CN112984240B - Quick-inserting pipe fitting - Google Patents
Quick-inserting pipe fitting Download PDFInfo
- Publication number
- CN112984240B CN112984240B CN202110372761.XA CN202110372761A CN112984240B CN 112984240 B CN112984240 B CN 112984240B CN 202110372761 A CN202110372761 A CN 202110372761A CN 112984240 B CN112984240 B CN 112984240B
- Authority
- CN
- China
- Prior art keywords
- ring
- gripping
- fastening
- cap
- limiting
- 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.)
- Active
Links
- 210000000078 claw Anatomy 0.000 claims description 39
- 230000007704 transition Effects 0.000 claims description 13
- 238000003780 insertion Methods 0.000 abstract description 10
- 238000007789 sealing Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- F16L21/04—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 in which sealing rings are compressed by axially-movable members
- F16L21/045—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 in which sealing rings are compressed by axially-movable members the members passing through the sealing rings
-
- 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
- F16L21/08—Joints with sleeve or socket with additional locking means
-
- 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
- F16L37/10—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using a rotary external sleeve or ring on one part
- F16L37/101—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using a rotary external sleeve or ring on one part in which the coupling is coaxial with the pipe
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The application discloses a quick-insertion pipe fitting, which belongs to the field of pipe fittings and is used for pipe connection, wherein an annular bulge extending towards the Z-Z direction of a central axis is arranged at the middle position of the inner wall of a body, and a gripping ring is arranged on the annular bulge; a gripping ring step for limiting the gripping ring is further processed on the inner wall of the body above the annular bulge; a top ring step is further processed on the inner wall of the body above the gripping ring step, the top ring step is overlapped and limited with the top ring, and the bottom surface of the top ring is contacted with the top surface of the gripping ring; a rubber ring is arranged on the top surface of the top ring, and the outer side surface of the rubber ring is contacted with the inner wall of the body; the body is lapped with a top sleeve on the end face of the body, and the bottom surface of the top sleeve is contacted with the rubber ring; the inside of top cover has inserted the fastening ring, and the fastening ring is limited in the inside of body by the pipe cap of being connected with the body outer wall. The sealing device can achieve the sealing effect, is more convenient to install, does not need professionals or tools, is plug-and-play, and saves time and labor.
Description
Technical Field
The application belongs to the field of pipe fittings, and particularly relates to a quick-insertion pipe fitting.
Background
In pipe construction, there are many ways of connection. The metal pipeline is generally welded, sleeved with wires and the like. Plastic pipes are generally welded, mechanically connected, etc. These approaches are mostly time consuming and laborious, and require expensive specialized tools and specialized construction personnel for installation.
Disclosure of Invention
The application aims to provide a quick-insertion pipe fitting, which can realize convenient installation without professional personnel and tools and can be inserted and used at the same time while ensuring the sealing effect, thereby saving time and labor.
In order to achieve the above purpose, the application is realized by the following technical scheme:
The quick plug-in pipe fitting comprises a body, wherein the body is a hollow pipe body with openings at two ends, annular protrusions are machined on the inner wall of the body, a first step and a second step are machined on the inner wall of the body at two ends of each annular protrusion, clamping grooves are machined on the annular protrusions, ejector pins are arranged in the clamping grooves, and springs are arranged between the ejector pins and the bottom surfaces of the clamping grooves; the gripping ring is lapped on the first step, the bottom end of the gripping ring is positioned above the annular bulge, and a plurality of gripping ring hole bodies distributed around the central axis of the gripping ring are processed at the bottom end of the gripping ring; the gripping ring is provided with an outer ring claw at the top end opening; a top ring is arranged on the second step, the bottom end of the top ring is contacted with the top end of the grasping ring, and a rubber ring is arranged at the top end of the top ring; the end faces of the openings at the two ends of the body are provided with a top sleeve, the bottom end of the top sleeve is in contact with the rubber ring, the top end of the top sleeve is provided with a fixed ring, the inside of the fixed ring is provided with a fastening ring, and the two ends of the fastening ring extend towards the rubber ring and the pipe cap respectively; the pipe cap is arranged at the opening of the body.
Further, a gripping ring limit is arranged on the inner wall of the body between the first step and the second step, and the gripping ring limit is positioned at the limit position of the upward movement of the gripping ring.
Further, the gripping ring comprises a gripping outer ring body and a gripping inner ring body, a step structure for the gripping ring to overlap with the first step is formed between the gripping outer ring body and the gripping inner ring body, an outer ring claw extending towards the central axis direction of the gripping outer ring body is arranged on the inner wall of the gripping outer ring body above the step structure, and the outer ring claw is positioned at the top end opening of the gripping outer ring body and uniformly distributed around the central axis of the gripping outer ring body; the bottom end of the gripping inner ring body is provided with a gripping ring hole body.
Further, the top ring comprises a lower top ring and an upper top ring, and a step structure for the top ring to overlap with the second step is formed between the upper top ring and the lower top ring; the bottom end of the lower top ring is contacted with the top end of the outer gripping ring body.
Further, the top sleeve comprises an upper top sleeve and a lower top sleeve, an inner top sleeve step and an outer top sleeve step are respectively formed at the connecting positions of the upper top sleeve and the lower top sleeve, the inner top sleeve step is connected with the fastening ring, and the outer top sleeve step is lapped on the top end of the body.
Furthermore, the fastening ring comprises a fastening ring body, the bottom end of the fastening ring body is lapped on the inner step of the top sleeve, the top end and the bottom end of the fastening ring body are respectively provided with a fastening claw and an extending plate which extend towards the direction far away from the fastening ring body, and the fastening claw and the extending plate are uniformly distributed around the central axis of the fastening ring body.
Further, the free end inner side of the fastening claw described in the present application is provided with a barb structure.
Further, the fixing ring comprises a limiting body, wherein the limiting body is an annular plate body, the bottom end of the limiting body is positioned at the top end of the upper top sleeve, and the top end of the limiting body is limited by the inner wall of the pipe cap; and the inner hole of the limiting body is provided with a limiting groove corresponding to the fastening claw, and the outer side surface of the fastening claw is positioned in the limiting groove.
Further, the inner wall of the pipe cap is provided with the internal thread, the body is provided with the external thread at the connecting position with the pipe cap, and the body is connected with the internal thread of the pipe cap through the external thread.
Further, the pipe cap comprises a cap body, wherein the cap body comprises a cap body connecting part connected with the cap body, a ring body limiting surface is arranged at the top end of the cap body connecting part, the ring body limiting surface is positioned at the top end opening of the pipe cap, a transition surface is arranged between the ring body limiting surface and the cap body, and a limiting clamping table is processed at the position of the transition surface and the cap body connecting part; the transition surface and the ring body limiting surface are in contact with the fastening claw in the fastening ring.
Compared with the prior art, the application has the beneficial effects that:
1. According to the application, through the design of the gripping ring, the ejector pin and the spring, the judgeability of the insertion depth is realized by matching with the middle bulge of the body, and after the pipe is inserted into the pipe fitting, the pipe can be judged whether the pipe is inserted into place or not after the click sound is heard through rotating the pipe.
2. The application realizes the improvement of the connection stability of the pipe and the pipe fitting by adopting double fixation of the fastening ring.
3. The application realizes the firmness and the safety of the inserted pipe by reasonably designing the connecting structure of the pipe fitting.
Drawings
Fig. 1 is a schematic view of the overall structure of the present application.
Fig. 2 is a schematic structural view of the body of the present application.
Fig. 3 is a schematic view of the top cover according to the present application.
Fig. 4 is a schematic diagram of a top cover according to a second embodiment of the present application.
Fig. 5 is a schematic view of the structure of the fastening ring of the present application.
Fig. 6 is a schematic view of the structure of the grip ring of the present application.
Fig. 7 is a schematic diagram of a second embodiment of the gripping ring of the present application.
FIG. 8 is a schematic view of the structure of the thimble according to the present application.
Fig. 9 is a schematic view of the structure of the cap of the present application.
Fig. 10 is a schematic view of the structure of the top ring according to the present application.
Fig. 11 is a schematic diagram of a top ring according to a second embodiment of the present application.
Fig. 12 is a schematic structural view of a fixing ring in the present application.
