CN211901983U - Plastic pipe connecting piece - Google Patents
Plastic pipe connecting piece Download PDFInfo
- Publication number
- CN211901983U CN211901983U CN202020507770.6U CN202020507770U CN211901983U CN 211901983 U CN211901983 U CN 211901983U CN 202020507770 U CN202020507770 U CN 202020507770U CN 211901983 U CN211901983 U CN 211901983U
- Authority
- CN
- China
- Prior art keywords
- pipe
- annular cavity
- sleeve
- wall
- sealing ring
- 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
Images
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model provides a plastic pipe connecting piece, which comprises an intermediate pipe, an inner sleeve pipe I, an outer sleeve pipe I, a sealing ring I, a compression pipe I, an inner sleeve pipe II, an outer sleeve pipe II, a sealing ring II and a compression pipe II; the first inner sleeve and the second inner sleeve are respectively fixed at two ends of the middle pipe; the outer sleeve is sleeved outside the inner sleeve; a first annular cavity is formed between the first outer sleeve and the first inner sleeve; a pipe orifice of the first pipeline is outwards turned and extends into the first annular cavity; the first sealing ring is arranged in the first annular cavity; the first compression pipe is composed of a first inner cylinder and a first outer cylinder sleeved outside the first inner cylinder; the outer sleeve is sleeved outside the inner sleeve II; a second annular cavity is formed between the second outer sleeve and the second inner sleeve; the pipe orifice of the second pipeline is outwards turned and extends into the annular cavity II; the second sealing ring is arranged in the second annular cavity; the second compression pipe is composed of a second inner cylinder and a second outer cylinder sleeved outside the inner cylinder. The utility model discloses can effectively resist external force and pull or wrench movement, connect firmly stably, difficult not hard up or drop, the leakproofness is good, is difficult for leaking.
Description
Technical Field
The utility model belongs to the technical field of the pipe connection, concretely relates to plastic pipe connecting piece.
Background
The plastic pipeline is frequently used in daily life and factories, when the existing plastic pipeline is connected, a joint is usually connected between two pipelines, before connection, the pipeline port and the joint port are respectively heated and softened and then immediately butted, and after the connection part is cooled, the connection of the two pipelines is completed.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide a plastic pipe connector which can effectively resist external force and pull or twist, avoid the loose or falling of the joint, and has good sealing performance and no water leakage.
The specific technical scheme is as follows:
a plastic pipeline connecting piece comprises a middle pipe, an inner sleeve I, an outer sleeve I, a pipeline I, a sealing ring I, a pressing pipe I, an inner sleeve II, an outer sleeve II, a pipeline II, a sealing ring II and a pressing pipe II; the first inner sleeve and the second inner sleeve are respectively fixed at two ends of the middle pipe and are communicated with the middle pipe; the outer sleeve is sleeved outside the inner sleeve, and threads are arranged on the inner wall and the outer wall of the outer sleeve; a first annular cavity is formed between the first outer sleeve and the first inner sleeve; one side of the annular cavity I, which is close to the middle pipe, is closed and fixed on the middle pipe, and one side of the annular cavity I, which is far away from the middle pipe, is opened; a pipe orifice of the pipeline I is sleeved on the inner sleeve I in an outward-turning manner and extends into the annular cavity I; the first sealing ring is arranged in the first annular cavity and is contacted with the eversion position of the first pipe orifice of the pipeline; the first compression pipe is composed of a first inner cylinder and a first outer cylinder sleeved outside the first inner cylinder, and a third annular cavity is formed between the first inner cylinder and the first outer cylinder; one side of the annular cavity III, which is close to the middle pipe, is opened, and the side of the annular cavity III, which is far from the middle pipe, is closed; the inner cylinder is sleeved outside the first pipeline and spirally extends into the annular cavity I to be in press fit with the first sealing ring, and the outer wall of the inner cylinder I is in threaded fit with the inner wall of the outer sleeve I; the outer barrel is sleeved on the outer wall of the outer sleeve and is in threaded fit with the outer wall of the outer sleeve; the outer sleeve is sleeved outside the inner sleeve II, and threads are arranged on the inner wall and the outer wall of the outer sleeve II; a second annular cavity is formed between the second outer sleeve and the second inner sleeve; one side of the annular cavity II, which is close to the middle pipe, is closed and fixed on the middle pipe, and one side of the annular cavity II, which is far away from the middle pipe, is opened; the pipe orifice of the second pipeline is sleeved on the second inner sleeve in an everting manner and extends into the second annular cavity; the second sealing ring is arranged in the second annular cavity and is in contact with the eversion position of the pipe orifice of the second pipeline; the second compression pipe is composed of a second inner cylinder and a second outer cylinder sleeved outside the inner cylinder, and a fourth annular cavity is formed between the second inner cylinder and the second outer cylinder; one side of the annular cavity IV, which is close to the middle pipe, is opened, and the other side of the annular cavity IV, which is far from the middle pipe, is closed; the inner cylinder is sleeved outside the pipeline and spirally extends into the annular cavity II to be in press fit with the sealing ring II, and the outer wall of the inner cylinder II is in threaded fit with the inner wall of the outer sleeve II; the outer sleeve is sleeved on the outer wall of the outer sleeve II and is in threaded fit with the outer wall of the outer sleeve.
