CN201867284U - Gas collecting sleeve - Google Patents
Gas collecting sleeve Download PDFInfo
- Publication number
- CN201867284U CN201867284U CN2010205458013U CN201020545801U CN201867284U CN 201867284 U CN201867284 U CN 201867284U CN 2010205458013 U CN2010205458013 U CN 2010205458013U CN 201020545801 U CN201020545801 U CN 201020545801U CN 201867284 U CN201867284 U CN 201867284U
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- semi
- circular plate
- sliding sleeve
- gas collection
- semicanal
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Abstract
The utility model discloses a gas collecting sleeve which comprises a first half-pipe body and a second half-pipe body, wherein a first semi-annular plate and a second semi-annular plate are arranged on the inner wall of the first half-pipe body; a third semi-annular plate corresponding to the first semi-annular plate and a fourth semi-annular plate corresponding to the second semi-annular plate are arranged on the inner wall of the second half-pipe body; and a detection hole is arranged in the pipe wall of at least one of the first half-pipe body and the second half-pipe body. The gas collecting sleeve has the characteristics of simple structure, convenience in use, small volume and convenience in carrying.
Description
Technical field
The utility model relates to pipe fitting package seal checker field, the gas collection cover that specifically a kind of pipe fitting sealing detection is used.
Background technology
Carry the pipeline of gas or liquid need bear certain pressure that gas in the pipeline or liquid bring.For avoiding gas or leak of liquid in course of conveying, after pipe fitting couples together, often need screw thread to the connecting portion of these pipe fittings to carry out sealing and detect.For example need in the petroleum industry to connect into the conveying that delivery line is finished oil, gas with pipe fittings such as tubing and casing and aids thereof.The pipeline that pipe fitting such as tubing and casing and aid connects and composes is called oil casing as oil, the moving passage of air-flow.In order to guarantee the channel security conveying according to designing requirement of oil or gas, oil casing just all needs good sealing.
The way that detects the sealing effectiveness of pipe fitting in the prior art is: in the laboratory the pin thread and the box of pipe fittings such as every tubing and casing or box cupling, be connected with male joint with the box of standard respectively, set up confined space, in confined space, inject a certain amount of high pressure detected gas then, the detected pipe fitting of water submergence again, detected within a certain period of time pipe fitting does not emit bubble, illustrates that the sealing of detected pipe fitting reaches requirement.Detect qualified after, more detected pipe fittings such as tubing and casing or box cupling are unloaded from joint, be transported to the working-yard respectively and use.This detection method accuracy is relatively poor.And when pipe fitting is long, need bigger container to come splendid attire water, so that pipe fitting is immersed in the water.Particularly need sealing is carried out when detecting in certain position that connects into pipeline, just more difficultly find suitable container to come splendid attire water.Address the above problem for this reason, need provide a kind of suitable device to be located at the outside of the detected portion of detected pipe fitting, be used for the usefulness of sealing detection, and will whole pipe fitting in addition pipeline all place within the device.
The utility model content
In order to solve the above-mentioned problems in the prior art, the utility model provides a kind of gas collection cover, and the outside that can be arranged on the detected portion of pipe fitting is used for sealing to be detected, be particularly suitable for longer pipe spare and the pipeline that connects in the sealing of pipe fitting detect.
In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme:
A kind of gas collection cover comprises:
The first semicanal body, inwall have the first semi-circular plate and the second semi-circular plate;
The second semicanal body, inwall have three semi-circular plate corresponding with the first semi-circular plate and the four semi-circular plate corresponding with the second semi-circular plate;
Wherein has the detection hole on the tube wall of at least one in the first semicanal body and the second semicanal body.
The described first semi-circular plate and the 3rd semi-circular plate are formed first dividing plate, and the described second semi-circular plate and the 4th semi-circular plate are formed second partition, and described detection hole is on the tube wall between first dividing plate and the second partition.
The inwall of the described first semicanal body also has the 5th semi-circular plate, and the 5th semi-circular plate is between the first semi-circular plate and the second semi-circular plate; The inwall of the described second semicanal body has the six semi-circular plate corresponding with the 5th semi-circular plate, and the described the 5th semi-circular plate and the 6th semi-circular plate are formed the 3rd dividing plate, all have the detection hole on the tube wall of the 3rd dividing plate both sides.
The described first semicanal body is connected by hinge with the side of the second semicanal body along axis direction, and another side connects by padlock.
Also comprise a pressue device, described pressue device comprises:
Body, the end sealing of body, the other end opening of body;
Packer is located on the body, comprises first packer and second packer;
Wherein, have the bleeder vent of communicating pipe inside and outside on the body between first packer and second packer.
Further, described first packer and second packer comprise respectively the piston type sliding sleeve that is placed on the body, packing rubber sleeve and and cap, wherein
And cap is threaded with body;
The piston type sliding sleeve is connected with the body slipper seal, forms pressure chamber between piston type sliding sleeve and the body, has the pressure transmission hole that is communicated with pressure chamber and body inside on the body, and the medium effect in the chamber of being stressed of piston type sliding sleeve endwisely slips and pushes packing rubber sleeve;
Packing rubber sleeve be located at and cap and piston type sliding sleeve between, and set by piston type sliding sleeve extrusion expansion.
Further, described body is formed by connecting by multistage, comprise the first sliding sleeve bar, pipe core and the second sliding sleeve bar, one end of pipe core is connected with the first sliding sleeve bar, the other end is connected with the second sliding sleeve bar, first packer is located on the first sliding sleeve bar, second packer is located on the second sliding sleeve bar, have two axial through holes in the described pipe core at least, the two ends of the through hole that one of them is axial are provided with a pressure control one-way valve respectively, the conducting direction of two pressure control one-way valves is opposite, and bleeder vent is located on the body between the two pressure control one-way valves.
As a kind of selection, described bleeder vent is two, is equipped with the pressure control one-way valve on each bleeder vent, and the conducting direction of described pressure control one-way valve is opposite.
Further, described pressure control one-way valve is a spring non-return valve.
Further, sealing one end of described body is connected with starting taper.
Further, high voltage interface one end of described body is connected with drop handle.
Compared with prior art, the beneficial effects of the utility model are:
1, gas collection cover of the present utility model is easy to carry, and can use at the construction field (site).
2, gas collection cover of the present utility model only need be enclosed within the outside at detected position, and volume is less.Avoided needing in the prior art whole pipe fitting even whole pipeline are all immersed the drawback that needs larger container in the water.
3, gas collection nested structure of the present utility model is simple, is convenient to operation, and is easy to use.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of gas collection cover of the present utility model;
Fig. 2 is the open mode synoptic diagram of the embodiment 1 of gas collection cover of the present utility model;
Fig. 3 is the open mode synoptic diagram of the embodiment 2 of gas collection cover of the present utility model;
Fig. 4 partly cuts open figure for the structure of the preferred embodiment of the pressue device of gas collection cover of the present utility model;
Fig. 5 cuts open figure for the structure of the pipe core of the preferred embodiment of the pressue device of gas collection cover of the present utility model;
Fig. 6 cuts open figure for the another kind of structure of the pipe core of the preferred embodiment of the pressue device of gas collection cover of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail, but not as to qualification of the present utility model.
Embodiment 1:
As depicted in figs. 1 and 2, Fig. 1 is the one-piece construction synoptic diagram of gas collection cover of the present utility model; Fig. 2 is the open mode synoptic diagram of the gas collection cover of present embodiment.A kind of gas collection cover comprises: the first semicanal body 101, inwall have the first semi-circular plate 102 and the second semi-circular plate 103; The second semicanal body 104, inwall have three semi-circular plate 105 corresponding with the first semi-circular plate 102 and the four semi-circular plate 106 corresponding with the second semi-circular plate 103.The described first semi-circular plate 102 and the 3rd semi-circular plate 105 are formed first dividing plate, and the described second semi-circular plate 103 and the 4th semi-circular plate 106 are formed second partition, and the tube wall between first dividing plate and the second partition is provided with and detects hole 107.Described detection hole 107 can be located on the tube wall of the first semicanal body 101, also can be located on the tube wall of the second semicanal body 104.The described first semicanal body is connected by hinge 108 with the side of the second semicanal body along axis direction, and another side connects by padlock 109.
Embodiment 2:
Referring to Fig. 1 and Fig. 3, Fig. 3 is the open mode synoptic diagram of the gas collection cover of present embodiment.Present embodiment is the improvement of being done on the basis of embodiment 1, and difference is that the inwall of the described first semicanal body 101 also has the 5th semi-circular plate 110, the five semi-circular plates 110 between the first semi-circular plate 102 and the second semi-circular plate 103; The inwall of the described second semicanal body 104 has the six semi-circular plate 111 corresponding with the 5th semi-circular plate 110, the described the 5th semi-circular plate 110 and the 6th semi-circular plate 111 are formed the 3rd dividing plate, have on the tube wall between first dividing plate and the 3rd dividing plate and have the second detection hole 702 on first tube wall that detects between hole 701, the three dividing plates and the second partition.Described first detects hole 701 and second detects hole 702 and can be located at simultaneously in the first semicanal body 101 or the second semicanal body 104 one, also can be located at respectively on the first semicanal body 101 and the second semicanal body 104.When detected position is box cupling or reducing pipe nipple etc. during the threaded portion at the two ends of short pipe fitting, the gas collection cover of present embodiment can be divided into the threaded portion at pipe fitting two ends two independently spaces, so that accurately detect which end leaks.
As the utility model implement a kind of preferred, the described first semicanal body 101 and the second semicanal body 104 all are formed in one.
Preferred as the another kind that the utility model is implemented, the inwall upper edge circumference of the described first semicanal body 101 and the second semicanal body 104 has mounting groove, and described first semi-circular plate to the six semi-circular plates are installed in respectively in the corresponding mounting groove.Like this, when the external diameter at detected position not simultaneously, can change the semi-circular plate of different size specification, so that adapt with the external diameter at detected position.
Preferred as the another kind that the utility model is implemented, also comprise pressue device, as shown in Figure 4 and Figure 5, Fig. 4 partly cuts open figure for the structure of the preferred embodiment of the pressue device of gas collection cover of the present utility model; Fig. 5 cuts open figure for the structure of the pipe core of the preferred embodiment of the pressue device of gas collection cover of the present utility model; Described pressue device comprises the first sliding sleeve bar 1, pipe core 2, connect the body that pipe nipple 3 and the second sliding sleeve bar 5 are threaded successively and form, and the connection is equipped with O-ring seal 39, so that guarantee the sealing of whole body.Wherein, the sealing of an end of the second sliding sleeve bar 5 of body, an end opening of the first sliding sleeve bar 1 forms high voltage interface 6.The first sliding sleeve bar 1 is provided with by first and first packer formed of cap 7, first packing rubber sleeve 8 and first piston formula sliding sleeve 9.Wherein first packing rubber sleeve 8 be located at first and cap 7 and first piston formula sliding sleeve 9 between, and be subjected to 9 extruding of first piston formula sliding sleeve and expansion sets.First and cap 7 be threaded with the first sliding sleeve bar 1.First piston formula sliding sleeve 9 is connected with 1 slipper seal of the first sliding sleeve bar.Form first pressure chamber 10 between the first piston formula sliding sleeve 9 and the first sliding sleeve bar 1.Has first pressure transmission hole 11 that is communicated with first pressure chamber 10 and the first sliding sleeve bar, 1 inside on the first sliding sleeve bar 1.The high-pressure medium that enters from high voltage interface 6 enters in first pressure chamber 10 from first pressure transmission hole 11, thereby first piston formula sliding sleeve 9 is endwisely slipped by the high-pressure medium effect in first pressure chamber 10 and pushes first packing rubber sleeve 8, first packing rubber sleeve 8 is expanded set.Equally, the second sliding sleeve bar 5 is provided with by second and second packer formed of cap 12, second packing rubber sleeve 13 and the second piston type sliding sleeve 14.Wherein second packing rubber sleeve 13 be located at second and cap 12 and the second piston type sliding sleeve 14 between, and be subjected to 14 extruding of the second piston type sliding sleeve and expansion sets.Second and cap 12 be threaded with the second sliding sleeve bar 5.The second piston type sliding sleeve 14 is connected with 5 slipper seals of the second sliding sleeve bar.Form second pressure chamber 15 between the second piston type sliding sleeve 14 and the second sliding sleeve bar 5.Has second pressure transmission hole 16 that is communicated with second pressure chamber 15 and the second sliding sleeve bar, 5 inside on the second sliding sleeve bar 5.The high-pressure medium that enters from high voltage interface 6 enters in second pressure chamber 15 from second pressure transmission hole 16, thereby the second piston type sliding sleeve 14 is endwisely slipped by the high-pressure medium effect in second pressure chamber 15 and pushes second packing rubber sleeve 13, second packing rubber sleeve 13 is expanded set.First packing rubber sleeve 8 and second packing rubber sleeve 13 form by two or more packing element serial connections.The two ends of first packing rubber sleeve 8 and second packing rubber sleeve 13 are equipped with support ring 17, so that first packing rubber sleeve 8 and second packing rubber sleeve 13 are effectively pushed.Have an axial central through hole 18 and at least one axial eccentric through-hole 19 in the described pipe core 2, have the bleeder vent 20 that is communicated with central through hole 18 and pipe core 2 outsides on the pipe core 2.One end of central through hole 18 is provided with the first pressure control one-way valve 21, and the conducting direction that the other end is provided with the second pressure control one-way valve, 22, the first pressure control one-way valves 21 and the second pressure control one-way valve 22 is opposite.Bleeder vent 20 is located between the first pressure control one-way valve 21 and the second pressure control one-way valve 22.The described first pressure control one-way valve 21 and the second pressure control one-way valve 22 are spring non-return valve.As shown in Figure 5, the described first pressure control one-way valve comprises: pressure cap 23 is threaded with central through hole 18; First valve seat 24 is connected with pressure cap 23, is provided with O-ring seal 25 between first valve seat 24 and the central through hole 18; First spool 26, the anterior slip stretched in first valve seat 24, and coinciding with first valve seat 24 partly has radial direction through hole 27; First pressure spring 28 acts on first spool 26, and first spool 26 and first valve seat 24 are combined closely.After first packing rubber sleeve 8 and second packing rubber sleeve 13 all set, first spool 26 is in the effect lower slider of high-pressure medium, high-pressure medium enters in the central through hole 18 of pipe core 2 from the radial direction through hole 27 on first spool 26, and enters into the detection of pressurizeing in the annular space between pipe core and the detected pipeline by bleeder vent 20.Obviously, set well for guaranteeing first packing rubber sleeve 8 and second packing rubber sleeve 13, the power that first pressure spring 28 acts on first spool 26 should set the pressure that needs greater than first packing rubber sleeve 8 and second packing rubber sleeve 13.The described second pressure control one-way valve 22 comprises: second valve seat 29 is threaded with central through hole 18; Second spool, 30, the second spools 30 closely contact with valve seat 29; Second pressure spring 31 acts on second spool 30, and second spool 30 is closely contacted with second valve seat 29.When pressure release was finished in detection, high-pressure medium entered in the central through hole 18 of pipe core 2 from bleeder vent 20, and then second spool 30 is opened, and high-pressure medium passes through from the slit between second spool 30 and second valve seat 29, and finally flowed out from high voltage interface 6.The first sliding sleeve bar 1 drop handle 32 that has been threaded.In the pipeline detected portion is carried out sealing and detect so that whole detection device is lowered into by rope etc.The second sliding sleeve bar 5 is connected with starting taper 33.
As shown in Figure 6, Fig. 6 cuts open figure for the structure that the another kind of the pipe core 2 of the pressue device of gas collection cover of the present utility model is selected, have two bleeder vents on the tube wall of described pipe core 2, be respectively first bleeder vent 201 and second bleeder vent 202, first bleeder vent 201 is provided with the first pressure control one-way valve 21 of conducting outside pipe core 2, the first pressure control one-way valve 21 is a spring non-return valve, comprise first valve body 203, an end that has first valve seat 240 and first spool, 241, the first spools 241 in first valve body 203 has first pressure spring 242 that acts on first spool 241.When inside and outside differential pressure during greater than the pressure of first pressure spring 242, first spool 241 separates with first valve seat 240 and produces the gap, and gas passes through from the gap.Second bleeder vent 202 is provided with the second pressure control one-way valve 22 of conducting in pipe core 2, the second pressure control one-way valve 22 is a spring non-return valve, comprise second valve body 204, an end that has second valve seat 243 and second spool, 244, the second spools 244 in second valve body 204 has second pressure spring 245 that acts on second spool 244.
When using gas collection cover of the present utility model to use, pressue device is lowered in the pipeline, make first packer and second packer be positioned at the both sides at detected position, feed tracer gas from high voltage interface 6, under pressure, first packer and second packer set respectively, then, missing gas enters in the annular space of pressue device and pipeline under pressure, the first semicanal body and the second semicanal body are buckled on the outer wall at detected position of pipe fitting or pipeline, the first semicanal body and the second semicanal body form a homogeneous tube body, and form airtight annular space in the outside at the detected position of pipe fitting or pipeline.Whether the probe of detecting instrument, detecting has tracer gas to expose from detected position if being inserted in the detection hole.After having detected, gas collection cover of the present utility model is unloaded, take out pressue device, treat to use next time.
Above embodiment is an exemplary embodiment of the present utility model only, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in essence of the present utility model and protection domain, this modification or be equal to replacement and also should be considered as dropping in the protection domain of the present utility model.
Claims (10)
1. a gas collection cover is characterized in that, comprising:
The first semicanal body, inwall have the first semi-circular plate and the second semi-circular plate;
The second semicanal body, inwall have three semi-circular plate corresponding with the first semi-circular plate and the four semi-circular plate corresponding with the second semi-circular plate;
Wherein has the detection hole on the tube wall of at least one in the first semicanal body and the second semicanal body.
2. gas collection cover according to claim 1, it is characterized in that, the described first semi-circular plate and the 3rd semi-circular plate are formed first dividing plate, and the described second semi-circular plate and the 4th semi-circular plate are formed second partition, and described detection hole is on the tube wall between first dividing plate and the second partition.
3. gas collection cover according to claim 1 is characterized in that, the inwall of the described first semicanal body also has the 5th semi-circular plate, and the 5th semi-circular plate is between the first semi-circular plate and the second semi-circular plate; The inwall of the described second semicanal body has the six semi-circular plate corresponding with the 5th semi-circular plate, and the described the 5th semi-circular plate and the 6th semi-circular plate are formed the 3rd dividing plate, all have the detection hole on the tube wall of the 3rd dividing plate both sides.
4. gas collection cover according to claim 1 is characterized in that, the described first semicanal body is connected by hinge with the side of the second semicanal body along axis direction, and another side connects by padlock.
5. gas collection cover according to claim 1 is characterized in that, the described first semicanal body and the second semicanal body all are formed in one.
6. gas collection cover according to claim 1 is characterized in that, the inwall upper edge circumference of the described first semicanal body and the second semicanal body has mounting groove, and described first semi-circular plate to the four semi-circular plates are installed in respectively in the corresponding mounting groove.
7. gas collection cover according to claim 1 is characterized in that, also comprises pressue device, and described pressue device comprises:
Body, the end sealing of body, the other end opening of body;
Packer is located on the body, comprises first packer and second packer;
Wherein, have the bleeder vent of communicating pipe inside and outside on the body between first packer and second packer.
8. gas collection cover according to claim 7 is characterized in that, described first packer and second packer comprise respectively the piston type sliding sleeve that is placed on the body, packing rubber sleeve and and cap, wherein
And cap is threaded with body;
The piston type sliding sleeve is connected with the body slipper seal, forms pressure chamber between piston type sliding sleeve and the body, has the pressure transmission hole that is communicated with pressure chamber and body inside on the body, and the medium effect in the chamber of being stressed of piston type sliding sleeve endwisely slips and pushes packing rubber sleeve;
Packing rubber sleeve be located at and cap and piston type sliding sleeve between, and set by piston type sliding sleeve extrusion expansion.
9. gas collection cover according to claim 7, it is characterized in that, described body is formed by connecting by multistage, comprise the first sliding sleeve bar, the pipe core and the second sliding sleeve bar, one end of pipe core is connected with the first sliding sleeve bar, the other end is connected with the second sliding sleeve bar, first packer is located on the first sliding sleeve bar, second packer is located on the second sliding sleeve bar, have two axial through holes in the described pipe core at least, the two ends of the through hole that one of them is axial are provided with a pressure control one-way valve respectively, and the conducting direction of two pressure control one-way valves is opposite, and bleeder vent is located on the body between the two pressure control one-way valves.
10. gas collection cover according to claim 7 is characterized in that, described bleeder vent is two, is equipped with the pressure control one-way valve on each bleeder vent, and the conducting direction of described pressure control one-way valve is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205458013U CN201867284U (en) | 2010-09-28 | 2010-09-28 | Gas collecting sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205458013U CN201867284U (en) | 2010-09-28 | 2010-09-28 | Gas collecting sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201867284U true CN201867284U (en) | 2011-06-15 |
Family
ID=44138436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205458013U Expired - Fee Related CN201867284U (en) | 2010-09-28 | 2010-09-28 | Gas collecting sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201867284U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418840A (en) * | 2010-09-28 | 2012-04-18 | 安东石油技术（集团）有限公司 | Gas-collecting sleeve |
-
2010
- 2010-09-28 CN CN2010205458013U patent/CN201867284U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418840A (en) * | 2010-09-28 | 2012-04-18 | 安东石油技术（集团）有限公司 | Gas-collecting sleeve |
| CN102418840B (en) * | 2010-09-28 | 2013-06-26 | 安东石油技术（集团）有限公司 | Gas-collecting sleeve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Sichuan Anton Oil & Gas Engineering Technology Services Co., Ltd. Assignor: Anton Oilfield Services (Group) Ltd. Contract record no.: 2011990001090 Denomination of utility model: Gas-collecting sleeve Granted publication date: 20110615 License type: Exclusive License Record date: 20111213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20150928 |
|
| EXPY | Termination of patent right or utility model |