CS237225B1 - Emergency closing device for the safety belt of a means of transport - Google Patents

Abstract

The aim of the invention is to increase operational reliability by improving the interaction of the locking elements with the discs and the ratchet ring at the expense of reducing the specific load, eliminating the dependence of the value of the relative action of the inertial action of the second disc and also at the expense of eliminating spontaneous switching of the locking without an emergency situation occurring. This is achieved by the fact that the locking elements are made in the form of plates, having the shape of rectangles with a central hole, connected to each other by a cylindrical expansion spring, which has bent ends, introduced into the said holes, in the first disc there are diametrically made cutouts, formed in the intersection of the shorter and longer edges with "V" shaped depressions for interaction with the right angle of the corresponding plate and on the arcuate outer sections of the first disc, adjacent to the longer edges of the cutouts, there are made outlets, the second disc on the front side has cylindrical outlets for coupling with the corresponding arcuate surfaces of the first disc with the possibility of their mutually limited displacement, the cylindrical outlets have inwardly bent supports for contacts of one of the sides with the corresponding side sides of the plates, while the second disc is made with depressions for accommodating the introduction of the spring and is equipped with an inertia insert with an axis for supporting the second disc on the housing, in the space of the rear wall, the assembled expansion a post for bending its tape at its exit from the case.

Description

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lllafíúa 33 wexpy 9 m bshpom 22 ηβπηθτοη χθοτ-KOÍÍ npOKTiapKOH PJIH Κ0ΜΠ6Η03ΡΗΗ ΤΟΠΡΗΗΕ φΠΘΗρθ 12 BTyJIKH 7.

Ha CT6HK6 9 Kopnyca I 33κρδππβΗ ΗΗβρρΗΟΗΗΕΗ ρθτρηκ34 (Φμγ.Ι) coctohihhm M3 pepxaiejiH 35 b ciyncHpaTOMΒβρΤΜΚ3JIBHOM ΟΤΒβρΟΤΜΗ 36 ΚΟΤΟρΟΓΟ Π0ΡΒ6ΠΙ6Η Ha ΟΤδρΧΗδ37, μθητηηκ 38 C γοποβκοΗ 39 ΗΜβιορδΐί <$ opMy nepeBepny-τογο yceqeHHOro KOHyca. Ha och 49, ομοητμροβθηηομ bpepxaTene, ποΒοροτΗΟ ycT3H0BJi6H3 coSanKa 41, onwpaioina-hch Ha nnocKyio noBepxHOCTB γοποβκη 39 cTepran 37.

BepuiHHbí 3yĎBeB 23 xpanoBoro BeHpa 22 3y (5poB 25h btopOM PMCK6 0TB6pCTHfí COÚaPKH 24 H 41 B M0M6HT ĎJIOKHpOBKHyciponciBa rpm P6Mctbhh MHeppHOHHoro ρθτρηκθ 34 pacnojia-ratoTca ppyr προτπΒ ppyra πρΗΜκχ jimhhhx Ha, Ha-chloro nepeceKawuHX peHTpa7iiHOK och βθηηκθ second 237225-7 - ycTpoflcTBO padoiaeT is a non-thiomyimide of M and 30 M.

Korn 8btomo <5oi> ηθχοζιητοη B paBHOUepHOU nBHse- HHH MB CTOHT Ηβ ΜβΟΤβ Η ΠβΗΤβ 4 ΒΚΤΗΓΗΒΘβΤΟΗ Η3 YCT-polícTBa HeúonBOM ycKopeHHeM c, 2 c βθπηκ αηοκθμη 17h 24 BpamaeTCH ksh oziho Ueno c ππθοτηηκθμη 19 Haxozm-mHMHCH B CBOHX ΗΟΧΟΖξΗΗΧ ΠΟΠΟΧΘΗΜΗΧ Π03 5θΑθΤΒΗβΜ npyHH-hu 21st IIpysHHa 21 HMeei xapaKTepHCTHKy, πρκ κοτοροΑpeHTpoCestHhie chjih πρκ HopuajiBHOA οκοροοτκ BpameHHHβθπηκθ 2 HE Ballad BHiojiKHyTB njiacTHHKH 19-H3 yrnydjie hhh rpaHH £ 6 nncKa 17th πρκ hundredth non-pocTLK ηορμθπβηοΑ CKO) BpameHHH βθζιμκβ 2 nonpa3yMeBaeTca οκοροοτκ co-TOpaH MOateT BO3HHHHyTB ρ ΗΤΗΗΚ H H H H H H H pu pu pu pu pu pu pu pu pu pu pu pu pu pu pu pu pu pu pu pu pu pu pu pu pu pu pu ana BewnJHy, KOTopan 33bhcht rpm x 21-paKTepHCTHKH npyoHH η βθομηηη HHepuHOHHoA MaccnBHJiantiuia 27/24 hhck οτοτββτ οτ οκοροοτκ BpameHHH NNC-Ha 17 h at nyrax of noBopawBaHCB. OHpysHOCTeA change 17,0Ka3iiBaeT cbohuh ynopaMH ζφβζιθηηθ Ha ctopohh h nnac-thhok 19th Ππθοτηηκη BHBopa 19 ^ 6 HBaioTcfl H3 yrnydzieHHH ZWCHa 17H CKOJIB3HT ΠΟ 0Τρβ3Κ8Μ (Γ ΒΗρβ30Β 18B OdpaT- \ ho BpameHHK) nncKa 17 HanpaBJíeHHH well τβχ πορ, ποηθ hxHapyntHiie ctopohh 0 (hjih οοοτβθτοτβθηηο yrziydneHHe φκΓ.5 MHA) He ynpyTCH b προτΗΒΟοτοΗΐίξΗβ πκθοτηηκθμ --ii y y y y B B B B B B B B B B c c B B B B c c c c c Ba c c c b b b b b b ΗΒΟΖΙΗΤ b b b b b b b b b b b b. B ycTpoKcTBe 3H3HHTejii> H0 οηηκθηη ynejiBHHe Harpy3KH οτyCHJIHH, ΒΟ3ΗΜΗ3101ΙΙθΓΟ H3 ynaC TByKHUHX B ΟπΟΚΗρΟΒΘΗΗΗ B8JIHK32 aneueHTax (nepBuA hhck 17 ππθοτηηηη 19h xpanoBoA Ββββη22) 3a CNET yBenMneHHHX ynacTKOB οοπρκκοοΗΟΒβΗΗΗ. 237225 - 8 -

HocJie chhthh Harpy3KH c 4 cnupajiBHaa npyxma14 spamaeT βθληκ b odpaTHOM HanpaBzeHHH. Πρκ one hundred meters iuiacTm KH-19 yBOJXHTCH npyjKHHOft 21-H3 ΠΟ ΗΟΧΘΗΗΗ 33ΜΗΚ3ΗΙΗ, swelling Taxkhk 17 NPN odpaTHOM BpameHHH cbohmh οτρβδκβΜΗ ΛΒΗρβ3ΟΒ 18% 33ΧΒ3ΤΗΒ3ΘΤ yiIOpH OTCKa 24 OHH ΗΘΜΕ Η-Ha MADT οτοροΗΗ h iuacTHHOK 19th Bo3BpaTy imacTHHOK 19B CBOE HCXOJCHOe ΠΟΛΟΜΘΗΗΘ onOCOdCTByiOT TaKXe Η HX H3KJI0H-ΗΗΘ CTOpOHH e ΠρΗ Β03 £ β $ 0ΤΒΗΗ Ha yCTpoScTBO ΗΗθρΤζΗΟΗΗΗΧ CO ΕΛΗ yimoHa, κογ, πη aBTOMOdzai »ηθχοηητοη b aBapuftHog CKTyaixo (ϋΤΟΛΚΗΟΒΘΗΗβ C ΠρβΠΗΤΟΤΒΗΘΜ HJIH ΟΠρΟΚΗίΙΗΒΘΗΗΘ) Μ3ΗΤ-hhk 38 jiaTHHKa 34 οτκλοηηθτοη rpm οβοθγο βθρτηκθλβηογοΠΟΛΟΧβΗΗΗ H IUOCKOCTH ΠΟΒβρΧΗΟΟΤΒ ΓΟΛΟΒΚΗ 39 Ϋ́ΚΗΗβρΰΚΗΗ37 nojiHHMaeT codaaicy 41, οοτρκβ κοτοροδ βχολητ b 3anen-ΛΘΗΗ0 C OBHHM H3 3ytíH0B 25 ffíCKa 24, ΠΟΟΛβΛΗΗΗ OCTaHa-BJiHBaeTca, and ahck 17 npoflOJUcaeT spameHne #o τβχ nop, HO Ka OH CBOHMH yTflydJieHHHMH &amp; H rpaHBB 5 He ΒΤ0ΛΚ-Ηβτ πλθοτηηκη 19 b ynop c 3ydBHMH 23 xpanoBoro BeHpa 22, h BaJiHK 2 c ΛβΗτοδ 4 ΰΛοκΗργτοτοη.

HpH ΗΘΛΗΗΗΗ ΗβΚΟΤΟρΗΧ ΗβΤΟΉΗΟΟΤθβ Me &amp; Jiy, ϋβΤΘΛΗΜΗcTonopHoro MexaHH3Ma codamca 41 ΒκποΛΗβΗΗθΗ H3orHyTOgh ynpyrofí, μοκθτ ηθοκολβκο ΛθφορΜΗροΒθΤΒΟΗ, KOMneHCHpya3TH ΗΘΤ0ΗΗ00ΤΗ and ΠΟΟΛθ ΚΒΙΛΟΓΟ CpadaTHBaHHH BBHJiy CBOefiynpyrocTH npnHHwaeT csoe ΗορΜβΛΒΗΟθ οοοτοηηηθ. YrjiyóJie-hhh d Ha ancKe 17 yBeJHransaiDT Ηθ, ηβκΗΟοτΒ 33κληηηβθ-HHH raaCTHHOK 19, He Π03Β0ΛΗΗ HM BHBepHyTLCH npH Harpy3-κβ.

Tax K3K bjick 24 ποεοροτΗΟ ycTaHOBJíeH He Ha Barunce 2 and H ΕΗοκβ 17, i.e. CDMA τρβΗΗΗ dojitinoM ΛΗβΜβτρβ Ha, Ha τοecTB jyrax 2- OKpyraocTefi, οοβμθοτηο c ycocaeMnpysHHH 21 Ha ^ ater illegally ysepxmaeT ληοκθ b hcxoshom πολο xeHHH npn-hx HeycKopeHHOM EpanjeHHH, ssujiy nero npyxuHa 21He TpedyeT jionojiHHTera, HOB peryJiHpoBKH.

PacnopHHM οτβρκβΗΒ 31 NPN óojn> MEFI narpy3Ke Ha 237225-9 - JI β Η TU 4 ΒΗΠΟΠΗΗβΤ Ηβ ΤΟΠΕΚΟ φγΗΚΙξΗΚ) ΗβΠρθΒΠΗΙΟΠΙββ, ηο η ónaronapn η8πηίκκ> δοπΕίηοΚ coe τρβΗΗΗ yueHEoiaeTCKaTHe ΒΗΤΗΟΒ Η6ΗΤΗ 4 BOKpyr Β8ΠΗΚ3 2 ΜβΜ ΠΟΟΤΗΓΘβΤΟΗyueHBmeHHe Buxona πθητη 4 for ycTpoňcTBa η, cnenoBaTenBho, nepeMemeHne ποπεβοβθτθπη β aBapH &amp; HOíí CHTyauHH. 237225 - ΙΟ - <£ OPMyJIA Η30ΒΡΕΤΕΗΜΗ I. ABapniíHO-38niip8iomeecfl BTnriíBaioiHee γοτροϋοτΒΟρβΜΗΗ desonacHOCTH TpaHcnopTHoro cpeaciBa, coaep ' «aaeen-O (C 5pa3HhlK Kopnyc paSMemeHHHM. B H6M HaXOZmmHMCH noaaefícTBHeu cnHpajiBHOií npysHHH bsjihkom ana 3aKpenaeHHHH H8M8TUB8HHH ΠΘΗΤΗ, AB3 aHCKa, B38IMOae0CTByiOlHIlX CÓJIOKHpyiOlUHMH 3ΠβΜβΗΤ3ΜΗ yCTpOiíCTBa , ΠρΗΗΟΜ ΠβρΒΗ0aHCK secTKO 3aKpenaeH Ha banyan and Βτοροβ cbh33h c NEP-BHM C BO3M0KHOCTBK) ΟΤΗΟΟΗΤ6ΠΒΗΟΓΟ ΠΟΒΟρΟΤΘ η ΟΗθβχβΗ3yÚaauH Ha Kopnyce κοθκοηθπβηο nepBOMy anche 33κρβππθΗxpanoBOň BeHeij ana B3anMoae0CTBHH c HHM ÚnoKupytoaiixsaeueHTOB, η μηθρρηοηηημ aaTHHH c ποΒοροτΗΟβ co58hko2aaa B38HM0aeííCTBHH C 3yÓaaMH BToporo aHCKa, 0ΤΠΗΗ3Κ) -meecn τ, βΜ, wo, c ueaLío ποβηοιθημη ero 3KcnayaTauH0HH0nHaaeatHOCTH nyTeu ynywneHHH B3aHMoae0cTBHH ÓaoKHpyromHX3JI6M6HT0B C AMCK3MH Μ 8ρ8Π0ΒΗΜ B6 HIJ0M 3a ΟΊβΤ yMeHi-U16HHH yaejiBHbix Harpy30H, yďpaHeHHH KoneĎamiH BenHHK-Hbl OTHOCHTeJIBHO ΜΗβρρΗΟΗΗΟΓΟ B03a6MCTBHH ΒΤΟρΟΓΟ aHCH3 and T3K3K6 33 cnew ΗΟΚΛΚΗβΗΗΗ 03Μ0Πρ0Η3Β0ΠΒΗ0Γ0 CpaCaTbJ-B3HMH SaOHMpOBKH ΠρΗ OTCyTCTBHH 3ΒθρΗ0Ηθ0 CHTyaiJHH, 6310-KHpywie saeMEHTbi βηποηηθηη b Bnae πηθοτηηοκ, oeioinHXčbopMy npHMOyronBHOH TpaneuHH c paHTpaaBHbíM OTBepcraeM , 0Βί) 33ΗΗΗΧ Me ^ y CO (5O0 aOHHapHHeCKOfí npySHHOfó paCTHKeHHH, HMeiomefl OTorHyTue kohiim, 3aBeaeHHHe b yKa3aHHue OTBepc-THH, b nepBOM Ancka βηποηηθηη anaueTpaai> H0 pacnoaoaeH-Hue Bbipe3H, oúpa3OB8HHne Kaxaaň yKopoqeHHOň h yannHeH-ho0 nepeceKaiomHMHCH πρημημη γρβηημη c v- oÚpa3HHM yraytf-b aeHHeu nocaeaHeíí B33HMoae0cTBHH ana c πρβμημ yraoiacooTBeTCTByioaeň naacraHKH and Ha ayroodpa3HHX HapyrauxyqacTKax nepBoro ancna, πρημηκθμιηχ κ yanHHeHHHM rpaHnuBtjpe30B, ΒΗΠΟΠΗβΗΗ BbJCTynH, BTOpO0 aHCK £ C TOpija ΒΗΠ ΠΗβΗc HMJiHHapwHecKi-IMH BbicTynaMH conpfliseHHH aaa c-cooTBeacTBy ΙΟΠξΗΜΗ ayr005pa3HbIWH ΠΟΒβρΧΗΟΟ TBMH ΠβρΒΟΓΟ aHCKa C M03KH0CTLK-B03) B38HMH0 ΟΓρθΗΗΜβΗΗΟΓΟ ΠβρβΜβΠΙβΚΗΗ HX ΗΗΠΗΗ- 237 225 - II - ztpuqecKwe BHCTynH mmsiot OTorHyrae BHyTpB ynopu ζχππΚ0ΗΤ3ΚΤ3 ΟΖξΗΟίϊ CTOpOHOíí HX c COOTBeTCTByiOtUHMH COKOBHMHCT0p0H3MM nJiaCTHHOK, ΠρΗ 3T0M BTOpOfi ZtHCK ΒΗΠΟΠΗβΗ CyrjiyĎneHHHMH ζζππ pa3MemeHHH ynouHHyToS npyaHHu H CHSC-ΚθΗ ΗΗβρίξΗΟΗΗΗΜ ΒΚΗ85Η1ΠβΜ OCBE C) HJIfi ΟΠΗρβΗΗΗ ΒΤΟρΟΓΟ4HCK8 Ha KOpnyc B 30He 38ΖξΗββ ΟΤβΗΚΗ, ΚΟΤΟρΟΓΟ CMOH-ΤΗρΟΒΘΗ pacnOpHhlft ΟΤβρΚβΗΒ 2ξΠΗ ΟΓΗύθΗΗΗ βΓΟ ΙΙβΗΤΟβ Η8ΒΗΧοζξβ Η3 Kopnyca ee. Second ycTpoíícTBO no Ni OTHunaiomeecH τβω, ητο ΗΗβρ UHOHHua-AAT-HK conepoT AepaaTejiL what cTyneHnaTUM oTBepc-Theis, b κοτοροω yciaHOBneH οτβρκβΗΒ, CBH3aHHbiK c ΗΗβρ-iíhohhhm τθπομ h rojiOBKOtí, ΗΜβιοπιββ $ opMy nepeBepHyToroyceneHHoro KOHyca and ynOMHHyTan CODANK mapHHpHO cmoh- TMpOB3H8 ΗΘ OCH, γ0Τ3ΗΟΒ3ΙβΗΗ0Μ B ΖΙβρΚΘΤβΠβ C B03M0KH0-ctlb ynopa cbohm cpeiHHM y ^ acTKOM b nnocKyro noBepxHOCTByKa33HH0M ΓΟΙΙΟΒΚΜ, ΠρΗ 3T0M COSa ^ KQ ΒΜΠΟΠΗβΗΘ H30rHyT0fíH3 ynpyroro MaTepnana. Third ycTpoKcTBO no ππ.Ι H 2 OTonarameecH τβΜ, ητο, cpenLio noBbímoHMH nponHOCTH zieTanefi ycTpofócTBa, xpanoBOňB6H6H, ΒΗΠΟΠΗβΗ C TynOyrOJILHUMM 3ySLHMM Η βΓΟ TOJIlUHHapaBHa ΤΟΠΟΙΗΗβ nnaCTHHOH ÚHOKHpyiOUHX ΘΠβωβΗΤΟΒ H T0JHHHH6ΠβρΒΟΓΟ HHCK3. 4. ycT least cBO no n-I-3, OTHuqaroineecfl τβΜ, ητο βτικο-BepcraH nnacTHHOK SiOHupyramiix sneueHTOB BunojiHeHH CTy-neHnartiMH. 5. ycTpoííTBO no nn.I-4, OTJiHnawmeecH τβω, ητο Βτοροπ5HCK ΒΗΠ0ΠΗ6Η H3 CHHT6ΤΗΜβΟΚΟΓΟ ΜΘΤβρΗΘΠΘ, ΗΘΠρΗΜβρ ΠΠθΟΤlíaCCH. 6. ycTpoftcTBO πο ππ.Ι-5, OTJiMnaiomeecH τβΜ, ητο βnjiacTHHKax SnoKHpyraiUHX aneueHTOB Ha ηχ B3anuoziencTByto-mnx c 3y6i> HMH xpanoBoro BeHpa CTopoHax BunojiHeHH v - o6pa3Htie Bnazprau. I4CTOHHHKH ΗΗφΟρΜθρΗΗ, ΠρΗΗΗΤΗβ BO ΒΗΗΜΘΗΗβΠρΜ 3Κ0ΠβρΤΗ3β: I. ΠβτβΗΤ CI11A N ° 3442467, κπ.242-107.4 onyÚJiHH.1969. 237225 - 12 - 2. 3aflBKa ° N ° 2554327, κπ. A 62 Β 35 / 02,1976 237225 13

AHHOTAIW Π3Ο0ρβΤΘΗΗΘ OTHOCHTCfl κ ycTpoíicTBaM nacczBHoSóe3onacHocTH TpaHcnopraux cpeEcra. IJeJih H3OópeTeHna - ποβηιπθηηθ SKCiuiyaTaiíHORHoií Ha-Εθηηοοτη πγτθΜ yjiyquieHHH β33ημοεθ0οτβηη ÓJiOKHpyWK 3Jie-ΜβΗΤΟΒ C IHOKaMH H XpanOBHM BeHUOM 3a ΟΊβΤ yMeHLmeHHayseJiBHHx narpy30K, ycTpaHeHM κοΛθόθΗΜ BeJuraum Orao-CHTeJIhHOrO HHepUHOHHOrO ΕΟ3ΕΘ0ΟΤΒΗΗ BToporo flHCKa, attacks of &amp; e 3a οπβτ HCKEOTeHHH caMonpoH3BOEhHoro cpaóaraBaHHsόΛοκκροΒΚΗ πρκ OTcyTCTBHH aBapuflHog CHTyaiJHH. 3TO EO cTHraeTCH τβΜ, ητο óJiOKapyiamie θλθμθητη βηποληθηη β BH-Εβ iuiacTHHOK, HMeWK roopwy npHMoyroELHOH Tpaneipm cIieHTpaJILHHM ΟΤΒβρΟΤΗβΜ, 0ΒΗ38ΗΗΗΧ ΜΘΚΕ7 COÓO0 IÍHEHHEPH-πβοκο0 npyKHHofi pacTHseHna, HMeioinefi OTorHyrae kohhh, 3a-ΒθΕθΗΗϋβ B yKa3aHHHe OTBepOTHH B HepBOM ΕΗΟΚβ ΒΗΠΟΕΗβΗΗEnaM8TpaELH0 pacnoEOKeHHHe Bnpe3H, oópa3OBaHHne κθκεηηyKopoEeHHOií h υεληηθηηο0 nepeceKammuMHCE πρημημη rpaHH-MH CV -OÓpa3HHM 3TTEyÓE6HH6M Β ΠΟΟΛβΕΗθΠ ΕΛΗ Ε33ΗΜΟΕθ2-c CTBHfl npaMUM yrJiOM cooTBeTCTByroineií πλθοτηηκη and HaEyrooópa3Hux HapyxHHx yqacTKax nepBoro EHCKa, πρημμκθβ njHX-K yEJIHHeHHHM rpaHHM ΒΗΡ63ΟΒ, ΒΗΠΟΕΗΘΗΗ BHCTyHU, BTO-pOH E0CK C TOpiia ΒΗΠΟΕΗΘΗ C ΙίΗΛΗΗΕΡΚΗΘΟΚΗΜΗ BHCiynaMHjgisi conpfflKeHHH c cooTBeTCTijyDíJímB flyrooópa3HHMH noBepx-HOCTHMH ΠβρΒΟΓΟ EHCK3 C B03M0KH0CTLE) B33HMH0 OrpaHHHeH-Horo nepeMe meHHH HX EHEHHEPHHecKue BHCTyntí ημθιοτ οτογ-Hyra ΒΗγτρΕ ynopa E &amp; H κοητθκτθ oeho2 hx ctopohoh cCOOTBeTCTByJOUlHMH ÓOKOBHMH CTOpOHaMH HEaCTHHOK, ΠρΗ 3T0MBTOpOĚ EHCK ΒΗΠΟΛΗβΗ C yTEyÓEeHHHMH ΕΛΗ ρ33ΜΘΕθΗΗΗ yho-MHHyTOfj npyHEHH H CHaÓŤiíeH HHepííHOHHHM EKJiajíJUieM C exp) ΕΛΗ OnupaHHíI ΕΤΟΡΟΓΟ EHCKa Ha KO.pnyC , E SOfíe 33ΕΗβΜ CT6H-KE; ΚΟΤΟρΟΓΟ CMOHTIipOEaH pacnOpHHfí CTepxeHL · ΕΛΗ ornóa-hhh ero EeHTOflHa θΕθ ee Π3 Kopnyca. 237225

Claims (6)

237225 SUBJECT OF THE INVENTION Emergency seat belt retraction device of a vehicle comprising a U-shaped housing with a roller positioned therein under pressure of a helical spring to grip and retract the belt, two disks interacting with the locking elements of the mechanism, the first disk being fixed to the roller and the second is connected to the first one with the possibility of interlocking and is provided with teeth, a ratchet is fastened to the bushing coaxially with the first disk and the interlocking elements and the rotary latch inertial sensor are engaged to interact with the teeth of the second disk, that, in order to increase its operational reliability by improving the interaction of the locking elements with the discs and the ratchet rim at the expense of reducing the specific load, the variation in the value of the relative inward action of the second disc also at the expense of exclusion In the case of an emergency, the locking elements are in the form of plates having a rectangular shape with a central opening connected between them by a cylindrical expanding spring having angled ends introduced into said openings. Outputs are provided by a shortened and elongated intermittent rectangular V-shaped recess to interact with the right angle of the corresponding plate and at the arched outer portions of the first disc, the second disc having cylindrical outlets for engagement with corresponding arcuate surfaces of the first disk with relative displaceability thereof, the cylindrical outlets having an internally bent support for contacting one of the sides with the corresponding side panels of the plates, the second disk being provided with recesses to accommodate the abovementioned springs and equipped with an inertial insert with an axis for supporting the second disc with the housing, a spacing column is provided in the space of the rear wall for bending the belt as it exits the housing. An emergency closing device according to claim 1, characterized in that the inertial sensor comprises a holder with a stepped opening in which a post is connected, connected to the inertial body and the head, having the shape of a rotated truncated cone, and said latch being articulated on an axis placed in a support with its central part by a flat part of said head, the latch being made of a resilient material. 3. The closure of the draw-in device according to claim 1, wherein the purpose of increasing the strength of the mechanism is to provide the ratchet ring with obtuse teeth and a thickness equal to the thickness of the locking elements and the thickness of the first disk. 4. The emergency closing device according to claim 1, wherein the inserts of the locking elements are stepped. 5. An emergency closing device according to any one of claims 1 to 4, characterized in that the second disc is made of a synthetic material, for example plastic. 6. Emergency closing device according to claim 1, characterized in that recesses of the "V" shape are provided in the plates of the locking elements on their side of the interaction with the teeth of the ratchet. Recognized by the invention on the basis of the results of expertise, conducted by the State Committee for Inventions and Discoveries SSSH, Moscow, SU. 3 drawings