CN206000477U - A kind of flame retardant type petroleum oil joint - Google Patents
A kind of flame retardant type petroleum oil joint Download PDFInfo
- Publication number
- CN206000477U CN206000477U CN201620883654.8U CN201620883654U CN206000477U CN 206000477 U CN206000477 U CN 206000477U CN 201620883654 U CN201620883654 U CN 201620883654U CN 206000477 U CN206000477 U CN 206000477U
- Authority
- CN
- China
- Prior art keywords
- joint
- box cupling
- petroleum oil
- flame retardant
- retardant type
- 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
Links
Landscapes
- Frying-Pans Or Fryers (AREA)
Abstract
The utility model discloses a kind of flame retardant type petroleum oil joint, including the joint of petroleum oil body（1）Be used for being tightly connected joint described in two（1）Box cupling（2）, external screw thread and screw-internal thread fit form primary sealing area（4）, described box cupling（2）The circular bead surface of both ends of the surface and described groove be secondary sealing area（5）, described primary sealing area（4）With described secondary sealing area（5）Between crossover position be provided with the 3rd sealing surface（6）, described 3rd sealing surface（6）Including the cylinder being arranged on described groove（11）Be arranged at described box cupling（2）On sphere（21）, described cylinder（11）And sphere（21）Interference fit, described box cupling（2）With described joint（1）Connection outer wall on be surrounded by one layer of inhibiting tape, the outside of described inhibiting tape is also surrounded by layer protective layer.Petroleum oil joint tighness of the present utility model is good, long service life, stable in placement and use safety.
Description
Technical field
This utility model is related to a kind of flame retardant type petroleum oil joint it is adaptable to connect petroleum oil, belongs to petroleum equipment
Joint field.
Background technology
Current petroleum oil joint great majority are threaded using traditional API, due to due to structure design, tradition
Joint often occurs a lot of problems, and wherein most importantly sealing property is poor, and petroleum industry can be caused with very big economy
Loss.In addition, the oil leak of petroleum oil joint runs into the hidden danger that naked light occurs blast.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of, joint sealing face strong to petroleum oil sealing to exist
It is not easy during use to be broken and the petroleum oil joint using safety；Further, this utility model provides a kind of pendulum
Put stable, be difficult the petroleum oil joint rolling；Further, this utility model provides and is difficult between a kind of box cupling and joint
There is the petroleum oil joint of thread gluing problem.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of flame retardant type petroleum oil joint, the joint including petroleum oil body and be used for being tightly connected joint described in two
Box cupling, axially two ends are all symmetrically formed with female thread to described box cupling, are provided with positioned at described in two in the middle part of described box cupling inwall
Mesospore ring between joint, the outer wall of described joint offers the groove for accommodating described box cupling, setting in described groove
Have an external screw thread mating with described female thread, the both ends of the surface of described joint all form shoulder with described box cupling, described external screw thread and
Screw-internal thread fit forms primary sealing area, and the both ends of the surface of described box cupling are secondary sealing area with the circular bead surface of described groove, described
Crossover position between primary sealing area and described secondary sealing area is provided with the 3rd sealing surface, and described 3rd sealing surface includes setting
Put in the cylinder on described groove and the sphere that is arranged on described box cupling, described cylinder sphere interference fit, described shoulder is
Reversely shoulder, described box cupling and the connection outer wall of described joint is surrounded by one layer of inhibiting tape, the outside of described inhibiting tape is also surrounded by
Layer protective layer.
The main body of described box cupling is cuboid tubular structure.
The angle of described shoulder is -30 ° to -10 °.
Described female thread and externally threaded bottom of the tooth and tooth top are respectively provided with rounding.
It is additionally provided with sealing ring between described joint and described mesospore ring.
Described female thread and external screw thread are all using the round thread of 8 teeth or 6 teeth.
The material of described inhibiting tape includes polrvinyl chloride.
The material of described protective layer includes thin aluminium alloy.
The beneficial effects of the utility model：A kind of flame retardant type petroleum oil joint that this utility model provides, has three layers
Sealing surface, the wherein the 3rd sealing surface is that the sphere interference fit being arranged on the cylinder and box cupling on groove is formed, metal/metal
Over-surplus fit structure have good sealing effectiveness, spherical design will be sealed inside female thread, joint is using process simultaneously
Middle sealing surface is not easy to be broken, and extends the service life of joint, and described shoulder is reverse shoulder, remains under tensile load
Keep higher contact pressure, improve sealing effectiveness, the setting of inhibiting tape ensure that the safety of petroleum oil joint, will not go out
The hidden danger now exploded；The main body of described box cupling can for cuboid tubular structure it is ensured that petroleum oil joint stable in placement,
It is difficult to roll；On female thread and described joint on described box cupling, externally threaded bottom of the tooth and tooth top have rounding, can allow screw thread
Fat preferably between form of thread interstitial flow it is ensured that petroleum oil joint is not susceptible to thread gluing.
