CN101749515B - Sealing gasket for half joint - Google Patents
Sealing gasket for half joint Download PDFInfo
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- CN101749515B CN101749515B CN201010115765A CN201010115765A CN101749515B CN 101749515 B CN101749515 B CN 101749515B CN 201010115765 A CN201010115765 A CN 201010115765A CN 201010115765 A CN201010115765 A CN 201010115765A CN 101749515 B CN101749515 B CN 101749515B
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- stamping steel
- steel ribbon
- sealing
- positioning block
- seal ring
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Abstract
This invention belongs to the technical field of pipeline rush-repair, specifically relating to a sealing gasket for a half joint, comprising sealing rings arranged on two sides of the sealing gasket, sealing strips which are arranged between the sealing rings and are in end-to-end connection with each other, wherein a locating block and/ or a locating groove is arranged on the sealing strip for the installation and fixation of the sealing strip. When the half joint is installed, the sealing gaskets are arranged on two shells which are in contrapositive installation at the outside of the pipeline broken part, bolt are used for fixing the two shells together, therefore, the sealing gaskets in the shells are oppositely installed, and the corresponding end parts of the adjacent sealing strips and sealing rings are propped tightly against each other. The sealing strip provided in the invention is provided with the locating block and/ or the locating groove which facilitates installation and fixation thereof, so the sealing strips are combined tightly with the shells, thus improving the high-pressure resistance and water hammer resistance of the sealing strips, improving the sealing performance of the whole sealing gasket, and improving the work reliability of the half joint.
Description
Technical field
The invention belongs to the pipe first-aid technical field, be specifically related to a kind of sealing gasket for half joint.
Background technique
A large amount of running water pipes, fuel tube, steam tube and petrochemical industry conveyance conduits of using in production and the life; These pipelines all might be improper because of safeguarding, geology depression and external force collision etc. are former thereby seepage or breakage take place; When needing repairing, use the Hough joint that the seepage or the breakage spot of pipeline are carried out sealed envelope usually.
The housing that the structure of existing Hough joint comprises opposed installation be arranged on the sealing gasket on the housing, the structure of sealing gasket is symmetrically distributed about the medial axis of housing, the sealing gasket during installation on the two housings is opposed to be abutted in together to improve sealability.Yet the high voltage performance of existing sealing gaskets of Hafu joint and anti-water hammer performance are not good, local rollover and high-pressure liquid take place easily go out accident, cause the seal failure of Hough joint, therefore demand urgently improving.
Summary of the invention
The purpose of this invention is to provide a kind of sealing gasket for half joint, its simple structure and good seal performance.
For realizing above-mentioned purpose; The present invention has adopted following technological scheme: a kind of sealing gasket for half joint; Comprise the seal ring that is arranged on both sides, be provided with between the described seal ring and connect the Stamping Steel Ribbon of end each other that described Stamping Steel Ribbon is provided with is convenient to its positioning block that installs and fixes and/or locating slot.
When the Hough joint is installed; Sealing gasket is placed on the housing; And with the opposed outside that is installed in the piping failure position of two housings; And with bolt two housings is tightened together and to get final product, the sealing gasket in this moment housing is installed relatively, and the corresponding end of adjacent seals bar and seal ring also is abutted together tightly.Because being provided with, the Stamping Steel Ribbon among the present invention is convenient to its positioning block that installs and fixes and/or locating slot; Therefore Stamping Steel Ribbon will closely combine with housing; Make the high voltage performance and the anti-water hammer performance boost of Stamping Steel Ribbon; Thereby improved the sealability of whole sealing gasket, also improved the functional reliability of Hough joint simultaneously.
Description of drawings
Fig. 1,5 all is structural representations of the present invention;
Fig. 2 is the plan view of Fig. 1, and the part that is painted with hatching among Fig. 2 is the B-B sectional view among Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the A-A sectional view of Fig. 2.
Embodiment
Shown in Fig. 1～4; A kind of sealing gasket for half joint; Comprise the seal ring 10 that is arranged on both sides, be provided with between the described seal ring 10 and connect the Stamping Steel Ribbon 20 of end each other that described Stamping Steel Ribbon 20 is provided with is convenient to its positioning block that installs and fixes and/or locating slot 23.
On the described Stamping Steel Ribbon 20 positioning block or locating slot can be set, better so that positioning block to be set usually, can increase the structural strength of Stamping Steel Ribbon 20 simultaneously.
Stamping Steel Ribbon 20 is arranged in the longitudinal fluting of Hough joint housing, and 10 of seal rings are arranged in the two ends place of Hough joint housing, and seal ring 10 has been formed a complete sealing system jointly with Stamping Steel Ribbon 20.It is more tight that positioning block among the present invention and/or locating slot 23 make that Stamping Steel Ribbon 20 combines with Hough joint housing; Thereby improved the sealability between adjacent seals bar and Stamping Steel Ribbon and the housing, also improved the high voltage performance and the anti-water hammer performance of whole Hough joint simultaneously.
Further, the cross section of described Stamping Steel Ribbon 20 is that the end face at wide at the top and narrow at the bottom trapezoidal, trapezoidal upper base place links to each other with the end face of seal ring 10, and described positioning block 23 is arranged on the trapezoidal end face that belongs to of going to the bottom, and is as shown in Figure 4.
Be embedded at Hough joint housing Stamping Steel Ribbon 20 longitudinally in the groove during installation; Because positioning block 23 is arranged on the end face at the trapezoidal place of going to the bottom; Also be the bottom that positioning block 23 is arranged on Stamping Steel Ribbon 20, and Hough joint housing is provided with and positioning block 23 corresponding recesses, positioning block 23 is aimed at the recess on the housings and embedded can be with Stamping Steel Ribbon 20 installation in position; Therefore positioning block 23 not only improves the sealability of Hough joint, and is convenient to install and construction.
Further, described positioning block 23 is for being arranged on the convexity on the Stamping Steel Ribbon 20, and positioning block 23 is along the length direction setting of Stamping Steel Ribbon 20, and positioning block 23 is separately positioned on the two end part and the middle part of Stamping Steel Ribbon 20, like Fig. 1, shown in 5.
Positioning block 23 is arranged on the Stamping Steel Ribbon 20 as projection or raised line, helps improving the structural strength of Stamping Steel Ribbon 20; And a plurality of positioning blocks 23 are set along the length direction of Stamping Steel Ribbon 20, and then help improving the harmony of the intensity that Stamping Steel Ribbon 20 directly makes progress at Hough joint housing, help the reliably working of Stamping Steel Ribbon 20.
As preferred version of the present invention; Described Stamping Steel Ribbon 20 comprises first Stamping Steel Ribbon 21 and second Stamping Steel Ribbon 22 that laterally arranges; The position of position and second Stamping Steel Ribbon 22 of described first Stamping Steel Ribbon 21 after about the medial axis symmetry of seal ring 10 is different, as shown in Figure 5.
The position of position and second Stamping Steel Ribbon 22 of described first Stamping Steel Ribbon 21 after about the medial axis symmetry of seal ring 10 is different; Promptly first Stamping Steel Ribbon 21 and second Stamping Steel Ribbon 22 are not symmetrical about the medial axis of seal ring 10 yet; This set mode of sealing gaskets of Hafu joint makes win Stamping Steel Ribbon 21 and second Stamping Steel Ribbon 22 when opposed installation, not exclusively abut in together or not abut in together; The sealing effect of Stamping Steel Ribbon is realized through the respective outer side edges of Stamping Steel Ribbon and Hough joint housing; Because the shell material of Hough joint is a metal; Therefore the structural strength of Hough joint housing is higher, thereby housing matches with Stamping Steel Ribbon and greatly improved the high voltage performance and the anti-water hammer performance of Hough joint, has guaranteed the sealability that Hough saves.
Further; As shown in Figure 5; The distance of the outer rim of described first Stamping Steel Ribbon 21 and seal ring 10 medial axis is greater than the outer rim of second Stamping Steel Ribbon 22 and the distance of seal ring 10 medial axis; And the cross-sectional width of first Stamping Steel Ribbon 21 is greater than the cross-sectional width of second Stamping Steel Ribbon 22, and described positioning block 23 is arranged on first Stamping Steel Ribbon 21.
Make the cross-sectional width of the cross-sectional width of first Stamping Steel Ribbon 21 greater than second Stamping Steel Ribbon 22; Can so that the lateral overlap of the inboard of first Stamping Steel Ribbon 21 and second Stamping Steel Ribbon 22 together; And can be under the prerequisite that guarantees Hough joint sealability; Reduce material consumption, reduce the volume of Hough joint, help reducing Hough joint weight and install with being convenient to.Because the cross-sectional width of first Stamping Steel Ribbon 21 is bigger, therefore positioning block 23 is set above that, not only be easy to make, and help installation.
Claims (2)
1. sealing gasket for half joint; Comprise the seal ring (10) that is arranged on both sides; Be provided with between the described seal ring (10) and connect the Stamping Steel Ribbon of end (20) each other, it is characterized in that: described Stamping Steel Ribbon (20) is provided with is convenient to its positioning block that installs and fixes and/or locating slot (23); For to be arranged on the convexity on the Stamping Steel Ribbon (20), positioning block (23) is along the length direction setting of Stamping Steel Ribbon (20), and positioning block (23) is separately positioned on the two end part and the middle part of Stamping Steel Ribbon (20) for described positioning block (23); Described Stamping Steel Ribbon (20) comprises first Stamping Steel Ribbon (21) and second Stamping Steel Ribbon (22) that laterally arranges, and the position of position and second Stamping Steel Ribbon (22) of described first Stamping Steel Ribbon (21) after about the medial axis symmetry of seal ring (10) is different; The distance of the outer rim of described first Stamping Steel Ribbon (21) and seal ring (10) medial axis is greater than the outer rim of second Stamping Steel Ribbon (22) and the distance of seal ring (10) medial axis.
2. sealing gasket for half joint according to claim 1; It is characterized in that: the cross section of described Stamping Steel Ribbon (20) is wide at the top and narrow at the bottom trapezoidal; The end face at trapezoidal upper base place links to each other with the end face of seal ring (10), and described positioning block (23) is arranged on the end face at the trapezoidal place of going to the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010115765A CN101749515B (en) | 2010-01-30 | 2010-01-30 | Sealing gasket for half joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010115765A CN101749515B (en) | 2010-01-30 | 2010-01-30 | Sealing gasket for half joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101749515A CN101749515A (en) | 2010-06-23 |
| CN101749515B true CN101749515B (en) | 2012-10-03 |
Family
ID=42476935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010115765A Active CN101749515B (en) | 2010-01-30 | 2010-01-30 | Sealing gasket for half joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101749515B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679087B (en) * | 2012-05-18 | 2016-03-23 | 安徽同发设备股份有限公司 | A kind of open-loop Hough section seal pad |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2094258A (en) * | 1936-06-30 | 1937-09-28 | Newton B Thompson | Pipe line clamp |
| US5605357A (en) * | 1995-06-05 | 1997-02-25 | M&Fc Holding Co. | Pipe collar |
| CN2648236Y (en) * | 2003-01-13 | 2004-10-13 | 焦发兆 | Enviornment protection type Harf joint sealing gasket |
| CN2851799Y (en) * | 2005-09-23 | 2006-12-27 | 常州宝硕宏图塑胶有限公司 | Quick leak-stopping joint for pipeline |
| CN101135409A (en) * | 2006-08-31 | 2008-03-05 | 宋同广 | Tap water pipeline quick-speed first-aid repair method and special pipe hoop thereof |
| CN201057342Y (en) * | 2007-06-13 | 2008-05-07 | 中国石油天然气管道局 | Sealing structure of pipe first-aid clamp |
| CN201621427U (en) * | 2010-01-30 | 2010-11-03 | 安徽同发设备股份有限公司 | Sealing gasket for half union joint |
-
2010
- 2010-01-30 CN CN201010115765A patent/CN101749515B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2094258A (en) * | 1936-06-30 | 1937-09-28 | Newton B Thompson | Pipe line clamp |
| US5605357A (en) * | 1995-06-05 | 1997-02-25 | M&Fc Holding Co. | Pipe collar |
| CN2648236Y (en) * | 2003-01-13 | 2004-10-13 | 焦发兆 | Enviornment protection type Harf joint sealing gasket |
| CN2851799Y (en) * | 2005-09-23 | 2006-12-27 | 常州宝硕宏图塑胶有限公司 | Quick leak-stopping joint for pipeline |
| CN101135409A (en) * | 2006-08-31 | 2008-03-05 | 宋同广 | Tap water pipeline quick-speed first-aid repair method and special pipe hoop thereof |
| CN201057342Y (en) * | 2007-06-13 | 2008-05-07 | 中国石油天然气管道局 | Sealing structure of pipe first-aid clamp |
| CN201621427U (en) * | 2010-01-30 | 2010-11-03 | 安徽同发设备股份有限公司 | Sealing gasket for half union joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101749515A (en) | 2010-06-23 |
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