In the figure: 1. a body; 2. a rubber ring; 3. a top cover; 4. a fastening ring; 5. a grip ring; 6. a thimble; 7. a spring; 8. a tube cap; 9. a top ring; 10. and a fixing ring.
1-1, Annular protrusions; 1-2, a first step; 1-3, a clamping groove; 1-4, a second step; 1-5, external threads; 1-6, gripping ring limit.
3-1, Upper top cover; 3-2, lower top cover; 3-3, a step in the top sleeve; 3-4, top sleeve outer step.
4-1, Fastening claws; 4-2, an extension plate; 4-3, fastening the ring body; 4-4, a barb structure.
5-1, Grasping the outer ring body; 5-2, grasping the inner ring body; 5-3, outer ring jaws; and 5-4, grasping the annular ring body.
8-1, A cap body connecting part; 8-2, a limiting clamping table; 8-3, a transition surface; 8-4, a ring body limiting surface; 8-5, cap body.
9-1, Lower top ring; 9-2, upper top ring.
10-1, A limiting body; 10-2, a limit groove.
Detailed Description
The technical scheme of the application is further described and illustrated below by combining with the embodiment. It should be noted that, the terms including, but not limited to, "upper, lower, left, right, front, rear" and the like in the following paragraphs may refer to any orientation according to the visual orientation shown in the drawings of the specification and should not be construed as limiting the scope or technical solution of the present application.
In the description of the present specification, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
The quick-insertion pipe fitting comprises a body 1, wherein the body 1 is a hollow pipe body with two open ends, annular protrusions 1-1 are machined on the inner wall of the body 1, first steps 1-2 and second steps 1-4 are machined on the inner wall of the body 1 at the two ends of the annular protrusions 1-1, clamping grooves 1-3 are machined on the annular protrusions 1-1, ejector pins 6 are installed in the clamping grooves 1-3, and springs 7 are arranged between the ejector pins 6 and the bottom surfaces of the clamping grooves 1-3; the gripping ring 5 is lapped on the first step 1-2, the bottom end of the gripping ring 5 is positioned above the annular bulge 1-1, and a plurality of gripping ring hole bodies 5-4 distributed around the central axis of the gripping ring 5 are processed at the bottom end of the gripping ring; the gripping ring 5 is provided with an outer ring claw 5-3 at the top end opening; a top ring 9 is arranged on the second step 1-4, the bottom end of the top ring 9 is contacted with the top end of the gripping ring 5, and a rubber ring 2 is arranged at the top end of the top ring 9; the end faces of the openings at the two ends of the body 1 are provided with a top sleeve 3, the bottom end of the top sleeve 3 is in contact with the rubber ring 2, the top end of the top sleeve 3 is provided with a fixed ring 10, the inside of the fixed ring 10 is provided with a fastening ring 4, and the two ends of the fastening ring 4 extend towards the rubber ring 2 and the pipe cap 8 respectively; the pipe cap 8 is arranged at the opening of the body 1.
Example 2
The quick-insertion pipe fitting is characterized in that a gripping ring limit 1-6 is arranged on the inner wall of the body 1 between the first step 1-2 and the second step 1-4, and the gripping ring limit 1-6 is positioned at the limit position of the upward movement of the gripping ring 5; the gripping ring 5 comprises an outer gripping ring body 5-1 and an inner gripping ring body 5-2, a step structure for enabling the gripping ring 5 to be overlapped with the first step 1-2 is formed between the outer gripping ring body 5-1 and the inner gripping ring body 5-2, outer ring clamping claws 5-3 extending towards the central axis direction of the outer ring clamping claws are arranged on the inner wall of the outer gripping ring body 5-1 above the step structure, and the outer ring clamping claws 5-3 are positioned at the top end opening of the outer gripping ring body 5-1 and uniformly distributed around the central axis of the outer gripping ring body 5-1; the bottom end of the gripping inner ring body 5-2 is provided with a gripping ring hole body 5-4; the top ring 9 comprises a lower top ring 9-1 and an upper top ring 9-2, and a step structure for enabling the top ring 9 to be overlapped with the second step 1-4 is formed between the upper top ring 9-2 and the lower top ring 9-1; the bottom end of the lower top ring 9-1 is contacted with the top end of the outer gripping ring body 5-1; the top cover 3 comprises an upper top cover 3-1 and a lower top cover 3-2, wherein the upper top cover 3-1 and the lower top cover 3-2 respectively form a top cover inner step 3-3 and a top cover outer step 3-4 at the connecting positions of the upper top cover 3-1 and the lower top cover, the top cover inner step 3-3 is connected with the fastening ring 4, and the top cover outer step 3-4 is lapped on the top end of the body 1. The structure and connection relationship of the rest are the same as those described in any one of the foregoing embodiments, and are not repeated here to avoid complicated text.
Example 3
The quick-insertion pipe fitting comprises a fastening ring body 4-3, wherein the bottom end of the fastening ring body 4-3 is lapped on an inner step 3-3 of a top sleeve, the top end and the bottom end of the fastening ring body 4-3 are respectively provided with a fastening claw 4-1 and an extension plate 4-2 which extend in a direction far away from the fastening ring body 4-3, and the fastening claw 4-1 and the extension plate 4-2 are uniformly distributed around the central axis of the fastening ring body 4-3; the free end inner side of the fastening claw 4-1 is provided with a barb structure 4-4; the fixing ring 10 comprises a limiting body 10-1, wherein the limiting body 10-1 is an annular plate body, the bottom end of the limiting body 10-1 is positioned at the top end of the upper top sleeve 3-1, and the top end of the limiting body 10-1 is limited by the inner wall of the pipe cap 8; the inner hole of the limit body 10-1 is provided with a limit groove 10-2 corresponding to the fastening claw 4-1, and the outer side surface of the fastening claw 4-1 is positioned in the limit groove 10-2. The structure and connection relationship of the rest are the same as those described in any one of the foregoing embodiments, and are not repeated here to avoid complicated text.
Example 4
The quick-insertion pipe fitting is characterized in that an inner thread is formed in the inner wall of the pipe cap 8, an external thread 1-5 is formed in the position where the body 1 is connected with the pipe cap 8, and the body 1 is connected with the inner thread of the pipe cap 8 through the external thread 1-5; the pipe cap 8 comprises a cap body 8-5, the cap body 8-5 comprises a cap body connecting part 8-1 connected with the body 1, a ring body limiting surface 8-4 is arranged at the top end of the cap body connecting part 8-1, the ring body limiting surface 8-4 is positioned at the top end opening of the pipe cap 8, a transition surface 8-3 is arranged between the ring body limiting surface 8-4 and the cap body 8-5, and a limiting clamping table 8-2 is processed at the position of the transition surface 8-3 and the cap body connecting part 8-1; the transition surface 8-3 and the ring body stop surface 8-4 are in contact with the fastening jaw 4-1 in the fastening ring 4. The structure and connection relationship of the rest are the same as those described in any one of the foregoing embodiments, and are not repeated here to avoid complicated text.
On the basis of the above embodiments, the technical features involved therein and the functions and roles that the technical features play in the technical solution are described in detail using the following paragraphs so as to help those skilled in the art to fully understand the technical solution and reproduce it.
As shown in fig. 1 to 12, a quick-insertion pipe fitting according to the present application includes a body 1, wherein the body 1 is a hollow pipe body with two ends open and formed by rotating around a central axis Z-Z thereof, and an annular protrusion 1-1 is formed at or near the middle of the inner wall of the body 1. The annular bulge 1-1 is provided with two end faces, a first step 1-2 and a second step 1-4 are sequentially arranged on the inner wall between the annular bulge 1-1 and the opening of the body 1, wherein the first step 1-2 is lapped with a gripping outer ring body 5-1 of the gripping ring 5, and a step structure formed by the gripping outer ring body 5-1 and the gripping inner ring body 5-2 is contacted with the first step 1-2. The annular bulge 1-1 is provided with a clamping groove 1-3, the clamping groove 1-3 is used for placing the thimble 6 and the spring 7, as shown in fig. 8, the thimble 6 comprises a rod body positioned at the bottom end of a circular plate body and a tip positioned at the top end of the circular plate body, the outer diameter of the circular plate body is smaller than the inner diameter of the clamping groove 1-3 and can move in the clamping groove 1-3, the tip can be matched with the gripping annular hole body 5-4 after extending out of the clamping groove 1-3, and the spring 7 is positioned between the circular plate body of the thimble 6 and the bottom surface of the clamping groove 1-3 and is used for providing reset force for the thimble 6. In the application, after the thimble 6 is matched with the gripping ring hole body 5-4 on the gripping ring 5, the thimble 6 respectively enters the gripping ring hole body 5-4 and is separated from the gripping ring hole body 5-4 in the process that the gripping ring hole body 5-4 rotates along with the gripping inner ring body 5-2. In order to facilitate the entry and exit of the thimble 6, a fillet is machined at the edge of the gripping ring hole body 5-4.
In the application, the gripping ring 5 comprises a gripping outer ring body 5-1 and a gripping inner ring body 5-2, and a step structure for overlapping the first step 1-2 is formed between the gripping outer ring body 5-1 and the gripping inner ring body 5-2. The bottom end of the inner rotating ring body 5-2 is provided with the gripping ring hole body 5-4 in the paragraph, the inner side of the top end of the gripping outer ring body 5-1 is provided with the outer ring claw 5-3 extending towards the central axis of the gripping outer ring body, the outer ring claw 5-3 is matched with the inserted pipe body, the purpose of driving the gripping ring to rotate through the pipe body is achieved, and therefore the gripping ring hole body 5-4 is matched with the thimble 6 to give out clicking sound to judge whether the gripping ring is inserted into place or not. The gripping ring 5 times is limited between a first step 1-2 and a gripping ring limit 1-6 in the body 1, and the gripping ring limit 1-6 is an annular bulge protruding out of the inner wall of the body 1 and used for limiting the outer edge of the gripping outer ring body 5-1.
In the application, the top end of the gripping ring 5 is a top ring 9, the top ring 9 comprises an upper top ring 9-2 and a lower top ring 9-1, wherein a step structure overlapped with the second step 1-4 is formed between the upper top ring 9-2 and the lower top ring 9-1 on the outer side, and the bottom end of the lower top ring 9-1 is positioned above the gripping outer ring 5-1 to limit the gripping outer ring 5-1. In the application, the top end of the upper top ring 9-2 is provided with the rubber ring 2, the outer side of the rubber ring 2 is contacted with the inner wall of the body 1, the bottom of the rubber ring 2 is contacted with the top end of the upper top ring 9-2, and the rubber ring 2 has the function of realizing the sealing between the inserted pipe and the body 1.
In the application, the top end of the rubber ring 2 is contacted with the bottom end of the lower top sleeve 3-2, the lower top sleeve 3-2 and the upper top sleeve 3-1 form the top sleeve 3, the upper top sleeve 3-1 forms a top sleeve inner step 3-3 and a top sleeve outer step 3-4 on the inner side and the outer side of the lower top sleeve 3-2 respectively, the top sleeve outer step 3-4 can realize the lap joint of the top sleeve 3 and the end surface of the opening of the body 1, and the top sleeve inner step 3-3 can realize the placement and the limit of the fastening ring body 4-3 in the fastening ring 4.
In the present application, the fastening ring 4 mentioned in the above paragraph includes a fastening ring body 4-3, a plurality of fastening claws 4-1 uniformly distributed around the central axis are formed at the top end of the fastening ring body 4-3, and a plurality of extension plates 4-2 uniformly distributed around the central axis are formed at the bottom end of the fastening ring body 4-3. The extension plate 4-2 and the fastening claws 4-1 may be provided correspondingly or non-correspondingly, and both may have a tendency to approach the central axis of the fastening ring body 4-3 when extending in a direction away from the fastening ring body 4-3. When the extension plate 4-2 extends in a direction away from the fastening ring 4-3, it forms an inverted truncated cone structure, so that a structure for preventing the inserted pipe from being separated from the pipe can be formed. Meanwhile, in the present application, the free end inner side of the fastening jaw 4-1 is processed with a barb structure, which can facilitate the insertion of the pipe into the body 1 through the fastening ring 4, but can prevent the pipe from being separated from the body 1.
In the application, the top end of the top cover 3 on which the top cover 3-1 is arranged is also provided with the fixing ring 10 limited by the pipe cap 8, the fixing ring 10 is in a ring body structure, the limiting body 10-1 comprises a limiting body 10-1, the surface of the inner ring of the limiting body 10-1 is provided with a limiting groove 10-2 corresponding to the fastening claw 4-1, and the limiting groove 10-2 is arranged and used for accommodating the fastening claw 4-1, so that the structure comprising the fastening claw 4-1, the extension plate 4-2 and the fastening ring body 4-3 cannot rotate around the central axis Z-Z of the body 1.
In the application, the pipe cap 8 comprises a cap body 8-5, wherein the cap body 8-5 is sequentially provided with a cap body connecting part 8-1 and a ring body limiting surface 8-4 from bottom to top, a transition surface 8-3 is arranged at the connecting position of the cap body connecting part 8-1 and the ring body limiting surface 8-4, and the transition surface 8-3 is an inclined surface which is gradually formed to be close to the central axis of the cap body 8-5 in the process of extending from the cap body connecting part 8-1 to the ring body limiting surface 8-4. The connection position of the transition surface 8-3 and the cap body connection part 8-1 forms a limit clamping table 8-2, and the limit clamping table 8-2 is of a ladder structure and can be pressed with the top end surface of the fixed ring 10. The inner wall of the cap body connecting part 8-1 can be provided with an internal thread structure, and the internal thread structure can be connected with external threads 1-5 which are arranged on the outer wall of the body 1, so that the fixation between the pipe cap 8 and the body 1 is realized. Of course, other conventional means may be employed by those skilled in the art to achieve a fixed connection or an integral arrangement between the two, such as welding, bonding. The ring body limiting surface 8-4 can be in contact with the outer side surface of the fastening claw 4-1, so that the fastening claw 4-1 is limited and the outward movement trend of the fastening claw is prevented.
When the pipe fitting is used, the pipe enters from the top opening of the pipe cap 8, sequentially passes through the fastening ring 4, the rubber ring 2 and the top ring 9, then enters into the gripping ring 5, is clamped with the outer ring clamping jaw 5-3 in the gripping ring 5, and can check whether the pipe fitting is inserted in place in the pipe fitting according to the application by rotating the pipe fitting when an operator cannot continue to insert the pipe fitting, and indicates that the pipe fitting and the pipe fitting at the end are already inserted in place when the operator hears that the pipe fitting emits clicking sound. The inserted pipe is limited by the barb structure 4-1, the extension plate 4-2, the sealing ring 2, the top ring 9 and the grasping ring 5 in the fastening ring 4, and the separation of the pipe and the pipe is prevented by the structure, so that the connection stability of the pipe and the pipe is improved, and the sealing operation of the connection part can be realized through the sealing ring 2.
Finally, although the description has been described in terms of embodiments, not every embodiment is intended to include only a single embodiment, and such description is for clarity only, as one skilled in the art will recognize that the embodiments of the disclosure may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a quick-plugging pipe fitting, includes body (1), its characterized in that: the body (1) is a hollow pipe body with two open ends, annular protrusions (1-1) are machined on the inner wall of the body (1), first steps (1-2) and second steps (1-4) are machined on the inner wall of the body (1) at the two ends of the annular protrusions (1-1), clamping grooves (1-3) are machined on the annular protrusions (1-1), ejector pins (6) are installed in the clamping grooves (1-3), and springs (7) are arranged between the ejector pins (6) and the bottom surfaces of the clamping grooves (1-3); the gripping ring (5) is lapped on the first step (1-2), the bottom end of the gripping ring (5) is positioned above the annular bulge (1-1), and a plurality of gripping ring hole bodies (5-4) distributed around the central axis of the gripping ring are processed at the bottom end of the gripping ring (5); the gripping ring (5) is provided with an outer ring claw (5-3) at the top end opening; a top ring (9) is arranged on the second step (1-4), the bottom end of the top ring (9) is contacted with the top end of the gripping ring (5), and a rubber ring (2) is arranged at the top end of the top ring (9); the end faces of openings at two ends of the body (1) are provided with a top sleeve (3), the bottom end of the top sleeve (3) is in contact with the rubber ring (2), the top end of the top sleeve (3) is provided with a fixed ring (10), the inside of the fixed ring (10) is provided with a fastening ring (4), and two ends of the fastening ring (4) respectively extend towards the rubber ring (2) and the pipe cap (8); the pipe cap (8) is arranged at the opening of the body (1);
The fastening ring (4) comprises a fastening ring body (4-3), the bottom end of the fastening ring body (4-3) is lapped on the inner step (3-3) of the top sleeve, the top end and the bottom end of the fastening ring body (4-3) are respectively provided with a fastening claw (4-1) and an extension plate (4-2) which extend towards the direction far away from the fastening ring body (4-3), and the fastening claw (4-1) and the extension plate (4-2) are uniformly distributed around the central axis of the fastening ring body (4-3);
the inner side of the free end of the fastening claw (4-1) is provided with a barb structure (4-4);
The fixing ring (10) comprises a limiting body (10-1), wherein the limiting body (10-1) is an annular plate body, the bottom end of the limiting body (10-1) is positioned at the top end of the upper top sleeve (3-1), and the top end of the limiting body (10-1) is limited by the inner wall of the pipe cap (8); a limiting groove (10-2) corresponding to the fastening claw (4-1) is formed in the inner hole of the limiting body (10-1), and the outer side surface of the fastening claw (4-1) is located in the limiting groove (10-2).
