CN220060993U - Quick connector for PVC-O pipe - Google Patents
Quick connector for PVC-O pipe Download PDFInfo
- Publication number
- CN220060993U CN220060993U CN202321387281.1U CN202321387281U CN220060993U CN 220060993 U CN220060993 U CN 220060993U CN 202321387281 U CN202321387281 U CN 202321387281U CN 220060993 U CN220060993 U CN 220060993U
- Authority
- CN
- China
- Prior art keywords
- quick
- quick connecting
- pvc
- dovetail
- gland
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 210000004907 gland Anatomy 0.000 claims abstract description 34
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 11
- 210000001503 joint Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a quick connecting joint for a PVC-O pipe, which comprises a quick connecting body, a quick connecting gland and a dovetail-shaped sealing ring; sealing grooves are formed in two ends of the inner side of the quick connecting body, and the dovetail sealing rings are arranged in the sealing grooves; the quick connecting body is rotationally connected with the quick connecting gland in a rotating mode, and a rotating handle is arranged on the outer surface of the quick connecting gland. The quick connecting joint for the PVC-O pipe has the advantages of good sealing performance, difficult leakage at the joint, difficult falling of a pipeline, no need of large-scale construction tools, rapidness, safety and convenient construction, and the dovetail-shaped sealing ring is compacted on the quick connecting body by rotating the quick connecting gland.
Description
Technical Field
The utility model relates to the technical field of pipe joints, in particular to a quick connection joint for a PVC-O pipe.
Background
The pipe joint is a connecting tool between pipelines, is a detachable connecting point between an element and the pipeline, and is widely used in the pipeline field.
The existing PVC-O pipe is provided with a flexible joint of a rubber ring, the flexible joint comprises a bell mouth and a socket, the inside of the bell mouth is provided with a sealing rubber ring, the end part of the socket is required to be made into a chamfer groove, and when the flexible joint is installed and used, an excavator, a tightener and other devices are used for inserting a pipe into the bell mouth, so that the butt joint of two pipes is completed. However, the prior art scheme still has the defects that the sealing performance is poor, the sealing ring is easy to turn over during installation construction, the joint is leaked, the construction efficiency is low, the construction is inconvenient, and the construction cost is high.
Disclosure of Invention
The utility model aims to provide a quick connecting joint for a PVC-O pipe, which has good tightness, is not easy to cause leakage at an interface, is not easy to cause falling of a pipeline, is quick and safe, and is convenient to construct, and a dovetail-shaped sealing ring is compacted on a quick connecting body by rotating a quick connecting gland without large-scale construction tools.
In order to achieve the above purpose, the utility model provides a quick connection joint for a PVC-O pipe, which comprises a quick connection body, a quick connection gland and a dovetail-shaped sealing ring; sealing grooves are formed in two ends of the inner side of the quick connecting body, and the dovetail sealing rings are arranged in the sealing grooves; the quick connecting body is rotationally connected with the quick connecting gland in a rotating mode, and a rotating handle is arranged on the outer surface of the quick connecting gland.
Preferably, the bottom of seal groove all is equipped with tubular product male constant head tank.
Preferably, both ends of the inner side of the quick connecting gland are provided with a plurality of spiral surface clamping grooves which are uniformly distributed along the circumferential direction; the quick connecting body is characterized in that a plurality of spiral surface clamping blocks which are uniformly distributed along the circumferential direction are arranged at two ends of the outer side of the quick connecting body.
Preferably, the helix angle of the clamping groove is consistent with the helix angle of the clamping block; the spiral angle of the clamping groove and the clamping block is smaller than the self-locking angle of the spiral wedge surface, and the spiral directions are consistent; the self-locking angle of the spiral wedge surface is equal to the arctangent of the sliding friction coefficient between the quick-connection gland and the quick-connection body material.
Preferably, the dovetail sealing rings are provided with tooth structures on the sides contacted with the connecting pipes; and the contact end of the dovetail sealing ring and the quick connecting body is provided with a dovetail structure.
