CN220384694U - Chair with independent foot rest - Google Patents
Chair with independent foot rest Download PDFInfo
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- CN220384694U CN220384694U CN202320862862.XU CN202320862862U CN220384694U CN 220384694 U CN220384694 U CN 220384694U CN 202320862862 U CN202320862862 U CN 202320862862U CN 220384694 U CN220384694 U CN 220384694U
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- foot rest
- push rod
- chair
- rod
- seat frame
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- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model relates to the technical field of furniture, in particular to a chair with independent foot rest, the service area of the foot rest part of the existing chair is limited, the chair with independent foot rest comprises a seat frame and a foot rest assembly, a transmission assembly and a second adjusting device are arranged between the seat frame and the foot rest assembly, the second adjusting device drives the transmission assembly to move and realizes the rotation of the foot rest assembly, the foot rest assembly comprises an upper foot rest and a lower foot rest, an auxiliary part for connecting the upper foot rest and the lower foot rest is arranged between the upper foot rest and the lower foot rest, and compared with the existing single foot rest structure, the foot rest assembly is effectively prolonged, the use comfort is improved, and the chair has good development prospect in the technical field of furniture.
Description
Technical Field
The utility model relates to the technical field of furniture, in particular to a chair with independent foot rest.
Background
The utility model patent CN217471558U discloses a linkage chair, which provides a chair with a limited foot rest area, which can adjust the angles of the backrest and the foot rest respectively, and the extension of the size of the foot rest panel can cause inconvenient accommodation of the chair and influence the beauty.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to provide a chair with independent leg rest, which solves the problem that the use area of the leg rest part of the existing chair is limited.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a chair of independent bracket in area, includes seat frame and bracket subassembly, set up drive assembly and second adjusting device between seat frame and the bracket subassembly, second adjusting device drives the drive assembly activity and realizes the bracket subassembly and rotate, the bracket subassembly includes foot rest and lower bracket, set up the auxiliary that is used for connecting foot rest and lower foot rest between last foot rest and the lower bracket.
Through adopting above-mentioned technical scheme, through second adjusting device adjustment bracket subassembly angle, compare current single footrest structure, effectively prolong the footrest, improve the use comfort.
Further, the auxiliary part is a rod piece with two end parts respectively hinged with the upper foot rest and the lower foot rest.
Through adopting above-mentioned technical scheme, connect foot rest and lower foot rest through the member, can accomodate folding and expansion when making both keep moment zonulae occludens.
Still further, the auxiliary comprises a fixed rod and an elastic piece, wherein the fixed rod is fixed at the middle part of the upper foot rest, and two end parts of the elastic piece are fixed on the lower foot rest and are wound on the fixed rod.
By adopting the technical scheme, the elastic piece is stronger in extensibility and connection tightness.
Furthermore, an anti-friction pad is arranged between the upper foot rest and the lower foot rest.
By adopting the technical scheme, the abrasion of the upper foot rest and the lower foot rest in the storage and unfolding processes is reduced.
Still further, the drive assembly includes connecting rod and pendulum rod, connecting rod one end is articulated with last foot rest, and the other end is articulated with the pendulum rod, the one end that the pendulum rod was kept away from the connecting rod is articulated with the seat frame.
Through adopting above-mentioned technical scheme, through connecting rod and pendulum rod connection, single spare part length is shorter, and the expansion and the accommodation process of bracket subassembly are more smooth and easy, are convenient for lay after accomodating completely, and the appearance is also more pleasing to the eye.
Further, a backrest is arranged on the seat frame, and a first adjusting device is arranged between the backrest and the seat frame.
Through adopting above-mentioned technical scheme, adjust back angle through adjusting device to separate with the device of adjusting the bracket subassembly angle, realize the regulation respectively of bracket part and back part.
Still further, second adjusting device includes the second push rod, second push rod both ends respectively with drive assembly, seat frame bottom surface hinge, the second push rod is driven by the second switch through acting as go-between, first adjusting device includes first push rod, first push rod both ends respectively with seat frame, backrest bottom hinge, first push rod is driven by first switch through acting as go-between.
Through adopting above-mentioned technical scheme, back and bracket subassembly angle are adjusted through different switches, reduce operating error.
Still further, the push rods, including the first push rod and the second push rod, are each adjustable rigid gas springs.
By adopting the technical scheme, the length of the adjustable rigid gas spring is completely rigid when locked, so that the angle positioning of the backrest or the leg rest is more stable.
