CN106439288A - Combined guide pipe - Google Patents
Combined guide pipe Download PDFInfo
- Publication number
- CN106439288A CN106439288A CN201610912058.2A CN201610912058A CN106439288A CN 106439288 A CN106439288 A CN 106439288A CN 201610912058 A CN201610912058 A CN 201610912058A CN 106439288 A CN106439288 A CN 106439288A
- Authority
- CN
- China
- Prior art keywords
- connector
- catheter body
- catheter
- enlarging
- combined
- 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
Links
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
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/025—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges
-
- 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
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/08—Screw-threaded joints; Forms of screw-threads for such joints with supplementary elements
-
- 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
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/005—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts comprising locking means for the threaded member
-
- 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
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/06—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a combined guide pipe. The combined guide pipe comprises a guide pipe body, a first connecting piece, a second connecting piece, and a protective cover, wherein a step joint is arranged at one end of the guide pipe body, and an expansion port is arranged at the other end of the guide pipe body; the first connecting piece and the second connecting piece are arranged on the guide pipe body; and the protective cover is sleeved between the expansion port and the second connecting piece. The first connecting piece and the second connecting piece can relatively move corresponding to the guide pipe body; and two ends of the guide pipe body are connected with external connecting joints through the first connecting piece and the second connecting piece. The combined guide pipe is reliable in connection and excellent in tightness of a no-expansion port joint and an expansion port joint; and compared with the prior art, the combined guide pipe obviously enhances the strength, and prevents the damage problem in use.
Description
Technical field
The present invention relates to hydraulic and pneumatic field, more particularly to a kind of no flared fitting and flared fitting
Connect combined catheter.
Background technology
In prior art, only have or not a kind of free flow coupling of flared type conduit and flared type conduit switching, lack and no expand
A kind of switchover combination conduit that mouth formula joint is connected with flared fitting.
In prior art, pipe end is typically extended angled (usually 74 °) with forming tool by flared type conduit.
In prior art, no flared type conduit has ferrule-type compression joint and two kinds of extruding pipe joint, mainly by special
Mould pressurizing so that the pipeline that pipe box is deformed pressing together with the tube wall of conduit is connected, mainly pass through interference fit
Connect.Do not need to carry out enlarging shaping to conduit as flared fitting.Using this structure, when no flared type conduit
Diameter be less than≤12mm when, between conduit and pipe box, effective lifting surface area is little, thus leading to the connection between conduit and pipe box
Intensity relatively poor (interference fit problem), in conduit process of the test, in the presence of determining torque wrench between conduit and pipe box
Easily occur loosening and lead to gas leakage.Additionally, conduit is outside during the Long-Time Service of field, due to the outer spiral shell of existing free flow coupling
The moment when internal thread of line and catheter jacket nut is tightened produces larger axial force, no easy at the pipe box of flared type conduit
Deformed (strength problem) by this pulling force.
Thus, it is desirable to have a kind of technical scheme is filling up a kind of switching group that no flared fitting is connected with flared fitting
Close conduit blank, overcome or at least mitigate at least one drawbacks described above of prior art.
Content of the invention
It is an object of the invention to provide a kind of combined catheter come to overcome or at least mitigate prior art at least one on
State defect.
For achieving the above object, the present invention provides a kind of combined catheter.Described combined catheter includes：Catheter body, described
Ladder joint is provided with one end of catheter body, the other end is provided with enlarging；First connector and the second connector, institute
State the first connector and described second connector is arranged in catheter body；Protective case, described protective case is socketed in described expansion
Between mouth and described second connector.Wherein, described first connector and described second connector being capable of relatively described conduits
Body relative motion；Described catheter body two ends are used for connecting with external connector by the first connector and described second connector
Connect.
Preferably, the first connector is arranged on one end with ladder joint of catheter body, and the second connector is arranged on
One end with enlarging of catheter body.
Preferably, described first connector and described second connector are cap nut.
Preferably, described catheter body is made with stainless steel material.
Preferably, described ladder joint and described catheter body are integrally formed, and described enlarging is with described catheter body integrally
Shaping.
Preferably, described catheter body is provided with and is provided with protective case on one end of enlarging, described protective case is socketed in
Between described enlarging and described second connector, it is used for preventing described enlarging stress deformation.
Preferably, described first cap nut is nut made in Great Britain, and described second cap nut is metric system nut.
Preferably, the external diameter of described catheter body is less than 12 millimeters.
In combined catheter in the present invention, ladder joint and described catheter body are integrally formed composition one no enlarging knot
The two ends of catheter body are connected with external connector, thus abandoning over by structure by the first connector and the second connector
Conduit and pipe box using this usual technological means becoming fixed pattern of interference fit, with respect to prior art it will be apparent that increasing
The intensity of strong combined catheter is it is therefore prevented that the damage problem when using for the combined catheter.
Brief description
Fig. 1 is the structural representation of combined catheter according to an embodiment of the invention.
Description of reference numerals：1st, catheter body；2nd, the first connector；3rd, protective case；4th, the second connector；5th, ladder connects
Head；6th, enlarging
Specific embodiment
For making purpose, technical scheme and advantage that the present invention is implemented clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from start to finish or class
As the label element that represents same or similar element or there is same or like function.Described embodiment is the present invention
A part of embodiment, rather than whole embodiments.Embodiment below with reference to Description of Drawings is exemplary it is intended to use
In the explanation present invention, and it is not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of not making creative work, broadly falls into the scope of protection of the invention.Under
Face combines accompanying drawing and embodiments of the invention is described in detail.
In describing the invention it is to be understood that term " " center ", " longitudinal ", " horizontal ", "front", "rear",
The orientation of instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " or position relationship are based on accompanying drawing institute
The orientation showing or position relationship, are for only for ease of the description present invention and simplify description, rather than the dress of instruction or hint indication
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that protecting to the present invention
The restriction of scope.
The combined catheter of the present invention includes catheter body, the first connector and the second connector, protective case, catheter body
One end on be provided with ladder joint, the other end is provided with enlarging；First connector and the second connector are arranged on conduit
On body；Protective case is socketed between enlarging and the second connector.Wherein, the first connector and the second connector can be relatively
Catheter body relative motion；Catheter body two ends are used for being connected with external connector by the first connector and the second connector.
In combined catheter in the present invention, ladder joint and described catheter body are integrally formed composition one no enlarging knot
The two ends of catheter body are connected with external connector, thus abandoning over by structure by the first connector and the second connector
Conduit and pipe box using this usual technological means becoming fixed pattern of interference fit, with respect to prior art it will be apparent that increasing
The intensity of strong combined catheter is it is therefore prevented that the damage problem when using for the combined catheter.
Fig. 1 is the structural representation of combined catheter according to an embodiment of the invention.
Referring to Fig. 1, in the present embodiment, combined catheter include catheter body 1, the first connector 2, the second connector 4 with
And protective case 3.
Referring to Fig. 1, in the present embodiment, one end of catheter body 1 is provided with ladder joint 5, the other end is provided with
Enlarging 6.It is understood that one end simultaneously indistinction mutual with the one end being provided with enlarging 6 being provided with ladder joint 5, permissible
Mutually exchange.
In the present embodiment, the angle that extends out of enlarging 6 is usually 74 degree.It is understood that this angle can be according to need
Want and voluntarily modulate.For example, the angle that extends out of this enlarging is 75 degree, 90 degree etc..
Referring to Fig. 1, in the present embodiment, the first connector 2 and the second connector 4 are arranged on 1 in catheter body；Its
In, the first connector 2 and the second connector 4 being capable of catheter body 1 relative motions relatively；Catheter body 1 two ends are used for passing through
First connector 2 and the second connector 4 are connected with external connector.Specifically, in the present embodiment, the first connector 2 is arranged
In one end with ladder joint 5 of catheter body 1, the second connector 4 is arranged on one end with enlarging 6 of catheter body 1.
It is understood that the first connector 2 can exchange with the position of the second connector 4.
Referring to Fig. 1, in the present embodiment, the first connector 2 and the second connector 4 are cap nut, the first connector 2 with
Second connector 4 is connected with external connector by screw thread.It is understood that in an alternative embodiment, the first connector 2
It is cap nut with the second connector 4, for threadeding with external connector.
Referring to Fig. 1, in the present embodiment, catheter body 1 is made with stainless steel material.In such manner, it is possible to prevent from being corroded,
Thus damaging catheter body, and the intensity of catheter body can be increased.
Referring to Fig. 1, in the present embodiment, ladder joint 5 is integrally formed with catheter body 6, enlarging 6 and catheter body 1 one
Body formed.Adopt in this way, the intensity of the combined catheter of the present invention can be further enhanced.
It is understood that in an alternative embodiment, above-mentioned ladder joint can also be with catheter body with enlarging
Split manufactures, and fits together.Using this structure, facilitate catheter body and the manufacture of ladder joint, the mould of enlarging.
Referring to Fig. 1, in the present embodiment, one end catheter body 1 being provided with enlarging 6 is provided with protective case 3, protection
Set 3 is socketed between enlarging 6 and the second connector 4, is used for preventing enlarging 6 stress deformation.And further increase catheter body
Bonding strength and enlarging between.It is understood that protective case by gap coordinate etc. mode be arranged on enlarging with second
Between connector.
Referring to Fig. 1, in the present embodiment, the first cap nut 2 is nut made in Great Britain, and the second cap nut 3 is metric system nut.
Advantageously, the external diameter of catheter body 1 is less than 12 millimeters.Under this outside dimension limits, best embody above-mentioned
The raising in intensity that the structure of combined catheter is brought.
It is enlarging that prior art does not have one end, and one end is the conduit of no enlarging.
Last it is to be noted that：Above example only in order to technical scheme to be described, is not intended to limit.To the greatest extent
Pipe has been described in detail to the present invention with reference to the foregoing embodiments, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or wherein some technical characteristics are carried out with equivalent replacing
Change；And these modifications or replacement, do not make the essence of appropriate technical solution depart from the essence of various embodiments of the present invention technical scheme
God and scope.
