CN202806453U - Four-bar linkage long reversible seat - Google Patents
Four-bar linkage long reversible seat Download PDFInfo
- Publication number
- CN202806453U CN202806453U CN201220419038.9U CN201220419038U CN202806453U CN 202806453 U CN202806453 U CN 202806453U CN 201220419038 U CN201220419038 U CN 201220419038U CN 202806453 U CN202806453 U CN 202806453U
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- CN
- China
- Prior art keywords
- chair
- cushion
- fixed
- backrest
- lateral wall
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a four-bar linkage long reversible seat which comprises a backrest, armrests, a seat cushion and a safety belt, and further comprises a linkage mechanism, an automatic plug-pin mechanism and connecting bar mechanisms. The backrest and the seat cushion are connected through a seat hinge. The linkage mechanism is in connection with the backrest and the seat cushion, and the backrest and the seat cushion are installed on a side wall of a car through the linkage mechanism. The seat cushion is in connection with one end of each connecting bar mechanism, and the backrest is in connection with the other end of each connecting bar mechanism. The armrests are installed on the connecting bar mechanisms. The four-bar linkage long reversible seat is fixed on the side wall of the car through the automatic plug-pin mechanism when is folded. The seat cushion is abutted against the upper surface of a support frame on the bottom of the car in a horizontal state when the four-bar linkage long reversible seat is unfolded. Through the way, according to the four-bar linkage long reversible seat, linkage of the seat cushion, the backrest and the armrests can be achieved, operation is easy and convenient, besides, the four-bar linkage long reversible seat can be fixed on the side wall of the car after being folded, and therefore space is saved.
Description
Technical field
The utility model relates to the auto use chair field, particularly relates to the long tipping-up chair of a kind of four-rod linkage.
Background technology
At present, on some in-between cars, be typically provided with bench seat in the compartment, the seat great majority all are fixed sturctures, can not fold, and fixedly the shared space of seat is large, and is very difficult when needs load and transport some larger objects, even can't load; Existing folding seat operates very inconvenient, and cushion, backrest, handrail need single folding and retraction to get up, and after folding gathering the in, folding seat is appointed and so occupied many spaces.
The utility model content
The technical matters that the utility model mainly solves provides the long tipping-up chair of a kind of four-rod linkage, and existing long tipping-up chair has been carried out structure optimization, can realize the interlock of cushion, backrest and handrail, operates more simple and conveniently, and more can save the space after folding.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: provide a kind of four-rod linkage long tipping-up chair, comprise backrest, handrail, cushion and safety strap, described link gear, automatic latch and the connecting rod mechanism of also comprising; Described backrest and described cushion link together by seat hinge; Described link gear respectively with described backrest be connected cushion and be connected, and backrest and cushion are installed on the railroad car lateral wall; The two ends of described connecting rod mechanism link together with described cushion and described backrest respectively, and described handrail is installed on the described connecting rod mechanism; When drawing in, the long tipping-up chair of described four-rod linkage is fixed on the railroad car lateral wall by automatic latch; When the long tipping-up chair of described four-rod linkage launches, the be the level of state upper surface of the bracing frame that is against car bottom of described cushion.
Preferably, described link gear includes hold-down arm at the bottom of a plurality of rotary support arms and a plurality of rotation, described rotary support arm comprises the support arm that two fixed ends and two ends are flexibly connected with fixed end respectively, described two fixed ends be separately fixed on the railroad car lateral wall and the back side of backrest on; Hold-down arm includes the end hold-down arm that a fixed end, firm banking and two ends are flexibly connected with fixed end, firm banking respectively at the bottom of the described rotation, the fixed end of hold-down arm is fixed on the railroad car lateral wall at the bottom of the described rotation, and firm banking is fixed on the bottom surface of cushion.
Preferably, described automatic latch includes pin hook, upper latch, side pin hook and side latch on several; Described upper pin hook is installed in the upper end at the described backrest back side, when described upper latch is installed in the long tipping-up chair of described four-rod linkage and draws on the railroad car lateral wall corresponding with the position of described upper pin hook; Described side pin hook is installed on the cushion at described seat hinge place, when described side latch is installed in the long tipping-up chair of described four-rod linkage and draws on the railroad car lateral wall corresponding with the position of described side pin hook.
Preferably, described two linkage that include, described connecting rod mechanism is two bar linkage structures that first connecting rod and second connecting rod form; Described first connecting rod is connected with the side of described backrest, and described second connecting rod is connected with the side of described cushion; When the long tipping-up chair of described four-rod linkage launched, described first connecting rod was horizontal; Described handrail is assemblied on the first connecting rod.
Preferably, described fixed end is composite structure, comprises bolt, fixed mount, rotating shaft and nylon jacket; Described rotating shaft is assemblied on the fixed mount, and described nylon jacket is wrapped in the rotating shaft, and hold-down arm is fixed on the nylon jacket, and described fixed mount is fixed by bolt.
Preferably, the described rotary support arm position that is installed on the fixed end on the railroad car lateral wall is positioned at the top of the fixed end of hold-down arm at the bottom of the described rotation; The rotating shaft of the fixed end of hold-down arm and the distance between the railroad car lateral wall are longer than described rotary support arm and are installed on the rotating shaft of the fixed end on the railroad car lateral wall and the distance between the railroad car lateral wall at the bottom of the described rotation.
Preferably, described upper latch and described side latch include automatic pin, spring, latch frame and screw, and described latch frame is fixed by screws on the railroad car lateral wall, and described automatic pin cooperates in the pin hole that is assemblied in described latch frame with spring.
Preferably, described safety strap is two-point belt, is installed in the lower surface of described backrest, is equipped with a secondary two-point belt on each seat.
Preferably, described cushion bottom is provided with by the fixing damping cushion of screw, and after the long tipping-up chair of described four-rod linkage launched, the damping cushion contacted with the upper surface of the bracing frame of car bottom, and support frame as described above has locker.
The beneficial effects of the utility model are: the utility model can be realized the interlock of cushion, backrest and handrail, and is simple to operation, and can be fixed on the railroad car lateral wall after folding, more can save the space.
Description of drawings
Fig. 1 is the front elevational schematic of the long tipping-up chair deployed condition of the utility model four-rod linkage;
Fig. 2 is the schematic top plan view of the long tipping-up chair deployed condition of the utility model four-rod linkage;
Fig. 3 is the front elevational schematic of the long tipping-up chair rounding state of the utility model four-rod linkage;
Fig. 4 is that scheme drawing is looked on the right side of the long tipping-up chair rounding state of the utility model four-rod linkage;
Fig. 5 is the scheme drawing that cooperates of upper latch and upper pin hook on the long tipping-up chair of the utility model four-rod linkage;
Fig. 6 is the structural representation of the first round end of rotary support arm on the long tipping-up chair of the utility model four-rod linkage;
The mark of each parts is as follows in the accompanying drawing: 1, backrest; 2, handrail; 3, two-point belt; 4, cushion; 5, damping cushion; 6, automatic pin; 7, spring; 8, screw; 9, latch frame; 10, upper pin hook; 11, fixed mount; 12, connecting rod mechanism; 13, side pin hook; 14, rotating shaft; 15, nylon jacket; 16, bolt; 17, rotary support arm; 18, rotation end hold-down arm, 19, seat hinge; 20, end hold-down arm; 21, fixed end; 22, upper latch; 23, side latch; 24, firm banking; 25, bracing frame.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that protection domain of the present utility model is made more explicit defining.
