CN106090475A - A kind of ferrule-type compression joint - Google Patents
A kind of ferrule-type compression joint Download PDFInfo
- Publication number
- CN106090475A CN106090475A CN201610688602.XA CN201610688602A CN106090475A CN 106090475 A CN106090475 A CN 106090475A CN 201610688602 A CN201610688602 A CN 201610688602A CN 106090475 A CN106090475 A CN 106090475A
- Authority
- CN
- China
- Prior art keywords
- clip
- nut
- fittings body
- face
- baffle plate
- 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
- F16L19/06—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
- F16L19/065—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 the wedging action being effected by means of a ring
-
- 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
- F16L19/0212—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
- F16L19/0218—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means comprising only sealing rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a kind of ferrule-type compression joint, for realizing being tightly connected of two connecting tubes；Including nut, cutting ferrule and fittings body；Described cutting ferrule includes clip, baffle plate and O-ring seals；The inner threaded surface of nut is connected with the external screw thread face threaded engagement of fittings body, the male-tapered face laminating of the inner conical face of nut and clip；O-ring seals is inlaid in the caulking groove set by fittings body, and baffle-plate-sleeve is connected on the outer wall of connecting tube, is placed between clip and O-ring seals；By rotating nut, promote clip to move towards fittings body, and then drive baffle plate to compress sealing ring.Therefore, advantage held tightly by the machinery that present invention utilizes former ferrule-type compression joint cutting ferrule, have employed again the feature that the sealing property of soft seal is outstanding simultaneously, it is achieved complete to seal and two kinds of linkage functions of fastening.
Description
Technical field
The present invention relates to a kind of ferrule-type compression joint.
Background technology
For convection cell transmission pipeline, ferrule-type compression joint, because of its can realizing self disassembling easy to use, be widely used in hydraulic pressure
In system.Ferrule-type compression joint utilizes cutting ferrule deformation block pipe and seal, easy to use, is widely used in hydraulic system
In, it is adaptable to oil, gas and the pipe-line system of general corrosion medium, see GB3733.1～3,765 2008.
But above-mentioned pipe joint has a weakness: i.e. fastening and sealing is all to be realized by cutting ferrule.Owing to cutting ferrule is to connector
And the sealing of connecting tube, it being the sealing between two precision optical machinery machined surfaces, belong to hard and seal, its sealing property is by the shape of metal surface
Condition impact is very big, and cutting ferrule is being extruded the most flat by connecting leg faying face more light, and the sealing of connection is the best, for the antidetonation connected
Property or vibration resistance, not only high to the precision of cutting ferrule and requirement of strength, and require that pipe sizing precision is high, need to use cold drawing steel tube, no
Then sealing property is unstable, is easily generated leakage during installing and using.
Summary of the invention
The shortcoming that the present invention is directed to above clamping sleeve blow-out patch, seals cutting ferrule and changes round section joint ring soft seal into, and soft seal reduces
The hard sealing requirement to sealing surface, makes the sealing reliable.Feature is that the machinery that make use of former ferrule-type compression joint cutting ferrule is held tightly excellent
Point, have employed again the feature that the sealing property of soft seal is outstanding simultaneously, it is achieved complete to seal and two kinds of linkage functions of fastening.
A kind of ferrule-type compression joint, for realizing being tightly connected of two connecting tubes；Including nut, cutting ferrule and fittings body；
Described cutting ferrule includes clip, baffle plate and O-ring seals；Wherein:
One end of nut intracavity arranges inner conical face, and the other end then arranges inner threaded surface；
The outer wall of fittings body has the external screw thread face being connected with inner threaded surface, and the inner chamber of fittings body has and is connected
The connecting hole a that pipe outer wall is adaptive, fittings body position outside connecting hole a is provided with for putting O shape close simultaneously
The caulking groove of seal；
Described clip is round table-like setting, and clip is provided with the connecting hole b mated with connecting tube outer wall along axis, and blocks
The outer wall of hoop then has the male-tapered face that the inner conical face with nut coordinates；
The inner threaded surface of nut is connected with the external screw thread face threaded engagement of fittings body, outside the inner conical face of nut is with clip
Taper surface is fitted；O-ring seals is inlaid in the caulking groove set by fittings body, and baffle-plate-sleeve is connected on the outer wall of connecting tube, is placed in
Between clip and O-ring seals；
By rotating nut, promote clip to move towards fittings body, and then drive baffle plate to compress sealing ring.
As a further improvement on the present invention, connecting hole b, at the front position being in round table-like clip, is provided with anti-skidding
Groove；This anti-slip tank is the cannelure with some otch being distributed ringwise.
As a further improvement on the present invention, the cross sectional shape of described caulking groove is isosceles trapezoid shape, and the inner ring of sealing ring is tight
Hoop is at connecting tube outer wall, and the outer ring of sealing ring is tangent with the sidewall of caulking groove, and the both sides of sealing ring are then pressed on the bottom of caulking groove
And between the plate face of baffle plate.
As a further improvement on the present invention, described baffle plate is circular setting, and the outside diameter of baffle plate is more than round platform
The external diameter of the big end of shape clip, meanwhile, the outside diameter of baffle plate is more than the outside diameter of O-ring seals.
As a further improvement on the present invention, the internal diameter of described nut intracavity inner conical face small end is more than clip male-tapered face
The external diameter of small end, and the internal diameter of the big end in nut intracavity inner conical face is less than the external diameter of the big end in clip male-tapered face.
According to above-mentioned technical scheme, relative to prior art, the present invention has a following beneficial effect:
Existing cutting ferrule is sealed and changes O soft seal into by the present invention, and soft seal reduces hard sealing and wants sealing surface
Ask, make sealing reliable.Feature is to make use of the machinery of former ferrule-type compression joint cutting ferrule to hold advantage tightly, have employed again soft seal simultaneously
The outstanding feature of sealing property, it is achieved complete to seal and two kinds of linkage functions of fastening.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structure for amplifying schematic diagram of I part in Fig. 1；
In Fig. 1 to Fig. 2: 1 nut；2 clips；3 baffle plates；4 sealing rings；5 fittings bodies；6 connecting tubes；7 anti-slip tanks.
Detailed description of the invention
Technical scheme involved in the present invention is explained below with reference to accompanying drawing.
As shown in Figure 1 and Figure 2, ferrule-type compression joint of the present invention, for realizing being tightly connected of two connecting tubes；Bag
Include nut, cutting ferrule and fittings body；Described cutting ferrule includes clip, baffle plate and O-ring seals；Wherein:
One end of nut intracavity arranges inner conical face, and the other end then arranges inner threaded surface；
The outer wall of fittings body has the external screw thread face being connected with inner threaded surface, and the inner chamber of fittings body has and is connected
The connecting hole a that pipe outer wall is adaptive, fittings body position outside connecting hole a is provided with for putting O shape close simultaneously
The caulking groove of seal；
Described clip is round table-like setting, and clip is provided with the connecting hole b mated with connecting tube outer wall along axis, and blocks
The outer wall of hoop then has the male-tapered face that the inner conical face with nut coordinates；
The inner threaded surface of nut is connected with the external screw thread face threaded engagement of fittings body, outside the inner conical face of nut is with clip
Taper surface is fitted；O-ring seals is inlaid in the caulking groove set by fittings body, and baffle-plate-sleeve is connected on the outer wall of connecting tube, is placed in
Between clip and O-ring seals；
By rotating nut, promote clip to move towards fittings body, and then drive baffle plate to compress sealing ring.
Connecting hole b, at the front position being in round table-like clip, is provided with anti-slip tank, increases and connecting tube is held tightly effect
Really；This anti-slip tank is the cannelure with some otch being distributed ringwise.
As a further improvement on the present invention, the cross sectional shape of described caulking groove is isosceles trapezoid shape, and the inner ring of sealing ring is tight
Hoop is at connecting tube outer wall, and the outer ring of sealing ring is tangent with the sidewall of caulking groove, and the both sides of sealing ring are then pressed on the bottom of caulking groove
And between the plate face of baffle plate.Described baffle plate is circular setting, and the outside diameter of baffle plate is more than outside the big end of round table-like clip
Footpath, meanwhile, the outside diameter of baffle plate is more than the outside diameter of O-ring seals.The internal diameter of described nut intracavity inner conical face small end
More than the external diameter of clip male-tapered face small end, and the internal diameter of the big end in nut intracavity inner conical face is less than the big end in clip male-tapered face
External diameter.
Its work process is as follows, sees schematic diagram, and nut 1 rotates that to promote cutting ferrule 2 and baffle plate 3 to compress RUBBER O shape forward close
Seal 4, realizes sealing reliably now by soft seal.Continue precession nut, owing to nut inner hole and the outer garden of cutting ferrule are designed to
The taper cooperated, cutting ferrule chance plate washer advances and is obstructed, and opening cutting ferrule stress is decomposed, and opening cutting ferrule is contracted by radial force, cutting ferrule
Inwall anti-slip tank is set, continue precession nut, cutting ferrule is hugged connecting tube by radial force, completes to seal and two kinds of connections of fastening
Function.Cutting ferrule designing points: external taper coordinates with nut inner hole cone, and tapering size is relevant with clamping force, and endoporus arranges anti-slip tank
Increase and hold effect tightly.
Claims (5)
1. a ferrule-type compression joint, for realizing being tightly connected of two connecting tubes；Including nut, cutting ferrule and fittings body；Its
Being characterised by, described cutting ferrule includes clip, baffle plate and O-ring seals；Wherein:
One end of nut intracavity arranges inner conical face, and the other end then arranges inner threaded surface；
The outer wall of fittings body has the external screw thread face being connected with inner threaded surface, and outside the inner chamber of fittings body has with connecting tube
The connecting hole a that wall is adaptive, fittings body position outside connecting hole a is provided with for putting O-ring seals simultaneously
Caulking groove；
Described clip is round table-like setting, and clip is provided with the connecting hole b mated with connecting tube outer wall along axis, and clip
Outer wall then has the male-tapered face that the inner conical face with nut coordinates；
The inner threaded surface of nut is connected with the external screw thread face threaded engagement of fittings body, the inner conical face of nut and the male-tapered of clip
Fit in face；O-ring seals is inlaid in the caulking groove set by fittings body, and baffle-plate-sleeve is connected on the outer wall of connecting tube, is placed in clip
And between O-ring seals；
By rotating nut, promote clip to move towards fittings body, and then drive baffle plate to compress sealing ring.
Collar joint the most according to claim 1, it is characterised in that connecting hole b is being in the front end of round table-like clip
Position, is provided with anti-slip tank；This anti-slip tank is the cannelure with some otch being distributed ringwise.
Collar joint the most according to claim 1, it is characterised in that the cross sectional shape of described caulking groove is isosceles trapezoid
Shape, the inner ring lock ring of sealing ring is at connecting tube outer wall, and the outer ring of sealing ring is tangent with the sidewall of caulking groove, and the both sides of sealing ring are then
It is pressed between the bottom of caulking groove and the plate face of baffle plate.
Collar joint the most according to claim 1, it is characterised in that described baffle plate is circular setting, and baffle plate
Outside diameter is more than the external diameter of the big end of round table-like clip, and meanwhile, the outside diameter of baffle plate is more than the outside diameter of O-ring seals.
Collar joint the most according to claim 1, it is characterised in that the internal diameter of described nut intracavity inner conical face small end
More than the external diameter of clip male-tapered face small end, and the internal diameter of the big end in nut intracavity inner conical face is less than the big end in clip male-tapered face
External diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610688602.XA CN106090475A (en) | 2016-08-17 | 2016-08-17 | A kind of ferrule-type compression joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610688602.XA CN106090475A (en) | 2016-08-17 | 2016-08-17 | A kind of ferrule-type compression joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106090475A true CN106090475A (en) | 2016-11-09 |
Family
ID=58070066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610688602.XA Pending CN106090475A (en) | 2016-08-17 | 2016-08-17 | A kind of ferrule-type compression joint |
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| Country | Link |
|---|---|
| CN (1) | CN106090475A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571613A (en) * | 2016-11-15 | 2017-04-19 | 江苏泰普特电气仪表有限公司 | Novel explosion-proof armor stuffing box |
| CN107559509A (en) * | 2017-07-26 | 2018-01-09 | 盐城润浩密封件科技有限公司 | A kind of water pipe head fixing seals |
| CN108801797A (en) * | 2017-04-27 | 2018-11-13 | 天津台信检测技术有限公司 | The resistance to pressuring oil pipe pressure resistance of automobile and explosion bulge test device |
| CN110469729A (en) * | 2019-08-26 | 2019-11-19 | 广东国鸿氢能科技有限公司 | A kind of novel clamp sleeve type pipe joint |
| US20220132752A1 (en) * | 2020-11-02 | 2022-05-05 | Yi Feng | Greenhouse |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US768228A (en) * | 1903-12-15 | 1904-08-23 | Daniel Hurst | Joint for tubing or pipes. |
| CN2264832Y (en) * | 1996-10-18 | 1997-10-15 | 川路塑胶有限公司 | Multi-functional pipe joint |
| CN2388458Y (en) * | 1999-09-06 | 2000-07-19 | 李立 | Clamping type pipe joint |
| CN2594593Y (en) * | 2003-01-14 | 2003-12-24 | 浙江省天台山金属制品有限公司 | Sealed pipe joint without screw thread |
| CN202580374U (en) * | 2012-03-02 | 2012-12-05 | 江苏星河集团有限公司 | Compression type pipe joint |
| CN204879153U (en) * | 2015-08-21 | 2015-12-16 | 银川艾尼工业科技开发有限公司 | Internal thread spinning formula conduit coupling |
| CN205991254U (en) * | 2016-08-17 | 2017-03-01 | 江苏海纳机电集团有限公司 | A kind of ferrule-type compression joint |
-
2016
- 2016-08-17 CN CN201610688602.XA patent/CN106090475A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US768228A (en) * | 1903-12-15 | 1904-08-23 | Daniel Hurst | Joint for tubing or pipes. |
| CN2264832Y (en) * | 1996-10-18 | 1997-10-15 | 川路塑胶有限公司 | Multi-functional pipe joint |
| CN2388458Y (en) * | 1999-09-06 | 2000-07-19 | 李立 | Clamping type pipe joint |
| CN2594593Y (en) * | 2003-01-14 | 2003-12-24 | 浙江省天台山金属制品有限公司 | Sealed pipe joint without screw thread |
| CN202580374U (en) * | 2012-03-02 | 2012-12-05 | 江苏星河集团有限公司 | Compression type pipe joint |
| CN204879153U (en) * | 2015-08-21 | 2015-12-16 | 银川艾尼工业科技开发有限公司 | Internal thread spinning formula conduit coupling |
| CN205991254U (en) * | 2016-08-17 | 2017-03-01 | 江苏海纳机电集团有限公司 | A kind of ferrule-type compression joint |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571613A (en) * | 2016-11-15 | 2017-04-19 | 江苏泰普特电气仪表有限公司 | Novel explosion-proof armor stuffing box |
| CN108801797A (en) * | 2017-04-27 | 2018-11-13 | 天津台信检测技术有限公司 | The resistance to pressuring oil pipe pressure resistance of automobile and explosion bulge test device |
| CN107559509A (en) * | 2017-07-26 | 2018-01-09 | 盐城润浩密封件科技有限公司 | A kind of water pipe head fixing seals |
| CN110469729A (en) * | 2019-08-26 | 2019-11-19 | 广东国鸿氢能科技有限公司 | A kind of novel clamp sleeve type pipe joint |
| US20220132752A1 (en) * | 2020-11-02 | 2022-05-05 | Yi Feng | Greenhouse |
| US11937563B2 (en) * | 2020-11-02 | 2024-03-26 | Yi Feng | Greenhouse |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161109 |
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| RJ01 | Rejection of invention patent application after publication |