CN102679089B - Half joint sealing gasket - Google Patents
Half joint sealing gasket Download PDFInfo
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- CN102679089B CN102679089B CN201210156288.2A CN201210156288A CN102679089B CN 102679089 B CN102679089 B CN 102679089B CN 201210156288 A CN201210156288 A CN 201210156288A CN 102679089 B CN102679089 B CN 102679089B
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- inlay card
- seal ring
- card portion
- clamping
- sealing
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Abstract
The invention belongs to the technical field of pipeline emergency maintenance and particularly relates to a half joint sealing gasket. The half joint sealing gasket comprises two oppositely-arranged semi-arc-shaped sealing rings and sealing strips which are arranged at the end parts of the two sealing rings and are used for mutually connecting; clamping parts are further arranged at two end parts of the sealing rings; the appearance of the cross section of each clamping part is in a ladder-shaped or step-shaped configuration, wherein the cross section is gradually extended from the outer side to the inner side or is reduced in a gradient manner; and the clamping parts are clamped and matched with corresponding parts on an outer shell. In a process from assembling to using, the clamping and the matching of the clamping parts and the shell not only have auxiliary positioning and fixing effects, and the clamping and the matching of the clamping parts and the shell can integrally realize the stable performance on the structure, so that requirements on a bonding procedure in an assembling process are avoided; and therefore, not only can the initial high-sealing requirements be realized, but also the production cost and the manufacturing cost are extremely reduced, and requirements on actual economic benefits of enterprises are met.
Description
Technical field
The invention belongs to pipe first-aid technical field, be specifically related to a kind of sealing gaskets of Hafu joint.
Background technique
Pipeline leakage plugging device is that seepage or the breakage spot to pipeline carries out sealed envelope to realize the device of rapid repairing, it is simple in structure, only need the pipeline leakage plugging device housing of two opposed installations can form with two sealing gaskets that are arranged at pipeline leakage plugging device housing faying surface place, simultaneously easy for installation, when use, two housings has been got final product to the repairing of twin conduit to being combined in the place's fastening nut that leaks; Both can save the time of cutting off the water with this device, and can reduce again emergency repair cost, therefore application is very extensive.The concrete half arc seal ring that is arranged on its both sides that all comprises, is provided with connection Stamping Steel Ribbon each other simultaneously between its seal ring end, and between above-mentioned each parts, tandem array finally forms closed loop structure; Rely on when mounted the both sides inlay card deviating from mutually of two sealing gaskets in the prefabricated fixed groove of pipeline leakage plugging device housing, its opposed fitting together of side, place, relative both sides, thus finally rely on its both extrusion-deformation to improve its sealability; When installing, it adopts the mode boning again after the cooperation of pegging graft, be specially and first on housing, be reserved with the deep gouge identical with sealing gasket profile, after relying on lower half portion of sealing gasket to smear Bond when use,, in the deep gouge on housing, finally realize it and be fixed effect at sedimentation inlay card.In prior art, conventionally all make lower half portion of its seal ring or Stamping Steel Ribbon be the chamfering shape of being convenient to grafting, from its seal ring cross section, its entirety is the little trapezoidal bulk in large outside, inner side, its structure has no doubt ensured that sealing gasket can be fitted in deep gouge faster, but, due to the bond effect of Bond, severe complex environment when concrete use and even some direct clamping and without the atypical assembly structure of bonding etc. difference, all cause its sealing gasket very easily to produce the phenomenon that drops from housing, while being directed to especially the structure that only relies on the direct clamping of deep gouge on sealing gasket and housing, its outer little interior large trapezium structure more causes its phenomenon that drops to happen occasionally, thereby the Fast-Maintenance construction to workmen brings very big inconvenience.
Summary of the invention
The object of this invention is to provide a kind of sealing gaskets of Hafu joint, can under the prerequisite of guaranteeing its high sealing performance, ensure the steadiness of its structure, its production and fabricating cost are low.
For achieving the above object, the present invention has adopted following technological scheme: a kind of sealing gaskets of Hafu joint, comprise the two half arc seal rings that are oppositely arranged and be arranged at two seal ring ends for connecting Stamping Steel Ribbon each other, described seal ring is also provided with inlay card portion at its two ends place, described inlay card cross section profile is and is postponed gradually in it by seal ring lateral or trapezoid shaped or step-like structure that echelon reduces, and inlay card portion forms inlay card with external casing corresponding position and coordinates.
