CN203743714U - Pipe end sealing and pressure testing tool of plastic water feeding pipeline - Google Patents

Pipe end sealing and pressure testing tool of plastic water feeding pipeline Download PDF

Info

Publication number
CN203743714U
CN203743714U CN201420039493.5U CN201420039493U CN203743714U CN 203743714 U CN203743714 U CN 203743714U CN 201420039493 U CN201420039493 U CN 201420039493U CN 203743714 U CN203743714 U CN 203743714U
Authority
CN
China
Prior art keywords
pipe
sealing
pressure testing
pressure
plastic water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420039493.5U
Other languages
Chinese (zh)
Inventor
周光斌
石磊
杨长江
李征洋
汤远晏
赵登华
胡诗军
李军
刘维忠
刘鸣
李俭鸿
彭东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Industrial Equipment Installation Group Co ltd
Chongqing Construction Engineering Group Co Ltd
Original Assignee
Chongqing Industrial Equipment Installation Group Co ltd
Chongqing Construction Engineering Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Industrial Equipment Installation Group Co ltd, Chongqing Construction Engineering Group Co Ltd filed Critical Chongqing Industrial Equipment Installation Group Co ltd
Priority to CN201420039493.5U priority Critical patent/CN203743714U/en
Application granted granted Critical
Publication of CN203743714U publication Critical patent/CN203743714U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a pipe end sealing and pressure testing tool of a plastic water feeding pipeline. The tool comprises a fastening tenon piece, a force application flange and a pipe end sealing device, wherein a pressure testing pipe fitting is fixedly sleeved with the fastening tenon piece, the pressure testing pipe fitting is sleeved with the force application flange which is arranged on the side, away from the end of the pressure testing pipe fitting, of the fastening tenon piece, and the pipe end sealing device is used for blocking the end of the pressure testing pipe fitting and comprises a sealing blind plate. A sealing pad for sealing the pipe end of the pressure testing pipe fitting is arranged on the sealing blind plate, and a force application bolt for compressing and fixing the sealing pad at the pipe end of the pressure testing pipe fitting is arranged between the sealing blind plate and the force application flange. Due to the arrangement of the fastening tenon piece which is fixedly arranged on the pressure testing pipe fitting in a sleeved mode, the force application flange and the sealing blind plate can be tensioned and fixed through the force application bolt, the pressure for blocking the pipe end of the pressure testing pipe fitting by the sealing pad is provided, and finally blockage of the pipe end of the pressure testing pipe fitting is achieved. According to the pipe end sealing and pressure testing tool of the plastic water feeding pipeline, after pipeline pressure testing is completed, a user only needs to dismount all mechanical components, and material waste is avoided.

Description

Plastic water supply pipe road pipe end sealing structure for pressure test
Technical field
The utility model belongs to mechanical frock technical field, is specifically related to a kind of plastic water supply pipe road pipe end sealing structure for pressure test, is mainly used in blocking pipe end in the time that pipeline pressure test is worked.
Background technique
Before pipeline pressure test work, all need the end of pipeline to carry out shutoff, in the prior art, pipe end shutoff when plastic pipe pressure testing all adopts the necessary supporting with this plastic pipe and flange to carry out shutoff, between necessary and plastic pipe, generally adopt melting to be connected or bonding mode connects, after pipeline pressure test, because the pipeline section of welding and bonding pipeline section all cannot utilize again, therefore need necessary and flange to carry out restorative excision, cause and in work pressure test, produce a large amount of waste of material.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of plastic water supply pipe road pipe end sealing structure for pressure test, and this pipe end sealing structure for pressure test not only can meet the requirement of the pipe end shutoff of pipeline pressure test work, and can not produce waste of material.
For achieving the above object, the utility model provides following technological scheme:
A kind of plastic water supply pipe road pipe end sealing structure for pressure test, comprises the fastening tenon part that is fixedly set on pressure testing pipe, is sleeved on described pressure testing pipe and is positioned at described fastening tenon part away from the afterburning flange of pressure testing pipe end one side with for the pipe end locking device of shutoff pressure testing pipe end; Described pipe end locking device comprises sealing blind, described sealing blind is provided with the sealing gasket for sealing pressure testing pipe pipe end, and is provided with the afterburning bolt for described sealing gasket being pressed abd fixed on to pressure testing pipe pipe end between described sealing blind and described afterburning flange.
Further, also comprise and being arranged in pressure testing pipe for preventing the liner of pressure testing pipe distortion.
Further, described liner is cylindric and is fixedly mounted on described sealing blind.
Further, described sealing blind is provided with the outer banded penstock I that internal diameter is greater than pressure testing pipe external diameter.
Further, described sealing gasket is fixedly installed between described liner and described outer banded penstock I.
Further, described liner comprises center-pole, being slidably matched is sleeved on two slide blocks on described center-pole and at least two for supporting the support unit of pressure testing pipe inwall; Described support unit comprises arc dunnage, and the two ends of described arc dunnage are articulated and connected by two two hinge bars and two described slide blocks respectively, and described center-pole is provided with the adjusting nut for regulating two described slide positions.
Further, described sealing blind is provided with internal diameter and is greater than the internal baffle that the outer banded penstock II of pressure testing pipe external diameter and external diameter are less than pressure testing pipe internal diameter, and described sealing gasket is fixedly installed between described outer banded penstock II and internal baffle.
Further, between described internal baffle and pressure testing pipe inwall, be also provided with U-shaped seal ring.
Further, the outer circumferential face of described fastening tenon part is the diminishing conical surface of direction that points to described afterburning flange along described sealing blind; Described afterburning flange is provided with for being sleeved on the central through bore on pressure testing pipe, and the inwall of described central through bore is the conical surface equating with outer circumferential face cooperation and the tapering of described fastening tenon part.
Further, the split of described fastening tenon part is set at least two lobe tenon part unit, is provided with bolt connecting base described in adjacent two lobes between tenon part unit.
The beneficial effects of the utility model are:
Plastic water supply pipe of the present utility model road pipe end sealing structure for pressure test, be fixedly set in the fastening tenon part on pressure testing pipe by setting, utilize afterburning bolt afterburning flange and sealing blind can be strained and fixed, and the pressure of sealing gasket shutoff pressure testing pipe pipe end is provided, finally realize the shutoff of pressure testing pipe pipe end; Adopt plastic water supply pipe of the present utility model road pipe end sealing structure for pressure test, after pipeline pressure test completes, only each mechanical part need be pulled down, can not cause waste of material.
Brief description of the drawings
In order to make the purpose of this utility model, technological scheme and beneficial effect clearer, the utility model provides following accompanying drawing to describe:
Fig. 1 is the utility model plastic water supply pipe road pipe end sealing structure for pressure test embodiment one structural representation;
Fig. 2 is the structural representation of fastening tenon part;
Fig. 3 is the water (flow) direction schematic diagram while leaking;
Fig. 4 is the utility model plastic water supply pipe road pipe end sealing structure for pressure test embodiment two structural representation;
Fig. 5 is the utility model plastic water supply pipe road pipe end sealing structure for pressure test embodiment three structural representation;
Fig. 6 is the structural representation of the liner of the present embodiment.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
embodiment one
As shown in Figure 1, seal structure for pressure test embodiment one structural representation for the utility model plastic water supply pipe road pipe end.The plastic water supply pipe road pipe end sealing structure for pressure test of the present embodiment, comprises the fastening tenon part 2 that is fixedly set on pressure testing pipe 1, is sleeved on pressure testing pipe 1 and is positioned at fastening tenon part 2 away from the afterburning flange 3 of pressure testing pipe 1 end one side with for the pipe end locking device of shutoff pressure testing pipe 1 end.Pipe end locking device comprises sealing blind 4, and sealing blind 4 is provided with the sealing gasket 5 for sealing pressure testing pipe 1 pipe end, and between sealing blind 4 and afterburning flange 3, is provided with the afterburning bolt 6 for sealing gasket 5 being pressed abd fixed on to pressure testing pipe 1 pipe end.Preferably, annular is uniform is set at least three for afterburning bolt 6, and the afterburning bolt 6 of the present embodiment is set to 4, by annular is uniform multiple afterburning bolts 6 is set, and can make sealing blind 4 and afterburning flange 3 uniform stresseds.
The plastic water supply pipe road pipe end sealing structure for pressure test of the present embodiment, be fixedly set in the fastening tenon part 2 on pressure testing pipe 1 by setting, utilize afterburning bolt 6 afterburning flange 3 and sealing blind 4 can be strained and fixed, and the pressure of sealing gasket 5 shutoff pressure testing pipe 1 pipe ends is provided, finally realize the shutoff of pressure testing pipe 1 pipe end; Adopt the plastic water supply pipe road pipe end sealing structure for pressure test of the present embodiment, after pipeline pressure test completes, only each mechanical part need be pulled down, can not cause waste of material.
Further, the plastic water supply pipe road pipe end sealing structure for pressure test of the present embodiment also comprises and is arranged on the liner 7 for preventing that pressure testing pipe 1 is out of shape in pressure testing pipe 1, the liner 7 of the present embodiment is cylindric and is fixedly mounted on sealing blind 4, by liner 7 is set, can effectively avoids pressure testing pipe 1 under the pressure-acting of fastening tenon part 2 and deformation occurs.The sealing blind 4 of the present embodiment is provided with the outer banded penstock I 8 that internal diameter is greater than pressure testing pipe 1 external diameter, and sealing gasket 5 is fixedly installed between liner 7 and outer banded penstock I 8, can improve sealing effect by the amount of deformation that limits sealing gasket 5.As shown in Figure 3, by outer banded penstock I 8 is set, in the time there is the fortuitous event that pressure testing pipe 1 pipe end sealing was lost efficacy, the outer jetting outer banded penstock I 8 of flowing through turns to, impact force action is on fastening tenon part 2 and afterburning flange 3, be subject to the impact of afterburning bolt 6 to make to liquidate and reduce, can offset the outside impulse force of sealing blind 4, prevent that sealing blind 4 is rushed to open and prevents that the outer current of penetrating from wounding staff.
Preferably, fastening tenon part 2 splits are set at least two lobe tenon part unit 2a, between adjacent two lobe tenon part unit 2a, are provided with bolt connecting base 9, are set at least two lobes by fastening tenon part 2 splits, can be convenient for assembly, the fastening tenon part 2 of the present embodiment is set to two lobes.
embodiment two
As shown in Figure 4, seal structure for pressure test embodiment two structural representation for the utility model plastic water supply pipe road pipe end.The plastic water supply pipe road pipe end sealing structure for pressure test of the present embodiment, comprises the fastening tenon part 2 that is fixedly set on pressure testing pipe 1, is sleeved on pressure testing pipe 1 and is positioned at fastening tenon part 2 away from the afterburning flange 3 of pressure testing pipe 1 end one side with for the pipe end locking device of shutoff pressure testing pipe 1 end.Pipe end locking device comprises sealing blind 4, and sealing blind 4 is provided with the sealing gasket 5 for sealing pressure testing pipe 1 pipe end, and between sealing blind 4 and afterburning flange 3, is provided with the afterburning bolt 6 for sealing gasket 5 being pressed abd fixed on to pressure testing pipe 1 pipe end.Preferably, annular is uniform is set at least three for afterburning bolt 6, and the afterburning bolt 6 of the present embodiment is set to 4, by annular is uniform multiple afterburning bolts 6 is set, and can make sealing blind 4 and afterburning flange 3 uniform stresseds.
The outer circumferential face of the fastening tenon part 2 of the present embodiment is the diminishing conical surface of direction that points to afterburning flange 3 along stressed blind plate 4, afterburning flange 3 is provided with for being sleeved on the central through bore on pressure testing pipe 1, the inwall of central through bore is the conical surface equating with outer circumferential face cooperation and the tapering of fastening tenon part 2, adopt fastening tenon part 2 and the afterburning flange 3 of this structure, in the time tightening afterburning bolt 5, afterburning flange 3 is subject to the pressure that presses to fastening tenon part 2 that afterburning bolt 5 applies, pass through tapered face fit structure, not only can limit afterburning flange 3 moves along the axial direction of pressure testing pipe 1, and afterburning flange 3 can also be pressed abd fixed on fastening tenon part 2 on pressure testing pipe 1, prevent that fastening tenon part 2 is loosening.Preferably, fastening tenon part 2 splits are set at least two lobe tenon part unit 2a, between adjacent two lobe tenon part unit 2a, are provided with bolt connecting base 9, are set at least two lobes by fastening tenon part 2 splits, can be convenient for assembly, the fastening tenon part 2 of the present embodiment is set to two lobes.
Other structures of the present embodiment are identical with embodiment one, no longer one by one tired stating.
embodiment three
As shown in Figure 5, seal structure for pressure test embodiment three structural representation for the utility model plastic water supply pipe road pipe end.The plastic water supply pipe road pipe end sealing structure for pressure test of the present embodiment, comprises the fastening tenon part 2 that is fixedly set on pressure testing pipe 1, is sleeved on pressure testing pipe 1 and is positioned at fastening tenon part 2 away from the afterburning flange 3 of pressure testing pipe 1 end one side with for the pipe end locking device of shutoff pressure testing pipe 1 end.Pipe end locking device comprises sealing blind 4, and sealing blind 4 is provided with the sealing gasket 5 for sealing pressure testing pipe 1 pipe end, and between sealing blind 4 and afterburning flange 3, is provided with the afterburning bolt 6 for sealing gasket 5 being pressed abd fixed on to pressure testing pipe 1 pipe end.Preferably, annular is uniform is set at least three for afterburning bolt 6, and the afterburning bolt 6 of the present embodiment is set to 4, by annular is uniform multiple afterburning bolts 6 is set, and can make sealing blind 4 and afterburning flange 3 uniform stresseds.
Further, the plastic water supply pipe road pipe end of the present embodiment sealing structure for pressure test also comprises and is arranged on the liner 7 for preventing that pressure testing pipe 1 is out of shape in pressure testing pipe 1.The liner 7 of the present embodiment comprises center-pole 10, being slidably matched is sleeved on two slide blocks 11 on center-pole 10 and at least two for supporting the support unit of pressure testing pipe 1 inwall.The support unit of the present embodiment comprises arc dunnage 12, the two ends of arc dunnage 12 are articulated and connected by two two hinge bars 13 and two slide blocks 11 respectively, and center-pole 10 is provided with the adjusting nut for regulating two slide block 11 positions, by regulating the position of two slide blocks 11, can regulate the support distances of making arc plate 12, this liner 7 goes for the support requirement of the pressure testing pipe 1 of not all right internal diameter size, and can prevent pressure testing pipe 1 stress deformation.Preferably, sealing blind 4 is provided with internal diameter and is greater than the internal baffle 14 that the outer banded penstock II of pressure testing pipe 1 external diameter and external diameter are less than pressure testing pipe internal diameter, sealing gasket 5 is fixedly installed between outer banded penstock II and internal baffle 14, can improve sealing effect by the amount of deformation that limits sealing gasket 5.Preferably, between internal baffle 14 and pressure testing pipe 1 inwall, be also provided with U-shaped seal ring 15, can improve sealing effect.
Other structures of the present embodiment are identical with the first embodiment, no longer one by one tired stating.
Finally explanation is, above preferred embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is described in detail by above preferred embodiment, but those skilled in the art are to be understood that, can make various changes to it in the form and details, and not depart from the utility model claims limited range.

Claims (10)

1. a plastic water supply pipe road pipe end sealing structure for pressure test, is characterized in that: comprise the fastening tenon part that is fixedly set on pressure testing pipe, be sleeved on described pressure testing pipe and be positioned at described fastening tenon part away from the afterburning flange of pressure testing pipe end one side with for the pipe end locking device of shutoff pressure testing pipe end; Described pipe end locking device comprises sealing blind, described sealing blind is provided with the sealing gasket for sealing pressure testing pipe pipe end, and is provided with the afterburning bolt for described sealing gasket being pressed abd fixed on to pressure testing pipe pipe end between described sealing blind and described afterburning flange.
2. plastic water supply pipe according to claim 1 road pipe end sealing structure for pressure test, is characterized in that: also comprise and being arranged in pressure testing pipe for preventing the liner of pressure testing pipe distortion.
3. plastic water supply pipe according to claim 2 road pipe end sealing structure for pressure test, is characterized in that: described liner is cylindric and is fixedly mounted on described sealing blind.
4. plastic water supply pipe according to claim 3 road pipe end sealing structure for pressure test, is characterized in that: described sealing blind is provided with the outer banded penstock I that internal diameter is greater than pressure testing pipe external diameter.
5. plastic water supply pipe according to claim 4 road pipe end sealing structure for pressure test, is characterized in that: described sealing gasket is fixedly installed between described liner and described outer banded penstock I.
6. plastic water supply pipe according to claim 2 road pipe end sealing structure for pressure test, is characterized in that: described liner comprises center-pole, being slidably matched is sleeved on two slide blocks on described center-pole and at least two for supporting the support unit of pressure testing pipe inwall; Described support unit comprises arc dunnage, and the two ends of described arc dunnage are articulated and connected by two two hinge bars and two described slide blocks respectively, and described center-pole is provided with the adjusting nut for regulating two described slide positions.
7. plastic water supply pipe according to claim 6 road pipe end sealing structure for pressure test, it is characterized in that: described sealing blind is provided with internal diameter and is greater than the internal baffle that the outer banded penstock II of pressure testing pipe external diameter and external diameter are less than pressure testing pipe internal diameter, and described sealing gasket is fixedly installed between described outer banded penstock II and internal baffle.
8. plastic water supply pipe according to claim 7 road pipe end sealing structure for pressure test, is characterized in that: between described internal baffle and pressure testing pipe inwall, be also provided with U-shaped seal ring.
9. plastic water supply pipe according to claim 1 road pipe end sealing structure for pressure test, is characterized in that: the outer circumferential face of described fastening tenon part is the diminishing conical surface of direction that points to described afterburning flange along described sealing blind; Described afterburning flange is provided with for being sleeved on the central through bore on pressure testing pipe, and the inwall of described central through bore is the conical surface equating with outer circumferential face cooperation and the tapering of described fastening tenon part.
10. plastic water supply pipe according to claim 9 road pipe end sealing structure for pressure test, is characterized in that: the split of described fastening tenon part is set at least two lobe tenon part unit, is provided with bolt connecting base described in adjacent two lobes between tenon part unit.
CN201420039493.5U 2014-01-22 2014-01-22 Pipe end sealing and pressure testing tool of plastic water feeding pipeline Expired - Fee Related CN203743714U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420039493.5U CN203743714U (en) 2014-01-22 2014-01-22 Pipe end sealing and pressure testing tool of plastic water feeding pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420039493.5U CN203743714U (en) 2014-01-22 2014-01-22 Pipe end sealing and pressure testing tool of plastic water feeding pipeline

Publications (1)

Publication Number Publication Date
CN203743714U true CN203743714U (en) 2014-07-30

Family

ID=51343515

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420039493.5U Expired - Fee Related CN203743714U (en) 2014-01-22 2014-01-22 Pipe end sealing and pressure testing tool of plastic water feeding pipeline

Country Status (1)

Country Link
CN (1) CN203743714U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104832743A (en) * 2015-05-28 2015-08-12 苏州热工研究院有限公司 Blind flange
CN105928672A (en) * 2016-07-15 2016-09-07 中国二十二冶集团有限公司 Detachable driving device assembly for large-diameter thermal pipeline
CN106595962A (en) * 2016-12-09 2017-04-26 重庆大江工业有限责任公司 Vehicle pipeline blockage apparatus
CN108871941A (en) * 2018-08-15 2018-11-23 招商局重工(江苏)有限公司 A kind of structure for pressure test of pipe fitting
CN110702396A (en) * 2019-10-28 2020-01-17 中船黄埔文冲船舶有限公司 Pressure test tool for fin stabilizer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104832743A (en) * 2015-05-28 2015-08-12 苏州热工研究院有限公司 Blind flange
CN105928672A (en) * 2016-07-15 2016-09-07 中国二十二冶集团有限公司 Detachable driving device assembly for large-diameter thermal pipeline
CN106595962A (en) * 2016-12-09 2017-04-26 重庆大江工业有限责任公司 Vehicle pipeline blockage apparatus
CN108871941A (en) * 2018-08-15 2018-11-23 招商局重工(江苏)有限公司 A kind of structure for pressure test of pipe fitting
CN110702396A (en) * 2019-10-28 2020-01-17 中船黄埔文冲船舶有限公司 Pressure test tool for fin stabilizer
CN110702396B (en) * 2019-10-28 2021-08-20 中船黄埔文冲船舶有限公司 Pressure test tool for fin stabilizer

Similar Documents

Publication Publication Date Title
CN203743714U (en) Pipe end sealing and pressure testing tool of plastic water feeding pipeline
CN203743715U (en) Blockage and pressure testing device of plastic water feeding pipeline
CN202580030U (en) Bud-shaped sealing ring
CN203948828U (en) A kind of connection part of blanking channel
CN204004889U (en) A kind of pipe connecting device
CN203245532U (en) Metal liner device for pipeline welding
CN202392330U (en) Expansion device for sleeve
CN204546024U (en) A kind of valve flange grinding and fixing device for drilling
CN201810916U (en) Connecting head for pipe orifice
CN203061237U (en) Clamping device of mill cylinder lining board
DE202015002284U1 (en) Mechanical pipe plug abutment
CN201786642U (en) Hydraulic bonnet for diaphragm pump
CN203317331U (en) Disassembling tool for check valves of homogenizers
CN104455100A (en) Automobile brake fluid discharging device
CN202532023U (en) Pipe clamp
CN205745843U (en) Temporary pipeline plugging device
CN204176042U (en) A kind of high pressure water tubular type one-way valve
CN203717537U (en) Leaking oil pipe component with hinging joint seat
CN204213542U (en) Clamp band type plugging apparatus for pipe end
CN202629395U (en) Flange for welded seal
CN203866707U (en) Bridge inhaul cable vibration damper
CN203880403U (en) Temperature gauge for petrochemical pump valve mechanical seal flushing system
CN103352463B (en) Screwed pipe joint reinforcing cage jiont treatment regulating error device and method
CN203673915U (en) Rectangular pipe orifice plug board sealing structure of transformer
CN205938178U (en) Pipeline thimble that takes precautions against earthquakes

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140730

Termination date: 20170122

CF01 Termination of patent right due to non-payment of annual fee