CN208366712U - A kind of plastic pipe pressure test fixture - Google Patents
A kind of plastic pipe pressure test fixture Download PDFInfo
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- CN208366712U CN208366712U CN201821099370.5U CN201821099370U CN208366712U CN 208366712 U CN208366712 U CN 208366712U CN 201821099370 U CN201821099370 U CN 201821099370U CN 208366712 U CN208366712 U CN 208366712U
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Abstract
The utility model relates to tubing pressure test detection technique fields, and in particular to a kind of plastic pipe pressure test fixture；Including pedestal, clamp body and flange, clamp body is fixedly clamped therebetween by flange and pedestal, above-mentioned clamp body includes the first sealing ring, the first pressing ring, the second sealing ring and the second pressing ring, above-mentioned first sealing ring is between test specimen and the end face of pedestal, above-mentioned first pressing ring is pressed on the first sealing ring, the end of first pressing ring and test specimen contact surface is provided with the first groove, above-mentioned second sealing ring is arranged in the first groove, above-mentioned second pressing ring is pressed on the second sealing ring, is fixedly connected between the first pressing ring and the second pressing ring；It overcomes single position to be fixedly clamped, sealing intensity is low, the defect of easy-to-leak liquid；The case where dual-seal clamping structure being arranged by end cap end face and sample side wall keeps the compressive resistance of fixture entirety high, and sealing performance is high, is not in leakage during pressure test, guarantee being normally carried out for detection test.
Description
Technical field
The utility model relates to tubing pressure test detection technique fields, and in particular to a kind of plastic pipe pressure-resistant experiment clip
Tool.
Background technique
According to the rule of the measuring method of thermoplastic plastic pipe damage-resistant time " GB/T6111-2003 fluid conveying with "
Fixed, two end covers of A plastic tubing pressure resistance fixture are not connected with each other, and the fixture at subject tubing both ends must be examination
Sample firm grip, the tension and thrust of high-pressure medium are undertaken by the fixture at sample and both ends completely in sample, once fixture is to examination
The clamping of sample is not firm enough, and sample will be deviate from from fixture, and test is caused to interrupt, destructive test equipment, or even causes the person
Injury.Therefore fixture must be firm to the clamping of sample, facilitates operation.
Fixture in the prior art mainly includes clamping rack and two kinds of flange plate type.Rack is clamped, is often cased with two
A fixture is respectively placed in the both ends of sample, and wherein the fixture of side is equipped with ready-packaged joint, communicates with test(ing) medium, the folder of the other side
Tool is equipped with exhaust valve, and sealing means, clamping structure and the clamping rack and the connection type of clamp body of both ends fixture are all identical
's；Flange plate type, every set include the both ends that two kinds of fixtures are respectively placed in sample, and wherein the fixture of side is equipped with ready-packaged joint and row
Air valve is communicated with test(ing) medium, the fixture of the other side be it is closed, the fixture at both ends is in sealing means, clamping structure and flange
The connection type of disk and clamp body is identical.
But no matter which kind of above-mentioned fixture, be either sealed clamping in the end face of end cap and sample, or
Sealed clamping is carried out on sample side wall, single position is fixedly clamped, and sealing intensity is low.Detect test when, often because
Sealing loosely, lead to leakage at end cap, it is difficult to continue detection test, influence test be normally carried out and accuracy.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of plastic pipe pressure-resistant experiment clips
Tool, overcomes single position and is fixedly clamped, sealing intensity is low, the defect of easy-to-leak liquid；It is set by end cap end face and sample side wall
The dual-seal clamping structure set keeps the compressive resistance of fixture entirety high, and sealing performance is high, is not in during pressure test
The case where leakage, guarantees being normally carried out for detection test.
The purpose of this utility model is achieved through the following technical solutions:
A kind of plastic pipe pressure test fixture, including pedestal, clamp body and flange, the flange and pedestal are by clamp body
It is fixedly clamped therebetween, the clamp body includes the first sealing ring, the first pressing ring, the second sealing ring and the second pressing ring, institute
The first sealing ring is stated between test specimen and the end face of pedestal, first pressing ring is pressed on the first sealing ring, and described first
The end of pressing ring and test specimen contact surface is provided with the first groove, and second sealing ring is arranged in the first groove, and described second
Pressing ring is pressed on the second sealing ring, is fixedly connected between first pressing ring and the second pressing ring.
By using above-mentioned technical proposal, the first sealing ring is set between test specimen and pedestal end face, and is pressed with the first pressing ring,
The sealing of pedestal endface is fixed in realization；The setting of second sealing ring and the second pressing ring ensure that base wall and test specimen side wall
Between leakproofness；Dual-seal fastening, enhances the overall structural strength and sealing performance of fixture；It, will by flange and pedestal
Clamp body is fixedly clamped, and further enhances the overall structural strength and stability of fixture.
Preferably, being provided with the second groove on the pedestal, first sealing ring is arranged in the second groove, and
Between the left side cell wall and test specimen outer wall of the second groove.
By using above-mentioned technical proposal, the side wall of test piece end is stuck in the second groove, the second groove side with pedestal
The first sealing ring is sealed up between wall, guarantees that clamping securely, will not make test specimen during resistance test between test specimen and pedestal, because
The reason of pressure and sideslip, lead to leakage, influence to detect.
Preferably, being provided with third sealing ring in second groove, third sealing ring is located at the inner wall and of test specimen
Between the right side cell wall of two grooves.
By using above-mentioned technical proposal, third sealing ring is firmly sealed in pedestal together with the first sealing ring, by test specimen
The second groove in, further increase the clamping between test specimen and pedestal and sealing intensity.
Preferably, the inner wall of second pressing ring is provided with hangnail.
By using above-mentioned technical proposal, when clamping, hangnail is inserted into test specimen outer wall, to clamp test specimen, guarantees folder
Specifically during the test with test specimen, relative displacement does not occur, guarantee test operates normally.
Preferably, being clamped with gripping block between second pressing ring and flange；Described gripping block one end is matched with flange
Clamping, the other end match clamping with the second pressing ring.
By using above-mentioned technical proposal, gripping block one end matches clamping, the other end and the second pressing ring with the boss of flange
Matching clamping；On the one hand, have and clamp the second pressing ring, guarantee the effect of the second sealing ring tightness energy；On the other hand, by fixture
Body and flange are clamped, and enhance the overall structural strength of fixture.
Preferably, the contact face with test specimen is inner conical surface on second pressing ring；In the gripping block, with second
The contact surface of pressing ring is male cone (strobilus masculinus)；The inner conical surface of second pressing ring is mutually matched with the male cone (strobilus masculinus) of gripping block to be docked.
Both by using above-mentioned technical proposal, the second pressing ring matches clamping by interior male cone (strobilus masculinus) with gripping block, improve
It is clamped area, to improve the intensity of clamping sealing；Since card access surface and the conical surface all axially extend, when pressure test is examined
When survey, the conical surface mutual extrusion of two axial directions further improves tightness between the two.
Preferably, the inner wall of the gripping block is provided with hangnail.
By using above-mentioned technical proposal, while above-mentioned two axial conical surface mutual extrusion, gripping block inner wall is fallen
Thorn insertion test specimen outer wall is further ensured that clamp body and test specimen during the test to clamp test specimen, and opposite position does not occur
It moves, guarantee test operates normally.
Preferably, first pressing ring and the second pressing ring are fastened by high-strength bolt；The flange passes through with pedestal
High-strength bolt fastening, and pressing clip is specific.
By using above-mentioned technical proposal, the first pressing ring and the second pressing ring are fastened, and combine the first sealing ring and the second sealing
Circle, obtains clamp body；Flange and base pinch are mounted in upper and lower ends, and pressing clip is specific；The method of the clamp body of fastening and both ends fastening
Blue and base engagement obtains the fixture of stable structure and high intensity.
Preferably, test specimen is fastened between two pedestals by two groups of fixtures；The base outer wall of test specimen one end is provided with fastly
The base outer wall of changing-over head, the other end is provided with exhaust valve.
By using above-mentioned technical proposal, exhaust valve is used to for the air in test specimen being discharged；Quick-release connector be used to connect to
Filled media and the high-voltage tube to pressurize in test specimen, quick-release connector is easy to loading and unloading.
In conclusion the utility model has the following beneficial effects:
First sealing ring is set between test specimen and pedestal end face, and is pressed with the first pressing ring, is realized to the close of pedestal endface
Sealing is fixed；The setting of second sealing ring and the second pressing ring ensure that the leakproofness between base wall and test specimen side wall；Dual-seal
Fastening, enhances the overall structural strength and sealing performance of fixture；First pressing ring compresses the first sealing ring, and the first sealing ring is clamped in
In second groove of pedestal；Second pressing ring compresses the second sealing ring, and the second sealing ring is clamped in the first pressing ring；Second pressing ring with
First pressing ring is bolted fastening, the second pressing ring and clamping Block- matching clamping, forms clamp body；Gripping block and flange clamping are tight
Gu flange connect fastening with bolt of lower base, clamp body is fixedly clamped；The overall structure of fixture is stablized, and leakproofness is high.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram of the utility model；
Fig. 2 is the schematic diagram of the section structure of the utility model；
Fig. 3 is the partial enlarged view in the portion A in Fig. 2.
Appended drawing reference: 1, pedestal；2, test specimen；3, exhaust valve；4, quick-release connector；5, flange；6, high-strength bolt；7, second
Groove；8, third sealing ring；9, the first sealing ring；10, the first pressing ring；11, the first groove；12, the second sealing ring；13, second
Pressing ring；14, gripping block；15, third groove；16, hangnail.
Specific embodiment
The utility model create description in, it is to be understood that term " center ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of the creation of description the utility model and simplifies description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.
A kind of plastic pipe pressure test fixture, as shown in Figure 1, every sleeve clamp includes upper and lower two pedestals 1, two pedestals
1 fastens test specimen 2 therebetween；The 1 outer wall top of pedestal of upper end is provided with exhaust valve 3,1 outer wall lower end of the pedestal peace of lower end
Equipped with quick-release connector 4；It is fastened between pedestal 1 and flange 5 by high-strength bolt 6, and therebetween by clamp body fastening.
As shown in Fig. 2, being provided with the second groove 7 on 1 inner wall of pedestal, the second groove 7 locks the end face of test specimen 2 in it
Portion, and the first sealing ring 9 of the O shape by 2 outer exterior wall of third sealing ring 8 and test specimen of the O shape of 2 inner wall of test specimen, will
The face clamping of test specimen 2 is sealed in the second groove 7.First sealing ring 9 is between test specimen 2 and the end face of pedestal 1, by first
Pressing ring 10 is pressed in pedestal 1.
As shown in Figures 2 and 3, the end of the first pressing ring 10 and 2 contact surface of test specimen, is provided with the first groove 11, first is recessed
The second sealing ring 12 of O shape is clamped in slot 11；Second sealing ring 12 is pressed in the first groove 11 by the second pressing ring 13.First
It is fastenedly connected between pressing ring 10 and the second pressing ring 13 by high-strength bolt 6；Clamping is clamped between second pressing ring 13 and flange 5
Block 14, gripping block 14 include the flat face contacted with test specimen 2, the male cone (strobilus masculinus) contacted with the second pressing ring 13, and contacted with flange 5
Concordant face, the position corresponding with gripping block 14 of flange 5 offer third groove 15, the part that gripping block 14 is docked with flange 5
With being connected in third groove 15.On second pressing ring 13, the end face with the contact surface of test specimen 2 is inner conical surface；In gripping block 14, with
The contact surface of second pressing ring 13 is male cone (strobilus masculinus)；The inner conical surface of second pressing ring 13 is mutually matched with the male cone (strobilus masculinus) of gripping block 14 to be docked.
On the straight inner wall that second pressing ring 13 is contacted with test specimen 2, it is provided with hangnail 16；Hangnail 16 is provided on the inner wall of gripping block 14.
The plastic pipe pressure test fixture of the utility model, installation method are specific as follows:
The third sealing ring 8 of O shape is sleeved on the cylinder table between the second groove 7 of pedestal 1；Wherein, third seals
The internal diameter of circle 8 is less than the diameter of cylinder table, is clamped on third sealing ring 8 inside second groove 7；The end sleeve of test specimen 2 is existed
In second groove 7, the outside of third sealing ring 8；The first sealing ring 9, the internal diameter of the first sealing ring 9 are set in the outside of test specimen 2
Less than the outer diameter of test specimen 2, make the first sealing ring 9 by 2 clamping of test specimen；First sealing ring 9 and third sealing ring 8 are arranged at second
In groove 7；The first sealing ring 9 is compressed with the first pressing ring 10, and clamping second sealing in the first groove 11 of the first pressing ring 10
Circle 12, the internal diameter of the second sealing ring 12 are less than the outer diameter of test specimen 2；Second sealing ring 12 is compressed with the second pressing ring 13, use is high-strength
Bolt 6 is spent, is installed being fastened between the first pressing ring 10 and the second pressing ring 13；It will be in 14 male cone (strobilus masculinus) of gripping block and the second pressing ring 13
Conical surface matching is inserted into 13 inside of the second pressing ring, and the other end matching of gripping block 14 is connected in the third groove 15 of flange 5；
Flange 5 and pedestal 1 are securedly mounted to together with high-strength bolt 6；During tightening, the second pressing ring 13 and gripping block 14
The hangnail 16 of inner wall, is inserted into test specimen 2, guarantees that in the detection process, relative displacement does not occur for test specimen 2 and clamp body.
Aforesaid operations are repeated, the fastening installation between the pedestal 1, clamp body and flange 5 of 2 other end of test specimen is completed.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (9)
1. a kind of plastic pipe pressure test fixture, it is characterised in that: it includes pedestal (1), clamp body and flange (5), described
Clamp body is fixedly clamped therebetween by flange (5) and pedestal (1), and the clamp body includes the first sealing ring (9), the first pressure
Circle (10), the second sealing ring (12) and the second pressing ring (13), first sealing ring (9) are located at the end of test specimen (2) Yu pedestal (1)
Between face, first pressing ring (10) is pressed on the first sealing ring (9), first pressing ring (10) and test specimen (2) contact surface
End be provided with the first groove (11), second sealing ring (12) setting is in the first groove (11), second pressing ring
(13) it is pressed on the second sealing ring (12), is fixedly connected between first pressing ring (10) and the second pressing ring (13).
2. plastic pipe pressure test fixture according to claim 1, it is characterised in that: be provided on the pedestal (1)
Second groove (7), the first sealing ring (9) setting are located at the left side groove of the second groove (7) in the second groove (7)
Between wall and test specimen (2) outer wall.
3. plastic pipe pressure test fixture according to claim 2, it is characterised in that: set in second groove (7)
It is equipped with third sealing ring (8), third sealing ring (8) is located between the inner wall of test specimen (2) and the right side cell wall of the second groove (7).
4. plastic pipe pressure test fixture according to claim 1, it is characterised in that: second pressing ring (13) it is interior
Wall is provided with hangnail (16).
5. plastic pipe pressure test fixture according to claim 1, it is characterised in that: second pressing ring (13) and method
Gripping block (14) are clamped between blue (5)；Described gripping block (14) one end matches clamping, the other end and the second pressure with flange (5)
Enclose (13) matching clamping.
6. plastic pipe pressure test fixture according to claim 5, it is characterised in that: on second pressing ring (13),
Contact face with test specimen (2) is inner conical surface；On the gripping block (14), the contact surface with the second pressing ring (13) is male cone (strobilus masculinus)；
The inner conical surface of second pressing ring (13) is mutually matched with the male cone (strobilus masculinus) of gripping block (14) to be docked.
7. plastic pipe pressure test fixture according to claim 5, it is characterised in that: the inner wall of the gripping block (14)
It is provided with hangnail (16).
8. plastic pipe pressure test fixture according to claim 1, it is characterised in that: first pressing ring (10) and the
Two pressing rings (13) are fastened by high-strength bolt (6)；The flange (5) and pedestal (1) are fastened by high-strength bolt (6), and
Pressing clip is specific.
9. plastic pipe pressure test fixture according to claim 1, it is characterised in that: test specimen is fastened on by two groups of fixtures
Between two pedestals (1)；Pedestal (1) outer wall of test specimen (2) one end is provided with quick-release connector (4), pedestal (1) outer wall of the other end
It is provided with exhaust valve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821099370.5U CN208366712U (en) | 2018-07-11 | 2018-07-11 | A kind of plastic pipe pressure test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821099370.5U CN208366712U (en) | 2018-07-11 | 2018-07-11 | A kind of plastic pipe pressure test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208366712U true CN208366712U (en) | 2019-01-11 |
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ID=64925163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821099370.5U Active CN208366712U (en) | 2018-07-11 | 2018-07-11 | A kind of plastic pipe pressure test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208366712U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018043A (en) * | 2019-03-20 | 2019-07-16 | 哈尔滨建成集团有限公司 | A kind of special fixture for both ends screw thread tube kind part hydraulic test |
| CN110595876A (en) * | 2019-10-19 | 2019-12-20 | 沈阳仪表科学研究院有限公司 | Metal corrugated pipe expansion joint pressure resistance test device and test method for falling film pipe |
-
2018
- 2018-07-11 CN CN201821099370.5U patent/CN208366712U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018043A (en) * | 2019-03-20 | 2019-07-16 | 哈尔滨建成集团有限公司 | A kind of special fixture for both ends screw thread tube kind part hydraulic test |
| CN110595876A (en) * | 2019-10-19 | 2019-12-20 | 沈阳仪表科学研究院有限公司 | Metal corrugated pipe expansion joint pressure resistance test device and test method for falling film pipe |
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