CN101344192A - Water-blocking device used for pipe - Google Patents
Water-blocking device used for pipe Download PDFInfo
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- CN101344192A CN101344192A CNA2008102146360A CN200810214636A CN101344192A CN 101344192 A CN101344192 A CN 101344192A CN A2008102146360 A CNA2008102146360 A CN A2008102146360A CN 200810214636 A CN200810214636 A CN 200810214636A CN 101344192 A CN101344192 A CN 101344192A
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- ring
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- gland nut
- pipeline
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Abstract
The invention discloses a sealing device used in pipelines, which comprises an O-shaped sealing ring (4), a circular ring-shaped compression nut (2), and a circular ring-shaped base (3); the base (3), the O-shaped sealing ring (4) and the compression nut (2) are sheathed on a pipeline (1) in sequence; the sealing device is characterized in that the O-shaped sealing ring (4) is arranged on a ring-shaped convex ring (33) of a base internal cavity (35); the base (3) passes through the internal thread (34) above the ring-shaped convex ring (33) and is then connected with the external thread (22) of the compression nut (2) by the thread; the internal periphery wall of the O-shaped sealing ring (4) clings to the external periphery wall of the pipeline (1); and the lower end part of the compression nut (2) leans against the O-shaped sealing ring (4) tightly. The sealing device has the advantages that the O-shaped sealing ring is extruded by tightly screwing the compression nut and expanded towards the periphery by the enough extrusion force which is caused by the fastening of the thread, thus enabling the periphery of the O-shaped sealing ring to cling to the external periphery wall of the pipeline and the sealing ring bottom in the base tightly so as to obtain good sealing (namely leakage stopping) effect; in addition, the O-shaped sealing ring has small volume, and can be only made of rubber; the manufacturing is simple and the cost is low.
Description
Technical field
The present invention relates to a kind of water cut-off device that pipeline passes through concrete floor slab that is used for.
Background technique
Because plastic tube is widely used in the used in construction drainage pipe, at present leaking of waste pipe outer wall and concrete building board interface is a great problem in the construction, locate at toilet within kiln, water closet, floor drain etc. especially, because the expansion and contraction of tubing and concrete inconsistent itself, the gap appears in pipe outer wall and concrete interface, causes seepage herein.Suitable trouble is reprocessed at these positions again in coming into operation, and seepage to occur quite general at these positions, has become a kind of common fault.
Existing a kind of patent No. is 200720200186.0 and is called that the Chinese utility model patent of " the building water supply and drainage pipeline is crossed the building conduit " has proposed a kind of structure, its structure includes: the conduit soffit formwork, be used to seal floor preformed hole one end, allow concrete casting be filled in around the conduit on conduit soffit formwork top; Conduit is used for supporting and connecting duct soffit formwork and hermetic seal assembly, allows pipe fitting have reasonable clearance to pass through conduit in the fixing floor; The hermetic seal assembly is used for the gap between sealing duct and the pipe fitting, makes water not flow to underfloor along pipe fitting; Wherein, the conduit soffit formwork is fixed on the conduit bottom, the hermetic seal assembly is located at the conduit top, when conduit is installed, the conduit soffit formwork is close to floor, floor preformed hole bottom is sealed, and the hermetic seal ring of hermetic seal assembly can play the effect of A/C, grouting sealing in preformed hole top duct peripheral clearance.But its shortcoming is, the hermetic seal ring is the inwall plane compressing hermetic seal ring by the water stop ring end cap, so that impels between hermetic seal ring and the pipeline and closely cooperate, and the intensity of in fact this cooperation is not enough, is difficult to the stagnant water effect that reaches good; Also have sealing water stop ring volume big, its middle part is provided with cavity, and it is many not only to make raw material, and makes also ten minutes trouble, so its structure awaits to improve.
Summary of the invention
Technical problem to be solved by this invention be provide at above-mentioned prior art present situation a kind of construct flexible, fabricating cost is low and stagnant water effect is good is used for water cut-off device on the pipeline.
The present invention solves the problems of the technologies described above the technological scheme that is adopted: this is used for the water cut-off device on the pipeline, include O-ring seals, the gland nut of ring and the base of ring, described base, O-ring seals and gland nut are placed on the pipeline successively, it is characterized in that: described O-ring seals is arranged on the annular convex ring of base intracavity, and base is threaded togather mutually by the internal thread of annular convex ring top and the outside thread of gland nut, the inner circle wall of O-ring seals and pipeline periphery wall are close together, and the underpart of gland nut and O-ring seals hold out against together.
As improvement, the place of holding out against between described O-ring seals and the gland nut lower end also can be provided with the ring washer with O-ring seals downward projection homomorphosis.
Improve, the peripheral extensible ring wing ring that has in its upper end portion of described base, the upper surface of visiting ring wing ring are provided with to be convenient to give the toroidal cavity that closes with concrete again.
Improve, its upper end portion periphery of described gland nut is extended with the ring chimb again, be provided with in the sidepiece compartment of terrain of this ring chimb be convenient to turn the gland nut left rotation and right rotation anti-skidding breach.
Compared with prior art, water cut-off device of the present invention adopts packing ring, the O-ring seals of the gland nut that includes ring and ring, the base of ring.Described base, O-ring seals and gland nut etc. are placed in the pipeline successively.Described O-ring seals is arranged on the packing holder of base intracavity, and the outside thread of base by internal thread and gland nut interconnect and push the O RunddichtringO, and the periphery of O-ring seals and the packing holder in pipeline periphery wall and the base are close together.The invention has the advantages that: O-ring seals is to push O-ring seals by tightening gland nut, along with producing enough extruding forces, screwing of screw thread impel O-ring seals to dilate to periphery, the periphery of O-ring seals and the periphery wall of pipeline and the packing holder in the base are closely sticked together, thereby reach good sealing (being leak-stopping) effect; Also have, the O-ring seals volume is little, as long as make with rubber, makes simply, and cost is low.Whole water cut-off device volume is little, and can make the specification that adapts to various pipes; Water cut-off device can also be positioned on the required sealing station of pipeline easily, be convenient to follow-up cast concrete.Install quite flexible.Also have, O-ring seals is durable in use, has better elastic and telescopic action.O-ring seals after compression can compensate expanding with heat and contract with cold of waste pipe automatically, thereby plays good sealing effect.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Fig. 2 is the exploded view of water cut-off device among Fig. 1;
Fig. 3 is that Fig. 2 is placed on ducted STRUCTURE DECOMPOSITION figure;
Fig. 4 is the plan view of the solid nut of spiral shell among Fig. 1;
Fig. 5 is the worm's eye view of Fig. 4.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Extremely shown in Figure 5 as Fig. 1, present embodiment be used for water cut-off device on the pipeline, include O-ring seals 4, the gland nut 2 of ring and the base 3 of ring, described base 3, O-ring seals 4 and gland nut 2 are placed on the pipeline 1 successively, described O-ring seals 4 is arranged on the annular convex ring 33 of base intracavity 35, and base 3 is threaded togather mutually by the internal thread 34 of annular convex ring 33 tops and the outside thread 22 of gland nut 2, the inner circle wall of O-ring seals 4 and pipeline 1 periphery wall are close together, and the underpart of gland nut 2 and O-ring seals 4 hold out against together.And the place of holding out against between O-ring seals 4 and gland nut 2 lower ends is provided with the ring washer 5 with O-ring seals 4 downward projection homomorphosis.Be extended with ring wing ring 31 at the upper end portion of base 3 periphery, and be provided with at the upper surface of this ring wing ring 31 and be convenient to give the toroidal cavity 32 that closes with concrete.And also be extended with ring chimb 21 at the upper end portion of gland nut 2 periphery, and be provided with in the sidepiece compartment of terrain of ring chimb 21 be convenient to turn gland nut 2 left rotation and right rotation anti-skidding breach 23.
Below the present invention is elaborated:
Water cut-off device can stop above-mentioned water leakage phenomenon effectively, and easy construction saves time; The principle of this water cut-off device effect is, by gland nut pipeline outer wall is close in O-ring seals compressing distortion, O-ring seals is that rubber is made, therefore O-ring seals has flexible and high resilience, life-span is long, can compensate the coefficient of thermal expansion and contraction of waste pipe automatically, play in the device that blocks water and the resistance effect of pipeline enclosure.On the anti-hydrofoil ring of the ring of base, be provided with several roads groove in addition, and the concavo-convex curve that the anti-hydrofoil interannular of gland nut top and base forms can increase concrete bond area, further make concrete bonding closely, stop water from the water cut-off device outer wall creep by, play complete resistance effect.
The water cut-off device volume is little, highly only about 4cm, can do all size, convenient and flexible installation.Be installed in the middle of concrete floor slab 6 thickness, the thickness of general concrete floor slab 6 is about 10cm, also have 6cm left and right thickness concrete can directly water the outside of smashing, play the sealing and the reinforcement effect of waste pipe, do not hinder the mounting point of fire-protection ring again at water cut-off device waste pipe up and down.