Further, the plastic pipeline connecting piece also comprises a third sealing ring and a fourth sealing ring; the third sealing ring is arranged in the third annular cavity and is in compression fit with the first outer sleeve; and the sealing ring IV is arranged in the annular cavity IV and is in press fit with the outer sleeve II.
Furthermore, a plurality of annular bulges are arranged on the outer walls of the first inner sleeve and the second inner sleeve.
Furthermore, the outer wall of the first outer barrel of the first compression pipe and the outer wall of the second outer barrel of the second compression pipe are provided with anti-skid grains.
Furthermore, the inner walls of the first inner cylinder of the compression pipe and the second inner cylinder of the compression pipe are inclined from the direction close to the middle pipe to the direction far away from the middle pipe, the inclination is 0.5-1 degrees, and the inner diameters of the first inner cylinder of the compression pipe and the second inner cylinder of the compression pipe are equivalent to the fact that the inner diameters of the first inner cylinder of the compression pipe and the second inner cylinder of the compression pipe gradually decrease from the direction close to the middle pipe to the direction far away from the middle.
The utility model discloses can effectively resist external force and pull or wrench movement, connect firmly stably, difficult not hard up or drop, the leakproofness is good, is difficult for leaking.
Drawings
Fig. 1 is a schematic structural view of a plastic pipe connector of the present invention;
shown in the figure: 1-middle pipe, 2-inner sleeve pipe I, 3-outer sleeve pipe I, 4-annular cavity I, 5-pipeline I, 6-sealing ring I, 7-pressing pipe I, 8-inner cylinder I, 9-outer cylinder I, 10-annular cavity III, 11-sealing ring III, 12-inner sleeve pipe II, 13-outer sleeve pipe II, 14-annular cavity II, 15-pipeline II, 16-sealing ring II, 17-pressing pipe II, 18-inner cylinder II, 19-outer cylinder II, 20-annular cavity IV and 21-sealing ring IV.
