CN209943769U - Adjustable locking device for quick connection of pipe fittings - Google Patents
Adjustable locking device for quick connection of pipe fittings Download PDFInfo
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- CN209943769U CN209943769U CN201920613342.9U CN201920613342U CN209943769U CN 209943769 U CN209943769 U CN 209943769U CN 201920613342 U CN201920613342 U CN 201920613342U CN 209943769 U CN209943769 U CN 209943769U
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- pipe
- locking device
- nut
- adjustable locking
- inclined plane
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Abstract
The utility model relates to an adjustable locking device of pipe fitting quick connection, it is including making into three way connection or straight joint or elbow joint's body and nut, the joint hole of body is by root to entry direction, the cover is equipped with the sealing washer in proper order, packing ring and the annular jump ring of taking the breach, the nut is equipped with the external screw thread with the joint end threaded connection of body, the inboard bottom of nut is equipped with first inclined plane, the inboard upper portion of packing ring is equipped with the second inclined plane, the annular jump ring is located between first inclined plane and the second inclined plane, when the pipe fitting quick connection adjustable locking device of plugging into locks, the second inclined plane leans on and compresses annular jump ring and block the pipeline with the outer lane counterbalance of annular jump ring, when the pipe fitting quick connection adjustable locking device of plugging into loosens, first inclined plane leans on and struts annular jump ring and breaks away from the pipeline with. Adopt the utility model discloses, it is reasonable to have simple structure, long service life, and can realize installing and removing fast conveniently, repetitious usage and application scope wide advantage.
Description
Technical Field
The utility model relates to a pipe connection technical field, more specifically say, relate to an adjustable locking device that plugs into fast of pipe fitting.
Background
The existing pipeline quick connection mostly adopts a snap-in type quick connector, such as Chinese patent (patent number: 200820033392.1, pipe fitting joint). This patent is a pipe connector, and this kind of connector passes through end cover nut with the inside sealing washer of body, packing ring, annular jump ring locking compaction to play the sealed and locking effect of pipeline. When the end cover nut is disassembled, the end cover nut is required to be taken down, the pipeline together with the sealing ring, the gasket and the stainless steel annular clamping jaw is drawn out from the body, and then the stainless steel annular clamping jaw, the gasket and the sealing ring are taken down from the pipeline. The pipeline sealing device has the disadvantages that the pipeline, the sealing ring, the gasket and the stainless steel annular clamping jaw are drawn out of the body together when the pipeline sealing device is disassembled, and then the stainless steel annular clamping jaw, the gasket and the sealing ring are taken down from the pipeline. Because the back is pressed, the stainless steel annular jack catch imbeds the pipe wall deeply, and bare-handed hardly makes the jack catch break away from the pipe wall, if use tools such as pliers, lead to the jack catch to warp again easily and can not used repeatedly, after the jack catch breaks away from the pipe wall, still need push the whole other end that arrives the pipeline of promoting of annular jack catch and deviate from, the in-process of promotion scratch pipeline outer wall easily, produces the quality hidden danger. And the joint at the other end of the connecting pipeline is also disassembled, so that the annular clamping jaws can be completely separated, but when the joint at the other end is disassembled, one annular clamping jaw is clamped on the pipe wall at the other end, the directions in which the annular clamping jaws at the two ends are separated are just opposite, so that the annular clamping jaws at the two ends can not be taken out, and quick disassembly and repeated use can not be realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that an adjustable locking device is plugged into fast to pipe fitting is provided, its simple structure is reasonable, long service life, and can realize installing and removing fast conveniently, repetitious usage and use extensively.
In order to solve the technical problem, the utility model provides an adjustable locking device for fast connecting pipe fittings, which comprises a body made into a three-way joint or a straight joint or an elbow joint and a nut arranged at the joint end part of the body, wherein the joint end part of the body is provided with an internal thread, a joint inner hole of the body is sequentially sleeved with a sealing ring, a gasket and an annular clamp spring with a notch from the root to the inlet direction, the nut, the sealing ring and the gasket are respectively provided with a through hole for a pipeline to pass through, the nut is provided with an external thread in threaded connection with the joint end part of the body, the inner bottom of the nut is provided with a first inclined plane, the inner upper part of the gasket is provided with a second inclined plane, the annular clamp spring is positioned between the first inclined plane and the second inclined plane, when the adjustable locking device for fast connecting pipe fittings is locked, the second inclined plane abuts against and compresses the outer ring of the annular clamp spring to clamp the pipeline, when the pipe fitting quick connection adjustable locking device is loosened, the first inclined surface abuts against the inner ring of the annular clamp spring and props the annular clamp spring to separate from the pipe.
As the utility model discloses preferred scheme, the nut includes connecting pipe and screwed pipe, the connecting pipe is equipped with the through-hole that can supply the pipeline to pass, the screwed pipe be equipped with the external screw thread of the joint tip threaded connection of body, screwed pipe coaxial coupling be in the outside of connecting pipe and with connecting pipe integrated into one piece, first inclined plane sets up the bottom of connecting pipe.
As the utility model discloses preferred scheme, the internal diameter of screwed pipe is greater than the external diameter of connecting pipe, the screwed pipe with be formed with between the connecting pipe with the holding tank that the appearance of packing ring matees.
As the utility model discloses preferred scheme, the root of screwed pipe is equipped with the nut spacing.
As the utility model discloses preferred scheme, the inboard of body is equipped with the pipeline spacing.
As the utility model discloses preferred scheme, the inboard of body is equipped with the step that can supply the sealing washer to place.
As the utility model discloses preferred scheme, the annular jump ring is equipped with the back-off that the leanin set up.
As the utility model discloses preferred scheme, the inboard or the outside of sealing washer is equipped with the annular groove, the annular groove is followed the circumferencial direction setting of sealing washer.
As the utility model discloses preferred scheme, the outside of body is equipped with evenly distributed's first non-slip raised, the outside of nut is equipped with evenly distributed's second non-slip raised.
As the utility model discloses preferred scheme, the annular jump ring is stainless steel material, the packing ring is the plastics material.
Implement the utility model discloses an adjustable locking device that plugs into fast of pipe fitting compares with prior art, has following beneficial effect:
when the pipeline is inserted, the pipeline is inserted into the joint of the body through the through hole, the annular clamp spring abuts against the second inclined surface of the gasket under the pressure of the nut along with the screwing of the nut, the second inclined surface of the gasket compresses the outer ring of the annular clamp spring, the diameter of the annular clamp spring is reduced, and the pipeline is clamped inwards, so that the annular clamp spring can limit the pipeline to be drawn back and forth, meanwhile, the screwing of the nut applies pressure to the gasket, so that the gasket applies pressure to the sealing ring, and the sealing ring is compressed and deformed to be tightly filled between the pipeline and the body, so that the sealing effect when the pipeline is matched with a non-national standard pipeline is obviously improved, and the pipeline with different sizes is;
when dismantling the pipeline, unscrew nut and body and still be connected, take the pipeline out, annular jump ring embedding pipe wall and then the pipeline outwards move together, annular jump ring leans on and is strutted by first inclined plane with first inclined plane counterbalance and behind the diameter increase, annular jump ring breaks away from the pipeline, thereby make the pipeline can extract swiftly easily, and because the nut still with this body coupling, annular jump ring, packing ring and sealing washer are still remained inside the body, cause the damage and shorten the life-span of device to the pipeline when can avoiding annular jump ring to deviate from, and more make things convenient for the connecing of pipeline to plug into and dismantle.
Therefore, use the utility model discloses, the operation personnel can both easily accomplish the connection of the tubular product of the various sizes of various materials under the various condition, labour saving and time saving when plugging into moreover. It can be seen that, the utility model has the advantages of simple and reasonable structure, long service life, and can realize installing and removing fast conveniently, repetitious usage and application scope are wide.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
Fig. 1 is a schematic structural view of an adjustable locking device for quick connection of pipe fittings provided by the present invention;
fig. 2 is an exploded view of the adjustable locking device for quick connection of pipe fittings provided by the present invention;
FIG. 3 is a schematic structural view of the body;
FIG. 4 is a schematic view of the construction of the gasket;
FIG. 5 is a schematic view of the nut;
fig. 6 is a schematic structural view of the seal ring.
The reference numbers indicate:
1 is the body, 2 is the nut, 3 is the internal thread, 4 is the sealing washer, 5 is the packing ring, 6 is the annular jump ring of taking the breach, 7 is the external screw thread, 8 is first inclined plane, 9 is the second inclined plane, 10 is the connecting pipe, 11 is the screwed pipe, 12 is the holding tank, 13 is that the nut is spacing, 14 is that the pipeline is spacing, 15 is the step, 16 is the back-off, 17 is the annular groove, 18 is first non-skid protrusion, 19 is second non-skid protrusion.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 6 in combination, in the preferred embodiment of the present invention, an adjustable locking device for quick connection of pipe fittings comprises a body 1 made into a three-way joint or a straight joint or an elbow joint and a nut 2 installed at a joint end of the body 1, in this embodiment, the body 1 is made into a straight joint as an example, the joint end of the body 1 is provided with an internal thread 3, a joint inner hole of the body 1 is sequentially sleeved with a sealing ring 4, a gasket 5 and a ring-shaped snap spring 6 with a notch from a root to an inlet, the nut 2, the sealing ring 4 and the gasket 5 are all provided with through holes for a pipeline to pass through, the nut 2 is provided with an external thread 7 in threaded connection with the joint end of the body 1, the inner bottom of the nut 2 is provided with a first inclined plane 8, the inner upper part of the gasket 5 is provided with a second inclined plane 9, the ring-shaped snap spring 6 is located between the first inclined plane 8 and the second inclined plane 9, when the pipe fitting quick connection adjustable locking device is locked, the second inclined surface 9 abuts against the outer ring of the annular clamp spring 6 and compresses the annular clamp spring 6 to clamp the pipeline, and when the pipe fitting quick connection adjustable locking device is loosened, the first inclined surface 8 abuts against the inner ring of the annular clamp spring 6 and struts the annular clamp spring 6 to separate from the pipeline.
