CN219847265U - Shank and flexible guide rail linkage mechanism - Google Patents
Shank and flexible guide rail linkage mechanism Download PDFInfo
- Publication number
- CN219847265U CN219847265U CN202321095789.4U CN202321095789U CN219847265U CN 219847265 U CN219847265 U CN 219847265U CN 202321095789 U CN202321095789 U CN 202321095789U CN 219847265 U CN219847265 U CN 219847265U
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- CN
- China
- Prior art keywords
- frame
- connecting rod
- shank
- backrest
- swinging member
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Links
- 230000007246 mechanism Effects 0.000 title abstract description 9
- 210000000078 claw Anatomy 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 3
- 244000309466 calf Species 0.000 description 8
- 230000010355 oscillation Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model provides a shank and flexible guide rail linkage mechanism which comprises a backrest frame, a shank frame and a base frame, wherein a connecting rod assembly is arranged between the backrest frame and the base frame and comprises a first connecting rod rotatably arranged on the base frame, a second connecting rod for connecting a lower bracket of the backrest frame and the first connecting rod and a third connecting rod rotatably connected with the first connecting rod, the third connecting rod is connected with a shank frame pushing assembly, the shank frame pushing assembly comprises a fixed seat, an inner swinging piece, an outer swinging piece and a connecting piece which are connected with an upper bracket of the backrest frame, the connecting piece is connected with a roller which is always in abutting fit with the back side of the shank frame, the third connecting rod is connected with the inner swinging piece in a linkage manner, the connecting rod assembly is high in supporting strength with the shank frame pushing assembly, and the cooperation of the connecting rod assembly and the shank frame pushing assembly enables the cost to be low, the safety to be more consistent with the safety to be high, the action wire to be smooth, and the structure to be simple and the reliability to be strong.
Description
Technical Field
The utility model relates to a calf and flexible guide rail linkage mechanism.
Background
The traditional massage chair frame generally comprises a backrest frame, a lower leg frame and a base frame, wherein the lower leg frame is used for configuring the lower leg massage device, the lower leg frame and the backrest frame are connected in a rotating way, the backrest frame and the base frame are connected in a rotating way, independent driving mechanisms are generally arranged between the lower leg frame and the backrest frame and between the backrest frame and the base frame, and the backrest frame and the base frame are respectively driven to rotate relatively through the two driving mechanisms and the lower leg frame and the backrest frame are driven to rotate relatively, so that the lower leg frame can tilt forwards simultaneously when the backrest frame tilts backwards, the overall posture adjustment of the massage chair is met, and the massage comfort can be improved.
The prior flexible guide rail massage chair adopts two electric push rod motors which are respectively used for driving the back of the chair to fall and the leg and foot machine to lift.
The patent CN202220939333.0 provides a backrest and shank linkage massage chair frame, wherein the backrest and shank linkage massage chair frame is of a combined structure of a pry bar and a pull rod, the pry bar is tilted, the pull rod driving the pry bar to act is a non-equivalent four-bar linkage formed by the pry bar and the backrest frame, but the defect is that the deflection angle is not large; the supporting strength and the safety are not enough.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a calf and flexible guide rail linkage mechanism.
In order to achieve the above object, the utility model provides a linkage mechanism of a calf and a flexible guide rail, which comprises a backrest frame, a calf frame and a base frame, wherein the calf frame is in rotary connection with the backrest frame and the base frame, the base frame is in contact with a lower bracket of the backrest frame through a driving electric cylinder and drives the backrest frame to swing, a connecting rod assembly is arranged between the backrest frame and the base frame, the connecting rod assembly comprises a first connecting rod which is rotatably arranged on the base frame, a second connecting rod which is connected with the lower bracket of the backrest frame and the first connecting rod, and a third connecting rod which is rotatably connected with the free end of the first connecting rod, the other end of the third connecting rod is connected with a calf frame pushing assembly which is used for driving the calf frame to swing, the calf frame pushing assembly comprises a fixed seat which is connected with the upper bracket of the backrest frame, an inner swinging member which is hinged on the inner side of the fixed seat, an outer swinging member which is hinged with the outer side of the fixed seat, a connecting member which is connected with the other end of the inner swinging member, the connecting member and the outer swinging member are respectively arranged at two ends of the fixed seat, the connecting member and the connecting member are respectively provided with two ends of the swinging member, the connecting member and the connecting rod are arranged at the opposite ends of the connecting rod, and the end of the connecting rod is always connected with the third connecting rod in a butt-abutting connection.
The beneficial effects of the utility model are as follows: the utility model relates to a swing type electric reclining chair, which is characterized in that a driving electric cylinder is in contact with a lower bracket of a backrest frame and drives the backrest frame to swing, a connecting rod assembly is in linkage through the swing of the backrest frame, in the lying process of the backrest frame, a second connecting rod is pulled by the backrest frame to displace and swing upwards on the lower bracket of the backrest frame, a first connecting rod drives an opposite base frame to rotate upwards through the upward rotation of the second connecting rod, meanwhile, a lower leg pushing assembly driven by the first connecting rod is pushed by the third connecting rod, the lower leg pushing assembly is converted into a unfolding state through the pushing of an inner swinging member by the third connecting rod, the inner swinging member is in rotary connection with the middle part of a connecting member, the outer swinging member is in rotary connection with one end of the connecting member, the other end of the connecting member is connected with a roller, in the unfolding process, the third connecting rod drives the inner swinging member to displace and the inner swinging member to swing upwards on the backrest frame, and the connecting member drives an outer swinging member to increase the included angle between the outer swinging member and the connecting member, and the lower leg pushing assembly is close to the upper leg of the backrest frame in a completely unfolded state, and the lower leg pushing angle of the lower leg is matched with the upper leg of the upper swing frame in a tilting state, and the upper leg of the reclining frame is driven by 180 degrees; the connecting rod assembly and the lower leg frame pushing assembly are high in supporting strength, the connecting rod assembly and the lower leg frame pushing assembly are matched and linked, so that the lower leg frame pushing assembly is low in cost, more accords with safety regulations, is high in safety, is smooth in action, is simple in structure and is high in reliability.
Further, the upper bracket of the backrest frame is provided with two supporting feet, the lower leg frame is provided with connecting arms corresponding to the two supporting feet, the connecting arms are rotationally connected with the supporting feet, and the connecting rod assembly is driven to drive the lower leg frame pushing assembly to push the lower leg frame to rotate upwards on the backrest frame.
Through adopting above-mentioned technical scheme, rotate through two stabilizer blades that the top support of back frame set up and two linking arms on the shank frame and be connected, can make link assembly's third connecting rod drive shank frame promote the subassembly and drive the shank frame and carry out the wobbling time shank frame and back frame linkage is compacter, and the wholeness is stronger, linking arm and stabilizer blade guarantee that shank frame and back frame can not separate when the pivoted and lead to using failure, excellent in use effect.
Further, the second connecting rod is arranged near the end part of the first connecting rod, which is rotationally connected with the third connecting rod.
Through adopting above-mentioned technical scheme, the second connecting rod is close to the tip setting that first connecting rod and third connecting rod rotated and are connected, can be farther from the junction of first connecting rod and base frame to make things convenient for the second connecting rod to drive the swing of first connecting rod better, it is more laborsaving, improve the rotation effect of first connecting rod.
Further, the junction of first connecting rod and base frame is provided with the first connecting seat that supplies first connecting rod pivoted, first connecting seat is provided with the spacing portion of the excessive downward hunting of restriction first connecting rod, spacing portion and base frame cooperation restriction first connecting rod's scope of oscillation, the below leg joint of second connecting rod and back frame is provided with the second connecting seat, the second connecting seat corresponds the second connecting rod and upwards swings and be provided with spacing portion, spacing portion and the below leg cooperation restriction second connecting rod's scope of oscillation of back frame.
Through adopting above-mentioned technical scheme, the spacing portion of first connecting seat is parallel with the base frame, first connecting rod rotates and sets up between spacing portion and the base frame of first connecting seat, ascending rotation range of first connecting rod is 90 degrees, the spacing portion of second connecting seat is parallel with the below support of back frame, the second connecting rod rotates and sets up between the spacing portion of second connecting seat and the below support of back frame, the rotation range of second connecting rod is 90 degrees, thereby can prevent through setting up of spacing portion that the atress of second connecting rod, first connecting rod from leading to the link assembly is unstable, prevents that the link assembly can't drive shank frame promotion subassembly.
Further, a claw is arranged between the output end of the driving electric cylinder and the lower support of the backrest frame, one end of the claw is in plug-in fit with the lower support of the backrest frame, and the other end of the claw is in rotary connection with the output end of the driving electric cylinder.
Through adopting above-mentioned technical scheme, jack catch and the below support grafting cooperation of back frame, the draw-in groove that sets up on the jack catch can with the below support joint of back frame, can dismantle with the below support of back frame and be connected, improves the suitability, the jack catch other end rotates with the drive electric jar output to be connected, can conveniently drive the swing of electric jar drive back frame.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present utility model;
fig. 2 is a schematic perspective view of a backrest frame according to an embodiment of the present utility model;
FIG. 3 is a schematic perspective view of a leg and link assembly according to an embodiment of the present utility model;
FIG. 4 is a schematic perspective view of a link assembly and a leg rest pushing assembly according to an embodiment of the present utility model;
FIG. 5 is a schematic perspective view of another perspective view of the link assembly and the lower leg pushing assembly according to the embodiment of the present utility model;
Detailed Description
Embodiments of the utility model are further described below with reference to the accompanying drawings: as shown in fig. 1-5, the lower leg and flexible guide rail linkage mechanism comprises a backrest frame 1, a lower leg frame 2 and a base frame 3, wherein the lower leg frame 2 and the backrest frame 1 and the base frame 3 are connected by rotation, the base frame 3 is in collision with a lower bracket 5 of the backrest frame 1 by a driving electric cylinder 4 and drives the backrest frame 1 to swing, a connecting rod assembly 6 is arranged between the backrest frame 1 and the base frame 3, the connecting rod assembly 6 comprises a first connecting rod 7 which is rotatably arranged on the base frame 3, a second connecting rod 8 which is connected with a lower bracket 5 of the backrest frame 1 and the first connecting rod 7, a third connecting rod 9 which is rotatably connected with the free end of the first connecting rod 7, the other end of the third connecting rod 9 is connected with a lower leg frame pushing assembly 10 which is used for driving the lower leg frame 2 to swing, the lower leg frame pushing assembly 10 comprises a fixed seat 11 which is connected with an upper bracket of the backrest frame 1, an inner swinging member 12 which is hinged on the inner side of the fixed seat 11, an inner swinging member 13 which is hinged on the outer side of the fixed seat 11, an inner swinging member 13 which is connected with the other end of the connecting rod 13, and two ends of the connecting rods 14 which are respectively connected with the inner swinging members 14 are arranged at the two ends of the inner side swinging members 13 and the connecting rod 12 which are in a way that the opposite to the end of the connecting rod 13 is rotatably connected with the inner swinging member 13.
The upper bracket of the backrest frame 1 is provided with two supporting legs 16, the lower leg frame 2 is provided with connecting arms 17 corresponding to the two supporting legs 16, the connecting arms 17 are rotationally connected with the supporting legs 16, and the connecting rod assembly 6 is driven to drive the lower leg frame pushing assembly 10 to push the lower leg frame 2 to rotate upwards on the backrest frame.
The second connecting rod 8 is arranged near the end of the first connecting rod 7, which is rotationally connected with the third connecting rod 9.
The junction of first connecting rod 7 and base frame 3 is provided with the first connecting seat 18 that supplies first connecting rod 7 pivoted, first connecting seat 18 is provided with the spacing portion 19 of the excessive downward hunting of restriction first connecting rod 7, spacing portion 19 cooperates restriction first connecting rod 7's range of oscillation with base frame 3, the below support 5 junction of second connecting rod 8 and back frame 1 is provided with second connecting seat 20, second connecting seat 20 corresponds second connecting rod 8 upward hunting and is provided with spacing portion 19, spacing portion 19 cooperates restriction second connecting rod 8's range of oscillation with back frame 1's below support 5.
A claw 21 is arranged between the output end of the driving electric cylinder 4 and the lower bracket 5 of the backrest frame 1, one end of the claw 21 is in plug-in fit with the lower bracket 5 of the backrest frame 1, and the other end of the claw 21 is rotationally connected with the output end of the driving electric cylinder 4.
The above embodiment is only one of the preferred embodiments of the present utility model, and common changes and substitutions made by those skilled in the art within the scope of the technical solution of the present utility model are included in the scope of the present utility model.
Claims (5)
1. The utility model provides a shank and flexible guide rail linkage, includes back frame, shank frame, base frame, all adopts the rotation to connect between shank frame and the back frame and between back frame and the base frame, its characterized in that: the utility model provides a lower part support of back frame is passed through to the base frame and is contradicted and drive the swing of back frame through driving the below support of jar and back frame, be provided with link assembly between back frame and the base frame, link assembly is including rotating the first connecting rod that sets up on the base frame, the below support of connection back frame and the second connecting rod of first connecting rod, the third connecting rod of being connected with first connecting rod free end rotation, the other end of third connecting rod is connected with the shank frame that is used for driving the shank frame and carries out wobbling and promote the subassembly, shank frame promotes the subassembly including connecting the fixing base at back frame upper portion support, articulated inboard swinging member in the fixing base, articulated outside swinging member in the fixing base outside, the connecting piece of connecting inboard swinging member and outside swinging member other end, connecting piece and fixing base set up respectively at the both ends of inboard swinging member and outside swinging member, the connecting piece is connected and is provided with the gyro wheel with the shank frame back side butt complex all the time, the tip and inboard swinging member are connected relatively at first connecting rod.
2. A calf-to-flexible rail linkage according to claim 1, wherein: the upper bracket of the backrest frame is provided with two supporting feet, the shank frame is provided with connecting arms corresponding to the two supporting feet, the connecting arms are rotationally connected with the supporting feet, and the connecting rod assembly is driven to drive the shank frame pushing assembly to push the shank frame to rotate upwards on the backrest frame.
3. A calf-to-flexible rail linkage according to claim 2, wherein: the second connecting rod is arranged close to the end part of the first connecting rod, which is rotationally connected with the third connecting rod.
4. A calf-to-flexible rail linkage according to claim 2 or 3, wherein: the utility model discloses a seat structure, including base frame, first connecting rod, second connecting rod, back frame, first connecting rod and base frame's junction is provided with the first connecting seat that supplies first connecting rod pivoted, first connecting seat is provided with the spacing portion of the excessive downward swing of restriction first connecting rod, the swing scope of spacing portion and base frame cooperation restriction first connecting rod, the below leg joint department of second connecting rod and back frame is provided with the second connecting seat, the second connecting seat corresponds the second connecting rod upward swing and is provided with spacing portion, the swing scope of second connecting rod is restricted with the below leg joint of back frame to spacing portion.
5. A calf-to-flexible rail linkage according to claim 2, wherein: a claw is arranged between the output end of the driving electric cylinder and the lower support of the backrest frame, one end of the claw is in plug-in connection with the lower support of the backrest frame, and the other end of the claw is in rotary connection with the output end of the driving electric cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321095789.4U CN219847265U (en) | 2023-05-08 | 2023-05-08 | Shank and flexible guide rail linkage mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321095789.4U CN219847265U (en) | 2023-05-08 | 2023-05-08 | Shank and flexible guide rail linkage mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219847265U true CN219847265U (en) | 2023-10-20 |
Family
ID=88317612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321095789.4U Active CN219847265U (en) | 2023-05-08 | 2023-05-08 | Shank and flexible guide rail linkage mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219847265U (en) |
-
2023
- 2023-05-08 CN CN202321095789.4U patent/CN219847265U/en active Active
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| GR01 | Patent grant |