Detailed Description
The principles and features of the present invention are described below in conjunction with the embodiments, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
As shown in fig. 1, the utility model discloses a plastic pipe connector, which comprises a middle pipe 1, an inner sleeve pipe 2, an outer sleeve pipe 3, a pipe 5, a sealing ring 11, a pressing pipe 7, an inner sleeve pipe 12, an outer sleeve pipe 13, a pipe 15, a sealing ring 16 and a pressing pipe 17; the inner sleeve I2 and the inner sleeve II 12 are respectively fixed at two ends of the middle pipe 1 and are communicated with the middle pipe 1; the outer sleeve I3 is sleeved outside the inner sleeve I2, and threads are arranged on the inner wall and the outer wall of the outer sleeve I3; an annular cavity I4 is formed between the outer sleeve I3 and the inner sleeve I2; one side of the annular cavity I4, which is close to the middle pipe 1, is closed and fixed on the middle pipe 1, and one side of the annular cavity I, which is far away from the middle pipe 1, is opened; the pipe orifice of the pipeline I5 is sleeved on the inner sleeve I2 in an everting manner and extends into the annular cavity I4; the sealing ring I6 is arranged in the annular cavity I4 and is contacted with the eversion position of the pipe orifice of the pipeline I5; the first compression pipe 7 is composed of a first inner cylinder 8 and a first outer cylinder 9 sleeved outside the first inner cylinder 8, and a third annular cavity 10 is formed between the first inner cylinder 8 and the first outer cylinder 9; one side of the annular cavity III 10, which is close to the middle pipe 1, is opened, and the side, which is far from the middle pipe 1, is closed; the inner cylinder I8 is sleeved outside the pipeline I5 and spirally extends into the annular cavity I4 to be in press fit with the sealing ring I6, and the outer wall of the inner cylinder I8 is in threaded fit with the inner wall of the outer sleeve I3; the outer sleeve I9 is sleeved on the outer wall of the outer sleeve I3 and is in threaded fit with the outer wall of the outer sleeve I3; the outer sleeve II 13 is sleeved outside the inner sleeve II 12, and threads are arranged on the inner wall and the outer wall of the outer sleeve II 13; an annular cavity II 14 is formed between the outer sleeve II 13 and the inner sleeve II 12; one side of the annular cavity II 14, which is close to the middle pipe 1, is closed and fixed on the middle pipe 1, and one side, which is far away from the middle pipe 1, is opened; the pipe orifice of the second pipeline 15 is sleeved on the second inner sleeve 12 in an everting manner and extends into the second annular cavity 14; the second sealing ring 16 is arranged in the annular cavity II 14 and is contacted with the eversion position of the pipe orifice of the second pipeline 15; the second compression pipe 17 is composed of a second inner cylinder 18 and a second outer cylinder 19 sleeved outside the second inner cylinder 18, and an annular cavity IV 20 is formed between the second inner cylinder 18 and the second outer cylinder 19; the annular cavity four 20 is opened at one side close to the middle pipe 1 and is closed at one side far away from the middle pipe 1; the inner cylinder II 18 is sleeved outside the pipeline II 15 and spirally extends into the annular cavity II 20 to be in compression fit with the sealing ring II 21, and the outer wall of the inner cylinder II 18 is in threaded fit with the inner wall of the outer sleeve II 13; the second outer cylinder 19 is sleeved on the outer wall of the second outer sleeve 13 and is in threaded fit with the outer wall of the second outer sleeve 13.
Further, the plastic pipeline connecting piece also comprises a third sealing ring 11 and a fourth sealing ring 21; the third sealing ring 11 is arranged in the annular cavity third 10 and is in press fit with the first outer sleeve 3; the sealing ring four 21 is arranged in the annular cavity four 20 and is in press fit with the outer sleeve two 13.
Furthermore, a plurality of annular bulges are arranged on the outer walls of the first inner sleeve 2 and the second inner sleeve 12.
Furthermore, the outer wall of the outer cylinder I9 of the first compression pipe I7 and the outer wall of the outer cylinder II 19 of the second compression pipe II 17 are provided with anti-skid grains.
Furthermore, the inner walls of the first inner cylinder 8 of the first compression pipe 7 and the inner walls of the second inner cylinder 18 of the second compression pipe 17 are inclined from the direction close to the middle pipe 1 to the direction far from the middle pipe 1, the inclination is 0.5-1 degrees, and the inner diameters of the first inner cylinder 8 of the first compression pipe 7 and the inner diameters of the second inner cylinder 18 of the second compression pipe 17 are gradually reduced from the direction close to the middle pipe 1 to the direction far from the middle pipe 1.
