CN207830819U - A kind of tubing pressure test end sealing device - Google Patents
A kind of tubing pressure test end sealing device Download PDFInfo
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- CN207830819U CN207830819U CN201721827419.XU CN201721827419U CN207830819U CN 207830819 U CN207830819 U CN 207830819U CN 201721827419 U CN201721827419 U CN 201721827419U CN 207830819 U CN207830819 U CN 207830819U
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- pressure test
- sealing device
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- sample
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Abstract
The utility model belongs to material property detection technique field.Sample inner surface reaches sealing using rubber o-ring is compressed, and sample outer surface meets pressure-resistant seal requirement using furan petal slfactuating latch is breathed out.Using double nip water inlet form, waterflood injection rate is improved.The utility model is related to tubing pressure test end sealing device, including be made of sample, sealing mechanism, retaining mechanism, it is characterised in that:The sealing mechanism is that core bar (3) is matched with O-ring (4), and pressure ring (5) is mounted on core bar (3);Clamping screw (8) connect and locks with cover board (6), core bar (3).The sealing device, sealing effect is good, reasonable for structure, and is easily installed dismounting.Waterflood injection rate is fast, significantly shortens the test period.Suitable for tubing pressure test, especially suitable for large-bore plastics or composite material pipe pressure test.
Description
Technical field
The utility model belongs to material property detection technique field, is related to material pressure resistance performance detection technique, more particularly to
Thermoplastic plastic pipe pressure test.
Background technology
Plastics or composite material are widely used in the fields such as industry, building with its excellent performance, are mainly used for liquid conveying,
Its internal pressure is one of the important indicator of detection.
GB/T 6111-2003《Liquid conveying thermoplastic plastic pipe internal pressure-resistant test method》Middle regulation arbitration test
A type seal nipples, feature is selected to be sealed for free end, two seal nipples are not connected with each other.Sample and connector, plug phase
Connection, using single interface water inlet form, as shown in Figure 1.
When being connected using the structure, sample outer surface is difficult to realize fix, and easily loosens;Since plastic pipe concentricity causes
Tolerance it is big, coordinate low precision, the shortcomings of inner surface poor sealing.
Invention content
The purpose of this utility model is to provide a kind of plastics or composite material pressure test sealing structures, improve pressure resistance
The reliability of performance detection tooling.
The purpose of this utility model is achieved in that sample inner surface reaches sealing, sample using rubber o-ring is compressed
Outer surface meets pressure-resistant seal requirement using furan petal slfactuating latch is breathed out.Using double nip water inlet form, water filling speed is improved
Degree.
The utility model is related to tubing pressure test end sealing device, including by sample, sealing mechanism, locking machine
Structure forms, it is characterised in that:The sealing mechanism is that core bar 3 is matched with O-ring 4, and pressure ring 5 is mounted on core bar 3;Locking screw
Bolt 8 connect and locks with cover board 6, core bar 3.Structure is as shown in Fig. 2.
The utility model is related to tubing pressure test end sealing device, by sample, sealing mechanism, retaining mechanism group
At, it is characterised in that:It breathes out 11 inner surface of furan petal and is packed into rubber slab 10, be in contact with 1 outer surface of sample and end;Die sleeve 9 fills
Enter to breathe out in furan petal 11, structure is as shown in Fig. 2.
The utility model is related to tubing pressure test end sealing device, by sample, sealing mechanism retaining mechanism group
At, it is characterised in that:Pull rod 12 is embedded in the rectangular channel of die sleeve 9, and blending bolt 13 is fastened with cover board 6.Structure such as 3 institute of attached drawing
Show.
The utility model is related to tubing pressure test end sealing device, by sample, sealing mechanism, retaining mechanism group
At, it is characterised in that:Through-hole built in the clamping screw 8.
The utility model is related to tubing pressure test end sealing device, sealing effect is good, reasonable for structure, and is convenient for
Installing and dismounting.Waterflood injection rate is fast, significantly shortens the test period.Suitable for tubing pressure test, especially suitable for large-bore plastics
Or composite material pipe pressure test.
Description of the drawings
Fig. 1 GB/T 6111-2003 recommend A type flange sealing joint structural schematic diagrams
Fig. 2 the utility model is related to use end sealing device sealed structural representation
Fig. 3 the utility model is related to end sealing device structural schematic diagram
Fig. 4 the utility model is related to use end sealing device assembly structure diagram
Wherein:1- samples, 2- connectors, 3- core bars, 4-O type circles, 5- pressure rings, 6- cover boards, 7- locking nuts, 8- locking screws
Bolt, 9- die sleeves, 10- rubber slabs, 11- breathe out furan valve, 12- pull rods, 13- bolts.
Specific implementation mode
Below by plastic pipe for Withstand test device to the utility model is related to technical solution carry out specifically
It is bright, but not as to the utility model is related to technical solution limitation.It is any based on the utility model is related to technical solutions to set
The experimental rig of meter constitutes the part of the utility model.
With a kind of internal diameter 71mm, for the hard PVC hydraulic pipe experiment of outer diameter 75mm, seal plug includes core
Bar, O-ring, pressure ring, cover board, locking nut, clamping screw at seal assembly and by rubber slab, breathe out furan petal, die sleeve, pull rod
With the locking assembly of bolt composition, structure such as attached drawing 3.
Core bar is step structure, and total height 50mm, outer diameter is respectively 71mmmm, 60mm, step height 10mm, center bore
12mm, depth 35mm, the other end are M20mm threaded holes;
O-ring specification is 61mm × 5mm;
Pressure ring length is 50mm, outer diameter 71mm, internal diameter 61mm;
Cover board 145mm, width 40mm, thickness 15, both ends keyway length are 23mm, width 9mm, and central through hole is straight
Diameter is 21mm;
Clamping screw length is 110mm, and the both ends processing M20mm length is respectively the external screw thread of 64mm, 15mm, built-in diameter
The through-hole of 10mm is as water inlet;Match fastening bolt.
By core bar, O-ring, pressure ring combination, cover board both sides are split with water supply connector, water supply connector water outlet screws in core bar spiral shell
Pit is fixed to obtain seal assembly by fastening bolt.
Rubber slab length is 122mm, width 60mm, thickness 2mm;
Furan petal wedge structure is breathed out, total height 65mm, internal diameter 79mm, outer diameter suitable for reading are 88mm, and the outer surfaces Xia Kou are oblique
Angle is 85 degree;
Die sleeve height is 53mm, outer diameter 109mm, internal diameter 87mm, and step height 7mm, inner surface oblique angle is 85 degree,
There are keyway, length 17mm, width 15mm, depth 6mm, inclination angle 50 in outer surface;
L-type drawbar height is 40mm, width 21mm, thickness 15mm, and short side inclination angle is 50, long side end face center screw thread
M8 is symmetrically placed in pressing plate both sides.
In use, tubing one end to be measured is sleeved on seal assembly, rubber slab is wrapped, a pair breathes out the big mouth of furan petal and is placed in lid
Close up on plate, external die sleeve, L-type pull rod is used in combination to lock one end sealing for completing tubing by bolt.
Same sealing structure may be used in the other end, can also use the clamping screw without centre bore, be only used for locking.
Mounted sealing device is connected by clamping screw with tap water and fills water, closes Water filling valve;It is same logical
It crosses clamping screw to connect with hydrostatic testing machine interface, carries out the water pressure test.
Claims (4)
1. a kind of tubing pressure test end sealing device, including be made of sample, sealing mechanism, retaining mechanism, feature
It is:The sealing mechanism is that core bar (3) is matched with O-ring (4), and pressure ring (5) is mounted on core bar (3);Clamping screw
(8), it connect and locks with cover board (6), core bar (3).
2. tubing pressure test end sealing device according to claim 1, it is characterised in that:It breathes out in furan petal (11)
Surface is packed into rubber slab (10), is in contact with sample (1) outer surface and end;Die sleeve (9), which is fitted into, to be breathed out in furan petal (11).
3. tubing pressure test end sealing device according to claim 2, it is characterised in that:Pull rod (12) is embedded in mould
In the rectangular channel for covering (9), blending bolt (13) is fastened with cover board (6).
4. according to claim tubing pressure test end sealing device described in 1~3 any one, it is characterised in that:
Through-hole built in the clamping screw (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721827419.XU CN207830819U (en) | 2017-12-25 | 2017-12-25 | A kind of tubing pressure test end sealing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721827419.XU CN207830819U (en) | 2017-12-25 | 2017-12-25 | A kind of tubing pressure test end sealing device |
Publications (1)
Publication Number | Publication Date |
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CN207830819U true CN207830819U (en) | 2018-09-07 |
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ID=63389133
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CN201721827419.XU Active CN207830819U (en) | 2017-12-25 | 2017-12-25 | A kind of tubing pressure test end sealing device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111337802A (en) * | 2020-04-20 | 2020-06-26 | 广州市思童电子科技有限公司 | Insulating rubber plate voltage resistance detection device |
CN111594693A (en) * | 2020-04-25 | 2020-08-28 | 哈尔滨锅炉厂有限责任公司 | Sealing device for pressure test tubular port |
CN110793723B (en) * | 2019-09-17 | 2022-02-01 | 浙江普阳深冷装备股份有限公司 | Hydraulic tool with balanced internal and external pressure and use method thereof |
CN115199852A (en) * | 2022-06-30 | 2022-10-18 | 亚达管道系统股份有限公司 | Non-welding sealing device for pipe orifice without flange |
-
2017
- 2017-12-25 CN CN201721827419.XU patent/CN207830819U/en active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110793723B (en) * | 2019-09-17 | 2022-02-01 | 浙江普阳深冷装备股份有限公司 | Hydraulic tool with balanced internal and external pressure and use method thereof |
CN111337802A (en) * | 2020-04-20 | 2020-06-26 | 广州市思童电子科技有限公司 | Insulating rubber plate voltage resistance detection device |
CN111337802B (en) * | 2020-04-20 | 2020-11-20 | 山东颐德电气设备工程有限公司 | Insulating rubber plate voltage resistance detection device |
CN111594693A (en) * | 2020-04-25 | 2020-08-28 | 哈尔滨锅炉厂有限责任公司 | Sealing device for pressure test tubular port |
CN111594693B (en) * | 2020-04-25 | 2022-02-22 | 哈尔滨锅炉厂有限责任公司 | Sealing device for pressure test tubular port |
CN115199852A (en) * | 2022-06-30 | 2022-10-18 | 亚达管道系统股份有限公司 | Non-welding sealing device for pipe orifice without flange |
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