2. A quick connect fitting according to claim 1, wherein: the inner wall of the body (1) between the first step (1-2) and the second step (1-4) is provided with a gripping ring limit (1-6), and the gripping ring limit (1-6) is positioned at the limit position of the upward movement of the gripping ring (5).
3. A quick connect fitting according to claim 1, wherein: the gripping ring (5) comprises an outer gripping ring body (5-1) and an inner gripping ring body (5-2), a step structure for enabling the gripping ring (5) to be overlapped with the first step (1-2) is formed between the outer gripping ring body (5-1) and the inner gripping ring body (5-2), an outer ring claw (5-3) extending towards the central axis direction of the outer ring claw is arranged on the inner wall of the outer gripping ring body (5-1) above the step structure, and the outer ring claw (5-3) is positioned at the top end opening of the outer gripping ring body (5-1) and is uniformly distributed around the central axis of the outer gripping ring body (5-1); the bottom end of the gripping inner ring body (5-2) is provided with a gripping ring hole body (5-4).
4. A quick connect fitting according to claim 3, wherein: the top ring (9) comprises a lower top ring (9-1) and an upper top ring (9-2), and a step structure for the top ring (9) to overlap with the second step (1-4) is formed between the upper top ring (9-2) and the lower top ring (9-1); the bottom end of the lower top ring (9-1) is contacted with the top end of the outer gripping ring body (5-1).
5. A quick connect pipe fitting according to claim 4, wherein: the top cover (3) comprises an upper top cover (3-1) and a lower top cover (3-2), wherein the upper top cover (3-1) and the lower top cover (3-2) respectively form a top cover inner step (3-3) and a top cover outer step (3-4) at the connecting positions of the upper top cover (3-1) and the lower top cover (3-2), the top cover inner step (3-3) is connected with the fastening ring (4), and the top cover outer step (3-4) is lapped at the top end of the body (1).
6. A quick connect fitting according to any one of claims 1 to 5, wherein: the inner wall of the pipe cap (8) is provided with an internal thread, the body (1) is provided with an external thread (1-5) at the connecting position with the pipe cap (8), and the body (1) is connected with the internal thread of the pipe cap (8) through the external thread (1-5).
7. A quick connect pipe fitting as defined in claim 6 wherein: the pipe cap (8) comprises a cap body (8-5), the cap body (8-5) comprises a cap body connecting part (8-1) connected with the body (1), a ring body limiting surface (8-4) is arranged at the top end of the cap body connecting part (8-1), the ring body limiting surface (8-4) is positioned at the top end opening of the pipe cap (8), a transition surface (8-3) is arranged between the ring body limiting surface (8-4) and the cap body (8-5), and a limiting clamping table (8-2) is processed at the position of the transition surface (8-3) and the cap body connecting part (8-1); the transition surface (8-3) and the ring body limiting surface (8-4) are in contact with the fastening claw (4-1) in the fastening ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110372761.XA CN112984240B (en) | 2021-04-07 | 2021-04-07 | Quick-inserting pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110372761.XA CN112984240B (en) | 2021-04-07 | 2021-04-07 | Quick-inserting pipe fitting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112984240A CN112984240A (en) | 2021-06-18 |
| CN112984240B true CN112984240B (en) | 2024-08-16 |
Family
ID=76339334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110372761.XA Active CN112984240B (en) | 2021-04-07 | 2021-04-07 | Quick-inserting pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112984240B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215488171U (en) * | 2021-04-07 | 2022-01-11 | 宏岳塑胶集团股份有限公司 | Quick-inserting pipe fitting |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0816741A3 (en) * | 1996-06-27 | 1999-10-27 | Friatec Aktiengesellschaft | Socket and spigot coupling |
| US8070189B2 (en) * | 2007-06-20 | 2011-12-06 | Carefusion 303, Inc. | Safety luer connection |
| JP2011202790A (en) * | 2010-03-26 | 2011-10-13 | Lixil Corp | Method of connecting resin pipe to resin pipe joint and resin pipe joint |
| JP2015190570A (en) * | 2014-03-28 | 2015-11-02 | 日立金属株式会社 | Pipe joint |
| CN104791560B (en) * | 2015-04-24 | 2017-01-18 | 日丰企业集团有限公司 | Clamping and pressing type anti-leakage compression joint pipe fitting |
| ITUB20154027A1 (en) * | 2015-09-30 | 2017-03-30 | Roberto Messana | Quick sliding coupling. |
| CN105526442A (en) * | 2016-01-13 | 2016-04-27 | 江苏晨光波纹管有限公司 | High-pressure-resistant self-sealing rotary compensator |
| NL1041958B1 (en) * | 2016-06-29 | 2018-01-05 | Wavin Bv | Press fitting device |
| CN210510666U (en) * | 2019-08-19 | 2020-05-12 | 日丰企业集团有限公司 | Vibration prompt tone connecting pipe fitting |
| CN111102418A (en) * | 2020-03-11 | 2020-05-05 | 宏岳塑胶集团股份有限公司 | Cold expanding type connecting water distributor |
-
2021
- 2021-04-07 CN CN202110372761.XA patent/CN112984240B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215488171U (en) * | 2021-04-07 | 2022-01-11 | 宏岳塑胶集团股份有限公司 | Quick-inserting pipe fitting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112984240A (en) | 2021-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5968226B2 (en) | Valve connection | |
| US20120125074A1 (en) | Tool head device for crimping rings and clamps | |
| CN209960045U (en) | Connecting pipe fitting | |
| CN112984240B (en) | Quick-inserting pipe fitting | |
| CN215488171U (en) | Quick-inserting pipe fitting | |
| CN206546938U (en) | Light fixture and its attachment structure | |
| CN210484898U (en) | Reliable pipe fitting connection structure | |
| CN201803029U (en) | Novel quick connector for automobile washer | |
| CN217063244U (en) | Conical automatic quick splicing sleeve | |
| CN202937911U (en) | Fast high-pressure pipe joint | |
| CN104976649A (en) | Integrated cooker with anti-escape smoke exhaust pipe connector | |
| CN102478133A (en) | Clamp sleeve and method for pipe fitting connection | |
| JP3468427B2 (en) | Synthetic resin branch pipe | |
| CN210397350U (en) | Joint piece for supporting | |
| CN208457395U (en) | A kind of connector for water pipe connection | |
| CN216577901U (en) | Multi-station end effector gun barrel female seat quick-change structure | |
| CN219282645U (en) | Stainless steel pipe fitting convenient to connect | |
| CN209100854U (en) | A pressure test pipe joint and pressure test pipe assembly | |
| JP4199870B2 (en) | Service cheating tool | |
| CN215931184U (en) | Quick connector and fuel cell stack gas tightness detection device | |
| CN206419598U (en) | A kind of clip pipeline fast joint | |
| CN210704570U (en) | Wire pressing terminal clamping jaw assembling tool | |
| CN218828918U (en) | Wire harness dustproof sheath | |
| CN210623840U (en) | Pipe fitting connecting structure | |
| CN211859508U (en) | Wire passing sealing element and wire passing seat assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |