Niaj hnub nimno vaj tse xav tau xauv. Yuav tsis muaj qhov rooj nyab xeeb thiab siv tau yog tias nws tsis muaj lub hauv paus kaw. Nws yuav tsum tau nruab nrog lub xauv ruaj khov. Nyob rau tib lub sijhawm, txhua chav tuaj yeem raug kaw, yog tias tus tswv tau hais txog qhov kev xav tau, kom tsis muaj leej twg tuaj yeem nkag mus rau hauv cov khoom ntiag tug. Nws yog ib qho nyuaj rau xav txog tej yam niaj hnub no yuav ua li cas tsis muaj bolts thiab hooks, tshwj xeeb tshaj yog nyob rau hauv chav dej thiab chav dej.
Ua ntej nws tshwm sim
Rau cov laj thawj no, tau tsim ib lub qhov rooj latch. Txawm li cas los xij, cia peb pib hauv kev txiav txim. Tau ntev, tib neeg tau sim tsim lub zes cozy, xis nyob. Lawv xaiv thiab tsim cov qauv uas tuaj yeem ua qhov chaw nkaum los ntawm qhov txias thiab tawm tsam ntawm cov tsiaj nyeg. Cov qhov rais tuab thiab qhov rooj tau ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv thaj chaw los ntawm cua thiab tsiaj qus. Nyob rau hauv cov hnub, tib neeg tsis paub dab tsi lub latch thiab xauv. Yuav kom kaw lub qhov rooj, lawv yuav tsum tau siv ntau yam improvised txhais tau tias: bolts, props, shovels, brooms. Padlocks tau tsim sai sai. Lawv khov kho tuav cov shutters thiabqhov rooj.
Latch yog dab tsi?
Tib neeg tau nrawm nrawm nrog lub sijhawm, thiab cov xauv loj loj tau hloov los ntawm cov kaw me me. Cov no yog hooks, hinged chains thiab latches. Dab tsi yog latches, niaj hnub txiv neej paub. Nws tuaj yeem pom lawv ob qho tib si hauv tsev thiab hauv cov tsev pej xeem.
Cov khoom no yog lub qhov rooj latch tsim los tuav cov nplooj hauv qhov chaw kaw. Lawv feem ntau yog siv rau ntawm qhov rais thav duab, chav dej chav dej. Nws yog nrov heev nrog ob lub qhov rooj, nyob rau hauv uas ib feem tseem motionless. Qhov kev ua haujlwm ntawm qhov qhib sash tsuas yog xws li tias lub latch tau nruab rau hauv nruab nrab thiab imperceptibly txuas ob ntu nrog lub valve me me.
Hom thiab hom phiaj ntawm bolts
Latches muaj peb hom: mortise, built-in thiab overhead. Lawv yog tsim los ntawm cov ntaub ntawv xws li steel, aluminium, tooj liab. Nruab lub heck koj tus kheej los yog nrog kev pab los ntawm tus wizard.
Tus nqi them nqi yog nyob rau qhov pom tseeb. Yog li ntawd, cov neeg tsim khoom tab tom sim muab nws ib qho kev nthuav duab, pleasing rau lub qhov muag thiab ua ke nrog lub qhov rooj trim. Nws feem ntau yog xaiv rau kev teeb tsa ncej.
Dab tsi yog mortise latch, masters nyob rau hauv assembling sab hauv thiab nkag qhov rooj paub. Qhov no yog hom latch ntau tshaj plaws uas txiav rau hauv cov qauv ntawm lub qhov rooj nws tus kheej thiab ua rau pom qhov muag tsis pom. Tab sis lawv muaj ib qho teeb meem - yog tias qhov tsis ua tiav, nws yuav nyuaj los hloov nws.
Cov latches tau muab tso rauqhov rooj nplooj siab. Lawv ua ib txhij kaw ntawm ob lub latches, qis thiab sab sauv. Qhov tsis yooj yim thaum kev teeb tsa ua rau kev taw qhia ntawm lub ntsia liaj qhov rooj rau hauv qhov profile ntawm cov qauv.
Thaum xaiv, koj yuav tsum tau ua tib zoo mloog rau ob peb lub ntsiab lus:
- sijhawm teem sijhawm thiab ua haujlwm;
- txiav txim siab xaiv cov khoom siv twg nws yuav ua thiab qhov loj npaum li cas nws yuav yog;
- rau qhov xav tau thiab cov qauv tsim.
Lub latch zoo yog qhov txhim khu kev qha ntawm lub qhov rais thiab cov qhov rooj hauv chav, nrog rau kev tiv thaiv kev tiv thaiv kev nkag mus rau hauv tus kheej thaj chaw.