CN203384567U - Reducing union elbow with outer tooth casings - Google Patents
Reducing union elbow with outer tooth casings Download PDFInfo
- Publication number
- CN203384567U CN203384567U CN201320434349.7U CN201320434349U CN203384567U CN 203384567 U CN203384567 U CN 203384567U CN 201320434349 U CN201320434349 U CN 201320434349U CN 203384567 U CN203384567 U CN 203384567U
- Authority
- CN
- China
- Prior art keywords
- pipe
- insertion pipe
- outer tooth
- tooth socket
- groove
- 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
Links
Abstract
The utility model discloses a reducing union elbow with outer tooth casings. The reducing union elbow comprises an L-shaped pipeline body comprising a first splicing pipe and a second splicing pipe; the first splicing pipe and the second splicing are communicated with each other; the thicknesses of the pipe walls of the first splicing pipe and the second splicing pipe are the same; two first grooves are respectively formed in the first splicing pipe and the second splicing pipe; seal rings, of which the sections are N-shaped, are embedded in the first grooves; a first circular groove and a second circular groove are respectively formed in two sides of the seal ring; first clamping grooves are respectively formed in the first splicing pipe and the second splicing pipe; the rotary outer tooth casings are clamped in the first clamping grooves; thread connecting parts are arranged on the pipe walls on the outer sides of the outer tooth casings; convex rings propped against the outer tooth casings are arranged at the inner ends of the first clamping grooves. The reducing union elbow is firm in connection, good in sealing performance, convenient to assemble, and relatively low in production cost.
Description
Technical field
The utility model relates to the pipe joint technical field, especially relates to a kind of reducing elbow with the outer tooth socket pipe.
Background technique
Pipe joint is the connecting element between pipeline, it is tight and firm for pipeline is connected, general hinge screw thread or the groove opened in the end of pipe joint, in order to be connected with pipeline thread or groove, existing pipe joint connects firm not, and sealing is poor, and the pipeline that can not be applicable to high-pressure liquid connects, and assembling is inconvenient, cost of production is higher.
Summary of the invention
The deficiency existed for above-mentioned prior art, the purpose of this utility model will provide a kind of and be connected firmly, the reducing elbow with the outer tooth socket pipe of good airproof performance, and it is easy to assembly, and cost of production is lower.
To achieve these goals, the technological scheme that the utility model adopts is:
A kind of reducing elbow with the outer tooth socket pipe, comprise " L " shape pipeline body formed by the first insertion pipe and the second insertion pipe, the first insertion pipe and the second insertion pipe are interconnected, the internal diameter of described the first insertion pipe is greater than the internal diameter of described the second insertion pipe, described the first insertion pipe is identical with the pipe thickness of described the second insertion pipe, offer respectively the first groove on described the first insertion pipe and described the second insertion pipe, be embedded with the seal ring that cross section is " N " shape in described the first groove, the both sides of described seal ring are respectively equipped with the first circular groove and the second circular groove, also offer respectively the first draw-in groove on described the first insertion pipe and described the second insertion pipe, be arranged with rotating outer tooth socket pipe in described the first draw-in groove, the outside tube wall of described outer tooth socket pipe is provided with threaded joints, the inner end of described the first draw-in groove is provided with the bulge loop offseted with described outer tooth socket pipe.
Wherein, on described the first insertion pipe and described the second insertion pipe, be respectively equipped with some helical teeth rings, the external diameter of described helical teeth ring is reduced outward gradually by inner end.The true dip direction of the outside hypotenuse of described seal ring is consistent with the true dip direction of described helical teeth ring.Described the first circular groove becomes " V " shape with the cross section of described the second circular groove.The corner joint, the outside of described the first insertion pipe and the second insertion pipe is provided with lead angle.The outer end of described the first insertion pipe and described the second insertion pipe is formed with the flow-guiding mouth of taper.
After adopting technique scheme, the advantage that compared to the prior art the utility model had is:
Reducing elbow with the outer tooth socket pipe described in the utility model, offer respectively the first groove on the first insertion pipe and the second insertion pipe, be embedded with the seal ring that cross section is " N " shape in the first groove, the both sides of seal ring are respectively equipped with the first circular groove and the second circular groove, outer end be the first circular groove, by inner end is the second circular groove, when the first insertion pipe and the second insertion pipe are inserted in pipeline, the inwall of pipeline pushes described seal ring, seal ring lateral extrusion power and axial friction, make the second circular groove of described seal ring inwardly close up, the first circular groove of described seal ring a little outwards opens, it is connected firmly, good airproof performance.Also offer respectively the first draw-in groove on the first insertion pipe and the second insertion pipe, be arranged with rotating outer tooth socket pipe in described the first draw-in groove, the outside tube wall of described outer tooth socket pipe is provided with threaded joints, the inner end of described the first draw-in groove is provided with the bulge loop offseted with described outer tooth socket pipe, the first insertion pipe is connected with pipeline thread with the threaded joints of the second insertion pipe by the outer tooth socket pipe, easy to assembly, cost of production is lower.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated:
Fig. 1: structural representation of the present utility model.
Fig. 2 is the local structure for amplifying schematic diagram in A place in Fig. 1.
In figure, 10: the first insertion pipes; 20: the second insertion pipes; 2: the first grooves; 3: seal ring; 4: the first circular grooves; 5: the second circular grooves; 6: the helical teeth ring; 7: the outer tooth socket pipe; 8: the first draw-in grooves; 9: bulge loop; 30: flow-guiding mouth.
Embodiment
The following stated is only preferred embodiment of the present utility model, does not therefore limit protection domain of the present utility model.
Embodiment, see shown in Fig. 1 to Fig. 2: a kind of reducing elbow with the outer tooth socket pipe, comprise " L " shape pipeline body formed by the first insertion pipe 10 and the second insertion pipe 20, the first insertion pipe 10 and the second insertion pipe 20 are interconnected, the internal diameter of described the first insertion pipe 10 is greater than the internal diameter of described the second insertion pipe 20, described the first insertion pipe 10 is identical with the pipe thickness of described the second insertion pipe 20, offer respectively the first groove 2 on the first insertion pipe 10 and the second insertion pipe 20, be embedded with the seal ring 3 that cross section is " N " shape in the first groove 2, the both sides of seal ring 3 are respectively equipped with the first circular groove 4 and the second circular groove 5, outer end be the first circular groove 4, by inner end is the second circular groove 5, when the first insertion pipe 10 and the second insertion pipe 20 are inserted in pipeline, the inwall of pipeline pushes described seal ring 3, seal ring 3 lateral extrusion power and axial frictions, make the second circular groove 5 of described seal ring 3 inwardly close up, the first circular groove 4 of described seal ring 3 a little outwards opens, it is connected firmly, good airproof performance.Also offer respectively the first draw-in groove 8 on the first insertion pipe 10 and the second insertion pipe 20, be arranged with rotating outer tooth socket pipe 7 in described the first draw-in groove 8, the outside tube wall of described outer tooth socket pipe 7 is provided with threaded joints 71, the inner end of described the first draw-in groove 8 is provided with the bulge loop 9 offseted with described outer tooth socket pipe 7, easy to assembly, cost of production is lower.
Wherein, on described the first insertion pipe 10 and described the second insertion pipe 20, be respectively equipped with some helical teeth rings 6, the external diameter of described helical teeth ring 6 is reduced outward gradually by inner end.The true dip direction of the outside hypotenuse of described seal ring 3 is consistent with the true dip direction of described helical teeth ring 6.Described the first circular groove 4 becomes " V " shape with the cross section of described the second circular groove 5.The corner joint, the outside of described the first insertion pipe 10 and the second insertion pipe 20 is provided with lead angle.The outer end of described the first insertion pipe 10 and described the second insertion pipe 20 is formed with the flow-guiding mouth 30 of taper.
Claims (5)
1. the reducing elbow with the outer tooth socket pipe, comprise " L " shape pipeline body formed by the first insertion pipe (10) and the second insertion pipe (20), the first insertion pipe (10) is interconnected with the second insertion pipe (20), it is characterized in that: the internal diameter of described the first insertion pipe (10) is greater than the internal diameter of described the second insertion pipe (20), described the first insertion pipe (10) is identical with the pipe thickness of described the second insertion pipe (20), offer respectively the first groove (2) on described the first insertion pipe (10) and described the second insertion pipe (20), be embedded with the seal ring (3) that cross section is " N " shape in described the first groove (2), the both sides of described seal ring (3) are respectively equipped with the first circular groove (4) and the second circular groove (5), also offer respectively the first draw-in groove (8) on described the first insertion pipe (10) and described the second insertion pipe (20), be arranged with rotating outer tooth socket pipe (7) in described the first draw-in groove (8), the outside tube wall of described outer tooth socket pipe (7) is provided with threaded joints (71), the inner end of described the first draw-in groove (8) is provided with the bulge loop (9) offseted with described outer tooth socket pipe (7).
2. the reducing elbow with the outer tooth socket pipe according to claim 1, it is characterized in that: be respectively equipped with some helical teeth rings (6) on described the first insertion pipe (10) and described the second insertion pipe (20), the external diameter of described helical teeth ring (6) is reduced outward gradually by inner end.
3. the reducing elbow with the outer tooth socket pipe according to claim 1 is characterized in that: the cross section of described the first circular groove (4) and described the second circular groove (5) becomes " V " shape.
4. the reducing elbow with the outer tooth socket pipe according to claim 1 is characterized in that: described the first insertion pipe (10) is provided with lead angle with the corner joint, the outside of the second insertion pipe (20).
5. the reducing elbow with the outer tooth socket pipe according to claim 1 is characterized in that: the outer end of described the first insertion pipe (10) and described the second insertion pipe (20) is formed with the flow-guiding mouth (30) of taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320434349.7U CN203384567U (en) | 2013-07-22 | 2013-07-22 | Reducing union elbow with outer tooth casings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320434349.7U CN203384567U (en) | 2013-07-22 | 2013-07-22 | Reducing union elbow with outer tooth casings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203384567U true CN203384567U (en) | 2014-01-08 |
Family
ID=49873055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320434349.7U Expired - Fee Related CN203384567U (en) | 2013-07-22 | 2013-07-22 | Reducing union elbow with outer tooth casings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203384567U (en) |
-
2013
- 2013-07-22 CN CN201320434349.7U patent/CN203384567U/en not_active Expired - Fee Related
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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: 20140108 Termination date: 20140722 |
|
| EXPY | Termination of patent right or utility model |