SI20456A

SI20456A - Mechanism for displacement and adjustment of the seat and back of a chair

Info

Publication number: SI20456A
Application number: SI200100088A
Authority: SI
Inventors: Franc Osenjak
Original assignee: Franc Osenjak
Priority date: 2001-04-04
Filing date: 2001-04-04
Publication date: 2001-08-31

Abstract

The mechanism for the displacement and adjustment of the seat and back of a chair solves the problem of adjusting the seat in its horizontal and vertical direction as well as its swivel position while featuring any combination of height levels between the minimum and maximum operating height of the mechanism and a minimum possible installation height in the area between the upper panel (13) and a non-shown lower panel. At the same time it features a simple, single or double-handle concept and an additional protection against ejection of the mechanism from the direction-and-adjustment elements. Inside of each individual pair of adjustment bars (1) there are flexible shears (2), which are via a lifting lever (3) equally flexibly connected to the transverse located connecting handles (8) and the unlocking handle (7), while the handles (8) are on the other end connected to the lever (9) on the blocking wing (4), located on the adjustment bar (1), and the handle (7) is connected to the blocking mechanism (6). In the adjustment bar (1) a longitudinal cut-out (20) is provided, which is on one size shaped by semi-circular protuberances (34) and on the other by semi-circular cut-outs (35), and is rounded off by semi-circular cut-outs (36) and (37). Above the cut-out (20) there is along the slant part (32), a semi-circular cut-out made into the edge of the bar (1).

Description

MEHANIZEM ZA POMIK IN NASTAVITEV SEDEŽA TER NASLONAMECHANISM FOR SHIFTING AND ADJUSTING THE SEAT AND BACK

Predmet izuma je mehanizem za pomik in nastavitev sedeža ter naslona, oziroma so natančneje sedeži, pri katerih sta sedalo in hrbtni naslon gibljivo spojena in, ki se pomikata ter nastavljata s pomočjo škarjastega mehanizma tako, da je mogoče višino sedala in položaj hrbtnega naslona poljubno nastavljati oziroma regulirati, hkrati pa je sedež pomičen in nastavljiv tudi v horizontalni smeri.The object of the invention is a mechanism for moving and adjusting the seat and backrest, or more specifically the seats in which the seat and backrest are movably connected and which are moved and adjusted by means of a scissor mechanism so that the height of the seat and the position of the backrest can be adjusted arbitrarily or adjust, and at the same time the seat is movable and adjustable in the horizontal direction.

Po mednarodni patentni klasifikaciji sodi izum v A 47C 1/038 in dodatno v B 60N 1/02 ter A 47C 1/035.According to the international patent classification, the invention belongs to A 47C 1/038 and additionally to B 60N 1/02 and A 47C 1/035.

Tehnični problem, ki ga rešuje izum, je takšna konstrukcija mehanizma za pomik in nastavitev sedeža z hrbtnim naslonom brez stranskih vodil, ki bo omogočala večje število kombinacij njune nastavite oziroma zelo natančno nastavitev višinskih stopenj prednjega in zadnjega vpetja, v območju med minimalno in maksimalno delovno višino mehanizma. Nadalje bo omogočala minimalni skok posamezne stopnje v predhodno omenjenem območju, pri čemer bo celotna konstrukcija enostavna in stabilna, z minimalno potrebno blok mero oziroma višino vgradnje, mehanizem pa fleksibilen in natančen.A technical problem solved by the invention is the construction of a mechanism for moving and adjusting the seat with the backrest without side guides, which will allow a greater number of combinations of their adjustment or very precise adjustment of the height levels of the front and rear mounting, in the range between the minimum and maximum working the height of the mechanism. Furthermore, it will allow a minimum jump of each stage in the aforementioned area, keeping the whole structure simple and stable, with a minimum required block dimension or height, and the mechanism flexible and precise.

