CN106151733A - A kind of pipe fitting joint - Google Patents
A kind of pipe fitting joint Download PDFInfo
- Publication number
- CN106151733A CN106151733A CN201610839339.XA CN201610839339A CN106151733A CN 106151733 A CN106151733 A CN 106151733A CN 201610839339 A CN201610839339 A CN 201610839339A CN 106151733 A CN106151733 A CN 106151733A
- Authority
- CN
- China
- Prior art keywords
- annulus
- nut
- pipe fitting
- fitting joint
- diameter
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/32—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses comprising parts outside the hoses only
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints With Pressure Members (AREA)
Abstract
The invention discloses a kind of pipe fitting joint, including nut, gas pipe and cutting ferrule, the outer surface of gas pipe is sequentially provided with annulus A, annulus B, annulus C and annulus D from bottom to top, the external diameter of described annulus A, annulus B, annulus C and annulus D is sequentially reduced, described annulus A and annulus B is fixing to be connected, being provided with draw-in groove between described annulus B and annulus C, annulus C is not attached to described annulus D；Nut is the cylindrical nut upper end open diameter outer annular diameter less than annulus A, and the outer annular diameter that nut upper end open diameter is more than or equal to annulus B, nut inner surface is provided with screw thread, gas pipe is inserted nut upper end open by nut lower end, cutting ferrule is fixed in draw-in groove, and cutting ferrule may be stuck in the top at nut upper end open.Present configuration is simple, convenient and practical, can go to tighten at pipe interface by finger, facilitates the pipe-line system that die space is little to use, meanwhile, can improve the air-tightness of pipe-line system.
Description
Technical field
The invention belongs to nitrogen spring pipeline system accessory field, particularly relate to a kind of pipe fitting joint.
Background technology
Nitrogen spring is a kind of novel elastic assembly with high pressure nitrogen as working media, and its volume is little, elastic force big, stroke
Long, stable working, manufactures precision, length in service life (1,000,000 times), and spring curve is mild, and need not pretension etc., it
There is the work that the common elastic assemblies such as metal spring, rubber and air cushion have been difficult to.Existing nitrogen spring is all single making
With, nitrogen spring works when, internal nitrogen pressure changes greatly, is unsuitable on precision equipment using.For guaranteeing to produce
Stablizing of quality, can be designed to a kind of nitrogen spring system, and the part as mould is worked, can be in systems
Easily realize that pressure is constant and deferred action, be the optimal elastomeric element of a kind of a new generation with flex capability.And
Nitrogen spring system has strict requirements to pipeline sealing, and existing joint tighness is the most less desirable, meanwhile, existing
Nitrogen spring pipeline system be required to the instruments such as spanner and complete when connecting, very inconvenient during assembling.
Summary of the invention
For solving the problems referred to above, the invention provides a kind of pipe fitting joint, it can effectively solve existing pipe fitting joint and seal
Property the problem such as difference, it addition, nitrogen spring pipeline system can pass through finger mounted, solve because of die space little inconvenience use instrument
Pipeline.
For achieving the above object, the invention provides techniques below scheme: a kind of pipe fitting joint, described pipe fitting joint includes
Nut, gas pipe and cutting ferrule, described gas pipe is tubular body, and the outer surface of described gas pipe is sequentially provided with from bottom to top
Annulus A, annulus B, annulus C and annulus D, the external diameter of described annulus A, annulus B, annulus C and annulus D is sequentially reduced, described annulus A
Fixing with annulus B and be connected, be provided with draw-in groove between described annulus B and annulus C, described annulus C is not attached to described annulus D；
Described nut is cylindrical, the described nut upper end open diameter outer annular diameter less than described annulus A, and described
The nut upper end open diameter outer annular diameter more than or equal to described annulus B, described nut inner surface is provided with screw thread, described gas tube
Part is inserted described nut upper end open by described nut lower end, and described cutting ferrule is fixed in described draw-in groove, and described cutting ferrule cocker
Above at described nut upper end open.
Further, described cutting ferrule is for setting annulus jaggy, and described cutting ferrule outer annular diameter is more than described nut upper end
Opening diameter.
Further, described cutting ferrule internal ring limit is provided with lamellar projection.
Further, the outer surface of described nut is provided with decorative pattern.
Further, described pipe fitting joint also includes some annular recess, and described annular recess is parallel is located at described gas
On the outer surface of pipe fitting upper end.
Further, described pipe fitting joint also include adaptor, the two ends of described adaptor be external diameter different hollow circle
Cylinder, and the two ends of described adaptor are equipped with screw thread, the internal diameter of the cylindrical external diameter in described adaptor upper end and described nut
Identical, and described adaptor upper end is connected by screw thread with described nut, described adaptor is followed successively by from top to bottom and is connected
Hexagon is protruding and circular protrusions, the internal diameter of described adaptor is identical with the external diameter of described gas pipe lower end.
Further, described adaptor also includes that circular rubber blanket, described circular rubber blanket are fixed on described circle
Protruding one end.
Compared with prior art, the invention has the beneficial effects as follows:
(1) flexible pipe is inserted in the upper end of pipe fitting joint, and passes through mechanical presses so that it is fixing seal, the lower end of pipe fitting joint
Being threadeded with adaptor by nut, the lower end of adaptor is connected with nitrogen spring, and gas is entered by the upper end of pipe fitting joint
Enter, and sequentially pass through downwards gas pipe lower end and adaptor entrance nitrogen spring；
(2) nut is threaded connection with adaptor, and in rundown process, the upper end of adaptor will be locked on annulus A top,
Improving seam air-tightness, meanwhile, the cylindrical external diameter in gas pipe lower end is slightly less than the internal diameter of adaptor, gas pipe lower end
Can just insert in adaptor, seam air-tightness can be improved；
(3) nut is provided with decorative pattern, it is simple to finger goes to tighten pipe interface, it is adaptable to die space is little, it has not been convenient to use
The pipe-line system of instrument；
(4) being fixed with circular rubber blanket on circular protrusions end face, that can improve when port is connected with nitrogen spring is airtight
Property；
(5) present configuration is simple, convenient and practical, can go to tighten at pipe interface by finger, facilitate die space little
Pipe-line system use, meanwhile, the air-tightness of pipe-line system can be improved.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1；
Fig. 2 is embodiment 1 stereo decomposing structural representation；
Fig. 3 is the structural representation of embodiment 2；
Fig. 4 is the structural representation of adaptor described in embodiment 2；
Nut (1), cutting ferrule (2), annulus A (3), annulus B (4), annulus C (5), annulus D (6), draw-in groove (7), annular recess
(9), hexagon protruding (11), circular protrusions (12), circular rubber blanket (13).
Detailed description of the invention
For present disclosure, feature and effect can be further illustrated, hereby enumerate following example and further describe this
Bright.It should be appreciated by those skilled in the art, can be to this on the premise of without departing from the spirit and scope of the present invention
The details of bright technical scheme and form are modified or replace, but these amendments and replacement each fall within protection scope of the present invention.
Embodiment 1:
A kind of pipe fitting joint, including nut 1, gas pipe and cutting ferrule 2, gas pipe is tubular body, outside gas pipe
Surface is sequentially provided with annulus A3, annulus B4, annulus C5 and annulus D6, annulus A3, annulus B4, annulus C5 and annulus D6 from bottom to top
External diameter be sequentially reduced, annulus A3 and annulus B4 is fixing to be connected, and is provided with draw-in groove 7, annulus C5 and institute between annulus B4 and annulus C5
State annulus D6 to be not attached to；
Nut 1 is cylindrical, the nut 1 upper end open diameter outer annular diameter less than annulus A3, and nut 1 upper end open
The diameter outer annular diameter more than or equal to annulus B4, nut 1 inner surface is provided with screw thread, and gas pipe is inserted nut 1 by nut 1 lower end
Upper end open, cutting ferrule 2 is fixed in draw-in groove 7, and described cutting ferrule 2 may be stuck in the top at nut 1 upper end open.Cutting ferrule 2 is for setting
Annulus jaggy, and cutting ferrule 2 outer annular diameter is more than nut 1 upper end open diameter.It is protruding that cutting ferrule 2 internal ring limit is provided with lamellar.
The outer surface of nut 1 is provided with decorative pattern.
Described pipe fitting joint also includes some annular recess 9, and described annular recess 9 is parallel is located at described gas pipe upper end
On outer surface.
Embodiment 2:
On the basis of embodiment 1, described pipe fitting joint also includes adaptor, the two ends of adaptor be external diameter different in
Hollow cylinder, and the two ends of adaptor are equipped with screw thread, the cylindrical external diameter in adaptor upper end is identical with the internal diameter of nut 1, turns
Upper end of joint is connected by screw thread with nut 1, is followed successively by protruding 11 Hes of the hexagon being connected in the middle of adaptor from top to bottom
Circular protrusions 12, the internal diameter of adaptor is identical with the external diameter of gas pipe lower end.
Preferably, adaptor also includes that circular rubber blanket 13, circular rubber blanket 13 are fixed on described circular protrusions 12
One end.
Claims (7)
1. a pipe fitting joint, it is characterised in that: described pipe fitting joint includes nut (1), gas pipe and cutting ferrule (2), described
Gas pipe is tubular body, and the outer surface of described gas pipe is sequentially provided with annulus A (3), annulus B (4), annulus C from bottom to top
(5) and annulus D (6), the external diameter of described annulus A (3), annulus B (4), annulus C (5) and annulus D (6) is sequentially reduced, described annulus
A (3) and annulus B (4) is fixing to be connected, and is provided with draw-in groove (7), described annulus C (5) and institute between described annulus B (4) and annulus C (5)
State annulus D (6) to be not attached to；
Described nut (1) is cylindrical, and described nut (1) upper end open diameter is less than the outer annular diameter of described annulus A (3),
And described nut (1) upper end open diameter is more than or equal to the outer annular diameter of described annulus B (4), described nut (1) inner surface is provided with
Screw thread, described gas pipe is inserted described nut (1) upper end open by described nut (1) lower end, and described cutting ferrule (2) is fixed on institute
State in draw-in groove (7), and described cutting ferrule (2) may be stuck in the top at described nut (1) upper end open.
A kind of pipe fitting joint the most according to claim 1, it is characterised in that: described cutting ferrule (2) for setting annulus jaggy,
And described cutting ferrule (2) outer annular diameter is more than described nut (1) upper end open diameter.
A kind of pipe fitting joint the most according to claim 2, it is characterised in that: described cutting ferrule (2) internal ring limit is provided with lamellar
Protruding.
A kind of pipe fitting joint the most according to claim 1, it is characterised in that: the outer surface of described nut (1) is provided with decorative pattern.
A kind of pipe fitting joint the most according to claim 1, it is characterised in that: described pipe fitting joint also includes some ring-type recessed
Groove (9), described annular recess (9) is parallel to be located on the outer surface of described gas pipe upper end.
A kind of pipe fitting joint the most according to claim 1, it is characterised in that: described pipe fitting joint also includes adaptor, institute
Stating the two ends of adaptor is the different hollow circular cylinder of external diameter, and the two ends of described adaptor are equipped with screw thread, described adaptor
The cylindrical external diameter in upper end is identical with the internal diameter of described nut (1), and screw thread is passed through with described nut (1) in described adaptor upper end
Being connected, described adaptor is followed successively by the hexagon being connected protruding (11) and circular protrusions (12), described switching from top to bottom
The internal diameter of head is identical with the external diameter of described gas pipe lower end.
A kind of pipe fitting joint the most according to claim 6, it is characterised in that: described adaptor also includes circular rubber blanket
(13), described circular rubber blanket (13) is fixed on described circular protrusions (12) one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839339.XA CN106151733A (en) | 2016-09-20 | 2016-09-20 | A kind of pipe fitting joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839339.XA CN106151733A (en) | 2016-09-20 | 2016-09-20 | A kind of pipe fitting joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106151733A true CN106151733A (en) | 2016-11-23 |
Family
ID=57341138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610839339.XA Pending CN106151733A (en) | 2016-09-20 | 2016-09-20 | A kind of pipe fitting joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106151733A (en) |
-
2016
- 2016-09-20 CN CN201610839339.XA patent/CN106151733A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161123 |