本發明涉及制冷設備技術領域,具體(ti)為一種冰箱制冷管路固(gu)定結構。
背景技術:
目前(qian),市(shi)場上(shang)制(zhi)冷設備為(wei)了固(gu)(gu)定(ding)(ding)(ding)管(guan)路(lu),會采(cai)用各種固(gu)(gu)定(ding)(ding)(ding)方式。現(xian)有的(de)較(jiao)長管(guan)路(lu)固(gu)(gu)定(ding)(ding)(ding)方式大多將(jiang)管(guan)路(lu)固(gu)(gu)定(ding)(ding)(ding)在箱體(ti)上(shang),或將(jiang)不同的(de)管(guan)路(lu)捆(kun)扎在一起以增加結構(gou)強(qiang)度(du),管(guan)路(lu)的(de)固(gu)(gu)定(ding)(ding)(ding)方式較(jiao)為(wei)單一,若(ruo)遇到較(jiao)長的(de)懸空管(guan)路(lu),就需要通過管(guan)路(lu)固(gu)(gu)定(ding)(ding)(ding)板固(gu)(gu)定(ding)(ding)(ding),但現(xian)有技(ji)術(shu)中(zhong)的(de)管(guan)路(lu)固(gu)(gu)定(ding)(ding)(ding)板只能固(gu)(gu)定(ding)(ding)(ding)管(guan)路(lu),功(gong)能單一,且(qie)結構(gou)復雜。
技術實現要素:
本發明(ming)所解決(jue)的技(ji)術(shu)問(wen)題(ti)在于(yu)提供(gong)一(yi)種冰箱制冷管路固定結構,以(yi)解決(jue)上(shang)述背景技(ji)術(shu)中提出(chu)的問(wen)題(ti)。
本(ben)發明所解決的(de)技術(shu)問題采(cai)用以下技術(shu)方案來實(shi)現(xian):一種(zhong)冰箱制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)管(guan)(guan)(guan)路固(gu)(gu)(gu)(gu)定(ding)(ding)(ding)結構,包括:制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)(ding)(ding)底座,所述制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)(ding)(ding)底座上(shang)設(she)有左側(ce)(ce)(ce)(ce)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)(ding)(ding)桿(gan)(gan)、右側(ce)(ce)(ce)(ce)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)(ding)(ding)桿(gan)(gan),所述左側(ce)(ce)(ce)(ce)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)(ding)(ding)桿(gan)(gan)、右側(ce)(ce)(ce)(ce)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)(ding)(ding)桿(gan)(gan)上(shang)端設(she)有制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)(ding)(ding)頂板,所述左側(ce)(ce)(ce)(ce)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)(ding)(ding)桿(gan)(gan)、右側(ce)(ce)(ce)(ce)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)(ding)(ding)桿(gan)(gan)上(shang)設(she)有制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)(ding)(ding)夾(jia),所述制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)(ding)(ding)夾(jia)滑動(dong)套設(she)在左側(ce)(ce)(ce)(ce)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)(ding)(ding)桿(gan)(gan)、右側(ce)(ce)(ce)(ce)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)(ding)(ding)桿(gan)(gan)上(shang),所述制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)(ding)(ding)夾(jia)之間的(de)左側(ce)(ce)(ce)(ce)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)(ding)(ding)桿(gan)(gan)、右側(ce)(ce)(ce)(ce)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)(ding)(ding)桿(gan)(gan)上(shang)套設(she)有壓緊彈簧。
所(suo)述制冷管(guan)固(gu)(gu)定夾(jia)(jia)包(bao)括上固(gu)(gu)定夾(jia)(jia)、下(xia)固(gu)(gu)定夾(jia)(jia),所(suo)述上固(gu)(gu)定夾(jia)(jia)、下(xia)固(gu)(gu)定夾(jia)(jia)相對設(she)(she)置,上固(gu)(gu)定夾(jia)(jia)、下(xia)固(gu)(gu)定夾(jia)(jia)一端上設(she)(she)有滑動(dong)通(tong)孔,滑動(dong)通(tong)孔套設(she)(she)在左(zuo)側制冷管(guan)固(gu)(gu)定桿、右側制冷管(guan)固(gu)(gu)定桿上。
所(suo)(suo)述上(shang)固定(ding)(ding)(ding)夾(jia)、下(xia)固定(ding)(ding)(ding)夾(jia)包括接(jie)入(ru)端(duan)(duan)(duan)、夾(jia)持(chi)端(duan)(duan)(duan)、固定(ding)(ding)(ding)端(duan)(duan)(duan),所(suo)(suo)述接(jie)入(ru)端(duan)(duan)(duan)、夾(jia)持(chi)端(duan)(duan)(duan)、固定(ding)(ding)(ding)端(duan)(duan)(duan)為一體成型結構,所(suo)(suo)述接(jie)入(ru)端(duan)(duan)(duan)為弧形結構,所(suo)(suo)述夾(jia)持(chi)端(duan)(duan)(duan)為半圓形結構,所(suo)(suo)述固定(ding)(ding)(ding)端(duan)(duan)(duan)上(shang)設(she)(she)有滑動通(tong)孔,滑動通(tong)孔套設(she)(she)在左側制冷管固定(ding)(ding)(ding)桿(gan)、右側制冷管固定(ding)(ding)(ding)桿(gan)上(shang)。
所(suo)述左(zuo)側制冷管(guan)(guan)固定(ding)桿、右側制冷管(guan)(guan)固定(ding)桿下端設(she)有調(diao)整滑塊,制冷管(guan)(guan)固定(ding)底座上設(she)有調(diao)整滑槽(cao),所(suo)述調(diao)整滑塊安裝在調(diao)整滑槽(cao)內(nei),制冷管(guan)(guan)固定(ding)頂板上設(she)有隨(sui)動滑槽(cao)。
所(suo)述制冷管固(gu)定頂板上(shang)設有固(gu)定螺(luo)栓,調整(zheng)滑(hua)(hua)槽兩端設有固(gu)定堵頭(tou),固(gu)定堵頭(tou)通過(guo)堵頭(tou)固(gu)定螺(luo),安裝在(zai)調整(zheng)滑(hua)(hua)槽兩端,調整(zheng)滑(hua)(hua)塊上(shang)設有調整(zheng)緊固(gu)螺(luo)釘。
與現有技術相(xiang)比,本發(fa)明(ming)(ming)的有益(yi)效果是:本發(fa)明(ming)(ming)由于制冷(leng)管固定(ding)夾滑動套(tao)設在左側(ce)制冷(leng)管固定(ding)桿(gan)、右側(ce)制冷(leng)管固定(ding)桿(gan)上,可以(yi)適應不同尺寸的制冷(leng)管安(an)裝(zhuang)(zhuang),而且,能夠在安(an)裝(zhuang)(zhuang)后自動加緊,防止晃(huang)動,保障(zhang)使用(yong)壽命,同時,可以(yi)根據安(an)裝(zhuang)(zhuang)環境調整制冷(leng)管的安(an)裝(zhuang)(zhuang)位置。
附圖說明
圖1為本發(fa)明的結構示(shi)意圖。
具體實施方式
為(wei)了(le)使本(ben)發明的(de)實現技術手段、創(chuang)作特征、達成目的(de)與功效易于明白了(le)解,下面結合具體圖示,進一步闡述(shu)本(ben)發明。
如圖1所(suo)(suo)示,一種冰箱制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)路固(gu)(gu)(gu)(gu)定(ding)結構,包括:制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)底(di)座(zuo)2,所(suo)(suo)述(shu)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)底(di)座(zuo)2上設(she)(she)有(you)(you)左(zuo)側(ce)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)桿6、右(you)側(ce)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)桿5,所(suo)(suo)述(shu)左(zuo)側(ce)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)桿6、右(you)側(ce)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)桿5上端設(she)(she)有(you)(you)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)頂(ding)板1,所(suo)(suo)述(shu)左(zuo)側(ce)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)桿6、右(you)側(ce)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)桿5上設(she)(she)有(you)(you)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)夾,所(suo)(suo)述(shu)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)夾滑動(dong)套(tao)設(she)(she)在左(zuo)側(ce)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)桿6、右(you)側(ce)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)桿5上,所(suo)(suo)述(shu)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)夾之(zhi)間的左(zuo)側(ce)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)桿6、右(you)側(ce)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)定(ding)桿5上套(tao)設(she)(she)有(you)(you)壓緊彈(dan)簧(huang)7。
所述制冷(leng)管固(gu)(gu)定(ding)(ding)夾包括上(shang)固(gu)(gu)定(ding)(ding)夾8、下固(gu)(gu)定(ding)(ding)夾9,所述上(shang)固(gu)(gu)定(ding)(ding)夾8、下固(gu)(gu)定(ding)(ding)夾9相(xiang)對設(she)置,上(shang)固(gu)(gu)定(ding)(ding)夾8、下固(gu)(gu)定(ding)(ding)夾9一端上(shang)設(she)有滑動(dong)通孔10,滑動(dong)通孔10套設(she)在左側制冷(leng)管固(gu)(gu)定(ding)(ding)桿6、右(you)側制冷(leng)管固(gu)(gu)定(ding)(ding)桿5上(shang)。
所(suo)述(shu)上固(gu)定夾(jia)(jia)8、下固(gu)定夾(jia)(jia)9包括接(jie)入(ru)端(duan)17、夾(jia)(jia)持端(duan)18、固(gu)定端(duan)19,所(suo)述(shu)接(jie)入(ru)端(duan)17、夾(jia)(jia)持端(duan)18、固(gu)定端(duan)19為(wei)一體成(cheng)型結(jie)(jie)構(gou)(gou),所(suo)述(shu)接(jie)入(ru)端(duan)17為(wei)弧形(xing)結(jie)(jie)構(gou)(gou),所(suo)述(shu)夾(jia)(jia)持端(duan)18為(wei)半(ban)圓形(xing)結(jie)(jie)構(gou)(gou),所(suo)述(shu)固(gu)定端(duan)19上設(she)(she)有滑動通(tong)(tong)孔(kong)10,滑動通(tong)(tong)孔(kong)10套設(she)(she)在(zai)左側(ce)制冷管固(gu)定桿6、右側(ce)制冷管固(gu)定桿5上。
所述左側制(zhi)(zhi)冷(leng)管(guan)(guan)固(gu)定桿6、右側制(zhi)(zhi)冷(leng)管(guan)(guan)固(gu)定桿5下端(duan)設有調(diao)(diao)整(zheng)滑(hua)塊(kuai)13,制(zhi)(zhi)冷(leng)管(guan)(guan)固(gu)定底座2上設有調(diao)(diao)整(zheng)滑(hua)槽4,所述調(diao)(diao)整(zheng)滑(hua)塊(kuai)13安裝(zhuang)在調(diao)(diao)整(zheng)滑(hua)槽4內,制(zhi)(zhi)冷(leng)管(guan)(guan)固(gu)定頂板1上設有隨動(dong)滑(hua)槽3。
所(suo)述制冷管固(gu)定(ding)頂板1上(shang)設有(you)固(gu)定(ding)螺栓20,調整滑(hua)(hua)槽4兩(liang)端設有(you)固(gu)定(ding)堵頭15,固(gu)定(ding)堵頭15通過堵頭固(gu)定(ding)螺,16安裝在調整滑(hua)(hua)槽4兩(liang)端,調整滑(hua)(hua)塊13上(shang)設有(you)調整緊固(gu)螺釘14。
本(ben)發明左(zuo)側(ce)(ce)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)(gu)定桿6、右側(ce)(ce)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)(gu)定桿5上設(she)有(you)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)(gu)定夾,所述(shu)(shu)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)(gu)定夾滑(hua)(hua)(hua)動套(tao)設(she)在(zai)左(zuo)側(ce)(ce)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)(gu)定桿6、右側(ce)(ce)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)(gu)定桿5上,所述(shu)(shu)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)(gu)定夾之(zhi)間的左(zuo)側(ce)(ce)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)(gu)定桿6、右側(ce)(ce)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)(gu)定桿5上套(tao)設(she)有(you)壓(ya)緊(jin)彈簧7,由于制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)(gu)定夾滑(hua)(hua)(hua)動套(tao)設(she)在(zai)左(zuo)側(ce)(ce)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)(gu)定桿6、右側(ce)(ce)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)(gu)定桿5上,可以適應不同(tong)(tong)尺寸的制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)安(an)裝,而且(qie),制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)(gu)定夾之(zhi)間的左(zuo)側(ce)(ce)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)(gu)定桿6、右側(ce)(ce)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)(gu)定桿5上套(tao)設(she)有(you)壓(ya)緊(jin)彈簧7,能(neng)夠在(zai)安(an)裝后自動加(jia)緊(jin),防(fang)止晃動,保(bao)障使用壽命(ming),同(tong)(tong)時,左(zuo)側(ce)(ce)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)(gu)定桿6、右側(ce)(ce)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)(gu)定桿5下端設(she)有(you)調(diao)(diao)(diao)整(zheng)滑(hua)(hua)(hua)塊13,制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)(gu)定底座2上設(she)有(you)調(diao)(diao)(diao)整(zheng)滑(hua)(hua)(hua)槽(cao)4,所述(shu)(shu)調(diao)(diao)(diao)整(zheng)滑(hua)(hua)(hua)塊13安(an)裝在(zai)調(diao)(diao)(diao)整(zheng)滑(hua)(hua)(hua)槽(cao)4內,制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)固(gu)(gu)(gu)(gu)(gu)定頂板1上設(she)有(you)隨(sui)動滑(hua)(hua)(hua)槽(cao)3,可以根(gen)據(ju)安(an)裝環境調(diao)(diao)(diao)整(zheng)制(zhi)(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)(leng)管(guan)(guan)(guan)的安(an)裝位置。
以上(shang)顯(xian)示和描述了(le)本(ben)(ben)(ben)發(fa)明(ming)(ming)的基(ji)本(ben)(ben)(ben)原理和主要特征和本(ben)(ben)(ben)發(fa)明(ming)(ming)的優點(dian)。本(ben)(ben)(ben)行業(ye)的技術(shu)人員應(ying)該了(le)解(jie),本(ben)(ben)(ben)發(fa)明(ming)(ming)不受上(shang)述實施例的限制,上(shang)述實施例和說明(ming)(ming)書中描述的只是說明(ming)(ming)本(ben)(ben)(ben)發(fa)明(ming)(ming)的原理,在不脫離本(ben)(ben)(ben)發(fa)明(ming)(ming)精神和范(fan)圍(wei)的前(qian)提(ti)下,本(ben)(ben)(ben)發(fa)明(ming)(ming)還會(hui)有各種(zhong)變(bian)化和改(gai)進,這些變(bian)化和改(gai)進都落入要求(qiu)保護(hu)(hu)的本(ben)(ben)(ben)發(fa)明(ming)(ming)范(fan)圍(wei)內。本(ben)(ben)(ben)發(fa)明(ming)(ming)的要求(qiu)保護(hu)(hu)范(fan)圍(wei)由所附的權利要求(qiu)書及其等效物界(jie)定。