CN104110545B - Quick-insertion type pipe joint - Google Patents

Quick-insertion type pipe joint Download PDF

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Publication number
CN104110545B
CN104110545B CN201310285258.6A CN201310285258A CN104110545B CN 104110545 B CN104110545 B CN 104110545B CN 201310285258 A CN201310285258 A CN 201310285258A CN 104110545 B CN104110545 B CN 104110545B
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China
Prior art keywords
elastic collar
pipe
sleeve pipe
pipe joint
flexible pipe
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Application number
CN201310285258.6A
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Chinese (zh)
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CN104110545A (en
Inventor
周剑飞
张旭东
张丽红
朱振芳
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HAIYAN HAIGUAN PIPE FITTING MANUFACTURING Co Ltd
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HAIYAN HAIGUAN PIPE FITTING MANUFACTURING Co Ltd
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Priority to CN201310285258.6A priority Critical patent/CN104110545B/en
Publication of CN104110545A publication Critical patent/CN104110545A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/02Hose-clips
    • F16L33/025Hose-clips tightened by deforming radially extending loops or folds

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The present invention relates to a kind of Quick-insertion type pipe joint, be particularly well-suited to the connection of pipe joint and flexible pipe.The present invention includes pipe joint seat and sleeve pipe, pipe joint seat be provided with telescopic joint section with hose connection section, the elastic collar also including there is clamping sword, confined planes, guiding surface and end face and a sealing ring, elastic collar has opening, it is provided with male cone (strobilus masculinus), in sleeve pipe, is provided with inner conical surface.The present invention has the following advantages and effect: simple in construction, reasonable in design, easy to operate, after installation, elastic collar will draw in due to the elasticity of self, and make clamping sword card main flexible tube, when flexible pipe is applied the external force pulled outward, owing to clamping sword blocks flexible pipe, thus elastic collar will move along the inner conical surface of sleeve pipe and draw in, now the internal diameter of clamping sword diminishes, and externally applied forces is more big, and it is more tight that elastic collar draws in, the internal diameter of clamping sword is more little, thus more tight to hose clamp of clamping sword so that flexible pipe cannot be pulled out, and connects reliable.

Description

Quick-insertion type pipe joint
Technical field
The present invention relates to a kind of Quick-insertion type pipe joint, be particularly well-suited to the connection of pipe joint and flexible pipe.
Background technology
The connection of flexible pipe and pipe joint in prior art, usually flexible pipe is directly socketed on hose connection section of pipe joint, although can realize connecting, but this connected mode unreliable, and the connection of flexible pipe and linkage section easily falls off because of the aging of flexible pipe or the effect of external force.
Chinese patent application publication No. CN102996953A, disclose the snap joint of a kind of metal hose, by screwing the mode of spiral fastener and making the compression sealing member of its bottom that corrugated flexible metal tube to carry out clamping, spacing, corrugated flexible metal tube is sealed and fixes by the cutting ferrule that tightens up being provided with by joint body rearward end, the structure of this connected mode is complicated, add cost and troublesome poeration when connecting, add labor intensity.
Chinese patent publication No. CN101893146A, discloses a kind of hose coupling, and this hose coupling is by Hose Jacket on tube expansion bolt, and prevents flexible pipe from skidding off by the non slip surface of banded penstock nut.When but this hose coupling is installed, first will by banded penstock nut sleeve on the tube head of connected flexible pipe, again connection is lived nut empty set on tube expansion bolt, the lead segment of the tube expansion bolt being cased with connecting nut alive is directed at the pipe on banded penstock nut and connects the endoporus of screw thread and connected flexible pipe, banded penstock nut is held with hands or spanner, make it not rotate, inner hexagon spanner inserted in the inner hexagonal hole of tube expansion bolt and firmly turn tube expansion bolt along the axial of tube expansion bolt.Tube expansion bolt also screws with banded penstock nut until screw thread travel is complete while screwing in connected flexible pipe, joint is just installed on flexible pipe, finally " O " shape rubber seal is sleeved on the step seam of tube expansion bolt, and the screw thread of pre-stressed joint screw thread alignment connected equipment or the instrument lived on nut will be connected, finally with spanner (or directly with hands) by nut screwing clamping alive for connection, thus installation process is very loaded down with trivial details.
Summary of the invention
It is an object of the invention to overcome above shortcomings in prior art, and a kind of reasonable in design is provided, good seal performance, dependable performance, easy to operate Quick-insertion type pipe joint.
This invention address that the problems referred to above be the technical scheme is that this Quick-insertion type pipe joint, including pipe joint seat and sleeve pipe, described pipe joint seat is hollow structure, described pipe joint seat is provided with telescopic joint section, described telescopic joint section is connected with casing threads, described pipe joint seat is provided with hose connection section, and this hose connection section is positioned at sleeve pipe;It is characterized in that: also include that there is clamping sword, confined planes, the elastic collar of guiding surface and end face and the end face to elastic collar have a sealing ring of limit function, described elastic collar has opening, described elastic collar is provided with male cone (strobilus masculinus), it is provided with inner conical surface in described sleeve pipe, described inner conical surface near the diameter of the end face of sleeve pipe import department less than the diameter of the end face away from sleeve pipe import department, the male cone (strobilus masculinus) of described elastic collar and the inner conical surface of sleeve pipe match, the inner conical surface of described sleeve pipe projects to the length on casing axis and projects to the length of casing axis more than the male cone (strobilus masculinus) of elastic collar, described elastic collar is coordinated on the inner conical surface of sleeve pipe by its male cone (strobilus masculinus);Described guiding surface and casing axis acutangulate, and described clamping sword is positioned at the inner side of elastic collar, and described confined planes is between end face and clamping sword;Described sleeve pipe is provided with a seal groove, and a sealing ring is contained in a seal groove.Under normality, the internal diameter of the flexible pipe external diameter less than hose connection section, the internal diameter of clamping sword of elastic collar and the external diameter of flexible pipe match;Will swell when flexible pipe is inserted in hose connection section, the external diameter of flexible pipe becomes the outer wall promotion elastic collar making greatly flexible pipe, elastic collar moves along the inner conical surface of sleeve pipe, owing to being subject to the spacing of a sealing ring, now the opening of elastic collar will become big, the internal diameter of clamping sword can become big therewith, so that flexible pipe can pass through, flexible pipe is played guide effect when installing flexible pipe by guiding surface, when flexible pipe is inserted more smooth and easy, now elastic collar is played position-limiting action by a sealing ring, it is prevented that elastic collar departs from the inner conical surface of sleeve pipe and lost efficacy;After tube socket completes, No. one forms sealing between sealing ring and flexible pipe;When flexible pipe is applied the external force pulled outward, owing to clamping sword can block flexible pipe, thus elastic collar will move along the inner conical surface of sleeve pipe and draw in, now the internal diameter of clamping sword diminishes, externally applied forces is more big, and it is more tight that elastic collar draws in, and the internal diameter of clamping sword is more little, thus more tight to hose clamp of clamping sword so that flexible pipe cannot be pulled out;The setting of confined planes can limit clamping sword and insert the degree of depth of flexible pipe, make elastic collar entirety to be made to thrust flexible pipe and cause bigger otch on flexible pipe because of mounted flexible pipe is applied excessive pulling force, of long duration easily because this otch causes the fracture of flexible pipe, and the angle formed between confined planes and end face can play the effect of agnail, prevents flexible pipe from deviating from further;For operator, flexible pipe only need to be inserted hose connection section and can complete to connect, easy to operate.
Having cannelure on pipe joint seat of the present invention, this cannelure is between hose connection section and telescopic joint section and coaxial with hose connection section, and the degree of depth of cannelure is more than the distance of notch to hose connection section of end face.During installation, flexible pipe is directly inserted in this cannelure so that sealing effectiveness is better, connects more reliable.
Pipe joint seat of the present invention is provided with step, is provided with No. two seal grooves between step and telescopic joint section, and No. two sealing rings are contained in No. two seal grooves, and sleeve pipe is pressed on No. two sealing rings and is formed seals.No. two sealing rings can prevent sleeve pipe from revealing with threadeding of pipe joint seat.
Present invention additionally comprises No. three sealing rings, the import department of described sleeve pipe is provided with No. three seal grooves, and No. three sealing rings are contained in No. three seal grooves.No. three form sealing between sealing ring and flexible pipe so that sealing effectiveness is better.
Pipe joint seat of the present invention is provided with thread segment.Thread segment is used for connecting equipment or pipeline.
The present invention is compared with prior art, have the following advantages and effect: simple in construction, reasonable in design, Quick-insertion type pipe joint with hose connection time, only flexible pipe need to be inserted this Quick-insertion type pipe joint, easy to operate, after installation, elastic collar will draw in due to the elasticity of self, and make clamping sword card main flexible tube, when flexible pipe is applied the external force pulled outward, owing to clamping sword blocks flexible pipe, thus elastic collar will move along the inner conical surface of sleeve pipe and draw in, now the internal diameter of clamping sword diminishes, externally applied forces is more big, it is more tight that elastic collar draws in, the internal diameter of clamping sword is more little, thus more tight to hose clamp of clamping sword, flexible pipe cannot be pulled out, connect reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of Quick-insertion type pipe joint in the embodiment of the present invention.
Fig. 2 is the sectional structure schematic diagram of Quick-insertion type pipe joint in the embodiment of the present invention.
Fig. 3 is the schematic cross-section of elastic collar.
The schematic perspective view of Fig. 4 elastic collar.
Fig. 5 is Fig. 2 structural representation loading flexible pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing and by embodiment, the present invention is described in further detail, and following example are explanation of the invention and the invention is not limited in following example.
Embodiment.
Referring to Fig. 1 to Fig. 5, the Quick-insertion type pipe joint in the present embodiment includes pipe joint seat 1, sleeve pipe 2,3, sealing ring of elastic collar, 5, No. three sealing rings 6 of 4, No. two sealing rings and flexible pipe 7.Wherein, pipe joint seat 1 includes telescopic joint section 11, hose connection section 12, No. two seal grooves 13, cannelure 14, step 15 and thread segment 16, sleeve pipe includes inner conical surface 21, import department's 23, seal groove 24 of 22, No. three seal grooves, axis 25 and sideline 26, and elastic collar 3 includes opening 31, male cone (strobilus masculinus) 32, clamping sword 33, guiding surface 34, end face 35 and confined planes 36.Elastic collar 3 and the internal diameter of a sealing ring 4 under normality are respectively less than flexible pipe 7 and are inserted in the external diameter s after hose connection section 12, the internal diameter e of the flexible pipe 7 under the normality external diameter f less than hose connection section 12, thus flexible pipe 7 is when being connected with hose connection section 12, flexible pipe 7 will swell, and the internal diameter e of flexible pipe 7 will become big.
Pipe joint seat 1 in the present embodiment is hollow structure, pipe joint seat 1 is provided with telescopic joint section 11, threaded with sleeve pipe 2 for telescopic joint section 11, pipe joint seat 1 is provided with hose connection section 12 for being socketed flexible pipe 7, after pipe joint seat 1 is threadeded with sleeve pipe 2, this hose connection section 12 is positioned at sleeve pipe 2, and have cannelure 14 between hose connection section 12 and telescopic joint section 11, flexible pipe 7 can be plugged in cannelure 14, increase its sealing effectiveness, the degree of depth L of cannelure 14 is more than the distance H of notch to hose connection section of 12 end faces so that connect more reliable;nullElastic collar 3 has opening 31,Make it have the condition opening gathering,Elastic collar 3 is provided with male cone (strobilus masculinus) 32,Inner conical surface 21 it is provided with in sleeve pipe 2,Inner conical surface 21 near the diameter i of the end face of sleeve pipe 22 import department less than the diameter j of the end face away from sleeve pipe 2 import 22 place,The male cone (strobilus masculinus) 32 of elastic collar 3 matches with the inner conical surface 21 of sleeve pipe 2,Elastic collar 3 is coordinated on the inner conical surface 21 of sleeve pipe 2 by its male cone (strobilus masculinus) 32,And elastic collar 3 can move along the inner conical surface 21 of sleeve pipe and make the opening 31 of elastic collar 3 open or draw under external force,The inner conical surface 21 of sleeve pipe 2 projects to the length c of the axis 25 of the sleeve pipe 2 length d projecting to the axis 25 of sleeve pipe 2 more than the male cone (strobilus masculinus) 32 of elastic collar 3 herein,Therefore elastic collar 3 is made to have had the condition of movement on sleeve pipe 2 inner conical surface 21;Elastic collar 3 is provided with clamping sword 33, confined planes 36, guiding surface 34 and end face 35, guiding surface 34 and sleeve pipe 2 axis 25 acutangulate n, as preferably, acute angle n is 30 degree, and flexible pipe 7 is played guide effect when installing flexible pipe 7 by guiding surface 34 so that the installation of flexible pipe 7 is more smooth and easy, clamping sword 33 is positioned at the inner side of elastic collar 3, confined planes 36 is between end face 35 and clamping sword 33, and confined planes 36 cuts the degree of depth of flexible pipe 7 for limiting clamping sword 33, it is prevented that cause flexible pipe 7 to damage;Sleeve pipe 2 is provided with a seal groove 24, a number sealing ring 4 is contained in a seal groove 24, the end face 35 of elastic collar 3 is had number sealing ring 4 of limit function by a number sealing ring 4 can be prevented elastic collar 3 from skidding off to the left and lose efficacy, and flexible pipe 7 is played the effect of sealing by sealing ring 4.
Forming acute angle a in the present embodiment between confined planes 36 and end face 35, the angle a formed between confined planes and end face can play the effect of agnail, prevents flexible pipe 7 from deviating from further, and as preferably, the angle of a is 60 degree.
Pipe joint seat 1 in the present embodiment is provided with step 15, No. two seal grooves 13 it are provided with between step 15 and telescopic joint section 11, No. two sealing rings 5 are contained in No. two seal grooves 13, sleeve pipe 2 is pressed on No. two sealing rings 5 and is formed seals, telescopic joint section 11 is sealed by No. two sealing rings 5, and No. two sealing rings 5 can prevent sleeve pipe 2 from revealing with threadeding of pipe joint seat 1.
The import department 22 of the sleeve pipe 2 in the present embodiment is provided with No. three seal grooves 23, and No. three sealing rings 6 are contained in No. three seal grooves 23, is formed and seals, it is prevented that reveal in sleeve pipe 2 import department 22 between No. three sealing rings 6 and flexible pipe 7.
Pipe joint seat 1 in the present embodiment is provided with thread segment 16, and thread segment 16 is used for connecting equipment or pipeline, can arrange sealing ring between step 15 and No. two thread segments 16, increases the sealing of pipe joint seat 1 and equipment or pipeline.
The operation principle of the present embodiment: will swell when flexible pipe 7 is inserted in hose connection section 12, the external diameter s of flexible pipe becomes the outer wall promotion elastic collar 3 making greatly flexible pipe 7, elastic collar 3 can move along the inner conical surface 21 of sleeve pipe 2, owing to being subject to the spacing of a sealing ring 4, now the opening 31 of elastic collar 3 will become big, the internal diameter g of clamping sword 33 can become big therewith, so that flexible pipe 7 can pass through, the setting of guiding surface 34 can make flexible pipe 7 more smooth and easy when inserting;After flexible pipe 7 has been socketed, is formed between a sealing ring 4 and flexible pipe 7 and seal, therefore just complete the installation of flexible pipe 7;After installation, elastic collar 3 will draw in due to the elasticity of self, and clamping sword 33 card main flexible tube 7, when flexible pipe 7 is applied the external force pulled outward, owing to clamping sword 33 blocks flexible pipe 7, thus elastic collar 4 will move along the inner conical surface 21 of sleeve pipe 2 and draw in, now the internal diameter g of clamping sword 33 diminishes therewith, and externally applied forces is more big, it is more tight that elastic collar 3 draws in, the internal diameter g of clamping sword 33 is more little, thus clamping sword 33 flexible pipe 7 is blocked more tight so that flexible pipe 7 difficult drop-off;The setting of confined planes 36 makes elastic collar 3 entirety to be made to thrust flexible pipe 7 and cause bigger otch on flexible pipe 7 because of mounted flexible pipe 7 is applied excessive pulling force, the of long duration fracture easily causing flexible pipe 7 because of this otch, and the angle a formed between confined planes 36 and end face 35 can play the effect of agnail, prevents flexible pipe 7 from deviating from further;For operator, only flexible pipe 7 need to be inserted.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of its parts and components, be named title etc. can be different, and the above content described in this specification is only to present configuration example explanation.All equivalences done according to the structure described in inventional idea of the present invention, feature and principle change or simple change, are all included in the protection domain of patent of the present invention.Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by those skilled in the art; without departing from the structure of the present invention or surmount the scope that present claims book is defined, protection scope of the present invention all should be belonged to.

Claims (4)

1. a Quick-insertion type pipe joint, including pipe joint seat and sleeve pipe, described pipe joint seat is hollow structure, described pipe joint seat is provided with telescopic joint section, described telescopic joint section is connected with casing threads, and described pipe joint seat is provided with hose connection section, and this hose connection section is positioned at sleeve pipe;It is characterized in that: also include that there is clamping sword, confined planes, the elastic collar of guiding surface and end face and the end face to elastic collar have a sealing ring of limit function, described elastic collar has opening, described elastic collar is provided with male cone (strobilus masculinus), it is provided with inner conical surface in described sleeve pipe, described inner conical surface near the diameter of the end face of sleeve pipe import department less than the diameter of the end face away from sleeve pipe import department, the male cone (strobilus masculinus) of described elastic collar and the inner conical surface of sleeve pipe match, the inner conical surface of described sleeve pipe projects to the length on casing axis and projects to the length of casing axis more than the male cone (strobilus masculinus) of elastic collar, described elastic collar is coordinated on the inner conical surface of sleeve pipe by its male cone (strobilus masculinus);Described guiding surface and casing axis acutangulate, and described clamping sword is positioned at the inner side of elastic collar, and described confined planes is between end face and clamping sword;Described sleeve pipe is provided with a seal groove, and a sealing ring is contained in a seal groove;
Having cannelure on described pipe joint seat, this cannelure is between hose connection section and telescopic joint section and coaxial with hose connection section, and the degree of depth of cannelure is more than the distance of notch to hose connection section of end face;
Acute angle a is formed between described confined planes and end face.
2. Quick-insertion type pipe joint according to claim 1, it is characterised in that: described pipe joint seat is provided with step, is provided with No. two seal grooves between step and telescopic joint section, and No. two sealing rings are contained in No. two seal grooves, and sleeve pipe is pressed on No. two sealing rings and is formed seals.
3. Quick-insertion type pipe joint according to claim 2, it is characterised in that: including No. three sealing rings, the import department of described sleeve pipe is provided with No. three seal grooves, and No. three sealing rings are contained in No. three seal grooves.
4. Quick-insertion type pipe joint according to claim 1 and 2, it is characterised in that: described pipe joint seat is provided with thread segment.
CN201310285258.6A 2013-07-09 2013-07-09 Quick-insertion type pipe joint Active CN104110545B (en)

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Application Number Priority Date Filing Date Title
CN201310285258.6A CN104110545B (en) 2013-07-09 2013-07-09 Quick-insertion type pipe joint

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Application Number Priority Date Filing Date Title
CN201310285258.6A CN104110545B (en) 2013-07-09 2013-07-09 Quick-insertion type pipe joint

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CN104110545A CN104110545A (en) 2014-10-22
CN104110545B true CN104110545B (en) 2016-07-06

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112664736A (en) * 2020-12-09 2021-04-16 武汉船用电力推进装置研究所(中国船舶重工集团公司第七一二研究所) Ready-package hose

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2802233Y (en) * 2005-05-24 2006-08-02 苏和 Inserted elastic fastening pipe joint
JP3909484B2 (en) * 2000-11-21 2007-04-25 未来工業株式会社 Synthetic resin pipe connection device
KR20100131171A (en) * 2009-06-05 2010-12-15 주식회사 캐프 Pipe connecting assembly for washer pump of automobile
CN201973381U (en) * 2011-03-14 2011-09-14 浙江海洋学院 Ring-shaped clamping sleeve for hydraulic pipe joint
CN102691835A (en) * 2011-03-21 2012-09-26 浙江快科科技有限公司 Double-ferrule type pipe joint
CN102889439A (en) * 2011-07-21 2013-01-23 贵州工信机电科技有限公司 Hydraulic pipe joint sleeve
CN203442379U (en) * 2013-07-09 2014-02-19 海盐县海管管件制造有限公司 Quick-inserting-type pipe joint

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3909484B2 (en) * 2000-11-21 2007-04-25 未来工業株式会社 Synthetic resin pipe connection device
CN2802233Y (en) * 2005-05-24 2006-08-02 苏和 Inserted elastic fastening pipe joint
KR20100131171A (en) * 2009-06-05 2010-12-15 주식회사 캐프 Pipe connecting assembly for washer pump of automobile
CN201973381U (en) * 2011-03-14 2011-09-14 浙江海洋学院 Ring-shaped clamping sleeve for hydraulic pipe joint
CN102691835A (en) * 2011-03-21 2012-09-26 浙江快科科技有限公司 Double-ferrule type pipe joint
CN102889439A (en) * 2011-07-21 2013-01-23 贵州工信机电科技有限公司 Hydraulic pipe joint sleeve
CN203442379U (en) * 2013-07-09 2014-02-19 海盐县海管管件制造有限公司 Quick-inserting-type pipe joint

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