CN209743820U - Quick joint for floor heating pipe - Google Patents
Quick joint for floor heating pipe Download PDFInfo
- Publication number
- CN209743820U CN209743820U CN201920576331.8U CN201920576331U CN209743820U CN 209743820 U CN209743820 U CN 209743820U CN 201920576331 U CN201920576331 U CN 201920576331U CN 209743820 U CN209743820 U CN 209743820U
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- CN
- China
- Prior art keywords
- locking
- annular
- ring
- pipe
- positioning
- 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 quick joint used on a floor heating pipe, which comprises a joint body and a locking nut which are connected by screw thread, and a connecting pipe fitting is arranged between the joint body and the locking nut, and one end of the joint body is respectively provided with an annular pipe fitting butting groove and an annular positioning groove; the connecting pipe fitting comprises an opening retainer ring, a positioning lock ring and a locking spring, and a locking pushing step is arranged on the locking nut; two ends of the opening retainer ring are respectively provided with a first locking inclined surface, and a second locking inclined surface is respectively arranged on the locking pushing step and the positioning lock ring; an inner scale clamping pipe is arranged in the joint body, and an annular positioning boss is arranged on the inner scale clamping pipe. The utility model discloses the effectual locking nut that prevents causes the opening rand to appear warping when twisting too much, the threaded connection department between locking nut and the three-way valve mouth of pipe takes place the condition that the screw thread was bitten, effectively avoids the too much locking force of opening rand to cause the condition that the mouth of pipe warp, further guarantees the firm nature that quick-operation joint reconnection used simultaneously.
Description
Technical Field
The utility model relates to a three-way valve technical field especially relates to a quick-operation joint for on ground heating coil.
Background
The quick connector is a commonly used connector in the connection of the floor heating pipes, and comprises an opening clamping ring and a locking nut, wherein the locking nut is in threaded connection with a pipe orifice of the valve body, and the opening clamping ring is shrunk mainly by screwing the locking nut, so that the opening clamping ring locks the pipeline; in order to ensure that the connection between a pipeline and a three-way valve is firm in the use process of the existing quick connector, the locking nut is often screwed too much when being screwed, most directly, the opening clamping ring is deformed, the connection and the locking are easy to loose when the pipeline is locked again after being disassembled, and the deformation of a pipe orifice which is correspondingly connected is easy to cause by the excessive locking force of the opening clamping ring, so that the flow of fluid in the pipe is influenced; and moreover, the locking nut is screwed too much, so that the threaded connection between the locking nut and the pipe orifice of the three-way valve is easily bitten by threads, and the pipeline is not firm when being locked again after being disassembled.
Disclosure of Invention
The utility model provides a solve above defect and provide a quick-operation joint for on ground heating coil, effectually prevent that lock nut from causing the opening rand to appear warping, the threaded connection department between lock nut and the three-way valve mouth of pipe takes place the condition that the screw thread was bitten when twisting and rotating too much, effectively avoids the too much locking force of opening rand to cause the condition that the mouth of pipe warp, further guarantees the firm nature that quick-operation joint reconnection used simultaneously.
In order to solve the technical problem, the utility model adopts the technical scheme that: a quick joint for a floor heating pipe comprises a joint body and a locking nut, wherein the joint body is in threaded connection with the locking nut, a connecting pipe fitting is arranged between the joint body and the locking nut, and one end of the joint body, which is connected with the locking nut, is provided with an annular pipe fitting abutting groove and an annular positioning groove respectively; the connecting pipe fitting comprises an opening clamping ring, a positioning locking ring and a locking spring, a locking pushing step is arranged on the locking nut, the positioning locking ring is positioned between the opening clamping ring and the locking spring, one end of the locking spring is abutted against the positioning locking ring, the other end of the locking spring is abutted against the annular pipe fitting abutting groove, and two ends of the opening clamping ring are respectively abutted against the locking pushing step and the positioning locking ring; two ends of the opening clamping ring are respectively provided with a first locking inclined plane, and a second locking inclined plane corresponding to the first locking inclined plane is respectively arranged on the locking pushing step and the positioning locking ring; the connector is characterized in that an inner scale clamping pipe is arranged in the connector body, and an annular positioning boss capable of being abutted against the annular positioning groove is arranged on the inner scale clamping pipe.
The annular positioning groove is provided with an annular sealing groove I, and the annular sealing groove I is provided with a sealing gasket.
And an annular sealing groove II is formed in the inner weighing clamping pipe, and an O-shaped sealing ring is arranged in the annular sealing groove II.
And the position of the second annular sealing groove corresponds to the position of the opening retainer ring.
The inner diameter of the locking spring is equal to that of the annular pipe fitting abutting groove.
The annular pipe fitting abutting groove is provided with a PTFE filler abutted against the locking spring.
The utility model discloses following beneficial effect has:
Compared with the prior art, when the pipeline is connected, the locking nut is screwed, the locking spring can keep supporting elasticity for the positioning lock ring, so that the two ends of the opening clamping ring are respectively pushed and contracted by the positioning lock ring and the lock pushing step on the locking nut, and the opening clamping ring is locked and fixed on the pipeline; because the positioning lock ring on one side of the opening clamping ring is pushed by the supporting elastic force of the locking spring, once the locking nut is screwed too much in the installation and connection process, the excessive deformation thrust force of the opening clamping ring caused by the excessive locking nut can act on the locking spring through the positioning lock ring, so that the situations that the opening clamping ring is deformed and the thread at the threaded connection part between the locking nut and the pipe orifice of the three-way valve is bitten are effectively avoided; but acts on the locking spring and can keep reversely acting on the positioning locking ring, thereby further ensuring the locking of the opening clamping ring to the connecting pipeline.
Compared with the prior art, the utility model discloses call the card pipe to play the supporting role to pipeline inner wall when connecting tube, effectively avoid the too much locking force of opening rand to cause connecting tube's the mouth of pipe to appear warping, and then influence the condition of the fluid flow in the pipeline.
Drawings
Fig. 1 is a schematic sectional structure of the present invention.
Detailed Description
The invention is further explained by combining the attached drawings.
Referring to fig. 1, the utility model provides a quick coupling for a floor heating pipe, which comprises a coupling body 1 and a locking nut 2, wherein the coupling body 1 is in threaded connection with the locking nut 2, a connecting pipe is arranged between the coupling body 1 and the locking nut 2, and one end of the coupling body 1 connected with the locking nut 2 is respectively provided with an annular pipe abutting groove 3 and an annular positioning groove 4; the connecting pipe fitting comprises an opening clamping ring 5, a positioning locking ring 6 and a locking spring 7, a locking pushing step 8 is arranged on the locking nut 2, the positioning locking ring 6 is positioned between the opening clamping ring 5 and the locking spring 7, one end of the locking spring 7 is abutted against the positioning locking ring 6, the other end of the locking spring 7 is abutted against the annular pipe fitting abutting groove 3, and two ends of the opening clamping ring 5 are respectively abutted against the locking pushing step 8 and the positioning locking ring 6; two ends of the opening clamping ring 5 are respectively provided with a first locking inclined plane 9, and a second locking inclined plane 10 corresponding to the first locking inclined plane 9 is respectively arranged on the locking pushing step 8 and the positioning locking ring 6; connect and be provided with interior card pipe 11 in the body 1, be provided with annular location boss 12 that can with annular positioning groove 4 butt on interior card pipe 11, interior card pipe 11 matches in the pipeline that connects, and annular location boss 12 prevents that it from taking place to remove in the pipeline on interior card pipe 11.
An annular sealing groove I13 is formed in the annular positioning groove 4, and a sealing gasket 14 is arranged in the annular sealing groove I13; when in connection, the annular positioning boss 12 on the inner clamping tube 11 is abutted against the sealing gasket 14, thereby improving the sealing property of the pipeline connection.
An annular sealing groove II 15 is formed in the inner weighing and clamping pipe 11, and an O-shaped sealing ring 16 is arranged in the annular sealing groove II 15; thereby ensuring the tightness between the inner wall of the connected pipeline 18 and the inner clamping pipe 11.
The position of the second annular sealing groove 15 corresponds to that of the opening clamping ring 5, and after the pipeline is fixed, the locking force on the opening clamping ring 5 can enable the inner wall of the connected pipeline 18 to be tightly attached to the O-shaped sealing ring 16.
The internal diameter of locking spring 7 equals with the internal diameter of annular pipe fitting butt joint groove 3, makes locking spring 7's one end pass through annular pipe fitting butt joint groove 3 and realizes the location, prevents that locking spring 7 from appearing the extrusion when compressed and removing.
The annular pipe fitting abutting groove 3 is provided with a PTFE packing 17 abutted to the locking spring 7, and the sealing performance of the connection of the pipeline 18 is better guaranteed.
The utility model discloses an installation theory of use as follows:
When the pipeline connection is carried out, as shown in fig. 1, the inner weighing clamping pipe 11 is placed into the pipeline 18, and then the pipeline 18 is installed in the annular positioning groove 4 of the joint body 1, so that two sides of the annular positioning boss 12 on the inner weighing clamping pipe 11 are respectively abutted against the annular sealing gasket 14 and the end part of the pipeline 18; the locking nut 2 is screwed, the locking pushing step 8 on the locking nut 2 pushes the opening clamping ring 5, the opening clamping ring 5 pushes the positioning locking ring 6, the positioning locking ring 6 compresses the locking spring 7, and the locking spring 7 is compressed to generate reverse thrust on the positioning locking ring 6, so that two ends of the opening clamping ring 5 are pushed by the locking pushing step 8 and the positioning locking ring 6 to be contracted, and the opening clamping ring 5 is used for locking and fixedly connecting connected with connected pipelines; in the process of locking the pipeline, the locking nut 2 is screwed to cause the thrust generated by the locking pushing step 8 to act on the locking spring 7 through the positioning locking ring 6, so that the deformation of the opening clamping ring 5 caused by overlarge locking thrust is effectively avoided.
The above detailed description is made on the quick coupling for a floor heating pipe provided by the embodiment of the present invention, and the principle and the implementation mode of the present invention are explained by applying the specific examples herein, and the description of the above embodiments is only used to help understanding the technical solution disclosed by the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (6)
1. the utility model provides a quick-operation joint for on ground heating coil, includes and connects body, lock nut, its characterized in that: the joint body is in threaded connection with the locking nut, a connecting pipe fitting is arranged between the joint body and the locking nut, and an annular pipe fitting abutting groove and an annular positioning groove are respectively formed in one end, connected with the locking nut, of the joint body; the connecting pipe fitting comprises an opening clamping ring, a positioning locking ring and a locking spring, a locking pushing step is arranged on the locking nut, the positioning locking ring is positioned between the opening clamping ring and the locking spring, one end of the locking spring is abutted against the positioning locking ring, the other end of the locking spring is abutted against the annular pipe fitting abutting groove, and two ends of the opening clamping ring are respectively abutted against the locking pushing step and the positioning locking ring; two ends of the opening clamping ring are respectively provided with a first locking inclined plane, and a second locking inclined plane corresponding to the first locking inclined plane is respectively arranged on the locking pushing step and the positioning locking ring; the connector is characterized in that an inner scale clamping pipe is arranged in the connector body, and an annular positioning boss capable of being abutted against the annular positioning groove is arranged on the inner scale clamping pipe.
2. A quick coupling for a floor heating pipe as claimed in claim 1, wherein: the annular positioning groove is provided with an annular sealing groove I, and the annular sealing groove I is provided with a sealing gasket.
3. A quick coupling for a floor heating pipe as claimed in claim 1, wherein: and an annular sealing groove II is formed in the inner weighing clamping pipe, and an O-shaped sealing ring is arranged in the annular sealing groove II.
4. A quick coupling for a floor heating pipe as set forth in claim 3, wherein: and the position of the second annular sealing groove corresponds to the position of the opening retainer ring.
5. A quick coupling for a floor heating pipe as claimed in claim 1, wherein: the inner diameter of the locking spring is equal to that of the annular pipe fitting abutting groove.
6. A quick coupling for a floor heating pipe as claimed in claim 1, wherein: the annular pipe fitting abutting groove is provided with a PTFE filler abutted against the locking spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920576331.8U CN209743820U (en) | 2019-04-25 | 2019-04-25 | Quick joint for floor heating pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920576331.8U CN209743820U (en) | 2019-04-25 | 2019-04-25 | Quick joint for floor heating pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209743820U true CN209743820U (en) | 2019-12-06 |
Family
ID=68721805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920576331.8U Expired - Fee Related CN209743820U (en) | 2019-04-25 | 2019-04-25 | Quick joint for floor heating pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209743820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536334A (en) * | 2020-04-29 | 2020-08-14 | 浙江正同管业有限公司 | High-strength spinning pipe fitting |
-
2019
- 2019-04-25 CN CN201920576331.8U patent/CN209743820U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536334A (en) * | 2020-04-29 | 2020-08-14 | 浙江正同管业有限公司 | High-strength spinning pipe fitting |
| CN111536334B (en) * | 2020-04-29 | 2022-02-08 | 浙江正同管业有限公司 | High-strength spinning pipe fitting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 Termination date: 20210425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |