CN105570584A - Quick connecting method for metal hose - Google Patents
Quick connecting method for metal hose Download PDFInfo
- Publication number
- CN105570584A CN105570584A CN201410544330.7A CN201410544330A CN105570584A CN 105570584 A CN105570584 A CN 105570584A CN 201410544330 A CN201410544330 A CN 201410544330A CN 105570584 A CN105570584 A CN 105570584A
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- ozzle
- groove
- steel wire
- outer nut
- connecting method
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Abstract
The invention discloses a quick connecting method for a metal hose. The quick connecting method involves a cylindrical nozzle (1); an outer nut (3) sleeves the side, where a stop (2) is positioned, of the nozzle (1); a groove (4) of which a cross section is semicircular is formed in the inner cavity of the outer nut (3); a fitting groove (5) matched with the groove is formed in the nozzle (1), and a steel wire (6) is mounted in a space defined by the groove (4) and the fitting groove (5). According to the quick connecting method for the metal hose, a plurality of sharp-edge flange and core tube structures are adopted, which can be reasonably deformed under the assistance of a withholding apparatus to achieve excellent tightness; one flange and outer cover structure is adopted such that a stainless steel wire reinforcement layer can be clamped, and therefore, reliable connection can be achieved, and the application of a welding process is avoided; moreover, an annular clamping structure is adopted, in which a steel wire is assembled during assembly, allowing normal use without welding.
Description
Technical field
The present invention relates to a kind of hose coupling, specifically refer to the quick connecting method of a kind of metallic hose for metallic hose.
Background technique
Metallic hose refers to that skin has high-strength stainless steel steel wire reinforcement layer to be wound around or metal bellows covers, tube core adopts rubber pipe, woven tube, polyfluortetraethylene pipe etc., by crimping equipment and mould, tube core and joint buckle are forced together, realize the fluid transport under the conditions such as high/low temperature, high low pressure, vibration, pulse, flexural fatigue.Metallic hose has been widely used in military affairs, civilian every field, has good market prospects.Wherein, polytetrafluoroethyl-ne-ne metal silk enhancement mode flexible pipe is owing to having long service life, flow resistance is little, do not fall the features such as slag, replace rubber pipe, bellows gradually, be successfully applied in Aeronautics and Astronautics power system, hydraulic system, on ground launch car, transport vehicle, in the hydraulic power system on submarine, naval vessel.Metal hose joint divides flat nipple end and hose end.Flat nipple end generally adopts two class forms, and a class is welding type, is mainly used in the hard metals such as stainless steel; One class is no-welding type, common are turnup structure and flaring structure, and the former is for hard metal, and the latter is used for the soft metal such as copper, aluminium; Hose end generally adopts and withholds compression, and part adopts screwed tight, and former structure is various.But no matter which kind of mode, is all disposablely utilize joint, can not splits reduction, more can not reuse.
Summary of the invention
The object of the present invention is to provide a kind of quick connecting method of metallic hose, while the switching performance ensureing joint, can repeatedly use, improve its working life, reduce user cost.
Object of the present invention is achieved through the following technical solutions:
A kind of quick connecting method of metallic hose, comprise cylindric ozzle, ozzle is provided with one and protrudes from nozzle surface and around the stopper of ozzle, the ozzle of stopper side is set with outer nut, opposite side is provided with hose connection, it is semicircular groove that the inwall of described outer nut is recessed to form cross section downwards, the length of described groove is outer nut internal circumference length, groove is communicated with the through hole be arranged on adjacent two sides of outer nut respectively, described ozzle is provided with the mating groove corresponding with groove, mating groove end-to-end forms closed loop, in the space that described groove and mating groove are formed, steel wire is installed.Stopper on ozzle protrudes from the surface of ozzle, ozzle is divided into two-part, one of them end face is flat nipple end, the other end is soft nipple end, flat nipple end is set with an outer nut, the effect playing connection ozzle and flat pipe of outer nut, two sides adjacent at outer nut are provided with through hole, this through hole runs through the sidewall of outer nut, and be communicated with the groove be arranged on outer nut inwall, groove on outer nut joins end to end, in the cavity that mating groove and groove are formed, steel wire is installed, clamping outer nut and ozzle is come by steel wire, actual effectively active length is about 1/2 of outer nut internal circumference length, if effective active length of steel wire too conference is difficult to because of the elasticity of steel wire load, if effective active length of steel wire is too little, easily occur to loosen because elasticity is not enough, and be unfavorable for axially locating, because gauge of wire is greater than the degree of depth of groove, gauge of wire is greater than the degree of depth of mating groove simultaneously, therefore, the relative movement on its axis of outer nut and ozzle is subject to the stop of steel wire, ozzle is firmly connected with outer nut.When needs change outer nut or ozzle, only steel wire need be taken out, outer nut can be separated; With frock socket tube and core pipe taken off rear separable go out ozzle, thus reach reusable object.
Described mating groove cross section for Base radius with the cross sectional radius of groove, and at least also offers one and adds sipes on the circular arc of semicircle.As a further improvement on the present invention, because cavity steel wire being put into groove and mating groove formation is more difficult, therefore, on the basis of mating groove and groove match, set up in mating groove and add sipes, by adding the setting of sipes, mating groove can be put into completely by after steel wire bent, then exterior nut cap is enclosed within ozzle, groove is communicated with mating groove, bending steel wire resiles under natural resiliency effect, fall into groove, so just ozzle can be connected with outer nut, steel wire can take out by employing instrument, outer nut and ozzle are separated, because steel wire has elasticity, and and leave gap between groove, also can rotate freely while can guaranteeing the two reliable connection.
Described hose connection comprises the sidewall of ozzle, the inside of sidewall is provided with two steps, wherein on the step near ozzle axis, core pipe is installed, form grafting chamber between core pipe and the sidewall away from the ozzle at the step place of ozzle axis, be set with overall socket tube cylindrically in the outside of ozzle.The flexible pipe end face of ozzle ringwise, this annular end face caves inward along the axis of ozzle, form two steps, the annulus of flexible pipe end face is made to be divided into three donuts, and the distance of the minimum annulus distance flexible pipe end face of radius is maximum, the annular steps that radius is minimum is plugged with core pipe, and the thickness of core pipe sidewall is identical with the difference of the internal-and external diameter of the annulus at its place, forms grafting chamber between the sidewall of ozzle and core pipe; Overall socket tube is cylindrically set with outside ozzle.During use, the outside stainless steel steel wire reinforcement layer of metallic hose is separated with the tube core of inside, tube core is inserted grafting chamber, stainless steel steel wire reinforcement layer is inserted outside ozzle and between socket tube, be set with rigid support thing in core pipe after, socket tube adopts fastener compress metallic hose to be firmly connected with joint of the present invention, socket tube with stainless steel steel wire reinforcement layer close contact, and be formed at the identical using state of ozzle outer shape, take off the rigid support thing be sleeved in core pipe, can use.
At least form a snap ring away from the sidewall at the step place of ozzle axis protrudes to core pipe in described ozzle, the top of snap ring is smooth curved surface.
The thickness of described snap ring increases from the section start away from stopper gradually to the direction of stopper, and vanishing suddenly after smooth curved surface reduces.As a further improvement on the present invention, come off from grafting chamber to prevent the tube core of metallic hose, adopt the form that snap ring is set in the inner side of ozzle, the impacting force to tube core can be increased, simultaneously, on any one cross section along ozzle axial direction, snap ring top, the tie point of snap ring and ozzle sidewall, the angle that the tie point in step and cross section is formed is less than 90 °, so, when facilitating tube core to insert, prevent extracting of tube core, play the effect preventing tube core backward motion, be conducive to the connection keeping tube core and joint of the present invention, in order to prevent snap ring, tube core is punctured, therefore, the top of snap ring adopts smooth curved surface, and, multiple snap ring can be set, increase the impacting force to tube core.
The outer surface of described ozzle is provided with the boss that protrudes from nozzle surface.As a further improvement on the present invention, by arranging boss at ozzle ground outer surface, boss forms ring-type along ozzle, the outer wall of socket tube outwardly simultaneously, inwall is outwards recessed to form the shape matched in boss, the outer stainless steel steel wire reinforcement layer of metallic hose is inserted between boss and socket tube, outside fastener is utilized to be compressed by socket tube, socket tube and boss fasten by stainless steel steel wire reinforcement lamination, boss also secures the position of socket tube simultaneously, prevent socket tube along the axial-movement of ozzle and landing, keep it to the impacting force of metallic hose.
The present invention compared with prior art, has following advantage and beneficial effect:
The quick connecting method of a kind of metallic hose of 1 the present invention, by installing an annular steel wire in the cavity that forms at mating groove and groove, clamping outer nut and ozzle is come by steel wire, because gauge of wire is greater than the degree of depth of groove, gauge of wire is greater than the degree of depth of mating groove simultaneously, thus realizes the axially locating of outer nut and ozzle; The outside stainless steel steel wire reinforcement layer of metallic hose is separated with the tube core of inside, tube core is inserted grafting chamber, stainless steel steel wire reinforcement layer is inserted outside ozzle and between socket tube, socket tube adopts fastener compress metallic hose to be firmly connected with joint of the present invention, ozzle adopts the mode of steel wire screens to be connected with outer nut, the other end adopt fastener to withhold that connecting cylinder is withheld is shaping, avoid the use of welding procedure;
The quick connecting method of a kind of metallic hose of 2 the present invention, the angle that the tie point in the tie point of snap ring top, snap ring and ozzle sidewall, step and cross section is formed is less than 90 °, when facilitating tube core to insert, prevents extracting of tube core, play the effect preventing tube core backward motion, be conducive to the connection keeping tube core and joint of the present invention, in order to prevent snap ring from being punctured by tube core, therefore, the top of snap ring adopts smooth curved surface, and, multiple snap ring can be set, increase the impacting force to tube core;
The quick connecting method of a kind of metallic hose of 3 the present invention, adopt special buckle laminated structure, make the socket tube of the section of withholding relatively short, and be conducive to and complicated pipe joint crimping, be suitable for processing that band is straight-through, threeway, union cross composite metal hose, simplify the structure, reliability is high, good airproof performance, can withstand high pressures, and without the need to welding, be convenient to processing and assembling, be conducive to batch production.
Accompanying drawing explanation
Fig. 1 is that the present invention partly cuts open structural representation;
Fig. 2 is A portion of the present invention enlarged diagram;
Fig. 3 is B portion of the present invention enlarged diagram;
Fig. 4 is the distribution schematic diagram of groove in the axial direction on outer nut of the present invention.
Mark and corresponding component title in accompanying drawing:
1-ozzle, 2-stopper, 3-outer nut, 4-groove, 5-mating groove, 6-steel wire, 7-adds sipes, 8-core pipe, 9-grafting chamber, 10-socket tube, 11-snap ring, 12-boss, 13-through hole.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figures 1 to 3, the quick connecting method of a kind of metallic hose of the present invention, comprise cylindric ozzle 1, ozzle 1 is provided with one and protrudes from ozzle 1 surface and around the stopper 2 of ozzle 1, the ozzle 1 of stopper 2 side is set with outer nut 3, opposite side is provided with hose connection, it is semicircular groove 4 that the inwall of outer nut 3 is recessed to form cross section downwards, groove 4 be arranged on through hole 13 on adjacent two sides of outer nut 3 and be communicated with, the axis of through hole 13 and the circle at groove 4 place tangent, ozzle 1 is provided with the mating groove 5 corresponding with groove 4, mating groove 5 end-to-end forms closed loop, in the space that groove 4 and mating groove 5 are formed, steel wire 6 is installed, mating groove 5 cross section for Base radius with the cross sectional radius of groove 4, and at least also offers one and adds sipes 7 on the circular arc of semicircle, hose connection comprises the sidewall of ozzle 1, the inside of sidewall is provided with two steps, wherein on the step near ozzle 1 axis, core pipe 8 is installed, form grafting chamber 9 between the sidewall of the ozzle 1 at core pipe 8 and another step place, be set with in the outside of ozzle 1 overall cylindrically socket tube 10, at least two snap rings 11 are formed away from the sidewall at the step place of ozzle 1 axis protrudes to core pipe 8 in ozzle 1, the top of snap ring 11 is smooth curved surface, the top of snap ring 11 offsets to step in the horizontal direction, the thickness of snap ring 11 increases from the section start away from stopper 2 gradually to the direction of stopper 2, and vanishing suddenly after smooth curved surface reduces, the outer surface of ozzle 1 is provided with the boss 12 that protrudes from ozzle 1 surface.Two sides adjacent at outer nut 3 are provided with through hole 13, this through hole 13 runs through the sidewall of outer nut 3, and be communicated with the groove 4 be arranged on outer nut 3 inwall, groove 4 on outer nut 3 joins end to end, in the cavity that mating groove 5 and groove 4 are formed, steel wire 6 is installed, clamping outer nut and ozzle is come by steel wire 6, if effective active length of steel wire 6 too conference is difficult to because of the elasticity of steel wire 6 load, if effective active length of steel wire 6 is too little, easily occur to loosen because elasticity is not enough, and be unfavorable for axially locating, stopper 2 on ozzle 1 protrudes from the surface of ozzle 1, ozzle 1 is divided into two-part, one of them end face is flat nipple end, the other end is soft nipple end, flat nipple end is set with an outer nut 3, outer nut 3 plays the effect connecting ozzle 1 and flat pipe,
In the cavity that mating groove 5 and groove 4 are formed, steel wire 6 is installed, clamping outer nut 3 and ozzle 1 is come by steel wire 6, diameter due to steel wire 6 is greater than the degree of depth of groove 4, the diameter of steel wire 6 is greater than the degree of depth of mating groove 4 simultaneously, therefore, outer nut 3 and ozzle 1 relative movement are on its axis subject to the stop of steel wire 6, ozzle 1 is firmly connected with outer nut 3, when needs change outer nut 3 or ozzle 1, only steel wire 6 need be taken out, outer nut 3 can be separated with ozzle 1, reach reusable object, on the basis that mating groove 5 and groove 4 match, set up in mating groove 5 and add sipes 7, by adding the setting of sipes 7, mating groove 5 can be put into completely after bending for steel wire 6, then outer nut 3 is enclosed within ozzle 1, groove 4 is communicated with mating groove 5, bending steel wire 6 resiles under natural resiliency effect, fall into groove 4, so just ozzle 1 can be connected with outer nut 3, steel wire 6 can take out by employing instrument, outer nut 3 and ozzle 1 are separated, because steel wire 6 has elasticity, and and leave gap between groove 4, also can rotate freely while can guaranteeing the two reliable connection, the flexible pipe end face of ozzle 1 ringwise, this annular end face caves inward along the axis of ozzle 1, form two steps, the annulus of flexible pipe end face is made to be divided into three donuts, and the distance of the minimum annulus distance flexible pipe end face of radius is maximum, the annular steps that radius is minimum is plugged with core pipe 8, and the thickness of core pipe 8 sidewall is identical with the difference of the internal-and external diameter of the annulus at its place, forms grafting chamber 9 between the sidewall of ozzle 1 and core pipe 8, socket tube 10 is set with outside ozzle 1, socket tube 10 entirety cylindrically, during use, the outside stainless steel steel wire reinforcement layer of metallic hose is separated with the tube core of inside, tube core is inserted grafting chamber 9, stainless steel steel wire reinforcement layer is inserted outside ozzle 1 and between socket tube 10, rigid support thing is placed in core pipe 8, as plug, steel ball etc., socket tube 10 adopts fastener compress and metallic hose can be compressed and connect, meanwhile, the profile of socket tube 10 becomes identical with the outer shape of ozzle 1 under the effect of the pressure, adopt the form that snap ring 11 is set in the inner side of ozzle 1, the impacting force to tube core can be increased, simultaneously, on any one cross section along ozzle axle 1 line direction, the angle that the tie point in the tie point of snap ring 11 top, snap ring 11 and ozzle 1 sidewall, step and cross section is formed is less than 90 °, when facilitating tube core to insert, prevent extracting of tube core, play the effect preventing tube core backward motion, in order to prevent snap ring 11, tube core is punctured, the top of snap ring 11 adopts smooth curved surface, can arrange multiple snap ring 11, increase the impacting force to tube core, at the outer surface of ozzle 1, boss 12 is set, boss 12 forms ring-type along ozzle, the outer wall of socket tube 10 outwardly simultaneously, inwall is outwards recessed to form the shape matched with boss 12, the outer stainless steel steel wire reinforcement layer of metallic hose is inserted between boss 12 and socket tube 10, outside fastener is utilized to be compressed by socket tube 10, socket tube 10 and boss 12 fasten by stainless steel steel wire reinforcement lamination, boss 12 also secures the position of socket tube 10 simultaneously, prevent socket tube 10 along the axial-movement of ozzle 1 and landing, keep it to the impacting force of metallic hose.
As mentioned above, just the present invention can be realized well.
Claims (6)
1. the quick connecting method of a metallic hose, comprise cylindric ozzle (1), ozzle (1) is provided with one and protrudes from ozzle (1) surface and around the stopper (2) of ozzle (1), the ozzle (1) of stopper (2) side is set with outer nut (3), opposite side is provided with hose connection, it is characterized in that: it is semicircular groove (4) that the inwall of described outer nut (3) is recessed to form cross section downwards, the length of described groove (4) is outer nut (3) internal circumference length, groove (4) is communicated with the through hole (13) be arranged on adjacent two sides of outer nut (3) respectively, described ozzle (1) is provided with the mating groove (5) corresponding with groove (4), mating groove (5) end-to-end forms closed loop, in the space that described groove (4) and mating groove (5) are formed, steel wire (6) is installed, in the cavity that mating groove and groove are formed, steel wire is installed, clamping outer nut and ozzle is come by steel wire, actual effectively active length is about 1/2 of outer nut internal circumference length, if effective active length of steel wire too conference is difficult to because of the elasticity of steel wire load, if effective active length of steel wire is too little, easily occur to loosen because elasticity is not enough, and be unfavorable for axially locating, because gauge of wire is greater than the degree of depth of groove, gauge of wire is greater than the degree of depth of mating groove simultaneously, therefore, the relative movement on its axis of outer nut and ozzle is subject to the stop of steel wire, ozzle is firmly connected with outer nut, when needs change outer nut or ozzle, only steel wire need be taken out, outer nut can be separated, with frock socket tube and core pipe taken off rear separable go out ozzle, thus reach reusable object.
2. the quick connecting method of a kind of metallic hose according to claim 1, it is characterized in that: described mating groove (5) cross section for Base radius with the cross sectional radius of groove (4), and at least also offers one and adds sipes (7) on the circular arc of semicircle.
3. the quick connecting method of a kind of metallic hose according to claim 1 and 2, it is characterized in that: described hose connection comprises the sidewall of ozzle (1), the inside of sidewall is provided with two steps, wherein on the step near ozzle (1) axis, core pipe (8) is installed, form grafting chamber (9) between core pipe (8) and the sidewall away from the ozzle (1) at the step place of ozzle (1) axis, be set with overall socket tube (10) cylindrically in the outside of ozzle (1).
4. the quick connecting method of a kind of metallic hose according to claim 3, it is characterized in that: at least form a snap ring (11) away from the sidewall at the step place of ozzle (1) axis protrudes to core pipe (8) in described ozzle (1), the top of snap ring (11) is smooth curved surface.
5. the quick connecting method of a kind of metallic hose according to claim 4, it is characterized in that: the thickness of described snap ring (11) increases from the section start away from stopper (2) gradually to the direction of stopper (2), and vanishing suddenly after smooth curved surface reduces.
6. the quick connecting method of a kind of metallic hose according to claim 3, is characterized in that: the outer surface of described ozzle (1) is provided with the boss (12) that protrudes from ozzle (1) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410544330.7A CN105570584A (en) | 2014-10-15 | 2014-10-15 | Quick connecting method for metal hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410544330.7A CN105570584A (en) | 2014-10-15 | 2014-10-15 | Quick connecting method for metal hose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105570584A true CN105570584A (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410544330.7A Pending CN105570584A (en) | 2014-10-15 | 2014-10-15 | Quick connecting method for metal hose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105570584A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704695A (en) * | 2022-02-28 | 2022-07-05 | 芜湖骏航机电科技有限公司 | Rolling connection type lip-shaped sealing joint |
-
2014
- 2014-10-15 CN CN201410544330.7A patent/CN105570584A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704695A (en) * | 2022-02-28 | 2022-07-05 | 芜湖骏航机电科技有限公司 | Rolling connection type lip-shaped sealing joint |
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Application publication date: 20160511 |