CN201688055U - Quick-connection and threaded-connection combined pipe fitting structure - Google Patents
Quick-connection and threaded-connection combined pipe fitting structure Download PDFInfo
- Publication number
- CN201688055U CN201688055U CN2010202121385U CN201020212138U CN201688055U CN 201688055 U CN201688055 U CN 201688055U CN 2010202121385 U CN2010202121385 U CN 2010202121385U CN 201020212138 U CN201020212138 U CN 201020212138U CN 201688055 U CN201688055 U CN 201688055U
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- China
- Prior art keywords
- lining pipe
- threaded
- internal lining
- fittings body
- connection
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- Expired - Fee Related
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Abstract
A quick-connection and thread-connection combined pipe fitting structure consists of a joint body, at least one quick-connection end and a sealing gasket. The joint body is provided with at least one threaded connector connected with an external pipeline, the quick-connection end consists of a joint body, a locking screw sleeve, an inner clamp sleeve and a sealing ring, and the locking screw sleeve is sleeved outside a lining pipe on the joint body and connected with thread at the root of the lining pipe of the joint body through thread. The inner clamp sleeve is sleeved outside the periphery of the front section of the lining tube on the joint body, the front end of the outer wall of the inner clamp sleeve is provided with a conical surface, an external connecting pipe is inserted between the inner peripheral wall of the inner clamp sleeve and the outer periphery of the front section of the lining pipe on the joint body from the front end of the locking screw sleeve, and a conical surface is disposed on the inner wall of the middle section of the locking screw sleeve. The external connecting pipe is locked by aid of deformation of the inner clamp sleeve arranged in the locking screw sleeve so as to realize quick connection between the external connecting pipe and the joint body, and quick connection between the external connecting pipe and a threaded pipe fitting is realized by aid of the threaded connector arranged on the joint body, thereby realizing the quick-connection and thread-connection combined pipe fitting structure.
Description
Technical field:
The utility model relates to pipe transportation technology, relates in particular to pipe joint, particularly a kind of quick connection and the fitting structure that is threaded and makes up.
Background technique:
In the prior art, water pipe adapter is through being usually used in connecting two external connecting pipes, external connecting pipe has different Placements, quick Connector coupling adopts the structure of two conical surface mutual extrusion, in order to realize reliable sealing and to be connected, need the pressure that keeps bigger between the conical surface, cause the nut that has internal conical surface or break straight tube or the outer conical surface member that connects easily like this.In addition, outside utensil need provide the connection pipe fitting that is threaded structure under a lot of occasions, and quick Connector coupling of the prior art can not connect by the matching thread pipe fitting.
Summary of the invention:
The purpose of this utility model is to provide a kind of quick connection and the fitting structure of combination that is threaded, and described this quick connection and the fitting structure of the combination that is threaded will solve the technical problem of the easy outside utensil inipple that leaks, can not be connected of breaking because of pressure of the quick Connector coupling of water pipe in the prior art.
This quick connection of the present utility model be threaded the combination fitting structure by fittings body, at least one quick connection port and seal washer are formed, wherein, be provided with the threaded coupling that at least one is connected with exterior line in the described fittings body, described quick connection port is by fittings body, the locking swivel nut, interior cutting ferrule and seal ring constitute, described locking screw cover is set in outside the internal lining pipe on the fittings body, described fittings body is provided with internal lining pipe, the root of described internal lining pipe is provided with screw thread, locking swivel nut being threaded by screw thread and internal lining pipe root, cutting ferrule is set in outside the circumference of internal lining pipe leading portion in described, the front end of interior cutting ferrule outer wall is provided with conical surface, between the excircle of the inner peripheral wall of cutting ferrule and the internal lining pipe leading portion on the fittings body, the stage casing inwall of locking swivel nut was provided with conical surface in an external connecting pipe was inserted into from the front end of locking swivel nut.
Further, be arranged at intervals with at least two circumferential fins on the excircle of internal lining pipe leading portion.
Further, to be provided with at least two axial sections be zigzag circumferential fin to the inner peripheral wall of interior cutting ferrule.
Further, the fore end outer circumference of the internal lining pipe on the described fittings body is provided with at least one seal ring.
Further, the fore end outer circumference of the internal lining pipe on the described fittings body is provided with the groove of at least one circumferencial direction, is provided with an O RunddichtringO in the described groove.
Working principle of the present utility model is: the external connecting pipe of quick connection port is set in fittings body internal lining pipe front end, locking swivel nut being threaded by the internal lining pipe root on screw thread and the fittings body, external connecting pipe, internal lining pipe on the fittings body and the threaded port on the fittings body are communicated with, seal ring on the fittings body internal lining pipe and external connecting pipe are realized sealing, in be fastened in the extruding distortion down of locking swivel nut internal conical surface, external connecting pipe locking is deviate to prevent it, the threaded coupling that provides on the fittings body can be realized and being connected of external screw-thread, and realize sealing by the seal washer that is provided with.
The utility model and prior art are compared, and its effect is actively with tangible.The utility model utilizes the internal lining pipe on the locking screw cover connection fittings body, utilization is arranged on the distortion locking external connecting pipe of the interior cutting ferrule in the locking swivel nut, thereby realize that external connecting pipe is connected with the quick of fittings body, the threaded coupling that utilizes fittings body to provide, realize that external connecting pipe and the quick of threaded fitting are connected, thereby realize connecting fast and the fitting structure that is threaded and makes up.
Description of drawings:
Fig. 1 is quick connection of the present utility model and the schematic representation of the fitting structure of the combination that is threaded.
Fig. 2 is quick connection of the present utility model and another embodiment's of the fitting structure of the combination that is threaded schematic representation.
Embodiment:
Embodiment 1:
As depicted in figs. 1 and 2, this quick connection of the present utility model and the fitting structure that is threaded and makes up, by a fittings body 2, at least one quick connection port and seal washer 6 are formed, wherein, the threaded coupling that described fittings body 2 provides at least one to be connected with exterior line, described quick connection port is by fittings body 2, locking swivel nut 5, interior cutting ferrule 4 and seal ring 3 constitute, described locking swivel nut 5 is set in outside the internal lining pipe on the fittings body 2, be arranged at intervals with at least two circumferential fins on the excircle of the internal lining pipe leading portion on the fittings body 2, locking swivel nut 5 is threaded by the internal lining pipe root on screw thread and the fittings body 2, and the stage casing inwall of locking swivel nut 5 is provided with conical surface.Cutting ferrule 4 is set in outside the circumference of the internal lining pipe leading portion on the fittings body 2 in described, and it is zigzag fin that the inner peripheral wall of interior cutting ferrule 4 is provided with at least two circumferential, axial sections, and the front end of interior cutting ferrule 4 outer walls is provided with conical surface.In described external connecting pipe 1 is inserted into from the front end of described locking swivel nut 5 between the excircle of the inner peripheral wall of cutting ferrule 4 and the internal lining pipe leading portion on the fittings body 2.Described external screw-thread interface 7 is connected with fittings body 2 by screw thread, is provided with gasket seal between external screw-thread interface 7 and the fittings body 2.
Further, the fore end outer circumference of the internal lining pipe on the described fittings body 2 is provided with at least one seal ring 3.
Further, the fore end outer circumference of the internal lining pipe on the described fittings body 2 is provided with the groove of at least one circumferencial direction, is provided with an O RunddichtringO in the described groove.
In the embodiment shown in fig. 1, the internal lining pipe on the fittings body 2 is 90 degree bendings in the axial direction.
The working procedure of present embodiment is: external connecting pipe 1 is set in the internal lining pipe front end on the fittings body 2, locking swivel nut 5 is connected with internal lining pipe on the fittings body 2 by screw thread, internal lining pipe on external connecting pipe 1, the fittings body 2 and external screw-thread interface 7 are communicated with, interior cutting ferrule 4 is out of shape under the extruding of locking swivel nut 5 internal conical surfaces, external connecting pipe 1 and the internal lining pipe on the fittings body are locked, and the threaded coupling on the fittings body 2 is connected with external screw-thread interface 7.
Claims (3)
1. one kind connects and the fitting structure that is threaded and makes up fast, by fittings body, at least one quick connection port and seal washer are formed, it is characterized in that: be provided with the threaded coupling that at least one is connected with exterior line in the described fittings body, described quick connection port is by fittings body, the locking swivel nut, interior cutting ferrule and seal ring constitute, described locking screw cover is set in outside the internal lining pipe on the fittings body, described fittings body is provided with internal lining pipe, the root of described internal lining pipe is provided with screw thread, locking swivel nut being threaded by screw thread and internal lining pipe root, cutting ferrule is set in outside the circumference of internal lining pipe leading portion in described, the front end of interior cutting ferrule outer wall is provided with conical surface, between the excircle of the inner peripheral wall of cutting ferrule and the internal lining pipe leading portion on the fittings body, the stage casing inwall of locking swivel nut was provided with conical surface in an external connecting pipe was inserted into from the front end of locking swivel nut.
2. quick connection as claimed in claim 1 and the fitting structure that is threaded and makes up, it is characterized in that: the fore end outer circumference of described internal lining pipe is provided with at least one seal ring.
3. quick connection as claimed in claim 1 and the fitting structure that is threaded and makes up, it is characterized in that: the fore end outer circumference of described internal lining pipe is provided with the groove of at least one circumferencial direction, is provided with an O RunddichtringO in the described groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202121385U CN201688055U (en) | 2010-06-01 | 2010-06-01 | Quick-connection and threaded-connection combined pipe fitting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202121385U CN201688055U (en) | 2010-06-01 | 2010-06-01 | Quick-connection and threaded-connection combined pipe fitting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201688055U true CN201688055U (en) | 2010-12-29 |
Family
ID=43376335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202121385U Expired - Fee Related CN201688055U (en) | 2010-06-01 | 2010-06-01 | Quick-connection and threaded-connection combined pipe fitting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201688055U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269306A (en) * | 2010-06-01 | 2011-12-07 | 上海龙胜实业有限公司 | Quick connection and threaded connection combined pipe fitting structure |
-
2010
- 2010-06-01 CN CN2010202121385U patent/CN201688055U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269306A (en) * | 2010-06-01 | 2011-12-07 | 上海龙胜实业有限公司 | Quick connection and threaded connection combined pipe fitting 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: 20101229 Termination date: 20150601 |
|
| EXPY | Termination of patent right or utility model |