CN206704032U - Back-row seat framework - Google Patents
Back-row seat framework Download PDFInfo
- Publication number
- CN206704032U CN206704032U CN201720420642.6U CN201720420642U CN206704032U CN 206704032 U CN206704032 U CN 206704032U CN 201720420642 U CN201720420642 U CN 201720420642U CN 206704032 U CN206704032 U CN 206704032U
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- CN
- China
- Prior art keywords
- seat
- base
- backrest
- pin joint
- recliner
- 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.)
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses a kind of back-row seat framework, the lower end of base front rod is connected with the front end of seat base by the first pin joint, and the upper end of base front rod is connected with the front end of seat cushion framework by the second pin joint；Connecting plate is installed in the back upper place of seat base after base, and the upper end of connecting plate and the lower end of recliner lower carriage are fixed together after base, and the upper end of recliner lower carriage is connected by the 3rd pin joint with recliner, backrest frames；The front end of seat frame rear connecting rod is connected with seat cushion framework, and the rear end of seat frame rear connecting rod is folded upward at and is hinged by the 4th pin joint with backrest frames, so as to form quadric chain；When pressing backrest unlocking mechanism, recliner is driven to unlock by unlocking drag-line, during promotion backrest frames are laid flat further along, seat cushion framework realizes that linkage is sunk by quadric chain, the space-consuming after backrest fold-down is saved, the space vacateed above backrest is used to place luggage.
Description
Technical field
The utility model belongs to automotive seating art field, and in particular to a kind of back-row seat framework structure.
Background technology
Automobile rear seat uses for the people of rear passenger three, and there is back seat backrest unblock to be laid flat function, to increase row
The space of Lee's case.But because back seat is during backrest unblock is laid flat, seat cushion can not sink, therefore be laid flat back seat
The space of top can not maximumlly utilize.If the position of seat cushion lowerd, the comfortableness taken can be influenceed again.
Utility model content
The utility model aims to provide the back-row seat framework that seat cushion linkage sinks during a kind of backrest unblock is laid flat, both
The comfortableness taken can be met, and can seat cushion when unblock is laid flat sinks, and is used for the sky for placing luggage above seat so as to increase
Between.
Therefore, technical scheme is used by the utility model：A kind of back-row seat framework, including backrest frames, seat cushion
Skeleton, seat base, backrest unlocking mechanism, recliner, the backrest unlocking mechanism are arranged on the upper right side of backrest frames, passed through
Two unblock drag-lines are connected with the backrest unlocking mechanism of seat cushion framework both sides respectively, in addition to are connected after base front rod, base
Plate, seat frame rear connecting rod and recliner lower carriage, the lower end of the base front rod and the front end of seat base pass through the first hinge
Contact is connected, and the upper end of base front rod is connected with the front end of seat cushion framework by the second pin joint；Connecting plate after the base
It is installed in the back upper place of seat base, the upper end of connecting plate and the lower end of recliner lower carriage are fixed together after base, angle modulation
The upper end of device lower carriage is connected by the 3rd pin joint with recliner, backrest frames；The front end of the seat frame rear connecting rod and seat
Pad skeleton is connected, and the rear end of seat frame rear connecting rod is folded upward at and is hinged by the 4th pin joint with backrest frames, so as to form
Using the first pin joint, the second pin joint, the 3rd pin joint, the 4th pin joint as run-on point quadric chain；When pressing backrest
During unlocking mechanism, recliner is driven to unlock by unlocking drag-line, during promotion backrest frames are laid flat further along, seat cushion framework
Realize that linkage is sunk by quadric chain.
As the preferred of such scheme, the backrest frames are surrounded by " n " shape pipe, two side boards, in backrest frames also
It is provided with middle transverse tube and lower transverse tubule；The seat cushion framework is surrounded by " u "-shaped pipe, two seat frame rear connecting rods and rear cross-tube, is present
If also left and right is arranged at intervals with dry medium spring and longitudinally reinforced bar in pad skeleton.Middle transverse tube plays a part of crash bar, lower transverse tubule, after
The bulk strength of transverse tube and longitudinally reinforced bar increase chair framework, bent spring are used to improve the comfortableness taken, and have bulk strength
Effect high, in light weight.
Further, the middle part of two base front rods is connected by front rail, further improves bulk strength.
The beneficial effects of the utility model：Overall structure is simple, intensity is high, in light weight, compact in design, realizes backrest solution
Seat cushion linkage sinks during lock is laid flat, and has saved the space-consuming after backrest fold-down, and the space vacateed above backrest is used
In placement luggage.
Brief description of the drawings
Fig. 1 is stereogram of the present utility model.
Fig. 2 is Fig. 1 partial enlarged drawing.
Embodiment
By way of example and in conjunction with the accompanying drawings, the utility model is described in further detail：
With reference to shown in Fig. 1, Fig. 2, a kind of back-row seat framework, mainly by backrest frames 1, seat cushion framework 2, seat base 3,
Connecting plate 8, two after the recliner 5, two of backrest unlocking mechanism 4, the two unblock base of base front rod 7, two of drag-line 6, two
Individual seat frame rear connecting rod 9 and two recliner lower carriages 10 form.
Backrest unlocking mechanism 4 be arranged on backrest frames 1 upper right side, by two unblock drag-lines 6 respectively with seat cushion framework 2
The backrest unlocking mechanism 4 of both sides is connected, and backrest frames 1 is promoted after unblock, backrest frames 2 are around the central rotation of recliner 5, reality
Existing backrest frames 2 are laid flat.Backrest unlocking mechanism 4 is arranged on to the upper right side of backrest frames 1, during so as to place luggage, from rear
Side is unlocked.It is described above consistent with existing structure, it will not be repeated here.
The lower end of base front rod 7 is connected with the front end of seat base 3 by the first pin joint A, base front rod 7
Upper end is connected with the front end of seat cushion framework 2 by the second pin joint B.After base connecting plate 8 be installed in seat base 3 it is rear on
Square, the upper end of connecting plate 8 and the lower end of recliner lower carriage 10 are fixed together after base, and the upper end of recliner lower carriage 10 leads to
Cross the 3rd pin joint C with recliner 5, backrest frames 1 to be connected, the 3rd pin joint C is the pivot of recliner 5.After seat frame
The front end of connecting rod 9 is connected with seat cushion framework 2, and the rear end of seat frame rear connecting rod 9 is folded upward at and by the 4th pin joint D with leaning on
Spine frame 1 is be hinged.So as to form using the first pin joint A, the second pin joint B, the 3rd pin joint C, the 4th pin joint D as run-on point
Quadric chain.
When pressing backrest unlocking mechanism 4, drive recliner 5 to unlock by unlocking drag-line 6, promote backrest frames further along
During 1 is laid flat, seat cushion framework 2 realizes that linkage is sunk by quadric chain.
Preferably, backrest frames 1 are surrounded by " n " shape pipe 1a, two side board 1b, horizontal in being additionally provided with backrest frames 1
Pipe 1c and lower transverse tubule 1d.Seat cushion framework 2 is surrounded by " u "-shaped pipe 2a, two seat frame rear connecting rods 9 and rear cross-tube 2b, in seat cushion bone
Also if left and right is arranged at intervals with dry medium spring 2c and longitudinally reinforced bar 2d in frame 2.
In addition, the middle part of two base front rods 7 is connected by front rail 7a.
Claims (3)
1. a kind of back-row seat framework, including backrest frames (1), seat cushion framework (2), seat base (3), backrest unlocking mechanism
(4), recliner (5), the backrest unlocking mechanism (4) are arranged on the upper right side of backrest frames (1), pass through two unblock drag-lines
(6) the backrest unlocking mechanism (4) respectively with seat cushion framework (2) both sides is connected, it is characterised in that：Also include base front rod (7),
Connecting plate (8), seat frame rear connecting rod (9) and recliner lower carriage (10) after base, the lower end of the base front rod (7) and seat
The front end of seat base (3) is connected by the first pin joint (A), and the upper end and the front end of seat cushion framework (2) of base front rod (7) lead to
The second pin joint (B) is crossed to be connected；Connecting plate (8) is installed in the back upper place of seat base (3) after the base, connecting plate after base
(8) lower end of upper end and recliner lower carriage (10) is fixed together, and the upper end of recliner lower carriage (10) passes through the 3rd hinge
Contact (C) is connected with recliner (5), backrest frames (1)；The front end of the seat frame rear connecting rod (9) and seat cushion framework (2) phase
Even, the rear end of seat frame rear connecting rod (9) is folded upward at and is hinged by the 4th pin joint (D) and backrest frames (1), so as to form
With the first pin joint (A), the second pin joint (B), the 3rd pin joint (C), the double leval jib machine that the 4th pin joint (D) is run-on point
Structure；When pressing backrest unlocking mechanism (4), drive recliner (5) to unlock by unlocking drag-line (6), promote backrest bone further along
During frame (1) is laid flat, seat cushion framework (2) realizes that linkage is sunk by quadric chain.
2. back-row seat framework according to claim 1, it is characterised in that：The backrest frames (1) are by " n " shape pipe
(1a), two side boards (1b) are surrounded, and middle transverse tube (1c) and lower transverse tubule (1d) are additionally provided with backrest frames (1)；The seat cushion
Skeleton (2) is surrounded by " u "-shaped pipe (2a), two seat frame rear connecting rods (9) and rear cross-tube (2b), also left in seat cushion framework (2)
If right septum is provided with dry medium spring (2c) and longitudinally reinforced bar (2d).
3. back-row seat framework according to claim 1 or 2, it is characterised in that：In two base front rods (7)
Portion is connected by front rail (7a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720420642.6U CN206704032U (en) | 2017-04-20 | 2017-04-20 | Back-row seat framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720420642.6U CN206704032U (en) | 2017-04-20 | 2017-04-20 | Back-row seat framework |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206704032U true CN206704032U (en) | 2017-12-05 |
Family
ID=60455607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720420642.6U Active CN206704032U (en) | 2017-04-20 | 2017-04-20 | Back-row seat framework |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206704032U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111823971A (en) * | 2020-06-09 | 2020-10-27 | 北汽福田汽车股份有限公司 | Seat and vehicle |
-
2017
- 2017-04-20 CN CN201720420642.6U patent/CN206704032U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111823971A (en) * | 2020-06-09 | 2020-10-27 | 北汽福田汽车股份有限公司 | Seat and vehicle |
| CN111823971B (en) * | 2020-06-09 | 2022-09-16 | 北汽福田汽车股份有限公司 | Seat and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 400021 Yuguan Avenue 218, Yuzui Town, Jiangbei District, Chongqing Patentee after: Chongqing Hongli Zhixin Science and Technology Development Group Co., Ltd. Address before: 400021 Yuguan Avenue 218, Yuzui Town, Jiangbei District, Chongqing Patentee before: Chongqing Hongli Zhixin Auto Parts Manufacturing Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |