CN103661011A - Seat provided with backrest and seat cushion in linkage - Google Patents
Seat provided with backrest and seat cushion in linkage Download PDFInfo
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- CN103661011A CN103661011A CN201210319932.3A CN201210319932A CN103661011A CN 103661011 A CN103661011 A CN 103661011A CN 201210319932 A CN201210319932 A CN 201210319932A CN 103661011 A CN103661011 A CN 103661011A
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- 230000007246 mechanism Effects 0.000 description 7
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Abstract
The invention relates to a seat provided with a backrest (4) and a seat cushion (3) in linkage. The seat provided with the backrest (4) and the seat cushion (3) in linkage comprises a fixed seat frame (1), a sliding seat frame (2) and the seat cushion (3), wherein the sliding seat frame (2) and the seat cushion (3) are sequentially arranged on the fixed seat frame (1) in an overlapped mode, a linkage plate (7) is in linkage with the three components and can rotate around the same center along with the three components, the backrest (4) hinged to the rear end of the seat cushion (3) is provided with a pitching rotation shaft (7) at the position higher than a hinging shaft (5), backward motion of the pitching rotation shaft (7) is limited by the sliding seat frame (2), and a positioning device (8) fixes the positions among all the components after angle adjustment of the backrest (4) is finished in order to keep the adjusted angle of the backrest. Due to the fact that the seat cushion (3) is driven to overall move forwards when the backrest (4) is adjusted, the seat reduces the occupied space for a back passenger.
Description
Technical field
The present invention relates to a kind of vehicle seat used, a kind of backrest and seat cushion combination interlock seat specifically.
Background technology
As everyone knows, seat is to provide rest to people.Make people can bear the common instrument of long travelling.Seat is different according to the coupled condition from ground or carrying surface, be divided into self folding seat and fixing two kinds of seats, wherein with ground without being fixedly connected with, can be along the self folding seat that becomes of taxiing or movement, and seat bottom is fixedly connected with ground, can not depart from ground moving or can not just become fixedly seat along the seat of taxiing, under general run of thins, city motor bus, on the vehicle such as steamer, the seat of meeting-place and arenas the inside is mostly fixedly seat, and at these, fixedly backrest and the cushion of seat are also fixing, sitting can make people produce tired sensation unavoidably, especially the long period is taken a seat, as long-term travel, watch film and drama etc.More comfortable for making into seat person, in prior art, there is the seat that a lot of backrests can be swung back flexibly, if but just backrest layback and cushion is motionless when backrest is swung back, can occupy the space of taking a seat below, thereby affect other people taking a seat.
In order to solve, it is only backrest layback and cushion is motionless affects the problem that other people take a seat, Chinese patent CN2655740Y discloses the seat of a kind of cushion and back-rest linked, cushion and the backrest of its synchronous interaction are provided with rec liner mechanisms, cushion is provided with balance staff and the rec liner mechanisms overlap joint being arranged in handrail, the both sides connecting rod that is hinged with in parallel of cushion and backrest, the cushion of the scheme implementation providing according to this patent and the seat of back-rest linked, because having installed the mechanism that can control backrest layback in handrail, cause this seat not only can regulate comfortable layback attitude, and again because cushion and backrest both sides are provided with synchronous interaction connecting rod, therefore, cushion synchronously moves forward along with backrest layback, make to feel more comfortable into seat person.But, although cushion can move forward,, because cushion is along with the layback of backrest is moved, and backrest to be the axle fixed be center of circle layback, so, backrest can only enclose and sway, and can not integral forward lead, and cushion also just moves forward owing to being positioned at the drive of the part of axle below on backrest, the distance moving forward is very short, therefore, in such cases, during backrest layback, can not integral forward lead due to backrest and cushion, still can take the people's who takes a seat larger space below.This is not obvious for lie down after impact row's the improvement of problem because of backrest, and the angle that backrest is lied down is also restricted, and its level of comfort reduces greatly than existing backrest adjusting mechanism.Chinese patent literature CN102152747A discloses a kind of seat with easy entered function, it has increased a set of one-touch synchronizing unlocking structure, by one-touch synchronizing unlocking structure bar handle, can drive former recliner release lever to rotate, realize the release of backrest recliner, utilize simultaneously and synchronize the recliner unlocking board drive sliding synchronization unlocking board rotation of rotating with backrest frames, and drive slide rail unlocking board to rotate by slide rail release drag-line, promote sliding rail locking mechanism and carry out release.The prior art adopts synchronizing unlocking structure, stroke before and after adjusting seat backrest angle and seat simultaneously, but described synchronizing unlocking structure comprises complicated drawing cable mechanism, integral structure is comparatively complicated.It is on the one hand in dynamic environment downhaul difficult arrangement, need to avoid relative motion between the dynamic component wearing and tearing to drag-line or associated components, due to the elastic behavior of drag-line itself, in complicated structure, can produce insensitive, the inconvenient problem of operation on the other hand.
Summary of the invention
Technical matters to be solved by this invention is that in prior art, the pivotal axis because of backrest can not move forward and backward, causing backrest to lie down improves not obvious on rear row's impact, and the problem that seat comfort reduces, thereby provide a kind of simple in structure, the backrest and seat cushion combination interlock seat that takes up room little.
