CN105972345A - Riveting hoop type pipe connection structure - Google Patents

Riveting hoop type pipe connection structure Download PDF

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Publication number
CN105972345A
CN105972345A CN201610600253.1A CN201610600253A CN105972345A CN 105972345 A CN105972345 A CN 105972345A CN 201610600253 A CN201610600253 A CN 201610600253A CN 105972345 A CN105972345 A CN 105972345A
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CN
China
Prior art keywords
riveting
nut
hoop formula
neck
groove
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Granted
Application number
CN201610600253.1A
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Chinese (zh)
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CN105972345B (en
Inventor
高翔
高保华
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Individual
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Individual
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Priority to CN201610600253.1A priority Critical patent/CN105972345B/en
Publication of CN105972345A publication Critical patent/CN105972345A/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
    • F16L13/00Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
    • F16L13/14Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The invention provides a riveting hoop type pipe connection structure which comprises a riveting hoop type joint body (2), the center of the riveting hoop type joint body (2) is provided with an axial through hole (21) for connecting a pipe (3), a nut (1) is connected to the riveting hoop type joint body (2) in a threaded and sleeved mode, the nut (1) is provided with a riveting groove (13), the riveting groove (13) is an annular groove close to an inner ring of the nut (1), the riveting hoop type joint body (2) comprises a riveting hoop type joint body main body and a riveting neck (24) which is of a step structure and arranged on the riveting hoop type joint body main body, and the riveting neck (24) stretches out and is correspondingly riveted into the riveting groove (13) under the screwing action. Locking connection is achieved through matched riveting and limiting of the nut (1) and the riveting hoop type joint body (2), and the riveting hoop type pipe connection structure is simple in structure, convenient to machine and manufacture, low in cost, stable in connection and good in anti-loosing effect and has good application prospect.

Description

Riveting hoop formula pipe connecting structure
Technical field
The invention belongs to MACHINERY JOINT field, more particularly, it relates to a kind of riveting hoop formula pipe arrangement connects Structure.
Background technology
Pipe joint is extensive at industrial and agricultural production process, engineering construction, device fabrication, national defence scientific research equipment etc. Application, the particularly pipeline in hydraulic system, atmospheric control, fluid delivery system connect, all Pipe joint to be used.But along with development, can to connect in the crucial junction in some sophisticated equipment fields Requiring more and more higher by property sealing etc., existing pipe connecting structure easily occurs loosening during life-time service Phenomenon, affects stability and sealing that pipe connects, and these traditional pipe joints can not meet high-end skill Art equipment is to sealing property, the more high-tech requirement of efficiently connection.
Summary of the invention
Present invention aim to address the problem that prior art exists, it is provided that a kind of installation connects quick side Just, it is simple to processing and fabricating, anti-loosing effect is good, has the pipe connecting structure of preferable connective stability.
To achieve these goals, the technical scheme that the present invention takes by: this riveting hoop formula provided is joined Pipe connecting structure, including riveting hoop formula fittings body, described riveting hoop formula fittings body center is provided with the axle of connecting pipings To through hole, nut thread is socketed on described riveting hoop formula fittings body, and described nut is provided with riveting groove, described riveting Groove is the ring junction flute near described nut inner ring, and described riveting hoop formula fittings body includes riveting hoop formula fittings body Body and the riveting neck being provided thereon in ledge structure, described riveting neck stretches out and is riveted on correspondence with the effect of tightening In described riveting groove.
For making technique scheme more detailed and concrete, it is preferred that the present invention also provides for further below Technical scheme, to obtain satisfied practical function:
Between described riveting hoop formula fittings body body and riveting neck, the section of being threaded connection transition is connected, described screw thread Linkage section outer wall is provided with screw thread, and described nut is provided with the internal thread hole that is connected with the described section of threadeding.
Described riveting groove outside wall surface is to grip towards the riveting that described nut central axis direction is protruding.
Described riveting groove internal face is extended internally by opening and is directed away from central axis direction, described inwall The through-hole wall of face and nut upper end constitutes a riveting angle with certain angle of inclination, the middle part of described nut For the cone wedge pipe formed for lateral wall with described skew wall face;It is provided with cutting edge in the end of described wedge pipe.
Described riveting angle is 15 °-30 °.
Described riveting neck inwall tilts towards identical with described cone wedge pipe outside wall surface, and described riveting neck outer wall is oblique Slope curved wall, thickness between inwall and the outer wall of described riveting neck on described nut screw connection grafting direction Taper into.
The inwall of described riveting neck is provided with ring-type M shape wedge groove.
Described riveting neck upper end is provided with the angle of inclination groove more than described riveting angle angle.
It is provided with inner wedge slot on the inwall of pipe arrangement laminating at described nut.
Axially extending bore on described riveting hoop formula fittings body is stepped hole, has the limit limiting described pipe arrangement position Position chuck.
The present invention compared with prior art, has the advantage that this riveting hoop formula pipe connecting structure, logical Cross the cooperation riveting limiting locking pipe arrangement of nut and riveting hoop formula fittings body, it is achieved the dense block of pipe arrangement is close to connect With prevent nut loosening from coming off, its simple in construction, it is simple to processing and fabricating, low cost, stable connection is locking Effective, there is preferable application prospect.
Accompanying drawing explanation
Below the content expressed by the accompanying drawing of this specification and the labelling in figure are briefly described:
Fig. 1 is pipe connecting structure of the present invention;
Fig. 2 is riveting hoop formula fittings body structural representation;
Fig. 3 is Fig. 2 A-A sectional view;
Fig. 4 is nut structure schematic diagram;
Fig. 5 is Fig. 4 B-B structure sectional view;
Fig. 6 is that riveting hoop formula fittings body riveting neck coordinates deformation pre-structure schematic diagram;
Fig. 7 is that riveting hoop formula fittings body riveting neck coordinates distressed structure schematic diagram.
Figure is labeled as: 1, nut;11, through hole;12, screwed hole;13, riveting groove;14, riveting is played Angle;15, riveting is gripped;16, inner wedge slot;17, first angle of wedge;18, second angle of wedge;2, riveting hoop formula connects Head body;21, axially extending bore;22, spacing chuck;23, threaded section;24, riveting neck;25, slope Angle;26, M shape wedge groove;3, pipe arrangement.
Detailed description of the invention
Below against accompanying drawing, by the description to embodiment, the detailed description of the invention of the present invention is made into one Step detailed description.
Riveting hoop formula pipe connecting structure of the present invention, as it is shown in figure 1, include riveting hoop formula fittings body 2, riveting hoop Formula fittings body 2 center is provided with the axially extending bore 21 of connecting pipings 3, axially leading on riveting hoop formula fittings body 2 Hole 21 is stepped hole, has the spacing chuck 22 limiting pipe arrangement 3 position.Nut 1 thread bush is connected on riveting On hoop formula fittings body 2, nut 1 is provided with riveting groove 13, and riveting groove 13 is the ring junction near nut 1 inner ring Flute, riveting hoop formula fittings body 2 includes riveting hoop formula fittings body body and the riveting neck being provided thereon in ledge structure 24, riveting neck 24 stretches out and is riveted in riveting groove 13 with correspondence with the effect of tightening.Effect is tightened by mutual Power so that riveting neck 24 mutually rivets with riveting groove 13, prevents nut loosening, to realize reliable and stable company Connect.
In the present invention, between riveting hoop formula fittings body body and riveting neck 24, the section of being threaded connection 23 transition is even Connecing, threaded section of 23 outer walls are provided with screw thread, in nut 1 section of being provided with and threaded 23 is connected Screwed hole 12.By Fig. 2, shown in 3, nut 1 epimere is provided with the through hole 11 coordinating socket in pipe arrangement 3, Hypomere is the screwed hole 12 coordinating socket with threaded section 23, when installing connection, is placed in by pipe arrangement 3 In the axially extending bore 21 of riveting hoop formula fittings body 2, the lower end being supported pipe arrangement 3 by spacing chuck 22 is carried out Spacing, by nut 1 through pipe arrangement 3, lower end is connected with riveting hoop formula fittings body 3, and riveting neck 24 is corresponding Riveting groove 13, threaded section of 23 screwed tight connect, in rundown process, riveting neck 24 and riveting groove 13 Effect mutually riveting.Wherein riveting neck 24 contour structures adapts with riveting groove 13 interior spatial structure and coordinates.
For preferably being riveted effect, in the present invention, riveting groove 13 outside wall surface is towards nut 1 center The riveting of direction of principal axis projection grips 15.In installation process, riveting neck 24 progresses into riveting during turning In groove 13, when the outside wall surface at the wider place of riveting neck 24 grip with riveting 15 contact time, protruding riveting grips 15 to it Producing an inside extruding force, so that riveting neck 24 produces certain deformation, riveting neck 24 upper end is deviateed Central axis direction tilts, and riveting effect now produces, to realize riveting hoop formula fittings body 2 and nut 1 riveting Connect, prevent nut 1 from loosening;Act simultaneously on the transmission of the extruding force on riveting neck 24 to be applied on wedge pipe, Can make to fit tightly effect between wedge pipe and pipe arrangement 3, it is ensured that the connection stable with pipe arrangement 3 and sealing. Making riveting strength 24 the most yielding by being provided with M shape wedge groove 26, stress deformation makes on riveting neck 24 End off-center direction of principal axis tilts, and now reaches bigger riveting effect.
In the present invention, it is preferred that be provided with inner wedge slot 16 at nut 1 on the inwall of pipe arrangement 3 laminating, as Shown in Fig. 3.Referring to the drawings 6,7, for rivet deformation schematic diagram, during radial compression power, Inside nut 1, wedge inside pipe wall stress deforms towards pipe arrangement 3, first angle of wedge 17 at inner wedge slot 16 two ends and Second angle of wedge 18 snaps in the wall of pipe arrangement 3, with obtain limit pipe arrangement 3 move axially and better seal Effect.The degree of depth of inner wedge slot 16 to be controlled well when reality processing uses, it is to avoid the clamping that the angle of wedge is too much In pipe arrangement 3, affect the normal use of pipe arrangement 3.
Riveting hoop formula pipe connecting structure of the present invention, as shown in Figure 2,3, riveting groove 13 internal face is by opening Extend internally and be directed away from central axis direction, internal face and the through hole 11 inwall structure of nut 1 upper end Become to have certain angle of inclination plays riveting angle 14, and the middle part of nut 1 is to be formed with skew wall face for lateral wall Cone wedge pipe.Preferably, the end of wedge pipe is provided with cutting edge, is weak intensity, can make after connection at cutting edge The deformation of this wedge pipe weak intensity cutting edge tightens and produces preferable sealing effectiveness between pipe arrangement 3, and pipe arrangement 3.Excellent Choosing, playing riveting angle 14 is 15 °-30 °, has produced riveting effect when having just enter at riveting neck 24, with To effective riveting.
As shown in Figure 4,5, riveting neck 24 inwall tilts towards identical with cone wedge pipe outside wall surface, in order to Riveting neck 24 stretches in riveting groove 13 along this direction.Riveting neck 24 outer wall is curved wall, arc-shaped bend The position that radian grips 15 to riveting is relevant, can be located at by arc-shaped recess point and grip 15 point cantact interactions in riveting Place.Between inwall and the outer wall coordinating riveting neck 24 on grafting direction with nut 1, thickness tapers into. During installation, the leading portion of riveting neck 24 grips the width at 15 less than riveting, can smoothly enter riveting groove 13 and pass Riveting is gripped at 15, and this process screwing force is less;Riveting neck 24 width becomes larger, bright when experiencing screwing force Aobvious when becoming big, riveting grips 15, and to be in riveting neck 24 inconsistent, produces the M shape wedge groove 26 on riveting neck 24 relatively The most inside radial compression power, riveting neck 24 stress accelerates deformation, outward-dipping bending, certain riveting groove 13 It is the space accommodating riveting neck 24 deformation, continues to tighten until riveting neck 24 and riveting groove 13 are riveted to riveting completely Bottom groove 13.On material selects, nut 1 and the riveting hoop formula fittings body 2 preferable material of toughness to be selected Material makes, so that being easily deformed generation riveting hoop effect.
In the present invention, it is preferred that riveting neck 24 upper end is provided with angle of inclination and has been more than the slope of riveting angle 14 angle Mouth 23, in order to protect riveting pipe cutting edge incision riveting neck 24 when tightening installation, play certain guiding function.
The inwall of riveting neck 24 is provided with ring-type M shape wedge groove 26, weakens at this M shape wedge groove 26 originally Mechanical strength, for relatively weak hot spot, is easily generated deformation, it is simple to rapid deformation plays riveting to ceiling effect. M shape wedge groove 26 forms the wedge point of protrusion on inwall, when riveting neck 24 is gripped the active force of 15 by riveting, and M The yielding bending deformation direction controlling riveting neck 24 that guides of stress at shape wedge groove 26, at this, wedge point becomes simultaneously Shape projection acts on wedge pipe, and wedge pipe stress deforms towards pipe arrangement 3, in order to inner wedge slot 16 two ends First angle of wedge 17 and second angle of wedge 18 snap in the wall of pipe arrangement 3, with obtain limit pipe arrangement 3 move axially With better seal effect.
In the present invention, first nut 1 and riveting hoop fittings body 2 are combined, then a little by screw thread during installation Pipe arrangement 3 is inserted into riveting hoop fittings body 2 by nut through hole 11, by rule of thumb sensation confirm pipe arrangement port and Riveting hoop fittings body chuck is tightened after conflicting again, the axial force produced when screwing force and rotating force Under, the riveting neck 24 radial force extruding wedge pipe cutting edge deformation of riveting hoop fittings body 2 tightens so that it is with pipe arrangement 3 Fit tightly, in riveting neck 24 deforms into riveting groove 13, produce " riveting " effect, nut 1 He simultaneously Riveting hoop fittings body 2 axial location riveting is fixed, radially banding pipe arrangement 3 prevent nut 1 from loosening, reached pipe arrangement Solid and reliable connection and prevent the purpose that nut 1 loosens, during concrete operations, workmen can also be according to feelings Condition adjustment assembly order.
Riveting hoop formula pipe connecting structure of the present invention, is riveted by the cooperation of nut 1 and riveting hoop formula fittings body 2 Spacing, it is achieved locking connects, and its simple in construction, it is simple to processing and fabricating, low cost, stable connection is locking Effective, can be used for the connector such as pipe joint form, valve joint portion and make, before there is preferably application Scape.
Above in conjunction with accompanying drawing, the present invention is exemplarily described, but the present invention is not limited to above-mentioned Mode, if use the improvement of various unsubstantialities that the method design of the present invention and technical scheme carry out or Directly apply to other occasion, all fall within protection scope of the present invention.

Claims (10)

1. riveting hoop formula pipe connecting structure, it is characterised in that: include riveting hoop formula fittings body (2), described Riveting hoop formula fittings body (2) center is provided with the axially extending bore (21) of connecting pipings (3), nut (1) spiral shell Stricture of vagina is socketed on described riveting hoop formula fittings body (2), and described nut (1) is provided with riveting groove (13), described Riveting groove (13) is the ring junction flute near described nut (1) inner ring, described riveting hoop formula fittings body (2) Including riveting hoop formula fittings body body and the riveting neck (24) that is provided thereon in ledge structure, described riveting neck (24) Stretch out and be riveted in described riveting groove (13) with correspondence with the effect of tightening.
2. according to the riveting hoop formula pipe connecting structure described in claim 1, it is characterised in that: described riveting Between hoop formula fittings body body and riveting neck (24), the section of being threaded connection (23) transition is connected, described spiral shell Stricture of vagina linkage section (23) outer wall is provided with screw thread, and described nut (1) is provided with and the described section of threadeding (23) Be connected internal thread hole (12).
3. according to the riveting hoop formula pipe connecting structure described in claim 2, it is characterised in that: described riveting Groove (13) outside wall surface is to grip (15) towards the riveting that described nut (1) central axis direction is protruding.
4. according to the riveting hoop formula pipe connecting structure described in claim 3, it is characterised in that: described riveting Groove (13) internal face extended internally by opening be directed away from central axis direction tilt, described internal face with Through hole (11) inwall of nut (1) upper end constitutes a riveting angle (14) with certain angle of inclination, institute The middle part stating nut (1) is the cone wedge pipe formed for lateral wall with described skew wall face;At described wedge pipe End be provided with cutting edge.
5. according to the riveting hoop formula pipe connecting structure described in claim 4, it is characterised in that: described Riveting angle (14) is 15 °-30 °.
6. according to the riveting hoop formula pipe connecting structure described in claim 5, it is characterised in that: described riveting Neck (24) inwall tilts towards identical with described cone wedge pipe outside wall surface, and described riveting neck (24) outer wall is Slope curved wall, is coordinating the inwall of described riveting neck (24) on grafting direction with described nut (1) And thickness tapers between outer wall.
7. according to the riveting hoop formula pipe connecting structure described in claim 6, it is characterised in that: described riveting The inwall of neck (24) is provided with ring-type M shape wedge groove (26).
8. according to the riveting hoop formula pipe connecting structure described in claim 7, it is characterised in that: described riveting Neck (24) upper end is provided with the angle of inclination groove (23) more than described riveting angle (14) angle.
9., according to the riveting hoop formula pipe connecting structure described in any one of claim 1 to 8, its feature exists In: on the inwall that described nut (1) and pipe arrangement (3) are fitted, it is provided with inner wedge slot (16).
10. according to the riveting hoop formula pipe connecting structure described in claim 9, it is characterised in that: described riveting Axially extending bore (21) on hoop formula fittings body (2) is stepped hole, has restriction described pipe arrangement (3) position The spacing chuck (22) put.
CN201610600253.1A 2016-07-27 2016-07-27 Riveting hoop formula pipe connecting structure Expired - Fee Related CN105972345B (en)

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Application Number Priority Date Filing Date Title
CN201610600253.1A CN105972345B (en) 2016-07-27 2016-07-27 Riveting hoop formula pipe connecting structure

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Application Number Priority Date Filing Date Title
CN201610600253.1A CN105972345B (en) 2016-07-27 2016-07-27 Riveting hoop formula pipe connecting structure

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CN105972345B CN105972345B (en) 2018-07-03

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5074155A (en) * 1990-08-29 1991-12-24 Vecere William T Fitting and tube apparatus for gas emission sample container
CN2236591Y (en) * 1995-10-25 1996-10-02 杨再喜 Fast self-locking joint for pressure oil pipe
DE29702223U1 (en) * 1997-02-10 1997-04-03 Fa. Franz Viegener Ii, 57439 Attendorn Clamp connection between two pipes, preferably made of plastic
CN1516793A (en) * 2001-03-30 2004-07-28 �����ˡ���ά�� Pipe joint comprising body and nut
CN202348913U (en) * 2011-10-28 2012-07-25 贵州航天精工制造有限公司 Self-locking type rollover rivet nut
CN203477659U (en) * 2013-09-11 2014-03-12 宁波福士汽车部件有限公司 Engine fuel oil pipeline
CN205978876U (en) * 2016-07-27 2017-02-22 高保华 Hoop formula piping connection structure rivets

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5074155A (en) * 1990-08-29 1991-12-24 Vecere William T Fitting and tube apparatus for gas emission sample container
CN2236591Y (en) * 1995-10-25 1996-10-02 杨再喜 Fast self-locking joint for pressure oil pipe
DE29702223U1 (en) * 1997-02-10 1997-04-03 Fa. Franz Viegener Ii, 57439 Attendorn Clamp connection between two pipes, preferably made of plastic
CN1516793A (en) * 2001-03-30 2004-07-28 �����ˡ���ά�� Pipe joint comprising body and nut
CN202348913U (en) * 2011-10-28 2012-07-25 贵州航天精工制造有限公司 Self-locking type rollover rivet nut
CN203477659U (en) * 2013-09-11 2014-03-12 宁波福士汽车部件有限公司 Engine fuel oil pipeline
CN205978876U (en) * 2016-07-27 2017-02-22 高保华 Hoop formula piping connection structure rivets

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