When a pipeline is plugged, the pipeline is inserted into a joint of the body 1 through the through hole, the annular clamp spring 6 abuts against the second inclined surface 9 of the gasket 5 under the pressure of the nut 2 along with the screwing of the nut 2, the second inclined surface 9 of the gasket 5 compresses the outer ring of the annular clamp spring 6, the diameter of the annular clamp spring 6 is reduced, and the pipeline is clamped inwards, so that the annular clamp spring 6 can limit the pipeline to be drawn back and forth, meanwhile, the screwing of the nut 2 applies pressure to the gasket 5, so that the gasket 5 applies pressure to the sealing ring 4, and the sealing ring 4 is compressed and deformed to be tightly filled between the pipeline and the body 1, so that the sealing effect when the non-national standard pipeline is matched is obviously improved, and the connection of pipelines with different sizes is particularly;
when dismantling the pipeline, unscrew nut 2 and body 1 and still be connected, take the pipeline out, annular jump ring 6 embedding pipe wall and then the pipeline outwards move together, annular jump ring 6 supports with first inclined plane 8 and leans on and is propped open by first inclined plane 8 and behind the diameter increase, annular jump ring 6 breaks away from the pipeline, thereby make the pipeline can extract fast easily, and because nut 2 still is connected with body 1, annular jump ring 6, packing ring 5 and sealing washer 4 also remain inside body 1, cause the damage and shorten the life-span of device to the pipeline when can avoiding annular jump ring 6 to deviate from, and more make things convenient for the connecing of pipeline to plug into and dismantle.
Therefore, use the utility model discloses, the operation personnel can both easily accomplish the connection of the tubular product of the various sizes of various materials under the various condition, labour saving and time saving when plugging into moreover. It can be seen that, the utility model has the advantages of simple and reasonable structure, long service life, and can realize installing and removing fast conveniently, repetitious usage and application scope are wide.
Exemplarily, the nut 2 includes a connection pipe 10 and a threaded pipe 11, the connection pipe 10 is provided with a through hole through which a pipeline can pass, the threaded pipe 11 is provided with an external thread 7 in threaded connection with the joint end of the body, the threaded pipe 11 is coaxially connected to the outside of the connection pipe 10 and is integrally formed with the connection pipe 10, the first inclined plane 8 is disposed at the bottom of the connection pipe 10, the inner diameter of the threaded pipe 11 is greater than the outer diameter of the connection pipe 10, and a receiving groove 12 matched with the outer shape of the gasket 5 is formed between the threaded pipe 11 and the connection pipe 10, so that the nut 2 and the gasket 5 can be better matched.
Exemplarily, the root of the threaded pipe 11 is provided with a nut limit 13, so that when the nut 2 is screwed, the top of the outer side of the body 1 abuts against the nut limit 13, the nut 2 cannot be screwed any more, the nut 2 is positioned, and the installation is convenient.
Illustratively, the inner side of the body 1 is provided with a pipeline limiting part 14, so that the pipeline can be positioned and installed better during insertion, and the damage to the device caused by too deep pipeline insertion is avoided.
For better mounting of the sealing ring 4, the inner side of the body 1 is provided with a step 15 for placing the sealing ring 4.
Illustratively, in order to enable the annular clamp spring 6 to lock the pipeline more firmly, the annular clamp spring 6 is provided with an inverted buckle 16 which is arranged obliquely inwards.
Illustratively, the inner side or the outer side of the sealing ring 4 is provided with an annular groove 17, and the annular groove 17 is arranged along the circumferential direction of the sealing ring 4. Due to the design, the sealing ring 4 can deform under smaller pressure, and after the sealing ring 4 deforms, the contact area between the sealing ring 4 and the inner wall of the pipeline and the inner wall of the body 1 is larger, so that the water sealing effect is improved, and an ideal sealing effect is achieved.
Illustratively, the outer side of the body 1 is provided with uniformly distributed first anti-skid protrusions 18, and the outer side of the nut 2 is provided with uniformly distributed second anti-skid protrusions 19. Due to the design, the nut 2 can be conveniently screwed up by bare hands or using tools, the inconvenience in installation caused by hand sliding is avoided, and the large-size pipeline connection is particularly facilitated.