For solving the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A backrest and seat cushion combination interlock seat, comprises
Fixedly chair frame, is fixed on floor;
Slip chair frame, is arranged on the top of described fixedly chair frame, can the forward and backward round slip of relatively described fixedly chair frame;
Push-and-pull parts, are arranged on the top of described slip chair frame and extend along fore-and-aft direction, can be relative to forward and backward round movement of described slip chair frame;
Backrest, its lower end is pivotally connected to by the rear end of a jointed shaft and described push-and-pull parts; Face upward the turning cylinder of bowing, higher than described jointed shaft, be arranged on described backrest, described backrest can be rotated relative to it; And retrained by described slip chair frame, at described backrest, when described jointed shaft rotates, drive the relatively described slip chair frame of described push-and-pull parts front and back to slide;
Linkage board, is pivotally connected to by push-and-pull universal driving shaft and described push-and-pull parts, by slip universal driving shaft and described slip chair frame, is pivotally connected to, and by fixedly universal driving shaft and described fixedly chair frame are pivotally connected to; By described push-and-pull universal driving shaft, drive described push-and-pull parts and described slip universal driving shaft to drive described slip chair frame to take described fixedly universal driving shaft moves back and forth before and after fulcrum is synchronous;
Registration device, arranges between at least one pair of relative moving part, by limiting and regulating relative displacement between two relevant parts to limit the angle of inclination of described backrest.
Two parts that also relative institute pivotable connects in described push-and-pull universal driving shaft, described slip universal driving shaft and described fixedly universal driving shaft slide, and the direction that relatively moves of the direction of this slip and each universal driving shaft parts of living in is an angle.
Between described fixedly chair frame and described slip chair frame, be provided with chair frame slide rail.
Described push-and-pull parts consist of cushion separated with described slip chair frame and that be arranged in described slip chair frame, and described jointed shaft is arranged on the rearward end of described cushion.
Between described slip chair frame and described cushion, be provided with cushion slide rail.
Describedly face upward the turning cylinder of bowing with relatively described seat adjustment chord position, to put fixing mode restrained; Being arranged on described slip chair frame comprises with the described cushion slide rail between described cushion: be fixed on described slip chair frame front end guide plate protruding upward, be located near described guide plate and described cushion front end lower surface between and be separately positioned on described guide plate with on described cushion along sitting the bar shaped guiding groove hole of described pad moving direction layout and the pilot pin matching with described guiding groove hole.
Described push-and-pull universal driving shaft is arranged on the forebody of described cushion; Described slip universal driving shaft is arranged on the forebody of described slip chair frame.
Described slip universal driving shaft is not pivotally connected to slidably between described slip chair frame and described linkage board.
Described linkage board is the straight plate of a bar shaped; In the straight plate of described bar shaped upper end, form for holding slidably the upper hopper chute of described push-and-pull universal driving shaft, described push-and-pull universal driving shaft is fixed on described push-and-pull parts; In the straight plate of described bar shaped bottom, form for holding slidably the gliding groove of described fixedly universal driving shaft, described fixedly universal driving shaft is fixed in described fixedly chair frame; Described push-and-pull universal driving shaft, described slip universal driving shaft and described fixedly universal driving shaft remain on same straight line.
The vertical distance as for described slip universal driving shaft moving direction between described push-and-pull universal driving shaft and described slip universal driving shaft is less than described slip universal driving shaft and described fixedly hanging down as for the distance of described slip universal driving shaft moving direction between universal driving shaft.
On the middle point vertical line of the two-end-point straight line line of described fixedly universal driving shaft in described push-and-pull universal driving shaft or the displacement of described slip universal driving shaft.
The end of the bottom of described backrest is a connecting arm plate being connected with described backrest bottom, and described backrest is connected with described jointed shaft by described connecting arm plate.
Described registration device be arranged on described jointed shaft, described in face upward the recliner on one of the turning cylinder of bowing, described the first linkage, the second linkage, the 3rd linkage.
Described registration device is arranged on described slip chair frame and described fixedly between chair frame.
Technique scheme of the present invention advantage is compared to existing technology, backrest and seat cushion combination interlock seat of the present invention, comprise fixedly chair frame, cushion, backrest, be arranged on slip chair frame in described fixedly chair frame and the jointed shaft of hinged backrest and cushion, also comprise linkage board, angle device for limiting and be arranged on the turning cylinder of bowing of facing upward of the chair frame constraint of being slided on described backrest.Wherein said linkage board and be arranged on described cushion, slip chair frame, fixedly the universal driving shaft in chair frame is pivotally connected to, by adjusting angle device for limiting, described backrest is rotated around the described turning cylinder of bowing of facing upward, when backrest is swung back, facing upward the turning cylinder of bowing suffers restraints, backward or downward limitation of movement, described cushion relative sliding chair frame is moved forward, driving the universal driving shaft that linkage board be take in described fixedly chair frame is fulcrum generation rotation forward, thereby drive the integral body of described backrest and cushion to move forward, reduced the amount of space of occupying rear passengers.
