CN102128328A - Connection structure for quickly locking metal pipe fitting and special calipers thereof - Google Patents
Connection structure for quickly locking metal pipe fitting and special calipers thereof Download PDFInfo
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- CN102128328A CN102128328A CN2011100783807A CN201110078380A CN102128328A CN 102128328 A CN102128328 A CN 102128328A CN 2011100783807 A CN2011100783807 A CN 2011100783807A CN 201110078380 A CN201110078380 A CN 201110078380A CN 102128328 A CN102128328 A CN 102128328A
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Abstract
The invention discloses a connection structure of a pipe fitting, and in particular relates to a connection structure for quickly locking a metal pipe fitting and special calipers thereof. The connection structure for quickly locking the metal pipe fitting consists of a pipe joint and a pipe fitting, wherein the pipe joint comprises a main body and a connecting end; the pipe fitting is inserted in the connecting end; a cambered annular groove is arranged along the inner circle of the connecting end; a seal ring for sealing the pipe fitting and the inner wall of the connecting end is arranged in the cambered annular groove; and a polygonal or circular pressing port is respectively adopted inside and outside the cambered annular groove by the connecting end. The connection structure has the characteristics of simple structure, convenience for use and high tensile property and sealing property, and the production cost is also reduced. In addition, the invention discloses calipers for quick locking connection of the metal pipe fitting.
Description
Technical field
The present invention relates to the linkage structure of pipe fitting, relate in particular to a kind of metal pipe element linkage structure and the special caliper thereof of locking fast.
Background technique
Conventional pipelines and link thereof are threaded usually or groove type connects; Be connected firmly for reaching, tight, non-leakage purpose, generally need reprocess pipe fitting end, promptly open hinge screw thread or open channels at the port of pipe fitting so that be connected, so just damaged, weakened the intensity of pipe fitting end with internal thread or groove.For this reason, when producing pipe fitting, because worm tooth and groove have the certain height or the degree of depth, the wall thickness of pipe fitting just need be reserved as the surplus of machining screw tooth or groove, these cause the whole wall thickness of pipe fitting to be much higher than the size that real fluid pressure sets, it is actual needed wall thickness, design limiting just because of linkage structure, require processed pipe fitting that certain intensity will be arranged, promptly certain wall thickness will be arranged, in addition, pipe fitting during fabrication, tube material is wasted in a large number, and this has increased cost of material virtually, has raised the market price of product.
Chinese invention patent (application number: 200610017854.6 applyings date: 2006-05-20) disclose a kind of thin-wall metal pipe quick-locking connection structure, it comprises pipe fitting joint, body, seal ring, external compression nut and roof pressure ring, the inwall of pipe fitting joint connecting end reaches the outer shoulder hole in the body that is disposed with by the lining, shoulder hole in bulge loop groove and the roof pressure ring, the connecting end end arranged outside of pipe fitting joint has the screw thread external tapping, the connecting end tube wall protuberance of body forms a circle pushing tow bulge loop, the sheathed roof pressure ring of body is arranged on pipe fitting joint the inside, and locks body fast and be connected with pipe fitting joint to be set on external compression nut on the body.This structure tension, compressive strength height, good seal performance is mainly used in feedwater, potable water industry or liquid and carries industry.But the number of spare parts that relates to of this structure is many, and this has also increased production cost.
Summary of the invention
In order to solve the above-mentioned high technological deficiency of metal pipe element Placement cost of production, first purpose of the present invention provides a kind of metal pipe element linkage structure of locking fast, this structure has all characteristics preferably of tension and sealability, has reduced production cost simultaneously.Second purpose of the present invention provides a kind of clamp that metal pipe element is locked connection fast that are used for, and these clamp can realize fast that the locking of metal pipe element connects, and has characteristics simple in structure, easy to use.
In order to realize first above-mentioned purpose, the present invention has adopted following technological scheme:
Metal pipe element is the linkage structure of locking fast, this structure is made up of pipe joint and pipe fitting, described pipe joint comprise body and connecting end, described pipe fitting is plugged in the connecting end, inner ring at connecting end is provided with the arc circular groove, be provided with the seal ring that is used for sealed pipe fittings and connecting end inwall in the arc circular groove, connecting end adopts polygonal or the circular mouth of pressing respectively in the arc circular groove inboard and the outside.
Above-mentioned structure tension and sealability are all better, reduced production cost simultaneously, but at connecting end when the inboard and outside all adopts polygonal to press mouthful at the arc circular groove, polygonal is pressed mouthful can a formation seamed edge, can form finedraw at the inwall of arc circular groove like this, cause poorly sealed close.For this reason, as further improvement, described connecting end is at the inboard polygonal pressure mouth that adopts of arc circular groove, and connecting end adopts the circular mouth of pressing in the arc ring slot outside.As most preferably, above-mentioned connecting end is pressed mouthful at the inboard regular hexagon that adopts of arc circular groove.
As further improvement, the inner body wall of described pipe joint is provided with position limiting convex ring, the end and the position limiting convex ring of pipe fitting offset, polygonal is pressed between mouth and the position limiting convex ring and is left distance, such structure can make the end of pipe fitting at flange of this interior formation of distance, has further strengthened the tensility of structure.
As further improvement, described polygonal is pressed and is provided with the circular mouth of pressing of changeover portion between mouth and the arc circular groove.
The body of above-mentioned pipe joint is isometrical straight tube, 45 ° of bend pipes or 90 ° of bend pipes; Perhaps, the body of pipe joint is the straight tube of reducing, 45 ° of bend pipes or 90 ° of bend pipes; Certainly, the body of pipe joint also can be straight tee, reducer tee piece, straight cross pipe or reducing cross pipe.
The present invention, needs only at connecting end and presses mouth can realize that promptly the quick of pipe fitting is connected respectively in the arc circular groove inboard and the outside, use and convenient after pipe fitting is inserted into connecting end owing to adopted above-mentioned technological scheme.The present invention has simple in structure, and is easy to use, and tension and sealability be characteristics preferably all, reduced production cost simultaneously again.The present invention is applicable to the connection of feedwater pipe fitting or other liquid supply tube spares.
In order to realize second above-mentioned purpose, the present invention has adopted following technological scheme:
Be used for metal pipe element and lock the clamp of connection fast, these clamp are configured to by two calipers and two fixed supports, and two calipers are over against being provided with between two fixing support racks, and are hinged by rotating shaft and fixing support rack respectively; Caliper is binding clip above articulating point, and the articulating point below is respectively equipped with jaw for the pincers handle on the binding clip, and the both sides of jaw are respectively equipped with polygonal mouth or circular port, and the centre of jaw is provided with the annular groove that the cross section is a circular arc.
As further improvement, a side of above-mentioned jaw is the polygonal mouth, and opposite side is a circular port.
As further improvement, be provided with the changeover portion circular port between above-mentioned polygonal mouth and the annular groove.
As further improvement, above-mentioned polygonal mouth is the regular hexagon mouth.
Above-mentioned pincers handle is a Mechanical Driven, and machine power derives from electric energy or hydraulic pressure energy, is provided with on the pincers handle during Mechanical Driven and drives tie point or driving action face, is provided with Returnning spring between two calipers.
As further improvement, described rotating shaft is fixedly installed on the fixing support rack by slotted collar is set.
When using, pipe is inserted into connecting end after, the jaw pincers can be realized promptly that with the crimping in the outside the quick of pipe fitting is connected at connecting end in that the arc circular groove is inboard, it is extremely convenient to use.In addition, the present invention adopts fixing support rack to be hinged with two calipers respectively, and the body damage has been avoided in the circular arc skew of carrying out when reducing jaw like this and clamp together.The present invention has simple in structure, characteristics easy to use.
Description of drawings
Fig. 1 is the structural representation before the compacting of pipe fitting insertion tube joint.
Fig. 2 is the structural representation after the compacting of pipe fitting insertion tube joint.
Fig. 3 is the external structure schematic representation after the compacting of pipe fitting insertion tube joint.
Fig. 4 is the structural representation of clamp of the present invention.
Fig. 5 is the plan view of Fig. 4.
Fig. 6 is an A-A sectional view among Fig. 5.
Fig. 7 is a B-B sectional view among Fig. 5.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is made a detailed explanation.
As Fig. 4, shown in Figure 5 be used for the clamp that metal pipe element is locked connection fast, these clamp are made of two calipers 11 and two fixing support racks 12, two calipers 11 are over against being provided with between two fixing support racks 12, and be hinged by rotating shaft 13 and fixing support rack 12 respectively, rotating shaft 13 is fixedly installed on the fixing support rack 12 by slotted collar 14 is set.Caliper 11 is binding clip 15 above articulating point, and the articulating point below is respectively equipped with jaw 17 for pincers handle 16 on the binding clip 15.As shown in Figure 3, Figure 4, a side of jaw 17 is a regular hexagon mouth 19, and opposite side is a circular port 20, and the centre of jaw 17 is provided with the annular groove 21 that the cross section is a circular arc, is provided with changeover portion circular port 22 between regular hexagon mouth 19 and the annular groove 21.
Above-mentioned pincers handle 16 is a Mechanical Driven, and machine power derives from electric energy or hydraulic pressure energy, is provided with to drive between tie point 18 or 23, two calipers 11 of driving action face during Mechanical Driven on pincers handle 16 to be provided with Returnning spring.
As shown in Figure 1, before the linkage structure compacting that metal pipe element of the present invention is locked fast, form by pipe joint 1 and pipe fitting 2, pipe joint 1 comprise body 3 and connecting end 4, described pipe fitting 2 is plugged in the connecting end 4, is provided with arc circular groove 5 at the inner ring of connecting end 4, is provided with the seal ring 6 that is used for sealed pipe fittings 2 and connecting end 4 inwalls in the arc circular groove 5, and being provided with position limiting convex ring 9 in the inner body wall of pipe joint 1, the end of pipe fitting 2 and position limiting convex ring 9 offset.
As Fig. 2, shown in Figure 3, adopt embodiment's 1 described clamp that arc circular groove 5 the connecting ends 4 inboard and outside are suppressed respectively, form two and press mouth, the pressure mouth of arc circular groove 5 inboards is that regular hexagon is pressed mouth 7, and the pressure mouth in arc circular groove 5 outsides is the circular mouth 8 of pressing.Certainly, can press at regular hexagon and be provided with the circular mouth of pressing of changeover portion between mouth 7 and the arc circular groove 7, can avoid regular hexagon to press 7 pairs of arc circular grooves 7 of mouth to impact so fully.As shown in Figure 2, between regular hexagon pressure mouth 7 and position limiting convex ring 9, leave distance, make the end of pipe fitting 2 form a flange 10.
The body 3 of above-mentioned pipe joint 1 is isometrical straight tube, 45 ° of bend pipes or 90 ° of bend pipes; Perhaps, the body 3 of pipe joint 1 is the straight tube of reducing, 45 ° of bend pipes or 90 ° of bend pipes; Certainly, the body 3 of pipe joint 1 also can be straight tee, reducer tee piece, straight cross pipe or reducing cross pipe.
Claims (10)
1. the quick linkage structure of locking of metal pipe element, this structure has pipe joint (1) and pipe (2) to form, it is characterized in that: pipe joint (1) comprises body (3) and connecting end (4), described pipe (2) is plugged in the connecting end (4), inner ring at connecting end (4) is provided with arc circular groove (5), be provided with the seal ring (6) that is used to seal pipe (2) and connecting end (4) inwall in the arc circular groove (5), connecting end (4) adopts polygonal or the circular mouth of pressing respectively in arc circular groove (5) inboard and the outside.
2. metal pipe element according to claim 1 is the linkage structure of locking fast, it is characterized in that: connecting end (4) is pressed mouthful (7) at the inboard polygonal that adopts of arc circular groove (5), and connecting end (4) adopts circular press mouthful (8) in arc circular groove (5) outside; As further improvement, described connecting end (4) is pressed mouth at the inboard regular hexagon that adopts of arc circular groove (5).
3. according to the quick linkage structure of locking of any described metal pipe element of claim of claim 1～3, it is characterized in that: body (3) inwall of pipe joint (1) is provided with position limiting convex ring (9), the end of pipe (2) and position limiting convex ring (9) offset, polygonal is pressed between mouthful (7) and the position limiting convex ring (9) and is left distance, the end of pipe (2) is at this distance flange of interior formation (10), and outwards deviate from pipe joint (1) flange (10) confinement tube (2) end.
4. the linkage structure of locking fast according to any described metal pipe element of claim of claim 1～3 is characterized in that: be provided with the circular mouth of pressing of changeover portion between polygonal pressure mouthful (7) and the arc circular groove (5).
5. according to the linkage structure of the quick locking of any described metal pipe element of claim of claim 1～3, it is characterized in that: the body (3) of pipe joint (1) is isometrical straight tube, 45 ° of bend pipes or 90 ° of bend pipes; Perhaps, the body (3) of pipe joint (1) is the straight tube of reducing, 45 ° of bend pipes or 90 ° of bend pipes; Perhaps, the body (3) of pipe joint (1) is straight tee, reducer tee piece, straight cross pipe or reducing cross pipe.
6. be used for metal pipe element and lock the clamp of connection fast, it is characterized in that: these clamp are made of two calipers (21) and two fixing support racks (12), two calipers (21) are over against being provided with between two fixing support racks (12), and are hinged by rotating shaft (13) and fixing support rack (12) respectively; Caliper (21) is binding clip (15) above articulating point, the articulating point below is pincers handle (16), be respectively equipped with jaw (17) on the binding clip (15), the both sides of jaw (17) are respectively equipped with polygonal mouth (19) or circular port (20), and the centre of jaw (17) is provided with the annular groove that the cross section is a circular arc (11).
7. clamp according to claim 6 is characterized in that: a side of jaw (17) is polygonal mouth (19), and opposite side is circular port (20); As further improvement, polygonal mouth (19) is the regular hexagon mouth.
8. clamp according to claim 6 is characterized in that: be provided with changeover portion circular port (12) between polygonal mouth (19) and the annular groove (11).
9. clamp according to claim 6, it is characterized in that: pincers handles (16) are Mechanical Driven, machine power derives from electric energy or hydraulic pressure energy, on pincers handles (16), be provided with during Mechanical Driven and drive tie point (18) or driving action face (23), be provided with Returnning spring between two calipers (21).
10. clamp according to claim 6 is characterized in that: described rotating shaft (13) is fixedly installed on the fixing support rack (12) by slotted collar (14) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100783807A CN102128328A (en) | 2011-03-30 | 2011-03-30 | Connection structure for quickly locking metal pipe fitting and special calipers thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100783807A CN102128328A (en) | 2011-03-30 | 2011-03-30 | Connection structure for quickly locking metal pipe fitting and special calipers thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102128328A true CN102128328A (en) | 2011-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100783807A Pending CN102128328A (en) | 2011-03-30 | 2011-03-30 | Connection structure for quickly locking metal pipe fitting and special calipers thereof |
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| CN (1) | CN102128328A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103237613A (en) * | 2010-10-15 | 2013-08-07 | 福特全球技术公司 | Method for joining components made of high-strength steel |
| WO2015100510A1 (en) | 2013-12-31 | 2015-07-09 | Trefimet S.A. | Quick-coupling device comprising a hollow cylinder having bevelled ends and two circular internal grooves |
| CN106247042A (en) * | 2016-08-15 | 2016-12-21 | 重庆美瑞威机电制造有限公司 | A kind of automobile air-conditioning pipe joint mechanism avoiding leakage |
| CN109312881A (en) * | 2016-11-29 | 2019-02-05 | 嘉科米尼有限公司 | Metal pipe connecting piece |
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| JPS5370072A (en) * | 1976-12-06 | 1978-06-22 | Nippon Benkan Kogyo Kk | Joint connect method |
| JPS5588939A (en) * | 1978-12-27 | 1980-07-05 | Nippon Benkan Kogyo Kk | Joint connection method |
| CN2046969U (en) * | 1988-12-17 | 1989-11-01 | 李天宝 | Rapid joint |
| CN1124935A (en) * | 1993-06-03 | 1996-06-19 | 曼内斯曼股份公司 | Process for installing a conduit pipe system and device for unreleasable connection |
| CN2708075Y (en) * | 2004-06-07 | 2005-07-06 | 张喜贵 | Fast joint for oxygen blowpipe |
| CN2712493Y (en) * | 2004-06-28 | 2005-07-27 | 开泰制管(苏州)有限公司 | Pipeline joint crimping tool |
| CN2860660Y (en) * | 2005-12-22 | 2007-01-24 | 成都共同管业有限公司 | Ring press tool for tube element connection |
| CN201205583Y (en) * | 2008-02-25 | 2009-03-11 | 艾默生管道工具上海有限公司 | Crimping tool for annulus-pressure pipeline connector |
| CN101725784A (en) * | 2009-12-01 | 2010-06-09 | 无锡金羊管件有限公司 | Dual-extrusion quick joint |
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2011
- 2011-03-30 CN CN2011100783807A patent/CN102128328A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5370072A (en) * | 1976-12-06 | 1978-06-22 | Nippon Benkan Kogyo Kk | Joint connect method |
| JPS5588939A (en) * | 1978-12-27 | 1980-07-05 | Nippon Benkan Kogyo Kk | Joint connection method |
| CN2046969U (en) * | 1988-12-17 | 1989-11-01 | 李天宝 | Rapid joint |
| CN1124935A (en) * | 1993-06-03 | 1996-06-19 | 曼内斯曼股份公司 | Process for installing a conduit pipe system and device for unreleasable connection |
| CN2708075Y (en) * | 2004-06-07 | 2005-07-06 | 张喜贵 | Fast joint for oxygen blowpipe |
| CN2712493Y (en) * | 2004-06-28 | 2005-07-27 | 开泰制管(苏州)有限公司 | Pipeline joint crimping tool |
| CN2860660Y (en) * | 2005-12-22 | 2007-01-24 | 成都共同管业有限公司 | Ring press tool for tube element connection |
| CN201205583Y (en) * | 2008-02-25 | 2009-03-11 | 艾默生管道工具上海有限公司 | Crimping tool for annulus-pressure pipeline connector |
| CN101725784A (en) * | 2009-12-01 | 2010-06-09 | 无锡金羊管件有限公司 | Dual-extrusion quick joint |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103237613A (en) * | 2010-10-15 | 2013-08-07 | 福特全球技术公司 | Method for joining components made of high-strength steel |
| CN103237613B (en) * | 2010-10-15 | 2015-12-02 | 福特全球技术公司 | For engaging the method for the assembly be made up of high strength steel |
| WO2015100510A1 (en) | 2013-12-31 | 2015-07-09 | Trefimet S.A. | Quick-coupling device comprising a hollow cylinder having bevelled ends and two circular internal grooves |
| RU2672551C2 (en) * | 2013-12-31 | 2018-11-15 | Трефимет С.А. | Device for quick connection containing hollow cylinder with beveled ends and two internal annular grooves |
| CN106247042A (en) * | 2016-08-15 | 2016-12-21 | 重庆美瑞威机电制造有限公司 | A kind of automobile air-conditioning pipe joint mechanism avoiding leakage |
| CN109312881A (en) * | 2016-11-29 | 2019-02-05 | 嘉科米尼有限公司 | Metal pipe connecting piece |
| CN109312881B (en) * | 2016-11-29 | 2021-12-21 | 嘉科米尼有限公司 | Metal pipe connecting piece |
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Application publication date: 20110720 |