member (4) of flexible drive pole (312).
7. The massage chair shank lifting and stretching dual-linkage mechanism as recited in claim 6, wherein: the lifting rod group (313) is including supporting pendulum rod (3131), linkage lower connecting piece (3132) and drive lower connecting piece (3133) and electronic jar (3134), the upper end of electronic jar (3134) is connected on the position at guide rail frame (5) back, and the lower extreme is connected on outside chair base, the lower extreme that supports pendulum rod (3131) articulates on outside chair base, and the upper end articulates on guide rail frame (5), the one end of drive lower connecting piece (3133) articulates on the position that supports pendulum rod (3131) and is in guide rail frame (5) below, and the other end is articulated with the lower extreme of linkage lower connecting piece (3132), the middle part of linkage lower connecting piece (3132) articulates on guide rail frame (5), and its upper end is articulated department between lift actuating lever (311) and flexible actuating lever (312) is articulated.
8. The massage chair shank lifting and stretching dual-linkage mechanism as recited in claim 7, wherein: the driving lower connecting sheet (3133) comprises a straight rod part and a bent part, the end part of the straight rod part is in arc transition with the end part of the bent part, the other end of the straight rod part, relative to the bent part, is hinged with the end part of the linkage lower connecting sheet (3132), and the other end of the bent part, relative to the straight rod part, is hinged with a position, below the guide rail frame (5), of the supporting swing rod (3131).
9. The massage chair calf lifting and stretching dual-linkage mechanism as claimed in claim 1, wherein: the back part and the thigh part of the guide rail bracket (5) are in arc transition.
10. The massage chair shank lifting and stretching dual-linkage mechanism as claimed in claim 2, wherein: a shaft lever (25) is fixed on the end part of the lower leg frame (2), a hinge piece is arranged on the end part of the shaft lever (25), and the end part of the driving rod (22) is hinged on the hinge piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211366615.7A CN115778743B (en) | 2022-11-01 | 2022-11-01 | Massage armchair shank lifts and flexible double linkage mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211366615.7A CN115778743B (en) | 2022-11-01 | 2022-11-01 | Massage armchair shank lifts and flexible double linkage mechanism |
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| Publication Number | Publication Date |
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| CN115778743A true CN115778743A (en) | 2023-03-14 |
| CN115778743B CN115778743B (en) | 2024-06-14 |
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| CN202211366615.7A Active CN115778743B (en) | 2022-11-01 | 2022-11-01 | Massage armchair shank lifts and flexible double linkage mechanism |
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| WO2022142729A1 (en) * | 2020-12-29 | 2022-07-07 | 恒林家居股份有限公司 | Massage chair |
| CN217430421U (en) * | 2022-02-09 | 2022-09-16 | 奥佳华智能健康科技集团股份有限公司 | Massage chair frame and massage chair |
| CN115137608A (en) * | 2022-08-09 | 2022-10-04 | 福建荣耀健康科技股份有限公司 | Double-movement massage chair frame and massage chair |
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| CN115778743B (en) | 2024-06-14 |
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