CN213394081U

CN213394081U - Anti-pulling joint for PVC-O pipe

Info

Publication number: CN213394081U
Application number: CN202022461096.5U
Authority: CN
Inventors: 高长全; 刘建民; 王迎涛; 周少鹏
Original assignee: Hebei Construction & Investment Baosu Pipe Industry Co ltd
Current assignee: Hebei Construction & Investment Baosu Pipe Industry Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-06-08
Anticipated expiration: 2030-10-29

Abstract

The utility model relates to the technical field of pipe joints, in particular to an anti-pulling joint for a PVC-O pipe, which comprises a first inner connecting pipe and a second inner connecting pipe, wherein the first inner connecting pipe is sleeved with a first PVC-O pipe, the second inner connecting pipe is sleeved with a second PVC-O pipe, and the anti-pulling joint also comprises a clamping device, the peripheries of the first inner connecting pipe and the second inner connecting pipe are respectively provided with a plurality of clamping grooves, the outer walls of the first inner connecting pipe and the second inner connecting pipe are respectively connected with a plurality of outer connecting pipes through a plurality of clamping bolts, the inner side wall of the outer connecting pipe is connected with a plurality of annular clamping blocks, the first inner connecting pipe is provided with a connecting threaded hole, the left end of the second inner connecting pipe is connected with a connecting bolt matched with the connecting threaded hole, the connecting bolt is provided with a water through hole, the sealing performance is better, the joint is not easy to cause leakage, and the anti-pulling performance, the pipeline is not easy to fall off, and the practicability is high.

Description

Anti-pulling joint for PVC-O pipe

Technical Field

The utility model relates to the technical field of pipe joints, in particular to an anti-pulling joint for a PVC-O pipe.

Background

As is known, a pipe joint is a connecting tool between a pipe and a pipeline, and is a detachable connecting point between an element and the pipeline, and the pipeline is widely used in the field.

The existing anti-pulling joint for the PVC-O pipe comprises a driving joint and a driven joint, wherein threads are arranged on the periphery of the driving joint, screw holes matched with the threads are formed in the driven joint, a sealing ring is arranged inside the driven joint, and when the anti-pulling joint is used, the driving joint is screwed into the driven joint through the screw matching of the threads and the screw holes, so that the butt joint of two pipelines is completed.

However, the prior art scheme still has the following defects that the sealing performance is poor, the leakage at the joint is easy to cause, the pull resistance is poor, the pipeline is easy to fall off, and the practicability is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the deficiency of the prior art, the utility model provides a PVC-O is with anti-drawing joint, its leakproofness is better, is difficult for causing the kneck to leak to its anti-drawing nature is better, is difficult for causing the pipeline to drop, and the practicality is higher.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a PVC-O is with anti-drawing joint, includes first inner union and second inner union, the cover is equipped with first PVC-O pipe on the first inner union, the cover is equipped with second PVC-O pipe on the second inner union, still includes clamping device, the periphery of first inner union and second inner union all is provided with a plurality of draw-in grooves to all be connected with a plurality of outer takeovers through a plurality of chucking bolted connections on the outer wall of first inner union and second inner union, be connected with a plurality of annular fixture blocks on the inside wall of outer takeover, seted up connecting screw hole on the first inner union, the left end of second inner union is connected with the connecting bolt with connecting screw hole complex to the limbers has been seted up on the connecting bolt.

Preferably, the clamping device comprises a first clamping ring and a second clamping ring, the first clamping ring is sleeved on the first PVC-O pipe, and the second clamping ring is sleeved on the second PVC-O pipe.

Preferably, the first snap ring and the second snap ring are both connected with a fixed plate and a movable plate, and the fixed plate and the movable plate are fixedly connected through a locking bolt.

Preferably, the rear end of the first clamping ring is connected with a first clamping plate, and the rear end of the second clamping ring is connected with a second clamping plate.

Preferably, the first clamping plate and the second clamping plate are both provided with clamping threaded holes, and clamping bolts are connected in the clamping threaded holes in an internal thread mode.

Preferably, at least one first sealing ring is connected to the left end of the first inner joint pipe.

Preferably, at least one second packing is coupled to a right end of the second inner nipple.

Preferably, the inner side walls of the first clamping ring and the second clamping ring are both connected with anti-slip pads.

(III) advantageous effects

Compared with the prior art, the utility model provides a PVC-O is with anti-drawing joint, possess following beneficial effect:

1. according to the anti-pulling joint for the PVC-O pipe, the external connecting pipe can be close to the first internal connecting pipe and the second internal connecting pipe by screwing the clamping bolt, the first PVC-O pipe and the second PVC-O pipe are clamped tightly under the action of the annular clamping block and the clamping groove, the sealing performance is good, and the joint leakage is not easy to cause.

2. According to the anti-pulling joint for the PVC-O pipe, the first PVC-O pipe and the second PVC-O pipe are clamped tightly through the annular clamping block and the clamping groove, so that the anti-pulling performance of the anti-pulling joint for the PVC-O pipe is improved conveniently, the first PVC-O pipe and the second PVC-O pipe can not fall off easily through the arrangement of the clamping device, the anti-pulling performance is good, the pipeline cannot fall off easily, and the practicability is high.

Drawings

FIG. 1 is a schematic view of a front cross-sectional plane structure of the present invention;

FIG. 2 is a schematic view of the overall three-dimensional structure of the present invention;

fig. 3 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present invention;

fig. 4 is a schematic diagram of a partial enlarged structure at B in fig. 2 according to the present invention.

In the figure: 1. a first inner connecting pipe; 2. a second inner connecting pipe; 3. a first PVC-O tube; 4. a second PVC-O tube; 5. clamping the bolt; 6. an external connection pipe; 7. an annular fixture block; 8. a connecting bolt; 9. a water through hole; 10. a first snap ring; 11. a second snap ring; 12. a fixing plate; 13. a movable plate; 14. locking the bolt; 15. a first clamping plate; 16. a second clamping plate; 17. clamping the bolt; 18. a first seal ring; 19. a second seal ring; 20. a non-slip mat.

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 work belong to the protection scope of the present invention.

Examples

Referring to fig. 1 to 4, an anti-pulling joint for a PVC-O pipe comprises a first inner pipe 1 and a second inner pipe 2, the first inner pipe 1 is sleeved with a first PVC-O pipe 3, the second inner pipe 2 is sleeved with a second PVC-O pipe 4, and a clamping device, the clamping device comprises a first snap ring 10 and a second snap ring 11, the first snap ring 10 is sleeved on the first PVC-O pipe 3, the second snap ring 11 is sleeved on the second PVC-O pipe 4, inner side walls of the first snap ring 10 and the second snap ring 11 are both connected with anti-sliding pads 20, friction force between the first snap ring 10 and the first PVC-O pipe 3, and between the second snap ring 11 and the second PVC-O pipe 4 can be improved, the first PVC-O pipe 3 and the second PVC-O pipe 4 can be conveniently clamped, the anti-pulling joint 20 can play a role in protection, and abrasion of the first snap ring 10 and the second snap ring 11 to the first PVC-O pipe 3 and the second PVC-O pipe 4 can be reduced The first clamping ring 10 and the second clamping ring 11 can respectively clamp the first PVC-O tube 3 and the second PVC-O tube 4, the first clamping ring 10 and the second clamping ring 11 are respectively connected with a fixed plate 12 and a movable plate 13, the fixed plate 12 and the movable plate 13 are fixedly connected through a locking bolt 14, the first clamping ring 10 and the second clamping ring 11 can be respectively sleeved on the first PVC-O tube 3 and the second PVC-O tube 4 by screwing down the locking bolt 14, the movable plate 13 and the fixed plate 12 can be close to each other by screwing down the locking bolt 14, so that the first PVC-O tube 3 and the second PVC-O tube 4 are clamped, the rear end of the first clamping ring 10 is connected with a first clamping plate 15, the rear end of the second clamping ring 11 is connected with a second clamping plate 16, and the installation of a clamping bolt 17 is facilitated, clamping threaded holes are formed in the first clamping plate 15 and the second clamping plate 16, clamping bolts 17 are connected with the clamping threaded holes in an internal thread mode, the first clamping plate 15 and the second clamping plate 16 can be close to each other by screwing the clamping bolts 17, so that the first clamping ring 10 and the second clamping ring 11 are driven to be close to each other, the first PVC-O pipe 3 and the second PVC-O pipe 4 can be clamped conveniently, the phenomenon that the pipelines fall off is reduced, and the anti-pull performance of the anti-pull joint for the PVC-O pipe is improved.

It should be further noted that a plurality of clamping grooves are respectively arranged on the peripheries of the first inner connecting tube 1 and the second inner connecting tube 2, a plurality of outer connecting tubes 6 are respectively connected to the outer walls of the first inner connecting tube 1 and the second inner connecting tube 2 through a plurality of clamping bolts 5, a plurality of annular clamping blocks 7 are connected to the inner side wall of the outer connecting tube 6, the first PVC-O tube 3 and the second PVC-O tube 4 are respectively clamped between the first inner connecting tube 1 and the outer connecting tube 6 and between the second inner connecting tube 2 and the outer connecting tube 6 through the cooperation of the annular clamping blocks 7 and the clamping grooves, the first PVC-O tube 3 and the second PVC-O tube 4 are conveniently fixed, the left end of the first inner connecting tube 1 is connected with at least one first sealing ring 18, so as to improve the sealing performance at the position of the first inner connecting tube 1, so that the water flows through the first inner connecting tube 1, and reduce the water leakage of the anti-pull-out inner connecting joint for PVC-O tubes, the right end of the second inner connecting pipe 2 is connected with at least one second sealing ring 19, which is convenient for improving the sealing performance of the second inner connecting pipe 2, so that water flows through the second inner connecting pipe 2, and further reduces the water leakage of the pull-out resistant joint for the PVC-O pipe, the first inner connecting pipe 1 is provided with a connecting threaded hole, the left end of the second inner connecting pipe 2 is connected with a connecting bolt 8 matched with the connecting threaded hole, the connecting bolt 8 can be screwed into the connecting threaded hole through the threaded matching of the connecting bolt 8 and the connecting threaded hole, so that the connection of the first inner connecting pipe 1 and the second inner connecting pipe 2 is completed, namely the connection of the first PVC-O pipe 3 and the second PVC-O pipe 4 is completed, the connecting bolt 8 is provided with a water through hole 9, so that the water flows in the water through hole 9, the outer connecting pipe 6 can be close to the first inner connecting pipe 1 and the second inner connecting pipe 2 by screwing the clamping bolt 5, the first PVC-O pipe 3 and the second PVC-O pipe 4 are driven to approach each other, the sealing performance is convenient to improve, the first PVC-O pipe 3 and the second PVC-O pipe 4 can be clamped tightly through the action of the annular clamping block 7 and the clamping groove, the sealing performance is good, and the leakage at the joint is not easy to cause.

In summary, the working principle and working process of the anti-pull joint for PVC-O pipes are that when the anti-pull joint for PVC-O pipes is used, the anti-pull joint for PVC-O pipes is firstly transported to a place where it is needed, when pipes need to be connected, an operator firstly sleeves the first PVC-O pipe 3 and the second PVC-O pipe 4 on the first inner connecting pipe 1 and the second inner connecting pipe 2 respectively, then tightens the clamping bolt 5 to make the outer connecting pipe 6 approach to the first inner connecting pipe 1 and the second outer connecting pipe 6, so as to drive the annular clamping block 7 to approach to the clamping groove, so as to clamp the first PVC-O pipe 3 and the second PVC-O pipe 4 between the first inner connecting pipe 1 and the outer connecting pipe 6 and between the second inner connecting pipe 2 and the outer connecting pipe 6 respectively, and then the operator screws the connecting bolt 8 into the connecting threaded hole, so as to complete the connection of the first inner connecting pipe 1 and the second inner connecting pipe 2, namely, the first PVC-O tube 3 and the second PVC-O tube 4 are connected, an operator unscrews the locking bolt 14, then sleeves the first PVC-O tube 3 and the second PVC-O tube 4 with the first snap ring 10 and the second snap ring 11 respectively, screws the locking bolt 14, so that the movable plate 13 and the fixed plate 12 approach each other, respectively clamps the first PVC-O tube 3 and the second PVC-O tube 4, and then screws the clamping bolt 17, so that the first clamping plate 15 and the second clamping plate 16 approach each other, thereby driving the first snap ring 10 and the second snap ring 11 to approach each other, further clamping the first PVC-O tube 3 and the second PVC-O tube 4, and reducing the occurrence of the pipeline falling phenomenon.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PVC-O is with anti-drawing joint, includes first inner union (1) and second inner union (2), the cover is equipped with first PVC-O pipe (3) on first inner union (1), the cover is equipped with second PVC-O pipe (4) on second inner union (2), its characterized in that: still include clamping device, the periphery of first inner union pipe (1) and second inner union pipe (2) all is provided with a plurality of draw-in grooves to all be connected with a plurality of external pipes (6) through a plurality of chucking bolts (5) on the outer wall of first inner union pipe (1) and second inner union pipe (2), be connected with a plurality of annular fixture blocks (7) on the inside wall of external pipe (6), set up connecting screw hole on first inner union pipe (1), the left end of second inner union pipe (2) be connected with connecting screw hole complex connecting bolt (8) to limbers (9) have been seted up on connecting bolt (8).

2. The anti-pullout joint for a PVC-O pipe according to claim 1, wherein: the clamping device comprises a first clamping ring (10) and a second clamping ring (11), wherein the first clamping ring (10) is sleeved on the first PVC-O pipe (3), and the second clamping ring (11) is sleeved on the second PVC-O pipe (4).

3. The anti-pullout joint for a PVC-O pipe according to claim 2, wherein: the first clamping ring (10) and the second clamping ring (11) are both connected with a fixed plate (12) and a movable plate (13), and the fixed plate (12) and the movable plate (13) are fixedly connected through a locking bolt (14).

4. The anti-pullout joint for a PVC-O pipe according to claim 3, wherein: the rear end of the first clamping ring (10) is connected with a first clamping plate (15), and the rear end of the second clamping ring (11) is connected with a second clamping plate (16).

5. The anti-pullout joint for a PVC-O pipe according to claim 4, wherein: clamping threaded holes are formed in the first clamping plate (15) and the second clamping plate (16), and clamping bolts (17) are connected to the clamping threaded holes in an internal thread mode.

6. The anti-pullout joint for a PVC-O pipe according to claim 5, wherein: the left end of the first inner connecting pipe (1) is connected with at least one first sealing ring (18).

7. The anti-pullout joint for a PVC-O pipe according to claim 6, wherein: the right end of the second inner connecting pipe (2) is connected with at least one second sealing ring (19).

8. The anti-pullout joint for a PVC-O pipe according to claim 7, wherein: and the inner side walls of the first clamping ring (10) and the second clamping ring (11) are both connected with anti-slip pads (20).