CN220682366U - Zero gravity seat for railway vehicle - Google Patents
Zero gravity seat for railway vehicle Download PDFInfo
- Publication number
- CN220682366U CN220682366U CN202322005669.7U CN202322005669U CN220682366U CN 220682366 U CN220682366 U CN 220682366U CN 202322005669 U CN202322005669 U CN 202322005669U CN 220682366 U CN220682366 U CN 220682366U
- Authority
- CN
- China
- Prior art keywords
- framework
- cushion
- skeleton
- housing
- leg support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005484 gravity Effects 0.000 title claims abstract description 24
- 230000008093 supporting effect Effects 0.000 claims description 10
- 230000006978 adaptation Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract 1
- 230000036544 posture Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Landscapes
- Seats For Vehicles (AREA)
Abstract
The technical scheme of the utility model discloses a zero gravity seat for a railway vehicle, which comprises a backrest framework, a cushion framework, a leg support framework, a housing framework and a shell; the back skeleton lower extreme fixed link I, cushion skeleton rear end fixed link II, link I and link II are articulated, cushion skeleton front end and leg support skeleton are articulated, the housing skeleton sets up in the outside of cushion skeleton and back skeleton, the shell sets up the rear side and the left and right sides at housing skeleton, housing skeleton upper portion sets up the arc spout, the lower part sets up sharp spout, back skeleton middle part sets up the locating wheel, locating wheel and arc spout looks adaptation, link II's outside sets up the gear, the gear sets up the rack with sharp spout looks adaptation, the downside of sharp spout sets up the rack, the articulated backup pad of front portion downside of cushion skeleton, the lower part installation slide rail of backup pad, housing skeleton upper mounting cushion motor, the last leg support motor of cushion skeleton, realize the zero gravity state of seat, and rigidity is big, the seat angle is adjusted in-process and is rocked little.
Description
Technical Field
The utility model relates to the technical field of railway vehicle seats, in particular to a zero gravity seat for a railway vehicle.
Background
With the development of railway vehicle technology, the requirements of passengers on the comfort level of seats are higher, the comfort level of the seats in the commercial district of the railway vehicle is higher at present, but the inclination angles of the seat cushion and the backrest of the seats in the commercial district are adjustable, so that sitting and lying postures of the seats are realized, but the seat cushion can only move in the front-back direction generally, and the adjustment of the inclination angle of the seat cushion cannot be realized. Patent CN 112537329a discloses a seat with adjustable sitting and lying state in a commercial area of a railway vehicle, wherein the left end and the right end of a base are provided with curve sliding grooves, and the rear end of a cushion framework is connected with rollers; the lower side of the cushion framework is connected with a supporting plate, and a three-level sliding rail and a rack are arranged at the lower part of the supporting plate; the front end of the seat translation motor is connected with a gear rotating shaft, gears are fixed at the left end and the right end of the gear rotating shaft, and the gears are meshed with the racks; the ejector rod is connected to leg rest motor front end, and the ejector rod front end is connected with leg rest skeleton, makes cushion skeleton rear end rise when the state of lying entirely through the setting of spout shape for the angle of cushion skeleton under position of sitting, semi-lying and the state of lying entirely is more comfortable, but drives the back skeleton and removes when realizing through the connecting rod structure that the cushion skeleton reciprocates, can produce rocking of seat easily. Therefore, there is a need to develop a seat with a structure that is small in rocking when the sitting and lying state of the seat is adjusted.
Disclosure of Invention
In order to solve the technical problems in the prior art, the utility model provides the zero-gravity seat for the railway vehicle, which is characterized in that the angle adjustment of the cushion framework and the backrest framework is realized by mutually matching the arc-shaped sliding groove of the housing framework with the linear sliding groove, the positioning wheel, the gear, the rack, the supporting plate and the like, the zero-gravity state of the seat is realized, the rigidity is high, and the shaking is small in the process of adjusting the angle of the seat.