The utility model discloses a main aim at connecting tube one 5 and pipeline two 15. The connection steps are as follows:
a. sleeving an inner cylinder I8 of a first compression pipe 7 outside the pipeline I5, and sliding outwards to expose a pipe orifice of the pipeline I5; and sleeving the inner cylinder II 18 of the second compression pipe 17 outside the second pipeline 15, and sliding outwards to expose the pipe orifice of the second pipeline 15.
b. And respectively heating and softening the pipe orifices of the first pipeline 5 and the second pipeline 15 by using a baking lamp and the like, turning the pipe orifices of the first pipeline 5 and the second pipeline 15 outwards, wherein the length of the outwards-turned parts is equal to or less than the thickness of the cavity of the first annular cavity 4 and the cavity of the second annular cavity 14.
c. Sleeving the pipeline I5 outside the inner sleeve I2, and inserting the outward-turned pipe orifice of the pipeline I5 into the annular cavity I4; and sleeving the second pipeline 15 outside the second inner sleeve 12, and inserting the outward-turning pipe orifice of the first pipeline 15 into the second annular cavity 14.
d. The outer wall of the outer cylinder I9 of the first compression pipe I7 is held and screwed towards the direction close to the middle pipe 1 until the inner cylinder I8 is completely screwed into the annular cavity I4 to compress the first sealing ring 6, and simultaneously the outer cylinder I8 of the first compression pipe I7 is screwed into the annular cavity III 10 to compress the third sealing ring 11.
e. The outer wall of the outer cylinder II 19 of the second pressing pipe II 7 is held and screwed towards the direction close to the middle pipe 1 until the inner cylinder II 18 is completely screwed into the annular cavity II 14 to press the seal ring II 16, and simultaneously the outer cylinder II 18 of the second pressing pipe 17 is screwed into the annular cavity IV 20 to press the seal ring IV 21.
f. After the above steps are completed, the connection between the first pipe 5 and the second pipe 15 is completed. The structure has the advantages that the first pipeline 5 and the second pipeline 15 are not easy to loosen or fall off under the action of external tension, and water leakage is not easy to occur.
The protection scope of the present invention is not limited to the technical solution disclosed in the specific embodiment, and all the modifications, equivalent replacements, improvements, etc. made by the technical entity of the present invention to the above embodiments all fall into the protection scope of the present invention.
Claims (5)
1. A plastic pipeline connecting piece is characterized by comprising a middle pipe, an inner sleeve I, an outer sleeve I, a pipeline I, a sealing ring I, a pressing pipe I, an inner sleeve II, an outer sleeve II, a pipeline II, a sealing ring II and a pressing pipe II; the first inner sleeve and the second inner sleeve are respectively fixed at two ends of the middle pipe and are communicated with the middle pipe; the outer sleeve is sleeved outside the inner sleeve, and threads are arranged on the inner wall and the outer wall of the outer sleeve; a first annular cavity is formed between the first outer sleeve and the first inner sleeve; one side of the annular cavity I, which is close to the middle pipe, is closed and fixed on the middle pipe, and one side of the annular cavity I, which is far away from the middle pipe, is opened; a pipe orifice of the pipeline I is sleeved on the inner sleeve I in an outward-turning manner and extends into the annular cavity I; the first sealing ring is arranged in the first annular cavity and is contacted with the eversion position of the first pipe orifice of the pipeline; the first compression pipe is composed of a first inner cylinder and a first outer cylinder sleeved outside the first inner cylinder, and a third annular cavity is formed between the first inner cylinder and the first outer cylinder; one side of the annular cavity III, which is close to the middle pipe, is opened, and the side of the annular cavity III, which is far from the middle pipe, is closed; the inner cylinder is sleeved outside the first pipeline and spirally extends into the annular cavity I to be in press fit with the first sealing ring, and the outer wall of the inner cylinder I is in threaded fit with the inner wall of the outer sleeve I; the outer barrel is sleeved on the outer wall of the outer sleeve and is in threaded fit with the outer wall of the outer sleeve; the outer sleeve is sleeved outside the inner sleeve II, and threads are arranged on the inner wall and the outer wall of the outer sleeve II; a second annular cavity is formed between the second outer sleeve and the second inner sleeve; one side of the annular cavity II, which is close to the middle pipe, is closed and fixed on the middle pipe, and one side of the annular cavity II, which is far away from the middle pipe, is opened; the pipe orifice of the second pipeline is sleeved on the second inner sleeve in an everting manner and extends into the second annular cavity; the second sealing ring is arranged in the second annular cavity and is in contact with the eversion position of the pipe orifice of the second pipeline; the second compression pipe is composed of a second inner cylinder and a second outer cylinder sleeved outside the inner cylinder, and a fourth annular cavity is formed between the second inner cylinder and the second outer cylinder; one side of the annular cavity IV, which is close to the middle pipe, is opened, and the other side of the annular cavity IV, which is far from the middle pipe, is closed; the inner cylinder is sleeved outside the pipeline and spirally extends into the annular cavity II to be in press fit with the sealing ring II, and the outer wall of the inner cylinder II is in threaded fit with the inner wall of the outer sleeve II; the outer sleeve is sleeved on the outer wall of the outer sleeve II and is in threaded fit with the outer wall of the outer sleeve.
2. The plastic pipe connection member according to claim 1, further comprising a third sealing ring and a fourth sealing ring; the third sealing ring is arranged in the third annular cavity and is in compression fit with the first outer sleeve; and the sealing ring IV is arranged in the annular cavity IV and is in press fit with the outer sleeve II.
3. The plastic pipe coupling member as claimed in claim 1, wherein a plurality of annular protrusions are formed on outer walls of the first and second inner sleeves.
4. The plastic pipe connecting piece according to claim 1, wherein the outer wall of the first outer cylinder of the first pressing pipe and the outer wall of the second outer cylinder of the second pressing pipe are provided with anti-slip threads.
5. The plastic pipe coupling member as claimed in any one of claims 1 to 4, wherein the inner walls of the inner cylinders of the compression pipes are inclined from the direction close to the middle pipe toward the direction away from the middle pipe by an angle of 0.5 to 1 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020507770.6U CN211901983U (en) | 2020-04-09 | 2020-04-09 | Plastic pipe connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020507770.6U CN211901983U (en) | 2020-04-09 | 2020-04-09 | Plastic pipe connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211901983U true CN211901983U (en) | 2020-11-10 |
Family
ID=73273984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020507770.6U Active CN211901983U (en) | 2020-04-09 | 2020-04-09 | Plastic pipe connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211901983U (en) |
-
2020
- 2020-04-09 CN CN202020507770.6U patent/CN211901983U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201715135U (en) | Pipeline fast-repair thread casing joint | |
| CN202884329U (en) | Gas hose coupler | |
| CN102313090A (en) | Quick-service thread sleeve pipe joint for pipeline | |
| CN211901983U (en) | Plastic pipe connecting piece | |
| CN211423652U (en) | Pipe joint structure | |
| CN200949720Y (en) | Thermostable metal corrugated pipe rapid adapter | |
| CN210484940U (en) | Hose coupler with sealing structure | |
| CN201715134U (en) | Pipeline fast-repair casing joint | |
| CN209115820U (en) | Double-wall corrugated pipe connection and plastic double-walled corrugated pipe with flaring | |
| CN205001756U (en) | Pipeline rapid repairing device | |
| CN204004964U (en) | A kind of metal fast joint | |
| CN203517102U (en) | Flexible pipe connector | |
| CN201858454U (en) | Splicing pipe connecting pipe fitting with bushing | |
| CN212617036U (en) | Novel flexible hose joint is restoreed in non-excavation of oil field pipeline | |
| CN203147131U (en) | Four-way pipe connector with inner threads | |
| CN202868166U (en) | Rapid inserting tube connector | |
| CN210088207U (en) | Sealed hard locking anti-loosening connector for socket rubber ring | |
| CN208253023U (en) | It is threadedly coupled injection molding steel modeling conversion pipe fitting | |
| CN211902014U (en) | Plastic pipe joint | |
| CN212868909U (en) | Nylon hose connector | |
| CN213089124U (en) | Pipeline connecting device for solving different materials | |
| CN216520128U (en) | High-pressure pipeline sealing ring for union | |
| CN212273321U (en) | Axial leakage-proof double-sealing pipe fitting | |
| CN102454841A (en) | Inserted connecting pipe fitting with bushing | |
| CN221221848U (en) | Novel connection structure of flow battery pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |