CN207246606U - Tensile force type pipe fitting - Google Patents
Tensile force type pipe fitting Download PDFInfo
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- CN207246606U CN207246606U CN201721032076.8U CN201721032076U CN207246606U CN 207246606 U CN207246606 U CN 207246606U CN 201721032076 U CN201721032076 U CN 201721032076U CN 207246606 U CN207246606 U CN 207246606U
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- pipe fitting
- tensile force
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Abstract
The utility model provides a kind of tensile force type pipe fitting, which includes fittings body, nut, sealing ring and pulling sleeve, suitable for the Large Diameter Pipeline sheet-metal duct that outer tube diameter is 145 225mm, wall thickness is 1.5 2.5mm；Welding, without flange, employ pulling sleeve.The front end of pulling sleeve is with a circle seam allowance, pulling sleeve completes pulling force loop port by the incision of even outer diameter tube under the conditions of the inner cone of nut by the displacement of taper lock tieholen, to prevent the pull-off by connecting leg road of pipe fitting, and 45 degree of angles turn half tooth and incision can be achieved, the sealing pipeline of medium conveying is formed, its simple in structure, sealed reliable, anti-pull-out force are high, widely applicable.
Description
Technical field
It the utility model is related to a kind of pipe fitting, and in particular to a kind of tensile force type pipe fitting, is mainly arranged at conveying
In the pipeline of air, as the pipeline can be connected with air compressor.
Background technology
Pipe fitting is the fastening means between pipeline and pipeline, is the tie point that can be dismounted between element and pipeline.
It act as indispensable key player in pipe fitting, it is one of two main composition parts of hydraulic pipeline.Pipe fitting has
Various species, common pipe fitting can be generally divided into two kinds of hard pipe joint and hose coupling.If according to pipe fitting and pipe
The connection mode in road is divided, and hard pipe joint has three kinds of flared type, bite type and welded type, and hose coupling is mainly then attaching type glue
Pipe fitting.
Publication date is on December 8th, 2015, and the Chinese patent of Publication No. CN204879137U, discloses a kind of antiseep
Anticorrosive bimetallic transition pipe joint, belongs to pipeline and is welded to connect technical field.A kind of anticorrosive bimetallic coupling tube of antiseep
Connector, is tubular structure, it is characterised in that in aluminium, aluminium alloy, titanium or titanium alloy including internal transition zone and exterior parcel
Any noncorroding metal layer (40), the axis direction of the transition zone along pipe be followed successively by aluminium-titanium-steel, aluminium alloy-titanium-steel,
Titanium-titanium-steel or the cyclic structure superimposion of titanium alloy-titanium-steel material form.The utility model is multiple using explosive welding processing
The technology of condensation material, makes it have airtightness features, and be processed as meeting by different monometallic tablet metallurgical welds together
The transitional connection pipe joint design of requirement of engineering.The utility model effectively prevents weld interface ripple whirlpool cavity leakage to ask
Topic, improves the reliability of transition pipe joint high sealing characteristic；The germinating of face crack is effectively prevented, improves fatigability
Energy and low-temperature impact resistance；Improve the durability of transit joint；The counterbore of monometallic pipe insertion welding is devised in structure,
Have the function that fixed pipe fitting position, easy to welding procedure.After transit joint welded and installed, it is not necessary to regular maintenance.The pipe connects
Head firmly installs, but installs complexity and can not achieve dismounting.
It is existing that outside diameter can only be accomplished using incision sealing and the caliber of the pipeline of pulling force sealing structure, current maximum
50mm, more than 50mm, generally use flanged joint or welding are complicated, and installation is complicated, inconvenient, using inadequate
Flexibly.In the case where wall is thin, if caliber is big, in incision sealing and pulling force sealing, when being also not cut into outer wall, tube wall is just
It has been deformed that, can not realize sealing effect.
Utility model content
The purpose of the utility model is to overcome above-mentioned deficiency existing in the prior art, and a kind of structure design is provided and is closed
The tensile force type pipe fitting of reason, its simple in structure, good airproof performance, anti-pull-out force are high.
The technical scheme in the invention for solving the above technical problem is：A kind of tensile force type pipe fitting, including fittings body,
The both ends outer wall of the fittings body is provided with external screw thread, which is provided at both ends with fittings body through hole；Further include nut, close
Seal and pulling sleeve；The fittings body through hole is connected with No.1 cylindrical hole, and the aperture of the No.1 cylindrical hole is more than connector
Body through hole；A circle convex block is formed on the middle hole wall of the fittings body through hole；The fittings body is provided with turret head；The nut
Nut through hole is provided with, the nut through hole includes sequentially connected internal thread part, No. two cylindrical holes, taper lock tieholen；Institute
The internal thread part for stating nut is provided with internal thread；The aperture of No. two cylindrical holes is more than the aperture of internal thread part, the cone
The maximum diameter of hole of shape locking hole is less than the aperture of No. two cylindrical holes, is formed between the taper lock tieholen and No. two cylindrical holes
One circle boss；The aperture of the taper lock tieholen No. two cylindrical connecting pins since with tapering into and by connecting leg road
Aperture is equal；The nut is provided with turret head；The sealing ring and pulling sleeve are sequentially distributed in one end of fittings body and nut
Between, sealing ring is installed in No.1 cylindrical hole；The front end of the pulling sleeve is provided with a circle seam allowance, after the pulling sleeve
End setting is fluted, and groove and the fittings body clamping fixes sealing ring in No.1 cylindrical hole；The fittings body and nut
It is connected through a screw thread, the seam allowance of the pulling sleeve is located at nut and by between the tube wall in connecting leg road, seam allowance and taper lock tieholen
Hole wall contacts, and curves inwardly and compressed by connecting leg road so as to being consolidated by connecting leg road under the hole wall effect of taper lock tieholen
It is fixed.
Preferably, nut described in the utility model is locking nut.
Preferably, sealing ring described in the utility model is single sealing ring or Double seal ring.
Preferably, the front end of the seam allowance described in the utility model is acute angle shape.
Preferably, angular range is 10 ° -30 ° between two busbares in cone locking hole axle section described in the utility model
Between.
Preferably, the pore diameter range of fittings body through hole described in the utility model is 6-200mm.
Preferably, the aperture of fittings body through hole described in the utility model and the minimum-value aperture of taper lock tieholen are equal.
Preferably, the outside diameter of the present invention by connecting leg is 145-225mm, it is 1.5-2.5mm by the wall thickness of connecting leg.
The utility model compared with prior art, has the following advantages and effect：Be 145-225mm suitable for outer tube diameter,
Wall thickness is the Large Diameter Pipeline sheet-metal duct of 1.5-2.5mm, welding, without flange；Pulling sleeve is employed, the front end of pulling sleeve carries
One circle seam allowance, pulling sleeve complete pulling force loop port by connecting leg under the conditions of the inner cone of nut by the displacement of taper lock tieholen
The incision of road outside diameter, to prevent the pull-off by connecting leg road of pipe fitting, forms the sealing pipeline of medium conveying, its is simple in structure,
Sealed reliable, anti-pull-out force are high, widely applicable.O-ring seals are formula of filling a vacancy, and can play reliable sealing function, O-ring seals
Tolerance does not influence the reliability of O-ring seals；It is that resistance to plucking takes off part to cut set, prevents pipeline pull-off.And 45 degree of angles of the utility model
Turn half tooth and incision can be achieved.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment.
Fig. 2 is the schematic cross-sectional view of the utility model embodiment fittings body.
Fig. 3 is the side structure schematic view of the utility model embodiment fittings body.
Fig. 4 is the schematic cross-sectional view of the utility model embodiment nut.
Fig. 5 is the side structure schematic view of the utility model embodiment nut.
Fig. 6 is the schematic cross-sectional view of the utility model embodiment pulling sleeve.
Fig. 7 is the side structure schematic view of the utility model embodiment pulling sleeve.
Fig. 8 is the schematic cross-sectional view of the utility model embodiment list sealing ring.
Fig. 9 is the side structure schematic view of the utility model embodiment list sealing ring.
Figure 10 is the schematic cross-sectional view of the utility model embodiment Double seal ring.
Figure 11 is the side structure schematic view of the utility model embodiment Double seal ring.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is described in further detail by embodiment, and following embodiments are pair
The explanation of the utility model and the utility model is not limited to following embodiments.
Embodiment.
Referring to Fig. 1 to Figure 11, the tensile force type pipe fitting in the present embodiment includes fittings body 1, nut 4, sealing ring 2 and pulling force
Set 3.
The both ends outer wall of the present embodiment center tap body 1 is provided with external screw thread 12, and the both ends of the fittings body 1 are additionally provided with and connect
Head body through hole 6.Fittings body through hole 6 is connected with No.1 cylindrical hole 7, and the aperture of the No.1 cylindrical hole 7 leads to more than fittings body
Hole 6.Turret head 9 is both provided with fittings body 1 and nut 4, for spanner erection joint body 1, nut 4 and pipeline 5.Fittings body leads to
A circle convex block 17 is formed on the middle hole wall in hole 6, convex block 17 plays the role of targeted duct 5.
Nut 4 in the present embodiment is locking nut.Nut 4 is provided with nut through hole, and nut through hole includes being sequentially connected
Internal thread part 14, No. two cylindrical holes 15, taper lock tieholens 8.Internal thread 13 is provided with internal thread part 14.No. two cylinders
The aperture in hole 15 is more than the aperture of internal thread part 14, and the maximum diameter of hole of taper lock tieholen 8 is less than the aperture of No. two cylindrical holes 15,
A circle boss 16 is formed between taper lock tieholen 8 and No. two cylindrical holes 15.The aperture of taper lock tieholen 8 from No. two cylinders
The connecting pin in hole 15 starts to taper into equal with by the aperture in connecting leg road 5.It is 145-225mm by the outside diameter in connecting leg road 5, wall
Thickness is 1.5-2.5mm, and wall thickness accepted value is 2mm.
Sealing ring 2 and pulling sleeve 3 in the present embodiment are sequentially distributed between one end of fittings body 1 and nut 4, sealing ring
2 can be that single sealing ring can also be Double seal ring.Sealing ring 2 is installed in No.1 cylindrical hole 7.The front end of pulling sleeve 3 is set
A circle seam allowance 10 is equipped with, the front end of seam allowance 10 is acute angle shape.The rear end setting fluted 11 of pulling sleeve 3, groove 11 and fittings body 1
Clamping fixes sealing ring 2 in No.1 cylindrical hole 7.Fittings body 1 and nut 4 are connected through a screw thread, the seam allowance of the pulling sleeve 3
10 in nut 4 and by between the tube wall in connecting leg road 5, and seam allowance 10 is contacted with the hole wall of taper lock tieholen 8, and in taper lock tieholen 8
Hole wall effect under curve inwardly.
Between angular range is 10 ° -30 ° between taper lock tieholen 8 shaft section, two busbares in the present embodiment.Fittings body
The aperture of through hole 6 and the minimum-value aperture of taper lock tieholen 8 are equal.
A kind of connection method of tensile force type pipe fitting, step are as follows：Nut through hole, pulling sleeve are sequentially passed through by connecting leg road 5
3rd, sealing ring 2, fittings body 1, both sides are first fixed on the both ends of connector 1 by connecting leg road 5, then turn nut 4, fix sealing
Circle 2 and pulling sleeve 3；With the displacement of the taper lock tieholen 8 of nut 4, seam allowance 10 is inside under the hole wall effect of taper lock tieholen 8
Bending is compressed by connecting leg road so as to being fixed by connecting leg road, to prevent the pull-off by connecting leg road of pipe fitting.This practicality is new
45 degree of angles of type turn half tooth and incision can be achieved.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of its parts and components, be named
Title etc. can be different, and the above content described in this specification is only to the utility model structure example explanation.
The equivalence changes or simple change that all construction, feature and principles according to described in the utility model patent concept are done, are wrapped
Include in the protection domain of the utility model patent.Those skilled in the art of the present invention can be to described
Specific embodiment does various modifications or additions or substitutes in a similar way, without departing from the knot of the utility model
Structure surmounts scope defined in the claims, all should belong to the protection range of the utility model.
Claims (8)
1. a kind of tensile force type pipe fitting, including fittings body, the both ends outer wall of the fittings body is provided with external screw thread, the fittings body
It is provided at both ends with fittings body through hole, it is characterised in that：Further include nut, sealing ring and pulling sleeve；The fittings body through hole connection
There is No.1 cylindrical hole, the aperture of the No.1 cylindrical hole is more than fittings body through hole；The middle hole wall of the fittings body through hole
It is upper to form a circle convex block；The fittings body is provided with turret head；The nut is provided with nut through hole, and the nut through hole includes
Sequentially connected internal thread part, No. two cylindrical holes, taper lock tieholen；The internal thread part of the nut is provided with internal thread；Institute
The aperture for stating No. two cylindrical holes is more than the aperture of internal thread part, and the maximum diameter of hole of the taper lock tieholen is less than No. two cylinders
The aperture in hole, forms a circle boss between the taper lock tieholen and No. two cylindrical holes；The aperture of the taper lock tieholen from
Start to taper into No. two cylindrical connecting pins and equal by the aperture in connecting leg road；The nut is provided with turret head；
The sealing ring and pulling sleeve are sequentially distributed between one end of fittings body and nut, and sealing ring is installed on No.1 cylindrical hole
It is interior；The front end of the pulling sleeve is provided with a circle seam allowance, and the rear end of the pulling sleeve sets fluted, the groove and fittings body
Clamping fixes sealing ring in No.1 cylindrical hole；The fittings body and nut are connected through a screw thread, the seam allowance of the pulling sleeve
Positioned at nut and by between the tube wall in connecting leg road, seam allowance is contacted with the hole wall of taper lock tieholen, and in the hole wall of taper lock tieholen
The compression that curves inwardly under effect is by connecting leg road so as to being fixed by connecting leg road.
2. tensile force type pipe fitting according to claim 1, it is characterised in that：The nut is locking nut.
3. tensile force type pipe fitting according to claim 1, it is characterised in that：The sealing ring is single sealing ring or double density
Seal.
4. tensile force type pipe fitting according to claim 1, it is characterised in that：The front end of the seam allowance is acute angle shape.
5. tensile force type pipe fitting according to claim 1, it is characterised in that：Described two busbares in cone locking hole axle section
Between angular range be 10 ° -30 ° between.
6. tensile force type pipe fitting according to claim 1, it is characterised in that：The pore diameter range of the fittings body through hole is 6-
200mm。
7. tensile force type pipe fitting according to claim 1, it is characterised in that：The aperture of the fittings body through hole and taper lock
The minimum-value aperture of tieholen is equal.
8. tensile force type pipe fitting according to claim 1, it is characterised in that：The outside diameter by connecting leg is 145-225mm,
It is 1.5-2.5mm by the wall thickness of connecting leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721032076.8U CN207246606U (en) | 2017-08-17 | 2017-08-17 | Tensile force type pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721032076.8U CN207246606U (en) | 2017-08-17 | 2017-08-17 | Tensile force type pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207246606U true CN207246606U (en) | 2018-04-17 |
Family
ID=61880581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721032076.8U Active CN207246606U (en) | 2017-08-17 | 2017-08-17 | Tensile force type pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207246606U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489832A (en) * | 2017-08-17 | 2017-12-19 | 海盐管件制造有限公司 | A kind of tensile force type pipe joint and connection method and purposes |
| CN111911388A (en) * | 2020-07-14 | 2020-11-10 | 宁波速通汽配制造有限公司 | Anti-leakage automobile air conditioner compressor |
-
2017
- 2017-08-17 CN CN201721032076.8U patent/CN207246606U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489832A (en) * | 2017-08-17 | 2017-12-19 | 海盐管件制造有限公司 | A kind of tensile force type pipe joint and connection method and purposes |
| CN111911388A (en) * | 2020-07-14 | 2020-11-10 | 宁波速通汽配制造有限公司 | Anti-leakage automobile air conditioner compressor |
| CN111911388B (en) * | 2020-07-14 | 2022-07-05 | 宁波速通汽配制造有限公司 | Anti-leakage automobile air conditioner compressor |
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| GR01 | Patent grant |