CN218954319U - PVC plastic tubing external member - Google Patents
PVC plastic tubing external member Download PDFInfo
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- CN218954319U CN218954319U CN202223040595.2U CN202223040595U CN218954319U CN 218954319 U CN218954319 U CN 218954319U CN 202223040595 U CN202223040595 U CN 202223040595U CN 218954319 U CN218954319 U CN 218954319U
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- connecting sleeve
- sealing
- sleeve
- pvc plastic
- sealing ring
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Abstract
The utility model discloses a PVC plastic pipe sleeve, wherein one end of one PVC plastic pipe to be connected is placed in a left connecting sleeve, and is fixed in the left connecting sleeve through a first positioning sleeve; one end of the other PVC plastic pipe is placed in the right connecting sleeve and is positioned through the second positioning sleeve so as to prevent the plastic pipe from sliding in the connecting sleeve. Then leading the connecting pipe on the right connecting sleeve into the left connecting sleeve, enabling the first sealing ring and the second sealing ring to be respectively clamped into the first sealing groove and the second sealing groove, rotating the right connecting sleeve to enable the side face of the first flange chuck to be clamped to the side face of the second flange chuck, fixing the left connecting sleeve and the right connecting sleeve, and enabling the pipeline to be in sealing connection through the cooperation of the sealing device. And then rotating the sealing tube to enable the threads in the sealing tube to be connected with the threads on the outer side of the left connecting sleeve, so that the sealing tube is fixed on the connecting sleeve, and the sealing gasket is tightly attached to the connecting sleeve.
Description
Technical Field
The utility model relates to the technical field of PVC plastic pipes, in particular to a PVC plastic pipe sleeve.
Background
PVC plastic pipe is formed by extrusion molding of PVC resin, stabilizer, lubricant and the like by hot pressing after being matched, and is the plastic pipe which is developed and applied at the earliest time. PVC pipe has strong corrosion resistance, easy adhesion, low price and hard texture. Plastic pipes are used for drainage, waste water, chemicals, heating and cooling fluids, food products, ultrapure liquids, slurries, gases, compressed air and vacuum systems. It is a synthetic material that is popular, popular and widely used in the world today. Its global use is the second most common of various synthetic materials.
In general, PVC plastic pipes are limited in length and require two or more plastic pipes to be joined together for use to achieve the desired length. When in connection, a connecting sleeve is needed to connect the two ends of the plastic pipe together. Because PVC plastic tubing is mainly used in the transportation of some liquid and gas, the gas tightness requirement is higher to it, and the problem that gas tightness is poor appears more easily when two pipelines are connected, so the connection external member that the leakproofness is better just needs to connect it. The existing connecting device cannot achieve a good sealing effect and cannot well fix the plastic pipe.
Disclosure of Invention
In order to overcome the defects, the utility model provides a PVC plastic pipe sleeve, which aims to solve the problem that poor air tightness is more likely to occur when two pipelines are connected, so that a connection sleeve with good tightness is needed to connect the two pipelines. The existing connecting device cannot achieve a good sealing effect and cannot fix the plastic pipe well.
The utility model is realized in the following way:
the application provides a PVC plastic tubing external member includes left coupling assembling and right coupling assembling.
The left connecting assembly comprises a first sealing groove, a left connecting sleeve, a first flange chuck and a second sealing groove, wherein the first sealing groove is formed in the left connecting sleeve, the first flange chuck is arranged on the right side of the first sealing groove, the second sealing groove is formed in the first sealing groove, and the second sealing groove is formed on the right side of the first flange chuck. The right connecting assembly comprises a first sealing ring, a connecting pipe, a right connecting sleeve, a second flange chuck and a second sealing ring, wherein the first sealing ring is arranged on the connecting pipe, the connecting pipe is fixedly arranged at one end of the right connecting sleeve, the size of the connecting pipe is smaller than that of the right connecting sleeve, the second flange chuck is arranged on the right side of the first sealing ring, the second flange chuck corresponds to the first flange chuck, and the second sealing ring is arranged on the right side of the second flange chuck.
In a preferred technical scheme of the utility model, the first sealing groove is matched with the first sealing ring, and the second sealing groove is matched with the second sealing ring.
In a preferred technical scheme of the utility model, a first air bag sealing ring is arranged in the left connecting sleeve, and a second air bag sealing ring is arranged in the right connecting sleeve.
In a preferred technical scheme of the utility model, a first positioning sleeve is arranged in the left connecting sleeve, and the first positioning sleeve is arranged on the right side of the first air bag sealing ring.
In a preferred technical scheme of the utility model, the first positioning sleeve is provided with first fixing blocks, and the first fixing blocks are uniformly and annularly distributed on the inner ring of the first positioning sleeve.
In a preferred technical scheme of the utility model, a second positioning sleeve is arranged in the right connecting sleeve, and the second positioning sleeve is arranged at the left side of the second air bag sealing ring.
In a preferred technical scheme of the utility model, the second positioning sleeve is provided with second fixing blocks, and the second fixing blocks are uniformly and annularly distributed on the inner ring of the second positioning sleeve.
In a preferred technical scheme of the utility model, an external thread is arranged on the outer side of the left connecting sleeve, a sealing tube is arranged on the outer side of the right connecting sleeve, an internal thread is arranged in the sealing tube, and the external thread is consistent with the internal thread in rotation direction.
In a preferred embodiment of the present utility model, a gasket is disposed in the sealing tube.
In a preferred technical scheme of the utility model, front views of the non-connecting ends of the left connecting sleeve and the right connecting sleeve are conical.
The beneficial effects are that: one end of one PVC plastic pipe to be connected is placed in the left connecting sleeve, and is fixed in the left connecting sleeve through the first positioning sleeve; one end of the other PVC plastic pipe is placed in the right connecting sleeve, and is positioned through the second positioning sleeve, and the positioning sleeve is used for positioning, so that the plastic pipe is prevented from sliding in the connecting sleeve. Then leading the connecting pipe on the right connecting sleeve into the left connecting sleeve, enabling the first sealing ring and the second sealing ring to be respectively clamped into the first sealing groove and the second sealing groove, rotating the right connecting sleeve to enable the side face of the first flange chuck to be clamped to the side face of the second flange chuck, fixing the left connecting sleeve and the right connecting sleeve, and enabling the pipeline to be in sealing connection through the cooperation of the sealing device. And then rotating the sealing tube to enable the threads in the sealing tube to be connected with the threads on the outer side of the left connecting sleeve, so that the sealing tube is fixed on the connecting sleeve, and the sealing gasket is tightly attached to the connecting sleeve. The connecting sleeve can achieve good sealing effect, and can be well fixed to the plastic pipe, so that the practicability is high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an overall perspective structure provided by an embodiment of the present utility model;
fig. 2 is a schematic cross-sectional perspective view of a left connecting component according to an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional perspective view of a right connecting assembly according to an embodiment of the present utility model;
fig. 4 is a schematic perspective view of a connection overall structure according to an embodiment of the present utility model.
In the figure: 100-left connection assembly; 110-a first seal groove; 120-left connecting sleeve; 121-a first balloon seal ring; 122-a first positioning sleeve; 123-a first fixed block; 124-external threads; 130-a first flange chuck; 140-a second seal groove; 300-right connection assembly; 310-a first sealing ring; 320-connecting pipes; 330-right connecting sleeve; 331-a second bladder seal ring; 332-a second positioning sleeve; 333-a second fixed block; 334-sealing the tube; 335-internal threads; 336-a gasket; 340-a second flange chuck; 350-a second sealing ring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: a PVC plastic tubing set includes a left connector assembly 100 and a right connector assembly 300.
Referring to fig. 1-4, the pvc plastic pipe is mainly used for transporting some liquids and gases, and has a high air tightness requirement, so that the problem of poor air tightness is more likely to occur when two pipes are connected, and a connection sleeve with good tightness is needed to connect the two pipes. The existing connecting device cannot achieve a good sealing effect and cannot well fix the plastic pipe.
The left connecting assembly 100 comprises a first sealing groove 110, a left connecting sleeve 120, a first flange chuck 130 and a second sealing groove 140, wherein the first sealing groove 110 is formed in the left connecting sleeve 120, a first air bag sealing ring 121 is arranged in the left connecting sleeve 120, and the first air bag sealing ring 121 can be better attached to a plastic pipe. The left connecting sleeve 120 is internally provided with a first positioning sleeve 122, the first positioning sleeve 122 is arranged on the right side of the first air bag sealing ring 121, the first positioning sleeve 122 is provided with first fixing blocks 123, the first fixing blocks 123 are uniformly and annularly distributed on the inner ring of the first positioning sleeve 122, the first fixing blocks 123 are made of rubber materials, and friction between the plastic pipe and the connecting sleeve is increased. The left connecting sleeve 120 is provided with external threads 124 on the outside. The first flange chuck 130 is disposed on the right side of the first sealing groove 110, the second sealing groove 140 is disposed in the first sealing groove 110, and the second sealing groove 140 is disposed on the right side of the first flange chuck 130;
the right connecting assembly 300 comprises a first sealing ring 310, a connecting pipe 320, a right connecting sleeve 330, a second flange chuck 340 and a second sealing ring 350, wherein the first sealing ring 310 is arranged on the connecting pipe 320, the connecting pipe 320 is fixedly arranged at one end of the right connecting sleeve 330, the size of the connecting pipe 320 is smaller than that of the right connecting sleeve 330, a second air bag sealing ring 331 is arranged in the right connecting sleeve 330, a second positioning sleeve 332 is arranged in the right connecting sleeve 330, the second positioning sleeve 332 is arranged on the left side of the second air bag sealing ring 331, a second fixing block 333 is arranged on the second positioning sleeve 332, and the second fixing blocks 333 are uniformly distributed on the inner ring of the second positioning sleeve 332 in an annular mode. The outside of right adapter sleeve 330 is provided with sealed pipe 334, is provided with internal thread 335 in the sealed pipe 334, is provided with sealed pad 336 in the sealed pipe 334, and external screw thread 124 is the same with internal thread 335 rotation. The second flange chuck 340 is disposed on the right side of the first sealing ring 310, the second flange chuck 340 corresponds to the first flange chuck 130, the second sealing ring 350 is disposed on the right side of the second flange chuck 340, the first sealing groove 110 is matched with the first sealing ring 310, and the second sealing groove 140 is matched with the second sealing ring 350. The front view of the non-connecting ends of the left and right connection sleeves 120 and 330 is tapered.
Working principle: one end of one of the PVC plastic pipes to be connected is placed in the left connecting sleeve 120, and is fixed in the left connecting sleeve 120 through the first positioning sleeve 122; one end of the other PVC plastic tube is placed in the right connecting sleeve 330, is positioned by the second positioning sleeve 332 and is positioned by the positioning sleeve so as to prevent the plastic tube from sliding in the connecting sleeve. Then, the connecting pipe 320 on the right connecting sleeve 330 is led into the left connecting sleeve 120, so that the first sealing ring 310 and the second sealing ring 350 are respectively clamped into the first sealing groove 110 and the second sealing groove 140, the right connecting sleeve 330 is rotated to enable the side face of the first flange chuck 130 to be clamped to the side face of the second flange chuck 340, the left connecting sleeve 120 and the right connecting sleeve 330 are fixed, and the pipelines can be connected in a sealing way through the cooperation of the sealing device. And then the sealing tube 334 is rotated, so that the threads in the sealing tube 334 are connected with the threads on the outer side of the left connecting sleeve 120, the sealing tube 334 is fixed on the connecting sleeve, and the sealing gasket 336 is tightly attached to the connecting sleeve. The connecting sleeve can achieve good sealing effect, and can be well fixed to the plastic pipe, so that the practicability is high.
It should be noted that, specific model specifications of the air bag sealing ring need to be determined by selecting the model according to actual specifications of the device, and a specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.
The connection principle is clear to a person skilled in the art and will not be described in detail here.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A PVC plastic pipe kit, comprising
The left connecting assembly comprises a first sealing groove, a left connecting sleeve, a first flange chuck and a second sealing groove, wherein the first sealing groove is formed in the left connecting sleeve, the first flange chuck is arranged on the right side of the first sealing groove, the second sealing groove is formed in the first sealing groove, and the second sealing groove is arranged on the right side of the first flange chuck;
the right connecting assembly comprises a first sealing ring, a connecting pipe, a right connecting sleeve, a second flange chuck and a second sealing ring, wherein the first sealing ring is arranged on the connecting pipe, the connecting pipe is fixedly arranged at one end of the right connecting sleeve, the size of the connecting pipe is smaller than that of the right connecting sleeve, the second flange chuck is arranged on the right side of the first sealing ring, the second flange chuck corresponds to the first flange chuck, and the second sealing ring is arranged on the right side of the second flange chuck.
2. A PVC plastic pipe kit according to claim 1, wherein: the first sealing groove (110) is matched with the first sealing ring (310), and the second sealing groove (140) is matched with the second sealing ring (350).
3. A PVC plastic pipe kit according to claim 1, wherein: the left connecting sleeve is internally provided with a first air bag sealing ring, and the right connecting sleeve is internally provided with a second air bag sealing ring.
4. A PVC plastic pipe kit according to claim 3, wherein: the left connecting sleeve is internally provided with a first positioning sleeve, and the first positioning sleeve is arranged on the right side of the first air bag sealing ring.
5. A PVC plastic pipe kit according to claim 4, wherein: the first positioning sleeve is provided with first fixing blocks which are uniformly and annularly distributed on the inner ring of the first positioning sleeve.
6. A PVC plastic pipe kit according to claim 3, wherein: the right connecting sleeve is internally provided with a second positioning sleeve, and the second positioning sleeve is arranged on the left side of the second air bag sealing ring.
7. A PVC plastic pipe kit according to claim 6, wherein: the second locating sleeve is provided with second fixing blocks, and the second fixing blocks are uniformly distributed on the inner ring of the second locating sleeve in an annular mode.
8. A PVC plastic pipe kit according to claim 1, wherein: the left connecting sleeve is provided with an external thread on the outer side, the right connecting sleeve is provided with a sealing tube on the outer side, an internal thread is arranged in the sealing tube, and the external thread is consistent with the internal thread in rotation direction.
9. A PVC plastic pipe kit according to claim 8, wherein: and a sealing gasket is arranged in the sealing tube.
10. A PVC plastic pipe kit according to claim 1, wherein: front views of non-connecting ends of the left connecting sleeve and the right connecting sleeve are conical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223040595.2U CN218954319U (en) | 2022-11-16 | 2022-11-16 | PVC plastic tubing external member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223040595.2U CN218954319U (en) | 2022-11-16 | 2022-11-16 | PVC plastic tubing external member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218954319U true CN218954319U (en) | 2023-05-02 |
Family
ID=86106131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223040595.2U Active CN218954319U (en) | 2022-11-16 | 2022-11-16 | PVC plastic tubing external member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218954319U (en) |
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2022
- 2022-11-16 CN CN202223040595.2U patent/CN218954319U/en active Active
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