CN210623840U - Pipe fitting connecting structure - Google Patents
Pipe fitting connecting structure Download PDFInfo
- Publication number
- CN210623840U CN210623840U CN201920921020.0U CN201920921020U CN210623840U CN 210623840 U CN210623840 U CN 210623840U CN 201920921020 U CN201920921020 U CN 201920921020U CN 210623840 U CN210623840 U CN 210623840U
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- Prior art keywords
- pipe fitting
- pipe
- boss
- annular
- subassembly
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- 238000007789 sealing Methods 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a pipe fitting connecting structure, which is used for connecting a first pipe fitting and a second pipe fitting and comprises a boss component, a sinking platform component and a sealing component, wherein the boss component is arranged on the first pipe fitting or the second pipe fitting, the sinking platform component is correspondingly arranged on the second pipe fitting or the first pipe fitting, the boss component is assembled in the sinking platform component to realize the connection of the first pipe fitting and the second pipe fitting, and the sealing component is arranged at the connection part of the first pipe fitting and the second pipe fitting and is used for sealing; the utility model discloses a mutual cooperation of boss subassembly and heavy platform subassembly realizes the interconnect between first pipe fitting and the second pipe fitting, and because seal assembly sets up the junction at first pipe fitting and second pipe fitting, because of the great torsion that frictional force leaded to when having avoided traditional end face seal, consequently can enlarge the application range of pipe fitting material, improves the life of connecting the pipe fitting greatly.
Description
Technical Field
The utility model belongs to the technical field of the tube coupling, concretely relates to pipe connection structure.
Background
At present, the sealing connection between the pipe fittings on the market is mainly threaded sealing or end face sealing.
However, in the connection process of thread sealing or end face sealing, due to the action of friction force, the pipe fitting can bear larger torsion, plastic deformation of the plastic pipe fitting is easily caused, and the service life of the pipe fitting is shortened; the risk of water leakage in the water pipes is increased for the connection between the water pipes.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a pipeline connecting structure avoids the torsion that the pipe fitting itself needs to bear, has improved the life of pipe fitting.
The technical proposal adopted by the utility model is that,
the utility model provides a pipe fitting connection structure for connect first pipe fitting and second pipe fitting, it includes boss subassembly, heavy platform subassembly and seal assembly, the boss subassembly sets up on first pipe fitting or second pipe fitting, heavy platform subassembly corresponds and sets up on second pipe fitting or first pipe fitting, the boss subassembly assembles in heavy platform subassembly in order to realize the connection of first pipe fitting and second pipe fitting, seal assembly sets up and is used for sealing at the junction of first pipe fitting and second pipe fitting.
Preferably, the boss assembly comprises a first annular boss and a second annular boss which are sequentially arranged at the end part of the first pipe fitting, and the diameter of the second annular boss is larger than that of the first annular boss.
Preferably, heavy platform subassembly is including setting gradually the heavy platform of first heavy platform and second at second pipe fitting tip, just the first heavy platform matches with second annular boss, and the heavy platform of second matches with first annular boss.
Preferably, the second annular boss is assembled with the first sinking platform before the first annular boss is assembled with the second sinking platform.
Preferably, the seal assembly includes an annular sunken groove and a seal ring, the annular sunken groove is provided on the first pipe fitting and is located between the first annular boss and the second annular boss, and the seal ring is located the annular sunken groove periphery.
Preferably, the pipe connection structure further comprises a hexagonal nut for fixing the first pipe and the second pipe; after the boss assembly and the sinking platform assembly are connected in a matched mode, the hexagonal nut is located at the connecting position and used for fixing the first pipe fitting and the second pipe fitting.
Preferably, the pipe fitting connecting structure further comprises an annular metal sheet which is clamped behind the second boss and used for limiting the hexagonal nut
Preferably, the contact position of the second pipe fitting and the hexagonal nut is provided with an external thread for improving the fixing strength.
Preferably, the second pipe fitting is further provided with a hexagonal structure for easy attachment and detachment.
Preferably, one or more than one sealing ring is arranged.
Compared with the prior art, the utility model discloses a mutual cooperation of boss subassembly and heavy platform subassembly realizes the interconnect between first pipe fitting and the second pipe fitting, and because seal assembly sets up the junction at first pipe fitting and second pipe fitting, because of the great torsion that frictional force leads to when having avoided traditional end face seal, consequently can enlarge the application range of pipe fitting material, improves the life of connecting the pipe fitting greatly.
Drawings
Fig. 1 is an exploded view of a pipe connection structure according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a pipe connection structure according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a schematic structural diagram of a pipe connection structure according to an embodiment of the present invention;
fig. 5 is a front view of a pipe connection structure according to an embodiment of the present invention.
The reference numbers are as follows:
1-first pipe fitting, 2-second pipe fitting, 3-boss assembly, 4-sink assembly, 5-sealing assembly, 6-hexagon nut, 7-annular metal sheet, 21-external thread, 22-hexagon structure, 31-first annular boss, 32-second annular boss, 41-first sink, 42-second sink, 51-annular sink groove, 52-sealing ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
the boss component 3 is arranged on the first pipe fitting 1 or the second pipe fitting 2, the sinking platform component 4 is arranged on the second pipe fitting 2 or the first pipe fitting 1, the boss component 3 is assembled in the sinking platform component 4 to realize the connection of the first pipe fitting 1 and the second pipe fitting 2, and the sealing component 5 is arranged at the connection part of the first pipe fitting 1 and the second pipe fitting 2 for sealing;
like this, adopt above-mentioned structure, realize the connection of first pipe fitting 1 and second pipe fitting 2 through boss subassembly 3 and heavy platform subassembly 4, realize sealed through seal assembly 5 simultaneously, because seal assembly 5 sets up the junction at first pipe fitting 1 and second pipe fitting 2, and the non-terminal surface, consequently avoided the terminal surface sealed time because of the great torsion that frictional force leads to, consequently can enlarge the application range of pipe fitting material, improve the life of connecting the pipe fitting greatly.
Example 2
The embodiment 2 of the utility model provides a pipe fitting connection structure, it further includes on the basis of embodiment 1:
the boss assembly 3 comprises a first annular boss 31 and a second annular boss 32 which are sequentially arranged at the end part of the first pipe fitting 1, and the diameter of the second annular boss 32 is larger than that of the first annular boss 31; the sinking platform assembly 4 comprises a first sinking platform 41 and a second sinking platform 42 which are sequentially arranged at the end part of the second pipe fitting 2, the first sinking platform 41 is matched with the second annular boss 32, and the second sinking platform 42 is matched with the first annular boss 31;
thus, when the first pipe fitting 1 is inserted into the second pipe fitting 2, the first annular boss 31 located at the end face of the first pipe fitting 1 is matched with the second sinking platform 42 inside the second pipe fitting 2, the second annular boss 32 is matched with the first sinking platform 41, and the bosses and the sinking platforms are mutually clamped, so that the connection of the first pipe fitting 1 and the second pipe fitting 2 is realized.
The second annular boss 32 and the first sinking platform 41 are assembled before the first annular boss 31 and the second sinking platform 42 are assembled, that is: the top surface of the second annular boss 32 and the bottom surface of the first sinking platform 41 are firstly contacted with each other;
thus, when the first pipe fitting 1 and the second pipe fitting 2 are connected, the second annular boss 32 located on the outer side of the pipe fittings and the first sinking platform 41 are assembled, and inconvenience caused when the first annular boss 31 and the second sinking platform 42 are assembled firstly but the inner side of the first annular boss and the second annular boss cannot be assembled is avoided.
The sealing assembly 5 comprises an annular sunken groove 51 and a sealing ring 52, the annular sunken groove 51 is arranged on the first pipe fitting 1 and is positioned between the first annular boss 31 and the second annular boss 32, and the sealing ring 52 is positioned on the periphery of the annular sunken groove 51;
in this way, the sealing ring 52 is sleeved on the annular sunken groove 51, and as the annular sunken groove 51 is arranged on the periphery of the first pipe fitting 1 instead of the end face, a large torsion force caused by friction force during end face sealing is avoided; one or more than one sealing rings 52 are arranged, and the number of the sealing rings 52 is matched with the width of the annular sunken grooves 51.
The pipe connecting structure further includes a hexagonal nut 6 for fixing the first pipe 1 and the second pipe 2;
thus, after the boss component 3 and the sinking platform component 4 are matched and connected, the hexagonal nut is positioned at the joint and used for fixing the first pipe fitting 1 and the second pipe fitting 2.
The pipe fitting connecting structure further comprises an annular metal sheet 7, the annular metal sheet 7 is clamped on the second boss 32 and used for limiting the hexagonal nut 6, and the outer diameter of the annular metal sheet 7 is larger than the inner diameter of the hexagonal nut 6;
wherein, be provided with the breach on the annular sheetmetal 7 for make things convenient for the cover to establish on first pipe fitting 1, when first pipe fitting 1 and second pipe fitting 2 are connected, establish the annular sheetmetal 7 cover after the second annular boss 32 of first pipe fitting 1 through the breach, later establish the front end at first pipe fitting 1 with hexagon nut 6 cover, because annular sheetmetal 7 is to hexagon nut 6 joint effect, avoided hexagon nut 6 to the other end landing of first pipe fitting 1.
And the contact part of the second pipe fitting 2 and the hexagonal nut 6 is provided with an external thread 21 for improving the fixing strength.
In order to facilitate disassembly with a wrench or other tool, the second tubular element 2 is also provided with a hexagonal structure 22 for facilitating connection and disassembly.
The working process is as follows:
when the first pipe fitting 1 and the second pipe fitting 2 are connected, the annular metal sheet 7 is sleeved on the second annular boss 32 of the first pipe fitting 1 through the gap, then the hexagonal nut 6 is sleeved on the front end of the first pipe fitting 1, due to the clamping effect of the annular metal sheet 7 on the hexagonal nut 6, the hexagonal nut 6 is prevented from sliding down to the other end of the first pipe fitting 1, and meanwhile, the sealing ring 52 is sleeved on the annular sinking groove 51; and then the boss component 3 of the first pipe fitting 1 is inserted into the sinking platform component 4 of the second pipe fitting 2, when the second annular boss 32 is matched with the first sinking platform 41 and the first annular boss 31 is matched with the second sinking platform 42, the hexagonal nut 6 is screwed, and the hexagonal nut 6 interacts with the external thread 21, so that the sealing connection of the first pipe fitting 1 and the second pipe fitting 2 is realized.
When dismantling, twist hexagon structure 22 on the second pipe fitting 2 through spanner or other instrument, hexagon structure 22 drives second pipe fitting 2 and rotates, and second pipe fitting 2 is equivalent to and opens with first pipe fitting 1, accomplishes the dismantlement.
This embodiment realizes the interconnect between first pipe fitting and the second pipe fitting through mutually supporting of boss subassembly and heavy platform subassembly, and because seal assembly sets up the junction at first pipe fitting and second pipe fitting, because of the great torsion that frictional force leads to when having avoided traditional end face seal, consequently can enlarge the application range of pipe fitting material, improves the life of connecting the pipe fitting greatly.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a pipe fitting connection structure for connect first pipe fitting (1) and second pipe fitting (2), its characterized in that, it includes boss subassembly (3), heavy platform subassembly (4) and seal assembly (5), boss subassembly (3) set up on first pipe fitting (1) or second pipe fitting (2), heavy platform subassembly (4) correspond and set up on second pipe fitting (2) or first pipe fitting (1), boss subassembly (3) assemble in heavy platform subassembly (4) in order to realize the connection of first pipe fitting (1) and second pipe fitting (2), seal assembly (5) set up and are used for sealing at the junction of first pipe fitting (1) and second pipe fitting (2).
2. A pipe connecting structure according to claim 1, wherein the boss assembly (3) comprises a first annular boss (31) and a second annular boss (32) which are provided in this order at the end of the first pipe (1), and the diameter of the second annular boss (32) is larger than that of the first annular boss (31).
3. A pipe connecting structure according to claim 2, wherein the sinking platform assembly (4) comprises a first sinking platform (41) and a second sinking platform (42) which are sequentially arranged at the end of the second pipe (2), and the first sinking platform (41) is matched with the second annular boss (32), and the second sinking platform (42) is matched with the first annular boss (31).
4. A pipe connecting structure as claimed in claim 3, wherein said second annular projection (32) is assembled with said first sunken land (41) before said first annular projection (31) is assembled with said second sunken land (42).
5. A pipe connection according to any one of claims 2-4, wherein the sealing assembly (5) comprises an annular countersink (51) and a sealing ring (52), the annular countersink (51) being provided on the first pipe (1) between the first annular projection (31) and the second annular projection (32), the sealing ring (52) being located at the periphery of the annular countersink (51).
6. A pipe connecting structure according to claim 2, further comprising a hexagonal nut (6) for fixing the first pipe (1) and the second pipe (2); boss subassembly (3) and heavy platform subassembly (4) cooperation are connected the back, hexagon nut is located the junction and is used for fixed first pipe fitting (1) and second pipe fitting (2).
7. A pipe connection according to claim 6, further comprising an annular metal sheet (7), wherein the annular metal sheet (7) is clamped on the second annular boss (32) for limiting the hexagonal nut (6).
8. A pipe connection according to claim 7, wherein the contact of the second pipe (2) with the hexagonal nut (6) is provided with an external thread (21) for improving the fixing strength.
9. A pipe connection according to claim 1, characterized in that the second pipe (2) is further provided with a hexagonal structure (22) for easy connection and disconnection.
10. A pipe connecting structure as claimed in claim 5, wherein said seal ring (52) is provided in one or more than one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920921020.0U CN210623840U (en) | 2019-06-19 | 2019-06-19 | Pipe fitting connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920921020.0U CN210623840U (en) | 2019-06-19 | 2019-06-19 | Pipe fitting connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210623840U true CN210623840U (en) | 2020-05-26 |
Family
ID=70765914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920921020.0U Active CN210623840U (en) | 2019-06-19 | 2019-06-19 | Pipe fitting connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210623840U (en) |
-
2019
- 2019-06-19 CN CN201920921020.0U patent/CN210623840U/en active Active
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