Brief description
Fig. 1 is cross-sectional view of the present utility model.
Fig. 2 is the enlarged drawing of S portion in Fig. 1.
Fig. 3 is the outline drawing of box cupling.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is further described.
As shown in figure 1, a kind of flame retardant type petroleum oil joint, the joint 1 including petroleum oil body and for sealing even
Connect the box cupling 2 of joint 1 described in two, described box cupling 2 is axially all symmetrically formed with female thread in two ends, in the middle part of described box cupling 2 inwall
It is provided with the mesospore ring 3 between joint described in two 1, the outer wall of described joint 1 offers for accommodating described box cupling 2
Groove, is provided with the external screw thread mating with described female thread in described groove, the both ends of the surface of described joint 1 all with described box cupling 2
Form shoulder 7, described external screw thread and screw-internal thread fit form primary sealing area 4, the both ends of the surface of described box cupling 2 and described groove
Circular bead surface is secondary sealing area 5, and the crossover position between described primary sealing area 4 and described secondary sealing area 5 is provided with the 3rd
Sealing surface 6, described box cupling 2 and the connection outer wall of described joint 1 is surrounded by one layer of inhibiting tape, the outside of described inhibiting tape is also surrounded by
Layer protective layer.
It is surrounded by one layer of inhibiting tape, the outside of described inhibiting tape is also surrounded by described box cupling 2 and the connection outer wall of described joint 1
Layer protective layer, can avoid petroleum oil joint the hidden danger of blast on fire will not occur and improve the use of petroleum oil joint
Life-span.
As shown in figure 3, the main body of described box cupling 2 is cuboid tubular structure it is ensured that petroleum oil joint is put surely
Fixed, it is difficult to roll.
The angle of described shoulder 7 is -30 ° to -10 °, as preferably could be arranged to -15 °.
On female thread and described joint 1 on described box cupling 2, externally threaded bottom of the tooth and tooth top have rounding, can allow screw thread
Fat preferably interstitial flow between form of thread, improves threaded connection place sealing and lubricity, prevents thread gluing problem.
It is additionally provided with sealing ring between described joint 1 and described mesospore ring 3, be further ensured that sealing effectiveness.
On female thread and described joint 1 on described box cupling 2, external screw thread adopts the round thread of 8 teeth or 6 teeth.
Preferably, the material of described inhibiting tape is polrvinyl chloride.
Preferably, the material of described protective layer is thin aluminium alloy.
As shown in Fig. 2 described 3rd sealing surface 6 includes the cylinder 11 being arranged on described groove and is arranged at described box cupling
Sphere 21 on 2, described cylinder 11 and sphere 21 interference fit, will seal spherical design inside female thread, and joint is using
During sealing surface be not easy to be broken；Described shoulder 7 is reverse shoulder, and tensile load is topmost load during sleeve pipe work
One of, reverse shoulder remains to keep higher contact pressure with respect to the reverse shoulder in right angle under tensile load, is conducive to oil
The raising of the sealing effectiveness of oil pipe.
The above be only preferred implementation of the present utility model it should be pointed out that：Common skill for the art
For art personnel, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of flame retardant type petroleum oil joint it is characterised in that：Joint including petroleum oil body（1）Connect with for sealing
Connect joint described in two（1）Box cupling（2）, described box cupling（2）Axially two ends are all symmetrically formed with female thread, described box cupling（2）
It is provided with the middle part of inwall positioned at joint described in two（1）Between mesospore ring（3）, described joint（1）Outer wall on offer for
Accommodate described box cupling（2）Groove, be provided with the external screw thread mating with described female thread, described joint in described groove（1）'s
Both ends of the surface all with described box cupling（2）Form shoulder（7）, described external screw thread and screw-internal thread fit form primary sealing area（4）, described
Box cupling（2）Both ends of the surface all form secondary sealing area with the circular bead surface of described groove（5）, described primary sealing area（4）With described
Secondary sealing area（5）Between crossover position be provided with the 3rd sealing surface（6）, described 3rd sealing surface（6）Including being arranged on
State the cylinder on groove（11）Be arranged on described box cupling（2）On sphere（21）, described cylinder（11）And sphere（21）Interference
Cooperation, described shoulder（7）For reverse shoulder, described box cupling（2）With described joint（1）Connection outer wall on be surrounded by one layer fire-retardant
Band, the outside of described inhibiting tape is also surrounded by layer protective layer.
2. a kind of flame retardant type petroleum oil joint according to claim 1 is it is characterised in that described box cupling（2）Main body
For cuboid tubular structure.
3. a kind of flame retardant type petroleum oil joint according to claim 1 is it is characterised in that described shoulder（7）Angle
For -30 ° to -10 °.
4. a kind of flame retardant type petroleum oil joint according to claim 1 is it is characterised in that described female thread and outer spiral shell
The bottom of the tooth of stricture of vagina and tooth top are respectively provided with rounding.
5. a kind of flame retardant type petroleum oil joint according to claim 1 is it is characterised in that described joint（1）With described
Mesospore ring（3）Between be additionally provided with sealing ring.
6. a kind of flame retardant type petroleum oil joint according to claim 1 is it is characterised in that described female thread and outer spiral shell
Stricture of vagina is all using the round thread of 8 teeth or 6 teeth.
7. a kind of flame retardant type petroleum oil joint according to claim 1 is it is characterised in that the material of described inhibiting tape
Including polrvinyl chloride.
8. a kind of flame retardant type petroleum oil joint according to claim 1 is it is characterised in that the material of described protective layer
Including thin aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620883654.8U CN206000477U (en) | 2016-08-16 | 2016-08-16 | A kind of flame retardant type petroleum oil joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620883654.8U CN206000477U (en) | 2016-08-16 | 2016-08-16 | A kind of flame retardant type petroleum oil joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206000477U true CN206000477U (en) | 2017-03-08 |
Family
ID=58199744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620883654.8U Expired - Fee Related CN206000477U (en) | 2016-08-16 | 2016-08-16 | A kind of flame retardant type petroleum oil joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206000477U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121553A (en) * | 2016-08-16 | 2016-11-16 | 江苏迪威高压科技股份有限公司 | A kind of flame retardant type petroleum oil joint |
-
2016
- 2016-08-16 CN CN201620883654.8U patent/CN206000477U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121553A (en) * | 2016-08-16 | 2016-11-16 | 江苏迪威高压科技股份有限公司 | A kind of flame retardant type petroleum oil joint |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| UA106413C2 (en) | Improved seal between pipes | |
| CN206000477U (en) | A kind of flame retardant type petroleum oil joint | |
| CN206513987U (en) | A kind of movable elbow with multistage track groove | |
| CN206000476U (en) | A kind of petroleum oil joint | |
| CN206000478U (en) | A kind of oil leak monitoring type petroleum oil joint | |
| CN206000479U (en) | Petroleum oil joint | |
| CN106121553A (en) | A kind of flame retardant type petroleum oil joint | |
| CN203925329U (en) | A kind of hermetic seal casing joint | |
| CN106089113A (en) | A kind of petroleum oil joint | |
| CN205938255U (en) | Take threaded connection structure of coating steel pipe with anti - corrosion feature | |
| CN201705230U (en) | Special threading connector for sleeve with small external diameter | |
| CN210888836U (en) | Anti-fatigue threaded joint of sleeve | |
| CN106121551A (en) | A kind of leakage of oil monitoring type petroleum oil joint | |
| CN202832263U (en) | Main sealing structure with double spherical faces on coupling face | |
| CN203285354U (en) | Petroleum casing pipe threaded connector | |
| CN207296886U (en) | A kind of aluminium drill pipe connector | |
| CN206206867U (en) | Oil pipe collar | |
| CN206574513U (en) | A kind of buried safety cable of novel environment friendly | |
| CN205503031U (en) | Adapter sleeve for oil drilling | |
| CN204083337U (en) | A kind of self limiting Thermal insulating ball valve | |
| CN106121552A (en) | Petroleum oil joint | |
| CN205063847U (en) | Joint hoop | |
| CN212003056U (en) | Simple special threaded joint for spherical and plane sealing circular threaded pipe | |
| CN204082030U (en) | A kind of air sealed threaded sleeve joint | |
| CN216894281U (en) | Hermetic seal joint capable of being exchanged with API round thread |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20190816 |