The technical scheme of the utility model is as follows: a zero gravity seat for a railway vehicle comprises a backrest framework, a cushion framework, a leg support framework, a housing framework and a shell; the lower end of the backrest framework is fixed with a connecting rod I, the rear end of the cushion framework is fixed with a connecting rod II, the connecting rod I is hinged with the connecting rod II, and the front end of the cushion framework is hinged with the leg support framework; the housing skeleton sets up in the outside of cushion skeleton and back skeleton, the shell sets up in the rear side and the left and right sides of housing skeleton, housing skeleton is type L structure, with back skeleton and cushion skeleton structure looks adaptation, the upper portion of housing skeleton sets up the arc spout, the lower part of housing skeleton sets up the straight line spout, arc spout and straight line spout all from the top down extend, and extend forward from the back, the middle part of back skeleton sets up the locating wheel, locating wheel and arc spout looks adaptation, the locating wheel slides along the arc spout, connecting rod II's outside sets up the gear, the gear passes through the gear shaft and connects, the gear shaft is installed on connecting rod II, gear and straight line spout looks adaptation, the gear slides along the straight line spout, the downside of straight line spout sets up the rack, gear and rack engagement, the front portion downside of cushion skeleton articulates the backup pad, the one end and the backup pad of backup pad are fixed, the other end and the housing skeleton of slide rail are fixed, the last cushion motor of installing of housing skeleton, cushion motor is connected to the front end of cushion motor, the last leg motor that installs of cushion, the leg motor holds in the front end connection of leg motor holds up the backup frame.
Further, the rack is fixed on the outer side of the housing framework, and the length of the rack is the same as that of the linear chute.
Further, the sliding rail is arranged at the lower side of the linear sliding groove.
Further, the rear end of the leg support framework is fixed with a leg support rotating hook piece, and the leg support rotating hook piece is hinged with the cushion framework.
Further, the shell framework and the housing framework are fixed on the vehicle body base.
Further, the lower side of the cushion framework is provided with a spring, one end of the spring is fixed with the cushion framework, and the other end of the spring is fixed with the leg support framework.
The working principle of the zero gravity seat of the railway vehicle is as follows: the cushion motor operation drives the cushion skeleton and moves forward, for backup pad and connecting rod II exert forward force, and the backup pad is along the slide rail and is moved forward, and connecting rod II drives the gear and moves forward, because the gear is spacing by sharp spout and rack, leads to the gear to move down along the while that sharp spout moved forward to the front portion of cushion skeleton is moved down when driving the cushion skeleton rear portion and is moved forward, and the front portion of cushion skeleton upwards inclines under the supporting role of backup pad, accomplishes the angle modulation of cushion skeleton. When the connecting rod II receives forward force, the connecting rod I is driven to move forward, so that the backrest framework is driven to move forward, the positioning wheels on the backrest framework move downwards along the arc-shaped sliding grooves, the backrest framework is limited to move along the shape of the arc-shaped sliding grooves, and the backrest framework and the connecting rod I realize the angle adjustment of upward inclination of the lower part of the backrest framework when the backrest framework moves downwards under the double action force of limiting of the connecting rod II and the arc-shaped sliding grooves. Meanwhile, the seat cushion framework moves forwards to drive the leg support motor to move forwards, so that the relative positions of the leg support motor and the leg support framework are unchanged, the leg support motor operates to apply forward force to the leg support framework, and the leg support framework rotates upwards to be parallel to the seat cushion framework through the leg support rotating hook piece. In conclusion, the zero gravity state of the seat is realized through the angle adjustment of the cushion framework, the backrest framework and the leg support framework. In addition, the moving track of the backrest framework is limited through the arc-shaped sliding groove, so that the backrest framework can not collide with the shell when the angle is adjusted, gaps between the backrest framework and the shell are reduced, and the backrest framework and the shell are more attached.
By adopting the technical scheme, the utility model has the following beneficial effects:
(1) According to the utility model, the zero gravity state and the sitting posture state of the seat are adjusted, the comfort level of the seat is improved, the seat cushion is driven by the seat cushion motor to move forwards, the angle of the seat cushion framework is adjusted and limited by the supporting plate, the gear, the linear sliding groove and the rack, and the angle of the backrest framework is adjusted and limited by the cooperation of the arc sliding groove, the positioning wheel, the connecting rod I and the connecting rod II, so that the seat cannot collide with the shell during the adjustment of the zero gravity state, the gap between the backrest framework and the shell is reduced, the occupied space is small, and sundries are prevented from falling.
(2) The positioning wheel is limited through the arc-shaped sliding groove, the gear is positioned through the linear sliding groove and the rack, the use of a connecting rod structure is reduced, the rigidity of the whole structure is improved, and the shaking of the seat is reduced in the process of adjusting the zero gravity state and the sitting posture.
(3) Simple structure, easy operation, low fault and long service life.
Drawings
FIG. 1 is an exploded view of the structure of the present utility model;
FIG. 2 is a schematic view of a seat according to the present utility model in a sitting position;
FIG. 3 is a schematic view of the chair of the present utility model in a zero gravity state;
FIG. 4 is a schematic view of the structure of the shell and back frame of the seat of the present utility model in a sitting position;
fig. 5 is a schematic view of the structure of the shell and the back frame when the seat of the present utility model is in a zero gravity state.
In the figure, a backrest framework 1, a cushion framework 2, a leg support framework 3, a housing framework 4, a housing 5, a connecting rod I6, a connecting rod II 7, an arc chute 8, a linear chute 9, a positioning wheel 10, a gear 11, a gear rotating shaft 12, a rack 13, a support plate 14, a slide rail 15, a cushion motor 16, a leg support motor 17, a leg support rotating hook 18 and a spring 19.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
Example 1
Referring to fig. 1 to 5, a zero gravity seat for a railway vehicle includes a backrest frame 1, a seat cushion frame 2, a leg rest frame 3, a cover frame 4, and a housing 5; the lower end of the backrest framework 1 is fixed with a connecting rod I6, the rear end of the cushion framework 2 is fixed with a connecting rod II 7, the connecting rod I6 is hinged with the connecting rod II 7, and the front end of the cushion framework 2 is hinged with the leg support framework 3; the housing framework 4 is arranged on the outer sides of the cushion framework 2 and the backrest framework 1, the shell 5 is arranged on the rear side and the left side and the right side of the housing framework 4, the housing framework 4 is of an L-shaped structure and is matched with the backrest framework 1 and the cushion framework 2 in structure, the arc-shaped sliding groove 8 is formed in the upper portion of the housing framework 4, the linear sliding groove 9 is formed in the lower portion of the housing framework 4, the arc-shaped sliding groove 8 and the linear sliding groove 9 extend downwards from top to bottom, the positioning wheel 10 is arranged in the middle of the backrest framework 1 and is matched with the arc-shaped sliding groove 8, the positioning wheel 10 slides along the arc-shaped sliding groove 8, the cushion framework 2 and the backrest framework 1 are connected through the connecting rod I6 and the connecting rod II 7, the cushion framework 2 and the backrest framework 1 can rotate relatively, and the cushion framework 2 and the backrest framework 1 are convenient to adjust angles respectively. The movement of the positioning wheel 10 is limited through the arc chute 8, so that the backrest frame 1 is limited, the backrest frame 1 is prevented from colliding with the shell 5 in the moving process, the backrest frame 1 and the shell 5 are guaranteed to be attached to each other as much as possible, gaps are reduced, and safety is improved. Under the combined action of the acting force of the connecting rod II 7 on the connecting rod I6 and the acting force of the arc chute 8 on the positioning wheel 10, the backrest framework 1 moves forwards and backwards and simultaneously adjusts the angle. The arc chute 8 and the positioning wheel 10 are matched with each other, so that the rigidity is good, and the shaking of the structure is reduced.
The outside of connecting rod II 7 sets up gear 11, and gear 11 passes through gear pivot 12 to be connected, and gear pivot 12 installs on connecting rod II 7, and gear 11 and sharp spout 9 looks adaptation, and gear 11 slides along sharp spout 9, and the downside of sharp spout 9 sets up rack 13, and gear 11 meshes with rack 13, thereby gear pivot 12 installs on connecting rod II 7 can drive connecting rod II 7 synchronous movement, carries out spacingly to gear 11 through sharp spout 9 and rack 13 to realize the location to connecting rod II 7, and then realize the location to cushion skeleton 2.
The front downside of cushion skeleton 2 articulates backup pad 14, and slide rail 15 is installed to the lower part of backup pad 14, and slide rail 15's one end is fixed with backup pad 14, and slide rail 15's the other end is fixed with housing skeleton 4, and cushion skeleton 2 passes through backup pad 14 and reciprocates along slide rail 15, effectively prevents cushion skeleton 2 position offset.
The seat cushion motor 16 is arranged on the housing framework 4, the front end of the seat cushion motor 16 is connected with the seat cushion framework 2, the leg support motor 17 is arranged on the seat cushion framework 2, and the front end of the leg support motor 17 is connected with the leg support framework 3. The cushion motor 16 drives the cushion framework 2 to move so as to drive the backrest framework 1 to move, and the leg support motor 17 drives the leg support framework 3 to move, so that the operation is simple.
Further, the rack 13 is fixed on the outer side of the housing framework 4, and the length of the rack 13 is the same as that of the linear chute 9. The provision of the rack 13 effectively avoids obstruction of the movement position of the gear 11.
Further, the slide rail 15 is disposed at the lower side of the linear chute 9. Avoiding mutual interference when the support plate 14 and the gear 11 are moved.
Further, the rear end of the leg rest frame 3 is fixed with a leg rest rotating hook member 18, and the leg rest rotating hook member 18 is hinged with the cushion frame 2.
Further, the housing 5 and the shell frame 4 are fixed on the vehicle body base. The back frame 1, the cushion frame 2 and the leg rest frame 3 are adjusted to be in a zero gravity state and a sitting posture state in the shell 5, and other passengers are not blocked.
Further, a spring 19 is arranged on the lower side of the cushion framework 2, one end of the spring 19 is fixed with the cushion framework 2, and the other end of the spring 19 is fixed with the leg support framework 3. When the seat is in the zero gravity state, if the leg rest motor 17 has a problem, the leg rest framework 3 can automatically restore to the sitting posture state by the acting force of the springs 19.
The working principle of the zero gravity seat of the railway vehicle is as follows: the cushion motor 16 operates to drive the cushion frame 2 to move forwards, forward force is applied to the supporting plate 14 and the connecting rod II 7, the supporting plate 14 moves forwards along the sliding rail 15, the connecting rod II 7 drives the gear 11 to move forwards, and the gear 11 moves downwards while moving forwards along the linear sliding groove 9 due to the fact that the gear 11 is limited by the linear sliding groove 9 and the rack 13, so that the rear part of the cushion frame 2 is driven to move downwards while moving forwards, the front part of the cushion frame 2 tilts upwards under the supporting action of the supporting plate 14, and the angle adjustment of the cushion frame 2 is completed. The connecting rod II 7 is driven to move forwards when being subjected to forward force, so that the backrest framework 1 is driven to move forwards, the positioning wheel 10 on the backrest framework 1 moves downwards along the arc-shaped chute 8, the backrest framework 1 is limited to move along the shape of the arc-shaped chute 8, and the backrest framework 1 and the connecting rod I6 realize upward inclination angle adjustment of the lower part of the backrest framework 1 when the backrest framework 1 moves downwards under the double limiting force of the connecting rod II 7 and the arc-shaped chute 8. Meanwhile, the seat cushion framework 2 moves forwards to drive the leg support motor 17 to move forwards, so that the relative positions of the leg support motor 17 and the leg support framework 3 are unchanged, the leg support motor 17 operates to apply forward force to the leg support framework 3, and the leg support framework 3 rotates upwards to be parallel to the seat cushion framework 2 through the leg support rotating hook piece 18. In summary, through the angular adjustment of the cushion frame 2, the backrest frame 1 and the leg rest frame 3, when the gear 11 is located at the forefront end of the linear chute 9, the positioning wheel 10 is located at the bottommost end of the arc chute 8, and a zero gravity state of the seat is realized. In addition, the moving track of the backrest framework 1 is limited through the arc-shaped sliding groove 8, so that the backrest framework 1 can not collide with the shell 5 when the angle is adjusted, the gap between the backrest framework 1 and the shell 5 is reduced, and the backrest framework 1 and the shell 5 are more attached.
Claims (6)
1. A zero gravity seat for a rail vehicle, characterized by: comprises a backrest framework (1), a cushion framework (2), a leg support framework (3), a housing framework (4) and a shell (5); the lower end of the backrest framework (1) is fixed with a connecting rod I (6), the rear end of the cushion framework (2) is fixed with a connecting rod II (7), the connecting rod I (6) is hinged with the connecting rod II (7), and the front end of the cushion framework (2) is hinged with the leg support framework (3); the housing framework (4) is arranged on the outer sides of the cushion framework (2) and the backrest framework (1), the shell (5) is arranged on the rear side and the left side and the right side of the housing framework (4), the housing framework (4) is of an L-shaped structure and is matched with the structure of the backrest framework (1) and the cushion framework (2), the upper part of the housing framework (4) is provided with the arc chute (8), the lower part of the housing framework (4) is provided with the linear chute (9), the arc chute (8) and the linear chute (9) extend downwards from top to bottom, the rear part extends forwards, the middle part of the backrest framework (1) is provided with the positioning wheel (10), the positioning wheel (10) is matched with the arc chute (8), the positioning wheel (10) slides along the arc chute (8), the outer side of the connecting rod II (7) is provided with the gear (11), the gear (11) is connected with the gear shaft (12), the gear shaft (12) is arranged on the connecting rod II (7), the gear (11) is matched with the linear chute (9), the gear (11) slides along the linear chute (9), the lower part of the linear chute (9) is provided with the gear (13) and the lower part of the support plate (14) is meshed with the lower support plate (14) of the support plate (14), the lower part of the support plate (14) is meshed with the lower support plate (14), one end of a sliding rail (15) is fixed with a supporting plate (14), the other end of the sliding rail (15) is fixed with a housing framework (4), a cushion motor (16) is installed on the housing framework (4), the front end of the cushion motor (16) is connected with a cushion framework (2), a leg support motor (17) is installed on the cushion framework (2), and the front end of the leg support motor (17) is connected with a leg support framework (3).
2. A rail vehicle zero gravity seat as claimed in claim 1, wherein: the rack (13) is fixed on the outer side of the housing framework (4), and the length of the rack (13) is the same as that of the linear chute (9).
3. A rail vehicle zero gravity seat as claimed in claim 1, wherein: the sliding rail (15) is arranged at the lower side of the linear sliding groove (9).
4. A rail vehicle zero gravity seat as claimed in claim 1, wherein: the rear end of the leg support framework (3) is fixed with a leg support rotating hook piece (18), and the leg support rotating hook piece (18) is hinged with the cushion framework (2).
5. A rail vehicle zero gravity seat as claimed in claim 1, wherein: the shell (5) and the housing framework (4) are fixed on the vehicle body base.
6. A rail vehicle zero gravity seat as claimed in claim 1, wherein: the lower side of the cushion framework (2) is provided with a spring (19), one end of the spring (19) is fixed with the cushion framework (2), and the other end is fixed with the leg support framework (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322005669.7U CN220682366U (en) | 2023-07-28 | 2023-07-28 | Zero gravity seat for railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322005669.7U CN220682366U (en) | 2023-07-28 | 2023-07-28 | Zero gravity seat for railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220682366U true CN220682366U (en) | 2024-03-29 |
Family
ID=90370253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322005669.7U Active CN220682366U (en) | 2023-07-28 | 2023-07-28 | Zero gravity seat for railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220682366U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118372204A (en) * | 2024-06-26 | 2024-07-23 | 长春富晟汽车技术研发有限公司 | Seat framework foot support mechanism integrated installation positioning clamp and method thereof |
-
2023
- 2023-07-28 CN CN202322005669.7U patent/CN220682366U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118372204A (en) * | 2024-06-26 | 2024-07-23 | 长春富晟汽车技术研发有限公司 | Seat framework foot support mechanism integrated installation positioning clamp and method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102848947B (en) | The back seat deposited regulated before and after having | |
| CN106414240B (en) | Cradle tilt mechanism for a fixed-shell aircraft seat | |
| CN100427012C (en) | Dynamically balanced seat assembly | |
| CN100471722C (en) | Vehicle seat | |
| CN220682366U (en) | Zero gravity seat for railway vehicle | |
| CN101862081B (en) | Item of seating furniture | |
| EP1074468A2 (en) | Seating unit for a passenger vehicle | |
| EP3282898B1 (en) | Dual motion sloped floor recline mechanism for a theater | |
| WO2000078185A3 (en) | Chair construction | |
| CN110435506B (en) | Zero-gravity seat and automobile comprising same | |
| WO2013106630A1 (en) | Reclining seat assembly | |
| CN113147523A (en) | Cushion inclination and seat back synchronous adjusting mechanism | |
| CN107901795B (en) | Multifunctional seat framework structure | |
| CN210881748U (en) | Connecting rod type storage seat for vehicle | |
| CN218702863U (en) | Foldable and Shu Tang improved seat frame and seat | |
| CN111098763B (en) | Slide rail hidden lying flat seat | |
| CN113116072B (en) | Seat support and seat unit for zero back clearance | |
| JPH0534449Y2 (en) | ||
| CN209063936U (en) | Child restrainnt system | |
| CN114734893B (en) | Vehicle seat | |
| CN218141180U (en) | Servo armrest framework of seat | |
| CN215244452U (en) | Cushion inclination and seat back synchronous adjusting mechanism and seat | |
| CN101795889A (en) | Vehicle seat, in particular motor vehicle seat | |
| CN218571814U (en) | Seat frame adjusting mechanism and seat | |
| CN216293552U (en) | Office chair with backrest adjusting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |