CN211624543U - Glass fiber reinforced plastic sleeve joint capable of carrying out joint hydrostatic test - Google Patents
Glass fiber reinforced plastic sleeve joint capable of carrying out joint hydrostatic test Download PDFInfo
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- CN211624543U CN211624543U CN202020079910.4U CN202020079910U CN211624543U CN 211624543 U CN211624543 U CN 211624543U CN 202020079910 U CN202020079910 U CN 202020079910U CN 211624543 U CN211624543 U CN 211624543U
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Abstract
The utility model discloses a can connect hydrostatic test's glass steel sleeve joint, including glass steel sleeve and whole sealing washer, the both ends internal surface all is provided with the multilayer seal lip along the axial about whole sealing washer, just seal lip all moves towards the middle part of whole sealing washer, whole sealing washer both ends internal surface is located the most inboard seal lip orientation one side at whole sealing washer middle part is provided with the water pressure sealing washer, is provided with the pressure testing mouth between this water pressure sealing washer and the adjacent seal lip with it, the pressure testing mouth runs through in proper order whole sealing washer with glass steel sleeve after-fixing. The utility model discloses be convenient for connect hydrostatic test, wait to pressurize to test pressure back pressurize, inspection muffjoint's water-stop performance brings more firm data foundation and safety guarantee for follow-up construction.
Description
Technical Field
The utility model belongs to the technical field of the FRP pipe way, concretely relates to can connect hydrostatic test's FRP sleeve joint.
Background
At present, a water supply and drainage pipe network in municipal construction widely uses various pipes including drinking water supply, domestic sewage and rainwater drainage, fire fighting pipelines and the like, for example: PVC pipe, PE pipe, double-walled bellows, hollow-walled wound pipe, and the like. The prior art generally adopts the modes of socket joint, hot melt strip, butt joint, flange, clamping sleeve and the like, and generally speaking, the connection modes have the defects of greater benefit. The glass fiber reinforced plastic sleeve joint applied in 2013, 11, 25 avoids the problem that a common sealing ring is easy to roll and fall off, meanwhile, the sealing performance is better, the joint is reliable in sealing and convenient to install, but a field joint hydrostatic test is required to replace an integral hydrostatic test in many projects, so that the existing sleeve joint with the full-width rubber lip seal is required to be improved to meet the actual requirement that the joint hydrostatic test can be carried out by injecting water into an incomplete pipe.
Disclosure of Invention
The utility model aims to solve the technical problem that just be not enough to above-mentioned prior art, provide a can connect hydrostatic test's glass steel sleeve joint, it can realize the joint hydrostatic test of the whole pipe water injection of non-at the job site, more can satisfy actual construction demand.
The utility model adopts the technical proposal that: a glass fiber reinforced plastic sleeve joint capable of carrying out joint hydrostatic test comprises a glass fiber reinforced plastic sleeve and an integral sealing ring combined on the inner surface of the glass fiber reinforced plastic sleeve, the combination mode between the glass fiber reinforced plastic sleeve and the integral sealing ring is a dovetail tenon structure which is staggered up and down, and both ends of the integral sealing ring are in a barb shape hooked into the glass fiber reinforced plastic sleeve, the inner surfaces of the left and right ends of the integral sealing ring are both provided with a plurality of layers of sealing lips along the axial direction, the sealing lips face to the middle part of the integral sealing ring, one side of the sealing lip which is positioned at the innermost side of the inner surfaces of the two ends of the integral sealing ring and faces to the middle part of the integral sealing ring is provided with a hydraulic sealing ring, a pressure testing nozzle is arranged between the hydraulic sealing ring and the sealing lip adjacent to the hydraulic sealing ring, and penetrates through the integral sealing ring and the glass fiber reinforced plastic sleeve in sequence to be fixed.
Preferably, the glass fiber reinforced plastic sleeve is a glass fiber cured layer wound on the integral sealing ring through a winding process.
Preferably, the one-piece seal ring is a full-width one-piece rubber seal ring.
Preferably, the axial length of the integral seal ring is identical to the axial length of the glass fiber reinforced plastic sleeve.
Preferably, the inner surface of the integral sealing ring is provided with an annular positioning boss along the circumferential direction.
Preferably, the annular positioning boss is located at the middle position of the integral sealing ring along the axial direction.
Preferably, the glass fiber reinforced plastic sleeve and the integral sealing ring are bonded by a cross-linking agent.
Preferably, the hydraulic sealing ring has a semi-cylindrical section.
Preferably, the inner mouth end of the pressure testing mouth is provided with a plane flanging which is hermetically attached to the integral sealing ring.
Preferably, the outer mouth end of the pressure testing mouth is fixed on the glass fiber reinforced plastic sleeve through a fastening nut.
The beneficial effects of the utility model reside in that: because the utility model discloses a holistic rubber seal has avoided the easy problem that rolls, easily drop of ordinary sealing washer, and it is very convenient to install, and sealing performance is better, moreover the utility model discloses a box head can be at the job site directly through the pressure testing mouth to whole sealing washer, seal lip, the pressure testing space that forms between water pressure seal circle and the pipeline carry out the water injection of whole pipe to in connecting water pressure test, wait to pressurize to test pressure back pressurize, test box head's water tightness performance brings more firm data foundation and safety guarantee for follow-up construction.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. a glass fiber reinforced plastic sleeve; 2. an integral seal ring; 21. a sealing lip; 22. a hydraulic sealing ring; 23. a pressure testing nozzle; 24. an annular positioning boss; 3. a pipeline.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, a joint of a glass fiber reinforced plastic sleeve 1 capable of performing a joint hydrostatic test comprises a glass fiber reinforced plastic sleeve 1 and an integral sealing ring 2 combined on the inner surface of the glass fiber reinforced plastic sleeve 1, wherein the glass fiber reinforced plastic sleeve 1 is a glass fiber cured layer wound on the integral sealing ring 2 through a winding process, the integral sealing ring 2 is a full-width integral rubber sealing ring, the axial length of the integral sealing ring 2 is consistent with that of the glass fiber reinforced plastic sleeve 1, the glass fiber reinforced plastic sleeve 1 and the integral sealing ring 2 are combined in a vertically staggered dovetail structure, two ends of the integral sealing ring 2 are hooked into a barb shape inside the glass fiber reinforced plastic sleeve 1, and the glass fiber reinforced plastic sleeve 1 and the integral sealing ring 2 are bonded by using a cross-linking agent. The left and right ends of the integral sealing ring 2 are provided with multiple layers of sealing lips 21 along the axial direction, the sealing lips 21 face towards the middle part of the integral sealing ring 2, the inner surfaces of the two ends of the integral sealing ring 2 are located at the innermost sides of the sealing lips 21 face towards one side of the middle part of the integral sealing ring 2 is provided with a water pressure sealing ring 22, a pressure test nozzle 23 is arranged between the water pressure sealing ring 22 and the sealing lips 21 adjacent to the water pressure sealing ring 22, and the pressure test nozzle 23 sequentially penetrates through the integral sealing ring 2 and the rear fixing of the glass fiber reinforced plastic sleeve 1.
Preferably, the inner surface of the integral seal ring 2 is provided with an annular positioning boss 24 along the circumferential direction, and the annular positioning boss 24 is located at the middle position of the integral seal ring 2 along the axial direction.
Preferably, the cross section of the hydraulic pressure sealing ring 22 is a semi-cylindrical shape, the inner mouth end of the pressure testing nozzle 23 is provided with a plane flanging which is hermetically attached to the integral sealing ring 2, and the outer mouth end of the pressure testing nozzle 23 is fixed on the glass fiber reinforced plastic sleeve 1 through a fastening nut.
Because the utility model discloses a holistic rubber seal has avoided the easy roll of ordinary sealing washer, the problem that easily drops, and it is very convenient to install, and sealing performance is better, moreover the utility model discloses a muffjoint can be at the job site directly through pressure testing mouth 23 to whole sealing washer 2, seal lip 21, the pressure testing space that forms between water pressure seal 22 and the pipeline 3 carries out the water injection of whole pipe of non-to in order to connect water pressure test, wait to pressurize to test pressure back pressurize, test muffjoint's water tightness performance brings more firm data foundation and safety guarantee for follow-up construction.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.
Claims (10)
1. The utility model provides a can connect glass steel sleeve joint of hydrostatic test, includes glass steel sleeve (1) and combines in whole sealing washer (2) of glass steel sleeve (1) internal surface which characterized in that: the combination mode between the glass fiber reinforced plastic sleeve (1) and the integral sealing ring (2) is a dovetail tenon structure which is staggered up and down, and the two ends of the integral sealing ring (2) are in a barb shape which is hooked into the glass fiber reinforced plastic sleeve (1), the inner surfaces of the left end and the right end of the integral sealing ring (2) are provided with a plurality of layers of sealing lips (21) along the axial direction, the sealing lips (21) face the middle part of the integral sealing ring (2), one side of the sealing lip (21) which is positioned at the innermost side of the inner surfaces of the two ends of the integral sealing ring (2) and faces the middle part of the integral sealing ring (2) is provided with a hydraulic sealing ring (22), a pressure test nozzle (23) is arranged between the water pressure sealing ring (22) and the sealing lip (21) adjacent to the water pressure sealing ring, and the pressure testing nozzle (23) penetrates through the integral sealing ring (2) and the glass fiber reinforced plastic sleeve (1) in sequence and then is fixed.
2. A glass reinforced plastic sleeve joint capable of performing joint hydrostatic testing according to claim 1, wherein: the glass fiber reinforced plastic sleeve (1) is a glass fiber solidified layer wound on the integral sealing ring (2) through a winding process.
3. A glass reinforced plastic sleeve joint capable of performing joint hydrostatic testing according to claim 1, wherein: the integral sealing ring (2) is a full-width integral rubber sealing ring.
4. A glass reinforced plastic sleeve joint capable of performing joint hydrostatic testing according to claim 1, wherein: the axial length of the integral sealing ring (2) is consistent with that of the glass fiber reinforced plastic sleeve (1).
5. A glass reinforced plastic sleeve joint capable of performing joint hydrostatic testing according to claim 1, wherein: and an annular positioning boss (24) is arranged on the inner surface of the integral sealing ring (2) along the circumferential direction.
6. The glass reinforced plastic sleeve joint capable of performing joint hydraulic test according to claim 5, wherein: the annular positioning boss (24) is located in the middle of the integral sealing ring (2) along the axis direction.
7. A glass reinforced plastic sleeve joint capable of performing joint hydrostatic testing according to claim 1, wherein: the glass fiber reinforced plastic sleeve (1) and the integral sealing ring (2) are bonded by adopting a cross-linking agent.
8. A glass reinforced plastic sleeve joint capable of performing joint hydrostatic testing according to claim 1, wherein: the section of the hydraulic sealing ring (22) is semi-cylindrical.
9. A glass reinforced plastic sleeve joint capable of performing joint hydrostatic testing according to claim 1, wherein: the inner mouth end of the pressure testing mouth (23) is provided with a plane flanging which is hermetically attached to the integral sealing ring (2).
10. A glass reinforced plastic sleeve joint capable of being subjected to joint hydrostatic testing as claimed in claim 9, wherein: the outer mouth end of the pressure testing mouth (23) is fixed on the glass fiber reinforced plastic sleeve (1) through a fastening nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020079910.4U CN211624543U (en) | 2020-01-15 | 2020-01-15 | Glass fiber reinforced plastic sleeve joint capable of carrying out joint hydrostatic test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020079910.4U CN211624543U (en) | 2020-01-15 | 2020-01-15 | Glass fiber reinforced plastic sleeve joint capable of carrying out joint hydrostatic test |
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| Publication Number | Publication Date |
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| CN211624543U true CN211624543U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020079910.4U Active CN211624543U (en) | 2020-01-15 | 2020-01-15 | Glass fiber reinforced plastic sleeve joint capable of carrying out joint hydrostatic test |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114659882A (en) * | 2022-04-08 | 2022-06-24 | 中国船舶重工集团公司第七二五研究所 | Composite transition joint hydrostatic test device and hydrostatic test method |
| CN118188907A (en) * | 2024-05-20 | 2024-06-14 | 四川蓝川管道有限公司 | Anti-drop self-check repair anti-leakage connecting device for drainage pipeline and drainage pipeline system |
-
2020
- 2020-01-15 CN CN202020079910.4U patent/CN211624543U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114659882A (en) * | 2022-04-08 | 2022-06-24 | 中国船舶重工集团公司第七二五研究所 | Composite transition joint hydrostatic test device and hydrostatic test method |
| CN118188907A (en) * | 2024-05-20 | 2024-06-14 | 四川蓝川管道有限公司 | Anti-drop self-check repair anti-leakage connecting device for drainage pipeline and drainage pipeline system |
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