CN113893126A - Massage chair frame with foldable shank frame - Google Patents
Massage chair frame with foldable shank frame Download PDFInfo
- Publication number
- CN113893126A CN113893126A CN202111392067.0A CN202111392067A CN113893126A CN 113893126 A CN113893126 A CN 113893126A CN 202111392067 A CN202111392067 A CN 202111392067A CN 113893126 A CN113893126 A CN 113893126A
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- China
- Prior art keywords
- frame
- connecting rod
- kinematic pair
- link
- movably connected
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus ; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/001—Apparatus for applying movements to the whole body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/01—Constructive details
- A61H2201/0119—Support for the device
- A61H2201/0138—Support for the device incorporated in furniture
- A61H2201/0149—Seat or chair
Abstract
The invention provides a massage chair frame with a storable shank frame, which comprises a base frame, a backrest seat frame, a rear connecting rod frame and a front connecting rod frame, the motion pair subassembly, the linkage shank frame, and the actuating cylinder, the upper and lower both ends of the first back connecting rod of back connecting rod frame respectively with back connecting rod frame connecting portion and base frame swing joint, the upper and lower both ends of the first preceding connecting rod of preceding connecting rod frame respectively with preceding connecting rod frame connecting portion and base frame swing joint, the both ends of actuating cylinder respectively with the middle part swing joint of base frame and first back connecting rod, the both ends of the first motion pair connecting rod respectively with the middle part of first preceding connecting rod and the lower extreme swing joint of the vice connecting rod of fourth motion, the both ends of the second motion pair connecting rod respectively with the middle part swing joint of motion pair subassembly connecting portion and the vice connecting rod of fourth motion, the both ends of the vice connecting rod of third motion respectively with the one end of shank connecting plate and the upper end swing joint of the vice connecting rod of fourth motion. The massage armchair frame has the advantages of simple structure, light weight and low cost.
Description
Technical Field
The invention relates to the technical field of massage chairs, in particular to a massage chair frame with a storable shank frame.
Background
In order to realize the multifunction of the massage chair, the prior massage chair generally realizes the functions of front sliding, backrest lying, crus collection and lifting of the massage chair by a plurality of electric cylinders or other power parts and sliding chutes. The existing structural design adopting multiple electric cylinders and sliding grooves enables the structure of the whole chair frame to be complex, the whole quality of the chair frame to be overweight and the manufacturing cost to be increased.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides a massage armchair frame which has a simple structure, a low cost and a light weight and can store a lower leg frame.
In order to achieve the above purpose, the invention provides a massage armchair frame with a storable shank frame, comprising a base frame, a backrest seat frame, a rear connecting rod frame, a front connecting rod frame, a kinematic pair component, a linkage shank frame and a driving cylinder, wherein the backrest seat frame is provided with a rear connecting rod frame connecting part, a front connecting rod frame connecting part and a kinematic pair component connecting part, the rear connecting rod frame comprises a first rear connecting rod, the upper end and the lower end of the first rear connecting rod are respectively movably connected with the rear connecting rod frame connecting part and the base frame, the front connecting rod frame comprises a first front connecting rod, the upper end and the lower end of the first front connecting rod are respectively movably connected with the front connecting rod frame connecting part and the base frame, the two ends of the driving cylinder are respectively movably connected with the middle parts of the base frame and the first rear connecting rod, the kinematic pair component comprises a first kinematic pair connecting rod, a second kinematic pair connecting rod, a third kinematic pair connecting rod and a fourth kinematic pair connecting rod, the two ends of the first kinematic pair connecting rod are respectively and movably connected with the middle part of the first front connecting rod and the lower end of the fourth kinematic pair connecting rod, the two ends of the second kinematic pair connecting rod are respectively and movably connected with the kinematic pair component connecting part and the middle part of the fourth kinematic pair connecting rod, the two ends of the third kinematic pair connecting rod are respectively and movably connected with one end of a shank connecting plate on the linkage shank frame and the upper end of the fourth kinematic pair connecting rod, and the other end of the shank connecting plate on the linkage shank frame is movably connected with the end part of the backrest seat frame.
