CN108571628B - Quick connecting structure for water heating pipe fittings - Google Patents
Quick connecting structure for water heating pipe fittings Download PDFInfo
- Publication number
- CN108571628B CN108571628B CN201810231642.0A CN201810231642A CN108571628B CN 108571628 B CN108571628 B CN 108571628B CN 201810231642 A CN201810231642 A CN 201810231642A CN 108571628 B CN108571628 B CN 108571628B
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- CN
- China
- Prior art keywords
- pipe fitting
- diameter
- pipe
- diameter expanding
- groove part
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/002—Sleeves or nipples for pipes of the same diameter; Reduction pieces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
- F16L21/022—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings used with sleeves or nipples for pipes of the same diameter, or with reduction pieces
Abstract
The invention discloses a quick connecting structure of water heating pipe fittings, which comprises: the pipe fitting comprises a first pipe fitting and a second pipe fitting, wherein one end of the first pipe fitting, which is connected with the second pipe fitting, is provided with a first diameter expansion end, and the outer surface of the first diameter expansion end is provided with a first limiting bulge; the end, connected with the first pipe fitting, of the second pipe fitting is provided with a second diameter expanding end, the second diameter expanding end is sleeved outside the first diameter expanding end, and a second limiting bulge is arranged on the outer surface of the second diameter expanding end; the left end of the connecting pipe is sleeved outside the first diameter expanding end, the right end of the connecting pipe is sleeved outside the second diameter expanding end, the structure is simple, and the two pipe fittings are convenient and quick to connect.
Description
Technical Field
The invention relates to a quick connecting structure for water heating pipe fittings, and belongs to the field of water heating pipe fittings.
Background
In the related art, water heating pipe fittings are widely used in life. But in current hot-water heating pipe fitting, the connection between two pipe fittings is comparatively troublesome, and connection efficiency is lower, has greatly influenced user's use and has experienced.
Disclosure of Invention
The invention mainly aims to overcome the defects of the background technology and provide a quick connecting structure for water heating pipe fittings, which has a simple structure and is convenient and quick to connect two pipe fittings.
The above purpose is realized by the following technical scheme:
plumbing pipe fitting quick connect structure includes:
the pipe fitting comprises a first pipe fitting and a second pipe fitting, wherein one end of the first pipe fitting, which is connected with the second pipe fitting, is provided with a first diameter expansion end, and the outer surface of the first diameter expansion end is provided with a first limiting bulge;
the end, connected with the first pipe fitting, of the second pipe fitting is provided with a second diameter expanding end, the second diameter expanding end is sleeved outside the first diameter expanding end, and a second limiting bulge is arranged on the outer surface of the second diameter expanding end;
the left end of the connecting pipe is sleeved outside the first diameter expanding end, the right end of the connecting pipe is sleeved outside the second diameter expanding end, a first annular groove part is formed by outwards protruding from the inner wall of the left end of the connecting pipe, the first limiting protrusion is positioned in the first groove part, a first clamping piece is arranged in the first groove part, one end of the first clamping piece is abutted against the first limiting bulge, the other end of the first clamping piece is abutted against the side wall of the first groove part so as to limit the first pipe fitting in the connecting pipe, a second annular groove part is formed by outwards bulging from the inner wall of the right end of the connecting pipe, the second limiting bulge is positioned in the second groove part, and a second clamping piece is arranged in the second groove part, one end of the second clamping piece is abutted to the second limiting bulge, and the other end of the second clamping piece is abutted to the side wall of the second groove part so as to limit the second pipe fitting in the connecting pipe.
In some embodiments, a first tapered section is disposed between the first tube member and the first expanded diameter end, a second tapered section is disposed between the second tube member and the second expanded diameter end, a left tapered end is formed at a left end of the connecting tube, and a right tapered end is formed at a right end of the connecting tube, wherein the left tapered end is in tight fit with the first tapered section, and the right tapered end is in tight fit with the second tapered section.
In some embodiments, at least one annular groove is formed in an outer surface of the first enlarged diameter end, a seal ring is disposed in the annular groove, and the second enlarged diameter end compresses the seal ring in the annular groove.
In some embodiments, the annular clamping grooves opened on the outer surface of the first expanding end comprise 2 annular clamping grooves which are distributed at intervals.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
1. the quick connecting structure for the water heating pipe fittings is simple in structure, the first pipe fitting and the second pipe fitting are connected conveniently and quickly, and the use experience of a user can be effectively improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
FIG. 1 is a schematic structural view of a quick coupling structure of plumbing pipes in the example.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The first embodiment is as follows: as shown in fig. 1, the present embodiment is a quick coupling structure of a plumbing pipe, including:
the pipe fitting comprises a first pipe fitting 1, wherein a first diameter expanding end 100 is arranged at one end, connected with a second pipe fitting 2, of the first pipe fitting 1, and a first limiting bulge 101 is arranged on the outer surface of the first diameter expanding end 100;
the second pipe fitting 2 is provided with a second diameter expanding end 200 at one end of the second pipe fitting 2 connected with the first pipe fitting 1, the second diameter expanding end 200 is sleeved outside the first diameter expanding end 100, and a second limiting bulge 201 is arranged on the outer surface of the second diameter expanding end 200;
the left end of the connecting pipe 3 is sleeved outside the first diameter expanding end 100, the right end of the connecting pipe 3 is sleeved outside the second diameter expanding end 200, a first annular groove 301 is formed by outwards protruding from the inner wall of the left end of the connecting pipe 3, the first limiting protrusion 101 is positioned in the first groove 301, a first clamping piece 4 is arranged in the first groove 301, one end of the first clamping piece 4 abuts against the first limiting protrusion 101, the other end of the first clamping piece abuts against the side wall of the first groove 301 so as to limit the first pipe fitting 1 in the connecting pipe 3, a second annular groove 302 is formed by outwards protruding from the inner wall of the right end of the connecting pipe 3, the second limiting protrusion 201 is positioned in the second groove 302, a second clamping piece 5 is arranged in the second groove 302, and one end of the second clamping piece 5 abuts against the second limiting protrusion 201, the other end of the second groove portion 302 abuts against the side wall of the second groove portion 302 to define the second pipe member 2 in the connection pipe 3.
The quick connecting structure of the water heating pipe fitting of the embodiment is simple in structure, convenient and quick to connect the first pipe fitting 1 and the second pipe fitting 2, and capable of effectively improving use experience of users. In addition, the connection between the first pipe fitting 1 and the second pipe fitting 2 is more reliable, the first pipe fitting 1 and the second pipe fitting 2 are not easy to axially move, and the use reliability of the water heating pipe fitting can be further ensured.
Further, a first tapered section 102 is arranged between the first pipe fitting 1 and the first diameter-expanding end 100, a second tapered section 202 is arranged between the second pipe fitting 2 and the second diameter-expanding end 200, a left reduced-diameter end 303 is formed at the left end of the connecting pipe 3, and a right reduced-diameter end 304 is formed at the right end of the connecting pipe 3, wherein the left reduced-diameter end 303 is tightly matched with the first tapered section 102, and the right reduced-diameter end 304 is tightly matched with the second tapered section 202, so that the reliability and firmness of connection between the first pipe fitting 1 and the second pipe fitting 2 can be improved, and axial movement of the first pipe fitting 1 and the second pipe fitting 2 is effectively avoided.
Further, at least one annular clamping groove 103 is formed in the outer surface of the first diameter expanding end 100, a sealing ring 4 is arranged in the annular clamping groove 103, and the second diameter expanding end 200 presses the sealing ring 4 in the annular clamping groove 103, so that the sealing performance of connection between the first pipe fitting 1 and the second pipe fitting 2 can be effectively improved, and the leakage situation is avoided.
Further, the annular clamping grooves 103 formed in the outer surface of the first diameter-expanding end 100 are distributed at intervals, so that the sealing between the first pipe fitting 1 and the second pipe fitting 2 can be further improved, and the leakage situation is effectively avoided.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (3)
1. Hot-water heating pipe fitting quick connect structure, its characterized in that includes:
the pipe fitting comprises a first pipe fitting and a second pipe fitting, wherein one end of the first pipe fitting, which is connected with the second pipe fitting, is provided with a first diameter expansion end, and the outer surface of the first diameter expansion end is provided with a first limiting bulge;
the end, connected with the first pipe fitting, of the second pipe fitting is provided with a second diameter expanding end, the second diameter expanding end is sleeved outside the first diameter expanding end, and a second limiting bulge is arranged on the outer surface of the second diameter expanding end;
the left end of the connecting pipe is sleeved outside the first diameter expanding end, the right end of the connecting pipe is sleeved outside the second diameter expanding end, a first annular groove part is formed by outwards protruding from the inner wall of the left end of the connecting pipe, the first limiting protrusion is positioned in the first groove part, a first clamping piece is arranged in the first groove part, one end of the first clamping piece is abutted against the first limiting bulge, the other end of the first clamping piece is abutted against the side wall of the first groove part so as to limit the first pipe fitting in the connecting pipe, a second annular groove part is formed by outwards bulging from the inner wall of the right end of the connecting pipe, the second limiting bulge is positioned in the second groove part, a second clamping piece is arranged in the second groove part, one end of the second clamping piece is abutted against the second limiting bulge, and the other end of the second clamping piece is abutted against the side wall of the second groove part so as to limit the second pipe fitting in the connecting pipe;
the pipe fitting comprises a first pipe fitting and a second pipe fitting, and is characterized in that a first inclined diameter section is arranged between the first pipe fitting and the first diameter expanding end, a second inclined diameter section is arranged between the second pipe fitting and the second diameter expanding end, a left reducing end is formed at the left end of the connecting pipe, and a right reducing end is formed at the right end of the connecting pipe, wherein the left reducing end is tightly matched with the first inclined diameter section, and the right reducing end is tightly matched with the second inclined diameter section.
2. The quick coupling structure of water heating pipe as claimed in claim 1, wherein at least one ring groove is formed on an outer surface of the first enlarged diameter end, a sealing ring is disposed in the ring groove, and the second enlarged diameter end presses the sealing ring into the ring groove.
3. The quick-connection structure of water heating pipe fittings according to claim 2, wherein the annular clamping grooves formed on the outer surface of the first expanded diameter end comprise 2 annular clamping grooves which are distributed at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810231642.0A CN108571628B (en) | 2018-03-20 | 2018-03-20 | Quick connecting structure for water heating pipe fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810231642.0A CN108571628B (en) | 2018-03-20 | 2018-03-20 | Quick connecting structure for water heating pipe fittings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108571628A CN108571628A (en) | 2018-09-25 |
| CN108571628B true CN108571628B (en) | 2020-02-28 |
Family
ID=63574497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810231642.0A Active CN108571628B (en) | 2018-03-20 | 2018-03-20 | Quick connecting structure for water heating pipe fittings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108571628B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1373776A1 (en) * | 2001-03-15 | 2004-01-02 | David George Stark | Swivel device for hoses |
| DE102008018426A1 (en) * | 2008-04-10 | 2009-10-15 | Mahle International Gmbh | coupling device |
| DE102011009230B4 (en) * | 2011-01-22 | 2014-11-27 | Norma Germany Gmbh | Connecting arrangement and method for producing a connection arrangement |
| CN103557385B (en) * | 2013-10-25 | 2015-07-22 | 青岛速合连接技术有限公司 | Pipeline connector |
| CN104089116A (en) * | 2014-07-17 | 2014-10-08 | 李小红 | Pipe fitting connector |
-
2018
- 2018-03-20 CN CN201810231642.0A patent/CN108571628B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108571628A (en) | 2018-09-25 |
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