Beneficial effect of the present invention is: after adopting said structure, when practical set, still can be first by seal ring middle part and Stamping Steel Ribbon with on pipeline leakage plugging device housing, between reserved deep gouge, form grafting and coordinate, the reserved inlay card position on pipeline leakage plugging device housing by the inlay card portion at seal ring two ends place successively inlay card more afterwards, thus realize effectively affixed between sealing gasket and pipeline leakage plugging device housing.Complete until in using process in its assembling, its inlay card portion coordinates and not only can play auxiliary positioning and fixation with the inlay card between housing, even only rely on its inlay card forming to coordinate between the two and get final product complete its structural firm performance that realizes, thereby the bonding operation requirement while removing its assembling from, not only can realize its initial high sealing demand, production and fabricating cost also can greatly be reduced simultaneously, meet enterprise practical economic benefit demand.
Brief description of the drawings
Fig. 1 is wherein a kind of structural representation of the present invention;
Fig. 2 is the pipeline leakage plugging device shell construction schematic diagram matching with structure shown in Fig. 1;
Fig. 3 is the I part partial enlarged drawing of Fig. 1;
Fig. 4 is the plan view of Fig. 1 structure.
Embodiment
A kind of sealing gaskets of Hafu joint, comprise the two half arc seal rings 10 that are oppositely arranged and be arranged at two seal ring 10 ends for connecting Stamping Steel Ribbon 20 each other, described seal ring 10 is also provided with inlay card portion 30 at its two ends place, described inlay card portion 30 cross-sectional profile are and are postponed gradually in it by seal ring 10 laterals or trapezoid shaped or step-like structure that echelon reduces, and inlay card portion 30 forms inlay card with external casing corresponding position and coordinates.
When practical set, as Figure 1-4, the sectional shape of its inlay card portion 30, more be similar to dovetail shaped, can be first when assembling coordinate by forming grafting between seal ring 10 and Stamping Steel Ribbon 20 and reserved deep gouge on pipeline leakage plugging device housing, now the inlay card portion 30 at its seal ring 10 two ends places can naturally be placed on the corresponding side of housing along place, at this moment, assembly crewman presses inlay card portion 30, owing to leaving in advance the dovetail shaped slot part identical with its inlay card portion 30 cross-sectional shape on pipeline leakage plugging device housing, now inlay card portion 30 gets final product the dovetail groove place of inlay card on pipeline leakage plugging device housing, thereby realize effectively affixed between sealing gasket entirety and pipeline leakage plugging device housing.Complete until in using process in its assembling, its inlay card portion coordinates and can play auxiliary positioning and fixation with the inlay card between housing, dovetail type interface arrangment between inlay card portion 30 and pipeline leakage plugging device housing, only rely on the inlay card forming between its sealing gasket and housing coordinate can be independent complete its structural firm performance that realizes, thereby the bonding operation requirement while removing its assembling from, not only can realize its initial high sealing demand, production and fabricating cost also can greatly be reduced simultaneously, meet enterprise practical economic benefit demand.
For ease of explanation, this interior ring of sentencing seal ring 10 is inner side, taking its outer shroud as outside, simultaneously again taking its with Stamping Steel Ribbon 20 sides, cooperation place as its rear side, in like manner, its Ze Wei front sides, another side relative and Stamping Steel Ribbon 20 sides, cooperation place, are specifically described below:
As present invention further optimization scheme: as shown in Figures 1 and 3, inlay card portion 30 profiles are frustum of a pyramid shape, the little table top of its frustum of a pyramid arranges towards seal ring 10 axis places, the setting that coincide of its little mesa thickness and seal ring 10 inner side surface thickness; The tilt angle of establishing the relative seal ring 10 place planes in the bi-side that are positioned at seal ring 10 front and back side directions of inlay card portion 30 is herein 10～20 °.Like this, can be regarded as the small end place face of inlay card portion 30 and the inner side surface of seal ring 10 layout that postpones; In addition, the dovetail type slope number of degrees of its inlay card portion 30 are also limited accordingly herein, actual required to ensure that its inlay card fixed effect meets.
Further, the seal ring 10 end faces wide trapezoid shaped in the narrow inner side of shape or outside that is rectangle, is formed for the spacing shoulder 31 of position limiting sealed pad along installation direction action with seal ring 10 end face cooperation places in inlay card portion 30.In fact, rely on inlay card portion 30 to coordinate along the dovetail type of corresponding site with pipeline leakage plugging device case side, no doubt can ensure the spacing property of its entirety with respect to vertical seal pad installation direction, but, displacement on the opposing parallel sealing gasket installation direction of whole sealing gasket still cannot be limited, and this just certainly will still exist the sealing gasket problem that drops.Therefore, be provided with the spacing shoulder 31 of locating herein as shown in Fig. 1 and Fig. 4, rely on the one hand the gear structure of its spacing shoulder 31, thereby ensure that sealing gasket entirety is with respect to the stabilized structure on its installation direction, avoid it after assembling and even occur that part is offset even the entirety phenomenon that drops when work; On the other hand, spacing shoulder 31 structures of its uniqueness, are rationally to form owing to coordinating afterwards between inlay card portion 30 own and seal ring 10, thereby ensure the cheap property in its cost and operation, are conducive to guarantee the production economy benefit of enterprise, achieve many things at one stroke.
Claims (4)
1. a sealing gaskets of Hafu joint, comprise the two half arc seal rings (10) that are oppositely arranged and be arranged at two seal rings (10) end for connecting Stamping Steel Ribbon (20) each other, it is characterized in that: described seal ring (10) is also provided with inlay card portion (30) at its two ends place, described inlay card portion (30) cross-sectional profile is and is postponed gradually in it by seal ring (10) lateral or trapezoid shaped or step-like structure that echelon reduces, and inlay card portion (30) forms inlay card with external casing corresponding position and coordinates.
2. sealing gaskets of Hafu joint according to claim 1, it is characterized in that: inlay card portion (30) profile is frustum of a pyramid shape, the little table top of its frustum of a pyramid arranges towards seal ring (10) axis place, and its little mesa thickness and seal ring (10) inner side surface thickness coincide and arranges.
3. sealing gaskets of Hafu joint according to claim 2, is characterized in that: the tilt angle of the relative seal rings in bi-side (10) the place plane that is positioned at seal ring (10) front and back side direction of inlay card portion (30) is 10～20 °.
4. according to the sealing gaskets of Hafu joint described in claim 2 or 3, it is characterized in that: seal ring (10) the end face wide trapezoid shaped in the narrow inner side of shape or outside that is rectangle, is formed for the spacing shoulder (31) of position limiting sealed pad along installation direction action with seal ring (10) end face cooperation place in inlay card portion (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210156288.2A CN102679089B (en) | 2012-05-18 | 2012-05-18 | Half joint sealing gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210156288.2A CN102679089B (en) | 2012-05-18 | 2012-05-18 | Half joint sealing gasket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102679089A CN102679089A (en) | 2012-09-19 |
| CN102679089B true CN102679089B (en) | 2014-08-06 |
Family
ID=46811437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210156288.2A Active CN102679089B (en) | 2012-05-18 | 2012-05-18 | Half joint sealing gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102679089B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2418566Y (en) * | 2000-04-19 | 2001-02-07 | 咸阳海龙复合材料有限责任公司 | Ladder-shaped sealing ring |
| CN200949654Y (en) * | 2006-05-15 | 2007-09-19 | 郑州人造金刚石及制品工程技术研究中心 | Piston and cylinder lid sealing structure |
| CN200989443Y (en) * | 2006-12-11 | 2007-12-12 | 许昌远东传动轴有限公司 | Spline pair steel plate framework seal |
| CN101749511A (en) * | 2010-01-30 | 2010-06-23 | 安徽同发设备股份有限公司 | Hafu joint |
| CN202580463U (en) * | 2012-05-18 | 2012-12-05 | 安徽同发设备股份有限公司 | Half joint sealing gasket |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4568091A (en) * | 1983-06-07 | 1986-02-04 | Team, Inc. | Leak repair clamp with flexible lip seals |
| GB2396678B (en) * | 2002-12-23 | 2006-08-23 | Taylor Kerr | Apparatus for repairing an underwater pipe |
| GB0509143D0 (en) * | 2005-05-05 | 2005-06-08 | Mw Polymer Products Ltd | Method and apparatus for sealing fluid carrying members |
| JP2006329253A (en) * | 2005-05-24 | 2006-12-07 | Kawasaki Factory Kk | Packing for embedded pipe repairing equipment |
-
2012
- 2012-05-18 CN CN201210156288.2A patent/CN102679089B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2418566Y (en) * | 2000-04-19 | 2001-02-07 | 咸阳海龙复合材料有限责任公司 | Ladder-shaped sealing ring |
| CN200949654Y (en) * | 2006-05-15 | 2007-09-19 | 郑州人造金刚石及制品工程技术研究中心 | Piston and cylinder lid sealing structure |
| CN200989443Y (en) * | 2006-12-11 | 2007-12-12 | 许昌远东传动轴有限公司 | Spline pair steel plate framework seal |
| CN101749511A (en) * | 2010-01-30 | 2010-06-23 | 安徽同发设备股份有限公司 | Hafu joint |
| CN202580463U (en) * | 2012-05-18 | 2012-12-05 | 安徽同发设备股份有限公司 | Half joint sealing gasket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102679089A (en) | 2012-09-19 |
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Denomination of invention: Half joint sealing gasket Effective date of registration: 20171222 Granted publication date: 20140806 Pledgee: Xingye Bank, Limited by Share Ltd Anqing branch Pledgor: Anhui Tongfa Equipment Co., Ltd. Registration number: 2017340000446 |