Summary of the invention
It is an object of the present invention to provide a kind of backrest and seat cushion combination linkage of unlocking mechanism, the backrest and seat cushion combination linkage of unlocking mechanisms
It can be realized the linkage of unlocking of cushion and backrest.
It is a further object to provide a kind of vehicle seats, which can be by backrest fold-down, and operates
Simply.
According to an aspect of the present invention, a kind of backrest and seat cushion combination linkage of unlocking mechanism is provided, wherein backrest and seat cushion combination linkage
Unlocking mechanism includes the backrest frames being rotatably connected on body platform, is rotatably connected on the body platform
Cushion skeleton, for the backrest locking part of backrest frames described in locking, and for the cushion locking of cushion skeleton described in locking
Portion, the cushion locking part are fixed on the body platform, and the cushion locking part and the backrest locking part pass through unlock
Part linkage control, to unlock the backrest frames and the cushion skeleton simultaneously.
Preferably, the unlock piece is drag-line, and one end of the drag-line is connected with the backrest locking part, the drag-line it is another
End is connected with the cushion locking part.
Preferably, the cushion locking part is arranged close to the backrest frames.
Preferably, it is provided with connecting bracket between the cushion skeleton and the body platform, the rear end of the connecting bracket
It is rotatably connected in the cushion skeleton, and can be locked at unlocking in the cushion locking part, front end is rotationally
It is connected on the body platform.
Preferably, being provided between the connecting bracket and the body platform rotates the connecting bracket towards front
Biasing spring.
Preferably, the cushion locking part includes the locking ontology being rockably mounted on the body platform, the lock
The first card slot for connecting bracket described in clamping, one end of the unlock piece and the locking ontology phase are only formed on ontology
Even, the other end is connected with the backrest locking part, by operating the unlock piece to drive the locking body oscillatory, with transformation
The opening direction of first card slot and unlock the connecting bracket.
Preferably, the cushion locking part is fixed on the underbody by support base, and the unlock piece is drag-line,
The support base includes along spaced first mounting plate of width direction of the body platform and the second mounting plate, the lock
Only ontology is formed as oscillating deck, which is mounted between first mounting plate and the second mounting plate by connecting shaft, institute
The top that the first card slot is located at the connecting shaft is stated, the other end of the drag-line is located at the lower section of the connecting shaft.
Preferably, the upper end of first mounting plate and the second mounting plate is each formed with the second card slot, second card slot and
First card slot is provided commonly for connecting bracket described in clamping.
Preferably, reset is connected between the locking ontology and one of first mounting plate and the second mounting plate
Spring.
Preferably, the fixation bracket for being used to support the lock tube of the drag-line is fixed on the body platform.
Preferably, the backrest locking part includes being installed on the backrest frames with one-directionally rotating along first direction
First lock body, and the second lock body that can be installed to one-directionally rotating in a second direction on the backrest frames, and first lock
Body and the second lock body are mutually supported, and the card slot for the lock core being located on vehicle frame for clamping is provided on second lock body, described
The unlock piece is connected on first lock body, by operating the unlock piece, drive first lock body is swung in a second direction,
So that second lock body can be swung in a second direction, to convert the opening direction of the card slot to which unlock is described by spine
Frame.
Preferably, the backrest frames and the cushion skeleton are the backrest frames and cushion skeleton of vehicle heel row.
According to another aspect of the present invention, a kind of vehicle seat is provided, which includes backrest provided by the invention
Cushion-linkage unlocking mechanism.
Through the above technical solutions, one unlock piece of control can be with linkage control cushion locking part and the backrest locking
Portion, while the backrest frames and the cushion skeleton are unlocked, so as to turnover cushion skeleton first, subsequent invertible back support bone
Frame, and backrest frames are laid flat, to increase storage space, since backrest frames and cushion skeleton can be simplified with linkage of unlocking
Operating procedure, improves the efficiency of falling of backrest frames.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is that the backrest and seat cushion combination linkage of unlocking mechanism that the preferred embodiment for the present invention provides is installed to backrest frames and cushion
Stereoscopic schematic diagram on skeleton;
Fig. 2 is the schematic diagram of the cushion locking part locking that the preferred embodiment for the present invention provides and unlock connecting bracket;
Fig. 3 is the structural schematic diagram for the cushion locking part that the preferred embodiment for the present invention provides;
Fig. 4 is the overlooking structure diagram for the cushion locking part that the preferred embodiment for the present invention provides;
Fig. 5 is the diagrammatic cross-section that the line A-A in Fig. 4 is intercepted;
Fig. 6 is the partial enlarged view in the portion A in Fig. 1;
Fig. 7 is the structural schematic diagram of the inside for the backrest locking part that the preferred embodiment for the present invention provides.
Description of symbols
10 body platform, 20 backrest frames, 21 backrest locking part
210 first 211 second lock body of lock body, 2110 card slot
213 shell, 22 lock core, 30 cushion skeleton
31 cushion locking part, 310 support base, 3,101 first mounting plate
3102 second 3,103 second card slot of mounting plate, 311 locking ontology
3110 first card slot, 312 connecting shaft, 313 reset spring
32 connecting bracket, 33 biasing spring, 40 unlock piece
41 operation portions
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " up, down, left, right, before and after " is logical
Be often for state when vehicle is in normal use, " inside and outside " refer to corresponding component profile it is interior with it is outer.
As shown in Figures 1 to 7, the present invention provides a kind of backrest and seat cushion combination linkage of unlocking mechanism, wherein backrest and seat cushion combination linkage
Unlocking mechanism includes the backrest frames 20 being rotatably connected on body platform 10, is rotatably connected on body platform 10
Cushion skeleton 30, for the backrest locking part 21 of locking backrest frames 20, and the cushion lock for locking cushion skeleton 30
Stop 31, the cushion locking part 31 are fixed on body platform 10, and cushion locking part 31 and backrest locking part 21 pass through unlock
40 linkage control of part, to unlock backrest frames 20 and cushion skeleton 30 simultaneously.
Wherein, backrest frames 20 and cushion skeleton 30 can be directly rotatably coupled on body platform 10, also can
It is pivotally connected on body platform 10 indirectly, that is, may be used also between backrest frames 20 and cushion skeleton 30 and body platform 10
To be connected with the structure that attachment base or connection gasket etc. were easily installed or enhanced intensity.Similarly, cushion locking part 31 can be direct
Fixed on body platform 10, can also be connected to by other middlewares on body platform 10.
Therefore, controlling a unlock piece 40 can be unlocked simultaneously with linkage control cushion locking part 31 and backrest locking part 21
Backrest frames 20 and cushion skeleton 30, so as to turnover cushion skeleton 30 first, subsequent invertible back support skeleton 20, and by backrest
Skeleton 20 is laid flat, to increase storage space, since backrest frames 20 and cushion skeleton 30 can simplify operation with linkage of unlocking
Step improves the efficiency of falling of backrest frames 20.
To simplify structure, and it is convenient for while manipulating cushion locking part 31 and backrest locking part 21, unlock piece 40 is drag-line, should
One end of drag-line is connected with backrest locking part 21, and the other end of the drag-line is connected with cushion locking part 31.
For the benefit of space layout, while shortening the total length of drag-line, cushion locking part 31 is arranged close to backrest frames 20.
To realize that cushion skeleton 30 can be overturn around body platform 10, as shown in Figure 1, cushion skeleton 30 and body platform 10 it
Between be provided with connecting bracket 32, the rear end of the connecting bracket 32 is rotatably connected in cushion skeleton 30, to be easy to implement pair
The front end of the locking of cushion skeleton 30 and unlock, the connecting bracket 32 can be locked in cushion locking part 31 with unlocking, for the benefit of
Space layout, 32 front end of connecting bracket are rotatably connected on body platform 10.
Specifically, connection when what the connecting bracket 32 drawn with dotted line as shown in figure 1 represented is in vehicle normal use
The state of bracket 32, at this point, the angle between connecting bracket 32 and body platform 10 is zero, the rear end of connecting bracket 32 is lock
Only in unlock piece 40;And being represented with the connecting bracket 32 of depicted as solid lines in Fig. 1 is connecting bracket 32 when seat is laid flat
State, that is, connecting bracket 32 is detached from from cushion locking part 31, and around its rear end rotate, at this point, connecting bracket 32 and vehicle body
Angle between floor 10 is obtuse angle, so that enough placement spaces have been vacateed for backrest frames 20, to guarantee backrest frames 20
It can lie on body platform 10, and then provide sufficient parking space for storing.
While to make 40 linkage of unlocking cushion locking part 31 of unlock piece and backrest locking part 21, cushion bone can be realized
The automatic turning of frame 20 further increases the efficiency for the seat that fell, connecting bracket 32 and body platform 10 as depicted in figs. 1 and 2
Between be provided with the biasing spring 33 for rotating connecting bracket 32 towards front.That is, triggering cushion locking part 31 in lock piece 40
While unlock with backrest locking part 21, due to the bias effect of biasing spring 33, so that connecting bracket 32 drives cushion skeleton
30 rotate for axis towards front around the front end of connecting bracket 32 together, so as to avoid manual overturning cushion skeleton 30, time saving province
Power.
Wherein, closure or non-closed frame structure that connecting bracket 32 can be made of rod piece, for example, square frame knot
Structure, biasing spring 33 can be set in the rear end of square frame structure, and a feeler is supported on body platform 10, remaining touching
It supports in the side towards body platform 10 of connecting bracket 32 at angle.
Cushion locking part 31 includes the locking being rockably mounted on body platform 10 as a preferred implementation manner,
Ontology 311 is formed with the first card slot 3110 for clamping connecting bracket 32, one end of unlock piece 40 on the locking ontology 311
It is connected with locking ontology 311, the other end is connected with backrest locking part 21, by operation unlock piece 40 to drive locking ontology 311
It swings, unlocks connecting bracket 32 to convert the opening direction of the first card slot 3110.In other words, cushion locking part 31 is to be clamped
Mode locking connecting bracket 32, and by swinging locking ontology 311 to convert the opening direction of the first card slot 3110, thus real
Now unlock connecting bracket 32.
Further, as shown in Figures 3 to 5, cushion locking part 31 is fixed on underbody 10 by support base 310,
Support base 310 include along spaced first mounting plate 3101 of width direction of body platform 10 and the second mounting plate 3102,
In other modes of texturing, support base 310 can also be a mounting plate, and locking ontology 311 is formed as oscillating deck, the oscillating deck
It is mounted between the first mounting plate 3101 and the second mounting plate 3102 by connecting shaft 312, connecting shaft 312 can be welded to
On one mounting plate 3101 and the second mounting plate 3102, the first mounting plate 3101 and the second mounting plate can also be releasably attached to
On 3102, the first card slot 3110 is located at the top of connecting shaft 312, and the other end of drag-line is located at the lower section of connecting shaft 312.Unlock is sat
When padding firmware 30, unlock piece 40, such as drag-line can be pulled back first, so that locking ontology 311 is clockwise around connecting shaft 312
Direction rotation, so that the opening of the first card slot 3100 becomes from towards rear towards back upper place, and then connecting bracket 32 can
To detach from the first card slot 3100, the unlock of cushion skeleton 30 is realized.
To make reliablely and stablely locking cushion skeleton 30, while easily unlock cushion skeleton 30 is realized, such as Fig. 3 and Fig. 5
Shown, the upper end of the first mounting plate 3101 and the second mounting plate 3102 is each formed with the second card slot 3103, second card slot 3103
Clamping connecting bracket 32 is provided commonly for the first card slot 3110.For example, the first card slot 3110 and the second card slot 3103 surround jointly
One lesser limit card slot of opening, the opening direction of the limit card slot is towards back upper place, and connecting bracket 32 is if you need to from the limit
Be detached from card slot, first first moved along back upper place, then convert moving direction be changed to it is mobile towards front so that locking is more
Reliably.Wherein, the second card slot 3103 on the first mounting plate 3101 and the second mounting plate 3102 is mainly used for limiting connecting bracket
32 move backward, and the first card slot 3110 is mainly used for limiting connecting bracket 32 towards back upper place movement.
It automatically resets after locking ontology 311 is swung to realize, in order to locking cushion skeleton 30 again, locking ontology 311
And first be connected with reset spring 313 between one of mounting plate 3101 and the second mounting plate 3102.That is, when unclamping drag-line
Afterwards, under the pulling force effect of reset spring 313,311 automatic swing of locking ontology goes back to home position.
It is smooth for the lock core pulling of drag-line easy to support, consolidating for the lock tube for being used to support drag-line is fixed on body platform 10
Fixed rack 11.
Preferably, as shown in Fig. 1, Fig. 6 and Fig. 7, backrest locking part 21 includes installing with one-directionally rotating along first direction
The first lock body 210 on to backrest frames 20, and can be installed to one-directionally rotating in a second direction on backrest frames 20 second
Lock body 211, specifically, the first lock body 210 and the second lock body 211 can be installed on backrest frames 20 by shell 213, and shell
It is provided between body 213 and the first lock body 210 so that the first lock body 210 is towards the first snap rotated counterclockwise, shell
213 and second are provided between lock body 211 so that the second lock body 211 is towards right handed second snap, and first
Lock body 210 and the second lock body 211 are mutually supported, and the lock core 22 being located on vehicle frame for clamping is provided on the second lock body 211
Card slot 2110 is connected with unlock piece 40 on the first lock body 210 for example, being fixed on the U-shaped lock core on vehicle frame, is unlocked by operation
Part 40 drives the first lock body 210 to swing in a second direction, so that the second lock body 211 can be swung in a second direction, to convert card
The opening direction of slot 2110 is to unlock backrest frames 20.For example, the operation portion 41 of unlock piece 40 can be operated, so that the first lock
Body 210 is rotated in the clockwise direction, so that the second lock body 211 can be freely rotated along clockwise direction, and then card slot 2110
The rotation of certain angle also occurs along clockwise direction for opening direction, until when the second lock body 211 will not be by 22 backstop of lock core, i.e.,
The unlock to backrest frames 20 is realized, so as to invertible back support skeleton 20.
It should be noted that unlock piece 40 includes the connection being connected between cushion locking part 31 and backrest locking part 21
Portion, and the operation portion 41 being connected on the first lock body 210, interconnecting piece and operation portion 41 can be an entirety, or
It is connected to two parts of the different location of the first lock body 210, the invention is not limited in this regard.
To realize falling for back seat backrest, to increase the volume of luggage boot, backrest frames 20 and cushion skeleton 30
It is the backrest frames and cushion skeleton of vehicle heel row.
In use, pulling on operation portion 41 first, pulled back so as to band rotation connection, to unlock backrest lock simultaneously
Stop 21 and cushion locking part 31, and under the drive of biasing spring 33, while realizing the automatic turning of cushion skeleton 30, at this time
It only needs to fall backrest frames 20, backrest frames 20 can not only be laid flat, and whole operation step is extremely easy, pole
The efficiency of falling of backrest is improved greatly.
A kind of vehicle seat is also claimed in the present invention, which includes hereinbefore detailed backrest and seat cushion combination linkage solution
Latch mechanism.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.