CN201090856Y - Rigid pipe connecting device - Google Patents
Rigid pipe connecting device Download PDFInfo
- Publication number
- CN201090856Y CN201090856Y CNU2007201279313U CN200720127931U CN201090856Y CN 201090856 Y CN201090856 Y CN 201090856Y CN U2007201279313 U CNU2007201279313 U CN U2007201279313U CN 200720127931 U CN200720127931 U CN 200720127931U CN 201090856 Y CN201090856 Y CN 201090856Y
- Authority
- CN
- China
- Prior art keywords
- rigid pipe
- ring
- loop fasteners
- pressure ring
- angle
- 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
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Abstract
The utility model relates to a connecting piece, in particular to a rigid pipe connecting device which comprises a transition sleeve, an annular fastener, a lateral pressing ring and an elastic ring; the external edge of the transition sleeve is turned outwards; the edge of one side of the lateral pressing ring is turned outwards; the cross section of the annular fastener is U-shaped; the annular fastener buckles the outward turned lateral edges of the transition conduit and the lateral pressing ring; an opening is arranged on one end of the annular fastener which is fixed through a fastening piece; the elastic ring is embedded between the outward turned lateral edges of the transition conduit and the lateral pressing ring; during the fastening process of the fastening piece for the annular fastener, because the diameter of the annular fastener becomes smaller, the outward turned lateral edges of the transition conduit and the lateral pressing ring buckled in the annular fastener are forced to relatively draw close, so that the elastic ring is pressed to generate elastic deformation in the circle center direction and the interference fit is realized with the rigid pipe, realizing the purposes of tight connection and seal.
Description
Technical field
The utility model relates to a kind of link, particularly a kind of rigid pipe connection set.
Background technique
Connection between the existing rigid pipe mainly is welding type, flared type and plug screw formula, adopts the mode that is threaded mostly.Because welding type technological requirement height, the welding process more complicated should not be dismantled again, uses not extensive; The tubing that the plug screw formula just needs to link to each other has internal thread or outside thread, though flared type can change the bore that connects back tubing, but need worm structure equally, like this in the process of pipe fitting production and processing, just need process worm structure endways, make the processing technology relative complex of pipe fitting, and when two adjacent rigid pipes dock, need to install in addition Sealing, guarantee the sealability of pipeline, the process of construction also bothers relatively, and the form of Sealing, performance also exerts an influence to sealing effect, be difficult to guarantee sealing effect stable and balanced of whole pipeline.
The model utility content
The utility model has overcome above-mentioned shortcoming, and a kind of rigid pipe connection set of simple in structure, easy for installation, good sealing effect is provided.
The technical scheme in the invention for solving the technical problem is: a kind of rigid pipe connection set, comprise transition spool piece, loop fasteners, side pressure ring and elastic ring, the edge of described transition spool piece is outwards routed up, one side margin of side pressure ring is also outwards routed up, the cross section of described loop fasteners is a U-shaped, fasten the side margin that side margin that described transition duct turns up and described side pressure ring turn up, one end opening of described loop fasteners, and be connected and fixed by fastening piece, described elastic ring is inlaid between the side margin that side margin that described transition duct turns up and described side pressure ring turn up.
Two opposite side in the U-shaped cross section of described loop fasteners can be parallel to each other or become angle, the angle that the angle of angle is turned up less than described transition duct side margin and described side pressure ring side margin.
Described loop fasteners can comprise two semi-loops, is hinged between two semi-loops.
Can be provided with a fixed connecting piece between two semi-loops of described loop fasteners, described two semi-loops hinged with the relative seamed edge of described fixed connecting piece respectively.
But described fixed connecting piece is ring or rectangle.
Described elastic ring can be the plane of inclination with transition spool piece and the contacted face of side pressure ring respectively, and the angle of inclination adapts with the angle that transition spool piece and side pressure ring turn up respectively.
Described fastening piece can be the screw bolt and nut that matches.
The utility model is when being set in rigid pipe terminal, contact with the outer side wall of rigid pipe by described elastic ring, by fastening piece described loop fasteners is being carried out in the fastening process, because the diameter of loop fasteners is diminishing, make and be buckled in the side margin that the described transition duct between the described loop fasteners turns up and the side margin that described side pressure ring turns up relative the drawing close that suffer oppression, and then push described elastic ring to center of circle direction generation elastic strain, realize interference fit with rigid pipe, reach close-connected purpose, can also reach good sealing effect simultaneously.Therefore adopt the utility model, needn't save manufacturing procedure, and adopt elastic ring to realize sealing in the terminal machining screw of rigid pipe at the anchor ring that contacts with the rigid pipe outer side wall, as long as the fastening force of described loop fasteners is enough, can reach very high seal request.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 be among Fig. 1 A-A to sectional view.
Embodiment
As shown in Fig. 1,2, the utility model mainly is made of loop fasteners 1, transition spool piece 2, elastic ring 3, side pressure ring 4 and bolt 5, nut 6.The both sides of the edge of described transition spool piece 2 are outwards routed up, one side margin 21 of side pressure ring 4 is also outwards routed up, on the cross section, form the space of " an eight " font between the two, described elastic ring 3 is embedded in the space of described " eight " font, and described elastic ring 3 respectively with contacted of transition spool piece and side pressure ring, the angle at the edge 41 that edge 21 that the angle of inclination is turned up with transition spool piece respectively and side pressure ring turn up adapts.The cross section of described loop fasteners 1 is a U-shaped, fasten the side margin 41 that 21 edges that described transition duct turns up and described side pressure ring turn up, described loop fasteners comprises two semi-loops 11, be provided with the retaining ring 7 of a rectangle between two semi-loops 11, the edge 12 that passes through coiling of described two semi-loops 11 is hinged with the relative seamed edge of described retaining ring 7 respectively, makes the dismounting of described loop fasteners 1 and installs all more convenient.The other end of two semi-loops 11 is connected and fixed by bolt 5 and the nut 6 that matches.
When connecting two rigid pipes, only the end of the rigid pipe 8 that two needs need be docked passes the elastic ring 3 (only drawing the rigid pipe of a side among the figure) of both sides respectively, again by locking nut 6, described loop fasteners 1 is carried out in the fastening process, make the diameter of loop fasteners 1 diminish, make and be buckled in the side margin 21 that the described transition duct between the described loop fasteners 1 turns up and suffer oppression and relative drawing close with the side margin 41 that described side pressure ring turns up, and then push described elastic ring 3 to center of circle direction generation elastic strain, the internal diameter of described elastic ring 3 is diminished, realize interference fit with the rigid pipe 8 that passes described elastic ring 3, reach close-connected purpose, therefore adopt the utility model, needn't be in the terminal machining screw of rigid pipe, saved manufacturing procedure, adopt elastic ring to realize sealing simultaneously,, can reach very high seal request as long as the fastening force of described loop fasteners is enough at the anchor ring that contacts with the rigid pipe outer side wall.
Two opposite side in the U-shaped cross section of described loop fasteners are parallel to each other or become angle as shown in Figure 2, the angle of angle a is less than the angle of angle b between described transition duct side margin 21 and the described side pressure ring side margin 41, make locking nut 6, when reducing annular and reducing 1 diameter, enough impacting forces are provided for transition duct side margin 21 and described side pressure ring side margin 41, and guarantee the contact friction resistance of trying one's best little.
More than rigid pipe connection set provided by the utility model is described in detail, used specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (7)
1. rigid pipe connection set, it is characterized in that: comprise transition spool piece, loop fasteners, side pressure ring and elastic ring, the edge of described transition spool piece is outwards routed up, one side margin of side pressure ring is also outwards routed up, the cross section of described loop fasteners is a U-shaped, fasten the side margin that side margin that described transition duct turns up and described side pressure ring turn up, one end opening of described loop fasteners, and be connected and fixed by fastening piece, described elastic ring is inlaid between the side margin that side margin that described transition duct turns up and described side pressure ring turn up.
2. rigid pipe connection set according to claim 1 is characterized in that: described loop fasteners comprises two semi-loops, is hinged between two semi-loops.
3. rigid pipe connection set according to claim 2 is characterized in that: be provided with a fixed connecting piece between two semi-loops of described loop fasteners, described two semi-loops hinged with the relative limit of described fixed connecting piece respectively.
4. according to claim 1 or 2 or 3 described rigid pipe connection sets, it is characterized in that: two opposite side in the U-shaped cross section of described loop fasteners are parallel to each other or become angle, the angle that the angle of angle is turned up less than described transition duct side margin and described side pressure ring side margin.
5. according to claim 1 or 2 or 3 described rigid pipe connection sets, it is characterized in that: described elastic ring is the plane of inclination with transition spool piece and contacted of side pressure ring respectively, and the angle of inclination adapts with the angle that transition spool piece and side pressure ring turn up respectively.
6. rigid pipe connection set according to claim 3 is characterized in that: described fixed connecting piece is ring or rectangle.
7. according to claim 1 or 2 or 3 described rigid pipe connection sets, it is characterized in that: described fastening piece is the screw bolt and nut that matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201279313U CN201090856Y (en) | 2007-07-31 | 2007-07-31 | Rigid pipe connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201279313U CN201090856Y (en) | 2007-07-31 | 2007-07-31 | Rigid pipe connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201090856Y true CN201090856Y (en) | 2008-07-23 |
Family
ID=39862616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201279313U Expired - Fee Related CN201090856Y (en) | 2007-07-31 | 2007-07-31 | Rigid pipe connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201090856Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529679A (en) * | 2018-05-25 | 2019-12-03 | 李银玲 | The not effective sealing and connecting device of nurse |
-
2007
- 2007-07-31 CN CNU2007201279313U patent/CN201090856Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529679A (en) * | 2018-05-25 | 2019-12-03 | 李银玲 | The not effective sealing and connecting device of nurse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080723 Termination date: 20100731 |