Znanih rešitev mehanizmov za pomik in nastavitev sedežev, sedal in hrbtnih naslonov, je kar nekaj. Najbolj znana je rešitev, pri kateri je škarjasti mehanizem vstavljen v stranski vodili, ki sta vzporedno in fiksno pritrjeni na osnovno ploščo in sta izvedeni z izrezi v obliki glavnika in predstavljata stranski zaporni krili. Kraki Škarij so med sabo in preko vmesnih, veznih votlih palic gibljivo spojeni in s spodnjim delom fiksno privarjeni na osnovno ploščo. V konca ene od spodnjih veznih palic sta v tesnem prilegu vstavljena drsna zapornika, ki se ob pomiku škarjastega mehanizma oziroma ob nastavitvi sedeža usedeta v ustrezen par izrezov v zapornem krilu vodil. Predhodno opisana znana rešitev predstavlja hkrati tudi skupno značilnost vseh znanih rešitev, katerih pomanjkljivost je predvsem v tem, da zaradi varjene izvedbe Škarij pride do trajnih deformacij, omogočajo premajhno število stopenj nastavitve, skoki posameznih stopenj nastavitve sedeža pa so preveliki in med sabo neenakomerni, zaradi velikih tolerančnih odstopanj, ki jih nujno pogojuje sama konstrukcijska izvedba znanih rešitev. Nadalje je njihova pomanjkljivost v tem, da mehanizmi ne dopuščajo regulacije sedeža na večje višine in so tipično statični, saj omogočajo samo višinske in nagibne nastavitve, ne pa tudi dinamičnih nihanj. Njihova pomanjkljivost je tudi v tem, da zahtevajo velike vgradne višine in so omejeni s tako imenovano blok mero, pod katero ni mogoče izvesti teh znanih mehanizmov in sicer iz trdnostnih ter stabilnostnih zahtev oziroma omejitev. Tako pri znanih rešitvah teh mehanizmov ni mogoče izvesti oziroma doseči blok mere, razdalje med osnovo in sedalom, izpod 65 mm.There are quite a few well-known solutions for the mechanisms for moving and adjusting seats, seats and backrests. The most well-known solution is that the scissor mechanism is inserted into the side guides, which are fixed in parallel and fixed to the base plate and are made with comb-shaped cutouts and represent the side locking wings. The scissors' legs are connected to each other and through the intermediate, connecting hollow bars and fixed to the base plate with the lower part. At the ends of one of the lower connecting rods, sliding shutters are inserted in a tight fit, which, when the scissor mechanism is moved, or when the seat is adjusted, are seated in a corresponding pair of cutouts in the locking wing of the guides. The previously known known solution is also a common feature of all known solutions, the disadvantage of which is that due to the welded version of the Scissors, permanent deformation occurs, they allow too few adjusting stages, and the jumps of the individual seat adjustment stages are too large and uneven due to large tolerance deviations, which are necessarily conditioned by the structural implementation of known solutions. Furthermore, their disadvantage is that the mechanisms do not allow the seat to be adjusted to greater heights and are typically static, since they only allow height and tilt adjustments, but not dynamic vibrations. They also have the disadvantage that they require large mounting heights and are limited by the so-called block dimension below which these known mechanisms cannot be derived from strength and stability requirements or constraints. Thus, with known solutions, these mechanisms cannot be implemented or achieved a block dimension, the distance between the base and the seat, below 65 mm.

Po izumu je problem rešen z mehanizmom za pomik in nastavitev sedeža ter naslona, ki se sestoji iz dveh parov stranskih nastavitvenih letev z vmesnimi, radialno gibljivimi škarjami in blokirnimi krili na zunanji strani, pri čemer so ene in druge škarje preko dvižnega vzvoda gibljivo spojene s prečno nameščenimi povezovalnimi ročicami, ki imajo na obeh koncih elemente za blokado in deblokado mehanizma, ki so z njim povezani z nastavitveno ročico in, ki je pritrjen na pokrov. Izum bo opisan na prednostnem izvedbenem primeru in slikah, ki prikazujejo:According to the invention, the problem is solved by a mechanism for moving and adjusting the seat and backrest, which consists of two pairs of lateral adjusting laths with intermediate, radially moving scissors and locking wings on the outside, with both scissors being movably connected by a lifting lever. transversely mounted connecting arms, which have locking and unlocking mechanisms at both ends connected to the adjustment arm and attached to the lid. The invention will be described in the preferred embodiment and in the drawings showing:

sl. 1 mehanizem po izumu v aksonometrični projekciji, obrnjen za 180° sl. 2 sestav Škarij z nastavitvenima letvama in blokirnima kriloma, v aksonometični projekciji sl. 3 sestav Škarij v aksonometrični projekciji sl. 4 vezni vzvod Škarij z letvijo v ortogonalni projekciji sl. 5 blokirno krilo z veznim zvodom in letvijo Škarij v položaju blokade mehanizma, v perspektivnem pogledu sl. 6 nastavitveno letev v aksonometrični projekciji sl. 7 dvižni vzvod v aksonometrični projekcijiFIG. 1 is an axonometric projection of the invention inverted 180 ° FIG. 2 assembly Scissors with adjusting slats and locking wings, in axonometric projection FIG. 3 assemblies Scissors in axonometric projection FIG. 4 is a cross-sectional view of a scissor bar with orthogonal projection. 5 shows a locking wing with a tie bar and a scissor bar in the locking position of the mechanism; 6 is an axonometric view of the adjustment bar of FIG. 7 lifting lever in axonometric projection