Claims (8)
1. a kind of combined catheter is it is characterised in that described combined catheter includes：Catheter body (1), described catheter body (1)
Ladder joint (5) is provided with one end, the other end is provided with enlarging (6)；First connector (2) and the second connector (4),
Described first connector (2) and described second connector (4) are arranged in catheter body (1)；Wherein, described first connector
And described second connector (4) being capable of described catheter body (1) relative motion relatively (2)；Described catheter body (1) two ends are used
In being connected with external connector by the first connector (2) and described second connector (4)；Protective case (3), described protective case
(3) it is socketed between described enlarging (6) and described second connector (4).
2. combined catheter as claimed in claim 1 is it is characterised in that the first connector (2) is arranged on the tool of catheter body (1)
There is one end of ladder joint (5), the second connector (4) is arranged on one end with enlarging (6) of catheter body (1).
3. combined catheter as claimed in claim 1 is it is characterised in that described first connector (2) and described second connects
Part (4) is cap nut.
4. combined catheter as claimed in claim 1 is it is characterised in that described catheter body (1) is made with stainless steel material.
5. combined catheter as claimed in claim 1 is it is characterised in that described ladder joint (5) and described catheter body (1)
Body formed, described enlarging (6) and described catheter body (1) are integrally formed.
6. combined catheter as claimed in claim 5 is it is characterised in that be provided with the one of enlarging (6) in described catheter body (1)
Protective case (3) is provided with end, described protective case (3) is socketed between described enlarging (6) and described second connector (4), uses
In preventing described enlarging (6) stress deformation.
7. combined catheter as claimed in claim 6 is it is characterised in that described first cap nut (2) is nut made in Great Britain, described
Second cap nut (4) is metric system nut.
8. combined catheter as claimed in claim 1 is it is characterised in that the external diameter of described catheter body (1) is less than 12 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610912058.2A CN106439288A (en) | 2016-10-19 | 2016-10-19 | Combined guide pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610912058.2A CN106439288A (en) | 2016-10-19 | 2016-10-19 | Combined guide pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106439288A true CN106439288A (en) | 2017-02-22 |
Family
ID=58176614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610912058.2A Pending CN106439288A (en) | 2016-10-19 | 2016-10-19 | Combined guide pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106439288A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748721A (en) * | 2019-09-03 | 2020-02-04 | 宜宾三江机械有限责任公司 | Non-flared catheter assembly and method of manufacturing the same |
| CN111346979A (en) * | 2018-12-21 | 2020-06-30 | 宜宾三江机械有限责任公司 | Flaring-free guide pipe rolling connection device and method |
| CN113404947A (en) * | 2021-07-28 | 2021-09-17 | 大连长之琳科技发展有限公司 | System pipeline based on rolling type combined guide pipe and assembling method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5042845A (en) * | 1989-10-16 | 1991-08-27 | Twin City Hose, Inc. | Filler adapter |
| CN201396530Y (en) * | 2009-02-20 | 2010-02-03 | 陈国全 | Gas burning appliance connecting pipe |
| TW201411019A (en) * | 2012-07-17 | 2014-03-16 | Kiyosi Nishio | Coupling and coupling assembly |
| CN204099786U (en) * | 2014-07-29 | 2015-01-14 | 山东永志石油装备有限公司 | Flared type pipe connecting device |
| CN104595602A (en) * | 2014-11-27 | 2015-05-06 | 宁波福士汽车部件有限公司 | Engine oil tube assembly and manufacturing method of engine oil tube assembly |
| CN105889663A (en) * | 2016-06-20 | 2016-08-24 | 新昌县恒杰空调部件有限公司 | Air conditioner part-to-part pipeline connecting device |
-
2016
- 2016-10-19 CN CN201610912058.2A patent/CN106439288A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5042845A (en) * | 1989-10-16 | 1991-08-27 | Twin City Hose, Inc. | Filler adapter |
| CN201396530Y (en) * | 2009-02-20 | 2010-02-03 | 陈国全 | Gas burning appliance connecting pipe |
| TW201411019A (en) * | 2012-07-17 | 2014-03-16 | Kiyosi Nishio | Coupling and coupling assembly |
| CN204099786U (en) * | 2014-07-29 | 2015-01-14 | 山东永志石油装备有限公司 | Flared type pipe connecting device |
| CN104595602A (en) * | 2014-11-27 | 2015-05-06 | 宁波福士汽车部件有限公司 | Engine oil tube assembly and manufacturing method of engine oil tube assembly |
| CN105889663A (en) * | 2016-06-20 | 2016-08-24 | 新昌县恒杰空调部件有限公司 | Air conditioner part-to-part pipeline connecting device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111346979A (en) * | 2018-12-21 | 2020-06-30 | 宜宾三江机械有限责任公司 | Flaring-free guide pipe rolling connection device and method |
| CN110748721A (en) * | 2019-09-03 | 2020-02-04 | 宜宾三江机械有限责任公司 | Non-flared catheter assembly and method of manufacturing the same |
| CN113404947A (en) * | 2021-07-28 | 2021-09-17 | 大连长之琳科技发展有限公司 | System pipeline based on rolling type combined guide pipe and assembling method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |