CN2031055U - 侧插式旁通器 - Google Patents

侧插式旁通器 Download PDF

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Publication number
CN2031055U
CN2031055U CN 87205518 CN87205518U CN2031055U CN 2031055 U CN2031055 U CN 2031055U CN 87205518 CN87205518 CN 87205518 CN 87205518 U CN87205518 U CN 87205518U CN 2031055 U CN2031055 U CN 2031055U
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arm
pass device
bypass device
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CN 87205518
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English (en)
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邱为铎
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BEIJING INST OF WATER CONSERVANCY AND WATER AND POWER SCIENCE
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BEIJING INST OF WATER CONSERVANCY AND WATER AND POWER SCIENCE
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Priority to CN 87205518 priority Critical patent/CN2031055U/zh
Publication of CN2031055U publication Critical patent/CN2031055U/zh
Withdrawn legal-status Critical Current

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Abstract

一种侧插式旁通器,用以连接支管和毛管。旁通器利用底部锥形,加外力压入支管管壁上的孔眼,并通过挤压“O”形止水胶圈密封止水。

Description

本实用新型涉及一种连接支管和毛管的侧插式旁通器。
滴灌是一种新型的灌木技术,它通过一系列不同管径的塑料管道,将水直接输送到作物根区附近的土壤中,以满足作物的需水要求。毛管是最末一级管道,它从支管侧面将水引出。目前我国采用的传统连接方式是先在支管侧面打孔,再将旁通器插入支管后用铁丝 绑。此法的缺点是:
(1)铁丝日久锈蚀断落。
(2)容易产生漏水。
(3)外形不美观。
国外也有类似的侧插式旁通器(见参考文献),但其关键部件使用的是双侧异形止水胶圈,制造工艺较复杂,而且在插入过程中,有可能连带胶圈搓入支管内。
本实用新型的目的是要提供一种新型旁通器,它既不要铁丝綑绑,又要比国外的侧插式旁通器简单实用。
本实用新型的目的是这样实现的:旁通器的底座为一锥形,其直径略大于支管侧壁孔径。锥形座的上方有一截面为方形的环槽,环槽的内径略大于支管侧壁孔径,槽宽略大于支管侧壁厚,环槽的上端面与支管外壁将“O”形胶圈压紧,从而达到防止漏水的目的。本实用新型的优点是:
(1)与支管连接时,不要铁丝綑绑。
(2)“O”形胶圈对材质和制造工艺要求都较低。
(3)安装过程中,在插入支管孔眼时,不会发生将胶圈搓入支管内的危险。
(4)插入支管内的深度较浅,管壁糙率相对较低,提高了支管的输水能力。
(5)安装的速度和质量都得到提高。
(6)造价较低。
以下结合附图,作进一步阐述:所附剖面图中①支管;②侧插式旁通器;③单侧“O”形止水胶圈。毛管连接在旁通器上端带有齿槛的突出部分,图中没有绘出。上图(A)表示旁通器尚未插入支管状态。将旁通器下端锥底对准支管侧壁孔眼,加垂直压力将其压入。下图(B)是旁通器已经装妥就位状态。“O”形止水胶圈因受挤压而起到密封止水的作用。

Claims (1)

  1. 用于滴灌系统中连接支管和毛管的侧插式旁通器。其特征在于旁通器使用的是装在支管外壁的单侧“0”形止水胶圈。
CN 87205518 1987-11-30 1987-11-30 侧插式旁通器 Withdrawn CN2031055U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 87205518 CN2031055U (zh) 1987-11-30 1987-11-30 侧插式旁通器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 87205518 CN2031055U (zh) 1987-11-30 1987-11-30 侧插式旁通器

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CN2031055U true CN2031055U (zh) 1989-01-18

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CN 87205518 Withdrawn CN2031055U (zh) 1987-11-30 1987-11-30 侧插式旁通器

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CN (1) CN2031055U (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019174300A1 (zh) * 2018-03-13 2019-09-19 上海麦驼科技发展有限公司 一种管式过滤膜装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019174300A1 (zh) * 2018-03-13 2019-09-19 上海麦驼科技发展有限公司 一种管式过滤膜装置

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