Accompanying drawing explanation
For content of the present invention is more likely to be clearly understood, below in conjunction with accompanying drawing, the present invention is further detailed explanation, wherein,
Fig. 1 is the side-looking surface structure schematic diagram of the first embodiment of backrest and seat cushion combination interlock seat of the present invention;
Fig. 2 is under same visual angle embodiment illustrated in fig. 1, and backrest is erecting state, omits the structural representation of the upper and lower gusset piece of recliner, and wherein long and two-short dash line represents the installation site of upper and lower gusset piece;
Fig. 3 is under same visual angle embodiment illustrated in fig. 1, and backrest, at the state of falling, omits the structural representation of the upper and lower gusset piece of recliner, and wherein long and two-short dash line represents the installation site of upper and lower gusset piece;
Fig. 4 is the side-looking surface structure schematic diagram of the second embodiment of backrest and seat cushion combination interlock seat of the present invention;
Fig. 5 is under same visual angle embodiment illustrated in fig. 4, and backrest is erecting the middle longitudinal section of state, and the recliner and the jointed shaft that are arranged on seat both sides represent with long and two-short dash line;
Fig. 6 is under same visual angle embodiment illustrated in fig. 4, and backrest is at the middle longitudinal section of the state of falling, and the recliner and the jointed shaft that are arranged on seat both sides represent with long and two-short dash line;
Fig. 7 shows a distortion embodiment of the second embodiment that is backrest and seat cushion combination interlock seat of the present invention, erects the middle longitudinal section of state at backrest, wherein the location structure of bearing pin and groove fit in registration device employing chute;
Fig. 8 shows the enlarged drawing of the registration device in Fig. 7 illustrated embodiment;
Fig. 9 is the side-looking surface structure schematic diagram of the state that erects of the 3rd embodiment of backrest and seat cushion combination of the present invention interlock seat;
Figure 10 is under same visual angle embodiment illustrated in fig. 9, and backrest is at the side-looking surface structure schematic diagram of the state of falling;
Figure 11 is the structural representation of the upper and lower gusset piece that omits recliner of the state that erects of the 4th embodiment of backrest and seat cushion combination of the present invention interlock seat, and wherein long and two-short dash line represents the installation site of upper and lower gusset piece;
Figure 12 is under same visual angle embodiment illustrated in fig. 11, and backrest is at the side-looking surface structure schematic diagram of the state of falling;
Figure 13 is the structural representation that third embodiment of the invention registration device is replaced embodiment;
Figure 14 is the block diagram of registration device shown in Figure 13, is bearing pin knocked-down state still;
Figure 15 is the structural representation of another interchangeable registration device in backrest and seat cushion combination interlock seat of the present invention.
In figure, Reference numeral is expressed as: 1-is chair frame fixedly, 2-slip chair frame, 3-cushion, 4-backrest, 5-jointed shaft, 6-faces upward the turning cylinder of bowing, 7-linkage board, 8-registration device, 9-push-and-pull parts, 10-connecting arm plate, 11-push-and-pull universal driving shaft, 12-slip universal driving shaft, 13-is universal driving shaft fixedly, 14-stay bearing plate, 15-recliner, the upper gusset piece of 16-, 17-second line of a couplet fishplate bar, 18-chair frame slide rail, 19-cushion slide rail, 20-guide plate, 21-guiding groove hole, 22-pilot pin, 23-upper hopper chute, 24-gliding groove, the vertical chute of 25-, chute in 26-, 27-positioning groove, 28-constrained linkage, 29-push-and-pull connecting rod, 30-bearing pin, 31-position fixing handle, 32-detent, 33-installation portion, 34-manual operation unit, 35-locates head, 36-biasing spring, 37-locating notch.
The specific embodiment
As Figure 1-3, it comprises fixedly chair frame 1, slip chair frame 2, cushion 3, backrest 4, jointed shaft 5, faces upward the turning cylinder 6 of bowing, linkage board 7 and registration device 8 structure of the first embodiment of backrest and seat cushion combination of the present invention interlock seat.Described fixedly chair frame 1 is fixed on floor; Described slip chair frame 2 is arranged on the top of described fixedly chair frame 1, can the forward and backward round slip of relatively described fixedly chair frame 1; Described cushion 3 plays the effect of push-and-pull parts 9, is arranged on the top of described slip chair frame 2, can the forward and backward round slip of relatively described slip chair frame 2; Described backrest 4 is arranged on the top, rear portion of described cushion 3; Described jointed shaft 5 is arranged on the bottom of described backrest 4, by being fixed on described backrest 4 bottoms, and between the connecting arm plate 10 stretching out downwards and the rear end, rear portion of described cushion 3, both is articulated and connected; Described linkage board 7 be fixedly installed on push-and-pull universal driving shaft 11 on described cushion 3, be fixedly installed on the slip universal driving shaft 12 in described slip chair frame 2 and the fixedly universal driving shaft 13 that is fixedly installed in described fixedly chair frame 1 is pivotally connected to; The described turning cylinder 6 of bowing of facing upward is arranged on described backrest 4 higher than described jointed shaft 5, described backrest 4 can be rotated relative to it, and be fixedly installed by being fixed on the relatively described slip chair frame of stay bearing plate 14 2 positions that described slip chair frame 2 both sides upwards erect, face upward the turning cylinder 6 of bowing described in restrained in the fixing mode in relatively described slip chair frame 2 positions; Described in described registration device 8 is arranged on, faces upward and bow on turning cylinder 6, the recliner 15 that described registration device 8 adopts a common bus seat to use in the present embodiment, the upper gusset piece 16 of described recliner 15 is still and connects described backrest 4, and second line of a couplet fishplate bar 17 connects described stay bearing plate 14.In Fig. 1-3, described in to face upward the turning cylinder 6 of bowing be exactly the rotating shaft of described recliner 15, its second line of a couplet fishplate bar 17 by described recliner and relative being fixedly connected with of described stay bearing plate 14.Between described fixedly chair frame 1 and described slip chair frame 2, be provided with chair frame slide rail 18.Between slip chair frame 2 and described cushion 3, be provided with cushion slide rail 19.Wherein said cushion slide rail 19 comprises: be fixed on described slip chair frame 2 front ends guide plate 20 protruding upward, on described guide plate 20, form the bar shaped guiding groove hole 21 of arranging along described cushion 3 moving directions, near described cushion 3 front end lower surfaces, be provided with the pilot pin 22 matching with described guiding groove hole 21; Described chair frame slide rail 18 adopts mechanical slide rail conventional in prior art, and such as the slide rail that similar guiding car driver's seat moves forward and backward, it only can move forward and backward, and can not move up and down or rotate.In the present embodiment, described linkage board 7 respectively arranges one in seat both sides, and correspondingly described push-and-pull universal driving shaft 11, described slip universal driving shaft 12, described fixedly universal driving shaft 13 are also all symmetrically arranged on the both sides of corresponding component; Described slip universal driving shaft 12 is fixed in described slip chair frame 2, and is not pivotally connected to slidably with described linkage board 7.Described linkage board 7 is the straight plate of a bar shaped; In the straight plate of described bar shaped upper end, form for holding slidably the upper hopper chute 23 of the bar hole form of described push-and-pull universal driving shaft 11; In the straight plate of described bar shaped bottom, form for holding slidably the gliding groove 24 of the bar hole form of described fixedly universal driving shaft 13; Described push-and-pull universal driving shaft 11, described slip universal driving shaft 12 and described fixedly universal driving shaft 13 remain on same straight line, and the axis direction of described upper hopper chute 23 and described gliding groove 24 is consistent with the length direction of the straight plate of described bar shaped.The vertical distance as for described slip universal driving shaft 12 moving directions between described push-and-pull universal driving shaft 11 and described slip universal driving shaft 12 is less than hanging down as for the distance of described slip universal driving shaft 12 moving directions between described slip universal driving shaft 12 and described fixedly universal driving shaft 13.On the middle point vertical line of the two-end-point straight line line of described fixedly universal driving shaft 13 in described push-and-pull universal driving shaft 11 displacements (or on middle point vertical line of the two-end-point line in described slip universal driving shaft 12 displacements).Described push-and-pull universal driving shaft 11 is arranged on the forebody of described cushion 3; Described slip universal driving shaft 12 is arranged on the forebody of described slip chair frame 2.
