CN100387890C - Inserted type quick coupling of flexible metal tube - Google Patents
Inserted type quick coupling of flexible metal tube Download PDFInfo
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- CN100387890C CN100387890C CNB2006100257143A CN200610025714A CN100387890C CN 100387890 C CN100387890 C CN 100387890C CN B2006100257143 A CNB2006100257143 A CN B2006100257143A CN 200610025714 A CN200610025714 A CN 200610025714A CN 100387890 C CN100387890 C CN 100387890C
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Abstract
The present invention discloses a plug-in type quick joint which is used on coal gas and other gas and liquid allocation pipelines and is arranged at one end of a flexible metal hose. The present invention comprises a joint body, a pressing ring, and a stopping ring, a sealing member and a clamping ring are respectively and axially arranged from forward to backward. The inner diameter of the stopping ring is larger than the maximum diameter of a corrugated pipe, the stopping ring is in a ring shaped and is composed by the mutual connection of stopping blocks and a thin wall part, and contiguous stopping blocks can form a notch. The stopping block comprises an inner inclined salience part, a base end part, an incline inner wall and a mating surface. The corrugated pipe can be inserted via a small force owing to the large inner diameter of the stopping ring, a corrugated part at the end of the corrugated pipe can apply force to a pulling direction in the state of being held by a clamping ring after the corrugated pipe is inserted in, and the stopping ring can widdershins rotate with taking the base end ring part as a center. Owing to the stopping ring can shrink the diameter, the inner inclined salience part and a valley part of the corrugated pipe can be engaged so as to prevent the corrugated pipe calling.
Description
Technical field
The present invention relates to a kind of rapid pipe joint, specifically a kind of coal gas, other pipe arrangements such as gas, liquid of being used for is with the inserted type quick coupling that is connected flexible pipe one end that bellows forms on the pipeline.
Background technique
Existing conduct has various ways with the pipe joint that the bellows of fluids such as inflow gas is connected, be a kind of form of existing joint as shown in figure 11, possess tubular body 152 that sealing material accommodation section 150 is arranged, pressure ring 154 that the termination is not screwed into screw thread in body 152 inside within it, at the stop ring 156 of the inboard configuration of the pressure ring 154 of tubular body 152 inside, by the annular seal material 158 of stop ring 156 configuration to the sealing material accommodation section 150 of the tubular body 152 of inboard.The flexible pipe 160 that connects on this joint is by the stainless bellows 162 of thin-walled and the lining body 164 that wraps in the hose-like that the synthetic resin of bellows cylindrical makes is constituted, under lining body 164 removed states on several ripples of the termination of bellows 162, insert to the inside of this pressure ring 154 and stop ring 156 and annular seal material 158 and tubular body 152 from the termination of pressure ring 154.Like this, the jut 168 of stop ring 156 opens in the ripple portion 166 of bellows, by this jut 168, is pressed into annular seal material 158, finishes joint.In this time, the end portion of the inboard of bellows 162 is inserted into from the sealing material to the inner of the set tubular body 152 of the part of interior round side to the ring-shaped protrusion 170 of the outstanding thin-walled ring-type of the opening side of pressure ring 154 and the gap the annular seal material 158.In addition during this time, the jut of stop ring 156 engages with the paddy portion 174 of bellows by undergauge under the effect of the elastic force 172 of ring.Yet, under the effect of the power of taking off of flexible pipe 160 upper connections, the cylindrical gradient face 176 of the stop ring 156 that engages with the paddy portion 174 of bellows contacts with the interior round gradient face 178 of pressure ring 154, stop ring 156 is subjected to the inside power of footpath direction, the jut 168 of stop ring 156 is pushed down the cylindrical of the paddy portion 174 of bellows, prevents that flexible pipe 160 from coming off out from the joint.
