CN220332526U - Backrest and leg support linkage type seat - Google Patents
Backrest and leg support linkage type seat Download PDFInfo
- Publication number
- CN220332526U CN220332526U CN202322014196.7U CN202322014196U CN220332526U CN 220332526 U CN220332526 U CN 220332526U CN 202322014196 U CN202322014196 U CN 202322014196U CN 220332526 U CN220332526 U CN 220332526U
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- assembly
- backrest
- connecting rod
- leg
- support
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- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a backrest and leg support linkage type seat which comprises a backrest assembly, a cushion assembly, a backrest angle adjuster and a leg support assembly, wherein the upper part of the leg support assembly is connected with the front part of the cushion assembly, the lower part of the backrest assembly is connected with the rear part of the cushion assembly, and the backrest angle adjuster can be used for adjusting the rotation angle of the backrest assembly; the backrest assembly comprises a backrest assembly, a backrest, a leg support assembly, a linkage mechanism and a support assembly, wherein the backrest assembly is arranged on the backrest assembly; when the backrest assembly rotates backwards, the backrest assembly drives the linkage mechanism to move forwards, and the linkage mechanism pushes the leg support assembly to rotate forwards and upwards. The utility model can realize the linkage of the backrest assembly and the leg support structure, is convenient for passengers to sit normally or recline and lie, does not need to adjust the angle of the leg support assembly by a motor, and has simple structure and low cost.
Description
Technical Field
The utility model relates to an automobile seat, in particular to a backrest and leg support linkage type seat.
Background
The automobile seat leg support can provide support for the legs of passengers, can relieve fatigue of the passengers and improve riding comfort. At present, leg support mechanisms are increasingly applied to automobile seats, but the existing leg supports are driven by motors, so that the structure is complex and the cost is high, and the seats with the leg supports on the market are commonly used on medium-high-grade vehicles, so that popularization and promotion are not facilitated.
CN214564835U discloses a leg rest for an automobile seat, comprising a seat connecting assembly, a leg rest assembly, an unlocking assembly, a driving assembly and two groups of four-bar mechanisms; the two groups of four-bar mechanisms are oppositely arranged and are arranged at intervals along the left-right direction, and each group of four-bar mechanisms comprises a first connecting bar, a second connecting bar, a third connecting bar and a fourth connecting bar; the unlocking component can lock an included angle between the third connecting rod and the seat connecting component; the drive assembly includes a booster spring, a sprung mount and an unsprung mount, the booster spring having a tendency to move such that an included angle of the second link with the third link becomes smaller when the leg rest assembly is in the stowed condition. The automobile seat leg rest can unfold the leg supporting plate through the booster spring, the unfolding and the retracting actions are stable, and the final unfolding state of the leg supporting plate can be adjusted. Needless to say, the technical solution disclosed in the above patent document is a beneficial attempt in the technical field, but the backrest and the leg rest cannot be linked.
Disclosure of Invention
Accordingly, the utility model aims to provide a backrest and leg support linkage type seat, which can realize linkage of a backrest assembly and a leg support structure, is convenient for passengers to sit normally or recline and lie, does not need to adjust the angle of the leg support assembly through a motor, and has simple structure and low cost.
The utility model relates to a backrest and leg support linkage type seat which comprises a backrest assembly, a cushion assembly, a backrest angle adjuster and a leg support assembly, wherein the upper part of the leg support assembly is connected with the front part of the cushion assembly, the lower part of the backrest assembly is connected with the rear part of the cushion assembly, and the backrest angle adjuster can be used for adjusting the rotation angle of the backrest assembly; the backrest assembly comprises a backrest assembly, a backrest, a leg support assembly, a linkage mechanism and a support assembly, wherein the backrest assembly is arranged on the backrest assembly; when the backrest assembly rotates backwards, the backrest assembly drives the linkage mechanism to move forwards, and the linkage mechanism pushes the leg support assembly to rotate forwards and upwards; when the backrest assembly rotates forwards, the backrest assembly drives the linkage mechanism to move backwards, and the linkage mechanism pulls the leg support assembly to rotate backwards and downwards.
Further, the backrest assembly includes a backrest frame; the linkage mechanism comprises an arc-shaped support and a force transmission support, wherein the concave surface of the arc-shaped support is positioned on one side close to the cushion assembly, the convex surface of the arc-shaped support is positioned on one side far away from the cushion assembly, the upper portion of the arc-shaped support is fixedly connected with the lower portion of the backrest framework, the lower portion of the arc-shaped support is fixedly connected with the rear portion of the force transmission support, and the front portion of the force transmission support is rotatably connected with the leg support assembly.
Further, the arc-shaped support is provided with two at intervals along the left-right direction, the force transmission support comprises a connecting rod and two force transmission rods respectively arranged on the left side and the right side of the connecting rod, and the rear parts of the two force transmission rods are respectively connected with the lower parts of the two arc-shaped supports.
Further, the cushion assembly comprises a cushion skeleton; the front portion of cushion skeleton is provided with the mount pad, the leg holds in the palm the assembly and includes leg support backing plate, link assembly and leg support installation tube, the leg support installation tube with mount pad fixed connection, the leg support backing plate pass through link assembly with leg support installation tube coupling.
Further, the connecting rod assembly comprises a connecting support and two connecting rod components, wherein the two connecting rod components are respectively arranged at the left side and the right side of the connecting support.
Further, the two connecting rod members comprise a first fixed connecting rod, a second fixed connecting rod, a first rotating connecting rod, a second rotating connecting rod, a third rotating connecting rod, a fourth rotating connecting rod and a mounting bracket; the rear part of the first fixed connecting rod and the upper part of the second fixed connecting rod are fixedly connected with the leg support mounting pipe;
the upper part of the first rotating connecting rod is hinged with the front part of the first fixed connecting rod, the middle part of the first rotating connecting rod is connected with the middle part of the third rotating connecting rod, and the lower part of the first rotating connecting rod is hinged with the rear part of the fourth rotating connecting rod;
the upper part of the second rotating connecting rod is hinged with the lower part of the second fixed connecting rod, and the lower part of the second rotating connecting rod is connected with the rear part of the third rotating connecting rod; the front part of the third rotating connecting rod and the front part of the fourth rotating connecting rod are connected with the mounting bracket.
Further, the linking bridge includes the support mobile jib and follows left and right directions interval and set up two connection lugs on the support mobile jib, both ends about the support mobile jib respectively with two the lower part fixed connection of first rotation connecting rod, two the connection lug respectively with link gear articulates.
Further, the leg support pad plate comprises a pad plate and a leg support pad, wherein the pad plate is fixedly connected with the mounting bracket, and the leg support pad is arranged on the front side of the pad plate.
Further, the leg support pad is provided with a groove for accommodating the pad mounting plate, and a plurality of fixing buckles and a plurality of positioning pins are arranged in the groove.
The beneficial effects of the utility model are as follows:
(1) The utility model realizes the linkage of the backrest assembly and the leg support structure through the linkage mechanism, is convenient for passengers to sit normally or recline and lie, does not need to adjust the angle of the leg support assembly through a motor, and has simple structure and low cost;
(2) When the backrest framework rotates backwards, the lower part of the backrest framework drives the arc-shaped support to rotate, and the lower part of the arc-shaped support moves forwards, so that the force transmission support is driven to move forwards, and further forward thrust can be provided for the leg support assembly; when the backrest framework rotates forwards, the lower part of the backrest framework drives the arc-shaped support to rotate, and the lower part of the arc-shaped support moves backwards, so that the force transmission support is driven to move backwards, and further, a backward pulling force can be provided for the leg support assembly.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present utility model more clear, the present utility model provides the following drawings for description:
FIG. 1 is a schematic view of the structure of the present utility model (for sitting);
FIG. 2 is a schematic view of the structure of the present utility model (for recumbent position);
FIG. 3 is a schematic view of the internal skeleton of the present utility model;
FIG. 4 is an exploded view of the internal framework of the present utility model;
FIG. 5 is a second schematic view of the internal skeleton of the present utility model;
FIG. 6 is an enlarged partial schematic view of the periphery of the leg rest assembly of the present utility model;
FIG. 7 is a schematic view of the mating relationship of the pad mounting plate and the leg support pad of the present utility model;
fig. 8 is a schematic structural view of the leg support pad of the present utility model.
The figures are marked as follows:
1-a backrest assembly, 11-a backrest frame;
2-cushion assembly, 21-cushion framework and 22-mounting seat;
3-backrest angle adjuster;
4-leg rest assembly, 41-leg rest pad, 411-pad mounting plate, 412-leg rest pad, 4121-fixing buckle, 4122-locating pin, 42-link assembly, 421-connecting bracket, 4211-bracket main rod, 4212-connecting lug, 422-link member, 4221-first fixed link, 4222-second fixed link, 4223-first rotating link, 4224-second rotating link, 4225-third rotating link, 4226-fourth rotating link, 4227-mounting bracket, 43-leg rest mounting tube;
the device comprises a 5-linkage mechanism, a 51-arc-shaped bracket, a 52-force transmission bracket, a 521-connecting rod and a 522-force transmission rod.
Detailed Description
The technical scheme of the utility model is described in detail below with reference to the accompanying drawings and examples.
As shown in fig. 1 to 8, a backrest and leg rest linkage type seat in this embodiment includes a backrest assembly 1, a seat cushion assembly 2, a backrest angle adjuster 3, and a leg rest assembly 4, wherein an upper portion of the leg rest assembly 4 is connected with a front portion of the seat cushion assembly 2, a lower portion of the backrest assembly 1 is connected with a rear portion of the seat cushion assembly 2, and the backrest angle adjuster 3 can be used for adjusting a rotation angle of the backrest assembly 1; the backrest seat comprises a backrest assembly 1, a backrest seat body and a leg rest assembly 4, and is characterized by further comprising a linkage mechanism 5, wherein the rear part of the linkage mechanism 5 is connected with the backrest seat 1, and the front part of the linkage mechanism 5 is connected with the leg rest assembly 4; when the backrest assembly 1 rotates backwards, the backrest assembly 1 drives the linkage mechanism 5 to move forwards, and the linkage mechanism 5 pushes the leg rest assembly 4 to rotate forwards and upwards; when the backrest assembly 1 rotates forwards, the backrest assembly 1 drives the linkage mechanism 5 to move backwards, and the linkage mechanism 5 pulls the leg rest assembly 4 to rotate backwards and downwards.
In the normal running process of the vehicle, the passenger sits in a sitting position, the backrest assembly 1 is used for providing support for the back of the passenger, and the leg rest assembly 4 in a vertical posture is positioned at the front part of the cushion assembly 2; when the vehicle stops and the passenger needs to rest, the passenger rotates the backrest assembly 1 backwards through the backrest angle adjuster 3 so as to facilitate the passenger to recline and lie, at the moment, the backrest assembly 1 drives the linkage mechanism 5 to move backwards, and the linkage mechanism 5 pushes the leg support assembly 4 to rotate forwards and upwards, so that the leg support assembly 4 is converted into a posture of inclining forwards from top to bottom from vertical, the support can be provided for the legs of the passenger lying backwards, the fatigue of the passenger can be relieved, and the riding comfort is improved; after the passenger is resting, the passenger rotates the backrest assembly 1 forward through the backrest angle adjuster 3, and at the moment, the backrest assembly 1 drives the linkage mechanism 5 to move backward, and the linkage mechanism 5 pulls the leg support assembly 4 to rotate backward and downward, so that the leg support assembly 4 is changed into a vertical posture, the passenger can sit on the cushion assembly 2 in a sitting posture conveniently, and the leg support assembly 4 is prevented from affecting the passenger. The leg support assembly 4 is linked with the backrest assembly 1, so that passengers can sit normally or recline and lie down conveniently, and compared with the traditional angle of the leg support assembly 4 adjusted through a motor, the backrest and leg support linkage type seat of the embodiment does not need to adjust the angle of the leg support assembly 4 through the motor, and is simple in structure and low in cost.
In this embodiment, the backrest assembly 1 includes a backrest frame 11; the linkage mechanism 5 comprises an arc-shaped support 51 and a force transmission support 52, wherein the concave surface of the arc-shaped support 51 is positioned on one side close to the cushion assembly 2, the convex surface of the arc-shaped support 51 is positioned on one side far away from the cushion assembly 2, the upper portion of the arc-shaped support 51 is fixedly connected with the lower portion of the backrest frame 11, the lower portion of the arc-shaped support 51 is fixedly connected with the rear portion of the force transmission support 52, and the front portion of the force transmission support 52 is rotatably connected with the leg rest assembly 4. The force transmission bracket 52 is positioned below the cushion framework 21, the rotation center of the backrest framework 11 is positioned between the backrest framework 11 and the cushion framework 21, when the backrest framework 11 rotates backwards, the lower part of the backrest framework 11 drives the arc-shaped bracket 51 to rotate, and the lower part of the arc-shaped bracket 51 moves forwards, so that the force transmission bracket 52 is driven to move forwards, and forward thrust can be provided for the leg rest assembly 4; when the backrest frame 11 rotates forwards, the lower part of the backrest frame 11 drives the arc-shaped support 51 to rotate, and the lower part of the arc-shaped support 51 moves backwards, so that the force transmission support 52 is driven to move backwards, and further, a backward pulling force can be provided for the leg rest assembly 4.
In this embodiment, two arc-shaped brackets 51 are disposed at intervals along the left-right direction, the force transmission bracket 52 includes a connecting rod 521 and two force transmission rods 522 disposed on the left and right sides of the connecting rod 521, and the rear parts of the two force transmission rods 522 are connected to the lower parts of the two arc-shaped brackets 51. The connecting rod 521 and the two force transfer rods 522 form a U-shaped structure, so that the two force transfer rods 522 can move synchronously.
In this embodiment, the seat cushion assembly 2 includes a seat cushion frame 21; the front portion of the cushion framework 21 is provided with a mounting seat 22, the leg support assembly 4 comprises a leg support base plate 41, a connecting rod assembly 42 and a leg support mounting pipe 43, the leg support mounting pipe 43 is fixedly connected with the mounting seat 22, and the leg support base plate 41 is connected with the leg support mounting pipe 43 through the connecting rod assembly 42. The arc-shaped groove is arranged on the mounting seat 22, and the leg support mounting tube 43 is in fit connection with the arc-shaped groove in a shape-fit mode and then is connected with the arc-shaped groove in a welding mode, so that the leg support assembly 4 is fixed.
In this embodiment, the link assembly 42 includes a connection bracket 421 and two link members 422, and the two link members 422 are disposed on the left and right sides of the connection bracket 421.
In this embodiment, the two link members 422 each include a first fixed link 4221, a second fixed link 4222, a first rotating link 4223, a second rotating link 4224, a third rotating link 4225, a fourth rotating link 4226, and a mounting bracket 4227; the rear part of the first fixed link 4221 and the upper part of the second fixed link 4222 are fixedly connected with the leg rest mounting tube 43;
the upper part of the first rotation link 4223 is hinged to the front part of the first fixed link 4221, the middle part of the first rotation link 4223 is connected to the middle part of the third rotation link 4225, and the lower part of the first rotation link 4223 is hinged to the rear part of the fourth rotation link 4226;
the upper part of the second rotation link 4224 is hinged to the lower part of the second fixed link 4222, and the lower part of the second rotation link 4224 is connected to the rear part of the third rotation link 4225; the front portion of the third pivot link 4225 and the front portion of the fourth pivot link 4226 are connected to the mounting bracket 4227.
In this embodiment, the connecting bracket 421 includes a bracket main rod 4211 and two connecting lugs 4212 disposed on the bracket main rod 4211 at intervals along a left-right direction, the left-right ends of the bracket main rod 4211 are respectively fixedly connected with the lower parts of the two first rotating connecting rods 4223, and the two connecting lugs 4212 are respectively hinged with the linkage mechanism 5.
The two connecting lugs 4212 are respectively hinged with the two dowel bars 522, the dowel bars 522 can drive the connecting support 421 to integrally move through the connecting lugs 4212, the connecting support 421 can drive the first rotating connecting rod 4223 to rotate, the hinged position of the first rotating connecting rod 4223 and the first fixed connecting rod 4221 is the rotation center of the first rotating connecting rod 4223, the first rotating connecting rod 4223 rotates and simultaneously drives the second rotating connecting rod 4224, the third rotating connecting rod 4225 and the fourth rotating connecting rod 4226 to rotate, so that the inclination degree of the mounting support 4227 is changed, and the angle of the leg support pad 41 is changed.
In this embodiment, the leg rest pad 41 includes a pad mounting plate 411 and a leg support pad 412, the pad mounting plate 411 is fixedly connected with the mounting bracket 4227, and the leg support pad 412 is disposed on the front side of the pad mounting plate 411. The leg support pad 412 can provide softer support for the passenger, promote comfort, and simultaneously ensure the attractive appearance of the leg rest assembly 4.
In this embodiment, the leg support pad 412 is provided with a groove for accommodating the pad mounting plate 411, and a plurality of fixing buckles 4121 and a plurality of positioning pins 4122 are disposed in the groove. The pad mounting plate 411 is provided with clamping holes corresponding to the fixing buckles 4121, and the pad mounting plate 411 is provided with positioning holes corresponding to the positioning pins 4122.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (9)
1. The utility model provides a back and leg hold in palm coordinated type seat, includes back assembly (1), cushion assembly (2), back angle modulation ware (3) and leg holds in the palm assembly (4), the upper portion that leg held in the palm assembly (4) with the front portion of cushion assembly (2) is connected, the lower part of back assembly (1) with the rear portion of cushion assembly (2) is connected, back angle modulation ware (3) can be used for adjusting the rotation angle of back assembly (1), its characterized in that: the novel leg rest comprises a backrest assembly (1) and is characterized by further comprising a linkage mechanism (5), wherein the rear part of the linkage mechanism (5) is connected with the backrest assembly (1), and the front part of the linkage mechanism (5) is connected with the leg rest assembly (4); when the backrest assembly (1) rotates backwards, the backrest assembly (1) drives the linkage mechanism (5) to move forwards, and the linkage mechanism (5) pushes the leg rest assembly (4) to rotate forwards and upwards; when the backrest assembly (1) rotates forwards, the backrest assembly (1) drives the linkage mechanism (5) to move backwards, and the linkage mechanism (5) pulls the leg support assembly (4) to rotate backwards and downwards.
2. The backrest and leg rest ganged chair of claim 1, wherein: the backrest assembly (1) comprises a backrest framework (11); the linkage mechanism (5) comprises an arc-shaped support (51) and a force transmission support (52), wherein the concave surface of the arc-shaped support (51) is located near one side of the cushion assembly (2), the convex surface of the arc-shaped support (51) is located far away from one side of the cushion assembly (2), the upper portion of the arc-shaped support (51) is fixedly connected with the lower portion of the backrest frame (11), the lower portion of the arc-shaped support (51) is fixedly connected with the rear portion of the force transmission support (52), and the front portion of the force transmission support (52) is rotatably connected with the leg support assembly (4).
3. The backrest and leg rest ganged chair of claim 2, wherein: the arc-shaped brackets (51) are arranged at intervals in the left-right direction, the force transfer brackets (52) comprise connecting rods (521) and two force transfer rods (522) which are respectively arranged on the left side and the right side of the connecting rods (521), and the rear parts of the two force transfer rods (522) are respectively connected with the lower parts of the two arc-shaped brackets (51).
4. The backrest and leg rest ganged chair of claim 1, wherein: the cushion assembly (2) comprises a cushion framework (21); the front portion of cushion skeleton (21) is provided with mount pad (22), leg holds in the palm assembly (4) including leg holds in the palm backing plate (41), link assembly (42) and leg holds in the palm mounting tube (43), leg hold in the palm mounting tube (43) with mount pad (22) fixed connection, leg hold in the palm backing plate (41) through link assembly (42) with leg hold in the palm mounting tube (43) and be connected.
5. The backrest and legrest linkage seat of claim 4, wherein: the connecting rod assembly (42) comprises a connecting support (421) and two connecting rod components (422), wherein the two connecting rod components (422) are respectively arranged on the left side and the right side of the connecting support (421).
6. The backrest and legrest linkage seat of claim 5, wherein: both the connecting rod members (422) comprise a first fixed connecting rod (4221), a second fixed connecting rod (4222), a first rotating connecting rod (4223), a second rotating connecting rod (4224), a third rotating connecting rod (4225), a fourth rotating connecting rod (4226) and a mounting bracket (4227); the rear part of the first fixed connecting rod (4221) and the upper part of the second fixed connecting rod (4222) are fixedly connected with the leg support mounting pipe (43);
the upper part of the first rotating connecting rod (4223) is hinged with the front part of the first fixed connecting rod (4221), the middle part of the first rotating connecting rod (4223) is connected with the middle part of the third rotating connecting rod (4225), and the lower part of the first rotating connecting rod (4223) is hinged with the rear part of the fourth rotating connecting rod (4226);
the upper part of the second rotating connecting rod (4224) is hinged with the lower part of the second fixed connecting rod (4222), and the lower part of the second rotating connecting rod (4224) is connected with the rear part of the third rotating connecting rod (4225); the front part of the third rotary connecting rod (4225) and the front part of the fourth rotary connecting rod (4226) are connected with the mounting bracket (4227).
7. The backrest and leg rest ganged chair of claim 6, wherein: the connecting support (421) comprises a support main rod (4211) and two connecting lugs (4212) which are arranged on the support main rod (4211) at intervals along the left-right direction, wherein the left end and the right end of the support main rod (4211) are respectively fixedly connected with the lower parts of the two first rotating connecting rods (4223), and the two connecting lugs (4212) are respectively hinged with the linkage mechanism (5).
8. The backrest and leg rest ganged chair of claim 6, wherein: the leg support pad plate (41) comprises a pad plate mounting plate (411) and a leg support pad (412), wherein the pad plate mounting plate (411) is fixedly connected with the mounting bracket (4227), and the leg support pad (412) is arranged on the front side of the pad plate mounting plate (411).
9. The backrest and leg rest ganged chair of claim 8, wherein: the leg support pad (412) is provided with a groove for accommodating the pad mounting plate (411), and a plurality of fixing buckles (4121) and a plurality of positioning pins (4122) are arranged in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322014196.7U CN220332526U (en) | 2023-07-28 | 2023-07-28 | Backrest and leg support linkage type seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322014196.7U CN220332526U (en) | 2023-07-28 | 2023-07-28 | Backrest and leg support linkage type seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220332526U true CN220332526U (en) | 2024-01-12 |
Family
ID=89444556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322014196.7U Active CN220332526U (en) | 2023-07-28 | 2023-07-28 | Backrest and leg support linkage type seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220332526U (en) |
-
2023
- 2023-07-28 CN CN202322014196.7U patent/CN220332526U/en active Active
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