CN109253336B - Quick joint for metal pipe - Google Patents
Quick joint for metal pipe Download PDFInfo
- Publication number
- CN109253336B CN109253336B CN201811199340.6A CN201811199340A CN109253336B CN 109253336 B CN109253336 B CN 109253336B CN 201811199340 A CN201811199340 A CN 201811199340A CN 109253336 B CN109253336 B CN 109253336B
- Authority
- CN
- China
- Prior art keywords
- sealing
- quick
- sleeve
- cavity
- locking
- 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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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
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/088—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a split elastic ring
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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
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
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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
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/091—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a ring provided with teeth or fingers
Abstract
The invention relates to a metal pipe quick joint, which comprises a quick joint body, wherein the quick joint body comprises an intermediate connecting part and an end part, the end part inwards comprises a locking cavity and a sealing cavity from a port, the locking cavity and the sealing cavity are transited through a step structure, the sealing cavity and the intermediate connecting part are also transited through the step structure, a port of the locking cavity is provided with a beam opening, the inner diameter of the beam opening is slightly larger than the outer diameter of a pipeline, and the sealing cavity is provided with a sealing ring; the quick connector comprises a quick connector body, a locking cavity is arranged in the quick connector body, a limiting fixer is arranged in the locking cavity, an engaging piece is arranged on the inner side of the limiting fixer, two locking structures are arranged on the engaging piece, an inclined surface for tightening the engaging piece is arranged on the inner wall of the limiting fixer, and an outer sealing sleeve is further sleeved on the quick connector body wrapping portion.
Description
Technical Field
The invention relates to a quick joint, in particular to a quick joint for a metal pipe.
Background
The notice number is: CN 204358309U discloses a locking type quick coupling, which comprises a first sealing element and an elastic device arranged in the quick coupling, and further comprises a second sealing element arranged between the first sealing element and the elastic device; the elastic device is a wave spring, a bushing connected with the second sealing element is arranged in the quick joint, a retaining sleeve is arranged in the bushing, and a locking piece is arranged on the retaining sleeve; the elastic device is arranged in the lining and connected with the retaining sleeve.
At present, the metal pipe is locked by the locking part in the retaining sleeve, the locking force of the locking part is provided by the elastic device, once the locking force is insufficient, the problem of water leakage is likely to occur at the position of the metal pipe, and the reliability is to be improved.
Summary of the invention
The invention aims to provide a quick joint for a metal pipe, which is characterized in that the structure of a biting and grabbing piece is improved, the biting and grabbing piece is an annular piece with an opening, one end of the biting and grabbing piece is provided with a clamping claw, the outer wall of the other end of the biting and grabbing piece is provided with an annular positioning seat, the inner wall of the middle part of the biting and grabbing piece is provided with a clamping tooth, and an elastic positioning piece is arranged between the biting and grabbing piece and a limiting and fixing device and positioned at the outer side of the biting and grabbing piece.
The following technical scheme is adopted for achieving the purpose:
the utility model provides a tubular metal resonator quick-operation joint, includes the quick-operation joint body, and the quick-operation joint body includes intermediate junction portion and tip, its characterized in that: the end part comprises a locking cavity and a sealing cavity from the port to the inside respectively, the locking cavity and the sealing cavity are in transition through a step structure, the sealing cavity and the middle connecting part are in transition through the step structure, the port of the locking cavity is provided with a beam opening, the inner diameter of the beam opening is slightly larger than the outer diameter of the pipeline, and the sealing cavity is provided with a sealing ring; the locking intracavity be provided with spacing fixer, spacing fixer inboard is provided with bites and grabs the piece, bites and sets up twice locking structure on grabbing the piece, spacing fixer inner wall be provided with and make to sting the inclined plane that the piece tightened up of grabbing, bite and still be provided with the elastic locator between piece and the spacing fixer to the elastic locator is in the outside of stinging the piece of grabbing, and elastic locator 4 is in the outside of stinging the piece of grabbing and keeps stinging the effort of grabbing to the port direction.
The quick connector comprises a quick connector body, a quick connector body and a connecting sleeve, wherein the quick connector body is sleeved with the quick connector body, the quick connector body is sleeved with an outer sleeve, the outer sleeve comprises a sleeve body and a connecting threaded sleeve, the sleeve body comprises a sealing seat and a connecting sleeve, a sealing ring is arranged on the inner side of the sealing seat, the inner diameter of the sealing ring is matched with the outer diameter of a water pipe, one end of the connecting sleeve is connected with the sealing seat into a whole, and the; the outer diameter of the end part bulge of the quick joint is larger than the outer diameter of the middle part of the quick joint, a step structure is formed between the end part and the middle part, and the connecting sleeve can wrap the end part integrally.
The connecting threaded sleeve is formed by combining split petals, the inner diameter of the combined connecting threaded sleeve is slightly larger than the outer diameter of the middle part of the quick connector and smaller than the outer diameter of the protruding end part, and an external thread connected with the connecting part is arranged at one end of the connecting threaded sleeve.
The sealing seat comprises an outer groove wall, an inner groove wall and a containing groove, the outer groove wall is higher than the inner groove wall, the sealing ring comprises a containing part, an inner sealing part and a lateral sealing part, the containing part is contained in the containing groove and used for fixing the sealing ring, the inner diameter of the inner sealing part is matched with the outer diameter of the water pipe, and the lateral sealing part wraps the edge of the inner groove wall.
The invention adopts the biting and grabbing piece with the opening, the biting and grabbing piece is automatically tightened by matching with the outer inclined plane and the inner inclined plane of the inner wall of the outer fixer and the inner fixer under the action of the spring, so that the quick connector locks the pipeline.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a perspective view of a bite block of the present invention;
fig. 3 is a schematic structural view of the invention with an outer sealing sleeve.
Detailed Description
As shown in fig. 1 and 2, a quick joint for metal pipes comprises a quick joint body 1, wherein the quick joint body 1 comprises an intermediate connecting part and a tip part, and is characterized in that: the end part comprises a locking cavity 11 and a sealing cavity 12 from the port to the inside respectively, the locking cavity 11 and the sealing cavity 12 are in transition through a step structure, the sealing cavity 12 and the middle connecting part are in transition through a step structure, a beam opening 13 is arranged at the port of the locking cavity 11, the inner diameter of the beam opening 13 is slightly larger than the outer diameter of the pipeline 9, and a sealing ring 3 is arranged in the sealing cavity 12; locking chamber 11 in be provided with spacing fixer 2, 2 inboard sides of spacing fixer are provided with and sting and grab 5, sting and grab and set up twice locking structure on 5, 2 inner walls of spacing fixer be provided with and make and sting the inclined plane that 5 tightened up, sting and still be provided with elastic positioning ware 4 between grabbing 5 and the spacing fixer 2 to elastic positioning ware 4 is in and stings the outside of grabbing 5 and keeps stinging the effort of grabbing 5 to the port direction.
The biting and grabbing piece 5 is an annular piece with an opening 51, one end of the biting and grabbing piece 5 is provided with a plurality of clamping claws 52, the outer wall of the other end of the biting and grabbing piece is provided with an annular positioning seat 53, and the inner wall of the middle part or the other end of the biting and grabbing piece is provided with a plurality of clamping teeth 55.
The limiting fixer 2 comprises an outer fixer 21 and an inner fixer 22, one end of the outer fixer 21 is in contact with the beam port 13, the other end of the outer fixer is connected with the inner fixer 22, the other end of the inner fixer 22 is abutted against a step between the locking cavity 11 and the sealing cavity 12, an outer inclined surface 23 is arranged on the inner wall of the outer fixer 21, an inner inclined surface 25 is arranged on the inner wall of the inner fixer 22, the outer inclined surface 23 is matched with the outer edge of the annular positioning seat 53, and the inner inclined surface 25 is matched with the outer edge of the clamping claw 52.
The elastic positioner 4 is a spring, one end of the spring is accommodated in the annular positioning seat 53, and the other end of the spring is pressed against the end face of the internal fixer 22.
The port of the locking cavity 11 is also provided with a discharging sleeve 6, one end part of the discharging sleeve 6 is outwards bent to form a discharging tube end surface 61, and the discharging tube end surface 61 is accommodated in the external fixer 21 and matched with the end surface of the gripping piece 5.
One side of the sealing ring 3 is blocked by the step between the sealing cavity 12 and the middle connecting part, and the other side is blocked by the clamping claw 52.
Compared with the existing quick connector, the quick connector is mainly characterized in that a double-locking structure is adopted, and meanwhile, the elastic positioner 4 is positioned outside the biting member 5 but not at the end part, so that the internal structure is more reasonable, the elastic positioner 4 has a sufficient deformation space, the problem of jamming is avoided, and the reliability of the product is improved; the double locking is realized by the clamping claw 52, the clamping teeth 55 and the inner and outer inclined planes under the action of the elastic positioner 4, the locking stability is better, and the invention has the characteristics of reasonable structure, good locking effect, reliability and stability.
