WO2015058412A1 - 一种排水管预埋装置 - Google Patents

一种排水管预埋装置 Download PDF

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Publication number
WO2015058412A1
WO2015058412A1 PCT/CN2013/085982 CN2013085982W WO2015058412A1 WO 2015058412 A1 WO2015058412 A1 WO 2015058412A1 CN 2013085982 W CN2013085982 W CN 2013085982W WO 2015058412 A1 WO2015058412 A1 WO 2015058412A1
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WIPO (PCT)
Prior art keywords
wheel
drain pipe
ring
arc
buried seat
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PCT/CN2013/085982
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English (en)
French (fr)
Inventor
丁玲
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丁玲
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Application filed by 丁玲 filed Critical 丁玲
Priority to PCT/CN2013/085982 priority Critical patent/WO2015058412A1/zh
Publication of WO2015058412A1 publication Critical patent/WO2015058412A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/0407—Floor drains for indoor use
    • E03F5/0409—Devices for preventing seepage around the floor drain
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F2005/0412—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with means for adjusting their position with respect to the surrounding surface
    • E03F2005/0414—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with means for adjusting their position with respect to the surrounding surface for inclination adjustment
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F2005/0412—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with means for adjusting their position with respect to the surrounding surface
    • E03F2005/0415—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with means for adjusting their position with respect to the surrounding surface for horizontal position adjustment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
    • F16L5/02—Sealing
    • F16L5/025—Sealing the pipe being movable

Definitions

  • the utility model belongs to the technical field of industrial and civil construction, and particularly relates to a drainage pipe embedded device.
  • the traditional construction method is to pre-bury a pre-buried seat of the corresponding outer diameter of the drain pipe in the hole position (traditional The embedded seat is a steel pipe, the inner diameter of which is slightly larger than the drainage pipe and the height is slightly higher than the thickness of the concrete floor slab.
  • traditional The embedded seat is a steel pipe, the inner diameter of which is slightly larger than the drainage pipe and the height is slightly higher than the thickness of the concrete floor slab.
  • the disadvantage is that the metal in contact with the concrete is corroded and leaks, and the leakage prevention process of the outer wall of the drainage pipe is complicated and the effect is not effective. Stable, resulting in extremely time-consuming and laborious rework rates in practice.
  • the gap between the inner wall of the pre-buried seat and the drain pipe is uneven, and there is a vertical angle deviation and a horizontal center deviation between the pre-buried seat and the drain pipe. It is difficult to seal between the inner wall of the pre-buried seat and the outer wall of the drain pipe.
  • the drain pipe is designed according to the national standard. However, due to the pipe diameter deviation (about 1mm) of the products of different manufacturers, the sealing cap assembly between the existing inner wall of the pre-buried seat and the outer wall of the drain pipe is difficult to be biased or smaller. Drain pipe
  • the object of the present invention is to provide a water-tight sealing effect capable of forming a strong seal with concrete, and at the same time, can well seal the drain pipe and the drain pipe of the inner wall of the embedded seat. Embedded device.
  • a drain pipe embedding device includes a pre-buried seat and a water sealing cover assembly disposed at an end of the pre-buried seat, the water sealing cap assembly being composed of inner wheels and a sandwich wheel that can be paired with each other; the inner wheel and the sandwich
  • the wheels are all annular bodies, and the inner ring and the outer ring of the inner wheel and the sandwich wheel are arranged differently, and the inner ring of the inner wheel and the outer ring of the sandwich wheel are spherical ring faces and are matched with each other, and the sandwich wheel It is formed by connecting a first circular arc wheel and a second circular arc wheel.
  • the matching surfaces of the first end of the first circular wheel and the first end of the second circular wheel are mutually inclined, and when the first circular wheel is axially externally directed toward the interior of the embedded seat, the inclined surface I is simultaneously rotated axially ,
  • the trailing end of the first circular wheel and the trailing end of the second circular wheel are inclined faces II or curved faces that coincide with each other.
  • the arc corresponding to the first circular arc is a poor arc
  • the arc corresponding to the second circular arc is a superior arc
  • a flange is formed on a circumferential side of the lower portion of the pre-buried seat, and a plurality of staple mounting holes are disposed on a circumferential side of the flange, and the upper end surface of the flange is provided with more than one cement settling tank, the cement The settling trough is two lanes, and both are disposed coaxially with the pre-buried seat, and the height of the inner cement settling trough is greater than the height of the outer cement settling trough.
  • the peripheral side of the pre-buried seat is radially arranged with a plurality of wings,
  • the design of the wing strip allows the pre-buried seat to have the required strength and cost reduction (by reducing the wall thickness by adding a wing strip).
  • the pre-buried seat is a circular ring body that penetrates up and down, and a set of water sealing cover assemblies are respectively disposed on the top and the bottom of the pre-buried seat.
  • the outer end of the inner wheel is provided with a retaining ring that prevents the inner wheel from completely entering the pre-buried seat, and the outer end of the inner ring of the pre-buried seat is provided with a slope or step that cooperates with the retaining ring.
  • pre-buried seat and the water-sealing cover assembly are all made of plastic parts.
  • the utility model can effectively avoid the problem that the deviation of the vertical angle and the center degree between the embedded seat and the drainage pipe and the deviation of the diameter of the drainage pipe produced by different manufacturers cause the dense sealing effect, and the utility model has the environmental protection and the prevention Corrosion, anti-leakage, easy operation and low cost;
  • the sandwich wheel of the utility model is formed by connecting the first circular arc wheel and the second circular arc wheel.
  • the design makes the diameter of the drainage pipe have a certain deviation (the diameter of the drainage pipe is the national standard, but the products of different manufacturers exist about 1mm pipe diameter deviation) can also be adapted and achieve better sealing effect;
  • the design of the cement settling tank of the pre-buried seat of the utility model greatly enhances the sealing force of the pre-buried seat and the concrete, so that a strong water-tight sealing effect is formed between the pre-buried seat and the concrete; Radially arranged wing strips, this design enables the pre-buried seat to have the required strength and cost while achieving the cost;
  • the pre-buried seat and the water-sealing cover assembly of the utility model are plastic parts, and have the functions of corrosion resistance and anti-aging.
  • Figure 1 is a schematic view of the assembly of the present invention.
  • Figure 2 is an exploded view of the utility model.
  • Figure 3 is a schematic view showing the structure of the pre-buried seat of the present invention.
  • Figure 4 is a plan view of the inner wheel of the present invention.
  • Figure 5 is a perspective view of the inner wheel of the present invention.
  • Figure 6 is an exploded view of the center wheel of the present invention.
  • Fig. 7 is a perspective view showing the assembled state of the center-of-charge wheel of the present invention.
  • a drain pipe embedding device includes a pre-buried seat 2 and a water sealing cover assembly disposed at an end of the pre-buried seat 2, the water sealing cover assembly being matched by inner wheels 3 And the sandwich wheel 4; the inner wheel 3 and the sandwich wheel 4 are both annular bodies, and the inner ring and the outer ring of the inner wheel 3 and the center wheel 4 are disposed differently, and the inner ring 32 and the inner ring of the inner wheel 3
  • the outer rings 43 of the wheel 4 are all spherical and coincide with each other.
  • the centrality deviation between the pre-buried seat 2 and the drain pipe 1 can be adjusted by horizontally rotating the sandwich wheel 4, and the vertical angular deviation between the pre-buried seat 2 and the drain pipe 1 is adjusted by swinging the sandwich wheel 4, the sandwich The wheel 4 is connected by the first circular arc wheel 42 and the second circular arc wheel 41.
  • This design makes the pipe diameter of the drain pipe 1 have a certain deviation (the pipe diameter of the drain pipe 1 is the national standard, but the products of different manufacturers exist about 1mm tube diameter deviation) can also be adapted and achieve a good sealing effect, the outer ring 31 of the inner wheel 3 and the inner ring 44 of the center wheel 4 are round Surface.
  • the mating faces (411, 421) of the first end of the first circular arc wheel 42 and the first end of the second circular arc wheel 41 are such that when the first circular arc is axially externally directed toward the interior of the embedded seat 2, The bevel I of the axial rotation at the same time, The trailing end of the first circular wheel and the trailing end of the second circular wheel are inclined faces II or curved faces (412, 422) that coincide with each other.
  • the arc corresponding to the first circular arc wheel 42 is a poor arc
  • the arc corresponding to the second circular arc wheel 41 is a superior arc.
  • the angle corresponding to the second circular arc 42 accounts for a full circle. Three-quarters of the first circular wheel 42 corresponds to an angle of about a quarter of the full circle.
  • a flange 25 is formed on a circumferential side of the lower portion of the pre-buried seat 2, and a plurality of staple mounting holes are disposed on a circumferential side of the flange 25.
  • the upper end surface of the flange 25 is provided with more than one cement settling tank. (21, 22), the cement settling tank is two channels, and both are disposed coaxially with the pre-buried seat 2, and the height of the inner cement settling tank 21 is greater than the height of the outer cement settling tank 25, and the design of the cement settling tank
  • the sealing force of the embedded seat 2 and the concrete is greatly enhanced, so that the embedded seat 2 and the concrete form a firm water sealing effect.
  • a plurality of fins 24 are radially arranged on the circumferential side of the pre-buried seat 2, and the design enables the pre-buried seat to have the required strength and cost reduction (by adding winglets) Reducing the wall thickness) also increases the contact area between the pre-buried seat 2 and the concrete, making the installation more stable.
  • the pre-buried seat 2 is a circular ring body that penetrates up and down, and a set of water sealing cover assemblies are respectively arranged on the top and the bottom of the pre-buried seat 2 (in general industrial and civil buildings, only at the lower end of the pre-buried seat 2)
  • a set of sealing cover assemblies can be provided in the department, and in some places where there is a specific need for sealing, a set of sealing cover assemblies can be added to the upper end of the pre-buried seat.
  • the outer end of the inner wheel is provided with a retaining ring 23 for preventing the inner wheel from completely entering the pre-buried seat 2, and the outer end of the inner ring of the pre-buried seat 2 is provided with a slope that cooperates with the retaining ring Or steps.
  • pre-buried seat 2 and the water-sealing cover assembly are all made of plastic parts.
  • the pre-buried seat 2 and the water sealing cover assembly of the utility model are plastic parts, and have the functions of corrosion resistance and anti-aging.
  • pre-buried seat First install the pre-buried seat, pass the nail through the nail mounting hole and fix the pre-buried seat 2 on the concrete formwork, so that the embedded seat will not be easily displaced when the concrete is poured, and the template will be removed after the concrete is solidified.
  • the pre-buried seat 2 is firmly poured in the concrete floor.
  • Install the drain pipe and the water sealing cover assembly In the process of installing the drain pipe, first install the inner wheel 3 in the drain pipe 1, and then pass the drain pipe through the interior of the pre-buried seat and perform related installation.
  • the inner wall diameter of the seat is larger than the diameter of the drain pipe, and a gap is formed between the two; then the inner wheel is adhered to the upper end of the embedded seat by using PVC glue, and when the bond is made, the inner wheel can be rotated to make it in a proper position.
  • the second circular wheel 41 of the sandwich wheel is used by using PVC glue.
  • the first circular arc wheel 42 is glued to the drain pipe in succession, and the inner ring and the outer ring of the inner ring of the inner ring and the outer ring of the inner ring of the sandwich wheel are designed by the inner ring and the outer ring of the inner center of the sandwich wheel, and the second ring is firstly combined.
  • the inner ring and the outer ring of the circular arc wheel 41 are respectively bonded to the outer wall of the drain pipe 1 and the inner ring of the inner ring, and then the first circular arc wheel 42 is forcefully pressed between the drain pipe and the inner ring inner ring, the first circular wheel 42 and the second circular wheel 41 will naturally leave all the reserved space in the direction of the gap Bridging, the inner and outer rings of the inner wheel and the sandwich wheel are coated with PVC glue, and another water cap assembly is installed at the lower end of the pre-buried seat. (Normally, only the sealing cover assembly is provided at the lower end of the pre-buried seat. A better sealing effect can be obtained).