Exemplarily, in order to make the device rust-free, corrosion-resistant, and long service life, annular jump ring 6 is stainless steel, packing ring 5 is the plastics material.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (10)
1. A pipe fitting quick connection adjustable locking device is characterized by comprising a body and a nut, wherein the body is made into a three-way joint or a straight joint or an elbow joint, the nut is installed at the end part of a joint of the body, the end part of the joint of the body is provided with an internal thread, a joint inner hole of the body is sequentially sleeved with a sealing ring, a gasket and an annular clamp spring with a notch from the root to the inlet direction, the nut, the sealing ring and the gasket are respectively provided with a through hole for a pipeline to pass through, the nut is provided with an external thread in threaded connection with the end part of the joint of the body, the bottom of the inner side of the nut is provided with a first inclined plane, the upper part of the inner side of the gasket is provided with a second inclined plane, the annular clamp spring is positioned between the first inclined plane and the second inclined plane, when the pipe fitting quick connection adjustable locking device is locked, the second inclined plane abuts against the outer ring, when the pipe fitting quick connection adjustable locking device is loosened, the first inclined surface abuts against the inner ring of the annular clamp spring and props the annular clamp spring to separate from the pipeline.
2. The adjustable locking device for quick connection of pipe fittings as claimed in claim 1, wherein the nut comprises a connecting pipe and a threaded pipe, the connecting pipe is provided with a through hole for passing a pipeline, the threaded pipe is provided with an external thread which is in threaded connection with the joint end of the body, the threaded pipe is coaxially connected to the outside of the connecting pipe and is integrally formed with the connecting pipe, and the first inclined surface is arranged at the bottom of the connecting pipe.
3. The adjustable locking device for quick connection of pipe fittings according to claim 2, wherein the inner diameter of the threaded pipe is larger than the outer diameter of the connecting pipe, and a receiving groove matched with the shape of the gasket is formed between the threaded pipe and the connecting pipe.
4. The adjustable locking device for rapid connection of pipe fittings according to claim 2, wherein the root of the threaded pipe is provided with a nut limit.
5. The adjustable locking device for rapid connection of pipe fittings as claimed in claim 1, wherein the inner side of the body is provided with a pipe limit.
6. The adjustable locking device for quick connection of pipe fittings as claimed in claim 1, wherein the inner side of the body is provided with a step for placing a sealing ring.
7. The adjustable locking device for quick connection of pipe fittings as claimed in claim 1, wherein the annular snap spring is provided with an inverted buckle which is arranged obliquely inwards.
8. The adjustable locking device for quick connection of pipe fittings as claimed in claim 1, wherein an annular groove is arranged on the inner side or the outer side of the sealing ring, and the annular groove is arranged along the circumferential direction of the sealing ring.
9. The adjustable locking device for quickly connecting pipe fittings as claimed in claim 1, wherein the outer side of the body is provided with first anti-slip protrusions which are uniformly distributed, and the outer side of the nut is provided with second anti-slip protrusions which are uniformly distributed.
10. The adjustable locking device for rapid connection of pipe fittings as claimed in any one of claims 1 to 9, wherein the annular snap spring is made of stainless steel and the washer is made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920613342.9U CN209943769U (en) | 2019-04-29 | 2019-04-29 | Adjustable locking device for quick connection of pipe fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920613342.9U CN209943769U (en) | 2019-04-29 | 2019-04-29 | Adjustable locking device for quick connection of pipe fittings |
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| Publication Number | Publication Date |
|---|---|
| CN209943769U true CN209943769U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920613342.9U Active CN209943769U (en) | 2019-04-29 | 2019-04-29 | Adjustable locking device for quick connection of pipe fittings |
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| Country | Link |
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| CN (1) | CN209943769U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111994760A (en) * | 2020-09-16 | 2020-11-27 | 王飞 | Goods lift car |
| CN112013192A (en) * | 2020-09-08 | 2020-12-01 | 广东统塑管业有限公司 | Connecting sealing joint for plastic pipeline with smooth surface |
| CN114352813A (en) * | 2021-12-06 | 2022-04-15 | 绵阳创格科技有限公司 | Device for quick connection of multichannel pressure pipe |
-
2019
- 2019-04-29 CN CN201920613342.9U patent/CN209943769U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013192A (en) * | 2020-09-08 | 2020-12-01 | 广东统塑管业有限公司 | Connecting sealing joint for plastic pipeline with smooth surface |
| CN111994760A (en) * | 2020-09-16 | 2020-11-27 | 王飞 | Goods lift car |
| CN114352813A (en) * | 2021-12-06 | 2022-04-15 | 绵阳创格科技有限公司 | Device for quick connection of multichannel pressure pipe |
| CN114352813B (en) * | 2021-12-06 | 2024-05-24 | 绵阳创格科技有限公司 | Device for quick connection of multichannel pressure pipes |
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