As shown in fig. 3, an outer jacket 8 is further sleeved outside the quick coupling body 1, and the quick coupling is characterized in that: the outer sealing sleeve 8 comprises a sleeve body 81 and a connecting threaded sleeve 82, the sleeve body 81 comprises a sealing seat 83 and a connecting sleeve 84, a sealing ring 85 is arranged on the inner side of the sealing seat 83, the inner diameter of the sealing ring 85 is matched with the outer diameter of the water pipe 9, one end of the connecting sleeve 84 is connected with the sealing seat 83 into a whole, and a connecting part 86 connected with the connecting threaded sleeve 82 is arranged at the port of the other end of the connecting sleeve 84; the outer diameter of the end part of the quick joint body 1 is larger than the outer diameter of the middle part of the quick joint body, a step structure is formed between the end part and the middle part, and the connecting sleeve 84 can wrap the end part integrally.
The connecting threaded sleeve 82 is formed by combining split petals, the inner diameter of the combined connecting threaded sleeve is slightly larger than the outer diameter of the middle part of the quick connector body and smaller than the outer diameter of the protruding end part, and an external thread 87 connected with the connecting part is arranged at one end of the connecting threaded sleeve 82.
The sealing seat 83 comprises an outer groove wall 831, an inner groove wall 832 and an accommodating groove, the outer groove wall 831 is higher than the inner groove wall 832, the sealing ring 85 comprises an accommodating part 851, an inner sealing part 852 and a lateral sealing part 853, the accommodating part 851 is accommodated in the accommodating groove and used for fixing the sealing ring 85, the inner diameter of the inner sealing part 852 is matched with the outer diameter of the water pipe 9, and the lateral sealing part 853 wraps the inner groove wall 832 along the opening.
When the quick connector is used, the sleeve body 81 is sleeved on the water pipe 9, then the water pipe 9 is connected with the quick connector body 1 in an inserting mode, the connecting threaded sleeve 82 is combined and connected with the sleeve body 81 after connection is completed, and along with screwing of the connecting threaded sleeve 82, the inner sealing portion 852 and the lateral sealing portion 853 of the sleeve body 81 respectively form sealing with the water pipe and the end face of the quick connector.
Claims (3)
1. The utility model provides a tubular metal resonator quick-operation joint, includes quick-operation joint body (1), quick-operation joint body (1) includes intermediate junction portion and tip, its characterized in that: the end part comprises a locking cavity (11) and a sealing cavity (12) from the port to the inside respectively, the locking cavity (11) and the sealing cavity (12) are transited through a step structure, the sealing cavity (12) and the middle connecting part are also transited through the step structure, the port of the locking cavity (11) is provided with a beam opening (13), the inner diameter of the beam opening (13) is slightly larger than the outer diameter of the pipeline (9), and the sealing cavity (12) is provided with a sealing ring (3); a limiting fixer (2) is arranged in the locking cavity (11), an occluding part (5) is arranged on the inner side of the limiting fixer (2), two locking structures are arranged on the occluding part (5), an inclined plane for tightening the occluding part (5) is arranged on the inner wall of the limiting fixer (2), an elastic positioner (4) is arranged between the occluding part (5) and the limiting fixer (2), and the elastic positioner (4) is positioned on the outer side of the occluding part (5) and keeps acting force on the occluding part (5) towards the direction of the port; the quick connector comprises a quick connector body (1), and is characterized in that an outer sealing sleeve (8) is further sleeved outside the quick connector body (1), the outer sealing sleeve (8) comprises a sleeve body (81) and a connecting threaded sleeve (82), the sleeve body (81) comprises a sealing seat (83) and a connecting sleeve (84), a sealing ring (85) is arranged on the inner side of the sealing seat (83), the inner diameter of the sealing ring (85) is matched with the outer diameter of a water pipe (9), one end of the connecting sleeve (84) is connected with the sealing seat (83) into a whole, and the port of the other end of the connecting sleeve (84) is provided with a connecting part (86); the protruding external diameter of quick-operation joint body (1) tip be greater than the external diameter in quick-operation joint body (1) middle part, form the stair structure between tip and the middle part, adapter sleeve (84) can wrap up the tip is whole.
2. The quick metal pipe joint as set forth in claim 1, wherein: the connecting threaded sleeve (82) is formed by combining split petals, the inner diameter of the connecting threaded sleeve after combination is slightly larger than the outer diameter of the middle part of the quick connector body (1) and smaller than the outer diameter of the protruding end part, and an external thread (87) connected with the connecting part is arranged at one end of the connecting threaded sleeve (82).
3. The quick metal pipe joint as set forth in claim 2, wherein: seal receptacle (83) include outer cell wall (831), interior cell wall (832) and storage tank, outer cell wall (831) highly be greater than interior cell wall (832), sealing washer (85) including holding portion (851), interior sealing (852) and side direction sealing (853), holding portion (851) holding is used for fixed seal circle (85) in the storage tank, interior sealing (852) internal diameter and water pipe (9) external diameter phase-match, side direction sealing (853) are with interior cell wall (832) along mouthful parcel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811199340.6A CN109253336B (en) | 2016-12-31 | 2016-12-31 | Quick joint for metal pipe |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811199340.6A CN109253336B (en) | 2016-12-31 | 2016-12-31 | Quick joint for metal pipe |
| CN201611268125.8A CN106764180B (en) | 2016-12-31 | 2016-12-31 | A kind of quick joint for metal pipes |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611268125.8A Division CN106764180B (en) | 2016-12-31 | 2016-12-31 | A kind of quick joint for metal pipes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109253336A CN109253336A (en) | 2019-01-22 |
| CN109253336B true CN109253336B (en) | 2020-03-31 |
Family
ID=58952628
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811199340.6A Expired - Fee Related CN109253336B (en) | 2016-12-31 | 2016-12-31 | Quick joint for metal pipe |
| CN201611268125.8A Active CN106764180B (en) | 2016-12-31 | 2016-12-31 | A kind of quick joint for metal pipes |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611268125.8A Active CN106764180B (en) | 2016-12-31 | 2016-12-31 | A kind of quick joint for metal pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN109253336B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307406A (en) * | 2019-06-28 | 2019-10-08 | 邓权塑业科技（湖南）有限公司 | A kind of super-silent drainpipe and its production technology |
| CN110778827B (en) * | 2019-12-06 | 2024-01-19 | 上汽红岩车桥(重庆)有限公司 | Quick-change connector for sealing and inflating unthreaded hole |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19902676A1 (en) * | 1998-01-30 | 1999-08-05 | Flamco Bv | Two-part conduit union for water, gas or powder with shutoff valve |
| JP2006258145A (en) * | 2005-03-15 | 2006-09-28 | Tokai Rubber Ind Ltd | Air bleeding pipe joint |
| CN104364571A (en) * | 2012-09-10 | 2015-02-18 | 柯凯利特塑料品集团公司 | Plug-in coupling for a pipe, in particular for water conduits |
| CN204358309U (en) * | 2014-12-22 | 2015-05-27 | 浙江雨龙管业科技有限公司 | A kind of locking rapid pipe joint |
| CN205136871U (en) * | 2015-10-30 | 2016-04-06 | 郑仕杰 | Tap connecting piece |
| CN105829787A (en) * | 2014-04-03 | 2016-08-03 | 霓达株式会社 | Pipe joint for use in narrow spaces |
| CN106195489A (en) * | 2011-08-30 | 2016-12-07 | 森田控股有限公司 | The combination accessory of fire hose |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4009896A (en) * | 1976-05-10 | 1977-03-01 | General Motors Corporation | Quick connect coupling |
| EP2567135B2 (en) * | 2010-05-04 | 2022-08-10 | Norma U.S. Holding LLC | Connector assembly |
| DE102011121089B4 (en) * | 2011-12-15 | 2019-05-23 | Schell Gmbh & Co. Kg | Device for holding and sealing a pipe |
| CN204420414U (en) * | 2015-01-19 | 2015-06-24 | 宁波华平金属制品有限公司 | Lead-free reflow quickly jointed tubular workpieces |
| CN206338523U (en) * | 2016-12-31 | 2017-07-18 | 缪灵军 | A kind of quick joint for metal pipes |
-
2016
- 2016-12-31 CN CN201811199340.6A patent/CN109253336B/en not_active Expired - Fee Related
- 2016-12-31 CN CN201611268125.8A patent/CN106764180B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19902676A1 (en) * | 1998-01-30 | 1999-08-05 | Flamco Bv | Two-part conduit union for water, gas or powder with shutoff valve |
| JP2006258145A (en) * | 2005-03-15 | 2006-09-28 | Tokai Rubber Ind Ltd | Air bleeding pipe joint |
| CN106195489A (en) * | 2011-08-30 | 2016-12-07 | 森田控股有限公司 | The combination accessory of fire hose |
| CN104364571A (en) * | 2012-09-10 | 2015-02-18 | 柯凯利特塑料品集团公司 | Plug-in coupling for a pipe, in particular for water conduits |
| CN105829787A (en) * | 2014-04-03 | 2016-08-03 | 霓达株式会社 | Pipe joint for use in narrow spaces |
| CN204358309U (en) * | 2014-12-22 | 2015-05-27 | 浙江雨龙管业科技有限公司 | A kind of locking rapid pipe joint |
| CN205136871U (en) * | 2015-10-30 | 2016-04-06 | 郑仕杰 | Tap connecting piece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106764180B (en) | 2019-05-24 |
| CN109253336A (en) | 2019-01-22 |
| CN106764180A (en) | 2017-05-31 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| 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: 20200331 Termination date: 20201231 |