Therefore, the quick connecting joint for the PVC-O pipe has the advantages of good tightness, difficult leakage at the joint, difficult falling of a pipeline, no need of large-scale construction tools, rapidness, safety and convenient construction, and the dovetail sealing ring is compacted on the quick connecting body by rotating the quick connecting gland.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the screw clamping block is screwed, so that the quick-connection gland and the quick-connection body tightly compress the dovetail-shaped sealing ring, and leakage at the joint is not easy to cause.
2. The clamping blocks and the clamping grooves are spiral surfaces, the spiral rising angles of the spiral surfaces are consistent and smaller than the self-locking angles of the spiral surfaces, and the quick-connection gland and the quick-connection body can be guaranteed not to slip after being screwed.
3. The dovetail type sealing ring adopts a tooth-shaped labyrinth type and dovetail self-sealing structure, so that leakage is avoided in a low-pressure and high-pressure state.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a cross-sectional view of an embodiment of a quick connect coupling for PVC-O tubing in accordance with the present utility model;
FIG. 2 is an enlarged view of the portion A of FIG. 1 showing an embodiment of a quick connect coupling for PVC-O tubing in accordance with the present utility model;
FIG. 3 is a cross-sectional view of a quick connect gland for a quick connect fitting embodiment for a PVC-O tube in accordance with the present utility model;
FIG. 4 is a cross-sectional view of a quick connect coupling embodiment of the present utility model for a PVC-O pipe;
FIG. 5 is a cross-sectional view of a dovetail seal ring of an embodiment of a quick connect coupling for a PVC-O tube in accordance with the present utility model;
FIG. 6 is an enlarged view of the portion B of FIG. 5 showing an embodiment of a quick connect coupling for PVC-O tubing in accordance with the present utility model;
FIG. 7 is an enlarged view of the portion C of FIG. 5 showing an embodiment of a quick connect coupling for PVC-O tubing according to the present utility model.
Reference numerals
1. A quick connection body; 2. a gland is quickly connected; 3. a dovetail-shaped sealing ring; 4. sealing grooves; 5. rotating the handle; 6. a clamping groove; 7. a clamping block; 8. a positioning groove; 9. a spiral wedge surface.
Detailed Description
The technical scheme of the utility model is further described below through the attached drawings and the embodiments.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Example 1
As shown in fig. 1-2, a quick connector for a PVC-O pipe comprises a quick connector body 1, a quick connector gland 2 and a dovetail seal ring 3, wherein sealing grooves 4 are respectively arranged at two ends of the inner side of the quick connector body 1, the dovetail seal ring 3 is arranged in the sealing grooves 4, and the quick connector gland 2 is screwed in the quick connector body 1.
As shown in fig. 3, both ends of the inner side of the quick connecting gland 2 are respectively provided with a plurality of spiral surface clamping grooves 6 which are uniformly distributed along the circumferential direction, and the outer surface of the quick connecting gland 2 is provided with a rotary handle 5. As shown in fig. 4, the bottom end of the inner side sealing groove 4 of the quick connection body 1 is provided with a pipe insertion positioning groove 8, and two ends of the outer side of the quick connection body 1 are provided with a plurality of spiral surface clamping blocks 7 uniformly distributed along the circumferential direction. The fast connecting gland 2 is screwed by the rotary handle 5, the clamping block 7 of the fast connecting body 1 is screwed into the clamping groove 6 of the fast connecting gland 2, the spiral surface clamping groove 6 of the fast connecting gland 2 and the spiral surface clamping block 7 of the fast connecting body 1 are uniformly attached and pressed, and the connection strength is ensured, so that the dovetail sealing ring 3 is pressed on the fast connecting body 1, the clamping block 7 and the clamping groove 6 are uniformly distributed on the circumference, the pressure for pressing the dovetail sealing ring 3 is uniformly distributed, the tightness of the sealing is improved, and the leakage of the interface is not easy to cause.
The spiral angle of the clamping groove 6 is consistent with the spiral angle of the clamping block 7, the spiral angles of the clamping groove 6 and the clamping block 7 are smaller than the self-locking angle of the spiral wedge surface 9, the spiral directions are consistent, and the self-locking angle of the spiral wedge surface 9 is equal to the arctangent of the sliding friction coefficient between the quick connecting gland 2 and the quick connecting body 1. The clamping groove 6 and the clamping block 7 are of a spiral surface structure, and the spiral surface can be self-locked because the spiral angle is smaller than the self-locking angle, so that the quick connecting gland 2 and the quick connecting body 1 can generate a self-locking effect, and the quick connecting gland 2 and the quick connecting body 1 can be guaranteed not to slip after screwing.
