CN2655009Y - Internal locking sealing band for pipe - Google Patents
Internal locking sealing band for pipe Download PDFInfo
- Publication number
- CN2655009Y CN2655009Y CN 200320121835 CN200320121835U CN2655009Y CN 2655009 Y CN2655009 Y CN 2655009Y CN 200320121835 CN200320121835 CN 200320121835 CN 200320121835 U CN200320121835 U CN 200320121835U CN 2655009 Y CN2655009 Y CN 2655009Y
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- stainless steel
- sealing strip
- packing
- groove
- built
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Abstract
The utility model discloses an inside pipeline sealing device, comprising an annular seal band, a stainless steel expansion ring and a stainless steel wedge plate. An annular troughs is arranged at the two ends of the seal band inner wall for holding the stainless steel expansion ring; a protruding part is arranged at the two ends of the opening of the stainless steel expansion ring; a notch is arranged at the contrary face of the two protruding parts, and the shape of the notch is matched with the stainless steel wedge plate; the stainless steel expansion ring is fixed at the expanding place by the stainless steel wedge. The utility model is flexible treatment, the annular seal band of the utility model achieves air sealing with the pipe inner wall by the distensible force of the stainless steel expansion ring; the distensible force can be adjusted according to requirement; the device has excellent sealing performance; since the self-locking principle is adopted, the utility model can be assembled only by the help of hydraulic fixtures or other holding tools with convenient handling; the device can also be used to repair the sealing and breakage places of the interface at large diameter pipelines.
Description
Technical field
The utility model relates to a kind of seal arrangement, relates in particular to the built-in locking sealing strip of a kind of pipeline.
Background technique
At present people normally adopt the check card way of wrapping of outside to handle to the reparation of pipelines such as heavy caliber cast iron, concrete, but this method only is suitable under special circumstances pipeline being carried out rush repair to be handled, repairing quality is low, repair the rate height again, easily leak, and especially is unsuitable for the high-voltage operation pipeline is repaired.
Large diameter pipeline reparation also had a kind of method: the steel cylinder of a can regulate diameter is placed pipe interior, then with its expansion, be fixed on the deformation position by modes such as welding, slit in steel cylinder and pipeline is filled with resin or foamed polyurethane and is played seal action, but this method belongs to rigid treatment, if surface subsidence still can be leaked.And general concrete duct internal surface is all very coarse, so steel cylinder fully expansion just can make steel pipe, packing material and inner-walls of duct closely cooperate, therefore pipeline is stressed bigger, the pipe joint place is yielding, qualitative change, loss take place in packing material easily simultaneously, make seal failure, and filling process is loaded down with trivial details, inconvenience is installed.
The model utility content
The purpose of this utility model is the problem that exists at prior art, and the built-in locking sealing strip of pipeline of a kind of easy and simple to handle, good airproof performance, can regulate swelling degree is provided.
For achieving the above object, the built-in locking sealing strip of the utility model pipeline comprises stainless steel packing, the stainless steel key of annular sealing strip, can regulate diameter, the axial inner side surface at sealing strip two ends is provided with the circumferential groove that is used to lay the stainless steel packing, the opening two ends of stainless steel packing are provided with protuberance, two protuberance opposing sides are provided with draw-in groove, draw-in groove shape and stainless steel key are suitable, and the stainless steel key is fixed on the swelling position with the stainless steel packing.
Further, the protuberance at described stainless steel packing two ends is an I shape stainless steel card, and this stainless steel card one side is connected with the stainless steel packing, and opposite side forms draw-in groove.
Further, the protuberance at described stainless steel packing two ends is a T font stainless steel card, and this stainless steel card one side is connected with the stainless steel packing, and opposite side forms draw-in groove.
Further, on the protuberance at described stainless steel packing two ends or near the protuberance place, be provided with support device.
Further, the axial outer wall of described annular sealing strip is provided with a plurality of circumferential protrusion, and this projection is relative with the circumferential groove position of sealing strip inwall.
Further, leave the axial stretching surplus on the described annular sealing strip.
Further, cooperate for self-locking between described stainless steel key and the draw-in groove.
Further, the thickness of described stainless steel packing is greater than the degree of depth of draw-in groove in the O-ring seal.
Further, be equipped with stainless steel gasket between described stainless steel packing open section and the O-ring seal, this pad and stainless steel packing are wide, and length is greater than the distance between the stainless steel packing both ends of the surface.
Annular sealing strip of the present utility model is realized sealing by the tension force and the inner-walls of duct of stainless steel packing, belonging to elasticity handles, visual pipe material of tension force and seal request are regulated, pipeline is stressed evenly not yielding, and material and large size bag shoe jointings such as the rubber that annular sealing strip do as one likes energy is stable, good airproof performance is owing to adopted self-lock mechanism, so only need to install, made things convenient for operation by hydraulic chucks or other stretching instruments.
Description of drawings
Fig. 1 is the axial sectional view of the utility model annular sealing strip;
Fig. 2 is the axial section side view of the utility model annular sealing strip;
Fig. 3 is the sectional view that the utility model annular lock sealing strip cooperates with pipeline when being used for the closed conduit interface;
Fig. 4 is the utility model annular lock sealing strip cooperates cross section with pipeline a partial enlarged drawing;
Fig. 5 is the sectional view that the utility model annular lock sealing strip cooperates with pipeline and repairing sleeve when being used for pipe-repairing;
Fig. 6 is the schematic perspective view that the utility model annular lock sealing strip cooperates with pipeline;
Fig. 7 is the utility model annular lock sealing strip second embodiment's a structural representation;
Fig. 8 is the utility model annular lock sealing strip the 3rd embodiment's a structural representation;
Embodiment
Fig. 1,2 show the annular sealing strip of the utility model seal arrangement, its inwall has the circumferential groove that is used to lay the stainless steel packing near the port, the width of this circumferential groove equals or is slightly larger than the width of stainless steel packing, the degree of depth is less than the thickness of stainless steel packing, on the outer wall of annular sealing strip, be provided with and the corresponding dentation circumferential protrusion of circumferential groove, the dentation circumferential protrusion is subjected to the extruding of stainless steel packing tension force when mounted and elastic strain takes place and inner-walls of duct is close to, play good seal action, and inside circumferential bulges makes annular sealing strip have bigger pliability, when dislocation took place pipeline, O-ring seal had enough deformation surpluses and unlikely fracture.
Shown in Fig. 3,4,6, be first embodiment of the present utility model, the draw-in groove on the stainless steel packing boss extends vertically, and the lower edge at the horizontal interface of draw-in groove exceeds the internal surface of annular sealing strip, and draw-in groove shape and stainless steel key are suitable and can realize self-locking.When the pipe joint place is sealed, to make by materials such as ethylene propylene diene rubber or nitrile rubbers earlier with pipeline in through suitable annular sealing strip 1 suit with in pipeline 4 inside, make pipe joint be positioned at the neutral position of annular sealing strip 1, with instrument that sealing strip is floating, annular sealing strip 1 is contacted well with the inwall of pipeline 4, then stainless steel gasket 6 is embedded in the circular groove of sealing strip, adjust to the position that is suitable for operating, again stainless steel packing 2 is placed in the circular groove on the sealing strip, make the packing open section corresponding with stainless steel gasket, again stainless steel packing 2 usefulness Hydraulic power toolss are passed through the boss at packing two ends with its swelling, after suitable position is arrived in swelling, to clamp-on draw-in groove from the side with the suitable stainless steel key 3 of stainless steel packing opening end draw-in groove again, remove Hydraulic power tools then, stainless steel key and draw-in groove are fixed on the swelling position by self-locking with the stainless steel packing, thereby annular sealing strip is compressed, be fixed on the inner-walls of duct, the sealing strip of packing open part is compressed by pad, has guaranteed sealing.
As shown in Figure 7, the protuberance of stainless steel packing is an I shape stainless steel card 9 in the middle of second embodiment of the present utility model, this stainless steel card one side is connected by welding manner with the stainless steel packing, opposite side forms draw-in groove, pad 11 makes the stainless steel packing seamlessly transit with contacting of sealing strip, support device on the stainless steel packing is two support blocks 10 of welding, so that the swelling instrument application of forces such as hydraulic chucks, easy-to-operat.
As shown in Figure 8, the protuberance of stainless steel packing is a T font stainless steel card 7 in the middle of the 3rd embodiment of the present utility model, this stainless steel card one side is connected by welding manner with the stainless steel packing, and opposite side forms draw-in groove, is welded with two support blocks 8 near T word Ka Chu on the stainless steel packing.
As shown in Figure 5, when the piping failure place is repaired, the repairing sleeve 5 of a can regulate diameter is placed pipe interior, and with its expansion, but this sleeve needn't fully be expanded, as long as guarantee that sleeve outer wall contacts with inner-walls of duct well, can slide relative not get final product, be fixed on the expanding location by modes such as welding then, when the suit annular sealing strip, the two ends of sleeve are placed the neutral position of sealing strip, again with annular sealing strip with the stainless steel packing with the key swelling is fixing getting final product.
Claims (9)
1, the built-in locking sealing strip of a kind of pipeline, comprise annular sealing strip, swelling device, it is characterized in that: it also comprises the stainless steel key, the axial inner side surface at described annular sealing strip two ends is provided with the circumferential groove that is used to lay the stainless steel packing, described swelling device is the stainless steel packing of can regulate diameter, the opening two ends of described stainless steel packing are provided with protuberance, two protuberance opposing sides are provided with draw-in groove, draw-in groove shape and stainless steel key are suitable, and the stainless steel key is fixed on the swelling position with the stainless steel packing.
2, the built-in locking sealing strip of pipeline according to claim 1 is characterized in that: the protuberance at described stainless steel packing two ends is an I shape stainless steel card, and this stainless steel card one side is connected with the stainless steel packing, and opposite side forms draw-in groove.
3, the built-in locking sealing strip of pipeline according to claim 1 is characterized in that: the protuberance at described stainless steel packing two ends is a T font stainless steel card, and this stainless steel card one side is connected with the stainless steel packing, and opposite side forms draw-in groove.
4, the built-in locking sealing strip of pipeline according to claim 1 is characterized in that: on the protuberance at described stainless steel packing two ends or near the protuberance place, be provided with support device.
5, according to the built-in locking sealing strip of claim 1 described pipeline, it is characterized in that: there are a plurality of circumferential protrusion at described annular sealing strip outer wall two ends, and this circumferential protrusion is relative with the circular groove position at sealing strip inwall two ends.
6, the built-in locking sealing strip of pipeline according to claim 1 is characterized in that: leave the axial stretching surplus on the described annular sealing strip.
7, the built-in locking sealing strip of pipeline according to claim 1 is characterized in that: cooperate for self-locking between described stainless steel key and the draw-in groove.
8, the built-in locking sealing strip of pipeline according to claim 1, it is characterized in that: the thickness of described stainless steel packing is greater than the degree of depth of draw-in groove in the O-ring seal.
9, the built-in locking sealing strip of pipeline according to claim 1, it is characterized in that: be equipped with stainless steel gasket between described stainless steel packing open part and the O-ring seal, this pad and stainless steel packing are wide, and length is greater than the distance between the stainless steel packing both ends of the surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320121835 CN2655009Y (en) | 2003-11-27 | 2003-11-27 | Internal locking sealing band for pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320121835 CN2655009Y (en) | 2003-11-27 | 2003-11-27 | Internal locking sealing band for pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2655009Y true CN2655009Y (en) | 2004-11-10 |
Family
ID=34348434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320121835 Expired - Fee Related CN2655009Y (en) | 2003-11-27 | 2003-11-27 | Internal locking sealing band for pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2655009Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1295458C (en) * | 2004-11-26 | 2007-01-17 | 天津市水利科学研究所 | Pipeline leakage blocking device, its production and method thereof |
| CN100532746C (en) * | 2007-04-18 | 2009-08-26 | 上海龙日建设开发有限公司 | Underground sewer repairing method |
| CN102679040A (en) * | 2012-05-15 | 2012-09-19 | 上海交通大学 | Construction method for preventing reinforced concrete pipe joint from being damaged and leaking slurry in pipe-jacking construction |
| CN104132218A (en) * | 2014-07-04 | 2014-11-05 | 武汉圣禹排水***有限公司 | Lining pipeline repairing device |
| CN105442463A (en) * | 2015-12-31 | 2016-03-30 | 长安大学 | Reinforcing method of circular culvert |
| CN105822867A (en) * | 2016-05-24 | 2016-08-03 | 马鞍山宏力橡胶制品有限公司 | Internal expansion type rubber sealing ring and application thereof |
| CN107859806A (en) * | 2017-12-20 | 2018-03-30 | 北京市市政工程研究院 | A kind of embedded type pipe inside frame hardened system and its reinforcement means |
| CN109974949A (en) * | 2019-04-24 | 2019-07-05 | 美肯沃利工程技术咨询(北京)有限公司 | A kind of detection device for circular tunnel deformation joint seepage |
| CN115899441A (en) * | 2022-11-21 | 2023-04-04 | 白银有色动力有限公司 | Method for improving integral pressure bearing of stainless steel lining |
-
2003
- 2003-11-27 CN CN 200320121835 patent/CN2655009Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1295458C (en) * | 2004-11-26 | 2007-01-17 | 天津市水利科学研究所 | Pipeline leakage blocking device, its production and method thereof |
| CN100532746C (en) * | 2007-04-18 | 2009-08-26 | 上海龙日建设开发有限公司 | Underground sewer repairing method |
| CN102679040A (en) * | 2012-05-15 | 2012-09-19 | 上海交通大学 | Construction method for preventing reinforced concrete pipe joint from being damaged and leaking slurry in pipe-jacking construction |
| CN104132218A (en) * | 2014-07-04 | 2014-11-05 | 武汉圣禹排水***有限公司 | Lining pipeline repairing device |
| CN104132218B (en) * | 2014-07-04 | 2016-06-15 | 武汉圣禹排水***有限公司 | A kind of liner pipe repair apparatus |
| CN105442463B (en) * | 2015-12-31 | 2018-11-06 | 长安大学 | A kind of reinforcement means of highway pipe culvert |
| CN105442463A (en) * | 2015-12-31 | 2016-03-30 | 长安大学 | Reinforcing method of circular culvert |
| CN105822867A (en) * | 2016-05-24 | 2016-08-03 | 马鞍山宏力橡胶制品有限公司 | Internal expansion type rubber sealing ring and application thereof |
| CN107859806A (en) * | 2017-12-20 | 2018-03-30 | 北京市市政工程研究院 | A kind of embedded type pipe inside frame hardened system and its reinforcement means |
| CN107859806B (en) * | 2017-12-20 | 2024-03-22 | 北京市市政工程研究院 | Embedded pipeline inner support reinforcing system and reinforcing method thereof |
| CN109974949A (en) * | 2019-04-24 | 2019-07-05 | 美肯沃利工程技术咨询(北京)有限公司 | A kind of detection device for circular tunnel deformation joint seepage |
| CN109974949B (en) * | 2019-04-24 | 2024-04-05 | 美肯沃利工程技术咨询(北京)有限公司 | Detection device for leakage of deformation joint of circular tunnel |
| CN115899441A (en) * | 2022-11-21 | 2023-04-04 | 白银有色动力有限公司 | Method for improving integral pressure bearing of stainless steel lining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |