rexroth力(li)士(shi)樂(le)單向閥(fa)s系(xi)列(lie)公司產(chǎn)品(pin)概述(shu)：

rexroth力(li)士(shi)樂(le)單向閥(fa)s系(xi)列(lie)公司rexroth力(li)士(shi)樂(le)單向閥(fa)s系(xi)列(lie)在定(ding)量(liang)泵(beng)液壓(ya)系(xi)統(tǒng)(tong)中(zhong)的主(zhu)要(yao)作用(yong)是(shi)與溢(yi)流閥(fa)配(pei)合，組(zu)成三(san)種(zhong)節(jié)流調(diào)速系(xi)統(tǒng)(tong)：即(ji)進(jìn)油(you)節(jié)流調(diào)速系(xi)統(tǒng)(tong)、回油(you)節(jié)流調(diào)速系(xi)統(tǒng)(tong)和(he)旁路(lu)節(jié)流調(diào)速系(xi)統(tǒng)(tong)。rexroth力(li)士(shi)樂(le)單向閥(fa)s系(xi)列(lie)對(duì)(dui)於(yu)執(zhí)(zhi)行(xing)元件(jian)要(yao)求(qiu)往(wang)返(fan)節(jié)流調(diào)速的系(xi)統(tǒng)(tong)可(ke)使用(yong)兩個(gè)(ge)單向節(jié)流閥(fa)。節(jié)流閥(fa)也(ye)在(zai)容(rong)積節(jié)流調(diào)速回路(lu)中(zhong)使用(yong)。這(zhe)種(zhong)閥(fa)沒(mei)有(you)壓(ya)力(li)及(ji)溫(wen)度(du)補(bǔ)償(chang)裝(zhuang)置(zhi)，不能自動(dòng)(dong)補(bǔ)償(chang)載荷(he)及(ji)油(you)液(ye)粘(zhan)度(du)變(bian)化(hua)時(shí)(shi)造(zao)成的速度(du)不穩(wěn)(wen)定(ding)，但其結(jié)構(gòu)簡(jian)單，制造(zao)和維護(hù)方便。所(suo)以(yi)在載荷(he)變(bian)化(hua)不大或?qū)?dui)速(su)度(du)穩(wěn)定(ding)性要(yao)求(qiu)不高(gao)的壹般(ban)液壓(ya)系(xi)統(tǒng)(tong)中(zhong)得到(dao)廣泛(fan)應(yīng)(ying)用。rexroth力(li)士(shi)樂(le)單向閥(fa)s系(xi)列(lie)有(you)直(zhi)通(tong)式和直(zhi)角(jiao)式兩種(zhong)。直(zhi)通(tong)式單向閥(fa)用(yong)螺紋(wen)連接(jie)安(an)裝在管路(lu)上。直(zhi)角(jiao)式單向閥(fa)有(you)螺紋(wen)連接(jie)、板(ban)式連接(jie)和(he)法蘭連(lian)接(jie)三(san)種(zhong)形(xing)式。液控(kong)單向閥(fa)也(ye)稱(cheng)閉鎖(suo)閥(fa)或保(bao)壓(ya)閥(fa)，它(ta)與單向閥(fa)相同，用(yong)以(yi)防(fang)止(zhi)油(you)液(ye)反(fan)向(xiang)流(liu)動(dòng)(dong)。但在(zai)液(ye)壓(ya)回路(lu)中(zhong)需(xu)要(yao)油(you)流(liu)反(fan)向(xiang)流(liu)動(dòng)(dong)時(shí)(shi)又可(ke)利用控(kong)制(zhi)油(you)壓(ya)，打(da)開(kai)單向閥(fa)，使(shi)油(you)流(liu)在(zai)兩(liang)個(gè)(ge)方向都可(ke)流動(dòng)(dong)。rexroth力(li)士(shi)樂(le)單向閥(fa)s系(xi)列(lie)采(cai)用(yong)錐形(xing)閥(fa)芯(xin)，因此(ci)密(mi)封(feng)性(xing)能好。在要(yao)求(qiu)封(feng)閉油(you)路(lu)時(shí)(shi)，可用(yong)此閥(fa)作為(wei)油(you)路(lu)的單向鎖(suo)緊(jin)而(er)起保(bao)壓(ya)作用(yong)。液(ye)控(kong)單向閥(fa)控(kong)制(zhi)油(you)的泄(xie)漏方式有(you)內(nèi)泄(xie)式和外泄(xie)式二(er)種(zhong)。在油(you)流(liu)反(fan)向(xiang)出(chu)口(kou)無(wu)背(bei)壓(ya)的油(you)路(lu)中(zhong)可(ke)用(yong)內(nèi)泄(xie)式；否則(ze)需(xu)用(yong)外泄(xie)式，以(yi)降低控(kong)制(zhi)油(you)壓(ya)力(li)。
rexroth力(li)士(shi)樂(le)單向閥(fa)s系(xi)列(lie)是(shi)疊加(jia)結(jié)構(gòu)的直(zhi)動(dòng)(dong)式單向閥(fa)。該(gai)單向閥(fa)壹(yi)個(gè)(ge)方向無(wu)泄(xie)漏關(guān)(guan)閉，另壹方向允(yun)許(xu)自由(you)流通(tong)。錐閥(fa)芯(xin)(3)的行(xing)程受彈簧(huang)座(4)的限制(zhi)。彈簧(huang)(5)促(cu)使錐閥(fa)芯(xin)(3)關(guān)閉。當(dāng)(dang)無流(liu)量(liang)通(tong)過時(shí)(shi)，彈簧(huang)(5)將閥(fa)芯(xin)(3)保(bao)持(chi)在(zai)關(guān)(guan)閉位置(zhi)。ZIS 6 ..-3XN型（用金(jin)屬(shu)密(mi)封(feng)）此(ci)閥(fa)在(zai)錐閥(fa)芯(xin)(3)和閥(fa)體(ti)(1)之間(jian)有(you)壹個(gè)(ge)金(jin)屬(shu)密(mi)封(feng)。因此(ci)特(te)別(bie)適用於(yu)工作壓(ya)力(li)高(gao)於(yu)100bar和流(liu)速(su)大(da)於(yu)4m/s的場(chang)合(he)。ZIS 10.．1-3XNW4型（用軟(ruan)質(zhì)材(cai)料密封(feng)）此(ci)類閥(fa)在(zai)錐閥(fa)(3)和(he)閥(fa)體(ti)(1)之間(jian)有(you)壹軟(ruan)質(zhì)密(mi)封(feng)。因而(er)密封(feng)嚴(yán)(yan)密。此(ci)密封(feng)特(te)別(bie)適用於(yu)流速(su)至(zhi)4m/s和低工(gong)作壓(ya)力(li)的場(chang)合(he)。rexroth力(li)士(shi)樂(le)單向閥(fa)s系(xi)列(lie)公司為(wei)您展(zhan)示產(chǎn)品(pin)結(jié)構(gòu)圖：

rexroth力(li)士(shi)樂(le)單向閥(fa)s系(xi)列(lie)公司為(wei)您展(zhan)示型號(hào)(hao)如下(xia)：
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