As shown in fig. 5-7, the contact side of the dovetail sealing ring 3 and the connecting pipe is provided with a tooth structure, and the contact end of the dovetail sealing ring 3 and the quick connecting body 1 is provided with a dovetail structure. The dovetail-shaped sealing ring 3 adopts a tooth-shaped labyrinth type and dovetail self-sealing structure, so that leakage can be avoided in a low-pressure and high-pressure state.
When the quick connector for the PVC-O pipe is particularly used, firstly, the quick connector for the PVC-O pipe is conveyed to a place where the quick connector is required to be used, when a pipeline is required to be connected, an operator firstly sleeves a first PVC-O connecting pipe and a second PVC-O connecting pipe on a quick connecting body 1, a quick connecting gland 2 and a dovetail sealing ring 3 respectively, then the quick connecting gland 2 is screwed by a rotary handle 5, a clamping block 7 of the quick connecting body 1 enters a clamping groove 6 of the quick connecting gland 2, and the dovetail sealing ring 3 can be pressed on the quick connecting body 1 after rotating in place.
Therefore, the quick connecting joint for the PVC-O pipe has the advantages of good tightness, difficult leakage at the joint, difficult falling of a pipeline, no need of large-scale construction tools, rapidness, safety and convenient construction, and the dovetail sealing ring is compacted on the quick connecting body by rotating the quick connecting gland.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.
Claims (5)
1. The utility model provides a quick connect coupling for PVC-O pipe which characterized in that: comprises a quick-connection body, a quick-connection gland and a dovetail-shaped sealing ring; sealing grooves are formed in two ends of the inner side of the quick connecting body, and the dovetail sealing rings are arranged in the sealing grooves; the quick connecting body is rotationally connected with the quick connecting gland in a rotating mode, and a rotating handle is arranged on the outer surface of the quick connecting gland.
2. A quick connect coupling for PVC-O tubing as in claim 1, wherein: and positioning grooves for pipe insertion are formed in the bottom ends of the sealing grooves.
3. A quick connect coupling for PVC-O tubing as in claim 1, wherein: a plurality of spiral surface clamping grooves which are uniformly distributed along the circumferential direction are formed in the two ends of the inner side of the quick connecting gland; the quick connecting body is characterized in that a plurality of spiral surface clamping blocks which are uniformly distributed along the circumferential direction are arranged at two ends of the outer side of the quick connecting body.
4. A quick connect coupling for PVC-O tubing as in claim 3, wherein: the spiral angle of the clamping groove is consistent with the spiral angle of the clamping block; the spiral angle of the clamping groove and the clamping block is smaller than the self-locking angle of the spiral wedge surface, and the spiral directions are consistent; the self-locking angle of the spiral wedge surface is equal to the arctangent of the sliding friction coefficient between the quick-connection gland and the quick-connection body material.
5. A quick connect coupling for PVC-O tubing as in claim 1, wherein: a tooth structure is arranged on one side of the dovetail-shaped sealing ring, which is contacted with the connecting pipe; and the contact end of the dovetail sealing ring and the quick connecting body is provided with a dovetail structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321387281.1U CN220060993U (en) | 2023-06-02 | 2023-06-02 | Quick connector for PVC-O pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321387281.1U CN220060993U (en) | 2023-06-02 | 2023-06-02 | Quick connector for PVC-O pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220060993U true CN220060993U (en) | 2023-11-21 |
Family
ID=88783891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321387281.1U Active CN220060993U (en) | 2023-06-02 | 2023-06-02 | Quick connector for PVC-O pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220060993U (en) |
-
2023
- 2023-06-02 CN CN202321387281.1U patent/CN220060993U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A quick connector for PVC-O pipes Granted publication date: 20231121 Pledgee: Bank of China Limited Baoding Branch Pledgor: HEBEI CONSTRUCTION & INVESTMENT BAOSU PIPE INDUSTRY Co.,Ltd. Registration number: Y2024980019935 |