During use, regulate described recliner 15, making described backrest 4 face upward the turning cylinder 6 of bowing and rotate relative to being fixed on the described stay bearing plate 14 that described slip chair frame 2 both sides upwards erect around described stating, is exactly in fact that described backrest 4 rotates relative to described stay bearing plate 14 around the described turning cylinder 6 of bowing of facing upward.When described backrest 4 is from Fig. 2 state to lying down direction while rotating shown in Fig. 3, because the described relatively described slip chair frame of the turning cylinder 6 of bowing 2 positions of facing upward are fixedly installed, make described backrest 4 bottoms face upward the turning cylinder 6 of bowing described in relatively and move forward, the described cushion 3 that rear end, rear portion is articulated in described backrest 4 bottoms by described jointed shaft 5 is like this driven along being arranged on described cushion 3 and moves forward with the relative described slip chair frame 2 of described slide rail between described slip chair frame 2.The relatively described slip chair frame 2 of described cushion 3 moves forward the described push-and-pull universal driving shaft 11 that causes being fixedly installed on described cushion 3 and also with respect to the described slip universal driving shaft 12 being fixedly installed in described slip chair frame 2, moves forward, and then make to be pivotally connected to described linkage board on described push-and-pull universal driving shaft 11 and described slip universal driving shaft 12 7 corresponding rotation occurs, be i.e. clockwise rotating as shown in Figure 2.Because the gliding groove 24 of described linkage board 7 is articulated on the described fixedly universal driving shaft 13 being fixed in described fixedly chair frame 1, making so described linkage board 7 integral body take described fixedly universal driving shaft 13 rotates as rotating fulcrum, and then drive described slip chair frame 2 to move forward with the relative described fixedly chair frame 1 of described slide rail between described slip chair frame 2 along being arranged on described fixedly chair frame 1, and drive described cushion 3 and described backrest 4 to move forward.It should be noted that, because described turning cylinder 6 relative positions of bowing of facing upward are arranged in described slip chair frame 2 regularly, like this at described backrest 4 to lying down direction while rotating, be arranged on the described jointed shaft 5 of bottom of described backrest 4 when moving forward, it is not the moving direction traveling priority in described slip chair frame 2 but face upward the circular arc that the turning cylinder 6 of bowing rotates and move around described along described cushion 3, what occur to make progress lifts, linear slide before and after in the described guiding groove hole 21 forming on the described guide plate 20 that so also makes described cushion 3 match near the described pilot pin 22 arranging its front end lower surface on the one hand, described cushion 3 carries out around described pilot pin 22 rotation that lift at rear portion simultaneously.When described backrest 4 is adjusted to suitable angle, the conventional angle locking having by described recliner 15 and release merit be to carrying out angle locking between described backrest 4 and described stay bearing plate 14, and then lock the link gear of whole seat.
For one of ordinary skill in the art, by above-mentioned explanation, can clearly understand, at described backrest 4, rotate when rotating to the direction of steeving, in the present embodiment, the link gear of seat will carry out moving on the contrary with above process.In each following embodiment, in fact also have same situation, for for purpose of brevity, following examples are not repeated.
The concrete structure of recliner is not made and being explained in the present embodiment, this is because the recliner of the various models used is all applicable in the above-mentioned and embodiment that the following describes of the present invention in prior art, and the concrete structure of recliner is not improvement main points of the present invention, one of ordinary skill in the art can be expressly understood, and implement various technical scheme of the present invention on the basis of these embodiment explanations.
Fig. 4-6 have shown the structure of the second embodiment of backrest and seat cushion combination interlock seat of the present invention.Be with above-mentioned the first embodiment difference, described in face upward the turning cylinder 6 of bowing and be arranged in the vertical chute 25 taking shape on described stay bearing plate 14, described in face upward that the turning cylinder 6 of bowing moves up and down with relatively described slip chair frame 2 and the immovable mode in front and back is restrained.Described registration device 8 is established and is put on described jointed shaft 5 simultaneously, the same recliner 15 that adopts a common bus seat to use of described registration device 8, and the upper gusset piece 16 of described recliner 15 connects described backrest 4, and second line of a couplet fishplate bar 17 connects described cushion 3.Described cushion slide rail between described cushion 3 and described slip chair frame 2 (in figure for illustrating), also adopts the mechanical slide rail that only carries out translation conventional in prior art, the slide rail moving forward and backward such as above-mentioned guiding car driver's seat.In the present embodiment, described linkage board 7 is not pivotally connected to slidably with the described push-and-pull universal driving shaft 11 being fixed on described cushion 3, on described linkage board 7, the position of corresponding described slip universal driving shaft 12 forms for holding slidably the chute 26 of the bar hole form of described slip universal driving shaft 12, and forms for holding slidably the gliding groove 24 of described fixedly universal driving shaft 13 at the position of the described fixedly universal driving shaft 13 of correspondence.In the present embodiment, described linkage board 7 and described push-and-pull universal driving shaft 11 with matching, described slip universal driving shaft 12 and described fixedly universal driving shaft 13 are a set of, and stay bearing plate 14 is also a set of, and these parts are all arranged on the middle part of described seat transverse width.The advantage of arranging is like this to vacate certain space, is convenient to installation and the layout of other associated mechanisms or accessory.Simultaneously described linkage board 7 adopts abnormity design, and correspondingly, described middle chute 26 and described gliding groove 24 and the slip universal driving shaft 12 matching and fixedly universal driving shaft 13 arrange according to the shape of described linkage board 7, as shown in Figure 5,6.So the result of design must be moved substantially within the scope of the profile in seat described linkage board 7, reduces and moves by it impact bringing passenger.
During use, regulate described recliner 15, described backrest 4 is rotated relative to described cushion 3 around the described turning cylinder 6 of bowing of facing upward.When described backrest 4 around the described turning cylinder 6 of bowing of facing upward to lying down direction while rotating, the described turning cylinder 6 of bowing of facing upward moves down in described vertical chute 25, constraint due to vertical chute 25, described in making, face upward the limitation of movement backward of the turning cylinder 6 of bowing, thereby making described backrest 4 bottoms face upward the turning cylinder 6 of bowing described in relatively moves forward, the described cushion 3 that rear end, rear portion is articulated in described backrest 4 bottoms by described jointed shaft 5 is like this driven along being arranged on described cushion 3 and moves forward with the relative described slip chair frame 2 of described cushion slide rail (not shown) between described slip chair frame 2.The relatively described slip chair frame 2 of described cushion 3 moves forward the described push-and-pull universal driving shaft 11 that causes being fixedly installed on described cushion 3 and also with respect to the described slip universal driving shaft 12 being fixedly installed in described slip chair frame 2, moves forward, and then clockwise rotating shown in way occurs the described linkage board 7 that makes to be pivotally connected on described push-and-pull universal driving shaft 11 and described slip universal driving shaft 12.Because the gliding groove 24 of described linkage board 7 is articulated on the described fixedly universal driving shaft 13 being fixed in described fixedly chair frame 1, making so described linkage board 7 integral body take described fixedly universal driving shaft 13 rotates as rotating fulcrum, and then drive described slip chair frame 2 to move forward with the relative described fixedly chair frame 1 of described chair frame slide rail 18 between described slip chair frame 2 along being arranged on described fixedly chair frame 1, thereby drive described cushion 3 and described backrest 4 to move forward, as shown in the figure.It should be noted that, at described backrest 4 to lying down direction while rotating, because the described turning cylinder 6 of bowing of facing upward can be free to slide in the vertical chute 25 on taking shape in described stay bearing plate 14, so be arranged on the described jointed shaft 5 of bottom of described backrest 4 when moving forward, it is the moving direction traveling priority in described slip chair frame 2 along described cushion 3, make so near described push-and-pull universal driving shaft 11 that described cushion 3 arranges its front end lower surface along the setting party of the slide rail traveling priority that makes progress, and can not occur to move around the described circular arc of facing upward turning cylinder 6 rotations of bowing, what occur to make progress lifts, therefore, under this kind of embodiment, need between described cushion 3 and described slip chair frame 2, guide plate 20 be set.
In the present embodiment, a kind of interchangeable embodiment is that described registration device 8 is not to adopt above-mentioned recliner 15, and described jointed shaft 5 adopts common pivot.And described registration device 8 adopts the mode that several positioning grooves 27 are set from top to bottom on the rear wall of described vertical chute 25 as shown in Figure 7, in Fig. 8, show the details position relationship of described vertical chute 25 and described positioning groove 27, described in dashed circle represents, face upward the mode that the turning cylinder 6 of bowing moves along arrow shown in figure.By the described turning cylinder 6 of bowing of facing upward is embedded to the different angular adjustment that realizes described backrest 4 in described positioning groove 27.
Fig. 9-10 are the structure of the 3rd embodiment of backrest and seat cushion combination interlock seat of the present invention, be with above-mentioned the second embodiment difference, the stay bearing plate 14 that is fixed on described slip chair frame 2 both sides is removed, and on described backrest 4 described in face upward and bow turning cylinder 6 and be arranged on the constrained linkage 28 of setting up a rigidity between the described slip universal driving shaft 12 in described slip chair frame 2, described constrained linkage 28 with described in face upward the immovably pivotable of bowing between turning cylinder 6 and slip universal driving shaft 12 and be connected.Described in, face upward the turning cylinder 6 of bowing restrained by the relatively described slip chair frame 2 of described constrained linkage 28.
During use, regulate described recliner 15, described backrest 4 is rotated relative to described cushion 3 around the described turning cylinder 6 of bowing of facing upward.When described backrest 4 around the described turning cylinder 6 of bowing of facing upward to lying down direction while rotating, owing to facing upward the turning cylinder 6 of bowing and be subject to the constraint of described constrained linkage 28, can only be along centered by described slip universal driving shaft 12, the arching trajectory that described constrained linkage 28 length of take are radius moves, so it moves and is restricted backward, making described backrest 4 bottoms face upward the turning cylinder 6 of bowing described in relatively moves forward, the described cushion 3 that rear end, rear portion is articulated in described backrest 4 bottoms by described jointed shaft 5 is like this driven along being arranged on described cushion 3 and moves forward with the relative described slip chair frame 2 of described cushion slide rail 19 between described slip chair frame 2.The relatively described slip chair frame 2 of described cushion 3 moves forward the described push-and-pull universal driving shaft 11 that causes being fixedly installed on described cushion 3 and also with respect to the described slip universal driving shaft 12 being fixedly installed in described slip chair frame 2, moves forward, and then there is corresponding rotation in the described linkage board 7 that makes to be pivotally connected on described push-and-pull universal driving shaft 11 and described slip universal driving shaft 12, because the gliding groove 24 of described linkage board 7 is articulated on the described fixedly universal driving shaft 13 being fixed in described fixedly chair frame 1, making so described linkage board 7 integral body take described fixedly universal driving shaft 13 rotates as rotating fulcrum, and then drive described slip chair frame 2 to move forward with the relative described fixedly chair frame 1 of described chair frame slide rail 18 between described slip chair frame 2 along being arranged on described fixedly chair frame 1, and drive described cushion 3 and described backrest 4 to move forward, as shown in the figure.It should be noted that, in the present embodiment, adopt described constrained linkage 28 to substitute the stay bearing plate 14 in above-described embodiment.Described in only retraining, described constrained linkage 28 faces upward the distance relation of bowing between turning cylinder 6 and described slip universal driving shaft 12.Like this at described backrest 4 to lying down direction while rotating, the described turning cylinder 6 of bowing of facing upward moves and is restricted backward, and the described jointed shaft 5 that makes to be arranged on the bottom of described backrest 4 moves forward, but simultaneously, face upward the turning cylinder 6 of bowing downward movement can occur, so be arranged on the described jointed shaft 5 of bottom of described backrest 4 when moving forward, it is the moving direction traveling priority in described slip chair frame 2 along described cushion 3, make so near described push-and-pull universal driving shaft 11 that described cushion 3 arranges its front end lower surface along the setting party of the slide rail traveling priority that makes progress, and can not occur to move around the described circular arc of facing upward turning cylinder 6 rotations of bowing, what occur to make progress lifts, therefore need between described cushion 3 and described slip chair frame 2, guide plate 20 be set.
Referring to Figure 11-12, the structure that shows backrest and seat cushion combination interlock seat of the present invention the 4th embodiment, be with above-mentioned each embodiment difference, described push-and-pull parts 9 no longer adopt described cushion 3, but are independent of the push-and-pull connecting rod 29 that described cushion 3 arranges separately.In the present embodiment, described push-and-pull connecting rod 29 one end are connected with described jointed shaft 5, and its other end rotates but the described push-and-pull universal driving shaft 11 that can not be slidably connected.In the present embodiment, between described slip chair frame 2 and described linkage board 6, by described slip universal driving shaft 12, be also rotate but can not be slidably connected.The recliner 15 that described registration device 8 still adopts equally a common bus seat to use as above-described embodiment, and be arranged on described jointed shaft 5 or described in face upward and bow on turning cylinder 6.In the present embodiment, only between described fixedly chair frame 1 and described slip chair frame 2, be provided with described chair frame slide rail 18, and be fixedly installed between described slip chair frame 2 and described cushion 3, or with the form of a whole cushion 3, as described cushion 3, play again the effect of described slip chair frame 2.The described chair frame slide rail 18 arranging between described fixedly chair frame 1 and described slip chair frame 2 is the same in still with above-described embodiment, adopts the mechanical slide rail that only carries out translation of commonly using in prior art.
During use, regulate described recliner 15, described backrest 4 is rotated relative to described cushion 3 around the described turning cylinder 6 of bowing of facing upward.When described backrest 4 around the described turning cylinder 6 of bowing of facing upward to lying down direction while rotating, owing to facing upward the turning cylinder 6 of bowing and be subject to the constraint of restraining structure in the various embodiments described above, move and be restricted backward, making described backrest 4 bottoms face upward the turning cylinder 6 of bowing described in relatively moves forward, drive described push-and-pull connecting rod 29 to move forward, because described push-and-pull connecting rod 29 and described linkage board 7 are articulated and connected by the described push-and-pull universal driving shaft 11 being arranged between the two, the relatively described slip chair frame 2 of described push-and-pull universal driving shaft 11 is moved forward, and then under the interlock effect of described linkage board 7, what to drive described slip universal driving shaft 12 that described fixedly universal driving shaft 13 occurs to take be fulcrum clockwise rotates, and drive described cushion 3 and described backrest 4 to move forward.As shown in the figure.It should be noted that, due to the position that is not provided with any and described stripe board or described universal driving shaft is connected on described cushion 3, therefore, while regulating described backrest 4 angle, relative to described slip chair frame 2, can there is not any movement in described cushion 3, therefore in such cases, can between described cushion 3 and described slip chair frame 2, slide rail be set.
In above-mentioned each embodiment, described registration device 8 has all adopted conventional recliner 15.As a kind of substitute mode, referring to Figure 13-14, in the third embodiment of the present invention, described in face upward bow turning cylinder 6 and described jointed shaft 5 and all adopt common pivotal joint mode, as shown in figure 13.Described registration device 8 is arranged between described fixedly chair frame 1 and described slip chair frame 2.In Figure 14, having shown that it comprises is fixed in described slip chair frame 2, along perpendicular to the horizontally extending bearing pin 30 of described slip chair frame 2 moving directions; Be pivotally mounted on a position fixing handle 31 on described bearing pin 30; And be molded over the fixing slide rail of described chair frame slide rail 18 and described fixedly chair frame 1 and partly go up, along a registration groove 32 of described slip chair frame 2 moving directions settings.The state of the described bearing pin 30 showing in figure in being not yet in place, long and short dash line shows the installation position that it is associated.Described position fixing handle 31 has 33, one manual operation units 34 of installation portion with through hole and 35, one biasing springs 36 of a location head apply the biasing force of the described detent 32 in described fixedly chair frame 1 to described location head 35.
During use, user moves described manual operation unit 34, make described position fixing handle 31 overcome the biasing force of described biasing spring 36 and rotate, this is that the described manual operation unit 34 of described position fixing handle is deviate from from embedded described detent 32, user adjusts the angle of described backrest 4, make described slip chair frame 2 move forward and backward a suitable position, now user unclamps the application force acting on described manual operation unit 34, make the oppositely deflection under the effect of described biasing spring 36 of described position fixing handle 31, described location head 35 is embedded in corresponding described detent 32, complete thus corresponding described backrest 4 angular adjustment.
As those skilled in the art, under the prompting of above-described embodiment, obviously can be arranged on described jointed shaft 5 or face upward the enlightenment of bowing on turning cylinder 6 by described recliner 15, through corresponding structural adjustment, and described recliner 15 is arranged on to described push-and-pull universal driving shaft 11, slip universal driving shaft 12 or fixedly on one of universal driving shaft 13.
In like manner, in the embodiment that adopts described cushion 3 as described push-and-pull parts 9, in above-mentioned replacement embodiment the version of described registration device 8 also can be applied between described slip chair frame 2 and described cushion 3 through suitable change, in the first embodiment, be arranged on the described cushion basifacial pilot pin 22 of 3 side and be arranged on the described guide plate 20 of described slip chair frame 2 mode for the locating notch 37 of the described guiding groove hole 21 lower edge moulding of described pilot pin 22 bearing fits, see Figure 15.While adjusting backrest 4 angle, user first lifts described cushion 3 front portions, described pilot pin 22 is spun off from described locating notch 37, then adjust the angle of described backrest 4, after completing, adjustment puts down described cushion 3 front portions, described pilot pin 22 is embedded in corresponding described locating notch 37, complete the adjustment of described backrest 4 angles.In Figure 15, because described cushion slide rail and described registration device consist of same group of parts, so mark 8 and 19 all points to this group assembly.
In above embodiment, all to be fixed on described cushion 3 with described push-and-pull universal driving shaft 11, described slip universal driving shaft 12 is fixed in described slip chair frame 2, and described fixedly universal driving shaft 13 is fixed in described fixedly chair frame 1, and described upper hopper chute 23, described middle chute 26 and described gliding groove 24 are all molded on described linkage board 7 and describe.For one of ordinary skill in the art, described push-and-pull universal driving shaft 11, described slip universal driving shaft 12 and described fixedly universal driving shaft 13 are fixed on described linkage board 7, and described upper hopper chute 23 is molded on the relevant position of described cushion 3, described middle chute 26 is molded on the relevant position of described slip chair frame 2, and described gliding groove 24 is molded on the relevant position of described fixedly chair frame 1, the corresponding function of realizing equally in above embodiment should be apparent.
One of ordinary skill in the art's background knowledge can be expressly understood, because the annexation of all parts of the present invention causes such structure itself just to have the effect of guiding.Therefore under the prerequisite that guarantees to slide smoothly, between described fixedly chair frame 1 and described slip chair frame 2 and between described slip chair frame 2 and described cushion 3, special chair frame slide rail 18 is not set or cushion slide rail 19 also can normally be used.
In addition, in above-mentioned each embodiment, the vertical distance as for described slip universal driving shaft 12 moving directions between described push-and-pull universal driving shaft 11 and described slip universal driving shaft 12 is less than hanging down as for the distance of described slip universal driving shaft 12 moving directions between described slip universal driving shaft 12 and described fixedly universal driving shaft 13.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And the apparent variation of being extended out thus or change are still among the protection domain in the invention.
Claims (14)
1. a backrest and seat cushion combination interlock seat, comprises
Fixedly chair frame (1), is fixed on floor;
Slip chair frame (2), is arranged on the top of described fixedly chair frame (1), can the forward and backward round slip of relatively described fixedly chair frame (1);
Push-and-pull parts (9), are arranged on the top of described slip chair frame (2) and extend along fore-and-aft direction, can be relative to forward and backward round movement of described slip chair frame (2);
Backrest (4), its lower end is pivotally connected to by a jointed shaft (5) and the rear end of described push-and-pull parts (9);
It is characterized in that: also comprise
Face upward the turning cylinder of bowing (6), higher than described jointed shaft (5), be arranged on described backrest (4) upper, described backrest (4) can be rotated relative to it; And be subject to described slip chair frame (2) constraint, at described backrest (4), when described jointed shaft (5) rotates, drive the relatively described slip chair frames of described push-and-pull parts (9) (2) front and back to slide;
Linkage board (7), by push-and-pull universal driving shaft (11) and described push-and-pull parts (9), be pivotally connected to, by slip universal driving shaft (12) and described slip chair frame (2), be pivotally connected to, and by fixedly universal driving shaft (13) and described fixedly chair frame (1) are pivotally connected to; By described push-and-pull universal driving shaft (11), drive described push-and-pull parts (9) and described slip universal driving shaft (12) to drive described slip chair frame (2) to take described fixedly universal driving shaft (13) moves back and forth before and after fulcrum is synchronous;
Registration device (8), arranges between at least one pair of relative moving part, by limiting and regulating relative displacement between two relevant parts to limit the angle of inclination of described backrest (4).
2. backrest and seat cushion combination according to claim 1 interlock seat, it is characterized in that: two parts that also relative institute pivotable connects in described push-and-pull universal driving shaft (11), described slip universal driving shaft (12) and described fixedly universal driving shaft (13) slide, and the direction that relatively moves of the direction of this slip and each universal driving shaft parts of living in is an angle.
3. backrest and seat cushion combination interlock seat according to claim 1 and 2, is characterized in that: between described fixedly chair frame (1) and described slip chair frame (2), be provided with chair frame slide rail (18).
4. according to the backrest and seat cushion combination interlock seat described in claim 1-3 any one, it is characterized in that: described push-and-pull parts (9) consist of cushion (3) separated with described slip chair frame (2) and that be arranged in described slip chair frame (2), and described jointed shaft (5) is arranged on the rearward end of described cushion (3).
5. according to the backrest and seat cushion combination interlock seat described in claim 1-4 any one, it is characterized in that: between described slip chair frame (2) and described cushion (3), be provided with cushion slide rail (19).
6. backrest and seat cushion combination according to claim 5 interlock seat, is characterized in that: described in to face upward the turning cylinder of bowing (7) restrained in the fixing mode in relatively described slip chair frame (2) position; Being arranged on described slip chair frame (2) comprising with the described cushion slide rail (19) between described cushion (3): be fixed on described slip chair frame (2) front end guide plate (20) protruding upward, be located near described guide plate (20) and described cushion (3) front end lower surface between and be separately positioned on described guide plate (20) with on described cushion (3) along sitting the bar shaped guiding groove hole (21) of described pad moving direction layout and the pilot pin (23) matching with described guiding groove hole (21).
7. according to the backrest and seat cushion combination interlock seat described in claim 4-6 any one, it is characterized in that: described push-and-pull universal driving shaft (11) is arranged on the forebody of described cushion (3); Described slip universal driving shaft (12) is arranged on the forebody of described slip chair frame (2).
8. according to the backrest and seat cushion combination interlock seat described in claim 1-7 any one, it is characterized in that: described slip universal driving shaft (12) is not pivotally connected to slidably between described slip chair frame (2) and described linkage board (7).
9. backrest and seat cushion combination interlock seat according to claim 8, is characterized in that: described linkage board (7) is the straight plate of a bar shaped; In the straight plate of described bar shaped upper end, form for holding slidably the upper hopper chute of described push-and-pull universal driving shaft (11), described push-and-pull universal driving shaft (11) is fixed on described push-and-pull parts (9); In the straight plate of described bar shaped bottom, form for holding slidably the gliding groove of described fixedly universal driving shaft (13), described fixedly universal driving shaft (13) is fixed in described fixedly chair frame (1); Described push-and-pull universal driving shaft (11), described slip universal driving shaft (12) and described fixedly universal driving shaft (13) remain on same straight line.
10. according to the backrest and seat cushion combination interlock seat described in claim 1-9 any one, it is characterized in that: the vertical distance as for described slip universal driving shaft (12) moving direction between described push-and-pull universal driving shaft (11) and described slip universal driving shaft (12) is less than hanging down as for the distance of described slip universal driving shaft (12) moving direction between described slip universal driving shaft (12) and described fixedly universal driving shaft (13).
11. according to the backrest and seat cushion combination interlock seat described in claim 1-10 any one, it is characterized in that: on the middle point vertical line of the two-end-point straight line line of described fixedly universal driving shaft (13) in described push-and-pull universal driving shaft (11) or described slip universal driving shaft (12) displacement.
12. according to the backrest and seat cushion combination interlock seat described in claim 1-11 any one, it is characterized in that: the end of the bottom of described backrest (4) is a connecting arm plate (10) being connected with described backrest (4) bottom, described backrest (4) is connected with described jointed shaft (5) by described connecting arm plate (10).
13. according to the backrest and seat cushion combination interlock seat described in claim 1-12 any one, it is characterized in that: described registration device (8) for be arranged on described jointed shaft (5), described in face upward the recliner (15) on one of the turning cylinder of bowing (7), described the first linkage, the second linkage, the 3rd linkage.
14. according to the backrest and seat cushion combination interlock seat described in claim 1-12 any one, it is characterized in that: described registration device (8) is arranged between described slip chair frame (2) and described fixedly 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 |
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| Publication Number | Publication Date |
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| CN103661011A true CN103661011A (en) | 2014-03-26 |
| CN103661011B CN103661011B (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210319932.3A Active CN103661011B (en) | 2012-08-31 | 2012-08-31 | A kind of backrest and seat cushion combination linkage seat |
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| CN (1) | CN103661011B (en) |
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| CN104840030A (en) * | 2015-03-26 | 2015-08-19 | 浙江永艺家具股份有限公司 | Seat and backrest linkage chair |
| CN109152686A (en) * | 2016-04-05 | 2019-01-04 | 优动产品公司 | seat positioning system for wheelchair |
| CN111098763A (en) * | 2019-12-26 | 2020-05-05 | 重庆延锋安道拓汽车部件系统有限公司 | Sliding rail concealed lying chair |
| CN113281491A (en) * | 2021-06-09 | 2021-08-20 | 中国海洋大学 | Slurry shield excavation face stable model test system |
| CN115534776A (en) * | 2022-10-13 | 2022-12-30 | 宁波宝贝第一母婴用品有限公司 | Safety seats |
| CN116370112A (en) * | 2023-06-07 | 2023-07-04 | 中日友好医院(中日友好临床医学研究所) | An adjustable interventional ultrasound doctor's special surgery chair |
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| CN115303138B (en) | 2022-09-14 | 2024-08-27 | 蔚来汽车科技(安徽)有限公司 | Car seat and car having the same |
| CN218986409U (en) | 2022-10-08 | 2023-05-09 | 蔚来汽车科技(安徽)有限公司 | Automobile seat and automobile with same |
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