See also Fig. 1 and Fig. 2, the utility model embodiment comprises:
The long tipping-up chair of a kind of four-rod linkage, comprise backrest 1, handrail 2, cushion 4 and two-point belt 3, described backrest 1 and cushion 4 link together by seat hinge 19, and described handrail 2 links together the side of backrest 1 and the side of cushion 4 by connecting rod mechanism 12; Described two-point belt 3 is installed in the lower surface of the backrest 1 at each seat, has guaranteed personnel's safety; Described link gear and the automatic latch of also comprising; Described link gear comprises two rotary support arms 17 and two rotation end hold-down arms 18; Rotary support arm 17 comprises the support arm that two fixed ends 21 and two ends are flexibly connected with fixed end 21 respectively, and a fixed end 21 is fixed on the railroad car lateral wall, and another is fixed on the back side of backrest 1; Hold-down arm includes the end hold-down arm 20 that a fixed end 21, firm banking 24 two ends are flexibly connected with fixed end 21, firm banking 24 respectively at the bottom of the described rotation, the fixed end 21 of hold-down arm 18 is fixed on the railroad car lateral wall at the bottom of the described rotation, and firm banking 24 is fixed on the bottom surface of cushion 4; Described fixed end 21 is composite structure, comprises bolt 16, fixed mount 11, rotating shaft 14 and nylon jacket 15, and described nylon jacket 15 is wrapped in the rotating shaft 14, and hold-down arm is fixed on the nylon jacket 15; Described automatic latch comprises latch 22, upper pin hook 10, side latch 23 and side pin hook 13; Described latch includes automatic pin 6, spring 7, latch frame 9 and screw 8; Described upper pin hook 10 is installed in the upper end of described backrest 1, and described side pin hook 13 is installed on the cushion 4 at seat hinge 19 places; On the railroad car lateral wall that described upper pin hook 10 was corresponding when described upper latch 22 was installed in and draws in the long tipping-up chair of described four-rod linkage, on the railroad car lateral wall that described side pin hook 13 was corresponding when described side latch 23 was installed in the long tipping-up chair gathering of described four-rod linkage.
Described cushion 4 bottoms are provided with damping cushion 5, described damping cushion 5 is fixed by screws in cushion 4 bottoms, when the long tipping-up chair of described four-rod linkage launches, the be the level of state upper surface of the bracing frame 25 that is against car bottom of described cushion 4 has protected long tipping-up chair firmly not contacted and damage in the exhibition time receiving when during driving personnel being played buffer action; The length of connecting rod is so that the long tipping-up chair of described four-rod linkage when drawing in, described backrest 1, handrail 2 and cushion 4 can draw in fully is in the same place, and the position that described rotary support arm 17 is installed on the fixed end 21 on the railroad car lateral wall is positioned at the top of the fixed end 21 of hold-down arm 18 at the bottom of the described rotation; The rotating shaft 14 of the fixed end 21 of hold-down arm 18 and the distance between the railroad car lateral wall are longer than described rotary support arm 17 and are installed on the rotating shaft 14 of the fixed end 21 on the railroad car lateral wall and the distance between the railroad car lateral wall at the bottom of the described rotation; The position of the length of hold-down arm 18 and installation at the bottom of described rotary support arm 17 and the described rotation is so that the long tipping-up chair of described four-rod linkage when drawing in, and the long tipping-up chair of four-rod linkage is close on the railroad car lateral wall; Backrest 1 and cushion 4 are comprised of artificial leather, steel frame, sponge, bakelite board, slide fastener etc., have passed through design calculation and experiment authentication, and intensity is reliable.The angle of the monnolithic case size of long tipping-up chair, cushion 4 height dimensions, backrest 1 and cushion 4 all meets the related content of human engineering.
The utility model can be realized the interlock of cushion 4, backrest 1 and handrail 2, the exhibition time receiving, as long as lift or put down cushion 4, upset and gathering are finished in cooperation rotation by rotary support arm 17 and rotation end hold-down arm 18, upper latch 22 and side latch 23 block with upper pin hook 10 and side pin hook 13 respectively, the long tipping-up chair of four-rod linkage is fixed on the railroad car lateral wall, simple to operation, and more can save the space.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification sheets and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (9)
1. the long tipping-up chair of four-rod linkage comprises backrest, handrail, cushion and safety strap, it is characterized in that: described link gear, automatic latch and the connecting rod mechanism of also comprising; Described backrest and described cushion link together by seat hinge; Described link gear respectively with described backrest be connected cushion and be connected, and backrest and cushion are installed on the railroad car lateral wall; The two ends of described connecting rod mechanism link together with described cushion and described backrest respectively, and described handrail is installed on the described connecting rod mechanism; When drawing in, the long tipping-up chair of described four-rod linkage is fixed on the railroad car lateral wall by automatic latch; When the long tipping-up chair of described four-rod linkage launches, the be the level of state upper surface of the bracing frame that is against car bottom of described cushion.
2. the long tipping-up chair of four-rod linkage according to claim 1, it is characterized in that: described link gear includes hold-down arm at the bottom of a plurality of rotary support arms and a plurality of rotation, described rotary support arm comprises the support arm that two fixed ends and two ends are flexibly connected with fixed end respectively, described two fixed ends be separately fixed on the railroad car lateral wall and the back side of backrest on; Hold-down arm includes the end hold-down arm that a fixed end, firm banking and two ends are flexibly connected with fixed end, firm banking respectively at the bottom of the described rotation, the fixed end of hold-down arm is fixed on the railroad car lateral wall at the bottom of the described rotation, and firm banking is fixed on the bottom surface of cushion.
3. the long tipping-up chair of four-rod linkage according to claim 1 is characterized in that: described automatic latch includes pin hook, upper latch, side pin hook and side latch on several; Described upper pin hook is installed in the upper end at the described backrest back side, when described upper latch is installed in the long tipping-up chair of described four-rod linkage and draws on the railroad car lateral wall corresponding with the position of described upper pin hook; Described side pin hook is installed on the cushion at described seat hinge place, when described side latch is installed in the long tipping-up chair of described four-rod linkage and draws on the railroad car lateral wall corresponding with the position of described side pin hook.
4. the long tipping-up chair of four-rod linkage according to claim 1 is characterized in that: described two linkage that include, described connecting rod mechanism are two bar linkage structures that first connecting rod and second connecting rod form; Described first connecting rod is connected with the side of described backrest, and described second connecting rod is connected with the side of described cushion; When the long tipping-up chair of described four-rod linkage launched, described first connecting rod was horizontal; Described handrail is assemblied on the first connecting rod.
5. the long tipping-up chair of four-rod linkage according to claim 2, it is characterized in that: described fixed end is composite structure, comprises bolt, fixed mount, rotating shaft and nylon jacket; Described rotating shaft is assemblied on the fixed mount, and described nylon jacket is wrapped in the rotating shaft, and hold-down arm is fixed on the nylon jacket, and described fixed mount is fixed by bolt.
6. the long tipping-up chair of four-rod linkage according to claim 2 is characterized in that: the position that described rotary support arm is installed on the fixed end on the railroad car lateral wall is positioned at the top of the fixed end of hold-down arm at the bottom of the described rotation; The rotating shaft of the fixed end of hold-down arm and the distance between the railroad car lateral wall are longer than described rotary support arm and are installed on the rotating shaft of the fixed end on the railroad car lateral wall and the distance between the railroad car lateral wall at the bottom of the described rotation.
7. the long tipping-up chair of four-rod linkage according to claim 3, it is characterized in that: described upper latch and described side latch include automatic pin, spring, latch frame and screw, described latch frame is fixed by screws on the railroad car lateral wall, and described automatic pin cooperates in the pin hole that is assemblied in described latch frame with spring.
8. the long tipping-up chair of four-rod linkage according to claim 1, it is characterized in that: described safety strap is two-point belt, is installed in the lower surface of described backrest, is equipped with a secondary two-point belt on each seat.
9. the long tipping-up chair of four-rod linkage according to claim 1, it is characterized in that: described cushion bottom is provided with by the fixing damping cushion of screw, after the long tipping-up chair of described four-rod linkage launched, the damping cushion contacted with the upper surface of the bracing frame of car bottom, and support frame as described above has locker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220419038.9U CN202806453U (en) | 2012-08-23 | 2012-08-23 | Four-bar linkage long reversible seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220419038.9U CN202806453U (en) | 2012-08-23 | 2012-08-23 | Four-bar linkage long reversible seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202806453U true CN202806453U (en) | 2013-03-20 |
Family
ID=47865384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220419038.9U Expired - Lifetime CN202806453U (en) | 2012-08-23 | 2012-08-23 | Four-bar linkage long reversible seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202806453U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745039A (en) * | 2019-12-06 | 2020-02-04 | 重庆延锋安道拓汽车部件系统有限公司 | Chair backrest |
| CN113734003A (en) * | 2021-08-17 | 2021-12-03 | 盐城同环机电科技有限公司 | Multifunctional automobile seat capable of being expanded |
-
2012
- 2012-08-23 CN CN201220419038.9U patent/CN202806453U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745039A (en) * | 2019-12-06 | 2020-02-04 | 重庆延锋安道拓汽车部件系统有限公司 | Chair backrest |
| CN113734003A (en) * | 2021-08-17 | 2021-12-03 | 盐城同环机电科技有限公司 | Multifunctional automobile seat capable of being expanded |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |