CN205978876U - Hoop formula piping connection structure rivets - Google Patents
Hoop formula piping connection structure rivets Download PDFInfo
- Publication number
- CN205978876U CN205978876U CN201620798220.8U CN201620798220U CN205978876U CN 205978876 U CN205978876 U CN 205978876U CN 201620798220 U CN201620798220 U CN 201620798220U CN 205978876 U CN205978876 U CN 205978876U
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- China
- Prior art keywords
- riveting
- hoop formula
- nut
- neck
- groove
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Abstract
The utility model relates to a hoop formula piping connection structure rivets, connect the body (2) including riveting the hoop formula, riveting the hoop formula and connecting axially extending bore (21) that the body (2) center was equipped with connecting pipings (3), nut (1) screw cup joints it connects on the body (2) to rivet the hoop formula, nut (1) is equipped with and rivets groove (13), rivet groove (13) for being close to the loop configuration groove of nut (1) inner circle, it connects the body (2) and connects body and be stair structure riveting on locating it neck (24) including riveting the hoop formula to rivet the hoop formula, it stretches out and is used for corresponding the riveting and is in along with tightening to do to rivet neck (24) rivet in groove (13). This invention is through nut (1) and rivet the hoop formula to connect the cooperation riveting of the body (2) spacing, realizes locking joint, its simple structure, and the handling ease preparation, with low costs, the connection is stabilized lockingly effectual, has better application prospect.
Description
Technical field
This utility model belongs to MACHINERY JOINT field, more particularly, it relates to a kind of riveting hoop formula pipe connecting structure.
Background technology
Pipe joint is extensively applied in industrial and agricultural production process, engineering construction, device fabrication, national defence scientific research equipment etc., especially
It is the pipeline connection in hydraulic system, atmospheric control, fluid delivery system, pipe joint will be used.But with development,
In the crucial junction in some sophisticated equipment fields, more and more higher is required to reliability sealing connecting etc., existing pipe connects knot
Structure easily occurs loosening phenomenon during life-time service, stability and sealing that impact pipe connects, these traditional pipe joints
High-end technology equipment can not be met the more high-tech of sealing property, efficiently connection is required.
Utility model content
The purpose of this utility model is to solve the problems, such as prior art, provides a kind of installation to connect efficient and convenient, just
In 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 this utility model is taken is：This riveting hoop formula pipe arrangement being provided is even
Access node structure, including riveting hoop formula fittings body, described riveting hoop formula fittings body center is provided with the axially extending bore of connecting pipings, nut thread set
It is connected on described riveting hoop formula fittings body, described nut is provided with riveting groove, described riveting groove is the loop configuration near described nut inner ring
Groove, described riveting hoop formula fittings body includes riveting hoop formula fittings body body and the riveting neck being provided thereon in ledge structure, and described riveting neck is stretched
Go out and be riveted in described riveting groove with correspondence with the effect of tightening.
For making technique scheme more detailed and concrete, this utility model also provides optimization technique further below
Scheme, to obtain satisfied practical function：
It is threaded connection a section transition between described riveting hoop formula fittings body body and riveting neck to be connected, described threaded section
Outer wall is provided with screw thread, and described nut is provided with and the described internal thread hole that section is connected of threadeding.
Described riveting groove outside wall surface is to grip towards the raised riveting of described nut central axis direction.
Described riveting groove internal face is extended internally by opening and is directed away from central axis direction inclination, described internal face and nut
The through-hole wall of upper end constitutes a riveting angle with certain angle of inclination, and the middle part of described nut is with described skew wall face as outside
The cone wedge pipe that wall is formed；It is provided with cutting edge in the end of described wedge pipe.
Described riveting angle is 15 ° -30 °.
Described riveting neck inwall and described cone wedge pipe outer wall face tilt towards identical, and described riveting neck outer wall is slope arcwall
Face, on described nut screw connection grafting direction, between the inwall of described riveting neck and outer wall, thickness tapers 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 groove that angle of inclination is more than described riveting angle angle.
The inwall that described nut is fitted with pipe arrangement is provided with inner wedge slot.
Axially extending bore on described riveting hoop formula fittings body is stepped hole, has the spacing chuck limiting described pipe arrangement position.
This utility model compared with prior art, has advantages below：This riveting hoop formula pipe connecting structure, by nut
And riveting hoop formula fittings body cooperation riveting limiting locking pipe arrangement, realize pipe arrangement dense block be close to connect and prevent nut loosening take off
Fall, its structure is simple, is easy to processing and fabricating, low cost, stable connection anti-loosing effect is good, has preferable application prospect.
Brief description
Below the labelling of the content expressed by the accompanying drawing of this specification and in figure is briefly described：
Fig. 1 is this utility model pipe connecting structure；
Fig. 2 is riveting hoop formula fittings body structural representation；
Fig. 3 is Fig. 2A-A sectional view；
Fig. 4 is nut structure schematic diagram；
Fig. 5 is Fig. 4 B-B structure sectional view；
Fig. 6 is riveting hoop formula fittings body riveting neck cooperation deformation pre-structure schematic diagram；
Fig. 7 is that riveting hoop formula fittings body riveting neck coordinates distressed structure schematic diagram.
In figure is labeled as：1st, nut；11st, through hole；12nd, screwed hole；13rd, riveting groove；14th, play riveting angle；15th, riveting is gripped；16th, interior wedge
Groove；17th, first angle of wedge；18th, second angle of wedge；2nd, riveting hoop formula fittings body；21st, axially extending bore；22nd, spacing chuck；23rd, threaded
Section；24th, riveting neck；25th, slope angle；26th, M shape wedge groove；3rd, pipe arrangement.
Specific embodiment
Below against accompanying drawing, by the description to embodiment, specific embodiment of the present utility model is made detailed further
Thin explanation.
This utility model riveting hoop formula pipe connecting structure, as shown in figure 1, include riveting hoop formula fittings body 2, riveting hoop formula fittings body
2 centers are provided with the axially extending bore 21 of connecting pipings 3, and the axially extending bore 21 on riveting hoop formula fittings body 2 is stepped hole, has restriction and joins
The spacing chuck 22 of pipe 3 position.Nut 1 screw thread is socketed on riveting hoop formula fittings body 2, and nut 1 is provided with riveting groove 13, riveting groove 13 be by
The ring junction flute of nearly nut 1 inner ring, riveting hoop formula fittings body 2 includes riveting hoop formula fittings body body and is provided thereon in ledge structure
Riveting neck 24, riveting neck 24 stretch out with tighten act on correspondence be riveted in riveting groove 13.Tighten active force by mutual so that riveting
Neck 24 is mutually riveted with riveting groove 13, prevents nut loosening, to realize reliable and stable connection.
In the present invention, it is threaded connection section 23 transition between riveting hoop formula fittings body body and riveting neck 24 and is connected, screw thread is even
Connect section 23 outer wall and be provided with screw thread, nut 1 is provided with and sections 23 is connected internal thread hole 12 with threadeding.Shown in Fig. 2,3, nut
1 epimere is provided with the through hole 11 of pipe arrangement 3 cooperation socket, and hypomere is and threadeds the screwed holes 12 of sections 23 cooperation sockets, installs
During connection, pipe arrangement 3 is placed in the axially extending bore 21 of riveting hoop formula fittings body 2, supports the lower end of pipe arrangement 3 by spacing chuck 22
Carry out spacing, nut 1 is passed through pipe arrangement 3, lower end is connected with riveting hoop formula fittings body 3, riveting neck 24 corresponds to riveting groove 13, screw thread is even
Connect section 23 screwed tight to connect, in rundown process, riveting neck 24 and riveting groove 13 act on mutual riveting.Wherein riveting neck 24 contour structures
It is adapted cooperation with riveting groove 13 interior spatial structure.
For preferably being riveted effect, in the present invention, riveting groove 13 outside wall surface is raised towards nut 1 central axis direction
Riveting grips 15.In installation process, riveting neck 24 progresses in riveting groove 13 during turning, when the outer wall at the wider place of riveting neck 24
When face is gripped 15 with riveting and contacted, raised riveting is gripped 15 and it is produced with an inside extruding force so that riveting neck 24 produce certain
Deformation, riveting neck 24 upper end off-center direction of principal axis tilts, and riveting effect now produces, to realize riveting hoop formula fittings body 2 and spiral shell
Female 1 riveting, prevents nut 1 from loosening；Act simultaneously on riveting neck 24 extruding force transmission be applied on wedge pipe, can make wedge pipe with
The effect that fits tightly between pipe arrangement 3 is it is ensured that the connection stable with pipe arrangement 3 and sealing.Make riveting strength 24 by being provided with M shape wedge groove 26
More yielding herein, stress deformation makes riveting neck 24 upper end off-center direction of principal axis tilt, and now reaches larger riveting effect.
It is preferred that inner wedge slot 16 is provided with the inwall that nut 1 is fitted with pipe arrangement 3, as shown in Figure 3 in the present invention.Ginseng
According to accompanying drawing 6,7, it is rivet deformation schematic diagram, during radial compression power, nut 1 inner side wedge inside pipe wall stress is towards pipe arrangement
3 deformation, first angle of wedge 17 at inner wedge slot 16 two ends and second angle of wedge 18 snap in the wall of pipe arrangement 3, to obtain limiting pipe arrangement 3 axially
Move and better seal effect.The depth of inner wedge slot 16 to be controlled when reality processing uses, it is to avoid the excessive card of the angle of wedge
It is connected in pipe arrangement 3, the normal use of impact 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 extended internally direction by opening
Tilt away from central axis direction, internal face constitutes a riveting angle with certain angle of inclination with through hole 11 inwall of nut 1 upper end
14, the middle part of nut 1 is the cone wedge pipe being formed for lateral wall with skew wall face.Preferably, the end of wedge pipe is provided with cutting edge, cutting edge
Locate as weak intensity, the deformation of this wedge pipe weak intensity cutting edge can be made after connection to tighten pipe arrangement 3, produce preferably close and pipe arrangement 3 between
Envelope effect.Preferably, play riveting angle 14 and be 15 ° -30 °, produce riveting effect when having just enter in riveting neck 24, to obtain effective riveting
Connect.
As shown in Figure 4,5, riveting neck 24 inwall is tilted towards identical with cone wedge pipe outer wall face, in order to riveting neck 24 along this
One direction is stretched in riveting groove 13.Riveting neck 24 outer wall is curved wall, and the position that arc-shaped bend radian grips 15 to riveting is related, can be by arc
Shape depression points are located at grips at 15 points of contact interactions in riveting.In the inwall with riveting neck 24 on nut 1 cooperation grafting direction with outward
Between wall, 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 wear
Cross riveting and grip at 15, this process screwing force is less；Riveting neck 24 width becomes larger, and when experiencing the obvious change of screwing force and being big, riveting is gripped
15 are in that riveting neck 24 is inconsistent, produce larger inside radial compression power to the M shape wedge groove 26 on riveting neck 24, riveting neck 24 stress adds
Fast deformation, outward-dipping bending, certain riveting groove 13 is the space accommodating riveting neck 24 deformation, continues to tighten up to riveting neck 24 and riveting groove
13 are riveted to riveting groove 13 bottom completely.On material selects, nut 1 and the preferable material of riveting hoop formula fittings body 2 toughness to be selected
Make, so that being easily deformed generation riveting hoop effect.
It is preferred that riveting neck 24 upper end is provided with the groove that angle of inclination has been more than riveting angle 14 angle in the present invention, in order to
Tighten protection riveting pipe cutting edge incision riveting neck 24 during installation, play certain guiding function.
Ring-type M shape wedge groove 26 is provided with the inwall of riveting neck 24, weakens the mechanical strength of script at this M shape wedge groove 26, be
Relatively weak hot spot, is also easy to produce deformation, is easy to rapid deformation and plays riveting to ceiling effect.M shape wedge groove 26 forms convex on inwall
The wedge point going out, when riveting neck 24 is gripped 15 active force by riveting, the yielding guiding of stress at M shape wedge groove 26 controls the bending of riveting neck 24
Deformation direction, at this, wedge point deformation projection acts on wedge pipe simultaneously, and wedge pipe stress deforms towards pipe arrangement 3, in order to inner wedge slot
First angle of wedge 17 at 16 two ends and second angle of wedge 18 snap in the wall of pipe arrangement 3, to obtain limiting pipe arrangement 3 axial movement and preferably
Sealing effectiveness.
In the present invention, first nut 1 and riveting hoop fittings body 2 are combined a little by screw thread during installation, then pipe arrangement 3 is passed through
Nut through hole 11 is inserted into riveting hoop fittings body 2, and sensation is twisted after confirming pipe arrangement port and the conflict of riveting hoop fittings body chuck more by rule of thumb
Tightly, under the axial force producing in screwing force and rotating force, the riveting neck 24 radial force extruding wedge of riveting hoop fittings body 2
The deformation of pipe cutting edge is tightened so as to be fitted tightly with pipe arrangement 3, and riveting neck 24 deforms in riveting groove 13 simultaneously, produces " riveting " effect,
Nut 1 and riveting hoop fittings body 2 axial location riveting are fixed, radial direction banding pipe arrangement 3 prevents nut 1 from loosening, and have reached pipe arrangement solid and reliable
Connect and prevent nut 1 loosen purpose, during concrete operations workmen can also according to circumstances 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, realizes
Locking connects, and its structure is simple, is easy to processing and fabricating, low cost, stable connection anti-loosing effect is good, can be used for pipe joint form,
The connectors such as valve joint portion make, and have preferable application prospect.
Above in conjunction with accompanying drawing, this utility model is exemplarily described, but this utility model be not limited to above-mentioned
Mode, as long as the improvement of the various unsubstantialities being carried out using method of the present utility model design and technical scheme or direct application
In other occasions, all fall within protection domain of the present utility model.
Claims (10)
1. a kind of riveting hoop formula pipe connecting structure it is characterised in that：Including 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), and nut (1) screw thread is socketed on described riveting hoop formula fittings body (2),
Described nut (1) is provided with riveting groove (13), and described riveting groove (13) is the ring junction flute near described nut (1) inner ring, described riveting
Hoop formula fittings body (2) includes riveting hoop formula fittings body body and the riveting neck (24) being 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 hoop formula fittings body body with
It is threaded connection section (23) transition between riveting neck (24) to connect, described threaded section of (23) outer wall is provided with screw thread, described spiral shell
Female (1) is provided with and is connected internal thread hole (12) with described threaded section (23).
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 court
Grip (15) to the raised riveting of described nut (1) central axis direction.
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 is by opening
Mouth end extends internally and is directed away from central axis direction, and described internal face is constituted with through hole (11) inwall of nut (1) upper end
Have certain angle of inclination plays riveting angle (14), and the middle part of described nut (1) is the cone wedge being formed for lateral wall with skew wall face
Pipe；It is provided with cutting edge in the end of described wedge pipe.
5. according to the riveting hoop formula pipe connecting structure described in claim 4 it is characterised in that：Described riveting angle (14) be 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 with described
Cone wedge pipe outer wall face tilts towards identical, and described riveting neck (24) outer wall is slope curved wall, with described nut (1) cooperation
On grafting direction, between the inwall of described riveting neck (24) and outer wall, thickness tapers into.
7. according to the riveting hoop formula pipe connecting structure described in claim 6 it is characterised in that：Set on the inwall of described riveting neck (24)
There is 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 inclines
Rake angle is more than the groove of described riveting angle (14) angle.
9. according to the riveting hoop formula pipe connecting structure described in any one of claim 1 to 8 it is characterised in that：In described nut (1)
The inwall fitted with pipe arrangement (3) 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：On described riveting hoop formula fittings body (2)
Axially extending bore (21) be stepped hole, have limit described pipe arrangement (3) position spacing chuck (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620798220.8U CN205978876U (en) | 2016-07-27 | 2016-07-27 | Hoop formula piping connection structure rivets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620798220.8U CN205978876U (en) | 2016-07-27 | 2016-07-27 | Hoop formula piping connection structure rivets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205978876U true CN205978876U (en) | 2017-02-22 |
Family
ID=58026704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620798220.8U Expired - Fee Related CN205978876U (en) | 2016-07-27 | 2016-07-27 | Hoop formula piping connection structure rivets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205978876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972345A (en) * | 2016-07-27 | 2016-09-28 | 高保华 | Riveting hoop type pipe connection structure |
-
2016
- 2016-07-27 CN CN201620798220.8U patent/CN205978876U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972345A (en) * | 2016-07-27 | 2016-09-28 | 高保华 | Riveting hoop type pipe connection structure |
| CN105972345B (en) * | 2016-07-27 | 2018-07-03 | 高保华 | Riveting hoop formula pipe connecting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20170222 Termination date: 20180727 |