CN212480490U

CN212480490U - PVC (polyvinyl chloride) pipe with sealed connection

Info

Publication number: CN212480490U
Application number: CN202020297143.4U
Authority: CN
Inventors: 李广
Original assignee: Longli Yuesheng Profile Co ltd
Current assignee: Longli Yuesheng Profile Co ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2021-02-05
Anticipated expiration: 2030-03-12

Abstract

The utility model discloses a sealed pvc pipe, which comprises two pipes and a connecting sleeve, wherein the end parts of the pipes are all arranged in the connecting sleeve, the connecting part of the two pipes is provided with a sealing connecting ring, the sealing connecting ring is arranged in the connecting sleeve, the end parts of the two pipes are provided with annular insertion blocks, the two sides of the sealing connecting ring are provided with annular insertion grooves matched with the annular insertion blocks, and the inner walls of the two sides of the annular insertion grooves are respectively provided with a first snap ring and a second snap ring; through the sealing connecting ring, the annular inserting block, the annular inserting groove, the first clamping ring, the second clamping ring, the first clamping groove, the second clamping groove, the annular inner groove, the annular outer groove and the positioning block, the sealing performance of the joint of the two pipes can be improved, the condition of water seepage of a subsequent pipeline is avoided, the connecting sealing performance between the pipes and the connecting sleeve can be improved under the action of the annular inner groove and the annular outer groove, and therefore the overall connecting sealing performance is further improved.

Description

PVC (polyvinyl chloride) pipe with sealed connection

Technical Field

The utility model belongs to the technical field of the pvc tubular product is connected, concretely relates to connect sealed pvc tubular product.

Background

pvc pipe is a hard polyvinyl chloride pipe, is a pipe formed by extrusion molding by hot pressing after polyvinyl chloride resin is matched with a stabilizer, a lubricant and the like, is a plastic pipe which is developed and applied at the earliest time, and is widely applied to pipeline laying of a water supply system.

Present pvc tubular product is when using, when two pvc tubular products are connecting, need splice through a adapter sleeve and connect, nevertheless because the junction of two pvc tubular products does not set up any sealing connection structure, has the condition that connection sealing nature is not enough, very easily appears the problem of infiltration after the pipe-line uses a period and appears, has certain drawback, for this the utility model provides a connect sealed pvc tubular product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connect sealed pvc tubular product to solve the current pvc tubular product that proposes in the above-mentioned background art when using, when two pvc tubular products are connecting, need splice through a adapter sleeve and connect, nevertheless because the junction of two pvc tubular products does not set up any sealing connection structure, there is the not enough condition of connection leakproofness, the problem that easily appears the infiltration after the pipe-line uses a period appears, there is certain drawback problem.

In order to achieve the above object, the utility model provides a following technical scheme: a PVC pipe for connection sealing comprises two pipes and a connecting sleeve, wherein the end parts of the pipes are all positioned in the connecting sleeve, a sealing connecting ring is arranged at the joint of the two pipes, the sealing connecting ring is positioned in the connecting sleeve, annular inserting blocks are arranged at the end parts of the two pipes, annular inserting grooves matched with the annular inserting blocks are formed in the two sides of the sealing connecting ring, a first clamping ring and a second clamping ring are respectively arranged on the inner walls of the two sides of each annular inserting groove, a first clamping groove matched with the first clamping ring is formed in the outer side surface of each annular inserting block, a second clamping groove matched with the second clamping ring is formed in the inner side surface of each annular inserting block, a plurality of annular outer grooves are uniformly formed in the outer side surface of each pipe, annular inner grooves corresponding to the annular outer grooves are formed in the inner wall of the connecting sleeve, and an integrated positioning block is arranged on the outer surface of each pipe, and the positioning block is positioned at the end part of the connecting sleeve.

Preferably, two limiting devices are arranged at two ends of the connecting sleeve respectively and comprise a screw base block, a rotating bolt and a limiting abutting block.

Preferably, the screw base block is arranged on the outer side surface of the connecting sleeve, a threaded hole matched with the rotary bolt is formed in the screw base block, the limiting abutting block is rotatably connected with the end portion of the rotary bolt, a rectangular clamping groove corresponding to the positioning block is formed in the bottom of the limiting abutting block, and the rectangular clamping groove is communicated with one side of the limiting abutting block.

Preferably, the bottom end of the rotating bolt is provided with an integrated large-head rotating block, a rotating groove matched with the large-head rotating block is formed in the limiting abutting block, and the large-head rotating block is located in the rotating groove.

Preferably, the two ends of the connecting sleeve are provided with conical easy-to-insert surfaces, the conical easy-to-insert surfaces are conical with the diameters gradually reduced, and the bottom end diameters of the conical easy-to-insert surfaces are consistent with the inner diameter of the connecting sleeve.

Preferably, the inner diameter of the seal connecting ring is consistent with the inner diameter of the pipe, and the outer diameter of the seal connecting ring is consistent with the outer diameter of the pipe.

Preferably, the outer diameter of the pipe is consistent with the inner diameter of the connecting sleeve, and the pipe is a pvc material member.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the sealing connecting ring, the annular inserting block, the annular inserting groove, the first clamping ring, the second clamping ring, the first clamping groove, the second clamping groove, the annular inner groove, the annular outer groove and the positioning block, the sealing performance of the joint of the two pipes can be improved, the condition of water seepage of a subsequent pipeline is avoided, the connecting sealing performance between the pipes and the connecting sleeve can be improved under the action of the annular inner groove and the annular outer groove, and therefore the overall connecting sealing performance is further improved.

2. Through the stop device who sets up for two tubular products can obtain good spacing in the glue coagulation process after connecting, avoid appearing rotating and influence the problem that glue normally condenses, thereby improve holistic cementing fastening nature.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

fig. 2 is a sectional view of the connecting sleeve of the present invention;

fig. 3 is a cross-sectional view of the seal attachment ring of the present invention;

FIG. 4 is a cross-sectional view of the tube of the present invention;

fig. 5 is a partial enlarged view of the area a in fig. 1 according to embodiment 2 of the present invention;

in the figure: 1. a pipe; 2. a sealing connection ring; 3. connecting sleeves; 4. positioning blocks; 5. an annular insert block; 6. an annular inner groove; 7. an annular outer groove; 8. a screw base block; 9. a limiting abutting block; 10. a conical easy-to-insert surface; 11. an annular slot; 12. a first snap ring; 13. a second snap ring; 14. a first card slot; 15. a second card slot; 16. rotating the bolt; 17. a rectangular clamping groove.

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.

Example 1

Referring to fig. 1 to 4, the present invention provides a technical solution: a PVC pipe for connection sealing comprises two pipes 1 and a connecting sleeve 3, wherein the end parts of the pipes 1 are arranged inside the connecting sleeve 3, a sealing connecting ring 2 is arranged at the joint of the two pipes 1, the sealing connecting ring 2 is a fluororubber component, so that the sealing connecting ring 2 has good elasticity and corrosion resistance, the sealing connecting ring 2 is arranged inside the connecting sleeve 3, the end parts of the two pipes 1 are provided with annular inserting blocks 5, the two sides of the sealing connecting ring 2 are provided with annular inserting grooves 11 matched with the annular inserting blocks 5, the inner walls of the two sides of each annular inserting groove 11 are respectively provided with a first clamping ring 12 and a second clamping ring 13, the first clamping ring 12 and the second clamping ring 13 are both integrated with the sealing connecting ring 2, the outer side surface of each annular inserting block 5 is provided with a first clamping groove 14 matched with the first clamping ring 12, and the inner side surface of each annular inserting block 5 is provided with a second clamping groove 15 matched with the second clamping ring 13, can improve the leakproofness of two tubular product 1 junctions, a plurality of annular water jackets 7 have evenly been seted up on tubular product 1's outside surface, annular inside groove 6 corresponding with annular water jacket 7 is seted up to the inner wall of adapter sleeve 3, can improve the connection leakproofness between tubular product 1 and the adapter sleeve 3 after glue condenses to finish, the surface of tubular product 1 is equipped with the locating piece 4 of integral type, and locating piece 4 is in the tip of adapter sleeve 3, make tubular product 1 insert the back that finishes, annular water jacket 7 can be aligned with annular inside groove 6.

In this embodiment, preferably, the two ends of the connecting sleeve 3 are both provided with tapered easy-to-insert surfaces 10, the tapered easy-to-insert surfaces 10 are tapered with gradually reduced diameters, and the bottom diameter of the tapered easy-to-insert surfaces 10 is consistent with the inner diameter of the connecting sleeve 3, so that the pipe 1 can be more easily inserted into the connecting sleeve 3.

In this embodiment, it is preferable that the inner diameter of the seal connection ring 2 is consistent with the inner diameter of the tube 1, and the outer diameter of the seal connection ring 2 is consistent with the outer diameter of the tube 1.

In this embodiment, preferably, the outer diameter of the pipe 1 is consistent with the inner diameter of the connecting sleeve 3, and the pipe 1 is a pvc material member.

