CN204420375U - Detachable card sleeve type pipe joint - Google Patents
Detachable card sleeve type pipe joint Download PDFInfo
- Publication number
- CN204420375U CN204420375U CN201420854229.7U CN201420854229U CN204420375U CN 204420375 U CN204420375 U CN 204420375U CN 201420854229 U CN201420854229 U CN 201420854229U CN 204420375 U CN204420375 U CN 204420375U
- Authority
- CN
- China
- Prior art keywords
- cutting ferrule
- ring tooth
- tubing
- tooth cutting
- nut
- 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 discloses a kind of detachable card sleeve type pipe joint, be connected on tubing, the end of tubing is provided with annular groove, also comprises ring tooth cutting ferrule, nut and fittings body, ring tooth cutting ferrule is provided with opening, ring tooth cutting ferrule is c-shaped, and the inwall of ring tooth cutting ferrule is provided with ring tooth, and ring tooth cutting ferrule is arranged on the end of tubing, the inwall of nut is provided with conical surface, conical surface conflict ring tooth cutting ferrule, the end of fittings body is provided with screw thread, and nut is arranged on the end of fittings body.The utility model structure is simple, designs ingenious, is convenient to dismounting, and can reuse after dismounting, is particularly useful for bigbore tubing, under the prerequisite meeting sealing, reduces cost.
Description
Technical field
The utility model relates to a kind of detachable card sleeve type pipe joint, for connecting tubing.
Background technique
Existing Bite type fittings, cutting ferrule inner cutter hole invades pipe, appearance squeezed joint body 24 ° of conical surfaces and form sealing effect.The extruding of cutting ferrule can leave certain plastic deformation on the fittings body conical surface.After dismounting, assembling can not ensure that cutting ferrule and the fittings body conical surface keep original relative position completely again, and again after assembling, amount of deformation originally probably causes leakage.So pipe joint can not reuse after dismounting.Existing Bite type fittings due to cutting ferrule cutting edge invade pipe, so assembling after cannot dismantle cutting ferrule, if need dismounting cutting ferrule can only cut pipeline.It is that the extruding force produced by tightening nut causes that the cutting ferrule cutting edge of existing Bite type fittings invades pipe, in practical set, list is difficult to judge accurately to be screwed into from nut cutting ferrule edge contacts pipe invades pipe certain depth again process to cutting edge from the dynamics of tightening nut, needs the sealing effect that certain assembling experience guarantee is good.Based on this, provide one to be convenient to dismounting, and the pipe joint that can reuse become problem demanding prompt solution.
Model utility content
The purpose of this utility model is, provides a kind of detachable card sleeve type pipe joint, easy removal, and can also continue after dismounting to use, and can not cause waste, mainly be applicable to heavy caliber, high pressure, and the occasion of often dismounting and inconvenience welding.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
A kind of detachable card sleeve type pipe joint, be connected on tubing, the end of tubing is provided with annular groove, also comprise ring tooth cutting ferrule, nut and fittings body, ring tooth cutting ferrule is provided with opening, and ring tooth cutting ferrule is c-shaped, and the inwall of ring tooth cutting ferrule is provided with ring tooth, ring tooth cutting ferrule is arranged on the end of tubing, annular groove is cut into special tool in advance in tubing relevant position, and the inwall of nut is provided with conical surface, conical surface conflict ring tooth cutting ferrule, the end of fittings body is provided with screw thread, and nut is arranged on the end of fittings body.Ring tooth cutting ferrule is fixed on tubing by screw thread, because ring tooth cutting ferrule exists opening, when turn-knob nut, the opening of ring tooth cutting ferrule reduces gradually, and meanwhile, the ring tooth of ring-shaped clamping sleeve and the annular groove of tubing coordinate more closely, ring tooth cutting ferrule is more firmly fixed on tubing, because ring tooth cutting ferrule is provided with opening, the model that this pipe joint is suitable for is more wide in range, strengthens applicability.
In aforesaid detachable card sleeve type pipe joint, ring tooth cutting ferrule is tapered, and structure and the conical surface of ring tooth cutting ferrule adapt.Ring tooth cutting ferrule and conical surface inconsistent, its structure is identical, can improve sealing effect.
In aforesaid detachable card sleeve type pipe joint, the internal diameter of fittings body is less than the external diameter of tubing, and the inwall of the end of fittings body is tapered, and tubing is socketed in the end of fittings body, is provided with seal ring between tubing and fittings body.By arranging seal ring, the sealability of this pipe joint further can be strengthened.
In aforesaid detachable card sleeve type pipe joint, between tubing and fittings body, be provided with back-up ring, back-up ring one end conflict seal ring, the other end conflict ring tooth cutting ferrule.The effect of back-up ring is fixed seal ring, prevents seal ring from moving under the effect of high pressure, enables this pipe joint be applicable to the working environment of high pressure.
In aforesaid detachable card sleeve type pipe joint, the conical surface of nut and the axle center angle of nut are greater than 20 degree, are less than 60 degree.
In aforesaid detachable card sleeve type pipe joint, the conical surface of nut and the axle center angle of nut are 30 degree.
Compared with prior art, the utility model structure is simple, designs ingenious, is convenient to dismounting, and can reuse after dismounting, is particularly useful for bigbore tubing, under the prerequisite meeting sealing, reduces cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the present utility model;
Fig. 2 is the plan view of a kind of embodiment of ring tooth cutting ferrule;
Fig. 3 is the sectional view of Fig. 2.
Reference character: 1-fittings body, 2-nut, 3-seal ring, 4-back-up ring, 5-ring tooth cutting ferrule, 6-conical surface, 7-tubing, 8-opening.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Embodiment
Embodiment 1 of the present utility model: as shown in Figure 1, Figure 2 and Figure 3, a kind of detachable card sleeve type pipe joint, be connected on tubing 7, the end of tubing 7 is provided with annular groove, also comprise ring tooth cutting ferrule 5, nut 2 and fittings body 1, ring tooth cutting ferrule 5 is provided with opening 8, ring tooth cutting ferrule 5 is c-shaped, the inwall of ring tooth cutting ferrule 5 is provided with ring tooth, ring tooth cutting ferrule 5 is arranged on the end of tubing 7, and the inwall of nut 2 is provided with conical surface 6, and conical surface 6 is conflicted ring tooth cutting ferrule 5, the end of fittings body 1 is provided with screw thread, and nut 2 is arranged on the end of fittings body 1.
The internal diameter of fittings body 1 is less than the external diameter of tubing 7, and the inwall of the end of fittings body 1 is tapered, and tubing 7 is socketed in the end of fittings body 1, is provided with seal ring 3 between tubing 7 and fittings body 1.
Back-up ring 4 is provided with, back-up ring 4 one end conflict seal ring 3, the other end conflict ring tooth cutting ferrule 5 between tubing 7 and fittings body 1.
The conical surface 6 of nut 2 is 20 degree with the axle center angle of nut 2.
Embodiment 2: as shown in Figure 1, Figure 2 and Figure 3, a kind of detachable card sleeve type pipe joint, be connected on tubing 7, the end of tubing 7 is provided with annular groove, also comprise ring tooth cutting ferrule 5, nut 2 and fittings body 1, ring tooth cutting ferrule 5 is provided with opening 8, ring tooth cutting ferrule 5 is c-shaped, the inwall of ring tooth cutting ferrule 5 is provided with ring tooth, ring tooth cutting ferrule 5 is arranged on the end of tubing 7, and the inwall of nut 2 is provided with conical surface 6, and conical surface 6 is conflicted ring tooth cutting ferrule 5, the end of fittings body 1 is provided with screw thread, and nut 2 is arranged on the end of fittings body 1.
Ring tooth cutting ferrule 5 is tapered, and structure and the conical surface 6 of ring tooth cutting ferrule 5 adapt.
The internal diameter of fittings body 1 is less than the external diameter of tubing 7, and the inwall of the end of fittings body 1 is tapered, and tubing 7 is socketed in the end of fittings body 1, is provided with seal ring 3 between tubing 7 and fittings body 1.
Back-up ring 4 is provided with, back-up ring 4 one end conflict seal ring 3, the other end conflict ring tooth cutting ferrule 5 between tubing 7 and fittings body 1.
The conical surface 6 of nut 2 is 30 degree with the axle center angle of nut 2.
Embodiment 3: as shown in Figure 1, Figure 2 and Figure 3, a kind of detachable card sleeve type pipe joint, be connected on tubing 7, the end of tubing 7 is provided with annular groove, also comprise ring tooth cutting ferrule 5, nut 2 and fittings body 1, ring tooth cutting ferrule 5 is provided with opening 8, ring tooth cutting ferrule 5 is c-shaped, the inwall of ring tooth cutting ferrule 5 is provided with ring tooth, ring tooth cutting ferrule 5 is arranged on the end of tubing 7, and the inwall of nut 2 is provided with conical surface 6, and conical surface 6 is conflicted ring tooth cutting ferrule 5, the end of fittings body 1 is provided with screw thread, and nut 2 is arranged on the end of fittings body 1.
Ring tooth cutting ferrule 5 is tapered, and structure and the conical surface 6 of ring tooth cutting ferrule 5 adapt.
The internal diameter of fittings body 1 is less than the external diameter of tubing 7, and the inwall of the end of fittings body 1 is tapered, and tubing 7 is socketed in the end of fittings body 1, is provided with seal ring 3 between tubing 7 and fittings body 1.
Back-up ring 4 is provided with, back-up ring 4 one end conflict seal ring 3, the other end conflict ring tooth cutting ferrule 5 between tubing 7 and fittings body 1.
The conical surface 6 of nut 2 is 60 degree with the axle center angle of nut 2.
Working principle of the present utility model: the annular groove of the screw thread of ring tooth cutting ferrule 5 and the end of tubing 7 is meshed, the annular groove of the end of tubing 7 can cut out in advance with special tool.Nut 2 hold-down ring tooth cutting ferrule 5, opening 8 gap of ring tooth cutting ferrule 5 reduces reduced.Back-up ring 4 and the seal ring 3 of nylon material provide seal action, and back-up ring 4 prevents seal under high pressures circle 3 to be extruded, and opening 8 place being provided in ring tooth cutting ferrule 5 is to the support of seal ring 3.Can easy removal after adopting the pipe joint of open type ring tooth cutting ferrule 5 to assemble again.Again can assemble without damage as Sealing after dismounting and not affect sealing effect.Even if tubing is connected with joint to loosen also can ensure reliable sealability.If bad seals, Sealing can be changed very easily.
Claims (6)
1. a detachable card sleeve type pipe joint, be connected on tubing (7), it is characterized in that, the end of tubing (7) is provided with annular groove, also comprise ring tooth cutting ferrule (5), nut (2) and fittings body (1), ring tooth cutting ferrule (5) is provided with opening (8), ring tooth cutting ferrule (5) is c-shaped, the inwall of ring tooth cutting ferrule (5) is provided with ring tooth, ring tooth cutting ferrule (5) is arranged on the end of tubing (7), the inwall of nut (2) is provided with conical surface (6), conical surface (6) conflict ring tooth cutting ferrule (5), the end of fittings body (1) is provided with screw thread, nut (2) is arranged on the end of fittings body (1).
2. detachable card sleeve type pipe joint according to claim 1, is characterized in that, ring tooth cutting ferrule (5) is tapered, and structure and the conical surface (6) of ring tooth cutting ferrule (5) adapt.
3. detachable card sleeve type pipe joint according to claim 1 and 2, it is characterized in that, the internal diameter of fittings body (1) is less than the external diameter of tubing (7), the inwall of the end of fittings body (1) is tapered, tubing (7) is socketed in the end of fittings body (1), is provided with seal ring (3) between tubing (7) and fittings body (1).
4. detachable card sleeve type pipe joint according to claim 3, it is characterized in that, back-up ring (4) is provided with between tubing (7) and fittings body (1), back-up ring (4) one end conflict seal ring (3), the other end conflict ring tooth cutting ferrule (5).
5. detachable card sleeve type pipe joint according to claim 4, is characterized in that, the conical surface (6) of nut (2) and the axle center angle of nut (2) are greater than 20 degree, are less than 60 degree.
6. detachable card sleeve type pipe joint according to claim 5, is characterized in that, the conical surface (6) of nut (2) and the axle center angle of nut (2) are 30 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420854229.7U CN204420375U (en) | 2014-12-29 | 2014-12-29 | Detachable card sleeve type pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420854229.7U CN204420375U (en) | 2014-12-29 | 2014-12-29 | Detachable card sleeve type pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204420375U true CN204420375U (en) | 2015-06-24 |
Family
ID=53470745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420854229.7U Expired - Fee Related CN204420375U (en) | 2014-12-29 | 2014-12-29 | Detachable card sleeve type pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204420375U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443710A (en) * | 2019-09-03 | 2021-03-05 | 大连中和聚能自动控制***有限公司 | Steel pipe joint capable of being independently disassembled and repeatedly used |
| CN116045094A (en) * | 2023-02-06 | 2023-05-02 | 广东智能无人***研究院(南沙) | Be applied to tubular metal resonator and take terminal sealed cutting ferrule structure |
-
2014
- 2014-12-29 CN CN201420854229.7U patent/CN204420375U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443710A (en) * | 2019-09-03 | 2021-03-05 | 大连中和聚能自动控制***有限公司 | Steel pipe joint capable of being independently disassembled and repeatedly used |
| CN116045094A (en) * | 2023-02-06 | 2023-05-02 | 广东智能无人***研究院(南沙) | Be applied to tubular metal resonator and take terminal sealed cutting ferrule 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: 20150624 Termination date: 20181229 |