CN215502079U - Seat surface inclination angle adjusting structure and leisure chair - Google Patents
Seat surface inclination angle adjusting structure and leisure chair Download PDFInfo
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- CN215502079U CN215502079U CN202121317543.8U CN202121317543U CN215502079U CN 215502079 U CN215502079 U CN 215502079U CN 202121317543 U CN202121317543 U CN 202121317543U CN 215502079 U CN215502079 U CN 215502079U
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Abstract
The utility model discloses a seat surface inclination angle adjusting structure, comprising: seat frame subassembly, drive division, stabilizer blade, pedal subassembly, a plurality of seat frame connecting rod and a plurality of pedal connecting rod. When a user needs to adjust the seat to a lying posture mode, the user operates the driving part, the first connecting rod mechanism acts, the seat frame assembly with the seat panel is close to the support legs to rotate and incline, and the pedal plate can be rotated and opened, so that the user can place the whole leg horizontally; when a user needs to adjust the seat to a sitting posture mode, the user operates the driving part to reversely act, so that the end, close to the leg, of the seat panel is lifted relative to the ground, the ground space of the end, close to the leg, of the seat panel is larger, the pedal plate is not scratched to the ground or support legs in the folding and storing process, and the safety performance of a product is enhanced; the relative angle between the seat frame assembly and the support legs is adjusted through the second inclination angle driving structure, so that the seat frame assembly is driven by the seat panel to be adjusted to a smoother angle, and a user can sit and stand conveniently.
Description
Technical Field
The utility model relates to a seat surface inclination angle adjusting structure.
Background
Present leisure, dual-purpose seat of official working generally all has folding foot rest, when the user need adjust to the appearance mode of lying, stretch out the expansion with the foot rest, so that the user can put the shank on the foot rest, when the user needs to adjust the position of sitting mode, it is underneath the seat face to fold accomodating at the foot rest, but because the foot rest is folding in the space below the seat face through rotating, the foot rest of current seat is at the rotation folding in-process, often the condition of foot rest scratch ground or chair foot can appear, can produce the safety problem when serious, bring inconvenience for the user.
SUMMERY OF THE UTILITY MODEL
According to an aspect of the present invention, in order to overcome the above-mentioned drawbacks of the prior art, there is provided a seat cushion tilt angle adjustment structure including: the seat frame assembly comprises a seat frame assembly, a driving part, support legs, a pedal assembly, a second inclination angle driving structure, a plurality of seat frame connecting rods and a plurality of pedal connecting rods; the seat frame assembly, the driving part, the support legs and the seat frame connecting rods jointly form a first connecting rod mechanism, in the first connecting rod mechanism, the support legs are arranged as fixed components, the driving part is arranged as a driving part, the seat frame connecting rods are arranged as driven parts, and the degree of freedom of the first connecting rod mechanism is equal to 1, so that when the driving part drives the first connecting rod mechanism to act, the seat frame assembly inclines relative to the rotation angle of the support legs; the seat frame connecting rod, the pedal assembly and the pedal connecting rods jointly form a second connecting rod mechanism, in the second connecting rod mechanism, one pedal connecting rod is arranged as a fixed component, the seat frame connecting rod is arranged as a driving part, the rest pedal connecting rods are arranged as driven parts, the degree of freedom of the second connecting rod mechanism is equal to 1, the seat frame connecting rod drives the pedal assembly to rotate close to the supporting leg at the end part, close to the supporting leg, of the seat frame assembly; the second tilt angle driving structure is disposed between the seat frame assembly and the support leg to enable adjustment of a relative angle between the seat frame assembly and the support leg by the second tilt angle driving structure.
Thus, when assembled, a seat panel (either a hard panel or a soft leather panel) is mounted on the seat frame assembly of the present invention, and a footrest is mounted on the footrest assembly to form a base seating product; when a user needs to adjust the seat to a lying posture mode (namely, the pedal plate is stretched and unfolded), the user operates the driving part to enable the first connecting rod mechanism to act, the seat frame assembly is provided with the seat panel to be close to the support leg to rotate and incline, so that the seat panel is smoother relative to the support leg, meanwhile, at least one seat frame connecting rod, the pedal assembly and the plurality of pedal connecting rods form a second connecting rod mechanism together, the seat frame connecting rod is arranged as a driving part in the second connecting rod mechanism, and the seat frame connecting rod drives the second connecting rod mechanism to act so that the pedal plate can rotate and be unfolded, and the user can place the whole leg horizontally; when a user needs to adjust the seat to a sitting posture mode (namely, the foot pedal is folded and stored, so that the user can sit and work conveniently), the user operates the driving part to reversely act, so that the first connecting rod mechanism reversely acts relative to the rest mode, the end, close to the leg, of the seat frame assembly with the seat panel is far away from the foot to rotate and incline, so that the end, close to the leg, of the seat panel is lifted relative to the ground, the space above the ground, close to the leg, of the seat panel is larger, meanwhile, as at least one seat frame connecting rod, the foot pedal assembly and the plurality of foot pedal connecting rods jointly form a second connecting rod mechanism, in the second connecting rod mechanism, the seat frame connecting rod is set as an active part, the seat frame connecting rod reversely acts by driving the second connecting rod mechanism, namely, the seat frame connecting rod drives the foot pedal assembly to rotate close to the foot, so that the foot pedal reversely rotates and is folded in the space below the seat panel, the space above the ground at the end close to the leg part on the seat panel is increased, so that the pedal plate is not scratched to the ground or the support legs in the process of folding and containing, and the safety performance of the product is enhanced; then adjust the relative angle between seat frame subassembly and the stabilizer blade through second inclination drive structure to make the leg of leaning on end that seat frame subassembly took the seat panel be close to the stabilizer blade and rotate the slope, finally make seat frame subassembly take the seat panel to adjust to more smooth angle, the user of being convenient for sits and stands.
In some embodiments, the driving portion is a first telescopic electric cylinder, a telescopic end of the first telescopic electric cylinder is pivotally provided on one driven member of the first link mechanism, and a tail end of the first telescopic electric cylinder is pivotally provided on the other driven member of the first link mechanism.
In some embodiments, the foot comprises a support base and a seat frame support disposed on the support base; the seat frame connecting rods comprise a first rod, a second rod, a third rod and a fourth rod, one end of the first rod is pivotally arranged on the seat frame supporting frame, the first rod is fixedly connected with the second rod, the other end of the first rod is pivotally connected with the third rod, the telescopic end of the first telescopic electric cylinder is pivotally arranged on the second rod, the tail end of the first telescopic electric cylinder is pivotally arranged on the seat frame assembly, the fourth rod is pivotally connected with the third rod, and the fourth rod is fixedly connected with the seat frame assembly.
Therefore, when the telescopic end of the first telescopic electric cylinder extends, the first rod can rotate towards the direction close to the support leg due to the fixed connection of the first rod and the second rod, and the first rod can pull the seat frame assembly to rotate towards the direction close to the support leg through the third rod and the fourth rod; when the flexible end of first flexible electric cylinder shortens (i.e. reverse motion), because first pole and second pole fixed connection, so first pole can rotate towards the direction of keeping away from the stabilizer blade, so first pole can be through third pole and fourth pole pulling seat frame subassembly towards the direction of keeping away from the stabilizer blade and rotate, accomplish promptly that the one end that is close to the shank on the seat panel lifts for ground, and the one end liftoff space that is close to the shank on the seat panel is bigger.
In some embodiments, the plurality of pedal links includes a fifth bar, a third bar, and a fourth bar, the pedal assembly pivotally disposed on the seat frame assembly, the fifth bar, the third bar, the fourth bar, and the pedal assembly forming a four-bar linkage such that the first bar actuates the pedal assembly to rotate on the seat frame assembly when the first telescoping cylinder actuates the first bar to rotate on the seat frame support via the second bar.
Therefore, when the telescopic end of the first telescopic electric cylinder extends, the first rod can rotate towards the direction close to the support leg, and the pedal assembly is driven to rotate towards the extending and opening direction on the seat frame assembly through the third rod and the fourth rod, so that the opening action of the pedal plate is completed; when the flexible end of first flexible electric jar shortens (i.e. reverse motion), because first pole and second pole fixed connection, so first pole can rotate towards the direction of keeping away from the stabilizer blade, so first pole can be through third pole and fourth pole pulling seat frame subassembly towards the direction rotation of keeping away from the stabilizer blade, accomplish promptly that the one end that is close to the shank on the seat panel lifts for ground, the one end liftoff space that is close to the shank on the seat panel is bigger, then drive pedal assembly through third pole and fourth pole and rotate towards the folding direction of shrink on the seat frame subassembly.
In some embodiments, the control terminal and the control system are further included, and the control terminal and the first electric telescopic cylinder are electrically connected with the control system, so that the control terminal can instruct the first electric telescopic cylinder to extend or retract through the control system.
Therefore, a user can control the first telescopic electric cylinder to extend or retract through one key of the control terminal, and convenience is provided for the user.
In some embodiments, a second recliner drive structure is disposed between the seat frame support bracket and the seat frame assembly to enable adjustment of a relative predetermined angle between the seat frame assembly and the seat frame support bracket by the second recliner drive structure.
Like this, the user can be when the running-board is in fold condition, adjusts the preset inclination of seat panel according to the body size of self for the activity space of shank obtains the most comfortable state, then the user is at the extension of subsequent switching running-board and fold condition in-process, need not the gradient of readjustment seat panel, provides convenience for the user of difference.
In some embodiments, the second tilt driving structure includes a second telescopic electric cylinder, a sixth rod, a seventh rod, and an eighth rod, one end of the seventh rod is disposed on the sixth rod, the middle position of the seventh rod is pivotally disposed on the seat frame support frame, the other end of the seventh rod is pivotally connected to the eighth rod, the eighth rod is pivotally disposed on the seat frame assembly, and the middle portion of the sixth rod is pivotally connected to the telescopic end of the second telescopic electric cylinder.
In this way, because the middle part of the sixth rod is pivotally connected with the telescopic end of the second telescopic electric cylinder, when the telescopic end of the second telescopic electric cylinder acts, the seventh rod can be driven by the sixth rod to rotate on the seat frame supporting frame, and then the seventh rod drives the eighth rod to pull the seat frame assembly to rotate, i.e. the seat frame assembly rotates obliquely relative to the supporting legs. In other embodiments, the second tilt driving mechanism may be appropriately adjusted according to actual conditions, that is, any specific mechanism may be used as long as the second tilt driving mechanism can drive the seat frame assembly to tilt and rotate relative to the support leg.
According to another aspect of the present invention, there is also provided a leisure chair comprising a seat reclining structure and a seat panel, wherein the seat panel is disposed on a seat frame assembly.
In some embodiments, a spring mesh is further included, the spring mesh being disposed between the seat panel and the seat frame assembly.
Like this, because the spring net has the effect of buffering shock attenuation, promoted the shock attenuation effect of seat panel.
In some embodiments, a back rest is also included, and a back rest plate is disposed on a back rest end of the seat frame assembly.
Thus, the backrest plate is arranged on the backrest end of the seat frame assembly, so that the backrest of a user can conveniently lean against the backrest, and convenience is provided for the user.
Drawings
Fig. 1 is a schematic view of a seat cushion tilt angle adjustment structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of the footrest assembly of the seat recliner configuration shown in FIG. 1 after being extended open;
FIG. 3 is a schematic view of another perspective of FIG. 3;
FIG. 4 is an elevational view of the footrest assembly of the recliner mechanism of FIG. 1 shown in an extended position;
FIG. 5 is a front view of the footrest assembly in the seating surface tilt adjustment configuration of FIG. 4, after the footrest assembly is collapsed and the second tilt actuating structure adjusts the relative angle between the seat frame assembly and the support legs;
fig. 6 is a schematic view of a leisure chair to which the seat reclining structure shown in fig. 1 is mounted.
Wherein the reference numerals have the following meanings: 1-seat frame component, 2-pedal component, 3-first telescopic electric cylinder, 4-first rod, 5-second rod, 6-third rod, 7-fourth rod, 8-fifth rod, 9-second telescopic electric cylinder, 10-sixth rod, 11-seventh rod, 12-eighth rod, 13-spring net, 14-backrest, 15-supporting base, 16-seat frame supporting frame and 17-ninth rod.
Detailed Description
For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
fig. 1 schematically shows a seat cushion tilt angle adjustment structure according to an embodiment of the present invention.
As shown in fig. 1 to 5, the seat surface inclination angle adjustment structure includes: the seat frame assembly comprises a seat frame assembly 1, a driving part, support legs, a pedal assembly 2, a second inclination angle driving structure, a plurality of seat frame connecting rods and a plurality of pedal connecting rods; the seat frame assembly 1, the driving part, the support legs and the seat frame connecting rods jointly form a first connecting rod mechanism, in the first connecting rod mechanism, the support legs are arranged as fixed components, the driving part is arranged as a driving part, the seat frame connecting rods are arranged as driven parts, the degree of freedom of the first connecting rod mechanism is equal to 1, and when the driving part drives the first connecting rod mechanism to act, the seat frame assembly 1 inclines relative to the rotation angle of the support legs; at least one seat frame connecting rod, the pedal assembly 2 and the pedal connecting rods jointly form a second connecting rod mechanism, in the second connecting rod mechanism, one pedal connecting rod is set as a fixed component, the seat frame connecting rod is set as a driving part, the rest pedal connecting rods are set as driven parts, the degree of freedom of the second connecting rod mechanism is equal to 1, the seat frame connecting rod drives the pedal assembly 2 to rotate close to the supporting leg by keeping away from the supporting leg end part of the seat frame assembly 1; a second tilt angle driving structure is provided between the seat frame assembly 1 and the legs to enable the relative angle between the seat frame assembly 1 and the legs to be adjusted by the second tilt angle driving structure. In detail, the leg rest end of the seat frame assembly 1 is the end of the seat with the seat cushion tilt angle adjusting structure installed thereon, which is close to the leg of the user on the seat frame assembly 1 in the use state.
Thus, when assembled, a seat panel (either a hard panel or a soft leather panel) is mounted on the seat frame assembly 1 of the present invention, and a footrest is mounted on the footrest assembly 2 to form a base seating product; when a user needs to adjust the seat to a lying posture mode (namely, the pedal plate is stretched and unfolded), the user operates the driving part to enable the first connecting rod mechanism to act, the seat frame assembly 1 drives the seat panel to be close to the support leg to rotate and incline, so that the seat panel is smoother relative to the support leg, meanwhile, at least one seat frame connecting rod, the pedal assembly 2 and the plurality of pedal connecting rods form a second connecting rod mechanism together, the seat frame connecting rod is arranged as a driving piece in the second connecting rod mechanism, and the seat frame connecting rod drives the second connecting rod mechanism to act so that the pedal plate can rotate and be opened, and the user can place the whole leg horizontally; when a user needs to adjust the seat to a sitting posture mode (i.e. the pedal plate is folded and stored, which is convenient for the user to sit and stand for working), the user operates the driving part to reversely move, so that the first link mechanism reversely moves relative to the rest mode, the end part, close to the leg, of the seat frame assembly 1 with the seat panel is far away from the leg to rotate and incline, so that the end, close to the leg, of the seat panel is lifted relative to the ground, the space above the ground, which is close to the leg, of the seat panel is larger, meanwhile, as at least one seat frame connecting rod, the pedal assembly 2 and the plurality of pedal connecting rods jointly form a second link mechanism, in the second link mechanism, the seat frame connecting rod is arranged as an active part, then the seat frame connecting rod reversely moves by driving the second link mechanism, namely the seat frame connecting rod drives the pedal assembly 2 to rotate close to the leg, so that the pedal plate reversely rotates and folds the space below the seat panel, the space above the ground at the end close to the leg part on the seat panel is increased, so that the pedal plate is not scratched to the ground or the support legs in the process of folding and containing, and the safety performance of the product is enhanced; then adjust the relative angle between seat frame subassembly 1 and the stabilizer blade through second inclination drive structure to make the leg of leaning on that seat frame subassembly 1 took the seat panel tip be close to the stabilizer blade and rotate the slope, finally make seat frame subassembly 1 take the seat panel to adjust to more smooth angle, the user of being convenient for sits and stands. Further, in this embodiment, the control system may further include a control system, and the driving portion and the second tilt driving structure are electrically connected to the control system, so as to automatically instruct the driving portion and the second tilt driving structure to operate through an operation program preset in the control system, thereby implementing automation of the whole operation process.
As shown in fig. 1, in the present embodiment, the driving portion is a first telescopic electric cylinder 3, a telescopic end of the first telescopic electric cylinder 3 is pivotally provided on one driven member of the first link mechanism, and a tail end of the first telescopic electric cylinder 3 is pivotally provided on the other driven member of the first link mechanism. In other embodiments, the specific structure of the driving unit may be appropriately adjusted according to actual conditions, and for example, the air cylinder may be a screw driving mechanism.
In the present embodiment, the support leg includes a support base 15 and a seat frame support frame 16, the seat frame support frame 16 is disposed on the support base 15; the seat frame connecting rods comprise a first rod 4, a second rod 5, a third rod 6 and a fourth rod 7, one end of the first rod 4 is pivotally arranged on the seat frame supporting frame 16, the first rod 4 is fixedly connected with the second rod 5, the other end of the first rod 4 is pivotally connected with the third rod 6, the telescopic end of the first telescopic electric cylinder 3 is pivotally arranged on the second rod 5, the tail end of the first telescopic electric cylinder 3 is pivotally arranged on the seat frame assembly 1, the fourth rod 7 is pivotally connected with the third rod 6, and the fourth rod 7 is fixedly connected with the seat frame assembly 1. Thus, when the telescopic end of the first telescopic electric cylinder 3 extends, since the first rod 4 is fixedly connected with the second rod 5, the first rod 4 will rotate towards the direction close to the support leg, and then the first rod 4 will pull the seat frame assembly 1 to rotate towards the direction close to the support leg through the third rod 6 and the fourth rod 7; when the telescopic end of the first telescopic electric cylinder 3 is shortened (i.e. moves reversely), because the first rod 4 is fixedly connected with the second rod 5, the first rod 4 can rotate towards the direction away from the support leg, and then the first rod 4 can pull the seat frame assembly 1 to rotate towards the direction away from the support leg through the third rod 6 and the fourth rod 7, that is, the end of the seat panel close to the leg is lifted relative to the ground, and the end of the seat panel close to the leg has a larger ground clearance.
As shown in fig. 1, 2 and 3, in further detail, in the present embodiment, the plurality of pedal links includes a fifth rod 8, a third rod 6 and a fourth rod 7, the pedal assembly 2 is pivotally disposed on the seat frame assembly 1, and the fifth rod 8, the third rod 6, the fourth rod 7 and the pedal assembly 2 constitute a four-bar mechanism, so that the first rod 4 drives the pedal assembly 2 to rotate on the seat frame assembly 1 when the first telescopic electric cylinder 3 drives the first rod 4 to rotate on the seat frame support frame 16 through the second rod 5. Thus, when the telescopic end of the first telescopic electric cylinder 3 extends, the first rod 4 rotates towards the direction close to the support leg, and the third rod 6 and the fourth rod 7 drive the pedal assembly 2 to rotate towards the extending and opening direction on the seat frame assembly 1, namely, the pedal opening action is completed; when the telescopic end of the first telescopic electric cylinder 3 is shortened (i.e. reverse movement), because the first rod 4 is fixedly connected with the second rod 5, the first rod 4 can rotate towards the direction away from the support leg, and then the first rod 4 can pull the seat frame assembly 1 to rotate towards the direction away from the support leg through the third rod 6 and the fourth rod 7, namely, the end of the seat panel close to the leg is lifted relative to the ground, the end of the seat panel close to the leg has larger ground clearance, and then the third rod 6 and the fourth rod 7 drive the pedal assembly 2 to rotate towards the telescopic folding direction on the seat frame assembly 1.
In this embodiment, the control system further comprises a control terminal and a control system, and the control terminal and the first telescopic electric cylinder 3 are both electrically connected with the control system, so that the control terminal can instruct the first telescopic electric cylinder 3 to extend or retract through the control system. Therefore, a user can control the first telescopic electric cylinder 3 to extend or retract through one key of the control terminal, and convenience is provided for the user.
As shown in fig. 1, in the present embodiment, a second reclining driving structure is provided between the seat frame support bracket 16 and the seat frame assembly 1, so that a relative preset angle between the seat frame assembly 1 and the seat frame support bracket 16 can be adjusted by the second reclining driving structure. Like this, the user can be when the running-board is in fold condition, adjusts the preset inclination of seat panel according to the body size of self for the activity space of shank obtains the most comfortable state, then the user is at the extension of subsequent switching running-board and fold condition in-process, need not the gradient of readjustment seat panel, provides convenience for the user of difference.
In detail, in the present embodiment, the second tilt driving mechanism includes a second telescopic electric cylinder 9, a sixth rod 10, a seventh rod 11, and an eighth rod 12, one end of the seventh rod 11 is disposed on the sixth rod 10, the middle position of the seventh rod 11 is pivotally disposed on the seat frame support frame 16, the other end of the seventh rod 11 is pivotally connected to the eighth rod 12, the eighth rod 12 is pivotally disposed on the seat frame assembly 1, and the middle position of the sixth rod 10 is pivotally connected to the telescopic end of the second telescopic electric cylinder 9. In this way, since the middle portion of the sixth rod 10 is pivotally connected to the telescopic end of the second telescopic electric cylinder 9, when the telescopic end of the second telescopic electric cylinder 9 is actuated, the seventh rod 11 can be driven by the sixth rod 10 to rotate on the seat frame support frame 16, and then the seventh rod 11 drives the eighth rod 12 to pull the seat frame assembly 1 to rotate, i.e. the seat frame assembly 1 rotates with tilting relative to the legs. In other embodiments, the second tilt driving mechanism may be appropriately adjusted according to actual conditions, that is, any specific mechanism may be used as long as the second tilt driving mechanism can drive the seat frame assembly 1 to tilt and rotate relative to the legs. In further detail, in this embodiment, the seat frame assembly further includes a ninth rod 17, one end of the ninth rod 17 is hinged to the seat frame assembly 1, the other end of the ninth rod 17 is hinged to the seat frame support frame 16, the seventh rod 11, the eighth rod 12, the ninth rod 17, the seat frame support frame 16 and the seat frame assembly 1 together form a link mechanism with a degree of freedom of 1, where the seat frame support frame 16 is a fixed member, so that the seventh rod 11 drives the seat frame assembly 1 to change an angle relative to the seat frame support frame 16 under the driving of the sixth rod 10.
Example two:
as shown in fig. 6, according to another aspect of the present invention, there is also provided a leisure chair comprising the seat reclining structure of the first embodiment and a seat panel, wherein the seat panel is disposed on the seat frame assembly 1.
In detail, in the present embodiment, a spring net 13 is further included, and the spring net 13 is disposed between the seat panel and the seat frame assembly 1. Thus, the spring net 13 has the function of buffering and damping, and the damping effect of the seat panel is improved.
In detail, in the present embodiment, a backrest 14 is further included, and the backrest 14 plate is disposed on the backrest 14 end of the seat frame assembly 1. Thus, by arranging the backrest 14 plate on the backrest 14 end of the seat frame assembly 1, the user can conveniently lean on the back, and convenience is provided for the user.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.
Claims (10)
1. The seat cushion tilt angle adjusting structure is characterized by comprising: the seat frame assembly comprises a seat frame assembly (1), a driving part, support legs, pedal assemblies (2), a second inclination angle driving structure, a plurality of seat frame connecting rods and a plurality of pedal connecting rods;
the seat frame assembly (1), the driving part, the supporting foot and the seat frame connecting rods jointly form a first connecting rod mechanism, in the first connecting rod mechanism, the supporting foot is arranged as a fixed component, the driving part is arranged as a driving part, the seat frame connecting rods are arranged as driven parts, the degree of freedom of the first connecting rod mechanism is equal to 1, and therefore when the driving part drives the first connecting rod mechanism to act, the seat frame assembly (1) inclines relative to the supporting foot corner;
at least one seat frame connecting rod, the pedal assembly (2) and the pedal connecting rods jointly form a second connecting rod mechanism, one pedal connecting rod is set as a fixed component in the second connecting rod mechanism, the seat frame connecting rods are set as driving pieces, the rest pedal connecting rods are set as driven pieces, and the degree of freedom of the second connecting rod mechanism is equal to 1,
to rotate away from the foot at the end of the leg of the seat frame assembly (1), the seat frame connecting rod driving the pedal assembly (2) to rotate close to the foot;
the second tilt angle driving structure is arranged between the seat frame assembly (1) and the supporting foot, so that the relative angle between the seat frame assembly (1) and the supporting foot can be adjusted through the second tilt angle driving structure.
2. The seat cushion tilt angle adjustment structure according to claim 1, wherein the driving portion is a first electric telescopic cylinder (3), a telescopic end of the first electric telescopic cylinder (3) is pivotally provided on one follower of the first link mechanism, and a rear end of the first electric telescopic cylinder (3) is pivotally provided on the other follower of the first link mechanism.
3. The seat cushion tilt adjustment structure according to claim 2, wherein the leg includes a support base (15) and a seat frame support frame (16), the seat frame support frame (16) being provided on the support base (15);
the seat frame connecting rods comprise a first rod (4), a second rod (5), a third rod (6) and a fourth rod (7), one end of the first rod (4) is pivotally arranged on the seat frame supporting frame (16), the first rod (4) is fixedly connected with the second rod (5), the other end of the first rod (4) is pivotally connected with the third rod (6), the telescopic end of the first telescopic electric cylinder (3) is pivotally arranged on the second rod (5), the tail end of the first telescopic electric cylinder (3) is pivotally arranged on the seat frame assembly (1), the fourth rod (7) is pivotally connected with the third rod (6), and the fourth rod (7) is fixedly connected with the seat frame assembly (1).
4. The seat tilt adjustment structure according to claim 3, wherein the plurality of pedal links includes a fifth rod (8), the third rod (6), and the fourth rod (7), the pedal assembly (2) is pivotally provided on the seat frame assembly (1), and the fifth rod (8), the third rod (6), the fourth rod (7), and the pedal assembly (2) constitute a four-rod mechanism, so that the first rod (4) drives the pedal assembly (2) to rotate on the seat frame assembly (1) when the first telescopic electric cylinder (3) drives the first rod (4) to rotate on the seat frame support frame (16) through the second rod (5).
5. The seat cushion tilt adjustment structure according to any one of claims 2 to 4, further comprising a control terminal and a control system, both the control terminal and the first telescopic electric cylinder (3) being electrically connected to the control system, so that the control terminal can instruct the first telescopic electric cylinder (3) to extend or retract by the control system.
6. The seat cushion tilt adjustment structure according to claim 3, wherein the second tilt drive structure is provided between the seat frame support frame (16) and the seat frame assembly (1) to enable adjustment of a relative preset angle between the seat frame assembly (1) and the seat frame support frame (16) by the second tilt drive structure.
7. The seat cushion tilt angle adjustment structure according to claim 6, wherein the second tilt angle driving structure includes a second telescopic electric cylinder (9), a sixth rod (10), a seventh rod (11), and an eighth rod (12), one end of the seventh rod (11) is disposed on the sixth rod (10), an intermediate position of the seventh rod (11) is pivotally disposed on the seat frame support frame (16), the other end of the seventh rod (11) is pivotally connected to the eighth rod (12), the eighth rod (12) is pivotally disposed on the seat frame assembly (1), and the sixth rod (10) is pivotally connected to a telescopic end of the second telescopic electric cylinder (9).
8. Leisure chair characterized in that it comprises a seat reclining structure as claimed in any of claims 1 to 7 and a seat panel, wherein the seat panel is provided on the seat frame assembly (1).
9. The lounge chair according to claim 8, further comprising a spring net (13), said spring net (13) being disposed between said seat panel and said seat frame assembly (1).
10. The leisure chair according to claim 9 further comprising a backrest (14), the backrest (14) plate being provided on the backrest (14) end of the seat frame assembly (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121317543.8U CN215502079U (en) | 2021-06-11 | 2021-06-11 | Seat surface inclination angle adjusting structure and leisure chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121317543.8U CN215502079U (en) | 2021-06-11 | 2021-06-11 | Seat surface inclination angle adjusting structure and leisure chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215502079U true CN215502079U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121317543.8U Active CN215502079U (en) | 2021-06-11 | 2021-06-11 | Seat surface inclination angle adjusting structure and leisure chair |
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| Country | Link |
|---|---|
| CN (1) | CN215502079U (en) |
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2021
- 2021-06-11 CN CN202121317543.8U patent/CN215502079U/en active Active
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Address after: 528400 Industrial Zone, xigubu village, Dongfeng Town, Zhongshan City, Guangdong Province Patentee after: Guangdong Jiaju Furniture Co.,Ltd. Address before: 528400 Industrial Zone, xigubu village, Dongfeng Town, Zhongshan City, Guangdong Province Patentee before: ZHONGSHAN JIAJU FURNITURE Co.,Ltd. |