CN203948846U - A kind of linkage structure of metal tube - Google Patents
A kind of linkage structure of metal tube Download PDFInfo
- Publication number
- CN203948846U CN203948846U CN201420343851.1U CN201420343851U CN203948846U CN 203948846 U CN203948846 U CN 203948846U CN 201420343851 U CN201420343851 U CN 201420343851U CN 203948846 U CN203948846 U CN 203948846U
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- Prior art keywords
- interior
- metal tube
- connecting head
- protuberance
- hollow slot
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Abstract
The utility model discloses a kind of linkage structure of metal tube, comprise body and connecting head, on the outer surface of described body end, integral type is provided with annular protrusion, on described annular protrusion, be provided with a plurality of buckling grooves, on the internal surface of described body end, be provided with interior step, on described interior step, be provided with hollow slot; On the outer surface of described connecting head end, be provided with the outer step suitable with interior step, on described outer step, be provided with the protuberance suitable with hollow slot, on the outer surface at described connecting head middle part, be movably set with a plurality of hasps; During installation, connecting head is fixedly connected with buckling groove by hasp with body, and in the interior step of outer step insertion of connecting head, in the hollow slot in the protuberance on outer step inserts on step.The utility model makes the connection speed of metal tube faster, and the better tightness of metal tube after connecting has solved metal tube in prior art and connected and need to weld or bolted problem.
Description
Technical field
The utility model relates to pipeline field, relates in particular to a kind of linkage structure of metal tube.
Background technique
Metal tube is widely used in the every aspect of daily life, such as for delivery of various media such as oil, gas, water.In prior art, the Placement between metal tube mainly contains and is welded to connect, and the advantage such as good stability, Security are good owing to having for the metal tube being welded to connect, good airproof performance, resistance to deformation and long service life is widely used in all trades and professions.As China Patent No. " 201320273737.1 " discloses a kind of linkage structure of metal pipe element, its open day is on November 27th, 2013, its technological scheme is that the linkage structure of described metal pipe element comprises pipe fitting body and fittings body, pipe fitting body and fittings body are respectively equipped with pipe fitting joint and the joint joint of pegging graft and coordinating, joint joint is provided with the main passage of pegging graft for pipe fitting joint, pipe fitting joint is provided with the subaisle being connected with main passage conducting, and the position coordinating of pegging graft between described pipe fitting joint and joint joint forms welding region.
But the prior art that the above-mentioned patent document of take is representative, in actual use, still exists following defect: one,, because pipe fitting body and fittings body need to be welded to connect, the connection speed of pipe fitting is slow, causes installation efficiency low.Two, welding process needs special welder's operation, to having relatively high expectations of installation personnel.Three, in welding process, easily there is rosin joint or solder skip phenomenon, and then affect steadiness and the sealing of pipe fitting body and fittings body joint.Four, the internal diameter of pipe fitting body and fittings body varies in size, and after connecting, both joints form step, easily pile up impurity.Five, the pipe fitting body being welded to connect also exists the shortcoming that is not easy to dismounting and inconvenient maintenance.
In addition, in prior art, different according to the classification of transportation of substances, the flange that also has conventional between metal tube connects, but this Placement needs more bolt to fix, and still causes installation efficiency low.
Model utility content
The purpose of this utility model is to overcome the above-mentioned problems in the prior art, a kind of linkage structure of metal tube is provided, adopt after the utility model, the connection speed of metal tube is faster, better tightness after metal tube connects, has solved metal tube in prior art and has connected and need to weld or bolted problem.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of linkage structure of metal tube, it is characterized in that: comprise body and connecting head, on the outer surface of described body end, integral type is provided with annular protrusion, on described annular protrusion, be provided with a plurality of buckling grooves, on the internal surface of described body end, be provided with interior step, on described interior step, be provided with hollow slot; On the outer surface of described connecting head end, be provided with the outer step suitable with interior step, on described outer step, be provided with the protuberance suitable with hollow slot, on the outer surface at described connecting head middle part, be movably set with a plurality of hasps; During installation, connecting head is fixedly connected with buckling groove by hasp with body, and in the interior step of outer step insertion of connecting head, in the hollow slot in the protuberance on outer step inserts on step.
Described interior step comprises interior landscape surface and interior vertical face, forms the angle of 75-90 degree between described interior landscape surface and interior vertical face, and described hollow slot is arranged in interior vertical face; On described outer step, be provided with the fitting surface matching with interior vertical face, described protuberance is arranged on fitting surface.
Described hollow slot is V-shaped groove, and described protuberance is V-arrangement protuberance.
Between described hollow slot and protuberance, be provided with O-ring seal.
Between described interior step and outer step, be provided with O-ring seal.
Employing the utility model has the advantage of:
One,, in the utility model, by can rapidly metal tube and connecting head firmly being linked into an integrated entity hasp and coordinating of buckling groove, thereby make the installation efficiency between metal tube higher.And the structure of hasp and buckling groove is mature technology of the prior art, common installer just can complete installation fast, to installation personnel without specific (special) requirements.By the coordinating of outer step and interior step, protuberance, coordinate with hollow slot, can effectively prevent the medium seepage in body, make the better tightness after metal tube connects.Meanwhile, the utility model also makes the connecting tube after connection identical with metal tube internal diameter, is conducive to the smooth circulation of medium.Compare for the prior art of representative with China Patent No. " 201320273737.1 ", the utility model has not only solved metal tube in prior art and has connected and need to weld or bolted problem, also make the installation and removal of metal tube convenient, be conducive to later maintenance.
Two, in the utility model, described interior step comprises interior landscape surface and interior vertical face, forms the angle of 75-90 degree between described interior landscape surface and interior vertical face, and described hollow slot is arranged in interior vertical face; On described outer step, be provided with the fitting surface matching with interior vertical face, described protuberance is arranged on fitting surface, this structural reinforcing outer step and the tightness that interior step is connected, make the leakage proof better effects if between metal tube and connecting head.
Three, in the utility model, described hollow slot is V-shaped groove, described protuberance is V-arrangement protuberance, V-shaped groove matches with V-arrangement protuberance, not only can to connecting head, locate when mounted, accelerate both installation rates, can also strengthen the sealing that outer step is connected with interior step, guarantee that the medium in body can be from both joint seepages.
Four, in the utility model, between described hollow slot and protuberance, be provided with O-ring seal, between described interior step and outer step, be provided with O-ring seal, by the cooperation of double seal circle, not only can further improve sealing effect, stop medium seepage completely, also help and improve the working life that connects rear integrated piping.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment 1 structural representation;
Fig. 2 is the structural representation of the utility model embodiment 1 middle tube body;
Fig. 3 is the structural representation of connecting head in the utility model embodiment 1;
Fig. 4 is the utility model embodiment 2 structural representation;
Fig. 5 is the utility model embodiment 3 structural representation;
In figure, be labeled as: 1, body, 2, connecting head, 3, annular protrusion, 4, buckling groove, 5, interior step, 6, hollow slot, 7, outer step, 8, protuberance, 9, hasp, 10, O-ring seal, 11, fitting surface, 51, interior landscape surface, 52, interior vertical face.
Embodiment
Embodiment 1
A kind of linkage structure of metal tube, comprise body 1 and connecting head 2, on the outer surface of described body 1 end, integral type is provided with annular protrusion 3, on described annular protrusion 3, be provided with a plurality of buckling grooves 4, on the internal surface of described body 1 end, be provided with interior step 5, on described interior step 5, be provided with hollow slot 6; Described interior step 5 comprises interior landscape surface 51 and interior vertical face 52, forms the angle of 90 degree between described interior landscape surface 51 and interior vertical face 52, and described hollow slot 6 is arranged in interior vertical face 52.On the outer surface of described connecting head 2 ends, be provided with the outer step 7 suitable with interior step 5, on described outer step 7, be provided with the fitting surface 11 matching with interior vertical face 52, on described fitting surface 11, be provided with the protuberance 8 suitable with hollow slot 6.On the outer surface at described connecting head 2 middle parts, be movably set with a plurality of hasps 9; During installation, connecting head 2 is fixedly connected with buckling groove 4 by hasp 9 with body 1, the outer step 7 of connecting head 2 inserts in interior step 5, in hollow slot 6 in protuberance 8 on outer step 7 inserts on step 5, and in order to guarantee the sealing of joint, between hollow slot 6 and protuberance 8, be provided with O-ring seal 10, between interior step 5 and outer step 7, be provided with O-ring seal 10.Wherein, between interior landscape surface 51 and interior vertical face 52, form the structure of 90 degree angles, can strengthen outer step 7 and the tightness that interior step 5 is connected, make the leakage proof better effects if between metal tube and connecting head 2.
The preferred implementation of the present embodiment is, described hollow slot 6 is V-shaped groove, and described protuberance 8 is V-arrangement protuberance 8, but is not limited to above-mentioned preferred implementation, and for example, hollow slot 6 also can be U-groove bevel, and protuberance 8 also can be U-shaped protuberance 8.
Embodiment 2
A kind of linkage structure of metal tube, comprise body 1 and connecting head 2, on the outer surface of described body 1 end, integral type is provided with annular protrusion 3, on described annular protrusion 3, be provided with a plurality of buckling grooves 4, on the internal surface of described body 1 end, be provided with interior step 5, on described interior step 5, be provided with hollow slot 6; Described interior step 5 comprises interior landscape surface 51 and interior vertical face 52, forms the angle of 75 degree between described interior landscape surface 51 and interior vertical face 52, and described hollow slot 6 is arranged in interior vertical face 52.On the outer surface of described connecting head 2 ends, be provided with the outer step 7 suitable with interior step 5, on described outer step 7, be provided with the fitting surface 11 matching with interior vertical face 52, on described fitting surface 11, be provided with the protuberance 8 suitable with hollow slot 6.On the outer surface at described connecting head 2 middle parts, be movably set with a plurality of hasps 9; During installation, connecting head 2 is fixedly connected with buckling groove 4 by hasp 9 with body 1, the outer step 7 of connecting head 2 inserts in interior step 5, in hollow slot 6 in protuberance 8 on outer step 7 inserts on step 5, and in order to guarantee the sealing of joint, between hollow slot 6 and protuberance 8, be provided with O-ring seal 10, between interior step 5 and outer step 7, be provided with O-ring seal 10.Wherein, between interior landscape surface 51 and interior vertical face 52, form the structure of 75 degree angles, not only can strengthen the tightness that outer step 7 is connected with interior step 5, make the leakage proof better effects if between metal tube and connecting head 2, also make the joint of metal tube and connecting head 2 to seamlessly transit, avoid impurity in metallic conduit to be deposited in both joints.
Embodiment 3
A kind of linkage structure of metal tube, comprise body 1 and connecting head 2, on the outer surface of described body 1 end, integral type is provided with annular protrusion 3, on described annular protrusion 3, be provided with a plurality of buckling grooves 4, on the internal surface of described body 1 end, be provided with interior step 5, on described interior step 5, be provided with hollow slot 6; Described interior step 5 comprises interior landscape surface 51 and interior vertical face 52, forms the angle of 82 degree between described interior landscape surface 51 and interior vertical face 52, and described hollow slot 6 is arranged in interior vertical face 52.On the outer surface of described connecting head 2 ends, be provided with the outer step 7 suitable with interior step 5, on described outer step 7, be provided with the fitting surface 11 matching with interior vertical face 52, on described fitting surface 11, be provided with the protuberance 8 suitable with hollow slot 6.On the outer surface at described connecting head 2 middle parts, be movably set with a plurality of hasps 9; During installation, connecting head 2 is fixedly connected with buckling groove 4 by hasp 9 with body 1, the outer step 7 of connecting head 2 inserts in interior step 5, in hollow slot 6 in protuberance 8 on outer step 7 inserts on step 5, and in order to guarantee the sealing of joint, between hollow slot 6 and protuberance 8, be provided with O-ring seal 10, between interior step 5 and outer step 7, be provided with O-ring seal 10.Wherein, between interior landscape surface 51 and interior vertical face 52, form the structure of 82 degree angles, not only can strengthen the tightness that outer step 7 is connected with interior step 5, make the leakage proof better effects if between metal tube and connecting head 2, also make the joint of metal tube and connecting head 2 to seamlessly transit, avoid impurity in metallic conduit to be deposited in both joints.
In the utility model, the quantity of described buckling groove 4 is preferably 6, is evenly distributed on metal tube end surrounding, has both guaranteed quick mounting metal tube, guarantees that again the steadiness of the metal tube after connecting is best.
In the utility model, between described hollow slot 6 and protuberance 8, the mounting groove of O-ring seal 10 is arranged in hollow slot 6, and between described interior step 5 and outer step 7, the mounting groove of O-ring seal 10 is arranged on outer step 7.
In the utility model, described metal tube is identical with the internal diameter size of connecting head 2, wherein, described interior step 5 refers to the step structure of offering on body 1 inwall of metal tube end, and described outer step 7 refers to the step structure of offering on body 1 outer wall of connecting head 2 ends.
In the utility model, the linkage structure of described hasp 9 and buckling groove 4 preferably adopts the fastening structure of casing and case lid in toolbox, has advantage simple in structure, easy to use.
Claims (5)
1. the linkage structure of a metal tube, it is characterized in that: comprise body (1) and connecting head (2), on the outer surface of described body (1) end, integral type is provided with annular protrusion (3), on described annular protrusion (3), be provided with a plurality of buckling grooves (4), on the internal surface of described body (1) end, be provided with interior step (5), on described interior step (5), be provided with hollow slot (6); On the outer surface of described connecting head (2) end, be provided with the outer step (7) suitable with interior step (5), on described outer step (7), be provided with the protuberance (8) suitable with hollow slot (6), on the outer surface at described connecting head (2) middle part, be movably set with a plurality of hasps (9); During installation, connecting head (2) is fixedly connected with buckling groove (4) by hasp (9) with body (1), and in the outer step (7) of connecting head (2) inserts,, in step (5), the protuberance (8) on outer step (7) inserts in the hollow slot (6) on interior step (5).
2. the linkage structure of a kind of metal tube as claimed in claim 1, it is characterized in that: described interior step (5) comprises interior landscape surface (51) and interior vertical face (52), the angle that forms 75-90 degree between described interior landscape surface (51) and interior vertical face (52), described hollow slot (6) is arranged in interior vertical face (52); On described outer step (7), be provided with the fitting surface (11) matching with interior vertical face (52), described protuberance (8) is arranged on fitting surface (11).
3. the linkage structure of a kind of metal tube as claimed in claim 1 or 2, is characterized in that: described hollow slot (6) is V-shaped groove, and described protuberance (8) is V-arrangement protuberance (8).
4. the linkage structure of a kind of metal tube as claimed in claim 1, is characterized in that: between described hollow slot (6) and protuberance (8), be provided with O-ring seal (10).
5. the linkage structure of a kind of metal tube as described in claim 1,2 or 4, is characterized in that: between described interior step (5) and outer step (7), be provided with O-ring seal (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420343851.1U CN203948846U (en) | 2014-06-26 | 2014-06-26 | A kind of linkage structure of metal tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420343851.1U CN203948846U (en) | 2014-06-26 | 2014-06-26 | A kind of linkage structure of metal tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203948846U true CN203948846U (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420343851.1U Expired - Fee Related CN203948846U (en) | 2014-06-26 | 2014-06-26 | A kind of linkage structure of metal tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203948846U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089126A (en) * | 2014-06-26 | 2014-10-08 | 四川川起钢结构有限公司 | Metal pipe connecting structure |
| CN110701405A (en) * | 2019-08-27 | 2020-01-17 | 神通科技集团股份有限公司 | Pressure pipeline buckle formula connection structure |
-
2014
- 2014-06-26 CN CN201420343851.1U patent/CN203948846U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089126A (en) * | 2014-06-26 | 2014-10-08 | 四川川起钢结构有限公司 | Metal pipe connecting structure |
| CN110701405A (en) * | 2019-08-27 | 2020-01-17 | 神通科技集团股份有限公司 | Pressure pipeline buckle formula connection 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 |
Granted publication date: 20141119 Termination date: 20150626 |
|
| EXPY | Termination of patent right or utility model |