CN210204063U - Chair with linked seat-back frame and leg rest - Google Patents

Chair with linked seat-back frame and leg rest Download PDF

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Publication number
CN210204063U
CN210204063U CN201920426684.XU CN201920426684U CN210204063U CN 210204063 U CN210204063 U CN 210204063U CN 201920426684 U CN201920426684 U CN 201920426684U CN 210204063 U CN210204063 U CN 210204063U
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China
Prior art keywords
frame
seat
leg
leg rest
chair
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CN201920426684.XU
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Chinese (zh)
Inventor
Qi Lin
林琪
Shaohua Li
李少华
Haiping Wang
王海平
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Shanghai Rongtai Health Technology Corp Ltd
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Shanghai Rongtai Health Technology Corp Ltd
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Abstract

The utility model provides a seat and lean on frame and put leg frame linkage chair, include: the base is provided with a track; the seat and back frame is arranged on the track in a sliding manner through the rollers; the leg rest is arranged on the seat and back frame in a swinging mode; the linkage assembly comprises a seat and back frame connecting plate, a leg rest lifting lever, a push-pull connecting rod and a leg rest connecting plate, the seat and back frame connecting plate is detachably connected with the seat and back frame, and the leg rest connecting plate is detachably connected with the leg rest frame; the driving device is arranged on the base, the seat and the leaning frame incline along the track under the driving of the driving device, and the linkage assembly drives the leg rest to lift. The utility model discloses under the prerequisite of realizing sitting to lean on the frame and putting leg frame linkage function, the structure of its linkage subassembly is simpler, and the dismouting is swift, the assembly of being convenient for, maintenance chair complete machine.

Description

Chair with linked seat-back frame and leg rest
Technical Field
The utility model relates to a seat field especially relates to a seat is leaned on frame and is put leg frame linkage chair.
Background
At present, commercially available backrest and shank linkage massage chairs are complex in mechanism, high in cost and inconvenient in subsequent disassembly and maintenance.
For example, a massage chair with a backrest linked with a lower leg is provided, which includes a base, a backrest and a leg rest. Although the massage chair can realize the linkage between the backrest and the crus, the linkage mechanism is complex, and is not detachable, and the maintenance is very inconvenient.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing, the to-be-solved technical problem of the utility model is to provide a sit and lean on frame and put leg frame linkage chair, on the premise of realizing sitting and lean on frame and putting leg frame linkage function, the structure of its linkage subassembly is simpler, and the dismouting is swift, the assembly of being convenient for, maintenance chair complete machine.
In order to solve the technical problem, the utility model provides a seat and lean on frame and leg rest frame linkage chair, include:
the base is provided with a track;
the seat and back frame is arranged on the track in a sliding manner through the rollers;
the leg rest is arranged on the seat and back frame in a swinging mode;
linkage subassembly, the linkage subassembly is including sitting and leaning on a connecting plate, put leg lifting lever and push-and-pull connecting rod, sit and lean on a connecting plate and sit and lean on the frame can dismantle and be connected, put leg lifting lever with sit and lean on a connecting plate to rotate and be connected, and put leg lifting lever and sit and lean on a junction of connecting plate to constitute the fulcrum, put leg lifting lever and rotate the setting on the base from the first end that the fulcrum is far away from with sliding from top to bottom, put leg lifting lever and rotate with the first end of push-and-pull connecting rod from the second end that the fulcrum is close to and be connected, push-and-pull connecting rod's second end rotates with put.
Preferably, the linkage assembly further comprises a leg rest connecting plate, the leg rest connecting plate is rotatably connected with the second end of the push-pull connecting rod, and the leg rest connecting plate is detachably connected with the leg rest.
Preferably, the seat-back frame and leg rest frame linkage chair further comprises a driving device, the driving device is arranged on the base, and the driving device drives the seat-back frame to tilt along the track.
Preferably, the back of the leaning frame is provided with a roller mounting rod extending downwards, and the roller is arranged on the roller mounting rod.
Preferably, a sliding shaft is arranged at the first end of the leg-rest lifting lever, a sliding groove extending up and down is formed in the base, and the sliding shaft is arranged in the sliding groove in a sliding manner.
Preferably, the backrest frame includes a backrest portion and a sitting portion, and the sitting portion is integrally formed on the backrest portion.
Preferably, the base includes a support frame, and a plurality of support posts are provided on opposite sides of the support frame, and the number of the tracks is two, and each track is connected with all the support posts located on the same side.
Preferably, the leg rest lifting lever is composed of a power rod part and a resistance rod part, the power rod part is V-shaped, and the resistance rod part is linear.
Preferably, the track is shaped like Contraband, the track comprises a top wall, a bottom wall and side walls, and the rollers are positioned in a sliding channel jointly limited by the top wall, the bottom wall and the side walls.
Preferably, the driving device comprises a telescopic driving cylinder, the first end of the telescopic driving cylinder is rotatably connected with the seat frame, and the second end of the telescopic driving cylinder is rotatably connected with the base.
As mentioned above, the utility model discloses a seat is leaned on frame and is put leg frame linkage chair has following beneficial effect: the utility model discloses in, above-mentioned linkage subassembly couples together base, seat rest frame and leg rest frame to the realization is sat the linkage between rest frame and the leg rest frame. When the seat and the back rest frame are driven by people or a driving device to lie and slide along the extending direction of the track and towards the front of the chair, the seat and the back rest frame connecting plate of the linkage assembly can move along with the seat and the back rest frame; the first end of the leg placing lifting lever can move up and down on the base within a certain range, and the seat and back frame connecting plate drives the first end of the leg placing lifting lever to slide upwards, so that the leg placing lifting lever rotates around the fulcrum; then, under the transmission of the push-pull connecting rod, the leg rest swings upwards by a certain angle by taking the joint of the leg rest and the seat rest as a swinging point, so that the leg rest is lifted. When the driving device drives the seat frame to slide along the extending direction of the track and to rise towards the back of the chair, each part of the linkage assembly can move reversely to realize the descending of the leg rest, and the specific principle is not repeated. In addition, the linkage subassembly is an independent subassembly, sits promptly and leans on a connecting plate and sits to lean on the frame to dismantle and be connected, and the second end of push-and-pull connecting rod rotates with put leg rest detachably and be connected, so set up, the dismouting is simple, makes things convenient for the assembly of chair complete machine to solve the problem that the structure is complicated, with too high costs, maintain the difficulty. Therefore, the utility model discloses a sit and lean on frame and put leg frame linkage chair under the prerequisite of realizing sitting and lean on frame and putting leg frame linkage function, the structure of linkage subassembly is simpler, and the dismouting is swift, the assembly of being convenient for, maintenance chair complete machine.
Drawings
FIG. 1 is a schematic view of a chair with a backrest and a leg rest linkage according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of a linkage assembly;
figure 4 shows a first use condition of the chair with the seat and leg rest coupled together;
figure 5 shows a second state of use of the chair with the seat and leg rest in linkage.
Description of the element reference numerals
1 base
11 track
12 sliding groove
13 support frame
14 support column
2 seat and back frame
21 roller
22 roller mounting rod
3 leg rest
4 linkage assembly
41 leaning frame connecting plate
42 leg rest lifting lever
421 power rod part
422 resistance rod part
423 sliding shaft
43 push-pull connecting rod
44 leg rest connecting plate
5 drive device
51 telescopic driving cylinder
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1 and 2, the utility model provides a chair with a linked seat and a leg rest, comprising:
the device comprises a base 1, wherein a track 11 is arranged on the base 1;
the seat and backrest frame 2 is arranged on the track 11 in a sliding mode through rollers 21;
the leg rest 3 is arranged on the seat and back frame 2 in a swinging way; the leg rest 3 can be a flat plate, a grating plate or other plate-shaped structures;
linkage assembly 4 (refer to fig. 3), linkage assembly 4 is including sitting and leaning on a connecting plate 41, put leg lifting lever 42 and push-and-pull connecting rod 43, sit and lean on a connecting plate 41 and be connected with sitting and leaning on frame 2 and can dismantle, put leg lifting lever 42 with sit and lean on a connecting plate 41 and rotate and be connected, and put leg lifting lever 42 and sit and lean on a junction of a connecting plate 41 and constitute the fulcrum, put leg lifting lever 42 and rotate the setting on base 1 with sliding from top to bottom from the first end that the fulcrum is far away, put leg lifting lever 42 and rotate with the first end of push-and-pull connecting rod 43 from the second end that the fulcrum is close to and be connected, the second end of push-and-pull connecting rod 43 rotates with putting.
As shown in fig. 4 and 5, in the present invention, the chair can be a common leisure chair or a massage chair, and the linking component 4 connects the base 1, the seat frame 2 and the leg rest frame 3, so as to realize the linkage between the seat frame 2 and the leg rest frame 3. When the seat-back frame 2 is driven by people or a driving device to slide along the extending direction of the track 11 and to lie down towards the front of the chair, the seat-back frame connecting plate 41 of the linkage assembly 4 moves along with the seat-back frame 2; as the first end of the leg rest lifting lever 42 can move up and down on the base 1 within a certain range, the seat and back frame connecting plate 41 drives the first end of the leg rest lifting lever 42 to slide upwards, so that the leg rest lifting lever 42 rotates around the fulcrum; then, under the transmission of the push-pull connecting rod 43, the leg rest 3 swings upward by a certain angle with the joint of the leg rest 3 and the seat frame 2 as a swing point, thereby realizing the lifting of the leg rest 3. When the driving device 5 drives the leaning frame 2 to slide along the extending direction of the track 11 and to get up towards the back of the chair, each part of the linkage assembly 4 will move reversely to realize the descending of the leg rest 3, and the detailed principle is not described again. In addition, linkage subassembly 4 is an independent subassembly, sits and leans on a connecting plate 41 promptly and sits and lean on frame 2 to dismantle to be connected, and the second end of push-and-pull connecting rod 43 rotates with putting leg rest 3 detachably and be connected, so set up, the dismouting is simple, makes things convenient for the assembly of chair complete machine to solve the problem that the structure is complicated, with too high costs, maintain the difficulty. Therefore, the utility model discloses a sit and lean on frame and put leg frame linkage chair under the prerequisite of realizing sitting and lean on frame 2 and putting leg frame 3 linkage function, linkage assembly 4's structure is simpler, and the dismouting is swift, the assembly of being convenient for, maintenance chair complete machine.
To facilitate the detachable rotational connection of the second end of the push-pull link 43 to the leg rest 3, the linkage assembly 4 further includes a leg rest connecting plate 44, the leg rest connecting plate 44 is rotatably connected to the second end of the push-pull link 43, and the leg rest connecting plate 44 is detachably connected to the leg rest 3.
As a detachable connection mode of the above-mentioned seat frame connection plate 41 and seat frame 2: sit and lean on and be equipped with first connecting hole on the frame connecting plate 41, above-mentioned sit and lean on to be equipped with the second connecting hole on the frame 2, wear to establish first connecting bolt in first connecting hole, the second connecting hole simultaneously and will sit and lean on frame connecting plate 41 to connect on sitting and leaning on frame 2.
As a detachable connection method of the leg rest connecting plate 44 and the leg rest 3: a third connecting hole is arranged on the leg rest connecting plate 44, a fourth connecting hole is arranged on the leg rest 3, and a second connecting bolt penetrating through the third connecting hole and the fourth connecting hole connects the leg rest connecting plate 44 to the leg rest 3.
In order to facilitate the installation of the roller 21 and to prevent the movement interference between the leaning frame 2 and the rail 11, the leaning frame 2 has a roller installation rod 22 extending downward on the back surface thereof, and the roller 21 is disposed on the roller installation rod 22.
As shown in fig. 2, in order to vertically slide the first end of the leg-rest lifting lever 42 on the base 1, the first end of the leg-rest lifting lever 42 is provided with a sliding shaft 423, the base 1 is provided with a sliding groove 12 extending vertically, and the sliding shaft 423 is slidably disposed in the sliding groove 12.
To facilitate the manufacture of the above-described seat back frame 2, the seat back frame 2 includes a seat back portion and a seat portion, and the seat portion is integrally formed on the seat back portion. Specifically, the sitting portion is provided with a transitional connecting plate, and one side of the leg rest 3 is arranged on the transitional connecting plate in a swinging manner.
In order to simplify the structure of the base 1, the base 1 includes a support frame 13, a plurality of support columns 14 are disposed on opposite sides of the support frame 13, the number of the rails 11 is two, and each rail 11 is connected to all the support columns 14 on the same side.
In order to increase the swing angle of the leg rest 3, the leg rest lifting lever 42 includes a power lever 421 and a resistance lever 422, the power lever 421 is V-shaped, and the resistance lever 422 is linear.
The rail 11 (here, the cross section of the rail 11) may be i-shaped or Contraband-shaped. The track 11 is preferably generally shaped like Contraband: the track 11 comprises a top wall, a bottom wall and side walls, the rollers 21 being located in a sliding channel defined by the top wall, the bottom wall and the side walls.
The chair with the linkage of the seat-back frame and the leg rest frame further comprises a driving device 5, the driving device 5 is arranged on the base 1, and the driving device 5 drives the seat-back frame 2 to incline along the track 11. Drive arrangement 5 can include driving motor, also can include flexible actuating cylinder 51, and in order to simplify the structure, drive arrangement 5 regard flexible actuating cylinder 51 as the power supply, and the first end of flexible actuating cylinder 51 rotates with the frame of leaning on 2 and is connected, and the second end of flexible actuating cylinder 51 rotates with base 1 and is connected, and the concertina movement of flexible actuating cylinder 51 can realize like this that the side of leaning on frame 2 lies down and slides forward, or slides backward while standing up.
To sum up, the utility model discloses a sit to lean on frame and put leg frame linkage chair realize sitting to lean on the frame and put leg frame linkage function's prerequisite under, the structure of linkage subassembly is simpler, and the dismouting is swift, the assembly of being convenient for, maintenance chair complete machine. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may 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 chair with a linked backrest frame and a leg rest frame is characterized by comprising:
the device comprises a base (1), wherein a track (11) is arranged on the base (1);
the seat and backrest frame (2) is arranged on the track (11) in a sliding mode through the rollers (21);
the leg rest (3), the leg rest (3) is arranged on the seat and back frame (2) in a swinging way;
linkage subassembly (4), linkage subassembly (4) are including sitting and leaning on frame connecting plate (41), put leg lifting lever (42) and push-and-pull connecting rod (43), sit and lean on frame connecting plate (41) and sit and lean on frame (2) and can dismantle and be connected, put leg lifting lever (42) and sit and lean on frame connecting plate (41) and rotate and be connected, and put leg lifting lever (42) and the junction of sitting and leaning on frame connecting plate (41) constitute the fulcrum, put leg lifting lever (42) and rotate the setting on base (1) from the first end that the fulcrum is far away can be slided from top to bottom, put leg lifting lever (42) and rotate with the first end of push-and-pull connecting rod (43) from the second end that the fulcrum is close, the second end of push-and-pull connecting rod (43) rotates with putting leg frame (3) detachably and.
2. A chair having a seat and leg rest linkage according to claim 1, wherein: the linkage assembly (4) further comprises a leg placing frame connecting plate (44), the leg placing frame connecting plate (44) is rotatably connected with the second end of the push-pull connecting rod (43), and the leg placing frame connecting plate (44) is detachably connected with the leg placing frame (3).
3. A chair having a seat and leg rest linkage according to claim 1, wherein: the chair with the linkage of the seat-back frame and the leg rest frame further comprises a driving device (5), the driving device (5) is arranged on the base (1), and the driving device (5) drives the seat-back frame (2) to incline along the track (11).
4. A chair having a seat and leg rest linkage according to claim 1, wherein: the back of the seat frame (2) is provided with a roller mounting rod (22) extending downwards, and the roller (21) is arranged on the roller mounting rod (22).
5. A chair having a seat and leg rest linkage according to claim 1, wherein: the first end of the leg-placing lifting lever (42) is provided with a sliding shaft (423), the base (1) is provided with a sliding groove (12) extending up and down, and the sliding shaft (423) is arranged in the sliding groove (12) in a sliding manner.
6. A chair having a seat and leg rest linkage according to claim 1, wherein: the seat and back frame (2) comprises a backrest part and a sitting part, wherein the sitting part is integrally formed on the backrest part.
7. A chair having a seat and leg rest linkage according to claim 1, wherein: the base (1) comprises a supporting frame (13), a plurality of supporting upright columns (14) are arranged on two opposite sides of the supporting frame (13), the number of the tracks (11) is two, and each track (11) is connected with all the supporting upright columns (14) located on the same side.
8. A chair having a seat and leg rest linkage according to claim 1, wherein: put leg lifting lever (42) and constitute by power pole portion (421) and resistance pole portion (422), power pole portion (421) are the V font, and resistance pole portion (422) are the linear type.
9. A chair having a seat and leg rest linkage according to claim 1, wherein: the track (11) is shaped like Contraband, the track (11) comprises a top wall, a bottom wall and side walls, and the rollers (21) are positioned in a sliding channel jointly limited by the top wall, the bottom wall and the side walls.
10. A chair as claimed in claim 3, wherein: the driving device (5) comprises a telescopic driving cylinder (51), the first end of the telescopic driving cylinder (51) is rotatably connected with the seat frame (2), and the second end of the telescopic driving cylinder (51) is rotatably connected with the base (1).
CN201920426684.XU 2019-03-29 2019-03-29 Chair with linked seat-back frame and leg rest Active CN210204063U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920426684.XU CN210204063U (en) 2019-03-29 2019-03-29 Chair with linked seat-back frame and leg rest

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920426684.XU CN210204063U (en) 2019-03-29 2019-03-29 Chair with linked seat-back frame and leg rest

Publications (1)

Publication Number Publication Date
CN210204063U true CN210204063U (en) 2020-03-31

Family

ID=69922305

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920426684.XU Active CN210204063U (en) 2019-03-29 2019-03-29 Chair with linked seat-back frame and leg rest

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112869447A (en) * 2021-02-03 2021-06-01 恒林家居股份有限公司 Massage chair
CN112932127A (en) * 2021-02-03 2021-06-11 恒林家居股份有限公司 Adjusting mechanism and chair
CN114344070A (en) * 2021-12-10 2022-04-15 恒林家居股份有限公司 Massage chair

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112869447A (en) * 2021-02-03 2021-06-01 恒林家居股份有限公司 Massage chair
CN112932127A (en) * 2021-02-03 2021-06-11 恒林家居股份有限公司 Adjusting mechanism and chair
CN114344070A (en) * 2021-12-10 2022-04-15 恒林家居股份有限公司 Massage chair
CN114344070B (en) * 2021-12-10 2024-05-17 恒林家居股份有限公司 Massage chair

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