CN107893886A - A kind of application method of rack-and-pinion hose coupling - Google Patents
A kind of application method of rack-and-pinion hose coupling Download PDFInfo
- Publication number
- CN107893886A CN107893886A CN201711040084.1A CN201711040084A CN107893886A CN 107893886 A CN107893886 A CN 107893886A CN 201711040084 A CN201711040084 A CN 201711040084A CN 107893886 A CN107893886 A CN 107893886A
- Authority
- CN
- China
- Prior art keywords
- rack
- flexible pipe
- waiting
- changeover portion
- pinion
- 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.)
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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
- F16L33/22—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
- F16L33/222—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts the external piece comprising segments pressed against the hose by wedge shaped elements
Abstract
The invention discloses a kind of application method of rack-and-pinion hose coupling, comprise the following steps：（1）First 2 nut sleeves are respectively sleeved on two sections flexible pipe waiting, the inner threaded surface of nut sleeve is outwardly；（2）Two section flexible pipes waiting are covered to the both ends of joint pipe body respectively, at mouthpiece cover to the fixed cover of flexible pipe waiting；（3）Nut sleeve and thread segment are screwed, the end of rack is protruded by arcwall face extruding, and the tube wall of flexible pipe waiting is squeezed on taper surface by the end of the rack protruded；（4）During dismounting, thread segment and nut sleeve are unscrewed, the movable sleeve of homonymy is recovered away from socket changeover portion, rack end by protruding state to non-protruding state, you can to drag down flexible pipe waiting from socket changeover portion.Compared with prior art, the beneficial effects of the invention are as follows：Installation and removal are convenient, easy to operate, laborsaving, and are not easy to leak, less easy to fall off.
Description
Technical field
The present invention relates to a kind of application method of rack-and-pinion hose coupling.
Background technology
At the production operation scene of enterprise, often there are some equipment using gas or liquid-working-medium, the conveying of medium
Pipeline uses flexible pipe, the connection of all kinds of high and low pressure flexible pipes using being a kind of commonplace phenomenon, especially with oxygen, combustion gas,
Compressed air and nitrogen, hydrogen, argon, carbon dioxide etc. are even more so for the hot-working unit of working media.The connection side of flexible pipe
Formula is typically all using iron wire binding or pipe collar (including being squeezed into pattern pipe collar and screw tension-type pipe collar) connection, this three kinds connections
The common feature of mode is tied or banding flexible pipe is produced internal withdraw type crimp, by the inner surface or inner tube of flexible pipe
Inner surface, it is anti-slip between tube core (back taper surface pipe joint or smooth straight joint with concentric reducer diameter) outer surface with being connected
Frictional resistance realizes sealing and connection, and its attachment force only results from pipe internal surface, in the case of without using special tooling, instrument
Its bonding strength, sealing are not easy to ensure, easily leaked, or even come off, and charge and discharge operations are cumbersome, laborious.
CN201010242427.4 discloses a kind of hose coupling, is combined by tube expansion bolt, banded penstock nut, connection nut living
Form；The tube expansion bolt has integrally-built thread segment and cylindric bolt head, the external diameter of thread segment and connected flexible pipe
Internal diameter match, there is longitudinal hole at the center of the bolt, and the cross sectional shape of the through hole has two kinds, wherein corresponding thread segment part is
Circular hole, corresponding bolt head part is regular polygon driving hole；The endoporus of the banded penstock nut is shoulder hole, and reduced diameter section is screw thread
Hole, match with the screw thread of tube expansion bolt, the inner wall surface of enlarged diameter section is non slip surface, is matched with the external diameter of connected flexible pipe, soft
Manage in the gap between the enlarged diameter section and tube expansion bolt thread section；The endoporus of the connection nut living is shoulder hole, small
Diameter segment is unthreaded hole, and for empty set on the cylinder of tube expansion bolt thread Duan Wai gardens, aperture is slightly larger than the external diameter of tube expansion bolt thread section,
Enlarged diameter section is screwed hole, is matched with the external screw thread of connected frock, instrument, the internal diameter of the screwed hole is slightly larger than tube expansion bolt spiral shell
The external diameter of bolt head, bolt head are located in the screwed hole.
Its advantage is：Bonding strength is high, good seal performance, is not easy to leak, less easy to fall off, and loading, unloading are without special
It is easy to operate, quick, laborsaving with instrument, it can complete by hand.
But its shortcoming is：It is divided into three parts, needs size to cooperate between each other, process is cumbersome.
CN200780048258.7 discloses a kind of pipe joint, and it includes the convex shape of cylindrical shape, inserted for above-mentioned convex shape
Cylindric concave body, the locking and above-mentioned convex shape of combination and the elastic annular fixture structural unit of above-mentioned concave body entered, wherein, on
Stating convex shape includes the first cylindrical portion from its root towards front end, has with above-mentioned first cylindrical portion identical external diameter or than above-mentioned
Second cylindrical portion of the small external diameter of the first cylindrical portion, from the inside inclined outside tapered portion in side of above-mentioned second cylindrical portion；It is above-mentioned convex
Body also has endless groove between above-mentioned first cylindrical portion and above-mentioned second cylindrical portion；Above-mentioned concave body is inserted with above-mentioned convex from it
The opening portion of body towards it is internal include and be inserted with above-mentioned convex shape when contacted with above-mentioned first cylindrical portion the first internal face, with it is upper
State the second internal face of the second cylindrical portion contact, from the above-mentioned inclined inner side tapered portion of the inward-facing side of second inwall；Above-mentioned spill
Body is also configured with above-mentioned elastic annular fixture structural unit between above-mentioned first internal face and above-mentioned second internal face, and with by upper
The two-stage that the holding tank for stating the locking groove of opening portion side and above-mentioned private side is adjacent and is formed；The radius of above-mentioned holding tank is formed
The radius of above-mentioned second cylindrical portion must be more than plus length, above-mentioned ring-type obtained from the diameter of above-mentioned elastic annular fixture structural unit
The depth of depth and above-mentioned locking groove away from above-mentioned first internal face of above-mentioned first cylindrical portion of slot pitch is formed larger than above-mentioned elasticity
The diameter of ring-type fixture structural unit；Above-mentioned elastic annular fixture structural unit has a part for cutting away ring-type and the gap that is formed, in it
All diameters are formed smaller than the external diameter of above-mentioned second cylindrical portion；Between the wall and axis of the above-mentioned front of above-mentioned endless groove
Angle is 90 °~45 °, angle between the wall and axis of the above-mentioned opening portion side of above-mentioned locking groove be more than or equal to 30 ° and
Less than 90 °；Angle between the wall and axis of the above-mentioned front of above-mentioned endless groove is set more than above-mentioned locking groove
Angle between the wall and axis of above-mentioned opening portion side；Above-mentioned convex shape has in the above-mentioned front of above-mentioned outside tapered portion
3rd cylindrical portion；Above-mentioned concave body is when the above-mentioned private side of above-mentioned inner side tapered portion has and is inserted with above-mentioned convex shape with above-mentioned the
3rd internal face of three cylindrical portions contact；The pipe joint has the sealing for accommodating the elastic annular containment member for being used to seal fluid
Component holding tank, the containment member holding tank is across above-mentioned 3rd internal face or across above-mentioned 3rd internal face and above-mentioned the
Both three cylindrical portions；Above-mentioned elastic ring is configured with the above-mentioned containment member holding tank being formed on above-mentioned 3rd internal face
Shape containment member；Length on the axis direction of above-mentioned second cylindrical portion is being set to A, from the identical outer of above-mentioned 3rd cylindrical portion
The front end of path portion is to after the above-mentioned root side of above-mentioned elastic annular containment member and the contact portion of above-mentioned 3rd cylindrical portion
When length on the axis direction at end is set to B, meet A ＞ B relation.
Its shortcoming is that structure is excessively complicated.
The content of the invention
The present invention needs to solve the problems, such as to be to be directed to above-mentioned the deficiencies in the prior art, and provides a kind of rack-and-pinion hose coupling
Application method.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of application method of rack-and-pinion hose coupling, comprises the following steps：
（1）First 2 nut sleeves are respectively sleeved on two sections flexible pipe waiting, the inner threaded surface of nut sleeve is outwardly；
（2）Two section flexible pipes waiting are covered to the both ends of joint pipe body respectively, at mouthpiece cover to the fixed cover of flexible pipe waiting；
（3）Nut sleeve and thread segment are screwed, is actively set on and is oriented to groove and moves closer to cover under the guide effect of guiding fin
Changeover portion is connect, the end of rack moves closer to socket changeover portion, until being protruded by arcwall face extruding, the end of the rack protruded
The tube wall of flexible pipe waiting is squeezed on taper surface by portion；
（4）During dismounting, thread segment and nut sleeve are unscrewed, making the movable sleeve of homonymy, rack end is by convex away from socket changeover portion
Do well and recover to non-protruding state, you can drag down flexible pipe waiting from socket changeover portion.
The external diameter of fixed cover is adapted with the internal diameter of flexible pipe waiting.
Be socketed changeover portion longitudinal section it is tapered, small end outwardly, and be socketed changeover portion outer circumference surface be provided with anti-slide saw
Tooth, center of the saw cutting edge of a knife or a sword towards joint pipe body of anti-skidding sawtooth.
The length of rack is more than the width of fixed cover.
The width of nut sleeve adds the width of thread segment more than the width of fixed cover.
Compared with prior art, the beneficial effects of the invention are as follows：Installation and removal are convenient, easy to operate, laborsaving, and are not easy
Leakage, it is less easy to fall off.
Brief description of the drawings
Fig. 1 is the structural representation of the rack-and-pinion hose coupling of the present invention.
Wherein, 1- joint pipe bodies, 2- socket changeover portions, 3- fixed covers, 4- movable sleeves, 5- nut sleeves, 6- thread segments, 7- teeth
Bar, 8- are oriented to fin, 9- taper surfaces, 10- inner threaded surfaces.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
Figure is included with lower component：Joint pipe body 1, socket changeover portion 2, fixed cover 3, movable sleeve 4, nut sleeve 5, thread segment
6th, rack 7, guiding fin 8, taper surface 9 and inner threaded surface 10.
As shown in figure 1, a kind of rack-and-pinion hose coupling includes joint pipe body and 2 nut sleeves, joint pipe body is in hollow
Cylinder, the both ends of joint pipe body are respectively equipped with socket changeover portion, and the external diameter for being socketed changeover portion is more than the middle part of joint pipe body
The external diameter of body, middle part body are fixedly connected with 1 fixed cover, the side of fixed cover respectively close to two close ends of socket changeover portion
Axial annular is evenly equipped with through hole in wall, is provided with 2 movable sleeves between 2 fixed covers, movable sleeve includes rack segments and thread segment, tooth
Bar section is towards fixed cover, and rack segments include the uniform rack of some annulars, and the end of rack is curved, the movable sleeve of homonymy
Rack is correspondingly inserted in the through hole of fixed cover, and the side that socket changeover portion corresponds to through hole is provided with arc surface, the inner periphery of thread segment
It is convex provided with the guiding being adapted with guiding groove at least provided with the guiding groove of an axial direction, the outer wall of middle part body on face
Rib, the outer circumference surface of thread segment are provided with external screw thread, and the inner peripheral surface of nut sleeve is divided axially into taper surface and internal thread along the longitudinal axis
Face, the big end of taper surface towards the center of joint pipe body, inner threaded surface towards the center of joint pipe body, the external screw thread of thread segment with
Internal thread in the inner threaded surface of nut sleeve is adapted.
The external diameter of fixed cover is adapted with the internal diameter of flexible pipe waiting.
Be socketed changeover portion longitudinal section it is tapered, small end outwardly, and be socketed changeover portion outer circumference surface be provided with anti-slide saw
Tooth, center of the saw cutting edge of a knife or a sword towards joint pipe body of anti-skidding sawtooth.
The length of rack is more than the width of fixed cover.
The width of nut sleeve adds the width of thread segment more than the width of fixed cover.
The application method of above-mentioned rack-and-pinion hose coupling, comprises the following steps：
（1）First 2 nut sleeves are respectively sleeved on two sections flexible pipe waiting, the inner threaded surface of nut sleeve is outwardly；
（2）Two section flexible pipes waiting are covered to the both ends of joint pipe body respectively, at mouthpiece cover to the fixed cover of flexible pipe waiting；
（3）Nut sleeve and thread segment are screwed, is actively set on and is oriented to groove and moves closer to cover under the guide effect of guiding fin
Changeover portion is connect, the end of rack moves closer to socket changeover portion, until being protruded by arcwall face extruding, the end of the rack protruded
The tube wall of flexible pipe waiting is squeezed on taper surface by portion；
（4）During dismounting, thread segment and nut sleeve are unscrewed, making the movable sleeve of homonymy, rack end is by convex away from socket changeover portion
Do well and recover to non-protruding state, you can drag down flexible pipe waiting from socket changeover portion.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (5)
- A kind of 1. application method of rack-and-pinion hose coupling, it is characterised in that：Comprise the following steps：（1）First 2 nut sleeves are respectively sleeved on two sections flexible pipe waiting, the inner threaded surface of nut sleeve is outwardly；（2）Two section flexible pipes waiting are covered to the both ends of joint pipe body respectively, at mouthpiece cover to the fixed cover of flexible pipe waiting；（3）Nut sleeve and thread segment are screwed, is actively set on and is oriented to groove and moves closer to cover under the guide effect of guiding fin Changeover portion is connect, the end of rack moves closer to socket changeover portion, until being protruded by arcwall face extruding, the end of the rack protruded The tube wall of flexible pipe waiting is squeezed on taper surface by portion；（4）During dismounting, thread segment and nut sleeve are unscrewed, making the movable sleeve of homonymy, rack end is by convex away from socket changeover portion Do well and recover to non-protruding state, you can drag down flexible pipe waiting from socket changeover portion.
- 2. the application method of rack-and-pinion hose coupling according to claim 1, it is characterised in that：The external diameter of fixed cover is with treating The internal diameter for connecing flexible pipe is adapted.
- 3. the application method of rack-and-pinion hose coupling according to claim 1, it is characterised in that：The vertical of changeover portion is socketed to cut Face is tapered, and outwardly, and the outer circumference surface for being socketed changeover portion is provided with anti-skidding sawtooth to small end, and the saw cutting edge of a knife or a sword of anti-skidding sawtooth is towards joint The center of body.
- 4. the application method of rack-and-pinion hose coupling according to claim 1, it is characterised in that：The length of rack is more than solid Surely the width covered.
- 5. the application method of rack-and-pinion hose coupling according to claim 1, it is characterised in that：The width of nut sleeve is more than The width of fixed cover adds the width of thread segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711040084.1A CN107893886B (en) | 2017-10-31 | 2017-10-31 | Use method of rack type hose connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711040084.1A CN107893886B (en) | 2017-10-31 | 2017-10-31 | Use method of rack type hose connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107893886A true CN107893886A (en) | 2018-04-10 |
| CN107893886B CN107893886B (en) | 2020-02-21 |
Family
ID=61804084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711040084.1A Active CN107893886B (en) | 2017-10-31 | 2017-10-31 | Use method of rack type hose connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107893886B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5558375A (en) * | 1995-07-10 | 1996-09-24 | Deere & Company | Quick attach, reusable hose fittings |
| JP2015068411A (en) * | 2013-09-30 | 2015-04-13 | 株式会社リガルジョイント | High pressure resistance pipe joint |
| CN104976466A (en) * | 2015-06-24 | 2015-10-14 | 严传 | Novel soft elastic water pipe connector |
-
2017
- 2017-10-31 CN CN201711040084.1A patent/CN107893886B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5558375A (en) * | 1995-07-10 | 1996-09-24 | Deere & Company | Quick attach, reusable hose fittings |
| JP2015068411A (en) * | 2013-09-30 | 2015-04-13 | 株式会社リガルジョイント | High pressure resistance pipe joint |
| CN104976466A (en) * | 2015-06-24 | 2015-10-14 | 严传 | Novel soft elastic water pipe connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107893886B (en) | 2020-02-21 |
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