阅读说明：本技术 座椅骨架结构 (Seat framing structure ) 是由 季后维 高建荣 覃艳雅 王宪龙 于 2019-09-20 设计创作，主要内容包括：本发明涉及一种座椅骨架结构,包括一基座；通过第一转轴可转动地连接于基座后部的靠背骨架；通过第二转轴可转动地连接于靠背骨架的连杆机构,连杆机构远离第二转轴的一端可转动地连接于基座的前部以适应靠背骨架沿第一转轴向前翻折；通过第五转轴可转动地连接于连杆机构的座垫骨架；以及可转动地设于连杆机构上且长度可调的推动装置,推动装置的端部通过第六转轴可转动地连接于座垫骨架,且第六转轴位于第五转轴的下方,从而通过伸长推动装置以推动座垫骨架向上翻折。本发明采用将座垫骨架和推动装置设于连杆机构上,从而为靠背转轴的设置提供空间,使转轴位置下移从而在靠背翻折后能让出更多的车内空间。(The present invention relates to a kind of seat framing structures, including a pedestal；The backrest frames at pedestal rear portion are rotatably connected at by first rotating shaft；The link mechanism of backrest frames is rotatably connected at by the second shaft, link mechanism is rotatably connected at the front of pedestal far from one end of the second shaft and folds forward to adapt to backrest frames along first rotating shaft；The seat cushion framework of link mechanism is rotatably connected at by the 5th shaft；And it is rotatably arranged on link mechanism and length-adjustable pushing meanss, the end of pushing meanss is rotatably connected at seat cushion framework by the 6th shaft, and the 6th shaft be located at the lower section of the 5th shaft, thus by elongation pushing meanss to push seat cushion framework to flip up.The present invention, which uses, is set to seat cushion framework and pushing meanss on link mechanism, so that the setting for backrest shaft provides space, moves down rotating shaft position to concede more interior spaces after backrest fold.)

1. a kind of seat framing structure characterized by comprising

One pedestal；

The backrest frames at the pedestal rear portion are rotatably connected at by first rotating shaft；

The link mechanism of the backrest frames is rotatably connected at by the second shaft, the link mechanism is far from described second One end of shaft is rotatably connected at the front of the pedestal to adapt to the backrest frames along the first rotating shaft and turn over forward Folding；

The seat cushion framework of the link mechanism is rotatably connected at by the 5th shaft；And

It is rotatably arranged on the link mechanism and length-adjustable pushing meanss, the end of the pushing meanss passes through the 6th Shaft is rotatably connected at the seat cushion framework, and the 6th shaft is located at the lower section of the 5th shaft, to pass through The pushing meanss are extended to push the seat cushion framework to flip up.

2. seat framing structure as described in claim 1, which is characterized in that further include be connected to the link mechanism with it is described Runing rest between pedestal, the runing rest are rotatably connected at the link mechanism, the rotation by third shaft Turn bracket and also pass through the front that the 4th shaft is rotatably connected at the pedestal, and the 4th shaft is located at the third and turns The lower section of axis, so that the link mechanism and the runing rest are foldd forward with the backrest frames and overturn.

3. seat framing structure as claimed in claim 2, which is characterized in that the 5th shaft is located at the seat cushion framework Rear portion；

The front end of the runing rest is also formed with supporting surface, and the seat cushion framework is not when turning down, in the seat cushion framework Portion is placed on the supporting surface.

4. seat framing structure as claimed in claim 3, which is characterized in that the runing rest includes to be integrally fixed One strut, the second strut and support chip；

The end of first strut and the second strut connects and the 4th shaft is located at first strut and the second strut Junction；

The other end of first strut is connected to the link mechanism by the third shaft；

The other end of second strut connects the support chip, and the support chip is horizontal when the backrest frames do not turn down Setting, the supporting surface is formed in the upper surface of the support chip at this time.

5. seat framing structure as described in claim 1, which is characterized in that the link mechanism is obliquely installed, and described second Shaft is located at the top of the first rotating shaft.

6. seat framing structure as claimed in claim 1 or 5, which is characterized in that the link mechanism includes fastened to each other Connecting rod and mounting plate；

The connecting rod is obliquely installed, and the one end of the connecting rod far from mounting plate be connected to by second shaft it is described Backrest frames；

The rear end of the mounting plate and the rear end of the pushing meanss are rotatably coupled by the 7th shaft.

7. seat framing structure as described in claim 1, which is characterized in that angle adjustor is equipped at the first rotating shaft, it is described It is also connected with a locking device in angle adjustor, the angle adjustor is locked by the locking device so that the backrest frames are with respect to institute Pedestal is stated to fix.

8. seat framing structure as described in claim 1, which is characterized in that the pushing meanss are gas spring.

9. seat framing structure as claimed in claim 8, which is characterized in that be also connected with one in the gas spring for controlling institute The switch of gas spring opening and closing is stated, it is described to switch the side for being placed in the seat cushion framework.

10. seat framing structure as described in claim 1, which is characterized in that the pushing meanss are motor lead screw assembly.

Technical field

The present invention relates to automotive seating art fields, refer in particular to a kind of seat framing structure.

Background technique

The appearance of the vocabulary such as unmanned, long track, the usage scenario of interior space become more flexible changeable, and people's drives Multiply that experience requirements are also higher and higher, the automobile interior decoration space strictly limited for space requirement, only sitting cushion sinks back seat Function seems the demand for being unable to satisfy people, if seat is also equipped with seat cushion lifting function in the case where heel row unmanned seating, It can be conceded to preceding middle row and take space.

However, seat cushion is usually rotatably arranged on the pedestal of seat to realize seat cushion to turning over by existing automotive seat Folding, if increasing the function that backrest folds forward on this basis, backrest inevitably results in avoid the turnover mechanism of seat cushion Backrest fold point moves up, even if then backrest folds forward, since fold back seat whole height is still in higher position, thus More interior spaces can not be conceded.

Summary of the invention

It is an object of the invention to overcome the deficiencies of existing technologies, a kind of seat framing structure is provided, can solve existing Technology realizes that backrest rotating shaft position is higher when two functions are lifted in backrest fold and seat cushion at the same time, can not concede more interior empty Between the problem of.

Realizing the technical solution of above-mentioned purpose is:

The present invention provides a kind of seat framing structures, comprising:

One pedestal；

The backrest frames at the pedestal rear portion are rotatably connected at by first rotating shaft；

The link mechanism of the backrest frames is rotatably connected at by the second shaft, the link mechanism is far from institute The one end for stating the second shaft is movably attached to the front of the pedestal to adapt to the backrest frames along the first rotating shaft It folds forward；

The seat cushion framework of the link mechanism is rotatably connected at by the 5th shaft；And

It is fixedly arranged on the link mechanism and length-adjustable pushing meanss, the end of the pushing meanss passes through the 6th turn Axis is rotatably connected at the seat cushion framework, and the 6th shaft is located at the lower section of the 5th shaft, thus by stretching The long pushing meanss are to push the seat cushion framework to flip up.

The invention has the advantages that being fixed on a link mechanism by the 5th shaft using by seat cushion framework, and will push away The pushing meanss that dynamic seat cushion framework flips up also are set on link mechanism, so that the setting for the first rotating shaft of backrest frames mentions For space, move down rotating shaft position to which more interior spaces can be conceded after backrest folds forward.

Seat framing structure of the present invention further improvement lies in that, further include being connected to the link mechanism and the pedestal Between runing rest, the runing rest is rotatably connected at the link mechanism by third shaft, the rotation branch Frame also passes through the front that the 4th shaft is rotatably connected at the pedestal, and the 4th shaft is located at the third shaft Lower section, so that the link mechanism and the runing rest are foldd forward with the backrest frames and overturn.

Seat framing structure of the present invention further improvement lies in that, after the 5th shaft is located at the seat cushion framework Portion；

The front end of the runing rest is also formed with supporting surface, and the seat cushion framework is not when flipping up, the seat cushion It is placed in the middle part of skeleton on the supporting surface.

Seat framing structure of the present invention further improvement lies in that, the runing rest includes first to be integrally fixed Bar, the second strut and support chip；

The end of first strut and the second strut connects and the 4th shaft is located at junction；

The other end of first strut is connected to the link mechanism by the third shaft；

The other end of second strut connects the support chip, and the support chip is not when the backrest frames turn down Horizontally disposed, the supporting surface is formed in the upper surface of the support chip at this time.

Seat framing structure of the present invention further improvement lies in that, the link mechanism is obliquely installed, second shaft Positioned at the top of the first rotating shaft.

Seat framing structure of the present invention further improvement lies in that, the link mechanism include connecting rod fastened to each other and Mounting plate；

The connecting rod is obliquely installed, and the one end of the connecting rod far from mounting plate is connected to by second shaft The backrest frames；

The rear end of the mounting plate and the rear end of the pushing meanss are rotatably coupled by the 7th shaft.

Seat framing structure of the present invention further improvement lies in that, the first rotating shaft is angle adjustor, in the angle adjustor It is also connected with a locking device, the angle adjustor is locked by the locking device so that the relatively described pedestal of the backrest frames is solid It is fixed.

Seat framing structure of the present invention further improvement lies in that, the pushing meanss be gas spring.

Seat framing structure of the present invention further improvement lies in that, one is also connected in the gas spring for controlling the gas The switch of spring opening and closing, it is described to switch the side for being placed in the seat cushion framework.

Seat framing structure of the present invention further improvement lies in that, the pushing meanss be motor lead screw assembly.

Detailed description of the invention

Fig. 1 is structural schematic diagram of the seat framing structure of the present invention in initial position.

Fig. 2 is left view of the seat framing structure of the present invention in initial position.

Fig. 3 is the structural schematic diagram at another visual angle of the seat framing structure of the present invention in initial position.

Fig. 4 is right view of the seat framing structure of the present invention in initial position.

Fig. 5 is the explosion of pedestal front, link mechanism, runing rest and seat cushion side plate in seat framing structure of the present invention Figure.

Fig. 6 is schematic diagram of the seat framing structure of the present invention during backrest folds forward.

Fig. 7 is schematic diagram of the seat framing structure of the present invention after backrest folds forward.

Fig. 8 is pedestal front, link mechanism, runing rest, seat cushion side plate, pushing meanss in seat framing structure of the present invention With the explosive view of switch.

Fig. 9 is the partial enlargement diagram in Fig. 1 at pushing meanss.

Figure 10 is schematic diagram of the seat framing structure of the present invention during seat cushion flips up.

Figure 11 is the partial enlargement diagram in Figure 10 at pushing meanss.

Figure 12 is schematic diagram of the seat framing structure of the present invention after seat cushion flips up.

Figure 13 is the partial enlargement diagram in Figure 12 at pushing meanss.

Description of symbols:

10- pedestal；

200- backrest frames；20- leans on dorsal plate；201- first rotating shaft；

300- seat cushion framework；30- seat cushion side plate；

40- link mechanism；The second shaft of 401-；The 5th shaft of 402-；41- connecting rod；42- mounting plate；

50- runing rest；501- third shaft；The 4th shaft of 502-；The first strut of 51-；The second strut of 52-；53- support Piece；

60- pushing mechanism；The 6th shaft of 601-；The 7th shaft of 602-；61- switch.

Specific embodiment

The present invention will be further explained below with reference to the attached drawings and specific examples.

Refering to fig. 1, the present invention provides a kind of seat framing structure, it can be achieved at the same time backrest fold and seat cushion lift two Kind function, and backrest rotating shaft position can be made to move down, so that more interior spaces can be conceded after backrest folds forward.Below Seat framing structure of the present invention is illustrated in conjunction with attached drawing.

As shown in figure 1 to figure 13, seat framing structure of the present invention includes: pedestal 10, backrest frames 200, seat cushion framework 300, it connects the link mechanism 40 of backrest frames and seat cushion framework and connects the runing rest 50 of pedestal and link mechanism.

Wherein, backrest frames 200 include a pair of by dorsal plate 20, should be can be rotated by dorsal plate 20 by first rotating shaft 201 Ground is connected to the rear portion of pedestal 10.The rear end of link mechanism 40 is rotatably connected at by the second shaft 401 by dorsal plate 20, And second shaft 401 be located above first rotating shaft.Runing rest 50 is rotatably connected at link mechanism by third shaft 501 40 front end, runing rest 50 are also rotatably connected at the front of pedestal 10, and the 4th shaft 502 by the 4th shaft 502 Positioned at the lower section of third shaft 501, so that pedestal 10, backrest frames 200, link mechanism 40 and the formation of runing rest 50 can The quadrilateral structure of deformation realizes that backrest frames 200 are foldd forward along first rotating shaft 201.

Seat cushion framework 300 includes a pair of of seat cushion side plate 30, and the rear portion of the seat cushion side plate 30 can be rotated by the 5th shaft 402 Ground is connected to link mechanism 40, and the 5th shaft 402 is between the second shaft 401 and the 4th shaft 502.In backrest frames During 200 fold forward along first rotating shaft 201, the 5th shaft 402 does not rotate.The front end of runing rest 50 is also formed There is horizontal supporting surface, when not flipping up, the middle part of seat cushion side plate 30 is placed on the supporting surface seat cushion framework 300.This When, supporting surface two of the seat cushion framework 300 by being located at the 5th shaft 402 at rear portion and positioned at middle part is supported to keep steady It is fixed.

In existing chair framework, for the stability of seat cushion framework when seat normal use, it will usually before pedestal Side corresponds to the structure of the position setting support of seat cushion framework front, flips up which results in seat cushion and still accounts on front side of rear pedestal With the interior space at this.And the application supports the supporting surface of seat cushion framework by being formed on runing rest, is ensuring While seat cushion framework stability, since the position of runing rest is proximate to connecting rod setting, to the supporting point of seat cushion framework Positioned at the middle part of seat cushion framework, thus the part that pedestal is located on front side of seat cushion framework is also eliminated, so that after seat cushion flips up More interior spaces can be conceded.

Specifically, referring to figure 1 and figure 5, runing rest 50 includes the first strut 51, the second strut being integrally fixed 52 and support chip 53, the first strut 51 is connected with the end of the second strut 52 and the 4th shaft 502 is located at the first strut 51 and The other end of the junction of two struts 52, the first strut 51 is connected to link mechanism 40, the second strut 52 by third shaft 501 The other end connect support chip 53, and support chip 53 when backrest frames do not turn down be horizontally disposed with, supporting surface is formed in this at this time The upper surface of support chip 53, seat cushion side plate 30 are placed on the support chip 53.

Preferably, being equipped with angle adjustor at first rotating shaft 201, it is also connected with a locking device in the angle adjustor, in seat of the present invention It is by locking device locking angle adjustor so that fixed by 20 opposite base 10 of dorsal plate when chair skeleton structure is in initial position, It is steady when promoting seat normal use at this point, link mechanism 40 and runing rest 50 are obliquely supported backrest frames 200 It is qualitative.The locking device is angle adjustor release lever, which is accessory commonly used in the art, and this will not be repeated here.If Realize that electrodynamic type backrest frames are adjusted, then the leading patent of China can be used in the angle adjustor and locking device Structure in CN201910114791.3 " a kind of electronic style turnover mechanism with angular adjustment ".

Seat framing structure of the present invention is as shown in Figures 1 to 4 in initial position, and backrest frames 200 are in a vertical position And seat cushion framework 300 is in a horizontal position.When needing folding back skeleton 200, angle adjustor is unlocked, and spine will be leaned on manually Frame 200 is foldd forward along first rotating shaft 201, as shown in fig. 6, at this point, by dorsal plate 20 drive link mechanism 40 move forward, after And link mechanism 40 pushes runing rest 50 to overturn forward along the 4th shaft 502.Seat cushion framework 300 also with link mechanism 40 forward It is mobile, while losing the support of runing rest 50.In the process, the second shaft 401, third shaft 501 and the 4th shaft 502 It rotates, in terms of visual angle shown in Fig. 2, before this leans on dorsal plate 20 to rotate clockwise and drive link mechanism 40 in the process It moves, since third shaft 501 moves forward with link mechanism 40, runing rest 50 is driven to rotate clockwise, until backrest frames 200 arrive Up to horizontal position, as shown in fig. 7, the front end side of link mechanism 40 is resisted against pedestal 10 at this time, prevent to continue backrest frames 200 Overturning.

As shown in Figure 1 to Figure 4 and shown in Fig. 8 to Figure 13, seat framing structure of the present invention further includes a length-adjustable promotion dress Set 60.Link mechanism includes connecting rod 41 and the mounting plate 42 for installing pushing meanss 60 fastened to each other, and connecting rod 41 tilts Setting, and the one end of connecting rod 41 far from mounting plate 42 is connected to after dorsal plate 20, mounting plate 42 by the second shaft 401 It holds and is rotatably coupled with the rear end of pushing meanss 60 by the 7th shaft 602.

It should be noted that entire seat can be made since pushing meanss 60 only push the seat cushion side plate 30 positioned at seat side Pad skeleton 300 flips up, thus in the present embodiment, the link mechanism positioned at seat framing structure side includes connecting rod 41 With mounting plate 42, and be located at the seat framing structure other side link mechanism be then a common connecting rod.

The end of pushing meanss 60 is rotatably connected at corresponding seat cushion side plate 30, and the 6th by the 6th shaft 601 Shaft 601 is located at the lower section of the 5th shaft 402, thus by elongation pushing meanss 60 to push seat cushion framework 300 to flip up, In the process, angle adjustor keeps locking, therefore the second shaft 401, third shaft 501 and the 4th shaft 502 do not occur to turn It is dynamic.

In a preferable embodiment, pushing meanss 60 are gas spring, and one is also connected in the gas spring for controlling gas The switch 61 of spring opening and closing, the switch 61 are placed in the side of seat cushion framework.

Seat framing structure of the present invention is in initial position as shown in Figure 1 to Figure 4 and shown in Fig. 9.When needing folding back skeleton When 200, as shown in Figure 10 and Figure 11, turning on the switch 61 extends gas spring, and pushing meanss 60 push forward corresponding seat cushion side The bottom of 30 rear end of plate, so that seat cushion framework 300 is overturn along the 5th shaft 402.In the process, the 6th shaft 601 constantly to Preceding movement, in order to adapt to the change in location of the 6th shaft 601, pushing meanss 60 are slightly rotated along the 7th shaft 602.When seat cushion bone When frame 300 is in a vertical state, as shown in Figure 12 and Figure 13, gas spring length reaches maximum at this time, to make seat cushion framework 300 Stop overturning.

In another preferable embodiment, pushing meanss 60 are motor lead screw assembly, are made by starting motor rotation Screw rod is stretched out or is withdrawn, and then realizes the adjusting of pushing meanss length.

Seat framing structure of the present invention has the beneficial effect that

The present invention by the way of it will be all made of rotation connection between pedestal, backrest frames, link mechanism and runing rest, Deformable quadrilateral structure is formed it into, realizes the function of backrest frames fold；It further uses and is set on link mechanism Pushing meanss are set to realize that seat cushion flips up the function of lifting.In addition, runing rest is used in addition to the first strut as connecting rod Outside, support chip also acts as the effect of support seat cushion framework, then improves the stability of seat cushion framework；Angle adjustor is using locking Device is locked, and the stability of backrest frames is improved, and ensures that seat cushion and backrest in normal use process Stability.

The present invention has been described in detail with reference to the accompanying drawings, those skilled in the art can be according to upper It states and bright many variations example is made to the present invention.Thus, certain details in embodiment should not constitute limitation of the invention, this Invention will be using the range that the appended claims define as protection scope of the present invention.