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

一种排水管预埋装置，包括预埋座（2）和设置在预埋座（2）端部的封水盖组件，所述封水盖组件由可相互配对的内轮（3）和夹心轮（4）组成；所述内轮（3）和夹心轮（4）均为环形体，且内轮（3）和夹心轮（4）的内圈（32）和外圈（43）均不同心设置，所述内轮（3）的内圈（32）和夹心轮（4）的外圈（43）均为球环面，并互相吻合，所述夹心轮（4）由第一圆弧轮（42）和第二圆弧轮（41）连接而成；该排水管预埋装置能有效地避免因预埋座与排水管之间垂直角度和中心度的偏差，以及不同厂家生产的排水管直径的偏差而造成密实封闭效果差的问题。

Description

一种排水管预埋装置
技术领域
本实用新型属于工业及民用建筑技术领域，具体涉及一种排水管预埋装置。
背景技术
所有工业及民用建筑的每层楼房在建造过程中必然要预先留出安装排水管的位置，传统的施工方式是在孔位上预先埋上一段相应排水管外径尺寸的预埋座（传统的预埋座为钢管，其内径略大于排水管、高度略高于混凝土楼板厚度)，但其缺点在于与混凝土接触部分的金属易腐蚀渗漏、与排水管外壁的空隙防漏工艺复杂且效果不稳定，从而导致实践施工中费时费力返工率极高。
由于预埋座设置的方向不一定是标准竖直的，所以预埋座内壁与排水管之间的空隙便不均匀，预埋座和排水管之间存在垂直角度的偏差和水平中心偏差，这造成预埋座内壁与排水管外壁之间的密封困难。排水管按国标设计，但是，由于不同厂家的产品存在管径偏差（约为1mm），故，现有的预埋座内壁与排水管外壁之间的封水盖组件难以偏差较大或较小的排水管；
故市场上急需出现一种具有能与混泥土形成牢固的止水密封防腐蚀作用，具有环保、低成本、工艺简单的优点，适应市场消费需求的排水管预埋装置。
发明内容
为了克服现有技术中存在的上述不足之处，本实用新型的目的在于提供一种能与混泥土形成牢固的止水密封效果，同时能很好的密封排水管和预埋座内壁的排水管预埋装置。
为了达到上述之目的，本实用新型采用如下具体技术方案：
一种排水管预埋装置，包括预埋座和设置在预埋座端部的封水盖组件，所述封水盖组件由可相互配对的内轮和夹心轮组成；所述内轮和夹心轮均为环形体，且内轮和夹心轮的内圈和外圈均不同心设置，所述内轮的内圈和夹心轮的外圈均为球环面，并互相吻合，所述夹心轮由第一圆弧轮和第二圆弧轮连接而成。
进一步，第一圆弧轮首端和第二圆弧轮首端的互相吻合的配合面是，当第一圆弧轮被轴向外力趋向预埋座内部时，使其同时轴向转动的斜面Ⅰ, 第一圆弧轮的尾端和第二圆弧轮的尾端为互相吻合的斜面Ⅱ或弧面。
进一步，所述第一圆弧轮对应的圆弧为劣弧，第二圆弧轮对应的圆弧为优弧。
进一步，所述预埋座下部的周侧成型有法兰，法兰的周侧设置有若干个卡钉安装孔，所述法兰的上端面环设有一道以上的水泥沉降槽，所述水泥沉降槽为两道，并均与预埋座同轴线设置，内侧的水泥沉降槽的高度大于外侧的水泥沉降槽的高度。
进一步，所述预埋座的周侧呈放射状布置有若干个翼条, 翼条的设计使得预埋座能够兼顾成本的情况下，拥有符合要求的强度，降低了成本（通过增加翼条来减小壁厚）。
进一步，所述预埋座为上下贯通的圆环体，预埋座的顶部和底部分别套设一组封水盖组件。
进一步，所述内轮的外端部设置有阻止内轮完全进入预埋座内的挡环，所述预埋座的内圈的外端部设置有与所述挡环配合的斜坡或台阶。
进一步，预埋座、封水盖组件均为塑料制件。
与现有的技术相比，本实用新型具有以下突出优点和效果：
本实用新型能有效地避免因预埋座与排水管之间垂直角度和中心度的偏差，以及不同厂家生产的排水管直径的偏差而造成密实封闭效果差的问题，本实用新型具有环保、防腐蚀、防渗漏、操作简便、成本低的优点；
本实用新型的夹心轮由第一圆弧轮和第二圆弧轮连接而成，该设计使得排水管的管径存在一定偏差时（排水管的管径为国标，但不同厂家的产品存在约1mm的管径偏差），也能适合并取得较好的密封效果；
本实用新型的预埋座的水泥沉降槽的设计大大增强了本预埋座与混泥土的封闭力，使得本预埋座与混泥土间形成牢固的止水密封作用；预埋座周侧呈放射状布置的翼条，该设计使得预埋座能够兼顾成本的情况下，拥有符合要求的强度，降低了成本；
本实用新型的预埋座和封水盖组件为塑料制件，具有耐腐蚀和抗老化的作用。
附图说明
图1为本实用新型的装配示意图。
图2为本实用新型的部件分解图。
图3为本实用新型的预埋座的结构简图。
图4为本实用新型的内轮的俯视图。
图5为本实用新型的内轮的立体图。
图6为本实用新型的夹心轮的分解图。
图7为本实用新型的夹心轮的组合状态立体图。
具体实施方式
如图1—7所示，一种排水管预埋装置，包括预埋座2和设置在预埋座2端部的封水盖组件，所述封水盖组件由可相互配对的内轮3和夹心轮4组成；所述内轮3和夹心轮4均为环形体，且内轮3和夹心轮4的内圈和外圈均不同心设置，所述内轮3的内圈32和夹心轮4的外圈43均为球环面，并互相吻合，该设计能有效地避免因预埋座2与排水管1之间的垂直角度偏差而造成无法密实封闭的问题，如图1所示，可以通过水平转动夹心轮4来调整预埋座2与排水管1之间的中心度偏差，通过摆动夹心轮4来调整预埋座2与排水管1之间的垂直角度偏差，所述夹心轮4由第一圆弧轮42和第二圆弧轮41连接而成,该设计使得排水管1的管径存在一定偏差时（排水管1的管径为国标，但不同厂家的产品存在约1mm的管径偏差），也能适合并取得较好的密封效果，内轮3的外圈31和夹心轮4的内圈44均为圆柱面。
进一步，第一圆弧轮42首端和第二圆弧轮41首端的互相吻合的配合面（411，421）是，当第一圆弧轮被轴向外力趋向预埋座2内部时，使其同时轴向转动的斜面Ⅰ, 第一圆弧轮的尾端和第二圆弧轮的尾端为互相吻合的斜面Ⅱ或弧面（412,422）。
进一步，所述第一圆弧轮42对应的圆弧为劣弧，第二圆弧轮41对应的圆弧为优弧(本实施例中，第二圆弧轮42对应的角度约占整圆的四分之三，第一圆弧轮42对应的角度约占整圆的四分之一)。
进一步，所述预埋座2下部的周侧成型有法兰25，法兰25的周侧设置有若干个卡钉安装孔，所述法兰25的上端面环设有一道以上的水泥沉降槽（21，22），所述水泥沉降槽为两道，并均与预埋座2同轴线设置，内侧的水泥沉降槽21的高度大于外侧的水泥沉降槽25的高度，水泥沉降槽的设计大大增强了本预埋座2与混泥土的封闭力，使得本预埋座2与混泥土间形成牢固的止水密封作用。
进一步，所述预埋座2的周侧呈放射状布置有若干个翼条24，，该设计使得预埋座能够兼顾成本的情况下，拥有符合要求的强度，降低了成本（通过增加翼条来减小壁厚），也使得预埋座2与混泥土的接触面积略增，使安装更稳固。
进一步，所述预埋座2为上下贯通的圆环体，预埋座2的顶部和底部分别套设一组封水盖组件（一般的工业及民用建筑中，只需在预埋座2下端部设置一组封水盖组件即可，在一些对密封有特定需求的场所，可以再预埋座的上端部加设一组封水盖组件）。
进一步，所述内轮的外端部设置有阻止内轮完全进入预埋座2内的挡环23，所述预埋座2的内圈的外端部设置有与所述挡环配合的斜坡或台阶。
进一步，预埋座2、封水盖组件均为塑料制件。
本实用新型的预埋座2和封水盖组件为塑料制件，具有耐腐蚀和抗老化的作用。
本实用新型的使用方式：
先安装预埋座，将钉子穿过卡钉安装孔并将预埋座2固定在混泥土模板上，从而使混泥土浇筑时，预埋座不会轻易移位，等混泥土凝固后拆除模板，预埋座2就牢固的浇筑在混泥土楼板中。
再安装排水管和封水盖组件，在安装排水管施工过程中，先将内轮3套于排水管1中，再将排水管穿过预埋座的内部并进行相关的安装，因预埋座内壁直径大于排水管直径，两者之间形成一定距离的空隙；接着用PVC胶水将内轮粘在预埋座的上端，在粘结的时候，可转动内轮，使其处于合适的位置以减少内轮内圈和排水管外壁的空隙，此时内轮内圈与排水管空隙尚存一定的水平偏心差距和垂直角度差距，再利用PVC胶水将夹心轮的第二圆弧轮41和第一圆弧轮42先后与排水管相粘结合，利用夹心轮不同心的内圈和外圈，内轮内圈和夹心轮外圈的球环面设计，相粘结合时，先将第二圆弧轮41的内圈和外圈分别与排水管1外壁和内轮内圈粘合，再将第一圆弧轮42用力压入排水管和内轮内圈之间，第一圆弧轮42和第二圆弧轮41就会自然的顺着空隙的方向将全部预留的空隙弥合，内轮和夹心轮内外圈均涂有PVC胶水，依同理在预埋座的下端安装另一封水盖组件（通常情况下，只需在预埋座的下端设置封水盖组件即可取得较佳的密封效果）。
最后应说明的是：以上实施例仅用以说明本实用新型的技术方案而非限制，尽管参照较佳实施例对本实用新型进行了详细说明，本领域的普通技术人员应当理解，可以对本实用新型的技术方案进行修改或者等同替换，而不脱离本实用新型技术方案的精神和范围，其均应涵盖在本实用新型的权利要求范围当中。

Claims (8)

  1. 一种排水管预埋装置，包括预埋座和设置在预埋座端部的封水盖组件，其特征在于：所述封水盖组件由可相互配对的内轮和夹心轮组成；所述内轮和夹心轮均为环形体，且内轮和夹心轮的内圈和外圈均不同心设置，所述内轮的内圈和夹心轮的外圈均为球环面，并互相吻合，所述夹心轮由第一圆弧轮和第二圆弧轮连接而成。
  2. 根据权利要求1所述的一种排水管预埋装置,其特征在于：第一圆弧轮首端和第二圆弧轮首端的互相吻合的配合面是，当第一圆弧轮被轴向外力趋向预埋座内部时，使其同时轴向转动的斜面Ⅰ, 第一圆弧轮的尾端和第二圆弧轮的尾端为互相吻合的斜面Ⅱ或弧面。
  3. 根据权利要求2所述的一种排水管预埋装置,其特征在于：所述第一圆弧轮对应的圆弧为劣弧，第二圆弧轮对应的圆弧为优弧。
  4. 根据权利要求3所述的一种排水管预埋装置，其特征在于:所述预埋座下部的周侧成型有法兰，法兰的周侧设置有若干个卡钉安装孔，所述法兰的上端面环设有一道以上的水泥沉降槽。
  5. 根据权利要求4所述的一种排水管预埋座，其特征在于:所述预埋座的周侧呈放射状布置有若干个翼条。
  6. 根据权利要求5所述的一种排水管预埋装置，其特征在于: 所述预埋座为上下贯通的圆环体，预埋座的顶部和底部分别套设一组封水盖组件。
  7. 根据权利要求6所述的一种排水管预埋装置，其特征在于:所述内轮的外端部设置有阻止内轮完全进入预埋座内的挡环，所述预埋座的内圈的外端部设置有与所述挡环配合的斜坡或台阶。
  8. 根据权利要求7所述的一种排水管预埋装置，其特征在于:预埋座、封水盖组件均为塑料制件。
PCT/CN2013/085982 2013-10-25 2013-10-25 一种排水管预埋装置 WO2015058412A1 (zh)

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CN108560681A (zh) * 2018-05-23 2018-09-21 浙江中财管道科技股份有限公司 一种新型建筑排水用预埋防漏接头

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JPH05263445A (ja) * 1992-03-18 1993-10-12 Sekisui Chem Co Ltd 建物排水装置
JP2005113416A (ja) * 2003-10-03 2005-04-28 Kojima Seisakusho:Kk 排水システム
CN203145123U (zh) * 2013-03-18 2013-08-21 丁玲 一种排水管预埋装置
CN203145122U (zh) * 2013-03-18 2013-08-21 丁玲 一种排水管预埋座

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JPH05263445A (ja) * 1992-03-18 1993-10-12 Sekisui Chem Co Ltd 建物排水装置
JP2005113416A (ja) * 2003-10-03 2005-04-28 Kojima Seisakusho:Kk 排水システム
CN203145123U (zh) * 2013-03-18 2013-08-21 丁玲 一种排水管预埋装置
CN203145122U (zh) * 2013-03-18 2013-08-21 丁玲 一种排水管预埋座

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108560681A (zh) * 2018-05-23 2018-09-21 浙江中财管道科技股份有限公司 一种新型建筑排水用预埋防漏接头

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