Water cut-off device is made up of gland nut, ring washer, O shape rubber seal, base.Nut is to play the effect that O shape rubber seal closely contacts itself and waste pipe that compresses with base, and ring washer is that the distortion of O shape rubber seal is twisted off.
The water cut-off device convenient and flexible installation, earlier good during installation, and carry out mark tube length amount to be installed, make water cut-off device place the centre of slab thickness or be lower than the neutral position; During installation water cut-off device is broken, be inserted in pipe to be installed in order respectively, rubber o-ring, ring washer are pressed in the packing holder of base, screw gland nut and get final product, reduced and filled out envelope water tight packing operation in the mark place.To be installed finishing held in the palm the hole to be provided base plate, cleans foreign material and waters pun with pea gravel concreten.
The material of water cut-off device: gland nut, base, packing ring available metal or plastic cement, O-ring seals is to be preferably rubber.
Claims (6)
1, a kind of water cut-off device that is used on the pipeline, include O-ring seals (4), the base (3) of gland nut of ring (2) and ring, described base (3), O-ring seals (4) and gland nut (2) are placed on the pipeline (1) successively, it is characterized in that: described O-ring seals (4) is arranged on the annular convex ring (33) of base intracavity (35), and base (3) is threaded togather mutually by the internal thread (34) of annular convex ring (33) top and the outside thread (22) of gland nut (2), the inner circle wall of O-ring seals (4) and pipeline (1) periphery wall are close together, and the underpart of gland nut (2) and O-ring seals (4) hold out against together.
2, water cut-off device according to claim 1 is characterized in that: the place of holding out against between described O-ring seals (4) and gland nut (2) lower end is provided with the ring washer (5) with O-ring seals (4) downward projection homomorphosis.
3, water cut-off device according to claim 1 and 2 is characterized in that: its upper end portion periphery of described base (3) is extended with ring wing ring (31).
4, water cut-off device according to claim 3 is characterized in that: the upper surface of described ring wing ring (31) is provided with to be convenient to give the toroidal cavity (32) that closes with concrete.
5, water cut-off device according to claim 1 and 2 is characterized in that: its upper end portion periphery of described gland nut (2) is extended with ring chimb (21).
6, water cut-off device according to claim 5 is characterized in that: the sidepiece compartment of terrain of described ring chimb (21) be provided be convenient to turn gland nut (2) left rotation and right rotation anti-skidding breach (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102146360A CN101344192A (en) | 2008-06-19 | 2008-08-25 | Water-blocking device used for pipe |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810063580.3 | 2008-06-19 | ||
| CN200810063580 | 2008-06-19 | ||
| CNA2008102146360A CN101344192A (en) | 2008-06-19 | 2008-08-25 | Water-blocking device used for pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101344192A true CN101344192A (en) | 2009-01-14 |
Family
ID=40246253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102146360A Pending CN101344192A (en) | 2008-06-19 | 2008-08-25 | Water-blocking device used for pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101344192A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374342A (en) * | 2011-01-06 | 2012-03-14 | 许智峰 | Waterproof coating method for floor joint |
| CN108894795A (en) * | 2018-07-14 | 2018-11-27 | 中铁二院工程集团有限责任公司 | Water pressure monitoring device is safeguarded for Karst Tunnel difference lining thickness |
| CN111238596A (en) * | 2020-03-13 | 2020-06-05 | 宁波启源智能仪表有限公司 | Intelligent water meter capable of preventing magnetic interference |
| CN114857366A (en) * | 2022-03-22 | 2022-08-05 | 深圳市隆金达实业有限公司 | Through-floor pipeline plugging structure and construction method thereof |
-
2008
- 2008-08-25 CN CNA2008102146360A patent/CN101344192A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374342A (en) * | 2011-01-06 | 2012-03-14 | 许智峰 | Waterproof coating method for floor joint |
| CN102374342B (en) * | 2011-01-06 | 2013-06-05 | 许智峰 | Waterproof coating method for floor joint |
| CN108894795A (en) * | 2018-07-14 | 2018-11-27 | 中铁二院工程集团有限责任公司 | Water pressure monitoring device is safeguarded for Karst Tunnel difference lining thickness |
| CN111238596A (en) * | 2020-03-13 | 2020-06-05 | 宁波启源智能仪表有限公司 | Intelligent water meter capable of preventing magnetic interference |
| CN114857366A (en) * | 2022-03-22 | 2022-08-05 | 深圳市隆金达实业有限公司 | Through-floor pipeline plugging structure and construction method thereof |
| CN114857366B (en) * | 2022-03-22 | 2023-09-08 | 深圳市隆金达实业有限公司 | Floor penetrating pipeline plugging structure and construction method thereof |
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Open date: 20090114 |