Still further, set up the transmission structure including first push rod and second push rod and corresponding between the acting as go-between, the transmission structure includes clamp plate and hinged plate, clamp plate one end is rotated with the hinged plate and is connected and act as go-between with the other end, each push rod and clamp plate clearance fit.
Through adopting above-mentioned technical scheme, the clamp plate area is greater than the contact point area with adjusting gas spring far away, can use less power control push rod, reduces the atress of acting as go-between, and the clamp plate rotates to the direction that is close to the push rod, drives compression push rod.
Still further, adjustable rigidity gas spring includes cylinder body, piston rod and slide plug, set up in the cylinder body and separate the slide plug and divide into air cavity and oil pocket with the cylinder body internal portion, the slide plug divide into No. one oil pocket and No. two oil pockets with the oil pocket, set up the valve on the slide plug, set up the needle valve in the piston rod, needle valve and piston rod sliding connection, needle valve one end sets up in valve department and the other end and transmission structure clearance fit.
Through adopting above-mentioned technical scheme, the switch drives transmission structure through the acting as go-between, finally presses the needle valve into the cylinder body to open the valve on the slide and make the slide both sides form the passageway, can push the piston rod into the cylinder body with very little power like this.
Compared with the prior art, the utility model has the advantages that: 1. the foot rest part area is effectively prolonged, and the use comfort is improved; 2. the backrest and the foot rest part can be respectively adjusted, so that the use is more flexible, different requirements of users are met, and the operation error is reduced through different switches; 3. by providing a sliding needle valve in the adjusting gas spring, the piston rod can be pushed with a small force to complete the operation.
Drawings
Fig. 1 is a schematic view showing a storage state of a leg rest assembly according to the present utility model.
Fig. 2 is a schematic view of the leg rest assembly of the present utility model in a semi-extended configuration.
Fig. 3 is a schematic view of the leg rest assembly of the present utility model in its fully extended configuration.
Fig. 4 is a schematic structural view of the rod member of the present utility model in a storage state as an auxiliary member.
Fig. 5 is a schematic view showing the structure of the rod as an auxiliary in the unfolded state.
FIG. 6 is a schematic view of the backrest of the present utility model in a reclined position.
Fig. 7 is a perspective view showing a storage state of the leg rest assembly according to the present utility model.
Fig. 8 is a schematic perspective view of the leg rest assembly of the present utility model in a fully extended position.
Fig. 9 is a schematic view of the initial structure of the adjustable rigid gas spring of the present utility model.
FIG. 10 is a schematic view showing the structure of the adjustable rigid gas spring needle valve of the present utility model pressed into the cylinder.
In the figure: 1-seat frame, 2-backrest, 3-stay wire, 4.1-upper foot rest, 4.2-lower foot rest, 4.3-rod piece, 4.4-elastic piece, 4.5-fixed rod, 4.6-antifriction pad, 5.1-connecting rod, 5.2-swing rod, 6-push rod, 6.1-piston rod, 6.2-sliding plug, 6.3-valve, 6.4-needle valve, 6.5-air cavity, 6.6-oil cavity, 6.7-cylinder body, 6.8-separating sliding plug, 6.6.1-first oil cavity, 6.6.2-second oil cavity, 61-first push rod, 62-second push rod, 7.1-hinge plate and 7.2-pressing plate.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
Embodiment one: given by fig. 1 to 8, a chair with independent foot rest, including seat frame 1 and foot rest subassembly, the foot rest subassembly includes foot rest 4.1 and lower foot rest 4.2, set up the auxiliary that is used for connecting foot rest 4.1 and lower foot rest 4.2 between foot rest 4.1 and the lower foot rest 4.2, set up drive assembly and second adjusting device between seat frame 1 and the foot rest subassembly, drive assembly includes connecting rod 5.1 and pendulum rod 5.2, connecting rod 5.1 one end is articulated with last foot rest 4.1, and the other end is articulated with pendulum rod 5.2, the one end that connecting rod 5.1 was kept away from to pendulum rod 5.2 is articulated with seat frame 1, second adjusting device includes second push rod 62, second push rod 62 both ends are articulated with connecting rod 5.1, seat frame 1 bottom surface respectively, second push rod 62 is driven by the second switch through the stay wire 3, second adjusting device drives drive assembly activity and realizes the deformation of foot rest subassembly.
On the basis of the embodiment, an anti-friction pad 4.6 is arranged between the upper foot rest 4.1 and the lower foot rest 4.2, and the anti-friction pad 4.6 is fixed on the bottom surface of the upper foot rest 4.1 or the upper surface of the lower foot rest 4.2.
On the basis of the above embodiments, as shown in fig. 1 to 3, the auxiliary comprises a fixing rod 4.5 and an elastic member 4.4, wherein the fixing rod is fixed in the middle of the upper foot rest 4.1, and two ends of the elastic member are fixed on the lower foot rest 4.2 and wound on the fixing rod.
The difference from the above-described embodiment is that, as shown in fig. 4 to 5, the auxiliary element is a rod 4.3, which is hinged at both ends to the upper foot rest 4.1 and the lower foot rest 4.2, respectively.
In the second embodiment, as shown in fig. 1 to 6, on the basis of the first embodiment, a backrest 2 is disposed on the seat frame 1, a first adjusting device is disposed between the backrest 2 and the seat frame 1, the first adjusting device includes a first push rod 61, two ends of the first push rod 61 are respectively hinged to the bottoms of the seat frame 1 and the backrest 2, and the first push rod 61 is driven by a first switch through a pull wire 3.
On the basis of the embodiment, as shown in fig. 9 to 10, the first push rod 61 and the second push rod 62 have the same structural principle, the push rods 6 are collectively called as adjustable rigid gas springs, a transmission structure is arranged between each push rod 6 and the corresponding stay wire 3, the transmission structure comprises a pressing plate 7.2 and a hinged plate 7.1, one end of the pressing plate 7.2 is rotationally connected with the hinged plate 7.1, the other end of the pressing plate is connected with the stay wire 3, each adjustable rigid gas spring is in movable fit with the pressing plate 7.2, each adjustable rigid gas spring comprises a cylinder body 6.7, a piston rod 6.1 and a sliding plug 6.2, a separation sliding plug 6.8 is arranged in the cylinder body 6.7 to divide the cylinder body into an air cavity 6.5 and an oil cavity 6.6, the sliding plug 6.2 divides the oil cavity into a first oil cavity 6.6.1 and a second oil cavity 6.2, a valve 6.3 is arranged on the sliding plug 6.2, a needle valve 6.4 is arranged in the needle valve 6.1 and is in the needle valve 6.2 to be in sliding fit with the piston rod 6.2, and the other end of the valve 6.2 is in movable fit with the piston rod 6.3.
The difference from the above-described embodiment is that the push rods 6 including the first push rod 61 and the second push rod 62 are all electric push rods.
The working principle process of the foot rest component in the utility model is as follows: when the foot rest assembly is unfolded: the second push rod 62 stretches to drive the connecting rod 5.1 to extend outwards, when the connecting rod 5.1 extends outwards, the upper foot rest 4.1 and the lower foot rest 4.2 are driven to be unfolded, the upper foot rest 4.1 and the lower foot rest 4.2 are staggered, the area of a foot rest assembly is prolonged, the upper foot rest 4.1 and the lower foot rest 4.2 are always tightly connected under the action of an auxiliary, and when the connecting rod 5.1 rotates, the swing rod 5.2 plays a role in supporting and matching rotation between the seat frame 1 and the connecting rod 5.1; when the foot rest assembly is stored: the second push rod 62 shortens, driving the upper and lower footrests 4.1, 4.2 to retract inwardly.
The working principle process of the adjustable rigid gas spring in the utility model is as follows: the first switch and the second switch are collectively called as a switch 8, the backrest 2 and the foot rest component are respectively adjusted through the switch 8, multiple use scenes of a user are met, the needle valve 6.4 is plugged in the valve 6.3 in an initial state, when the switch 8 pulls the pull wire 3, the pressure plate 7.2 is used for pushing the needle valve 6.4 in the direction of the cylinder body 6.7, thereby opening the valve 6.3 on the sliding plug 6.2, a passage is formed between the first oil cavity 6.6.1 and the second oil cavity 6.6.2 on two sides of the sliding plug, then the backrest or the foot rest component is directly rotated outside (for example, when a person sits on a chair, the backrest 2 can be driven to move backwards in a backward manner), the piston rod 6.1 is pushed in the cylinder body 6.7 with a small force, the sliding plug 6.2 moves along with the backrest, at the moment, the time, because of the push-in of the piston rod 6.1, the oil cavity is always occupied in an increased, gas is compressible, the sliding plug 6.8 is split to slightly move in the direction of the air cavity, namely, the length of the air cavity is shortened, the opening the valve 6.5, the backrest or the foot rest component is adjusted to a proper position, the backrest or the backrest is not locked due to the fact that the backrest is locked by the valve 6.3, namely, the length is completely locked by the air cavity, namely, the backrest is locked when the backrest is locked, or the backrest is not locked, or the length is completely locked, or the air cavity is locked, namely, or the rest is not locked, and the rest is completely, or is locked, and the rest, and is not stable.
While the preferred embodiments of the present utility model have been described in detail, it is to be clearly understood that the same may be varied in many ways by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The utility model provides a chair with independent foot rest, includes seat frame (1) and foot rest subassembly, its characterized in that, set up drive assembly and second adjusting device between seat frame (1) and the foot rest subassembly, second adjusting device drives drive assembly activity and realizes the foot rest subassembly and rotates, the foot rest subassembly includes foot rest (4.1) and lower foot rest (4.2), set up the auxiliary that is used for connecting foot rest (4.1) and lower foot rest (4.2) between foot rest (4.1) and lower foot rest (4.2), the auxiliary includes dead lever (4.5) and elastic component (4.4), the dead lever is fixed in foot rest (4.1) middle part, elastic component both ends are fixed on lower foot rest (4.2) and around locating on the dead lever.
2. A chair with independent leg rest according to claim 1, characterized in that an anti-friction pad (4.6) is arranged between the upper foot rest (4.1) and the lower foot rest (4.2).
3. A chair with independent leg rest according to claim 1, characterized in that the transmission assembly comprises a connecting rod (5.1) and a swinging rod (5.2), one end of the connecting rod (5.1) is hinged with the upper leg rest (4.1), the other end is hinged with the swinging rod (5.2), and the end of the swinging rod (5.2) far from the connecting rod (5.1) is hinged with the seat frame (1).
4. Chair with independent leg rest according to claim 1, characterized in that the seat frame (1) is provided with a backrest (2), and that a first adjusting means is arranged between the backrest (2) and the seat frame (1).
5. The chair with independent leg rest according to claim 4, wherein the second adjusting device comprises a second push rod (62), two ends of the second push rod (62) are respectively hinged with the transmission assembly and the bottom surface of the seat frame (1), and the first adjusting device comprises a first push rod (61), and two ends of the first push rod (61) are respectively hinged with the bottom of the seat frame (1) and the bottom of the backrest (2).
6. The chair with independent leg rest according to claim 5, characterized in that the push rods (6) comprising the first push rod (61) and the second push rod (62) are all adjustable rigid gas springs, the second push rod (62) is driven by the second switch through the pull wire (3), and the first push rod (61) is driven by the first switch through the pull wire (3).
7. The chair with independent leg rest according to claim 6, wherein a transmission structure is arranged between the adjustable rigid gas spring and the corresponding stay wire (3), the transmission structure comprises a pressing plate (7.2) and a hinged plate (7.1), one end of the pressing plate (7.2) is rotationally connected with the hinged plate (7.1) and the other end of the pressing plate is connected with the stay wire (3), each push rod is movably matched with the pressing plate (7.2), the push rod comprises a cylinder body (6.7), a piston rod (6.1) and a sliding plug (6.2), a separation sliding plug (6.8) is arranged in the cylinder body (6.7) to divide the interior of the cylinder body into an air cavity (6.5) and an oil cavity (6.6), the sliding plug (6.2) divides the oil cavity into an oil cavity No. 6.6.1) and an oil cavity No. two (6.6.2), a valve (6.3) is arranged on the sliding plug (6.2), a needle valve (6.4) is arranged in the piston rod (6.1), and the needle valve (6.4) is movably matched with one end of the piston rod (6.1).
8. The chair with independent leg rest according to claim 5, wherein the push rods (6) including the first push rod (61) and the second push rod (62) are all electric push rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320862862.XU CN220384694U (en) | 2023-04-18 | 2023-04-18 | Chair with independent foot rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320862862.XU CN220384694U (en) | 2023-04-18 | 2023-04-18 | Chair with independent foot rest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220384694U true CN220384694U (en) | 2024-01-26 |
Family
ID=89613304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320862862.XU Active CN220384694U (en) | 2023-04-18 | 2023-04-18 | Chair with independent foot rest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220384694U (en) |
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2023
- 2023-04-18 CN CN202320862862.XU patent/CN220384694U/en active Active
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