CN206072605U - A kind of axial buckle press joint - Google Patents

A kind of axial buckle press joint Download PDF

Info

Publication number
CN206072605U
CN206072605U CN201621082787.1U CN201621082787U CN206072605U CN 206072605 U CN206072605 U CN 206072605U CN 201621082787 U CN201621082787 U CN 201621082787U CN 206072605 U CN206072605 U CN 206072605U
Authority
CN
China
Prior art keywords
ring
joint
pressure ring
casing play
press
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.)
Expired - Fee Related
Application number
CN201621082787.1U
Other languages
Chinese (zh)
Inventor
张建军
马芳芳
赵文博
姚远鹏
吕建功
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Ming Airlines Technology Research Institute LLC
Naval University of Engineering PLA
Original Assignee
BEIJING YANTUO VIBRATION ATTENUATION SCIENCE & TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BEIJING YANTUO VIBRATION ATTENUATION SCIENCE & TECHNOLOGY Co Ltd filed Critical BEIJING YANTUO VIBRATION ATTENUATION SCIENCE & TECHNOLOGY Co Ltd
Priority to CN201621082787.1U priority Critical patent/CN206072605U/en
Application granted granted Critical
Publication of CN206072605U publication Critical patent/CN206072605U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)

Abstract

This utility model is a kind of axial buckle press joint, including body inner glue layer, casing play, body outer glue-line is tubular construction and socket forms body successively from inside to outside, the body inner glue layer, casing play stretches out the body with one end, the casing play is flexible material, the buckle press joint also includes outer press ring, inner pressure ring, the front end of the body inner glue layer external part is enclosed within outside the outer press ring, it is enclosed within outside the inner pressure ring on the back segment of the casing play, the outer press ring, casing play leading portion, inner pressure ring, lap joint flange is axially offseted to the other end successively from external part along the body and is compressed and by sulfuration integrated molding.Using the joint compared with the flexibility connection pipe that the attachment structure of body compares equal length, joint dimension is little, the flexible segment length of body, and simple structure is flexible for installation, and sulfuration is integrally formed makes joint and body more strong bonded.Solve that conventional axial buckle press joint bonding strength is low, anti-pulling-and-doffing performance is poor, there is no the technical problem of auto-lock function.

Description

A kind of axial buckle press joint
Technical field
This utility model is related to a kind of axial buckle press joint, the more particularly to axial buckle press joint structure of flexibility connection pipe. Belong to conduit coupling technical field, be mainly used in the pipe-line system of the working medias such as all kinds of oil, water.
Background technology
At present, in the industrial circles such as oil, chemical industry, ship, the pipeline using oil, water etc. as working media is laid in a large number System, pipeline in equipment operation, expand with heat and contract with cold, in the presence of the factor such as vibratory impulse, corresponding power, vibration and position can be produced Move.Therefore adopt rubber flexible connecting pipe in pipe-line system in a large number, play vibration and noise reducing, shock resistance, bit shift compensation and transmission and be situated between The effect of matter.It is at pipeline latus rectum larger (more than DN32), general to connect metal tubes and rubber in the form of bump joint Flexibility connection pipe, in order to ensure the security reliability of pipe-line system, the bump joint structure and assembly form of rubber flexible connecting pipe rise Important function.
In the conventional technology, rubber flexible connecting pipe bump joint frequently with attaching type (see Fig. 1), flange live flange form (see Fig. 2), the structure such as mounting flange formula (see Fig. 3), several structures respectively have advantage but have deficiency, analysis in table 1.
Table 1
It can be seen that, several joint designs cut both ways, and existing product can not take into account stable and reliable for performance, easy for installation, light weight The demand used with little space mounting.
So need a kind of joint badly, solve that traditional jointing bonding strength is low, anti-pulling-and-doffing performance is poor, there is no the skill of auto-lock function Art problem.
The content of the invention
The purpose of this utility model is to provide a kind of axial buckle press joint, solves traditional jointing bonding strength low, anti- Pull-off is poor, do not have the technical problem of auto-lock function.
This utility model adopts following technical scheme:
A kind of axial buckle press joint, including lap joint flange (1), flexible pipe body (10);The lap joint flange (1) is ring flange Structure, the flexible pipe body (10) include inner glue layer (2), casing play (3), outer glue-line (4) from inside to outside successively, and described withholding connects Head is located at the termination of the flexible pipe body (10), it is characterised in that:
The buckle press joint also includes outer press ring (5), inner pressure ring (6), and the outer press ring (5), inner pressure ring (6) are annular sleeve The inner glue layer (2) of the flexible pipe body (10) end is enclosed within outside structure, the outer press ring (5) outward, described inner glue layer (2) end The boss (21) of a ring shape is provided with outward, outer press ring (5) the inner ring end is provided with corresponding ring-shaped depression (51), The boss (21) is embedded in the depression (51) sealing structure for forming joint and pumped (conveying) medium in pipe;The outer press ring (5) Being turned down along its outer ring backward makes its section L-shaped, and it is tubular pressure ring (52) to rout up part;
Outwards turnover makes its section in the L-type stood upside down to described its end face of inner pressure ring (6) front end edge, inner pressure ring (6) set It is cylindrical jacket (62) in the casing play (3) part outward, cylindrical jacket (62) rear end is connect with the outer glue-line (4) Contacting surface offsets into inclined-plane, and the contact surface of the outer glue-line (4) is located at the contact surface on the inclined-plane with the cylindrical jacket (62) Constitute and the sealing structure outside body;The part that the inner pressure ring (6) is turned up is annular disk (61), before the casing play (3) End outwards turns down anti-package residence backward and states annular disk (61) front end face and side wall, and the annular disk (61) is embedded in the outer press ring (5) L-shaped is wrapped, and the front end face of the annular disk (61) is offseted and accommodates the bone with the rear end face of the outer press ring (5) Rack-layer (3), annular disk (61) described in tubular pressure ring (52) overcoat simultaneously clamp the casing play (3) front end, the tubular pressure Thickness of the height of ring (52) less than the annular disk (61), the lap joint flange (1) are socketed on the cylindrical jacket (62) And offset with the rear end face of the annular disk (61), the inner glue layer (2) of the flexible pipe body (10), casing play (3), outer glue-line (4), outer press ring (5), inner pressure ring (6) Jing sulfurations is integrally formed.
The outer press ring (5), inner pressure ring (6), lap joint flange (1) are made of metal materials.
The outer press ring (5), the contact surface of inner pressure ring (6) are provided with the waveform or jagged teeth being mutually twisted (7) occlusion compresses the casing play (3).
The flexible pipe body inner glue layer (2), outer glue-line (4) are quality of rubber materials, and the casing play (3) is using impregnation aramid fiber curtain Line makes, and flexible pipe body (10) the Jing sulfurations are integrally formed;The outer press ring (5), inner pressure ring (6) contact surface gluing.
The deflection angle that turns up of the inner pressure ring (6) for arc transition, described outer press ring (5) to should circular arc camber line is set Transition.
Advantage of the present utility model is as follows:
1. this utility model axial direction buckle press joint structure digs anti-package structure by casing play 3, and conventional radial is withheld shape Formula is converted to axially withholds, and both withhold size quite, i.e., on the premise of strength of joint, anti-pulling-and-doffing performance and reliability is ensured, Axial space size is saved, compared with the common flex of equal length is taken over, body flexible section is longer, and vibration shock isolation performance is more It is excellent.The joint and body more strong bonded are made using sulfuration integrated forming technique, intensity, the anti-pulling-and-doffing performance of joint is enhanced And security reliability.Adopt this utility model axial direction buckle press joint structure to realize and obtain good with little bump joint size Strength of joint, anti-pulling-and-doffing performance, sealing and reliability;
2., after this utility model axial direction buckle press joint is installed, it is bolted, joint each several part clamping, inside and outside pressure ring Structure design and due to Design and Machining match it is wavy or angled fall laciniation, after casing play 3 is compressed, Inside and outside pressure ring pressing locking is capable of achieving auto-lock function, with the increase of pipe in-vivo medium pressure, acts on joint casing play 3 Pressure force also accordingly increases, and further strengthens auto-lock function, reaches the preferable mechanical state of joint design;Under elevated pressure conditions certainly Lock function advantage becomes apparent from, further reinforced joint intensity and reliability.Ensure that its damping, impact resistance and its can By property.
3. the flexibility connection pipe sealing surface of this utility model axial direction buckle press joint is metal joint rigid seal, non-aging, It is capable of achieving multiple installing/dismounting, installation accuracy and requires that low, reliability is high, connection can be effectively ensured from appropriate sealing member close Feng Xing;Compare traditional flange to live the sealing surface of flanged fitting structure, which adopts the sealing surface of rubber turnup structure, easy creep, It is easily aging, repeatedly install and use and easily cause rubber face destruction, installation accuracy and have high demands, so as to be easily caused seal failure.
4. this utility model axial direction buckle press joint simple structure, easily manufactured, and coordinating lap joint flange to rotate freely can be Realize flexibly installing in little space.
5. flexibility connection pipe latus rectum DN32 can be reached using axial buckle press joint structure and its sulfuration integrated forming technique 25~20MPa burst pressures joint is being born without damage in the range of~DN100, in the range of latus rectum DN125~DN250,15 is being born ~12MPa burst pressure joints are without damage;Under 1.33 times of operating pressures, pulsating fatigue reaches No. 400,000 joints without damage.
Description of the drawings:
Attaching type structural representations of the Fig. 1 for conventional art;
Flanged fitting structural representations of the Fig. 2 for conventional art;
Mounting flange formula joint design schematic diagrams of the Fig. 3 for conventional art;
Schematic diagrams of the Fig. 4 for this utility model cross section structure;
Fig. 5 is the schematic diagram of this utility model and pipeline joint structure;
Fig. 6 is this utility model outer press ring structural representation;
Fig. 7 is this utility model inner pressure ring structural representation;
Fig. 8 is this utility model lap joint flange structural representation;
Specific embodiment
Below in conjunction with the accompanying drawings specific embodiment of the present utility model is described further.
Following examples are only to illustrate this utility model example for clear, and not to enforcement of the present utility model The restriction of mode.For those of ordinary skill in the field, other can also be made not on the basis of the following description With the change or variation of form, and these belong to this utility model obvious change for being drawn of spirit or change still in Among protection domain of the present utility model.
Embodiment 1
Referring to shown in Fig. 4-8, a kind of axial buckle press joint, including lap joint flange 1, flexible pipe body 10;The lap joint flange 1 For flange plate structure, from inside to outside successively including inner glue layer 2, casing play 3, outer glue-line 4, described withholding connects the flexible pipe body 10 Head is located at the termination of the flexible pipe body 10,
The buckle press joint also includes outer press ring 5, inner pressure ring 6, and the outer press ring 5, inner pressure ring 6 are annular nested structure, institute State and be enclosed within outside the inner glue layer 2 of 10 end of the flexible pipe body outside outer press ring 5, outside described 2 end of inner glue layer, be provided with a ring The boss 21 of shape, 5 inner ring end of the outer press ring are provided with corresponding ring-shaped depression 51, and the boss 21 is embedded in described recessed Fall into the sealing structure that joint and pumped (conveying) medium in pipe are formed in 51;The outer press ring 5 is turned down backward along its outer ring makes its section be in L Type, it is tubular pressure ring 52 to rout up part;
The outside turnover of its end face of 6 front end edge of the inner pressure ring makes its section in the L-type stood upside down, and the inner pressure ring 6 is enclosed within institute It is cylindrical jacket 62 to state the part outside casing play 3, and the contact surface of 62 rear end of the cylindrical jacket and the outer glue-line 4 is into inclined-plane phase Support, the contact surface of the outer glue-line 4 is located on the inclined-plane outside the contact surface composition with the cylindrical jacket 62 and body Sealing structure;The part that the inner pressure ring 6 turns up is annular disk 61, and 3 front end of the casing play outwards turns down anti-package residence backward 61 front end face of annular disk and side wall are stated, the annular disk 61 is embedded in the L-shaped of the outer press ring 5 and is wrapped, the annular disk 61 Front end face is offseted and accommodates the casing play 3, annular disk described in 52 overcoat of tubular pressure ring with the rear end face of the outer press ring 5 61 and clamp 3 front end of the casing play, the thickness of the height of the tubular pressure ring 52 less than the annular disk 61, the kink method Blue 1 is socketed on the cylindrical jacket 62 and is offseted with the rear end face of the annular disk 61, the inner glue layer of the flexible pipe body 10 2nd, casing play 3, outer glue-line 4, outer press ring 5,6 Jing of inner pressure ring sulfurations is integrally formed.