Mehanizem za pomik in nastavitev sedeža ter naslona tvorita dva para nastavitvenih letev 1 z vmesnima sestavoma Škarij 2, ki ju s prečnimi ročicami 7 in 8 povezujeta dvižna vzvoda 3 in ga nadalje tvorijo še blokima krila 4 z konzolami 5 in vzvodi 9, sestava nastavitvene ročice 11 in zgornja plošča 13, kar je prikazano na sl. 1.The mechanism for moving and adjusting the seat and backrest is formed by two pairs of adjusting laths 1 with intermediate assemblies Scissors 2, which are connected by lifting levers 3 with transverse arms 7 and further formed by the wing blocks 4 with brackets 5 and levers 9, the composition of the adjusting arm 11 and the upper panel 13, as shown in FIG. 1.

Sestav Škarij 2 tvorijo stranski letvi 15, povezani z veznima palicama 16 in 17 ter vezna vzvoda 18, kar je prikazano na sl. 3.The Scissors 2 assembly is formed by side slats 15 connected by connecting rods 16 and 17 and connecting levers 18, as shown in FIG. 3.

Sestav nastavitvene ročice 11 tvorijo še blokirni vzvod 6 ter konzoli 10 in 12, kar je razvidno iz sl. 1.The assembly of the adjusting lever 11 is also formed by the locking lever 6 and the brackets 10 and 12, as can be seen from FIG. 1.

Na zgornjo ploščo 13 sta, kot je prikazano na sl. 1., navarjena ali kako drugače fiksno pritrjena dva para nastavitvenih letev 1 tako, da ležita zrcalno en napram drugemu v isti ravnini. V posameznem paru si pripadajoči nastavitveni letvi 1 ležita vzporedno in skladno nasproti, medtem ko si soležni nastavitveni letvi 1 enega in drugega para ležita zrcalno nasproti, obe pozicionirani v isti vzdolžni osi. Med sleherni posamezni par nastavitvenih letev 1, so radialno gibljivo nameščene škarje 2 in sicer s pomočjo vijakov 14, ki so vstavljeni skozi luknjo 33 v nastavitveni letvi 1 in skozi luknjo 39 v veznem vzvodu 18 Škarij 2. Vijaka 14 v obeh sklopih Škarij 2, predstavljata njuno vrtišče. Med vezna vzvoda 18 sta vstavljeni letvi 15, ki sta medsebojno fiksno spojeni s prečnima veznima palicama 16 in 17, katerih konca sta izvedena v smislu sornikov 28 in 31. Letvi 15, z veznima palicama 16, 17, sta na vsaki strani radialno gibljivo spojeni z veznim vzvodom 18 in sicer preko sornika 28. Sornik 31, na obeh koncih vezne palice 17 Škarij 2, je nameščen znotraj podolgovatega, profilno oblikovanega izreza 20 pripadajoče nastavljive letve 1 in je v njem premočrtno gibljiv v obe smeri. Na mehanizem po izumu je, vzporedno z zgornjo ploščo 13, poveznjena spodnja plošča, ki na sl. 1 ni prikazana in ni označena in sicer tako, da je radialno gibljivo spojena z letvami 15, s pomočjo neprikazanih vijakov, ki so vstavljeni skozi vanje izvedene luknje 19 in skozi luknje v konzolah, privarjenih na dno spodnje plošče, kar prav tako na sliki 1 ni prikazano.The upper panel 13 is as shown in FIG. 1., welded or otherwise fixedly fixed two pairs of adjustment strips 1 such that they mirror each other in the same plane. In each pair, the respective adjusting laths 1 are parallel and coherently opposite, while the adjacent adjusting laths 1 of one and the other pair are mirror-opposite, both positioned in the same longitudinal axis. Between each individual pair of the adjusting laths 1, shears 2 are radially movably mounted by means of screws 14 inserted through the hole 33 in the adjusting lath 1 and through the hole 39 in the connecting lever 18 Scissors 2. Screws 14 in both sets of Scissors 2, they represent their pivot. Between the tie rods 18 are inserted laths 15, which are fixedly connected to each other by transverse connecting rods 16 and 17, the ends of which are made in the sense of bolts 28 and 31. The laths 15, with connecting rods 16, 17, are radially movable on each side. with a tie lever 18 through a bolt 28. The bolt 31, at both ends of the tie rod 17 Scissors 2, is mounted inside an elongated, profile-shaped cutout 20 of the corresponding adjustable lath 1 and is movable in both directions in a straight line. The lower panel is connected to the mechanism according to the invention in parallel with the upper panel 13, which in FIG. 1 is not shown and is not marked in such a way that it is radially movably connected to the slats 15 by means of unobstructed screws inserted through holes 19 made through them and through holes in the brackets welded to the bottom of the bottom panel, also in Fig. 1 not shown.

Na zunanjo bočno ploskev vsake nastavitvene letve 1 je v medsebojnem razmaku pritrjen par konzol 5, med oziroma v katerega je vstavljeno blokirno krilo 4, ki ima na enem prostem koncu, pravokotno nanj in radialno gibljivo nameščen vzvod 9. Vzvoda 9 zrcalno nasproti ležečih si blokirnih kril 4, na vsaki pripadajoči nastavitveni letvi 1 iz posameznega para, si ležita skladno nasproti in v medsebojno poljubnem razmaku in tvorita pripadajoči par.A pair of brackets 5 are fixed at the outer lateral face of each of the adjusting laths 1, between which a locking wing 4 is provided, which has a lever perpendicular to it and a radially movable lever 9 arranged at one free end thereof. of the wings 4, on each of the respective adjusting laths 1 from each pair, lie in alignment opposite to each other and at any distance, forming the corresponding pair.

Posamičen sklop Škarij 2, razviden iz sl. 3 in sl. 4, skupaj z nastavitveno letvijo 1 in blokirnim krilom 4, razvidnim iz sl. 5, je prikazan na sl. 2. Iz sl. 4 je prav tako razvidno, da ima vezni vzvod 18 v enem od obeh daljših robov izveden polkrožni izrez 38.The individual assembly Scissors 2 shown in FIG. 3 and FIG. 4, together with the adjusting lath 1 and the locking leaf 4 shown in FIG. 5 is shown in FIG. 2. From FIG. 4 also shows that the connecting lever 18 has a semicircular cutout 38 in one of the two longer edges.

Oba, predhodno opisana sklopa Škarij 2, med sabo navidezno povezujeta dvižna vzvoda 3, ki potekata pravokotno nanju , na notranji steni zgornje plošče 13. Dvižni vzvod 3 je z nastavkom 24 radialno gibljivo vstavljen v ležišče 22, z nastavkom 25 pa v nasproti ležeče neprikazano ležišče, obe sta privarjeni na dno zgornje plošče 13, medtem ko je preko konzole 23, oziroma preko sornika 27, gibljivo spojen z nasproti ležečim dvižnim vzvodom 3. Konzoli 23 obeh dvižnih vzvodov 3, znotraj posameznega para Škarij 2, si ležita skladno nasproti, nekoliko odmaknjeni ena od druge. V zazor med konzolama 23 dvižnih vzvodov 3 sta, na vsako stran, v smeri proti nastavitvenim letvam 1, z enim koncem vstavljeni po dve povezovalni ročici 8 in vmesna deblokadna ročica 7 tako, da skoznje nameščen sornik 27 predstavlja njihovo skupno vrtišče. Z nasprotnim koncem sta povezovalni ročici 8 radialno gibljivo spojeni s pripadajočim vzvodom 9 slehernega blokirnega krila 4 in sicer preko sornika 29, medtem ko je nasprotni konec deblokadne ročice 7 prav tako radialno gibljivo in preko sornika 30 spojen z blokirnim vzvodom 6, fiksno pritrjenim na enem koncu ročice 11, ki je vležajena v konzolah 10 in 12, fiksno privarjenima na notranjo steno zgornje plošče 13. Prosti konec ročice 11 sega nekoliko izven mehanizma po izumu, oziroma izven njemu pripadajoče zgornje plošče 13 in je poljubne oblike.The two previously described scissors 2 assemblies seemingly interconnect lifting levers 3 extending perpendicularly to them on the inner wall of the top plate 13. The lifting lever 3 is radially movably inserted into the bearing 22 with the attachment 24 and not shown in the opposite direction to the bearing 25. bearing, both are welded to the bottom of the upper panel 13, while it is movably connected to the lifting lever 3 via the bracket 23 or the bolt 27, respectively. The brackets 23 of the two lifting levers 3, inside each pair of Scissors 2, are aligned opposite, slightly apart from each other. In the gap between the brackets 23 of the lifting arms 3, two connecting arms 8 and an intermediate unlocking lever 7 are inserted on each side in the direction of the adjusting laths 1 with one end, such that the bolt 27 therein represents their common pivot. With the opposite end, the connecting arms 8 are radially movably connected to the associated lever 9 of each locking leaf 4 via a bolt 29, while the opposite end of the unlocking lever 7 is also radially movable and bolted 30 to a locking lever 6 fixedly fixed to one the end of the lever 11, which is mounted in the brackets 10 and 12, fixed to the inner wall of the upper plate 13. The free end of the lever 11 extends slightly outside the mechanism of the invention, or outside the upper plate 13 thereof, and is of any shape.

Sklopa Škarij 2 dva sta z dnom zgornje plošče 13 povezana še s po dvema, neprikazanima nateznima vzmetema, katerih en konec je spojen s pritrdilnim mestom 40 na letvi 15, drugi pa s ploščo 13, kar je delno prikazano na sl. 2, 3 in 4.The scissors 2 assemblies are connected to the bottom of the upper plate 13 by two non-exposed tensile springs, one end of which is connected to the mounting point 40 on the lath 15 and the other to the plate 13, which is partly shown in FIG. 2, 3 and 4.

Na sl.6. je prikazana nastavitvena letev 1, katere večja stranska ploskev je oblike bolj podolgovatega, enostransko prirezanega in s tem nepravilnega trapeza, oziroma oblike nepravilnega peterokotnika. Vzporedno z njenim daljšim robom je vanjo izveden podolgovati izrez 20 nepravilnih oblik, ki ga z ene strani označujejo trije manjši polkrožni izrastki 34, z druge, njim nasprotne strani pa ga označujejo prav tako trije polkrožni izrezi 35, eni in drugi med sabo poljubno oddaljeni, zaključujeta pa ga polkrožni izrez 36 na enem in polkrožni izrez 37 na drugem koncu. Polkrožni izrezi 35 in polkrožni izrastki 34 si znotraj podolgovatega izreza 20 ležijo en nasproti drugemu tako, da je določen izrastek 34 pozicioniran v liniji vertikalne središčne osi pripadajočega, nasproti ležečega izreza 35. Zaključni izrez 36 je izveden na enak način, kot izrezi 35, medtem ko je zaključni izrez 37 izveden pod kotom 90° napram izrezom 35. V nekem drugem izvedbenem primeru je lahko v podolgovatem izrezu 20 izvedenih še več izrezov 35 in izrastkov 34, poljubnih oblik in dimenzij, v odvisnosti od števila nastavitvenih stopenj mehanizma po izumu in od dolžine skoka posamezne stopnje, oziroma od določene dvižne razlike. V nekoliko krajši, daljšemu robu nastavitvene letve 1 vzporeden rob, je izveden nekoliko večji polkrožni izrez 21, katerega vertikalna središčna os poteka med zaključnim polkrožnim izrezom 36 in med sosednjim polkrožnim izrezom 35 znotraj podolgovatega izreza 20, oziroma je lociran bliže poševnini 32 nastavitvene letve 1. V območju njenega zoženega dela je vanjo izvedena luknja 33, ki predstavlja ležišče vijaka 14, le ta pa v sklopu mehanizma vrtišče Škarij 2. Prednostno je nastavitvena letev 1 izvedena v enem kosu. V nekem drugem izvedbenem primeru je lahko izvedena tudi iz dveh, po dolžini sestavljenih in medsebojno, drug ob drugem gibajočih se polovic, pri čemer je v tem primeru zgornja polovica nastavitvene letve 1 povezana z dnom zgornje plošče 13 preko neprikazane tlačne vzmeti. Prav tako so lahko v nekem drugem izvedbenem primeru namesto nastavitvene letve 1 oziroma podolgovatega izreza 20, na površini dna zgornje plošče 13 reliefno oblikovani med sabo ločeni grebeni v smislu polkrožnih izrezov 35, 36, 37, oziroma je lahko nanjo pritrjena zgolj tako oblikovana podolgovata letev.In Fig.6. the setting bar 1 is shown, the larger lateral surface being the shape of a more elongated, unilaterally trimmed and thus irregular trapezoid, or an irregular pentagon. Along its longer edge, it has an elongated cutout of 20 irregular shapes, marked on the one hand by three smaller semicircular outgrowths 34, on the other, and also marked by three semicircular notches 35, one and the other arbitrarily spaced on one side, it is completed by a semicircular cutout 36 at one end and a semicircular cutout 37 at the other end. The semicircular cutouts 35 and the semicircular outgrowths 34 lie within each other along the elongated cutout 20 such that a particular outgrowth 34 is positioned in the line of the vertical center axis of the corresponding, opposite recess 35. The cutout 36 is made in the same manner as the cutouts 35, meanwhile when the end cutout 37 is made at a 90 ° angle to the cutout 35. In another embodiment, further cutouts 35 and outgrowths 34, of arbitrary shapes and dimensions may be made in the elongate cutout 20, depending on the number of adjusting stages of the mechanism according to the invention and on the length of the jump of each stage, or of a certain lifting difference. In the slightly shorter, longer edge of the adjusting lath 1 parallel edge, a slightly larger semicircular cutout 21 is made, the vertical center axis of which extends between the end semicircular cutout 36 and between the adjacent semicircular cutout 35 within the elongated cutout 20, or is located closer to the slant 32 of the adjusting lath 1 In the area of its constricted part, there is a hole 33 in it, which represents the bearing of the screw 14, which, in the mechanism mechanism, rotates the Scissor 2. Preferably, the adjustment bar 1 is made in one piece. In another embodiment, it may also be made of two longitudinally assembled and mutually moving halves, in which case the upper half of the adjustment bar 1 is connected to the bottom of the upper plate 13 via a non-displayed pressure spring. Alternatively, in another embodiment, instead of adjusting lath 1 or elongated cutout 20, ridges may be embossed on the surface of the bottom of the top panel 13 in the sense of semicircular cutouts 35, 36, 37, or may be attached to it only in the form of a lengthened lath. .

Na sl. 7 je prikazan dvižni vzvod 3 v obliki ležeče velike tiskane črke L, katerega krajši krak predstavlja konzolo 23 z luknjo 26, ki je na njegov daljši krak pravokotno izvedena in v sklopu mehanizma po izumu obrnjena navzgor. Na enem koncu daljšega kraka dvižnega vzvoda 3 je izveden valjkasti nastavek 24, na njegovem drugem koncu, ob konzoli 23 pa valjkasti nastavek 25, pri čemer oba ležita v isti vzdolžni osi.In FIG. 7 depicts a lifting lever 3 in the form of a capital letter L, the shorter arm of which is a cantilever 23 with a hole 26, which is perpendicular to its longer arm and facing upwards in the mechanism assembly according to the invention. At one end of the longer leg of the lifting lever 3 is a cylindrical nozzle 24, at its other end, and at the cantilever 23 a cylindrical nozzle 25, both of which are in the same longitudinal axis.

Mehanizem po izumu se aktivira in nastavlja s pomočjo ročice 11. V predhodno opisanem prednostnem izvedbenem primeru prikazanem na sl. 1, vsebuje mehanizem za pomik in nastavitev sedeža ter naslona dve ročici 11, s čimer je omogočen dvoročni sistem njegove nastavitve. V nekem drugem izvedbenem primeru, ki pa na slikah ni prikazan, je lahko mehanizem opremljen samo z eno ročico 11, kar predstavlja enoročni sistem njegove nastavitve. Pri enoročnem mehanizmu odpadejo, razen ene ročice 11 še elementi oziroma sklopi mehanizma, ki pripadajo k drugi ročici 11, kot so par povezovalnih ročic 8 z vmesno deblokadno ročico 7 in en blokirni vzvod 6.The mechanism of the invention is actuated and adjusted by the lever 11. In the previously described preferred embodiment shown in FIG. 1, there is a mechanism for moving and adjusting the seat and the backrests of the two arms 11, thereby enabling a two-hand adjustment system. In another embodiment, which is not shown in the figures, the mechanism may be provided with only one lever 11, which represents a one-handed adjustment system. In the case of a one-handed mechanism, except for one lever 11, the elements or assemblies of the mechanism belonging to the other lever 11, such as a pair of connecting levers 8 with an intermediate unlocking lever 7 and one locking lever 6, are also missing.

Kot je predhodno že navedeno, se pri dvoročnem mehanizmu po izumu sistem aktivira in nastavlja preko obeh ročic 11, pri čemer ena od njih služi za nastavitev višine in naklona prednjega dela sedala, druga pa za nastavitev zadnjega dela sedala in hkrati za nastavitev naklona hrbtnega naslona sedeža. Ob pomiku držala ročice 11 navzgor oziroma njenem vrtenju pod določenim kotom, se sprosti blokirno krilo 4, ki je z ročico 11 povezano preko blokirnega vzvoda 6, deblokadne ročice 7 in povezovalne ročice 8. Zaradi povezave dvižnega vzvoda 3 s povezovalno ročico 8, se v nadaljevanju aktivirajo škarje 2, ki se dvignejo. Pri tem se somika 31, na koncih vezne palice 17, v podolgovatem izrezu 20 nastavitvenih letev 1 sprostita in dvigneta iz enega izmed polkrožnih izrezov 35, 36 ali 37, s čimer je omogočen pomik sornikov 31 vezne palice 17 v katerega koli od izrezov 35, 36 ali 37, znotraj podolgovatega izreza v nastavitvenih letvah 1. Pri zaskoku sornikov 33 v zaključni krožni izrez 37, pri katerem je sedalo v najnižjem možnem položaju, je le ta oblikovan tako, da ni potreben dvig ali spust Škarij 2, kar je iz mehanskega oziroma trdnostnega vidika ugodno, saj so v tej točki nastavitve mehanizma po izumu pritiski največji. Ponovna deblokada, zaskok in blokada mehanizma ter s tem dvig sedala se izvrši v obratnem vrstnem redu. Z zasukom ročice 11 se spusti dvižni vzvod 3, zaradi česar škarje 2, oziroma sornika 31 vezne palice 17 zaskočita v enega izmed polkrožnih izrezov 35 ali v najvišji možni položaj, v polkrožni izrez 36. Šele, ko sornika 31 zaskočita v enega od izrezov 35 ali 36, se mehanizem blokira s pomočjo blokirnega krila 4, s čimer je blokirana tudi želena višina sedala. Pomik mehanizma oziroma njegovih Škarij 2, povratek blokirnega krila 4 in ročice 11 v izhodiščni položaj, omogočajo neprikazane in predhodno opisane vzmeti, ki morajo biti temu ustrezno dimenzionirane.As previously stated, in the two-hand mechanism according to the invention, the system is actuated and adjusted via both levers 11, one of which serves to adjust the height and inclination of the front of the seat and the other to adjust the rear of the seat and at the same time to adjust the inclination of the backrest seats. When the lever 11 is moved upwards or rotated at a certain angle, the locking wing 4, which is connected to the lever 11 via the locking lever 6, the unlocking lever 7 and the connecting lever 8, is released in order to connect the lifting lever 3 to the connecting lever 8. they then activate the scissors 2, which are raised. In doing so, the snap 31, at the ends of the connecting rod 17, is released and raised from one of the semicircular cutouts 35, 36 or 37 in the elongated recess 20 of the adjusting lath 1, thereby allowing the bolts 31 of the connecting rod 17 to move into any of the recesses 35, 36 or 37, inside the elongated cutout in the adjusting laths 1. In the case of locking the bolts 33 into the final circular cutout 37, in which the seat is in the lowest possible position, the latter is designed so that no lifting or lowering is required of Scissors 2, which is mechanical or the strength aspect is advantageous, since at this point the mechanism settings according to the invention are pressured at the highest. Re-unlocking, locking and locking the mechanism and thereby raising the seat is performed in reverse order. By turning the lever 11, the lifting lever 3 is lowered, causing the scissors 2, or the bolts 31 of the connecting rod 17, to engage in one of the semicircular cutouts 35, or in the highest possible position, in the semicircular cutout 36. Only when the bolts 31 snap into one of the cutouts 35 or 36, the mechanism is locked by means of the locking leaf 4, thereby also blocking the desired seat height. The movement of the mechanism or its Scissors 2, the return of the locking leaf 4 and the levers 11 to the starting position, are facilitated by the unspecified and previously described springs, which must be dimensioned accordingly.

Prednost mehanizma po izumu je predvsem v tem, da ga je mogoče uporabiti za vse vrste sedežev z hrbtnim naslonom, ne glede na vrsto in način uporabe, pri čemer za njegovo delovanje vodila, drsniki, varovala, in zaporni elementi, katerih izdelava zahteva veliko natančnost in togost, niso potrebni. Vse našteto učinkovito in enostavno nadomesti nastavitvena letev 1 z polkrožnimi izrezi 35, 36, 37, ki pozicionirajo položaj sedeža in onemogočajo zdrs Škarij 2 iz njih. Pri tem je pomembna njihova oblika, njihova porazdelitev po horizontali in vertikali, kakor tudi sama konstrukcijska izvedba ŠkarijThe advantage of the mechanism according to the invention is that it can be used for all types of backrest seats, regardless of the type and method of use, with guides, sliders, guards, and locking elements for its operation requiring high precision and rigidity are not required. All of the above effectively and easily replaces the adjusting bar 1 with semicircular cutouts 35, 36, 37, which position the seat position and prevent the Scissors 2 from slipping from them. Their shape, their horizontal and vertical distribution, as well as their structural design

2. Zaradi varnosti delovanja mehanizma po izumu, je le ta opremljen še z dodatnimi varnostnimi oziroma blokirnimi krili 4, ki onemogoča zdrs Škarij 2 iz polkrožnega izreza 35, 36 ali 37.2. For the safety of operation of the mechanism according to the invention, the mechanism is further provided with additional safety or locking wings 4, which prevents the Scissors 2 from slipping from a semicircular cutout 35, 36 or 37.

Mehanizem po izumu omogoča enostavno, stabilno, konstrukcijsko in montažno izvedbo nizkega cenovnega razreda, z blok mero pod nivojem 55 mm. Skok posamezne stopnje je možen po 20 mm, pri že omenjeni blok meri in minimalni razliki dviga za 80 mm. Omogoča nastavitev znotraj zelo enakomernih stopenj.The mechanism according to the invention enables a simple, stable, structural and assembly version of the low price range, with a block dimension below the level of 55 mm. Jumping of each stage is possible by 20 mm, with the block already mentioned, with a minimum lift difference of 80 mm. Allows adjustment within very steady stages.

Tendenca razvoja nastavljivih sedežev gre v smeri zmanjševanja njihove višine vgradnje oziroma blok mere, ki predstavlja maksimalno razdaljo med zgornjo ploščo 13 in neprikazano spodnjo ploščo sedala. Z mehanizmom po izumu torej prihranimo na prostoru za vgradnjo in preprečimo hitro obrabo njegovih sestavnih elementov, ki bi jih sicer povzročila prevelika razdalja med prej omenjenima ploščama. Kot že rečeno, je mogoče mehanizem po izumu vgraditi v različne vrste sedežev, jih kombinirati s poljubnimi komponentami, jih nadgraditi in podobno.The tendency for the development of adjustable seats goes in the direction of reducing their mounting height or block size, which represents the maximum distance between the upper panel 13 and the lower seat panel not shown. The mechanism according to the invention thus saves on the mounting space and prevents the rapid wear of its constituent elements which would otherwise be caused by the excessive distance between the aforementioned plates. As already mentioned, the mechanism according to the invention can be installed in different types of seats, combined with any components, upgraded and the like.

Claims

PATENT APPLICATIONS

1. A mechanism for moving and adjusting the seat and backrest, located between the lower and upper base plates, in which the shears are guided in the lateral guide elements with the teeth and activated and moved by means of associated helical springs and a handle with a grip, that at least one pair of Scissors (2) is radially movable within the space on the upper panel (13) bounded by at least one pair of parallel adjusting laths (1) to which at least one radially movable locking wing (4) is attached from the outside 4) and at least one unlocking lever (7) and at least one positioning linkage lever (8) perpendicularly to and adjacent to the adjusting rails (1), with the levers (7,8) having at least one perpendicularly mounted on them. of the lifting lever (3), radially movably connected to the connecting rod (17) by a scissor (2), and at least one of the adjusting arms (11) is also radially movable via the locking lever (6) vo is connected with the release lever (7); that at least one elongate cutout (20) having at least one semicircular cutout (35), (36) and (37) and at least the opposite longer edge at least one longitudinal cutout (1) is longitudinally extending into each adjusting strip (1) one semicircular protuberance (34), wherein the recesses (35, 36, 37) are mutually transient and form an irregular oscillation curve, while at least one, slightly larger semicircular cutout (21) is made into one longer edge of the tuning strip (1); which lies adjacent to its slant (32), below which is a hole (33).

A mechanism according to claim 1, characterized in that the scissors (2) are radially movably connected to a pair of adjustment strips (1) via a screw (14) passing through a hole (33) in the lath (1) and through a hole (39) ) in the connecting lever (18), at which point this junction represents the pivot of Scissors (2).

A mechanism according to claim 1, characterized in that the locking wing (4) is radially and linearly movable with at least one bracket (5) and that a lever (9) is fixed to one of its free ends via a bolt. (29) radially movably coupled to the end of the connecting arm (8).

The mechanism according to claim 1, characterized in that the adjusting lath (1) is preferably made in one piece, can also be an elongated lath and can also be made of two, longitudinally extending and mutually movable halves, or may be embossed ridge designs in the very surface of the larger surface of the upper panel 13, in terms of semicircular cutouts (35, 36, 37).

5. Mechanism according to claim 1, characterized in that the unlocking lever (7), the connecting arms (8) and the lifting lever (3) are connected radially movably to the bolt (27) via a cantilever (23), a lifting lever (3) with one free end inserted into the bay (22) via one nozzle (24) and into the non-shown bay through the nozzle (25), with both beds fixed to the bottom of the upper panel (13).