CN2470183Y - Turning-over roller-moving automobile-chair - Google Patents

Abstract

The utility model provides a coach seat with moveable rollers, primarily comprising a headrest turning mechanism, a backrest turning mechanism, and moveable roller mechanisms at the front and the back of a seat bracket. The utility model is characterized in that the headrest can rotates with an angle of 360 degree and can be positioned at the place of the angle of 180 degree; the backrest can be turned forward and backward and the seat bracket can be moved forward and backward accordingly with a small distance so as to make the headrest and the backrest of the turned seat in right positions and the front end of a pad higher than the back end, therefore the passengers feel comfortable on the seat; legroom is provided, providing convenience for the passengers in two lines to talk, handle affairs or to entertain. The utility model is particularly suitable for long-distance coaches big or small.

Description

Twist rollers moves automotive seat

The utility model relates to seat, and specifically a kind of twist rollers moves automotive seat.

At present, the chair overwhelming majority that takes on the automobile installs by a direction, and is if the passenger on the front-seat chair need talk with the passenger on the row's chair of back or turn around talk, very inconvenient when taking; Though indivedual special turnover arm-chairs of also adorning, upset back headrest can not rotate, seat cushion can not form the low state in the high rear end of front end, mounting can not mobile respective distance, no legroom, and traveling comfort is poor, particularly long-distance taking, fatigue easily.

The twist rollers that the purpose of this utility model provides a kind of ride comfort moves automotive seat, and after it had the backrest upset, headrest can be done 360 ° of rotations arbitrarily, and 180 ° of location, seat cushion keeps front end to be higher than the rear end automatically, and the mobile backward naturally respective distance of mounting, reserves characteristics such as legroom.

To achieve these goals, the technical scheme that the utility model is taked is: this twist rollers moves automotive seat and comprises headrest, backrest, cushion and mounting, it is characterized in that it also comprises:

---the headrest rotating mechanism, be sleeved on by columniform slip vertical rod bearing fit in the sleeve of screw rod cover, the vertical rod upper end is affixed with middle part, headrest frame lower end, neck laterally is equipped with locating dowel pin, lower end is equipped with reseting pressuring spring, it is disc that screw rod puts end face, which is provided with the below that positioning groove is in locating dowel pin, screw rod cover be packed in the cylindrical shape nut thread that the backrest neck takes on and be connected;

---the backrest switching mechanism, in the mounting both sides, transmission arm is set symmetrically, hook pin is housed on the arm, the lower end of transmission arm one end and backrest side flexibly connects, transmission arm rotating shaft on the other end and the mounting side plate flexibly connects, rotating shaft horizontal direction both sides, left lock hook shaft and right lock hook shaft are housed, a left side, right latch hook waist respectively with a left side, right lock hook shaft is movable to be connected, latch hook lower end, a left side one side connects with foot-operated switch is movable, and opposite side connects with the push rod lower end is movable, push rod upper end and movable connection of right latch hook upper end, latch hook extension spring horizontal direction clasp joint is passed through on set pin in right latch hook lower end, the hook end back side of two latch hooks is fixed with locating dowel pin, and hook pin when transmission arm is stopped locating dowel pin on the arm and latch hook crook coincide;

---mounting moves forward and backward roller mechanism, both sides below mounting, before being provided with symmetrically, after, a left side, right 4 scalene polygon roller plates, the preceding jag of the back jag of preliminary roller plate and back roller plate nearby is provided with knock hole, the last jag of roller plate flexibly connects by upper bracket and mounting bottom surface, following jag flexibly connects by undersetting and base anchor, before, interlock location shifting block is housed below the mounting between two upper brackets of back roller plate inner face, shifting block one end is connected with bar handle, the other end and fastening screw flexibly connect, fastening screw only with the knock hole contraposition of that roller plate that lands, shifting block middle part, interlock location by shifting block extension spring horizontal direction clasp joint on the bending bearing.

