CN202442852U - Conduit air tightness detection sealing device and conduit air tightness detection system - Google Patents

Conduit air tightness detection sealing device and conduit air tightness detection system Download PDF

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Publication number
CN202442852U
CN202442852U CN2012200153696U CN201220015369U CN202442852U CN 202442852 U CN202442852 U CN 202442852U CN 2012200153696 U CN2012200153696 U CN 2012200153696U CN 201220015369 U CN201220015369 U CN 201220015369U CN 202442852 U CN202442852 U CN 202442852U
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CN
China
Prior art keywords
pipeline
sealing
impermeability
packoff
detects
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CN2012200153696U
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Chinese (zh)
Inventor
江志伟
李永龙
梁景洲
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珠海格力电器股份有限公司
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Priority to CN2012200153696U priority Critical patent/CN202442852U/en
Application granted granted Critical
Publication of CN202442852U publication Critical patent/CN202442852U/en

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Abstract

The utility model provides a conduit air tightness detection sealing device and a conduit air tightness detection system and the conduit air tightness detection sealing device comprises an inner wall sealing assembly, an outer wall assembly and an auxiliary sealing device extruding the inner wall sealing assembly and the outer wall assembly with each other, wherein a gap is reserved between the inner wall sealing assembly and the outer wall assembly, and a to-be-detected conduit is inserted in the gap. The conduit air tightness detection system in the utility model at least comprises the aforementioned conduit air tightness detection sealing device arranged on one end of the to-be-detected conduit. The conduit air tightness detection system in the utility model seals inside and outside of ends of the conduit respectively by the inner wall sealing assembly and the outer wall assembly to seal a cavity in the conduit. The inner wall sealing assembly injects gas in the cavity of the conduit and detects the conduit air tightness by testing pressure variation of the inner cavity. The device and the system are convenient and practical and can improve test efficiency.

Description

The pipeline impermeability detects packoff and the airtight property detection system of pipeline

Technical field

The utility model relates to the pipe detection field, detects packoff and the airtight property detection system of pipeline in particular to a kind of pipeline impermeability.

Background technology

The drainpipe impermeability detects and is water inspection operation at present.Detection labour intensity is big, and production efficiency is low, and personnel operation is intensive.There is the check blind area simultaneously, causes quality of production fluctuation bigger than normal.And the water inspection not only need need be dried for drainpipe outside surface water, causes production efficiency low, goes back waste water resource simultaneously and causes water resource pollution.

The utility model content

The utility model aims to provide a kind of pipeline impermeability easy to operate, that detection efficiency is provided and detects packoff and the airtight property detection system of pipeline.

The utility model provides a kind of pipeline impermeability to detect packoff, comprising: inner wall sealing assembly and outer wall seal assembly, leave the gap between inner wall sealing assembly and the outer wall seal assembly, and pipe under test is plugged in the gap; And the auxiliary sealing device that makes inner wall sealing assembly and outer wall seal assembly mutual extrusion.

Further, the inner wall sealing assembly comprises the air injection opening that fixedly installs and is set in the inner wall sealing spare on the air injection opening; The outer wall seal assembly comprises the sealing shroud sleeve shaped outer wall seal inboard with being arranged on sealing shroud that fixedly installs; First end of sealing shroud is provided with inward flange, and an end of outer wall seal is connected on the inward flange, and second end of sealing shroud is the opening shape.

Further, the sealing servicing unit also comprises power source and is connected with power source and by the promotion cover of power source push-and-pull, promotes to be set in a side that also is arranged on the outer wall seal on the air injection opening movably.

Further, power source is cylinder or hydraulic cylinder or motor.

Further, air injection opening is provided with injecting hole, and the end of injecting hole is provided with the threaded portion that is used for fixing the injecting hole plug.

Further, the material of inner wall sealing spare and outer wall seal is rubber or silica gel.

The utility model also provides a kind of pipeline airtight property detection system, comprises that aforesaid pipeline impermeability detects packoff; The pipeline impermeability detects the end that packoff is arranged on pipe under test.

Further, the airtight property detection system of pipeline comprises that the pipeline impermeability of forming being provided with detect packoff more, and the pipe under test two ends are plugged on every pair of pipeline impermeability respectively and detect on the packoff and sealing.

Further, the injecting hole that is arranged on every pair of pipeline impermeability detection packoff at pipe under test two ends is interconnected through pipe under test, and forms closed cavity with the pipe under test inner chamber; The airtight property detection system of pipeline also comprises source of the gas and the solenoid valve of control source of the gas to the closed cavity air feed.

Further, the airtight property detection system of pipeline also comprises pressure-detecting device, pressure-detecting device and closed cavity conducting.

Further, the airtight property detection system of pipeline also comprises control device and display device, and the air pressure control electromagnetic valve that control device detects according to pressure-detecting device opens and closes and judges the impermeability state of pipe under test and on display device, show the impermeability state.

Pipeline impermeability according to the utility model detects packoff and the airtight property detection system of pipeline, through inner wall sealing assembly and the inboard and outer side seal to pipe end of outer wall seal assembly, makes the cavity sealing of pipe interior; The inner wall sealing assembly is to the inner gas injection of inner cavity of pipe; Pressure through the test inner chamber changes and detects the pipeline impermeability, and is convenient and practical, improves testing efficiency; Guarantee to detect quality, reduced the waste and the pollution of water resource simultaneously.In addition, the airtight property detection system of the pipeline of the utility model can detect the impermeability of self, confirmed that the impermeability of system is good after, detect operation again, the accuracy that the assurance system detects.

Description of drawings

The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:

Fig. 1 is the structural representation that detects packoff according to the pipeline impermeability of the utility model;

Fig. 2 is the structural representation according to the airtight property detection system of pipeline of the utility model; And

Fig. 3 is the pipeline air-tightness detection method process flow diagram according to the utility model.

Embodiment

Below with reference to accompanying drawing and combine embodiment to specify the utility model.

As depicted in figs. 1 and 2, the pipeline impermeability detection packoff according to the utility model comprises: inner wall sealing assembly 10 and outer wall seal assembly 20, leave the gap between inner wall sealing assembly 10 and the outer wall seal assembly 20, and pipe under test 40 is plugged in the gap; And the auxiliary sealing device 30 that is used for after pipe under test 40 is inserted in the gap, making inner wall sealing assembly 10 and outer wall seal assembly 20 mutual extrusion.Make inner wall sealing assembly and outer wall seal assembly mutual extrusion make the inboard and outer side seal of pipe end through auxiliary sealing device 30.

Preferably, inner wall sealing assembly 10 comprises the air injection opening 11 that fixedly installs and is set in the inner wall sealing spare 12 on the air injection opening 11 that outer wall seal assembly 20 comprises sealing shroud 21 that fixedly installs and the sleeve shaped outer wall seal 22 that is arranged on sealing shroud 21 inboards; Pipe under test 40 is plugged on the air injection opening 11, and inner wall sealing spare 12 and outer wall seal 22 lay respectively at the inboard and the outside of pipe under test 40.

More preferably, first end of sealing shroud 21 is provided with inward flange, and an end of outer wall seal 22 is connected on the inward flange, and second end of sealing shroud 21 is the opening shape.Make outer wall seal 22 compress the pipe under test outer wall through auxiliary sealing device 30 extruding outer wall seals 22; Pipe under test 40 inwalls are pressed on the inner wall sealing spare 12; Thereby pipe under test 40 inner cavitys are sealed, and the air injection opening 11 of inner wall sealing assembly is used for to the inner gas injection of inner cavity of pipe, changes through the pressure of testing inner chamber and detects the pipeline impermeability; Convenient and practical, improve testing efficiency.

Auxiliary sealing device 30 also comprises power source 31 and is connected with power source 31 and overlaps 32 by the promotion of power source 31 push-and-pulls; Promote the side that cover 32 is set on the air injection opening 11 and is arranged on outer wall seal 22 movably; Power source 31 promotes cover 32 extruding outer wall seals 22, outer wall seal 22 stress and deformations.Because 22 deformation laterally of sealing shroud 21 restriction outer wall seals, outer wall seal 22 is the extrusion pipe tube wall to the inside, and pipe wall is pressed on the inner wall sealing spare 12, and the interior outside of pipe wall all seals like this.When using two pipeline impermeability detection packoffs to be connected to pipe ends, inner cavity of pipe promptly can seal.Preferably, power source 31 is cylinder or hydraulic cylinder or motor.

Air injection opening 11 is provided with injecting hole 11a, and preferably, injecting hole 11a extends axially along air injection opening 11, and injecting hole 11a is used for to the inner injecting gas of the inner cavity of pipe of sealing.Preferably, the end of injecting hole 11a is provided with the threaded portion 11b that is used for fixing the injecting hole plug, and the injecting hole plug is used for sealed gas-filling hole 11a, the convenient impermeability that detects pipeline impermeability detection packoff itself.

Preferably, the material of inner wall sealing spare 12 and outer wall seal 22 is rubber or silica gel, and is convenient and practical, compression deformation.

As shown in Figure 2; The utility model also provides a kind of pipeline airtight property detection system; At least the aforesaid pipeline impermeability that comprises the first end 40a that is arranged on pipe under test 40 detects packoff, and the first end 40a of pipe under test 40 detects the packoff sealing through the pipeline impermeability, and the other end of pipe under test 40 seals through modes such as other modes such as crampings; Thereby pipe under test 40 inner chambers form sealing, detect packoff to the inner cavity of pipe injecting gas through the pipeline impermeability.

Preferably; The airtight property detection system of pipeline comprises that the pipeline impermeability of forming being provided with detect packoff more; It is two that every pair of pipeline impermeability detects packoff, and pipe under test two ends 40a, 40b are plugged on every pair of pipeline impermeability respectively and detect on the packoff and sealing.Thereby the injecting hole 11a that makes every pair of pipeline impermeability detect packoff is interconnected through pipe under test 40, and forms closed cavity with pipe under test 40 inner chambers;

More preferably, the airtight property detection system of pipeline also comprises source of the gas 50 and the solenoid valve 60 of control source of the gas 50 to the closed cavity air feed, and when solenoid valve 60 was opened, source of the gas 50 was through the injecting hole 11a injecting gas in inner cavity of pipe on the air injection opening 11.

The airtight property detection system of pipeline comprises also and the pressure-detecting device 70 of closed cavity conducting that pressure-detecting device 70 is used for detecting the air pressure of closed cavity.

The airtight property detection system of pipeline also comprises control device 80 and display device, and control device 80 is according to pressure-detecting device 70 air pressure control electromagnetic valve 60 that detects and the impermeability state of judging pipe under test 40 and on display device, show the impermeability state.Preferably, display device can be three look display lamps, and perhaps alarm etc. when pressure changes when surpassing predefined scope, thinks that then the pipeline impermeability is bad, display lamp exhibit red, perhaps alarm equipment alarm.

As shown in Figure 3, the air-tightness detection method of the airtight property detection system of pipeline that the utility model provides may further comprise the steps:

Step S01:: detect in the pipeline impermeability of the airtight property detection system of aforesaid pipeline on the injecting hole 11a of packoff the gas injection port plug is installed; Detect the impermeability that this pipeline impermeability detects packoff itself; If impermeability is good, unload the gas injection port plug;

Step S02: pipe under test 40 is installed; The pipeline impermeability that pipe under test 40 is plugged on the airtight property detection system of aforesaid pipeline detects on the packoff; Under state of nature; The pipeline impermeability detects packoff, has certain gap between inner wall sealing spare 12 and the outer wall seal 22, makes that to insert pipe under test 40 more convenient to the air injection opening.

Step S03: clamped sealed, start the airtight property detection system of pipeline, the power source 31 that the pipeline impermeability detects packoff promotes cover 32 extruding outer wall seals 22, makes pipe under test two ends 40a, the equal fixing seal of 40b.

Step S04: gas injection pressurize; The solenoid valve 60 of the airtight property detection system of pipeline is opened and is made the closed cavity air feed of source of the gas 50 to injecting hole 11a and the formation of pipe under test 40 inner chambers; When pressure-detecting device 70 detects that air pressure reaches preset range in the closed cavities, control device 80 control electromagnetic valve 60 certain hour of closing and keep-up pressure.

Step S05: judge impermeability; In the Preset Time scope; If the closed cavity internal gas pressure is constant or pressure descends in preset range, think that then the impermeability of pipe under test 40 is good, if instead descending, pressure surpasses predetermined scope; Think that then pipe under test 40 impermeability are bad, alarm equipment alarm is reminded operating personnel.

Step S06: power source 31 pullings promote cover 32, make promotion cover 32 no longer push the outer wall seal, and the confined space internal gas discharges, and takes off pipe under test, and classification is placed according to testing result, and a detection circulation is accomplished.

From above description, can find out that the utility model the above embodiments have realized following technique effect:

Pipeline impermeability according to the utility model detects packoff and the airtight property detection system of pipeline; Through inner wall sealing spare on inner wall sealing assembly and the outer wall seal assembly and the inboard and outer side seal to pipe end respectively of outer wall seal; Make the cavity sealing of pipe interior, the air injection opening of inner wall sealing assembly is used for to the inner gas injection of inner cavity of pipe, changes through the pressure of testing inner chamber and detects the pipeline impermeability; Convenient and practical; Improve testing efficiency, guarantee to detect quality, reduced the waste and the pollution of water resource simultaneously.Simultaneously, the airtight property detection system of the pipeline of the utility model can detect the impermeability of self, confirmed that the impermeability of system is good after, detect operation again, the accuracy that the assurance system detects.

The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims (11)

1. a pipeline impermeability detects packoff, it is characterized in that, comprising:
Inner wall sealing assembly (10) and outer wall seal assembly (20) leave the gap between said inner wall sealing assembly (10) and the outer wall seal assembly (20), and pipe under test (40) is plugged in the said gap; And
Make the auxiliary sealing device (30) of said inner wall sealing assembly (10) and outer wall seal assembly (20) mutual extrusion.
2. pipeline impermeability according to claim 1 detects packoff, it is characterized in that,
Said inner wall sealing assembly (10) comprises the air injection opening (11) that fixedly installs and is set in the inner wall sealing spare (12) on the said air injection opening (11);
Said outer wall seal assembly (20) comprises the sealing shroud (21) that fixedly installs and is arranged on the inboard sleeve shaped outer wall seal (22) of said sealing shroud (21);
First end of said sealing shroud (21) is provided with inward flange, and an end of said outer wall seal (22) is connected on the said inward flange, and second end of said sealing shroud (21) is the opening shape.
3. pipeline impermeability according to claim 2 detects packoff, it is characterized in that,
Said sealing servicing unit (30) also comprises power source (31) and is connected with said power source (31) and by the promotion cover (32) of said power source (31) push-and-pull, said promotion cover (32) is set in the side that said outer wall seal (22) was gone up and be arranged on movably to air injection opening (11).
4. pipeline impermeability according to claim 3 detects packoff, it is characterized in that,
Said power source (31) is cylinder or hydraulic cylinder or motor.
5. pipeline impermeability according to claim 2 detects packoff, it is characterized in that,
Said air injection opening (11) is provided with injecting hole (11a), and the end of said injecting hole (11a) is provided with the threaded portion (11b) that is used for fixing the injecting hole plug.
6. pipeline impermeability according to claim 2 detects packoff, it is characterized in that,
The material of said inner wall sealing spare (12) and said outer wall seal (22) is rubber or silica gel.
7. the airtight property detection system of pipeline is characterized in that,
Comprise that each described pipeline impermeability detects packoff in the claim 1 to 6;
Said pipeline impermeability detects the end (40a) that packoff is arranged on pipe under test.
8. the airtight property detection system of pipeline according to claim 7 is characterized in that,
The airtight property detection system of said pipeline comprises that the said pipeline impermeability of forming being provided with detect packoff more;
(40a 40b) is plugged on every pair of said pipeline impermeability respectively and detects on the packoff and sealing at said pipe under test two ends.
9. the airtight property detection system of pipeline according to claim 8 is characterized in that,
Be arranged on said pipe under test two ends (40a, the injecting hole (11a) that the said pipeline impermeability of 40b) every pair detects packoff is interconnected through said pipe under test (40), and with pipe under test (40) inner chamber formation closed cavity;
The airtight property detection system of said pipeline also comprises source of the gas (50) and controls the solenoid valve (60) of said source of the gas (50) to said closed cavity air feed.
10. the airtight property detection system of pipeline according to claim 7 is characterized in that,
The airtight property detection system of said pipeline also comprises pressure-detecting device (70), said pressure-detecting device (70) and said closed cavity conducting.
11. the airtight property detection system of pipeline according to claim 10 is characterized in that,
The airtight property detection system of said pipeline also comprises control device (80) that is connected with said pressure-detecting device (70) and the display device that is connected with said control device (80), and the air pressure that said control device (80) detects according to said pressure-detecting device (70) is controlled said solenoid valve (60) switching and judged the impermeability state of pipe under test (40) and on said display device, show said impermeability state.
CN2012200153696U 2012-01-12 2012-01-12 Conduit air tightness detection sealing device and conduit air tightness detection system CN202442852U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200153696U CN202442852U (en) 2012-01-12 2012-01-12 Conduit air tightness detection sealing device and conduit air tightness detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200153696U CN202442852U (en) 2012-01-12 2012-01-12 Conduit air tightness detection sealing device and conduit air tightness detection system

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CN202442852U true CN202442852U (en) 2012-09-19

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103084340A (en) * 2013-01-14 2013-05-08 湖州剑力金属制品有限公司 Automatic air-tightness testing and sorting device
CN103207051A (en) * 2012-01-12 2013-07-17 珠海格力电器股份有限公司 Sealing device, system and method for detection of gas tightness of pipeline

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103207051A (en) * 2012-01-12 2013-07-17 珠海格力电器股份有限公司 Sealing device, system and method for detection of gas tightness of pipeline
CN103207051B (en) * 2012-01-12 2015-12-02 珠海格力电器股份有限公司 Pipeline air-leakage test packoff, pipeline air tightness detection system and method
CN103084340A (en) * 2013-01-14 2013-05-08 湖州剑力金属制品有限公司 Automatic air-tightness testing and sorting device
CN103084340B (en) * 2013-01-14 2015-11-18 湖州剑力金属制品有限公司 A kind of air tightness test sorting plant automatically

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GR01 Patent grant
C25 Abandonment of patent right or utility model to avoid double patenting
AV01 Patent right actively abandoned

Granted publication date: 20120919

Effective date of abandoning: 20151202