Above-described inserting type pipe joint is that annular seal material 158 inner circular parts in joint divide insertion bellows 162, carries out the sealing of joint and bellows thus.But make the ring-shaped protrusion 170 of the interior distolateral and thin-walled ring-type of tubular body 152 be made of one the comparison difficulty, not only manufacturing efficiency is lower, and the market cost is also than higher.In addition, when crest portion links to each other shape with trough and bellows that tolerance of size is arranged when being inserted into continuously, for its sealing is improved, the insertion resistance of the words bellows that the internal diameter of annular seal material dwindles will become greatly, and installation personnel need be used very big strength when inserting flexible pipe.On the other hand, as the resistance in order to reduce to insert, the words sealability of amplifying annular seal material internal diameter will reduce, the shaping of ring-shaped protrusion 170 and annular seal material 158 or the design of size, adjustment all need the precision of height, become that manufacturing efficiency is low, cost of production increases the essential factor that the quality control difficulty is high.And the operation that the front end of bellows correctly is inserted in the close gap between sealing material and the ring-shaped protrusion is very difficult, not only lose time, and power cut-off like this after might inserting improperly.Insert in pipe joint in the flexible pipe, the ripple portion of bellows opens the jut of stop ring and by this jut, is pressed into the structure that the circle back engages in the annular seal material, and bigger resistance is arranged during insertion, and insertion work is very difficult, and takes time very much.In addition, for the undergauge that the keeps stop ring state that links closely, need as and stop ring be the parts such as ring-spring that one is used, number of spare parts increases the back and become disadvantageous key element on installment work and part management.Structure in the past in order to confirm that bellows is gone up insertion in position, need to check and the mark insertion position on bellows that in advance the workflow of installation is various, and the cost operating time is long.
Summary of the invention
Technical problem to be solved by this invention provide a kind of can be at short notice, like a cork with in the bellows insertion tube joint and the reliable inserting type pipe joint of sealability.In addition, other purpose of the present invention provide produce simple, low cost, and the inserting type pipe joint that just bellows can be connected with pipe joint with easy installment work.Again on this basis, other purpose of the present invention has provided and need not to check and the mark insertion position before bellows is inserted into connection work, do not need to carry out especially the preparation that other insertion connects, counting with less part connects the inserting type pipe joint of work.
The technological scheme of technical solution problem of the present invention is as follows:
A kind of inserted type quick coupling of flexible metal tube, it is used for the bellows that outer rim coats flexible pipe, comprise that stepped joint body, the end of internal face with the jack that can hold metal bellow extend into the pressure ring that the joint body rear inner wall is threaded with joint body, also be included in the stop ring, Sealing, the snap ring that set gradually from back to front along axial direction in the jack;
The internal diameter of described stop ring is bigger than the maximum diameter of bellows, and it is interconnected circlewise by chock and thinner wall section, forms breach between the adjacent chock;
Oblique jut in described chock comprises, it is engaging with bellows paddy portion with pulling force extruding back; Base end part, it is positioned at the end with respect to oblique jut of stop ring, and base end part and thinner wall section constitute the cardinal extremity ring portion jointly, and after pressure ring opening one side was pressed, the cardinal extremity ring portion contacted with the pressure-bearing wall of pressure ring; Tilt internal wall, its direction of insertion towards bellows towards bellows tilts; Interface, after bellows inserts and when the direction of pulling out applies power, interface is against the pressure-bearing wall of pressure ring front end;
Described snap ring is arranged on the front end in the joint body jack, and it controls bellows front end bow wave portion after bellows inserts.
Further, also comprise the packing ring that is arranged between stop ring and the Sealing, be involved in the indentation, there between the chock, guarantee to carry out the undergauge action of stop ring to prevent in the rotation process of stop ring Sealing.
Further, described snap ring preferably includes: the cyclic group body, and its internal diameter is bigger than bellows maximum diameter; First card and second card, it is tilted to stretch out and can elasticity scalable to internal diameter direction by the cyclic group body; The angle of inclination of second card is bigger than first card, and second card is longer than first card on length, to be limited in entering of bellows on the first card termination; The end of second card is provided with the shockproof sheet to the bending of snap ring center; The cylindrical jut, it is arranged on the cylindrical of cyclic group body and to the flexiblely hole enlargement of axial direction of snap ring, and contacts with the joint body inwall.Described first card and second card are provided with along the internal diameter interleaved of cyclic group body, and quantity has two respectively at least.Snap ring can be controlled the ripple portion of termination reliably when bellows inserts, the connection after the ensuing action of pulling out is finished the work to be connected.
Further, described tilt internal wall section is " ㄑ " shape, oblique jut in one of them inclined-plane is used to form, and another face forms with interface and docks jut.
By above disclosed technological scheme as can be known, compared with prior art: inserted type quick coupling of flexible metal tube of the present invention, when inserting the flexible pipe that forms by bellows, because the internal diameter of stop ring is bigger than bellows, the insertion of bellows in pipe joint do not contacted with stop ring, only accept the resistance of the pressurization of seal ring, can come inner headed face with lighter power by seal ring.In this time, seal ring is preferably formed by the material that adds lubricated material, can insert more swimmingly like this.Snap ring is flexiblely scalable and control the ripple portion of the end portion of bellows to the footpath of bellows direction in the bellows insertion process, the ripple portion that inserts its termination, back at bellows under the state of being controlled by snap ring when the direction of pulling out applies power, after stop ring is directly pressed by Sealing, with the cardinal extremity ring portion is that the center rotates counterclockwise chock, and make chock internal diameter undergauge, make in the chock the tiltedly paddy portion tabling of jut and bellows, and interface closely pastes mutually with the pressure-bearing wall, the undergauge in the inboard footpath of stop ring is moved successfully, carry out unchangeably, with short stretching bellows and stop ring are engaged, reach the result of the paddy portion of bellows than strong bond, can guarantee to prevent that flexible pipe from coming off out from joint, and in the process of pulling out, thereby because Sealing is extruded the sealing that has increased whole rapid pipe joint.Adopt the present invention in pipe joint, to insert and under correct chimeric status, be connected with the short time, can guarantee reliable sealing performance with lighter power with bellows.And adopt rapid pipe joint of the present invention to carry out the connection work of bellows, and special preparatory work be needn't carry out and other supplementary equipment or component adopted, except drawing, do not need other all actions, adopt less component number can finish connection work.
Insertion by bellows in addition, take off almost near the operation of a little contact, moving of the interior oblique jut of the undergauge action radius vector of the axle running shape of the part running of stop ring, can guarantee has sufficient interval between the maximum diameter of bellows and stop ring internal diameter one side, has realized that both gaps are adjusted, the making easiness of stop ring.
Description of drawings
Insert the semi-section schematic representation under the hose-like attitude in [Fig. 1] inserted type quick coupling of the present invention;
The amplification assumption diagram of dotted line part among [Fig. 2] Fig. 1;
The semi-section schematic representation of [Fig. 3] inserted type quick coupling of the present invention;
The A-A sectional schematic diagram of [Fig. 5] Fig. 4;
Stop ring 38 faces structural drawing among [Fig. 6] Fig. 1;
The B-B sectional schematic diagram of [Fig. 7] Fig. 6;
The state of [Fig. 8] Fig. 1 is controlled cylindrical jut the 2nd ring the view of the intermediate section that the accommodation section engages after the direction of pulling out applies power to flexible pipe;
[Fig. 9] flexible pipe and rapid pipe joint of the present invention are at the semi-section schematic representation that engages under the finishing stage;
The engagement relationship schematic representation of pressure ring, stop ring and bellows among [Figure 10 a] Fig. 1;
The engagement relationship schematic representation of pressure ring, stop ring and bellows among [Figure 10 b] Fig. 1;
The engagement relationship schematic representation of pressure ring, stop ring and bellows among [Figure 10 c] Fig. 1;
The semi-section schematic representation of [Figure 11] prior art pipe joint.
[major label description in figure] 1-flexible pipe; The 2-bellows; The 10-inserted type quick coupling; The 12-joint body; The 14-pressure ring; The 32-snap ring; The 38-stop ring; The 40-packing ring; The 42-seal ring; 46-pressure-bearing wall; 321-first card; 322-second card; The 323-shockproof sheet; Oblique jut in the 381-; 382-cardinal extremity ring portion; The 383-breach; The 384-thinner wall section; 385-docks jut; The 385A-interface; The 386-chock; 387-base end part 387; The R-fulcrum.
Embodiment
Below, with reference to drawing enforcement of the present invention best form on one side be described on one side.
By insert in Fig. 1 inserted type quick coupling of the present invention under the hose-like attitude the semi-section schematic representation as seen, flexible pipe 1 is by bellows 4 and the lining body 5 that is wrapped in the hose-like that the synthetic resin of its outer rim makes constitutes.Bellows 4 is made by the thin stainless steel of wall, and it comprises ripple portion 2 and paddy portion 3.When being connected with inserted type quick coupling 10, need take off the lining body 5 of the several ripples of nearly corrugated tube end, the flexible pipe position that the historical facts or anecdotes border is connected with rapid pipe joint is for removing the bellows of outside lining body.
By Fig. 1, inserted type quick coupling of flexible metal tube 10 of the present invention, comprise that stepped joint body 12, the end of internal face with the jack that can hold metal bellow extend into the pressure ring 14 that the joint body rear inner wall is threaded with joint body, also be included in the stop ring 38, Sealing 42, the snap ring 32 that set gradually from back to front along axial direction in the jack;
The internal diameter of described stop ring 38 is bigger than the maximum diameter of bellows 4, and it is interconnected circlewise by chock 386 and thinner wall section 384, forms breach 383 between the adjacent chock 386;
Described snap ring 32 is arranged on the front end in joint body 12 jacks, and it controls the bellows 4 front end bow wave 2M of portion after bellows 4 inserts.
In the fire-resistant seal ring accepting groove 48 of the inner peripheral surface of pressure ring 14, fire-resistant seal ring 60 is housed.This fire-resistant seal ring 60, adopt material integrated shaped as rubber such as expansion blacklead and NBR, after being exposed to the sun under the high temperature during fire, the volumetric expansion of fire-resistant seal ring 60, airtight inside.
In the part of the outside seal ring recess 36 of pressure ring 14 and the outside seal circle accommodation section 20 in the joint body 12, dispose outside seal circle 100.Outside seal circle 100 is by making with the same material of fire-resistant seal ring, by pressure ring 14 and joint body 12 compressions, prevents from the leakage of coming out internally to prevent to enter article from the outside.
For preventing in the rotation process of stop ring, Sealing 42 is involved in breach 383 places between the chock 386 of stop ring 38, guarantee to carry out the undergauge action of stop ring, be provided with packing ring 40 between stop ring and Sealing, packing ring 40 is to be formed by thin metals such as corrosion resistant plate.
As Fig. 1 or shown in Figure 5, snap ring 32 is by thin elastic force steel, is configured in the snap ring accommodation section 26 in the joint body 12, and it comprises: cyclic group body 320, and its internal diameter is bigger than bellows 4 maximum diameters; First card 321 and second card 322, it is tilted to stretch out and can elasticity scalable to internal diameter direction by cyclic group body 320; The angle of inclination of second card 322 is bigger than first card 321, second card 322 is longer than first card 321 on length, and the end of second card 322 is provided with the shockproof sheet 322A to the bending of snap ring center, to be limited in entering of bellows on the first card termination, the 2M of ripple portion of the termination portion of bellows 4 can not pass through second card 322 for this reason; Cylindrical jut 323, it is arranged on the cylindrical of cyclic group body 320 and to the flexiblely hole enlargement of axial direction of snap ring, and contacts with joint body 12 inwalls.When bellows 4 inserts from the opening side of pressure ring 14 and an end of bellows join, snap ring is flexiblely scalable to the footpath of bellows direction, and control an end portion of bellows, first card 321 and second card 322 engage separately with the ripple portion of bellows one end portion, cylindrical jut 323 to fixed position move, control accommodation section 24 with the ring in the joint body 12 and engage.
In this example, it is to control accommodation section 24A, 24B by the 1st and the 2nd snap ring to constitute that Fig. 1 or Fig. 3, Fig. 8, shown in Figure 9, snap ring control accommodation section 24.The 1st snap ring is controlled accommodation section 24A, sentences the section difference of a little from ring accommodation section 26 and comes hole enlargement, is configured in the opening side of joint body 12.The 2nd snap ring is controlled accommodation section 24B, sentences the section difference of a little from the 1st ring handle and comes hole enlargement, is configured in the opening side of joint body 12.The 2nd ring is controlled accommodation section 24B, is to form after differing from hole enlargement by a little section of sealing accommodation section 23 usefulness.In case with bellows insert draw a little after the bosom the time snap ring 32 cylindrical jut 323 through the 1st ring handle, embed the 2nd ring and control accommodation section 24B.
The effect of the inserting type pipe joint of this example below is described.When pipe joint 10 engages with flexible pipe 1, as shown in Figure 3, in joint body 12, assembling support ring 30, snap ring 32, seal ring 42, under the state of assembling packing ring 40, stop ring 38, fire-resistant seal ring 60, dust-proof seal ring 56 on the pressure ring 14, as shown in Figure 1 after paddy portion 3 Pipe Cuttings of bellows 4, flexible pipe 1 under lining body 5 removed states on several ripples of the termination of bellows 4 inserts to the joint body side direction from the end of pressure ring 14.At this moment, the termination portion of bellows 4 interior round side by fire-resistant seal ring 60 and stop ring 38 on one side under non-contacting state, seal ring 42 in be pressed into and on one side pass through its inner circular part on one side.When the ripple portion 2 of the termination portion of bellows 4 arrives snap ring 32, join with first card 321, this first card 321 is flexiblely scalable to be passed through while make.Behind first card 321, the 2M of ripple portion of the termination portion of bellows 4 is controlled (with reference to Fig. 2) by first card 321 and second card.
Bellows 4 and pipe joint engage fully, after pulling out flexible pipe along pull-out direction, the snap ring 32 of ripple portion 2 of controlling the termination portion of bellows 4 makes adjacent Sealing 42, packing ring 40 move to pull-out direction, after moving the position of defined to, the cylindrical jut 323 outside circular direction hole enlargements of snap ring 32 are controlled accommodation section 24A with first snap ring in the joint body 12 and are engaged.This time, the cylindrical jut 323 of snap ring during by section difference wall the operator have thoughts and feelings, after the direction of drawing continues to apply power, the termination of cylindrical jut 323 embeds second ring and controls accommodation section 24B, by with the engaging of joint body 12, anti-stop ring 32 and flexible pipe 1 move to direction of insertion on the contrary.Thus, become locking state, any one works for the power of power of drawing or pressure, prevents excessive moving and bellows is produced damage in joint body.By this snap ring 32 is moved along the direction of drawing, the direction power that seal ring 42 and packing ring 40 draw in the stop ring 38 works.At this moment, packing ring 40 makes direction of insertion downward-sloping, in tiltedly the termination of jut 381 to opening direction while pressing with cardinal extremity ring portion 382 as fulcrum R this termination portion of turning round, the interior oblique jut 381 that makes stop ring 38 is significantly to undergauge direction running distortion, thus, the cylindrical of paddy portion 3 of bellows 4 and the jut 381 of stop ring 38 are engaged.The running distortion of the interior oblique jut 381 by stop ring, jut 381 and bellows paddy portion 3 are engaged, the ripple portion 2 and the interval between the stop ring 38 interior circle sides that can be provided with when bellows 4 is inserted are fully big, the insertion work of flexible pipe can simply be carried out with lighter labour force, and stop ring 38 precision during fabrication to a certain extent can be more slightly.In addition, and the adjustment of the sealing between the interior round side of seal ring 42 also can carry out simply.Seal ring 42 between snap ring 32 and stop ring 38, by encircle 32 and stop ring 38 be compressed, can improve on the internal diameter direction sealing effect after expanding.Like this, if bellows 4 is fully inserted into the inside of joint body 12, next the hand by the staff draws flexible pipe 1 along the direction of drawing, and engages with stop ring, becomes the state of Fig. 9, and construction operation is finished.
Like this, bellows is inserted to the inside of pressure ring from the end of pressure ring, after controlling the bellows end head on the ring of the inboard of sealing material configuration, draw along the direction of drawing, ring and sealing material move along the direction of axle, by sealing material, packing ring, the stop ring of being pressed is run into the pressure-bearing wall of pressure ring, with the base end part is the center running, makes the internal diameter undergauge, engages with bellows.It is stable by pulling out the undergauge action that makes the stop ring internal diameter that bellows inserts the back, with the joint body of flexible pipe be connected work with simply carrying out, can obtain reliable coupled condition.Thus, can prevent reliably that the flexible pipe that comprises bellows from coming off from pipe joint.Made under inadequate state by snap ring when bellows inserts and pull out, the sealing material can not move, and bellows integral body can be extracted.Thus, the affirmation of its coupled condition is almost carried out simultaneously during for the pipe joint connection work of bellows, thus connection work can be simply at short notice efficient carry out preferably.In addition, running by stop ring, engage with the paddy portion of bellows and to prevent coming off of bellows, when being inserted, bellows do not become the insertion obstacle, can be set at bellows pass through state that channels and collaterals have a sufficient space as the undergauge of the internal side diameter of stop ring before shape, when its result makes the connection work of flexible pipe coupled condition is confirmed, can successfully be finished the work at short notice.Also having, textural fairly simple, also is favourable on cost.When flexible pipe 1 is taken off from inserting type pipe joint, use instruments such as control pincers,, can decompose inserted sleeve, and flexible pipe 1 can be taken off from inserted sleeve by pressure ring 14 is taken off from joint body 12.
More than Shuo Ming inserting type pipe joint of the present invention not only is limited to example recited above, does not break away from the scope of patent request in the scope of essence of the present invention of record, can at random change.
Inserting type pipe joint of the present invention uses as the pipe joint that coal gas, other pipe arrangements such as gas, liquid are used widely.
Claims (9)
1. an inserted type quick coupling of flexible metal tube (10), it is used for the bellows (4) that outer rim coats flexible pipe (5), comprise that the stepped joint body of internal face (12), an end extend into the pressure ring (14) that the joint body rear inner wall is threaded with joint body, described joint body (12) has the jack that can hold metal bellow, it is characterized in that, also be included in the stop ring (38), Sealing (42), the snap ring (32) that set gradually from back to front along axial direction in the jack;
The internal diameter of described stop ring (38) is bigger than the maximum diameter of bellows (4), and it is interconnected circlewise by chock (386) and thinner wall section (384), forms breach (383) between the adjacent chock (386);
Oblique jut (381) in described chock (386) comprises, it is engaging with bellows paddy portion (3) with pulling force extruding back; Base end part (387), it is positioned at the end with respect to oblique jut (381) of stop ring, base end part and thinner wall section (384) constitute cardinal extremity ring portion (382) jointly, and after pressure ring opening one side was pressed, the cardinal extremity ring portion contacted with the pressure-bearing wall (46) of pressure ring (14); Tilt internal wall (381A), direction of insertion of (4) tilts towards bellows towards bellows for it; Interface (385A), after bellows inserts and when the direction of pulling out applies power, interface (385A) is against the pressure-bearing wall (46) of pressure ring (14) front end;
Described snap ring (32) is arranged on the front end in joint body (12) jack, and it controls bellows (4) front end bow wave portion (2M) after bellows (4) inserts;
Described snap ring (32) comprising:
Cyclic group body (320), its internal diameter is bigger than bellows (4) maximum diameter;
First card (321) and second card (322), it is tilted to stretch out and can elasticity scalable to internal diameter direction by cyclic group body (320); The angle of inclination of second card (322) is bigger than first card (321), and second card (322) is longer than first card (321) on length, to be limited in entering of bellows on the first card termination; The end of second card (322) is provided with the shockproof sheet (322A) to the bending of snap ring center;
Cylindrical jut (323), it is arranged on the cylindrical of cyclic group body (320) and to the flexiblely hole enlargement of axial direction of snap ring, and contacts with joint body (12) inwall.
2. inserted type quick coupling of flexible metal tube according to claim 1 is characterized in that, also comprises the packing ring (40) that is arranged between stop ring (38) and the Sealing (42).
3. inserted type quick coupling of flexible metal tube according to claim 2 is characterized in that, described first card (321) and second card (322) are provided with along the internal diameter interleaved of cyclic group body (320), and quantity has two respectively at least.
4. inserted type quick coupling of flexible metal tube according to claim 1 is characterized in that, also comprises the support ring (30) that is arranged on snap ring (32) front end, and support ring one end is resisted against on the snap ring (32).
5. inserted type quick coupling of flexible metal tube according to claim 4, it is characterized in that, joint body (12) inwall is located to be provided with respectively sealing accommodation section (23), snap ring corresponding to Sealing (42), snap ring (32) and support ring (30) and is controlled accommodation section (24), snap ring accommodation section (26), support ring accommodation section (28), and wherein snap ring is controlled accommodation section (24) and comprised that first controls accommodation section (24A) and second and control accommodation section (24B).
6. inserted type quick coupling of flexible metal tube according to claim 5, it is characterized in that, described snap ring accommodation section (26), first is controlled accommodation section (24A) and second and is controlled the internal diameter of accommodation section (24B) and become successively greatly, and described second controls the internal diameter of the internal diameter of accommodation section (24B) greater than sealing accommodation section (23).
7. inserted type quick coupling of flexible metal tube according to claim 1 is characterized in that, described pressure-bearing wall (46) and the rectangular direction setting of the joint shaft (70) of rapid pipe joint (10).
8. inserted type quick coupling of flexible metal tube according to claim 1, it is characterized in that, described tilt internal wall (381A) section is " く " shape, oblique jut (381) in one of them inclined-plane is used to form, and another face forms with interface (385A) and docks jut (385).
9. inserted type quick coupling of flexible metal tube according to claim 5 is characterized in that, in the circle the interior round accommodation section (44) of accommodating stop ring (38) is arranged in the pressure ring, and the internal diameter of described interior circle accommodation section (44) is identical with the internal diameter of sealing accommodation section (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100257143A CN100387890C (en) | 2006-04-14 | 2006-04-14 | Inserted type quick coupling of flexible metal tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100257143A CN100387890C (en) | 2006-04-14 | 2006-04-14 | Inserted type quick coupling of flexible metal tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1837668A CN1837668A (en) | 2006-09-27 |
| CN100387890C true CN100387890C (en) | 2008-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100257143A Expired - Fee Related CN100387890C (en) | 2006-04-14 | 2006-04-14 | Inserted type quick coupling of flexible metal tube |
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| CN (1) | CN100387890C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5297689B2 (en) * | 2007-05-10 | 2013-09-25 | 株式会社サンコー | Corrugated fitting |
| US9145992B2 (en) * | 2011-12-28 | 2015-09-29 | Cerro Flow Products Llc | Refrigeration line set fitting and method of using the same to join refrigeration lines to each other |
| CN105006784B (en) * | 2015-06-26 | 2017-09-29 | 宁波中车时代传感技术有限公司 | Corrugated flexible hose seal nipple |
| CN115339237B (en) * | 2021-11-18 | 2023-12-22 | 杭州秉信环保包装有限公司 | Printer oil pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5423578A (en) * | 1993-03-08 | 1995-06-13 | Tokyo Gas Co., Ltd. | Coupling for corrugated pipe |
| JP2000304179A (en) * | 1999-04-19 | 2000-11-02 | Shinwa Sangyo Co Ltd | Joint for flexible tube |
| CN1421634A (en) * | 2001-10-04 | 2003-06-04 | 东京瓦斯株式会社 | Inserting pipe joint |
| CN1435586A (en) * | 2002-02-01 | 2003-08-13 | 电缆处理产品有限公司 | Pipe joint |
| US20040012201A1 (en) * | 2000-07-06 | 2004-01-22 | Mario Bartholoma | Connecting fitting for peripherally ribbed longitudinal bodies with a locking retaining projecting element |
-
2006
- 2006-04-14 CN CNB2006100257143A patent/CN100387890C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5423578A (en) * | 1993-03-08 | 1995-06-13 | Tokyo Gas Co., Ltd. | Coupling for corrugated pipe |
| JP2000304179A (en) * | 1999-04-19 | 2000-11-02 | Shinwa Sangyo Co Ltd | Joint for flexible tube |
| US20040012201A1 (en) * | 2000-07-06 | 2004-01-22 | Mario Bartholoma | Connecting fitting for peripherally ribbed longitudinal bodies with a locking retaining projecting element |
| CN1421634A (en) * | 2001-10-04 | 2003-06-04 | 东京瓦斯株式会社 | Inserting pipe joint |
| CN1435586A (en) * | 2002-02-01 | 2003-08-13 | 电缆处理产品有限公司 | Pipe joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1837668A (en) | 2006-09-27 |
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