Example 2

Referring to fig. 1 to 5, the present invention provides a technical solution: a PVC pipe for connection sealing comprises two pipes 1 and a connecting sleeve 3, wherein the end parts of the pipes 1 are arranged inside the connecting sleeve 3, a sealing connecting ring 2 is arranged at the joint of the two pipes 1, the sealing connecting ring 2 is a fluororubber component, so that the sealing connecting ring 2 has good elasticity and corrosion resistance, the sealing connecting ring 2 is arranged inside the connecting sleeve 3, the end parts of the two pipes 1 are provided with annular inserting blocks 5, the two sides of the sealing connecting ring 2 are provided with annular inserting grooves 11 matched with the annular inserting blocks 5, the inner walls of the two sides of each annular inserting groove 11 are respectively provided with a first clamping ring 12 and a second clamping ring 13, the first clamping ring 12 and the second clamping ring 13 are both integrated with the sealing connecting ring 2, the outer side surface of each annular inserting block 5 is provided with a first clamping groove 14 matched with the first clamping ring 12, and the inner side surface of each annular inserting block 5 is provided with a second clamping groove 15 matched with the second clamping ring 13, can improve the leakproofness of two tubular product 1 junctions, a plurality of annular water jackets 7 have evenly been seted up on tubular product 1's outside surface, annular inside groove 6 corresponding with annular water jacket 7 is seted up to the inner wall of adapter sleeve 3, can improve the connection leakproofness between tubular product 1 and the adapter sleeve 3 after glue condenses to finish, the surface of tubular product 1 is equipped with the locating piece 4 of integral type, and locating piece 4 is in the tip of adapter sleeve 3, make tubular product 1 insert the back that finishes, annular water jacket 7 can be aligned with annular inside groove 6.

In this embodiment, preferably, two ends of the connecting sleeve 3 are provided with two limiting devices, and each limiting device comprises a screw base block 8, a rotating bolt 16 and a limiting abutting block 9.

In this embodiment, preferably, the screw base block 8 is disposed on the outer side surface of the connecting sleeve 3, the screw base block 8 and the connecting sleeve 3 are of an integrated structure, a threaded hole matched with the rotating bolt 16 is formed in the screw base block 8, the limiting abutting block 9 is rotatably connected with the end portion of the rotating bolt 16, a rectangular clamping groove 17 corresponding to the positioning block 4 is formed in the bottom of the limiting abutting block 9, and the rectangular clamping groove 17 is communicated with one side of the limiting abutting block 9, so that the two pipes 1 can be well limited in the connected glue condensation process.

In this embodiment, preferably, the bottom end of the rotating bolt 16 is provided with an integral large-head rotating block, a rotating groove matched with the large-head rotating block is formed in the limiting abutting block 9, and the large-head rotating block is located in the rotating groove, so that the bottom end of the rotating bolt 16 can be smoothly and rotatably connected with the limiting abutting block 9.

The utility model discloses a theory of operation and use flow: when two pipes 1 need to be connected in a gluing manner through the connecting sleeve 3, the sealing connecting ring 2 is firstly pushed to the end part of one pipe 1, so that the annular inserting block 5 can be extruded into the annular slot 11, the first clamping ring 12 and the second clamping ring 13 can be respectively clamped into the first clamping groove 14 and the second clamping groove 15, so that the sealing connecting ring 2 can be clamped at the end part of one pipe 1, then PVC glue is uniformly coated on the outer surfaces of the two pipes 1, the glue can enter the inner side of the annular outer groove 7, the glue inside the annular outer groove 7 can be remained under the self-viscosity action, the glue is uniformly coated on the inner wall of the connecting sleeve 3, the glue can enter the inner side of the annular inner groove 6, then the pipe 1 of which the end part is clamped with the sealing connecting ring 2 is inserted into the connecting sleeve 3 until the positioning block 4 is jointed with the end part of the connecting sleeve 3, then another pipe 1 is inserted into the connecting sleeve 3 from the other end of the connecting sleeve 3 until the positioning block 4 on the surface of the pipe 1 is attached to the end of the connecting sleeve 3, the annular insertion block 5 on the end of the pipe 1 can be clamped into the annular slot 11 on the side of the sealing connecting ring 2, and the first clamping ring 12 and the second clamping ring 13 are respectively clamped into the first clamping groove 14 and the second clamping groove 15, so that the ends of the two pipes 1 are connected together through the sealing connecting ring 2, and the annular outer groove 7 on the surface of the pipe 1 can be aligned with the annular inner groove 6 on the inner wall of the connecting sleeve 3 under the positioning action of the positioning block 4, at this time, the pipe 1 can be rotated to a certain degree, so that the glue is uniformly coated, then the pipe 1 and the connecting sleeve 3 are kept still, and the glue is waited to be coagulated, so that the glue connection between the two pipes 1 can be completed, the sealing performance of the joint of the two pipes 1 can be improved under the action of the sealing connecting ring 2, and after the glue is condensed, the glue in the annular inner groove 6 and the annular outer groove 7 is condensed into an annular rubber ring, so that the connecting sealing performance between the pipes 1 and the connecting sleeve 3 is further improved, and the integral sealing performance can be obviously improved;

after the pipes 1 coated with pvc glue on the two surfaces are inserted into the connecting sleeve 3, the pipes 1 can be rapidly rotated, so that the positioning blocks 4 can be aligned with the rectangular clamping grooves 17 at the bottoms of the limiting abutting blocks 9, then the rotating bolts 16 are screwed clockwise, so that the end parts of the rotating bolts 16 gradually push the limiting abutting blocks 9 to the surfaces of the positioning blocks 4, the top ends of the positioning blocks 4 can be clamped into the rectangular clamping grooves 17, the positioning blocks 4 can be limited by the limiting abutting blocks 9, the pipes 1 are limited, the pipes 1 are prevented from rotating in the subsequent glue condensation process, the problem that the glue is normally condensed due to rotation can be avoided, and the overall tightness bonding performance is improved.

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 connect sealed pvc tubular product, includes two tubular product (1) and adapter sleeve (3), the tip of tubular product (1) all is in the inside of adapter sleeve (3), its characterized in that: the connecting part of the two pipes (1) is provided with a sealing connecting ring (2), the sealing connecting ring (2) is positioned in the connecting sleeve (3), the end parts of the two pipes (1) are provided with annular inserting blocks (5), the two sides of the sealing connecting ring (2) are provided with annular inserting grooves (11) matched with the annular inserting blocks (5), the inner walls of the two sides of the annular inserting grooves (11) are respectively provided with a first clamping ring (12) and a second clamping ring (13), the outer side surface of each annular inserting block (5) is provided with a first clamping groove (14) matched with the first clamping ring (12), the inner side surface of each annular inserting block (5) is provided with a second clamping groove (15) matched with the second clamping ring (13), the outer side surface of each pipe (1) is uniformly provided with a plurality of annular outer grooves (7), the inner wall of the connecting sleeve (3) is provided with annular inner grooves (6) corresponding to the annular outer grooves (7), the outer surface of the pipe (1) is provided with an integrated positioning block (4), and the positioning block (4) is positioned at the end part of the connecting sleeve (3).

2. A pvc pipe for connection sealing according to claim 1, characterized in that: two limiting devices are arranged at two ends of the connecting sleeve (3) respectively and comprise a screw base block (8), a rotating bolt (16) and a limiting abutting block (9).

3. A pvc pipe for connection sealing according to claim 2, characterized in that: the screw rod base block (8) is arranged on the outer side surface of the connecting sleeve (3), a threaded hole matched with the rotating bolt (16) is formed in the screw rod base block (8), the limiting abutting block (9) is rotatably connected with the end portion of the rotating bolt (16), a rectangular clamping groove (17) corresponding to the positioning block (4) is formed in the bottom of the limiting abutting block (9), and the rectangular clamping groove (17) is communicated with one side of the limiting abutting block (9).

4. A pvc pipe for connection sealing according to claim 2, characterized in that: the bottom end of the rotating bolt (16) is provided with an integrated large-head rotating block, a rotating groove matched with the large-head rotating block is formed in the limiting abutting block (9), and the large-head rotating block is located in the rotating groove.

5. A pvc pipe for connection sealing according to claim 1, characterized in that: the conical easy-to-insert face (10) is arranged at each of two ends of the connecting sleeve (3), the conical easy-to-insert face (10) is conical with the diameter gradually reduced, and the diameter of the bottom end of the conical easy-to-insert face (10) is consistent with the inner diameter of the connecting sleeve (3).

6. A pvc pipe for connection sealing according to claim 1, characterized in that: the inner diameter of the sealing connecting ring (2) is consistent with the inner diameter of the pipe (1), and the outer diameter of the sealing connecting ring (2) is consistent with the outer diameter of the pipe (1).

7. A pvc pipe for connection sealing according to claim 1, characterized in that: the outer diameter of the pipe (1) is consistent with the inner diameter of the connecting sleeve (3), and the pipe (1) is a pvc material component.