The utility model has the advantages that: 1, after the backrest upset, headrest also can be done 360 ° of rotations arbitrarily, and 180 ° of location, makes the normal seat of headrest and backrest retainer posture.2, the cushion front end is higher than rear end, ride comfort all the time.3, after backrest overturn, whole mounting also can correspondingly move some distances, leaves the space of putting pin, and convenient front and back two rows' passengers talk, do things or amusement.

Fig. 1 is the working state schematic representation of this seat.

Fig. 2 is the rotating mechanism view of resting the head among Fig. 1.

Fig. 3 is the switching mechanism scheme drawing of backrest among Fig. 1.

Fig. 4 is that mounting moves forward and backward the roller mechanism scheme drawing among Fig. 1.

Below in conjunction with accompanying drawing the utility model is done to describe in further detail:

In Fig. 1, the 1st, headrest, the 2nd, the head rest back of the body, the 3rd, cushion.

Fig. 2 is the rotating mechanism view of resting the head among Fig. 1, and a is that the master looks, b is side-looking, c is that locating dowel pin is raised the state enlarged view that the back breaks away from positioning groove.Among the figure, the 4th, the external packing lining of cavernous body, the 5th, the bracing frame of headrest, the 6th, connect the slip vertical rod of bracing frame, it is sleeved in the tube of screw rod cover 7, be bearing fit, the lower end is stage clip 11 and plain cushion 10, be installed on the termination by dish screw 9, the 8th, be welded in changeless coupling nut on the back rest, the screw rod cover is spun in the coupling nut, by jam nut 12 lockings, the upper surface of screw rod cover is a disc, has positioning groove 14 (seeing c among the figure) on it, and locating dowel pin 13 is horizontally installed in the vertical rod neck on positioning groove.When upwards carrying when resting the head on hand, slip vertical rod 6 by on draw, stage clip 11 is compressed simultaneously, locating dowel pin 13 breaks away from positioning groove 14, state as c among the figure, loose one's grip when rotating to 180 ° smoothly, by the expansion force of stage clip 11 locating dowel pin is drawn in and is clamped in the positioning groove and locate, realized that headrest turns to for 180 °.

Fig. 3 is the switching mechanism scheme drawing of backrest among Fig. 1.The upset of backrest is to realize the front and back upset by the linkage that is installed in symmetrically on the mounting biside plate, and a cover, synchronization action are respectively arranged about linkage.Side plate is connected with mounting.As seen from the figure, the a pair of latch hooks 20,26 that connect with lock hook shaft 16,27 activities are housed on the side plate 28, the lower end one side activity of right latch hook 26 connects foot-operated switch 15, the movable lower push-rod 34 that connects of opposite side, flap 33 and 23 movable connections of universal driving shaft are housed between two latch hooks, the left side, flap lower end connects with the lower push-rod upper end is movable, the right connects with upper push-rod 24 lower ends are movable, the upper push-rod upper end connects with the upper end of right latch hook 26 is movable, two latch hook back are provided with left limit pin 17 and right limit pin 25, constitute stop mechanism jointly.A pair of transmission arm rotating shaft 32 also is housed on the side plate connects with an end of transmission arm 19 is movable, the other end of transmission arm is movably connected on the screw rod 18 of lower end, backrest 2 side, is provided with hook pin 21,22 at transmission arm by 1/3 place, lower end, constitutes the switching mechanism of backrest jointly.Backrest is in normal seat appearance state among the figure, when needs conversion backrest direction, foot-operated switch 15 tramps with one's feet, making it to drive left latch hook 20 lower ends pushes away forward, the upper end is to layback, make latch hook break away from left lock hook shaft 21, meanwhile, lower push-rod 34, upper push-rod 24 is linked, right latch hook 26 is pushed away forward, latch hook extension spring 29 obtains pulling force and upholds, and forward push away backrest with hand this moment, and backrest 2 is being with transmission arm 19 to rotate around transmission arm rotating shaft 32, after making transmission arm continue to be rotated in place by thrust, at this moment pin unclamps from foot-operated switch, and right latch hook hooks locking by the pulling force of latch hook extension spring with the hook pin on the transmission arm 22, thereby finishes the handling maneuver of backrest.

Fig. 4 is the scheme drawing that mounting moves forward and backward roller mechanism among Fig. 1, and the left side is side-looking, and the right is a semi-sictional view, is provided with to bilateral symmetry 4 roller plates below the mounting.Among the figure, the 35th, mounting, the 37th, back roller plate, the 41st, preliminary roller plate, the upper end protrusion flexibly connects by the bottom surface of upper bracket 36,40 and mounting, and the lower end protrusion flexibly connects by undersetting 42 and base anchor 43, is equipped with knock hole 44 on the two roller plates, one at front end, and one in the rear end, is used for the location.On the mounting bottom surface between roller plate inner face two upper brackets, be fixed with braking detent mechanism (see the right semi-sictional view), by bending seat 52, fastening screw 50, spacing jump ring 49, ship and resell on another market 47, shifting block extension spring 48, interlock location shifting block 46 and bar handle 45 and handle support 38 form.The 35th, mounting, the 51st, roller plate upper bracket pin, the 53rd, the undersetting pin, the 43rd of roller plate, base anchor.Low normal sitting position position, high back before mounting is among the figure, fastening screw is inserted in the knock hole of left roller plate 37.When needs change to sit to the time, to carry on the handle 45 with hand, handle drives interlock location shifting block 46 fastening screw 50 is extracted from the knock hole of back roller plate 37, shifting block extension spring 48 simultaneously is stretched and opens, at this moment firmly promote mounting 35 to the right, forward and backward roller plate rotates around pins simultaneously, when forwarding preliminary roller plate front to and contact with the bottom land of base anchor 43, release handle, shifting block extension spring 48 resets, fastening screw 50 is inserted in the knock hole of preliminary roller plates 41 and locate, finished the action that mounting moves forward a position.Because the roller plate is the scalene polygon, the roller plate lands the height before and after the limit gradient decision mounting, and just to change into a left side after a distance is positioned high right low when mounting moves, and therefore, still keeps front end to be higher than the state of rear end after the seat commutation, takes just comfortable.

Claims (1)

1, a kind of twist rollers moves automotive seat, comprises headrest, backrest, cushion and mounting, it is characterized in that it also comprises:

---the headrest rotating mechanism, be sleeved on by columniform slip vertical rod bearing fit in the sleeve of screw rod cover, the vertical rod upper end is affixed with middle part, headrest frame lower end, neck laterally is equipped with locating dowel pin, lower end is equipped with reseting pressuring spring, it is disc that screw rod puts end face, which is provided with the below that positioning groove is in locating dowel pin, screw rod cover be packed in the cylindrical shape nut thread that the backrest neck takes on and be connected;

---the backrest switching mechanism, in the mounting both sides, transmission arm is set symmetrically, hook pin is housed on the arm, the lower end of transmission arm one end and backrest side flexibly connects, transmission arm rotating shaft on the other end and the mounting side plate flexibly connects, rotating shaft horizontal direction both sides, left lock hook shaft and right lock hook shaft are housed, a left side, right latch hook waist respectively with a left side, right lock hook shaft is movable to be connected, latch hook lower end, a left side one side connects with foot-operated switch is movable, and opposite side connects with the push rod lower end is movable, push rod upper end and movable connection of right latch hook upper end, latch hook extension spring horizontal direction clasp joint is passed through on set pin in right latch hook lower end, the hook end back side of two latch hooks is fixed with locating dowel pin, and hook pin when transmission arm is stopped locating dowel pin on the arm and latch hook crook coincide;

---mounting moves forward and backward roller mechanism, both sides below mounting, before being provided with symmetrically, after, a left side, right 4 scalene polygon roller plates, the preceding jag of the back jag of preliminary roller plate and back roller plate nearby is provided with knock hole, the last jag of roller plate flexibly connects by upper bracket and mounting bottom surface, following jag flexibly connects by undersetting and base anchor, before, interlock location shifting block is housed below the mounting between two upper brackets of back roller plate inner face, shifting block one end is connected with bar handle, the other end and fastening screw flexibly connect, fastening screw only with the knock hole contraposition of that roller plate that lands, shifting block middle part, interlock location by shifting block extension spring horizontal direction clasp joint on the bending bearing.

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