CN103661011B - A kind of backrest and seat cushion combination linkage seat - Google Patents
A kind of backrest and seat cushion combination linkage seat Download PDFInfo
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- CN103661011B CN103661011B CN201210319932.3A CN201210319932A CN103661011B CN 103661011 B CN103661011 B CN 103661011B CN 201210319932 A CN201210319932 A CN 201210319932A CN 103661011 B CN103661011 B CN 103661011B
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- backrest
- driving shaft
- chair frame
- universal driving
- seat
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Abstract
The present invention relates to a kind of backrest（4）With cushion（3）The seat of linkage, including fixed chair frame（1）, be sequentially stacked in fixed chair frame（1）On slip chair frame（2）And cushion（3）；One linkage board（7）Linking above-mentioned three part can be around same center rotating；It is hinged on cushion（3）The backrest of rear end（4）Higher than jointed shaft（5）Position be provided with one pitch rotary shaft（7）, pitch rotary shaft（7）Be moved rearwards by slide chair frame（2）Limitation；One positioner（8）In backrest（4）The position fixed after the completion of angle adjustment between all parts, to keep the backrest angle after adjustment.Seat of the present invention is due to backrest（4）Cushion is driven during adjustment（3）It is overall to move forward, reduce the amount of space for occupying rear passengers.
Description
Technical field
The present invention relates to a kind of vehicle seat used, specifically a kind of backrest and seat cushion combination linkage seat.
Background technology
It is well known that seat is to give people to provide rest.Enable people to bear the common instrument travelled for a long time.Seat
According to the difference with ground or the connection status of loading end, be divided into two kinds of sliding seat and fixing seat, wherein with ground without
It is being fixedly connected, can slide along the ground or it is mobile turn into sliding seat, and seat bottom is fixedly connected with the ground, it is impossible to is departed from
Ground moving or the seat that can not be slid along the ground just turn into fixing seat, under ordinary circumstance, bus and steamer etc.
Seat on the vehicles, inside meeting-place and arenas is mostly fixing seat, and in the backrest and cushion of these fixing seats
It is fixed, sitting can be made one to produce the sensation of fatigue unavoidably, and especially the long period is taken a seat, and such as long-distance travel, be seen
See film and drama etc..It is more comfortable into seated user to make, occur the seat that many backrests can flexibly swing back in the prior art, but if
Simply backrest is swung back and cushion is motionless, when backrest is swung back, the space taken a seat below can be occupied, so as to influence other people take a seat.
In order to solve the problems, such as only to be backrest layback and cushion is motionless influences other people and take a seat, Chinese patent CN2655740Y is public
A kind of seat of cushion and back-rest linked is opened, cushion and the backrest of its synchronous interaction are provided with rec liner mechanisms, and cushion is provided with pendulum
Axle and the rec liner mechanisms being arranged in handrail overlap, and cushion is in parallel with the both sides of backrest to be hinged with connecting rod, is provided according to this patent
The cushion implemented of scheme and back-rest linked seat, because of the mechanism of the controllable backrest layback of device in handrail, cause the seat
Chair can not only adjust comfortable layback posture, and again because cushion is provided with synchronous interaction connecting rod with backrest both sides, therefore,
Cushion synchronously moves forward as backrest is swung back, and makes to feel more comfortable into seated user.But although cushion can move forward,
Be, due to cushion be the layback with backrest and movement, and backrest is swung back using fixed axle as the center of circle, so, backrest
Pivoting can only be enclosed, and be unable to integral forward lead, and cushion also only because the drive of part on backrest below the axle and
Reach, the distance of forward movement is very short, therefore, in this case, when backrest is swung back, due to backrest and cushion can not integrally before
Move, can still take the larger space of the people to take a seat below.This for because backrest lie down influence heel row the problem of improvement unobvious,
And the angle that backrest is lied down is also restrained, its level of comfort substantially reduces than existing backrest adjustment mechanism.Chinese patent
Document CN102152747A discloses a kind of seat with easy entered function, which increases a set of one-touch synchronizing unlocking knot
Structure, by one-touch synchronizing unlocking structure control crank former recliner release lever can be driven to rotate, realize backrest recliner
Unblock, while drive sliding synchronization unlocking board to rotate using with the recliner unlocking board of backrest frames synchronous axial system, and pass through cunning
Rail unblock drag-line drives slide rail unlocking board to rotate, and promotes sliding rail locking mechanism to be unlocked.The prior art uses synchronizing unlocking
Structure, seat back angle and seat fore/aft travel can be adjusted simultaneously, but the synchronizing unlocking structure includes complicated drag-line
Mechanism, overall structure are complex.Its one side is between dynamic environment downhaul difficult arrangement is, it is necessary to avoid dynamic component
Abrasion of the relative motion to drag-line or associated components, the on the other hand elastic characteristic due to drag-line in itself, in the structure of complexity
The problem of operation is insensitive, inconvenient can be produced.
The content of the invention
The technical problems to be solved by the invention are to cause to lean on because the pivotal axis of backrest can not move forward and backward in the prior art
The problem of influence that the back of the body is lied down to heel row improves unobvious, and seat comfort reduces, it is a kind of simple in construction so as to provide, account for
With the small backrest and seat cushion combination linkage seat in space.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
A kind of backrest and seat cushion combination linkage seat, including
Fixed chair frame, is fixed on floor；
Chair frame is slided, is arranged on the top of the fixed chair frame, can the relatively described forward and backward round slip of fixed chair frame；
Push-and-pull part, it is arranged on the top of the slip chair frame and extends along the longitudinal direction, can relatively described slip chair frame
It is forward and backward to reciprocate；
Backrest, its lower end are pivotally connected to by the rear end of a jointed shaft and the push-and-pull part；Rotary shaft is pitched, it is high
It is arranged in the jointed shaft on the backrest, makes the backrest rotatable relative；And constrained by the slip chair frame,
The backrest around the jointed shaft rotate when, drive the push-and-pull part relatively it is described slip chair frame slide back and forth；
Linkage board, it is pivotally connected to by push-and-pull universal driving shaft and the push-and-pull part, by sliding universal driving shaft and the cunning
Dynamic chair frame is pivotally connected to, and is pivotally connected to by fixed universal driving shaft with the fixed chair frame；Linked by the push-and-pull
Axle drives the push-and-pull part and the slip universal driving shaft to drive the slip chair frame same as fulcrum using the fixed universal driving shaft
Moved back and forth before and after step；
Positioner, between at least one pair of relative moving part is set, between two parts by limiting and adjusting correlation
Relative displacement limit the angle of inclination of the backrest.
Two in the push-and-pull universal driving shaft, the slip universal driving shaft and the fixed universal driving shaft are also pivotally connected relatively
Part slide, the relative movement direction of part is in an angle residing for the direction of the slip and each universal driving shaft.
Chair frame slide rail is provided between the fixed chair frame and the slip chair frame.
The push-and-pull part is made up of the cushion for separating and being arranged in the slip chair frame with the slip chair frame, described
Jointed shaft is arranged on the rearward end of the cushion.
Cushion slide rail is provided between the slip chair frame and the cushion.
The flexion-extension rotary shaft is restrained in a manner of relatively described slide chair rack position is fixed；It is arranged on the slide chair
The cushion slide rail between frame and the cushion includes：It is fixed on slip chair frame front end guide plate protruding upward, is located at
The guide plate and the cushion front underside nearby between and be separately positioned on the guide plate with the cushion along described
The bar shaped guiding groove hole of cushion moving direction arrangement and the pilot pin being engaged with the guiding groove hole.
The push-and-pull universal driving shaft is arranged on the first half of the cushion；The slip universal driving shaft is arranged on the slip chair frame
First half.
The slip universal driving shaft is not pivotally connected to slideably between the slip chair frame and the linkage board.
The linkage board is a bar shaped straight panel；Formed in the bar shaped straight panel upper end for slidingly receiving described push away
The upper hopper chute of universal driving shaft is drawn, the push-and-pull universal driving shaft is fixed on the push-and-pull part；It is molded in the bar shaped straight panel bottom
There is the gliding groove for slidingly receiving the fixed universal driving shaft, the fixed universal driving shaft is fixed in the fixed chair frame；Institute
Push-and-pull universal driving shaft, the slip universal driving shaft and the fixed universal driving shaft is stated to keep on same straight line.
The push-and-pull universal driving shaft and it is described slide universal driving shaft between perpendicular to it is described slip universal driving shaft moving direction away from
Slided from less than between the slip universal driving shaft and the fixed universal driving shaft perpendicular to described with a distance from universal driving shaft moving direction.
The fixed universal driving shaft is in the push-and-pull universal driving shaft or the two-end-point straight line line for sliding linkage axial displacement
Midpoint vertical line on.
The end of the bottom of the backrest is a linking arm plate being connected with the backrest bottom, and the backrest passes through institute
State linking arm plate and the be hinged axis connection.
The positioner is to be arranged on the jointed shaft, the flexion-extension rotary shaft, first linkage, second
Recliner on one of dynamic device, the 3rd linkage.
The positioner is arranged between the slip chair frame and the fixed chair frame.
The above-mentioned technical proposal of the present invention compared with prior art the advantages of be that backrest and seat cushion combination of the present invention links seat
Chair, including fixed chair frame, cushion, backrest, the slip chair frame and the hinge of be hinged backrest and cushion being arranged in the fixed chair frame
Spindle, in addition to linkage board, angle device for limiting and the flexion-extension rotary shaft constrained by chair frame is slided being arranged on the backrest.
Wherein described linkage board is pivotally connected to the universal driving shaft for being arranged on the cushion, sliding chair frame, fixing in chair frame, passes through regulation
Angle device for limiting makes the backrest be rotated around the flexion-extension rotary shaft, when backrest is swung back, pitches rotary shaft and suffers restraints, to
Afterwards or downward limitation of movement so that the relative chair frame of sliding of the cushion moves forward, and drives linkage board with the fixed chair
Rotation of the universal driving shaft for fulcrum generation forward on frame, so as to drive the overall of the backrest and cushion to move forward, reduces
Occupy the amount of space of rear passengers.
Brief description of the drawings
In order that present disclosure is more likely to be clearly understood, below in conjunction with the accompanying drawings, the present invention is made further detailed
Thin explanation, wherein,
Fig. 1 is the side view surface structure schematic diagram of the first embodiment of backrest and seat cushion combination linkage seat of the present invention；
Fig. 2 is under the same visual angle of embodiment illustrated in fig. 1, and backrest omits the upper and lower gusset piece of recliner in raised state
Structural representation, wherein double dot dash line represents the installation site of upper and lower gusset piece；
Fig. 3 is under the same visual angle of embodiment illustrated in fig. 1, and backrest omits the upper and lower gusset piece of recliner in the state of falling
Structural representation, wherein double dot dash line represents the installation site of upper and lower gusset piece；
Fig. 4 is the side view surface structure schematic diagram of the second embodiment of backrest and seat cushion combination linkage seat of the present invention；
Fig. 5 be under the same visual angle of embodiment illustrated in fig. 4, backrest raised state middle longitudinal section, installed in seat
The recliner and jointed shaft of both sides are represented with double dot dash line；
Fig. 6 be under the same visual angle of embodiment illustrated in fig. 4, backrest the state of falling middle longitudinal section, installed in seat
The recliner and jointed shaft of both sides are represented with double dot dash line；
Fig. 7 shows a variant embodiment of the second embodiment for being backrest and seat cushion combination linkage seat of the present invention,
The middle longitudinal section of backrest raised state, wherein positioner use the location structure that bearing pin coordinates with groove in chute；
Fig. 8 shows the enlarged drawing of the positioner in Fig. 7 illustrated embodiments；
Fig. 9 is that the side view surface structure of the raised state of the 3rd embodiment of backrest and seat cushion combination linkage seat of the present invention shows
It is intended to；
Figure 10 is under the same visual angle of embodiment illustrated in fig. 9, side view surface structure schematic diagram of the backrest in the state of falling；
Figure 11 is that the raised state of the fourth embodiment of backrest and seat cushion combination of the present invention linkage seat omits recliner
The structural representation of upper and lower gusset piece, wherein double dot dash line represent the installation site of upper and lower gusset piece；
Figure 12 is side view surface structure schematic diagram of the backrest in the state of falling under the same visual angle of embodiment illustrated in fig. 11；
Figure 13 is the structural representation that third embodiment of the invention positioner replaces embodiment；
Figure 14 is the stereogram of positioner shown in Figure 13, is the still knocked-down state of bearing pin；
Figure 15 is the structural representation of another interchangeable positioner in backrest and seat cushion combination linkage seat of the present invention.
Reference is expressed as in figure：1- fixation chair frames, 2- slip chair frames, 3- cushions, 4- backrests, 5- jointed shafts, 6- are faced upward
Bow rotary shaft, 7- linkage boards, 8- positioners, 9- push-and-pull parts, 10- linking arm plates, 11- push-and-pull universal driving shafts, 12- slides
Universal driving shaft, 13- fix universal driving shaft, 14- supporting plates, 15- recliners, the upper gusset pieces of 16-, 17- second line of a couplet fishplate bars, 18- chairs
Frame sliding track, 19- cushion slide rails, 20- guide plates, 21- guiding groove holes, 22- pilot pins, 23- upper hopper chutes, 24- gliding grooves, 25- are erected
To chute, chute in 26-, 27- locating slots, 28- constrained linkages, 29- push-and-pull connecting rods, 30- bearing pins, 31- position fixing handles,
32- detents, 33- installation portions, 34- manual operation units, 35- positioning heads, 36- biasing springs, 37- positioning lack
Mouthful.
Embodiment
As Figure 1-3, it includes fixing the structure of the first embodiment of backrest and seat cushion combination linkage seat of the present invention
Chair frame 1, slide chair frame 2, cushion 3, backrest 4, jointed shaft 5, flexion-extension rotary shaft 6, linkage board 7 and positioner 8.The fixation
Chair frame 1 is fixed on floor；The top slided chair frame 2 and be arranged on the fixed chair frame 1, can relatively described fixed chair frame 1
Forward and backward round slip；The cushion 3 plays a part of push-and-pull part 9, is arranged on the top of the slip chair frame 2, can be with respect to institute
State and slide the forward and backward round slip of chair frame 2；The backrest 4 is arranged on the rear upper of the cushion 3；The jointed shaft 5 is arranged on
The bottom of the backrest 4, by being fixed on the bottom of backrest 4, and the linking arm plate 10 extended downwardly from and the cushion 3
Between the rear end of rear portion, both are articulated and connected；The linkage board 7 and be fixedly installed on the cushion 3 push-and-pull universal driving shaft 11,
The slip universal driving shaft 12 being fixedly installed in the slip chair frame 2 and the fixed connection being fixedly installed in the fixed chair frame 1
Moving axis 13 is pivotally connected to；The flexion-extension rotary shaft 6 is arranged on the backrest 4 higher than the jointed shaft 5, makes the backrest 4
Can be rotatable relative, and the relatively described slip chair frame 2 of supporting plate 14 erected on the side by being fixed on 2 liang of the chair frame of slip
Position is fixedly installed, i.e., described flexion-extension rotary shaft 6 is restrained in a manner of relatively described slip chair frame 2 position is fixed；It is described fixed
Position device 8 is arranged in the flexion-extension rotary shaft 6, and the positioner 8 uses a usual bus seat in the present embodiment
The recliner 15 used, the upper gusset piece 16 of the recliner 15 are still the connection backrest 4, and second line of a couplet fishplate bar 17 connect it is described
Supporting plate 14.From in Fig. 1-3, described to pitch the rotating shaft that rotary shaft 6 is exactly the recliner 15, it passes through the angle modulation
The second line of a couplet fishplate bar 17 of device is relatively fixed with the supporting plate 14 and is connected.Set between the fixed chair frame 1 and the slip chair frame 2
There is chair frame slide rail 18.Sliding cushion slide rail 19 is provided between chair frame 2 and the cushion 3.Wherein described cushion slide rail 19 includes：
Slip chair frame 2 front end guide plate 20 protruding upward is fixed on, is formed on the guide plate 20 along the side of movement of cushion 3
Bar shaped guiding groove hole 21 to arrangement, it is provided near the front underside of cushion 3 and is led with what the guiding groove hole 21 was engaged
Pin 22；The chair frame slide rail 18 uses mechanical slide rail commonly used in the prior art, such as the similar front and rear shifting of guiding car driver's seat
Dynamic slide rail, it can only be moved forward and backward, and can not be moved up and down or be rotated.In the present embodiment, the linkage board 7 is present
Chair both sides respectively set one, and correspondingly the push-and-pull universal driving shaft 11, the slip universal driving shaft 12, the fixed universal driving shaft 13 be also all
Symmetrically it is arranged on the both sides of corresponding component；It is described slip universal driving shaft 12 be fixed on it is described slip chair frame 2 on, and with it is described
Linkage board 7 is not pivotally connected to slideably.The linkage board 7 is a bar shaped straight panel；It is molded in the bar shaped straight panel upper end
There is the upper hopper chute 23 for slidingly receiving the bar shaped well format of the push-and-pull universal driving shaft 11；The bar shaped straight panel bottom into
Type has the gliding groove 24 for slidingly receiving the bar shaped well format of the fixed universal driving shaft 13；The push-and-pull universal driving shaft 11, institute
State and slide universal driving shaft 12 and the fixed universal driving shaft 13 holding on same straight line, and the upper hopper chute 23 and the gliding groove
24 axis direction is consistent with the length direction of the bar shaped straight panel.The push-and-pull universal driving shaft 11 with it is described slip universal driving shaft 12 it
Between the distance perpendicular to the slip moving direction of universal driving shaft 12 be less than slip universal driving shaft 12 and the fixed universal driving shaft
The distance perpendicular to the slip moving direction of universal driving shaft 12 between 13.The fixed universal driving shaft 13 is in push-and-pull linkage
On the midpoint vertical line of the two-end-point straight line line of the displacement of axle 11 (or the two end point connecting line in the slip displacement of universal driving shaft 12
Midpoint vertical line on).The push-and-pull universal driving shaft 11 is arranged on the first half of the cushion 3；The slip universal driving shaft 12 is set
In the first half of the slip chair frame 2.
In use, adjust the recliner 15 so that the backrest 4 is relatively fixed in institute around the flexion-extension rotary shaft 6 of stating
State and slide the supporting plate 14 that erects on the side of 2 liang of chair frame and rotate, be substantially exactly the backrest 4 around the flexion-extension rotary shaft
6 rotate relative to the supporting plate 14.When the backrest 4 from Fig. 2 states to shown in Fig. 3 lie down direction rotate when, due to described
Pitch the relatively described slip chair frame 2 position fixed setting of rotary shaft 6 so that the bottom of backrest 4 rotates relative to described pitch
Axle 6 moves forward, and the cushion 3 that such rear portion rear end is articulated in the bottom of backrest 4 by the jointed shaft 5 is driven edge
Be arranged on the cushion 3 and it is described slide chair frame 2 between the slide rail it is relative it is described slip chair frame 2 move forward.The seat
It is also relative that the relatively described slip chair frame 2 of pad 3 moves forward the push-and-pull universal driving shaft 11 for causing to be fixedly installed on the cushion 3
Moved forward in the slip universal driving shaft 12 being fixedly installed in the slip chair frame 2, and then to be pivotally connected to institute
State push-and-pull universal driving shaft 11 and the linkage board 7 slided on universal driving shaft 12 occurs to rotate accordingly, i.e., as shown in Figure 2 is suitable
Hour hands rotate.Because the gliding groove 24 of the linkage board 7 is articulated in the fixed universal driving shaft being fixed in the fixed chair frame 1
On 13, so that the linkage board 7 is overall to be rotated with the fixed universal driving shaft 13 for rotating fulcrum, and then described in drive
Chair frame 2 is slided along being arranged on the fixed chair frame 1 and the relative fixed chair frame 1 of the slide rail slided between chair frame 2
Move forward, and drive the cushion 3 and the backrest 4 to move forward.It should be noted that because described pitch rotates
The relative position of axle 6 is fixedly provided in the slip chair frame 2, is so arranged in the backrest 4 to when lying down direction rotation
The jointed shaft 5 of the bottom of the backrest 4 is not to be slided along the cushion 3 described in chair frame 2 when moving forward
Moving direction rectilinear movement but the circular arc movement that is rotated around the flexion-extension rotary shaft 6, that is, occur it is upward lifts, so
So that the pilot pin 22 that is set near its front underside of the one side of cushion 3 on the guide plate 20 being engaged into
Tandem slides in the guiding groove hole 21 that type has, while the rotation that the cushion 3 around the pilot pin 22 lift at rear portion.
When the backrest 4 is adjusted to suitable angle, pass through angle locking conventional possessed by the recliner 15 and unblock work(
To carrying out angle locking between the backrest 4 and the supporting plate 14, and then lock the link gear of whole seat.
To a person skilled in the art, it can clearly be understood by described above, be in the backrest 4 rotation
When being rotated to direction of steeving, the link gear of seat will carry out acting on the contrary with above procedure in the present embodiment.Following
In fact there is also same situation in each embodiment, for brevity, following examples are not repeated.
The concrete structure of recliner is not made in the present embodiment and being explained, because making in the prior art
The recliner of various models is suitable in the above-mentioned and examples set forth below of the present invention, and the tool of recliner
Body structure is not the improvement main points of the present invention, and one of ordinary skill in the art can understand on the basis of these embodiments explanation
Ground understands, and implements the various technical schemes of the present invention.
Fig. 4-6 shows the structure of the second embodiment of backrest and seat cushion combination linkage seat of the present invention.With above-mentioned first
Embodiment difference is that the flexion-extension rotary shaft 6, which is arranged on, to be taken shape in the vertical chute 25 in the supporting plate 14, institute
State pitch rotary shaft 6 by relatively it is described slip chair frame 2 move up and down and it is front and rear it is immovable in a manner of it is restrained.It is simultaneously described fixed
Position device 8 is set, and is put on the jointed shaft 5, the angle modulation that the positioner 8 is equally used using a usual bus seat
Device 15, the upper gusset piece 16 of the recliner 15 connects the backrest 4, and second line of a couplet fishplate bar 17 connects the cushion 3.In the seat
Pad 3 and the cushion slide rail (being to show in figure) slided between chair frame 2, are also only carried out using commonly used in the prior art
The mechanical slide rail of translation, the slide rail more movable than guiding car driver's seat as described above.In the present embodiment, the linkage board 7
The push-and-pull universal driving shaft 11 with being fixed on the cushion 3 is not pivotally connected to slideably, and institute is corresponded on the linkage board 7
The position for stating slip universal driving shaft 12 forms the middle chute of the bar shaped well format for slidingly receiving the slip universal driving shaft 12
26, and form the gliding groove for slidingly receiving the fixed universal driving shaft 13 at the position of the corresponding fixed universal driving shaft 13
24.In the present embodiment, the linkage board 7 and the push-and-pull universal driving shaft 11 with matching, the slip universal driving shaft 12 with
And the fixed universal driving shaft 13 is a set of, for supporting plate 14 also to be a set of, these parts are all disposed within the seat transverse width
Middle part.Advantage of this arrangement is that certain space can be vacateed, it is easy to installation and the arrangement of other associated mechanisms or accessory.Together
Shi Suoshu linkage boards 7 are designed using abnormity, correspondingly, the middle chute 26 and the gliding groove 24 and the slip connection being engaged
Moving axis 12 and fixed universal driving shaft 13 are arranged according to the shape of the linkage board 7, as shown in Figure 5,6.The result being so designed that
So that the linkage board 7 must be moved and can lain substantially in the profile of seat, reduce by its moving belt come to passenger's
Influence.
In use, adjust the recliner 15 so that the backrest 4 is around flexion-extension relatively described 3 turns of the cushion of rotary shaft 6
It is dynamic.When the backrest 4 around it is described flexion-extension rotary shaft 6 to lie down direction rotate when, it is described flexion-extension rotary shaft 6 in the vertical chute
Moved down in 25, due to the constraint of the vertical chute 25 so that the limitation of movement backward for pitching rotary shaft 6, so that
Obtain the relatively described flexion-extension rotary shaft 6 in the bottom of backrest 4 to move forward, such rear portion rear end is pivotally connected by the jointed shaft 5
The cushion 3 in the bottom of backrest 4 is driven along the seat being arranged between the cushion 3 and the slip chair frame 2
The relatively described slip chair frame 2 of pad slide rail (not shown) moves forward.The relatively described chair frame 2 of sliding of the cushion 3 is to reach
The dynamic push-and-pull universal driving shaft 11 caused to be fixedly installed on the cushion 3 is also relative to being fixedly installed on the slip chair frame 2
On the slip universal driving shaft 12 move forward, and then cause be pivotally connected to the push-and-pull universal driving shaft 11 and it is described slide connection
Rotating clockwise shown in way occurs for the linkage board 7 on moving axis 12.Because the gliding groove 24 of the linkage board 7 is articulated in
It is fixed on the fixed universal driving shaft 13 in the fixed chair frame 1, so that the linkage board 7 is overall with the fixed connection
Moving axis 13 is that rotating fulcrum is rotated, and then drives the slip chair frame 2 along being arranged on the fixed chair frame 1 and the slip
The relatively described fixed chair frame 1 of the chair frame slide rail 18 between chair frame 2 moves forward, so as to drive the cushion 3 and described
Backrest 4 moves forward, as shown in the figure.It should be noted that the backrest 4 to lie down direction rotate when, due to the flexion-extension
Rotary shaft 6 can be in the vertical chute 25 on taking shape in the supporting plate 14 slidably, so being arranged on the backrest 4
The jointed shaft 5 of bottom is the moving direction straight line along the cushion 3 in the slip chair frame 2 when moving forward
It is mobile, so that the push-and-pull universal driving shaft 11 that the cushion 3 is set near its front underside is along the setting side of slide rail
Move linearly upwards, without the circular arc movement for occurring to rotate around the flexion-extension rotary shaft 6, i.e., generation is upward lifts, therefore,
Under such a embodiment, it is not necessary to which guide plate 20 is set between the cushion 3 and the slip chair frame 2.
In the present embodiment, a kind of interchangeable embodiment is that the positioner 8 is not to use above-mentioned recliner 15,
The jointed shaft 5 uses common pivot.And the positioner 8 is as shown in Figure 7 using the rear wall in the vertical chute 25
On the modes of several locating slots 27 is set from top to bottom, the details of the vertical chute 25 and the locating slot 27 is shown in Fig. 8
Position relationship, dashed circle represent the mode for pitching rotary shaft 6 and being moved along arrow shown in figure.By the way that described pitch is turned
Moving axis 6 is embedded in the different angular adjustments that the backrest 4 is realized in the locating slot 27.
Fig. 9-10 is the structure of the 3rd embodiment of backrest and seat cushion combination of the present invention linkage seat, real with above-mentioned second
Apply a difference to be, the supporting plate 14 for being fixed on slip chair frame 2 both sides is removed, and the institute on the backrest 4
State to pitch and set up a rigid constraint between rotary shaft 6 and the slip universal driving shaft 12 being arranged in the slip chair frame 2
Connecting rod 28, immovably it is pivotally connected between the constrained linkage 28 and the flexion-extension rotary shaft 6 and slip universal driving shaft 12.I.e.
The flexion-extension rotary shaft 6 is restrained by the relatively described slip chair frame 2 of the constrained linkage 28.
In use, adjust the recliner 15 so that the backrest 4 is around flexion-extension relatively described 3 turns of the cushion of rotary shaft 6
It is dynamic.When the backrest 4 around it is described flexion-extension rotary shaft 6 to lie down direction rotate when, due to pitch rotary shaft 6 by it is described constraint connect
The constraint of bar 28, can only along around it is described slip universal driving shaft 12 centered on, the arc using the length of constrained linkage 28 as radius
Track is moved, and so it, which is moved rearwards, is restricted so that the relatively described rotary shaft 6 that pitches in the bottom of backrest 4 is to reach
Dynamic, the cushion 3 that such rear portion rear end is articulated in the bottom of backrest 4 by the jointed shaft 5 is driven along being arranged on institute
The relatively described slip chair frame 2 of cushion 3 and the cushion slide rail 19 slided between chair frame 2 is stated to move forward.The cushion 3
Relatively it is described slide chair frame 2 move forward cause to be fixedly installed on the push-and-pull universal driving shaft 11 on the cushion 3 also relative to
The slip universal driving shaft 12 being fixedly installed in the slip chair frame 2 moves forward, and then so that is pivotally connected to described
Push-and-pull universal driving shaft 11 and the linkage board 7 slided on universal driving shaft 12 occur to rotate accordingly, due to the linkage board 7
Gliding groove 24, which is articulated in, to be fixed on the fixed universal driving shaft 13 in the fixed chair frame 1, so that the linkage board 7 is whole
Body is that rotating fulcrum is rotated with the fixed universal driving shaft 13, and then drives the slip chair frame 2 along being arranged on the fixation
Chair frame 1 and the relatively described fixed chair frame 1 of the chair frame slide rail 18 slided between chair frame 2 move forward, and drive institute
State cushion 3 and the backrest 4 moves forward, as shown in the figure.It should be noted that the constrained linkage is used in the present embodiment
28 instead of the supporting plate 14 in above-described embodiment.The constrained linkage 28 only constrains the flexion-extension rotary shaft 6 and the cunning
The distance between dynamic universal driving shaft 12 relation.So in the backrest 4 to when lying down direction rotation, the flexion-extension rotary shaft 6 is backward
Movement is restricted, and the jointed shaft 5 for making to be arranged on the bottom of the backrest 4 moves forward, but the flexion-extension simultaneously
Downward movement can occur for rotary shaft 6, so the jointed shaft 5 of the bottom of the backrest 4 is arranged on when moving forward,
It is the moving direction rectilinear movement along the cushion 3 in the slip chair frame 2, so that the cushion 3 is in its front end following table
The push-and-pull universal driving shaft 11 that face is nearby set moves linearly along in the setting direction of slide rail, without occurring to turn around described pitch
The circular arc movement that moving axis 6 rotates, i.e., generation is upward lifts, therefore need not be between the cushion 3 and the slip chair frame 2
Guide plate 20 is set.
Referring to Figure 11-12, the structure of backrest and seat cushion combination linkage seat fourth embodiment of the present invention is shown, it is and above-mentioned
Each embodiment difference is that the push-and-pull part 9 no longer uses the cushion 3, and it is independent to be independently of the cushion 3
The push-and-pull connecting rod 29 of setting.In the present embodiment, described one end of push-and-pull connecting rod 29 is connected with the jointed shaft 5, and its other end turns
Move but be not slidably connected the push-and-pull universal driving shaft 11.In the present embodiment, between the slip chair frame 2 and the linkage board 6
By the slip universal driving shaft 12 and rotation but it is not slidably connected.The positioner 8 as above-mentioned embodiment still
The recliner 15 equally used using a usual bus seat, and it is arranged on the jointed shaft 5 or the flexion-extension rotary shaft 6
On.In the present embodiment, only the chair frame slide rail 18 is provided between the fixed chair frame 1 and the slip chair frame 2, and the cunning
It is dynamic to be fixedly installed between chair frame 2 and the cushion 3, or in the form of an overall cushion 3, i.e., as the cushion 3, rise again
To the effect of the slip chair frame 2.The chair frame slide rail 18 set between the fixed chair frame 1 and the slip chair frame 2
Still with above-described embodiment, using the mechanical slide rail commonly used in the prior art only translated.
In use, adjust the recliner 15 so that the backrest 4 is around flexion-extension relatively described 3 turns of the cushion of rotary shaft 6
It is dynamic.When the backrest 4 around the flexion-extension rotary shaft 6 to when lying down direction and rotating, each implemented by above-mentioned due to pitching rotary shaft 6
Example in restraining structure constraint, be moved rearwards and be restricted so that the bottom of backrest 4 relatively it is described flexion-extension rotary shaft 6 to
Preceding movement, the push-and-pull connecting rod 29 is driven to move forward, because the push-and-pull connecting rod 29 and the linkage board 7 are by being arranged on two
The push-and-pull universal driving shaft 11 between person is articulated and connected, and the relatively described slip chair frame 2 of the push-and-pull universal driving shaft 11 is occurred forward
It is mobile, and then under the linkage effect of the linkage board 7, drive the slip universal driving shaft 12 to occur with the fixed universal driving shaft 13
Moved forward for rotating clockwise for fulcrum, and the drive cushion 3 and the backrest 4.As shown in the figure.Need what is illustrated
It is, due to being not provided with any position being connected with the stripe board or the universal driving shaft on the cushion 3, therefore,
When adjusting 4 angle of backrest, the cushion 3 relative to the slip chair frame 2 all without any movement occurs, therefore in such a feelings
Under condition, slide rail can not be set between the cushion 3 and the slip chair frame 2.
In above-mentioned each embodiment, the positioner 8 employs conventional recliner 15.As a kind of replacement side
Formula, referring to Figure 13-14, in the third embodiment of the present invention, the flexion-extension rotary shaft 6 and the jointed shaft 5 are all using usual
Pivot connection way, as shown in figure 13.The positioner 8 be arranged on the fixed chair frame 1 with it is described slip chair frame 2 it
Between.Show that it includes being fixed in the slip chair frame 2 in fig. 14, along perpendicular to the slip moving direction water of chair frame 2
One bearing pin 30 of flat extension；A position fixing handle 31 being pivotally mounted on the bearing pin 30；And it is molded over the chair
On the track portion that frame sliding track 18 is fixed with the fixed chair frame 1, what is set along slip chair frame 2 moving direction one is ranked position
Groove 32.The bearing pin 30 shown in figure is in the state being not yet installed in place, and chain-dotted line shows the installation position of its association.
The position fixing handle 31 has an installation portion 33 with through hole, a manual operation unit 34 and a positioning head 35, one
Biasing spring 36 applies the biasing force towards the detent 32 in the fixed chair frame 1 to the positioning head 35.
In use, user moves the manual operation unit 34, the position fixing handle 31 is set to overcome the biasing spring 36
Biasing force and rotate, this be the position fixing handle the manual operation unit 34 from the embedded detent 32 take off
Go out, user adjusts the angle of the backrest 4 so that the slip chair frame 2 is moved forward and backward to a suitable position, is now made
User unclamps the active force acted on the manual operation unit 34 so that the position fixing handle 31 is in the biasing spring 36
The lower reversely deflection of effect, makes in the detent 32 corresponding to the insertion of positioning head 35, thus completes corresponding described
The angle adjustment of backrest 4.
Obviously it can be set as those skilled in the art under the prompting of above-described embodiment by the recliner 15
The enlightenment on the jointed shaft 5 or flexion-extension rotary shaft 6 is put, through corresponding structural adjustment, and the recliner 15 is set
In the push-and-pull universal driving shaft 11, slide on one of universal driving shaft 12 or fixed universal driving shaft 13.
Similarly, in using embodiment of the cushion 3 as the push-and-pull part 9, in above-mentioned replacement embodiment
The positioner 8 structure type by appropriate change can also be applied to slip chair frame 2 and the cushion 3 it
Between, in first embodiment, it is arranged on the pilot pin 22 of the side lower of cushion 3 and is arranged on the described of the slip chair frame 2
It is used for the mode of the locating notch 37 for the lower edge of the guiding groove hole 21 shaping that the pilot pin 22 is slidably matched on guide plate 20, sees figure
15.When adjusting 4 angle of backrest, user first lifts the front portion of cushion 3, the pilot pin 22 is taken off from the locating notch 37
Separate out and, then adjust the angle of the backrest 4, the front portion of cushion 3 is put down after the completion of adjustment, the pilot pin 22 is embedded in phase
In the locating notch 37 answered, the adjustment of the angle of backrest 4 is completed.In fig.15 due to the cushion slide rail with it is described fixed
Position device is made up of same group parts, therefore mark 8 and 19 all points to this group of component.
In the embodiment above, all it is to be fixed on the push-and-pull universal driving shaft 11 on the cushion 3, the slip universal driving shaft
12 are fixed in the slip chair frame 2, and the fixed universal driving shaft 13 is fixed in the fixed chair frame 1, and the upper cunning
Groove 23, the middle chute 26 and the gliding groove 24, which are all molded on the linkage board 7, to be illustrated.For art
For technical staff, the push-and-pull universal driving shaft 11, the slip universal driving shaft 12 and the fixed universal driving shaft 13 are fixed to institute
State on linkage board 7, and the upper hopper chute 23 is molded on the relevant position of the cushion 3, the middle chute 26 is molded over
On the relevant position for sliding chair frame 2, and the gliding groove 24 is molded on the relevant position of the fixed chair frame 1,
Corresponding function equally to realize in above example should be obvious.
The background knowledge of one of ordinary skill in the art is it can be clearly understood that the connection of all parts due to the present invention
Relation causes such structure inherently to have the function that to be oriented to.Therefore under the premise of ensureing to slide smoothly, in the fixation
Between chair frame 1 and the slip chair frame 2 and special chair frame is not provided between the slip chair frame 2 and the cushion 3 to slide
Rail 18 or cushion slide rail 19 are also to be capable of normal use.
In addition, in above-mentioned each embodiment, it is vertical between the push-and-pull universal driving shaft 11 and the slip universal driving shaft 12
It is less than in the distance of the slip moving direction of universal driving shaft 12 between the slip universal driving shaft 12 and the fixed universal driving shaft 13
Perpendicular to the distance of the slip moving direction of universal driving shaft 12.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (14)
- The seat 1. a kind of backrest and seat cushion combination links, includingFixed chair frame (1), is fixed on floor；Chair frame (2) is slided, is arranged on the top of the fixed chair frame (1), can the relatively described forward and backward round cunning of fixed chair frame (1) It is dynamic；Push-and-pull part (9), it is arranged on the top of the slip chair frame (2) and extends along the longitudinal direction, can relatively described slide chair Frame (2) is forward and backward to be reciprocated；Backrest (4), its lower end are pivotally connected to by the rear end of a jointed shaft (5) and the push-and-pull part (9)；It is characterized in that：Also includeRotary shaft (6) is pitched, is arranged on higher than the jointed shaft (5) on the backrest (4), makes the backrest (4) can be with respect to it Rotation；And by slip chair frame (2) constraint, when the backrest (4) rotates around the jointed shaft (5), pushed away described in drive The relatively described slip chair frame (2) of part (9) is drawn to slide back and forth；Linkage board (7), it is pivotally connected to by push-and-pull universal driving shaft (11) and the push-and-pull part (9), by sliding universal driving shaft (12) it is pivotally connected to the slip chair frame (2), and by fixing universal driving shaft (13) and the fixed chair frame (1) pivotally Connection；Driven by the push-and-pull universal driving shaft (11) described in the push-and-pull part (9) and slip universal driving shaft (12) drive It is to move back and forth before and after fulcrum synchronization that chair frame (2), which is slided, with the fixed universal driving shaft (13), wherein the linkage board (7), described Push-and-pull universal driving shaft (11), the slip universal driving shaft (12), the fixed universal driving shaft (13) are right in fixed chair frame (1) left and right Claim to be provided with two；Positioner (8), between at least one pair of relative moving part is set, between two parts by limiting and adjusting correlation Relative displacement limits the angle of inclination of the backrest (4).
- The seat 2. backrest and seat cushion combination according to claim 1 links, it is characterised in that：It is the push-and-pull universal driving shaft (11), described The two also relative parts being pivotally connected slided in universal driving shaft (12) and the fixed universal driving shaft (13) slide, the slip Direction and the relative movement direction of part residing for each universal driving shaft are in an angle.
- The seat 3. backrest and seat cushion combination according to claim 2 links, it is characterised in that：The fixed chair frame (1) with it is described Chair frame slide rail (18) is provided between slip chair frame (2).
- 4. the backrest and seat cushion combination linkage seat according to claim 1-3 any one, it is characterised in that：The push-and-pull part (9) it is made up of the cushion (3) for separating and being arranged on the slip chair frame (2) with the slip chair frame (2), the jointed shaft (5) it is arranged on the rearward end of the cushion (3).
- The seat 5. backrest and seat cushion combination according to claim 4 links, it is characterised in that：It is described slip chair frame (2) with it is described Cushion slide rail (19) is provided between cushion (3).
- The seat 6. backrest and seat cushion combination according to claim 5 links, it is characterised in that：The flexion-extension rotary shaft (6) is with relative The mode that described slip chair frame (2) position is fixed is restrained；It is arranged between the slip chair frame (2) and the cushion (3) The cushion slide rail (19) includes：It is fixed on described slip chair frame (2) front end guide plate (20) protruding upward, is located at the guide plate (20) and the cushion (3) front underside nearby between and be separately positioned on the guide plate (20) and the cushion (3) The bar shaped guiding groove hole (21) arranged along the cushion moving direction and the pilot pin (23) being engaged with the guiding groove hole (21).
- The seat 7. backrest and seat cushion combination according to claim 6 links, it is characterised in that：The push-and-pull universal driving shaft (11) is arranged on The first half of the cushion (3)；The first half for sliding universal driving shaft (12) and being arranged on the slip chair frame (2).
- The seat 8. backrest and seat cushion combination according to claim 7 links, it is characterised in that：The slip universal driving shaft (12) is described Slide and be not pivotally connected to slideably between chair frame (2) and the linkage board (7).
- The seat 9. backrest and seat cushion combination according to claim 8 links, it is characterised in that：The linkage board (7) is that a bar shaped is straight Plate；The upper hopper chute for slidingly receiving the push-and-pull universal driving shaft (11) is formed in the bar shaped straight panel upper end, it is described to push away Universal driving shaft (11) is drawn to be fixed on the push-and-pull part (9)；Formed in the bar shaped straight panel bottom for slidingly receiving The gliding groove of the fixed universal driving shaft (13), the fixed universal driving shaft (13) are fixed on the fixed chair frame (1)；The push-and-pull Universal driving shaft (11), the slip universal driving shaft (12) and the fixed universal driving shaft (13) are kept on same straight line.
- The seat 10. backrest and seat cushion combination according to claim 9 links, it is characterised in that：The push-and-pull universal driving shaft (11) and institute State the distance perpendicular to described slip universal driving shaft (12) moving direction slided between universal driving shaft (12) and be less than the slip linkage The distance perpendicular to described slip universal driving shaft (12) moving direction between axle (12) and the fixed universal driving shaft (13).
- The seat 11. backrest and seat cushion combination according to claim 10 links, it is characterised in that：The fixed universal driving shaft (13) is in On the midpoint vertical line of the push-and-pull universal driving shaft (11) or the two-end-point straight line line for sliding universal driving shaft (12) displacement.
- The seat 12. backrest and seat cushion combination according to claim 11 links, it is characterised in that：The end of the bottom of the backrest (4) Portion is a linking arm plate (10) being connected with the backrest (4) bottom, the backrest (4) by the linking arm plate (10) with Jointed shaft (5) connection.
- The seat 13. backrest and seat cushion combination according to claim 12 links, it is characterised in that：The positioner (8) is setting In one of the jointed shaft (5), the flexion-extension rotary shaft (6), the first linkage, the second linkage, the 3rd linkage On recliner (15).
- The seat 14. backrest and seat cushion combination according to claim 1 links, it is characterised in that：The positioner (8) is arranged on institute State and slide between chair frame (2) and the fixed chair frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210319932.3A CN103661011B (en) | 2012-08-31 | 2012-08-31 | A kind of backrest and seat cushion combination linkage seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210319932.3A CN103661011B (en) | 2012-08-31 | 2012-08-31 | A kind of backrest and seat cushion combination linkage seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103661011A CN103661011A (en) | 2014-03-26 |
| CN103661011B true CN103661011B (en) | 2017-12-12 |
Family
ID=50300214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210319932.3A Active CN103661011B (en) | 2012-08-31 | 2012-08-31 | A kind of backrest and seat cushion combination linkage seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103661011B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104840030B (en) * | 2015-03-26 | 2018-03-13 | 永艺家具股份有限公司 | A kind of seat back of the body linkage chair |
| AU2017246905B2 (en) | 2016-04-05 | 2020-01-23 | Pride Mobility Products Corporation | Seat positioning system for a wheelchair |
| CN111098763A (en) * | 2019-12-26 | 2020-05-05 | 重庆延锋安道拓汽车部件***有限公司 | Sliding rail concealed lying chair |
| CN113281491B (en) * | 2021-06-09 | 2022-03-22 | 中国海洋大学 | Slurry shield excavation face stable model test system |
| CN116370112B (en) * | 2023-06-07 | 2023-08-25 | 中日友好医院(中日友好临床医学研究所) | Adjustable intervention ultrasonic doctor performs operation special chair |
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| US20030025371A1 (en) * | 1999-06-02 | 2003-02-06 | Alberto Veneruso | Chair with improved cradle motion, particularly for aircrafts |
| CN2655740Y (en) * | 2003-10-20 | 2004-11-17 | 昝贺伏 | Seat and back-rest linked chair |
| JP2005112237A (en) * | 2003-10-09 | 2005-04-28 | Toyota Auto Body Co Ltd | Vehicle seat |
| CN201049599Y (en) * | 2007-06-29 | 2008-04-23 | 上海交运汽车精密冲压件有限公司 | Linkwork for high speed train seat cushion and backrest |
| KR20120126346A (en) * | 2011-05-11 | 2012-11-21 | 주식회사다스 | Seat frame of vehicles seat |
| CN102871387A (en) * | 2012-09-19 | 2013-01-16 | 杭州立宏科技有限公司 | Chair capable of regulating seat cushion and backrest by joint means |
| CN202728006U (en) * | 2012-08-31 | 2013-02-13 | 青年汽车集团有限公司 | Seat with backrest and seat cushion in linkage with each other |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030025371A1 (en) * | 1999-06-02 | 2003-02-06 | Alberto Veneruso | Chair with improved cradle motion, particularly for aircrafts |
| JP2005112237A (en) * | 2003-10-09 | 2005-04-28 | Toyota Auto Body Co Ltd | Vehicle seat |
| CN2655740Y (en) * | 2003-10-20 | 2004-11-17 | 昝贺伏 | Seat and back-rest linked chair |
| CN201049599Y (en) * | 2007-06-29 | 2008-04-23 | 上海交运汽车精密冲压件有限公司 | Linkwork for high speed train seat cushion and backrest |
| KR20120126346A (en) * | 2011-05-11 | 2012-11-21 | 주식회사다스 | Seat frame of vehicles seat |
| CN202728006U (en) * | 2012-08-31 | 2013-02-13 | 青年汽车集团有限公司 | Seat with backrest and seat cushion in linkage with each other |
| CN102871387A (en) * | 2012-09-19 | 2013-01-16 | 杭州立宏科技有限公司 | Chair capable of regulating seat cushion and backrest by joint means |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103661011A (en) | 2014-03-26 |
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