Further, the back connecting rod frame includes two first back connecting rods, the lower extreme of two first back connecting rods all with base frame swing joint, the upper end of two first back connecting rods respectively with two back connecting rod frame connecting portion swing joint, two back connecting rod frame connecting portions are located the left and right sides limit of back seat frame respectively, just back connecting rod frame still includes second back connecting rod, the both ends of connecting rod are connected with the middle part of two first back connecting rods respectively behind the second, the tip of driving cylinder is connected with the middle part of connecting rod behind the second.
Further, the front connecting rod frame comprises two first front connecting rods, two lower ends of the first front connecting rods are movably connected with the base frame, the upper ends of the first front connecting rods are movably connected with the front connecting rod frame connecting parts, the two front connecting rod frame connecting parts are respectively located on the left side and the right side of the backrest seat frame, the front connecting rod frame further comprises a second front connecting rod, and two ends of the second front connecting rod are respectively connected with the middle parts of the two first front connecting rods.
Furthermore, the number of the kinematic pair assemblies is two, the first kinematic pair connecting rods of the two kinematic pair assemblies are respectively connected with the two first front connecting rods, the second kinematic pair connecting rods of the two kinematic pair assemblies are respectively connected with the two kinematic pair assembly connecting parts, the two kinematic pair assembly connecting parts are respectively positioned on the left side edge and the right side edge of the backrest seat frame, the third kinematic pair connecting rods of the two kinematic pair assemblies are respectively connected with the two shank connecting plates on the linkage shank frame, and the two shank connecting plates are respectively positioned on the left side edge and the right side edge of the linkage shank frame.
Further, the driving cylinder is an electric cylinder.
Furthermore, the shank connecting plate is movably connected with the end part of the backrest seat frame through a fixed shaft.
Further, the front connecting rod rest connecting part is located above the kinematic pair component connecting part, and the front connecting rod rest connecting part and the kinematic pair component connecting part are located between the rear connecting rod rest connecting part and the fixed shaft in the front-rear direction.
Further, the shank connecting plate is hinged with a supporting plate on the end part of the backrest seat frame through a fixing shaft.
Furthermore, the middle part of the first front connecting rod is connected with one end of an extension spring, and the other end of the extension spring is connected with the middle part of the first kinematic pair connecting rod.
Further, the welding has the welding piece on the first preceding connecting rod, extension spring's one end is connected with the welding piece.
As mentioned above, the massage armchair frame with the foldable shank frame has the following beneficial effects:
when the driving cylinder extends, thrust is applied to the backrest seat frame through the first rear connecting rod, the backrest seat frame is pushed to move backwards relative to the base frame, the backrest seat frame drives the upper end of the first front connecting rod, the second kinematic pair connecting rod and the linkage lower leg frame to move backwards, meanwhile, the second kinematic pair connecting rod drives the third kinematic pair connecting rod to move backwards through the fourth kinematic pair connecting rod, the third kinematic pair connecting rod drives the linkage lower leg frame to rotate backwards relative to the backrest seat frame through the lower leg connecting plate, the linkage lower leg frame is close to the lower end of the backrest seat frame, the linkage lower leg frame is collected, and in the process that the backrest seat frame moves backwards, the linkage lower leg frame is changed from a flat state to a vertical state, so that the whole occupied space of the massage chair frame is small; when the driving cylinder is contracted, a pulling force is applied to the backrest seat frame through the first rear connecting rod, the backrest seat frame is pulled to move forwards relative to the base frame, in the process, the backrest seat frame is changed from a vertical state to a lying state, meanwhile, the backrest seat frame drives the upper end of the first front connecting rod and the second kinematic pair connecting rod to move forwards, the second kinematic pair connecting rod drives the third kinematic pair connecting rod to move forwards through the fourth kinematic pair connecting rod, and the third kinematic pair connecting rod pushes the linkage shank frame to rotate forwards and upwards relative to the backrest seat frame through the shank connecting plate and is in an unfolded state. The massage chair frame adopts the structural design, realizes the functions of forward sliding and descending of the backrest seat frame, collection and lifting of the linkage lower leg frame and the like, has simple integral structure, lightens the weight of the integral chair frame and reduces the cost.
Drawings
Fig. 1 is a perspective view of a massage chair frame in which a lower leg frame can be stored in the embodiment of the invention.
Fig. 2 is a schematic structural view of a massage chair frame with a foldable lower leg frame in the embodiment of the invention.
Fig. 3 is a schematic structural view of the massage armchair frame with the backrest seat frame and the linkage crus frame removed, wherein the crus frame can be stored in the embodiment of the invention.
Fig. 4 is a schematic structural view of a backrest mount according to an embodiment of the present invention.
Description of the element reference numerals
10 base frame 402 second front link
20 back rest mount 404 extension spring
201 rear connecting rod rest connecting nut 50 kinematic pair assembly
202 front connecting rod frame connecting nut 501 first kinematic pair connecting rod
203 kinematic pair assembly coupling nut 502 second kinematic pair link
204 fixed axis 503 third kinematic pair link
205 support plate 504 fourth kinematic pair link
30 rear connecting rod rack 60 linkage lower leg rack
301 first rear link 601 shank attachment plate
302 second rear link 70 drive cylinder
40 electric cylinder of front connecting rod rack 701
401 first front connecting rod
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 of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function 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 convenience of description only, 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 unless otherwise specified.
As shown in fig. 1 to 4, the present embodiment provides a massage armchair frame with a storable lower leg frame, comprising a base frame 10, a backrest seat frame 20, a rear link frame 30, a front link frame 40, a kinematic pair assembly 50, a linkage lower leg frame 60, and a driving cylinder 70, wherein the backrest seat frame 20 is provided with a rear link frame connecting part, a front link frame connecting part, and a kinematic pair assembly connecting part, the rear link frame 30 comprises a first rear link 301, the upper and lower ends of the first rear link 301 are movably connected with the rear link frame connecting part and the base frame 10, respectively, the front link frame 40 comprises a first front link 401, the upper and lower ends of the first front link 401 are movably connected with the front link frame connecting part and the base frame 10, the two ends of the driving cylinder 70 are movably connected with the middle parts of the base frame 10 and the first rear link 301, the kinematic pair assembly 50 comprises a first kinematic pair link 501, a second kinematic pair link 502, a third kinematic pair 503, and a fourth kinematic pair link 504, two ends of the first kinematic pair connecting rod 501 are movably connected with the middle part of the first front connecting rod 401 and the lower end of the fourth kinematic pair connecting rod 504 respectively, two ends of the second kinematic pair connecting rod 502 are movably connected with the kinematic pair component connecting part and the middle part of the fourth kinematic pair connecting rod 504 respectively, two ends of the third kinematic pair connecting rod 503 are movably connected with one end of the shank connecting plate 601 on the linkage shank bracket 60 and the upper end of the fourth kinematic pair connecting rod 504 respectively, and the other end of the shank connecting plate 601 on the linkage shank bracket 60 is movably connected with the end part of the backrest seat frame 20. When the driving cylinder 70 extends, a pushing force is applied to the backrest seat frame 20 through the first rear connecting rod 301, and the backrest seat frame 20 is pushed to move backwards relative to the base frame 10, the backrest seat frame 20 drives the upper end of the first front connecting rod 401, the second kinematic pair connecting rod 502 and the linkage calf support 60 to move backwards, meanwhile, the second kinematic pair connecting rod 502 drives the third kinematic pair connecting rod 503 to move backwards through the fourth kinematic pair connecting rod 504, the third kinematic pair connecting rod 503 drives the linkage calf support 60 to rotate backwards and downwards relative to the backrest seat frame 20 through the calf connecting plate 601, the linkage calf support 60 is close to the lower end of the backrest seat frame 20, the linkage calf support 60 is stored, and in the process that the backrest seat frame 20 moves backwards, the horizontal state is changed into the vertical state, so that the whole massage chair frame occupies a small space; when the driving cylinder 70 is contracted, a pulling force is applied to the backrest seat frame 20 through the first rear connecting rod 301, and the backrest seat frame 20 is pulled to move forward relative to the base frame 10, in this process, the backrest seat frame 20 changes from the upright state to the lying state, meanwhile, the backrest seat frame 20 drives the upper end of the first front connecting rod 401 and the second kinematic pair connecting rod 502 to move forward, the second kinematic pair connecting rod 502 drives the third kinematic pair connecting rod 503 to move forward through the fourth kinematic pair connecting rod 504, and the third kinematic pair connecting rod 503 pushes the linkage crus frame 60 to rotate forward and upward relative to the backrest seat frame 20 through the crus connecting plate 601 and to be in an unfolded state. The massage chair frame adopts the structural design, realizes the functions of forward sliding and descending of the backrest seat frame 20, collection and lifting of the linkage lower leg frame 60 and the like, has simple integral structure, lightens the weight of the integral chair frame and reduces the cost.
In this embodiment, the driving cylinder 70 is specifically an electric cylinder 701, so as to facilitate use and maintenance.
As shown in fig. 1 and 4, the lower leg link plate 601 is hinged to the support plate 205 on the end of the back seat frame 20 by the fixed shaft 204. The front linkage connecting portion is located above the kinematic pair component connecting portion, and both the front linkage connecting portion and the kinematic pair component connecting portion are located between the rear linkage connecting portion and the fixed shaft 204 in the front-rear direction.
As shown in fig. 2 and 3, the middle portion of the first front link 401 is connected to one end of an extension spring 404, and the other end of the extension spring 404 is connected to the middle portion of the first kinematic pair link 501. The welding has the welding piece on the first front connecting rod 401, and extension spring 404's one end is connected with the welding piece. In the embodiment, the extension spring 404 is adopted to form a flexible connection between the linkage lower leg bracket 60 and the front link bracket 40, so that when an emergency occurs, mechanical damage can be avoided, and the safety is improved.
As shown in fig. 3 and 4, the rear link frame 30 in this embodiment includes two first rear links 301, lower ends of the two first rear links 301 are movably connected to the base frame 10, upper ends of the two first rear links 301 are movably connected to two rear link frame connecting portions respectively, the two rear link frame connecting portions are located on left and right sides of the backrest seat frame 20 respectively, the rear link frame 30 further includes a second rear link 302, two ends of the second rear link 302 are connected to middle portions of the two first rear links 301 respectively, and an end portion of the driving cylinder 70 is connected to a lug on the middle portion of the second rear link 302. Meanwhile, the front connecting rod frame 40 comprises two first front connecting rods 401, the lower ends of the two first front connecting rods 401 are movably connected with the base frame 10, the upper ends of the two first front connecting rods 401 are movably connected with the two front connecting rod frame connecting parts respectively, the two front connecting rod frame connecting parts are respectively positioned on the left side and the right side of the backrest seat frame 20, the front connecting rod frame 40 further comprises a second front connecting rod 402, and the two ends of the second front connecting rod 402 are respectively connected with the middle parts of the two first front connecting rods 401. The kinematic pair assemblies 50 are provided with two sets, the first kinematic pair connecting rods 501 of the two sets of kinematic pair assemblies 50 are respectively connected with the two first front connecting rods 401, the second kinematic pair connecting rods 502 of the two sets of kinematic pair assemblies 50 are respectively connected with the two kinematic pair assembly connecting parts which are respectively positioned at the left side and the right side of the backrest seat frame 20, the third kinematic pair connecting rods 503 of the two sets of kinematic pair assemblies 50 are respectively connected with the two shank connecting plates 601 on the linkage shank bracket 60, and the two shank connecting plates 601 are respectively positioned at the left side and the right side of the linkage shank bracket 60. The structural design makes the whole backrest seat frame 20 bear balanced force from left to right. When the stroke of the electric cylinder 701 is in the maximum state, the backrest seat frame 20 and the linkage lower leg bracket 60 are in the most original state, and when the electric cylinder 701 receives a signal to start walking, the rear link frame 30 starts to move forward, so that the backrest seat frame 20 moves forward, and when the backrest seat frame 20 moves forward, the front link frame 40 also moves forward, so that the kinematic pair assembly 50 is driven to move. Since the link calf support 60 has a rotation point with the back seat frame 20 and the link calf support 60 is connected with the third kinematic pair link 503 of the kinematic pair assembly 50, the link calf support 60 can be pushed to be stored and lifted since the kinematic pair assembly 50 moves forward.
In this embodiment, the base frame 10, the backrest seat frame 20, the rear link frame 30, the front link frame 40, the kinematic pair assembly 50, the linkage lower leg frame 60, the electric cylinder 701, and the like constitute a simple iron frame mechanism body of the massage chair. Specifically, the base frame 10 is formed by welding pipes and is the other supporting body of the whole massage chair. The backrest seat frame 20 is formed by welding a guide rail and a pipe, and a rear connecting rod frame connecting nut 201 is arranged on the rear connecting rod frame connecting part, a front connecting rod frame connecting nut 202 is arranged on the front connecting rod frame connecting part, and a kinematic pair component connecting nut 203 is arranged on the kinematic pair component connecting part. Two first rear connecting rods 301 and two second rear connecting rods 302 of the rear connecting rod frame 30 are made of pipes, and the first rear connecting rods 301 and the second rear connecting rods 302 are welded. Two first front connecting rods 401 and two second front connecting rods 402 of the front connecting rod frame 40 are both made of pipes, and the first front connecting rods 401 and the second front connecting rods 402 are welded. The electric cylinder 701 is connected to the rear link frame 30 and the base frame 10 by bolts. The back frame 20 is also bolted to the rear and front linkages 30 and 40. The kinematic pair 50 is connected to the front link 40 by rivets and to the back seat frame 20 by bolts. The linked calf support 60 is positioned with the fixed axle 204 on the back mount 20 and connected to the third kinematic pair link 503 of the kinematic pair assembly 50. The four links of the kinematic pair 50 are riveted, with the aim of reducing the space outside the hob. In summary, each connection point is connected in a pin mode, so that each point is an active point. The mode simplifies the mechanism mode of the massage armchair frame, saves the structural space of the massage armchair frame and can reduce the width of the whole machine.
In this embodiment, the rear link frame 30 and the front link frame 40 are driven by the movement of the electric cylinder 701 and the backrest seat frame 20 to slide the backrest seat frame 20 forward and simultaneously realize the backrest seat frame 20 to lie down, the thrust of the electric cylinder 701 is correspondingly reduced due to the structural optimization of the backrest seat frame 20 and the action of the connecting rods, while the front link frame 40 moves forward, when the stroke of the electric cylinder 701 is at the minimum position, the front link frame 40 and the base frame 10 are in a vertical state or a state less than 90 degrees, so that the stress state of the front link frame 40 is optimal, if the stress state is greater than 90 degrees, the front link frame 40 can be stressed by backward and downward forces, the strength and rigidity of the front link frame 40 are reduced, the structural strength of the front link frame 40 needs to be enhanced, and the strength of the iron frame and the whole massage chair is increased.
In the massage chair frame in the embodiment, the light and simple movement mechanism is adopted, one electric cylinder 701 can realize the functions of forward sliding of the backrest seat frame 20, descending and lying of the backrest seat frame 20, collection and lifting of the linkage lower leg frame 60, the mechanisms of the backrest seat frame 20 and the base frame 10 are simplified under the condition that all functions and strength are ensured, the front and rear connecting rod frame structures are simplified, and the whole weight of the chair frame is reduced. The electric cylinder 701 drives the connecting rod mechanism to move, the multi-connecting rod mechanism drives the backrest seat frame 20 to slide forwards and descend, the multi-connecting rod drives the kinematic pair to push the linkage lower leg frame 60 to store and lift, the mechanism simplifies the design on the original massage chair mechanism, reduces the electric cylinder 701, the sliding groove mechanism and the like, reduces the mechanical cost, the electronic cost and the software cost, and optimizes the quality of the whole machine. In addition, the connection mode of the electric cylinder 701 and the rear link frame 30 reduces the thrust of the electric cylinder 701, and increases the rigidity and stability of the backrest seat frame 20 by using a structural mode such as a link mechanism.
In conclusion, the present invention effectively overcomes various disadvantages of 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 (10)
1. A massage armchair frame with a storable shank frame is characterized by comprising a base frame (10), a backrest seat frame (20), a rear connecting rod frame (30), a front connecting rod frame (40), a kinematic pair component (50), a linkage shank frame (60) and a driving cylinder (70), wherein the backrest seat frame (20) is provided with a rear connecting rod frame connecting part, a front connecting rod frame connecting part and a kinematic pair component connecting part, the rear connecting rod frame (30) comprises a first rear connecting rod (301), the upper end and the lower end of the first rear connecting rod (301) are respectively movably connected with the rear connecting rod frame connecting part and the base frame (10), the front connecting rod frame (40) comprises a first front connecting rod (401), the upper end and the lower end of the first front connecting rod (401) are respectively movably connected with the front connecting rod frame connecting part and the base frame (10), the two ends of the driving cylinder (70) are respectively movably connected with the middle parts of the base frame (10) and the first rear connecting rod (301), the kinematic pair assembly (50) comprises a first kinematic pair connecting rod (501), a second kinematic pair connecting rod (502), a third kinematic pair connecting rod (503) and a fourth kinematic pair connecting rod (504), two ends of the first kinematic pair connecting rod (501) are movably connected with the middle of the first front connecting rod (401) and the lower end of the fourth kinematic pair connecting rod (504) respectively, two ends of the second kinematic pair connecting rod (502) are movably connected with a kinematic pair assembly connecting part and the middle of the fourth kinematic pair connecting rod (504) respectively, two ends of the third kinematic pair connecting rod (503) are movably connected with one end of a shank connecting plate (601) on the linkage shank rack (60) and the upper end of the fourth kinematic pair connecting rod (504) respectively, and the other end of the shank connecting plate (601) on the linkage shank rack (60) is movably connected with the end of the backrest seat frame (20).
2. The chair frame of massage chair for collecting crus rest according to claim 1, wherein the rear link frame (30) comprises two first rear links (301), the lower ends of the two first rear links (301) are movably connected to the base frame (10), the upper ends of the two first rear links (301) are respectively movably connected to the two rear link frame connecting portions, the two rear link frame connecting portions are respectively located at the left and right sides of the backrest seat frame (20), the rear link frame (30) further comprises a second rear link (302), the two ends of the second rear link (302) are respectively connected to the middle portions of the two first rear links (301), and the end portion of the driving cylinder (70) is connected to the middle portion of the second rear link (302).
3. The foldable crus frame of a massage chair according to claim 1, wherein the front link frame (40) comprises two first front links (401), the lower ends of the two first front links (401) are movably connected to the base frame (10), the upper ends of the two first front links (401) are movably connected to the two front link frame connecting portions, respectively, the two front link frame connecting portions are located at the left and right sides of the backrest seat frame (20), and the front link frame (40) further comprises a second front link (402), and the two ends of the second front link (402) are connected to the middle portions of the two first front links (401), respectively.
4. The frame of a massage chair capable of storing a crus frame according to claim 3, wherein there are two sets of kinematic pair assemblies (50), the first kinematic pair connecting rods (501) of the two sets of kinematic pair assemblies (50) are respectively connected with the two first front connecting rods (401), the second kinematic pair connecting rods (502) of the two sets of kinematic pair assemblies (50) are respectively connected with the two kinematic pair assembly connecting parts, the two kinematic pair assembly connecting parts are respectively positioned at the left and right sides of the backrest seat frame (20), the third kinematic pair connecting rods (503) of the two sets of kinematic pair assemblies (50) are respectively connected with the two crus connecting plates (601) on the linkage crus frame (60), and the two crus connecting plates (601) are respectively positioned at the left and right sides of the linkage crus frame (60).
5. The frame of a massage chair capable of storing a crus fray according to claim 1, wherein the driving cylinder (70) is an electric cylinder (701).
6. The frame of a massage chair capable of storing leg rest as claimed in claim 1, wherein the leg connecting plate (601) is movably connected with the end of the backrest seat frame (20) by a fixed shaft (204).
7. The chair frame of claim 6, wherein the front linkage link is located above the kinematic pair assembly link, and the front linkage link and the kinematic pair assembly link are located between the rear linkage link and the stationary shaft (204) in the front-to-rear direction.
8. The frame of a massage armchair with a stowable calf support according to claim 6, characterised in that the calf connecting plate (601) is hinged by means of a fixed shaft (204) to a support plate (205) on the end of the backrest frame (20).
9. The frame of a massage chair for collecting a calf frame according to claim 1, wherein the middle part of the first front link (401) is connected with one end of an extension spring (404), and the other end of the extension spring (404) is connected with the middle part of the first kinematic pair link (501).
10. The frame of a massage chair for collecting a calf frame according to claim 9, wherein a welding piece is welded to the first front link (401), and one end of the tension spring (404) is connected to the welding piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111392067.0A CN113893126A (en) | 2021-11-19 | 2021-11-19 | Massage chair frame with foldable shank frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111392067.0A CN113893126A (en) | 2021-11-19 | 2021-11-19 | Massage chair frame with foldable shank frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113893126A true CN113893126A (en) | 2022-01-07 |
Family
ID=79195024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111392067.0A Pending CN113893126A (en) | 2021-11-19 | 2021-11-19 | Massage chair frame with foldable shank frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113893126A (en) |
-
2021
- 2021-11-19 CN CN202111392067.0A patent/CN113893126A/en active Pending
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