The outer press ring 5, inner pressure ring 6, lap joint flange 1 are made of metal materials.
The outer press ring 5, the contact surface of inner pressure ring 6 are provided with the waveform that is mutually twisted or jagged teeth 7 are stung The tight casing play 3 of combined pressure.
The flexible pipe body inner glue layer 2, outer glue-line 4 are quality of rubber materials, and the casing play 3 is using impregnation aromatic polyamide cord system Make, 10 Jing of flexible pipe body sulfurations are integrally formed;The outer press ring 5,6 contact surface gluing of inner pressure ring.
The deflection angle that turns up of the inner pressure ring 6 is arc transition, and described outer press ring 5 pairs should circular arc setting camber line mistake Cross.
Using method and self-lock mechanism:
Flexibility connection pipe is connected with pipeline, needs the pipe interface of docking to be similarly flange-interface, it is described in this programme Lap joint flange axial direction buckle press joint is docked with flange-interface and is bolted pretension.Now by continuous pretension bolt, two methods It is blue constantly to be extruded by pretension, at the same time, press the outer press ring, inner pressure ring.The casing play that turns up thus compressed naturally, by In the waveform or jagged teeth 7 that are mutually twisted is provided with, so as to define auto-lock function, with pipe in-vivo medium pressure Strong increase, acts on pressure force on joint casing play 3 and also accordingly increases, further strengthen auto-lock function, under elevated pressure conditions Auto-lock function advantage becomes apparent from.In addition the boss of the body inner glue layer has been due to being lying in the depression, the outer press ring Can also promote to press the body inner glue layer end face and need mating interface end face.That is, the pretension of bolt is not only docked Interface is secured, the casing play has also been compressed.This utility model significantly simplifies attachment structure, the length reduction of joint design , installation is facilitated, deadweight is reduced, can be completed to install in small space.
Form is axially withheld using this utility model joint and body pressing and forming are realized in less space, by flange The sealing position of joint is designed as inside and outside pressure ring composite construction, and it is wavy or angled that inside and outside pressure ring Design and Machining matches Fall laciniation, inside and outside pressure ring Jing process after by body framework material end fasten compress, by sulfidization molding, make to connect Head is combined as a whole with framework material;When gradually being fastened with bolt in flange installation process, inside and outside pressure ring pressing locking, bone Frame material is connected even closer with joint, enhances strength of joint, reliability and anti-pulling-and-doffing performance, and due to scratching using the joint Property adapter sealing surface be metal rigidity sealing, connection sealing can be effectively ensured from appropriate sealing member, while being difficult old Change.
During processing, the stitching surface of the inside and outside pressure ring of joint is reached and rubber through sandblasting, cleaning, spraying adhesive, drying And the requirement of framework material excellent bonds;Traditionally complete flexibility connection pipe body cladding, winding after, erection joint and will pipe Body framework material is dug with inside and outside pressure ring clamping, using frock compression, framework material and joint sulfidization molding, makes joint and bone Rack-layer 3, inner glue layer 2, outer glue-line 4 are combined as a whole and constitute entirety.Bone is ensured using inside and outside pressure ring contact surface adhesive for spraying The bonding strength of frame material and metal joint.
This utility model axial direction buckle press joint structure obtains good strength of joint, resistance to plucking with little bump joint size and takes off Property, sealing and reliability, and joint design is simple, lightweight, easy for installation;Design of material, interface size design can be passed through Flexibility connection pipe is made to be applied to the various workings such as different interface shapes, inside nominal diameter, working media with pipe structure design.Using This utility model axial direction buckle press joint structure and its integrated molding technology can reach flexibility connection pipe latus rectum DN32~DN100 models Enclose inherence and 25~20MPa burst pressures joint is born without damage, to bear 15~12MPa quick-fried in the range of latus rectum DN125~DN250 Broken compression fittings are without damage;Under 1.33 times of operating pressures, pulsating fatigue reaches No. 400,000 joints without damage, be effectively ensured equipment and The security reliability of pipe-line system.
Application examples 1
According to axial buckle press joint structure and its integrated molding Analyzing on Building A Planning Scheme trial-production flexibility connection pipe, analysis verification connects Head reliability.
Flexibility connection pipe latus rectum DN250, operating pressure 3.0MPa, working medium water, interface size are set according to GB2501 standards Meter.
Fig. 6 is seen according to above-mentioned requirements design flexibility connection pipe joint.
According to interface size design bump joint part, framework material adopts impregnation aromatic polyamide cord, the inside and outside pressure ring patch of joint Conjunction face completes, after body cladding operation, to install metal joint part, by skeleton according to technological design using the process of special adhesive Material layer digs brushing adhesive, and clamping is compressed between inside and outside pressure ring and with special tooling, so as to ensure that flexibility connects after sulfuration The anti-pulling-and-doffing performance of pipe joint.
Butt joint part stressing conditions are analyzed:
1) under working condition, flexibility connection pipe pressurising 3.0MPa, when safety coefficient is designed as 3 times of rated operating pressures, effect Power in body unit length is:F=3PS=3 × 3.0MPa × (π × 250mm × 1mm)=7065N, i.e. unit length pipe Body stress about 7.07kN/mm;
2) aromatic polyamide cord specification be 1670dtex/1 × 3, its elongation at break about 4%, pull apart strength about 750N, stretching die Amount 780cN/dtex, elastic modelling quantity 120GPa, cord winding angle are 54.4 °, and the cord number of plies is 4 layers, and flexibility connection pipe reaches peace Under times rated operating pressure effect of overall coefficient, i.e., 3, body axial direction maximum distortion about 2.9mm, axial deformation about 2.5mm, here make Under firmly, 0.85kN/mm is about to pulling force suffered by monolayer framework material;
3) with reference to joint design size (Fig. 6), inside and outside pressure ring binding face is the lip/recess with certain angle Structure, after framework material pressing locking, pulling force suffered by framework material is can be analyzed to perpendicular to oblique in lip/recess pressing position The normal force in face and the tangential force along bevel direction, tangential force here can be considered the pull-off that joint location framework material is subject to Power, carries out force analysis to the position framework material, calculate monolayer framework material suffered by pull-out force be about 0.61kN/mm;
4) by experimental test, treated rubber is 22kN/m, framework material and rubber with the bonding strength of metal Bonding strength be 13kN/m (H extractions);
5), after the fastening of 12-M24 bolts, bolt pretightening is approximately self-locking action power of the inside and outside pressure ring to aromatic polyamide cord:P0 =σ 0As=0.5 σ sAs=0.5 × 640N/mm2 × 353mm2=112960N ≈ 113kN;P0 is pretightning force, and σ s are spiral shell Stricture of vagina performance rate, calculated diameters of the As for threaded portion weak section.
6) framework material is by inside and outside pressure ring clamping partial-length about 60mm, therefore pull-out force suffered by monolayer framework material is about 37kN, clamping part adhesion of rubber to metal intensity are about 1.32kN, and framework material is about 0.78kN with rubber adhesion intensity, Inside and outside pressure ring is about 113kN to the self-locking action power of cord.
As can be seen here, bonding force suffered by framework material and the collective effect power of self-locking action power, are far longer than flexibility connection pipe Under 3 times of operating pressures, suffered pull-out force, analyzes from point of theory, and flexibility connection pipe in a rated operation can not pull-off.
Performance test is carried out to flexibility connection pipe preproduction workpiece:
1) rated operating pressure is pressurized to flexibility connection pipe internal water flooding, pressurize 15min, body are without exception, connector status Well;
2) 2 times of rated operating pressures are pressurized to flexibility connection pipe, pressurize 30min, body are without exception, and connector status are good;
3) pressurising is continued to flexibility connection pipe, to 12.5MPa body explosions, joint is still remained intact after explosion, by calculating Pull-out force F=PExplosion×π×R2Show that the de- ability of resistance to plucking is more than 60T.
4) to flexibility connection pipe with 50~60 times/min of cycle, 0~1.33 times of rated operating pressure carries out pressure pulse test, After the test of 400000 subpulses, body is without exception, and connector status are good;
5) rated operating pressure is pressurized to flexibility connection pipe internal water flooding, one end is fixed, the other end is with the axial position of 24mm Move, the axial displacement of 20mm is carried out stretching, compressed, after respectively carrying out 20 extreme displacement complementation tests, body is without exception, nipple State is good;
6) axial tension, the compression of 12mm under rated operating pressure, are carried out, 1500 connector status is respectively carried out good.
7) radial shear 1500 times of 10mm under rated operating pressure, is carried out, connector status are good.
Flexibility connection pipe joint design reliability is axially withheld by experimental test to verify to self-locking, the joint design Impacted under the various operating modes such as displacement, internal pressure pulse, by tensile and compress, radial shear, and all directions Good anti-pulling-and-doffing performance and sealing are can guarantee that, with high security reliability, conventional flex union nipple is fully met Install and use requirement.
In sum, self-locking described in the utility model axially withhold flexibility connection pipe joint design have it is rational in infrastructure, system Make the de- ability of process is simple, resistance to plucking it is strong the advantages of, with high security reliability, and which is lightweight, and size is little, can meet little The flexibility connection pipe installation requirements in space, and do not affect the property such as vibration damping, noise reduction, shock resistance, bit shift compensation that flexibility connection pipe has Can require, it is adaptable to the joint design of each field flexibility connection pipe and processing and manufacturing.

Claims (5)

1. a kind of axial buckle press joint, including lap joint flange (1), flexible pipe body (10);The lap joint flange (1) is tied for ring flange Structure, the flexible pipe body (10) include inner glue layer (2), casing play (3), outer glue-line (4), the buckle press joint from inside to outside successively Positioned at the termination of the flexible pipe body (10), it is characterised in that:
The buckle press joint also includes outer press ring (5), inner pressure ring (6), and the outer press ring (5), inner pressure ring (6) are annular noose The inner glue layer (2) of the flexible pipe body (10) end is enclosed within outside structure, the outer press ring (5) outward, outside described inner glue layer (2) end The boss (21) of a ring shape is provided with, outer press ring (5) the inner ring end is provided with corresponding ring-shaped depression (51), institute State boss (21) and be embedded in the depression (51) sealing structure for forming joint and pumped (conveying) medium in pipe;Outer press ring (5) edge Its outer ring turns down backward makes its section L-shaped, and it is tubular pressure ring (52) to rout up part;
Outwards turnover makes its section in the L-type stood upside down to described its end face of inner pressure ring (6) front end edge, and the inner pressure ring (6) is enclosed within institute It is cylindrical jacket (62) to state casing play (3) part outward, the contact surface of cylindrical jacket (62) rear end and the outer glue-line (4) Offset into inclined-plane, the contact surface of the outer glue-line (4) is located on the inclined-plane contact surface composition with the cylindrical jacket (62) With the sealing structure outside body;The part that the inner pressure ring (6) is turned up is annular disk (61), casing play (3) front end to Annular disk (61) front end face and side wall are stated in the outer anti-package residence that turns down backward, and the annular disk (61) is embedded in the L of the outer press ring (5) Shape is wrapped, and the front end face of the annular disk (61) is offseted and accommodates the casing play with the rear end face of the outer press ring (5) (3), annular disk (61) described in tubular pressure ring (52) overcoat the casing play (3) front end is clamped, the tubular pressure ring (52) thickness of the height less than the annular disk (61), the lap joint flange (1) are socketed on the cylindrical jacket (62) simultaneously Offset with the rear end face of the annular disk (61), the inner glue layer (2) of the flexible pipe body (10), casing play (3), outer glue-line (4), Outer press ring (5), inner pressure ring (6) Jing sulfurations are integrally formed.
2. a kind of axial buckle press joint according to claim 1, it is characterised in that:The outer press ring (5), inner pressure ring (6), Lap joint flange (1) is made of metal material.
3. a kind of axial buckle press joint according to claim 1, it is characterised in that:The outer press ring (5), inner pressure ring (6) Contact surface be provided with the waveform that is mutually twisted or jagged teeth (7) occlusion compresses the casing play (3).
4. a kind of axial buckle press joint according to claim 1, it is characterised in that:It is the flexible pipe body inner glue layer (2), outer Glue-line (4) is quality of rubber materials, and the casing play (3) is made using impregnation aromatic polyamide cord, flexible pipe body (10) the Jing sulfurations one It is body formed;The outer press ring (5), inner pressure ring (6) contact surface gluing.
5. a kind of axial buckle press joint according to claim 1, it is characterised in that:The turnover of turning up of the inner pressure ring (6) Angle is arc transition, described outer press ring (5) to should circular arc arc transition is set.
CN201621082787.1U 2016-09-26 2016-09-26 A kind of axial buckle press joint Expired - Fee Related CN206072605U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621082787.1U CN206072605U (en) 2016-09-26 2016-09-26 A kind of axial buckle press joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621082787.1U CN206072605U (en) 2016-09-26 2016-09-26 A kind of axial buckle press joint

Publications (1)

Publication Number Publication Date
CN206072605U true CN206072605U (en) 2017-04-05

Family

ID=58440817

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621082787.1U Expired - Fee Related CN206072605U (en) 2016-09-26 2016-09-26 A kind of axial buckle press joint

Country Status (1)

Country Link
CN (1) CN206072605U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106402545A (en) * 2016-09-26 2017-02-15 北京燕拓减振科技有限公司 Axial buckling and pressing connector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106402545A (en) * 2016-09-26 2017-02-15 北京燕拓减振科技有限公司 Axial buckling and pressing connector
CN106402545B (en) * 2016-09-26 2018-06-19 中国人民解放军海军工程大学 A kind of axial direction buckle press joint

Similar Documents

Publication Publication Date Title
CN106337983B (en) A kind of big displacement compensation flange resistance to plucking uncoupling head arc-shaped flexible living is taken over
CN206072604U (en) A kind of flange self-locking joint heavy caliber Low rigidity balance flexible connection pipe living
CN102434742B (en) Pipe connector for quick connection
CN106402545B (en) A kind of axial direction buckle press joint
CN106287061B (en) A kind of flange self-locking joint heavy caliber Low rigidity balance flexible connection pipe living
CN206072605U (en) A kind of axial buckle press joint
CN201335221Y (en) Socket-joint pipe connection component provided with wedge-shaped fastening pipe sleeve
CN202561326U (en) Self-locking high-pressure hose assembly
CN101576189B (en) Universal connecting pipe fitting
CN202469311U (en) High-pressure rubber pipe assembly
CN210950333U (en) Glue injection joint fitting for flexible composite pipeline
CN202274208U (en) High-pressure flexible rubber hose assembly
CN103398241B (en) A kind of high-pressure flexible rubber hose and connector connecting method thereof
CN117006335A (en) Detachable high-pressure hose's connection structure
CN209925793U (en) Pipeline quick connector
CN206145320U (en) Flexible takeover of big displacement compensation flange resistance to plucking uncoupling head arc alive
US11333280B2 (en) Joining metal fittings to a polymer composite pipe
CN208535347U (en) A kind of high pressure resistant reinforced thermoplastics multiple tube
CN208871202U (en) A kind of ready-package inner liner stainless steel composite pipe connector
CN209781907U (en) Non-bonding flexible pipe for deep water and connecting joint thereof
CN207280705U (en) A kind of pressure testing device of flanged joint steel-plastics composite pipe pipeline
CN211083242U (en) Socket pressing type elbow with flange
CN208687233U (en) A kind of liner pipe fitting
CN104455871B (en) A kind of three-limb tube part
CN208331497U (en) A kind of anti-corrosion high voltage-resistant multiunit tube joint

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Zhang Jianjun

Inventor after: Zhou Wei

Inventor after: Ma Fangfang

Inventor after: Zhao Wenbo

Inventor after: Yao Yuanpeng

Inventor after: Lv Jiangong

Inventor before: Zhang Jianjun

Inventor before: Ma Fangfang

Inventor before: Zhao Wenbo

Inventor before: Yao Yuanpeng

Inventor before: Lv Jiangong

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20180208

Address after: 430032 Hubei province in Qiaokou District of Wuhan City Jiefang Road No. 717

Co-patentee after: Beijing Ming Airlines technology research institute LLC

Patentee after: NAVAL University OF ENGINEERING

Address before: 102218, Beijing Daxing District economic and Technological Development Zone, Yizhuang East Road, No. 32, No. 2, a layer of the sea

Co-patentee before: Zhang Jianjun

Patentee before: BEIJING YANTUO VIBRATION ATTENUATION SCIENCE & TECHNOLOGY Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170405

Termination date: 20210926