CN218845420U

CN218845420U - Plastic-lined composite pipe

Info

Publication number: CN218845420U
Application number: CN202222511958.XU
Authority: CN
Inventors: 钟景洲
Original assignee: Foshan Zhenghong Metal Products Co ltd
Current assignee: Foshan Zhenghong Metal Products Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-04-11
Anticipated expiration: 2032-09-22

Abstract

The utility model provides a compound pipe is moulded to lining, mould compound pipe body including the lining, the one end that compound pipe body was moulded to the lining has been seted up ring groove one, fixedly connected with connecting cylinder in the ring groove one, compound pipe body is moulded to the lining is kept away from the one end of connecting cylinder is provided with solid fixed cylinder two, gu fixed cylinder two is kept away from compound pipe body is moulded to the lining one side has been seted up ring groove two, gu set up on the fixed cylinder two with the locking hole that ring groove two phase communicates, be provided with fixed subassembly on the connecting cylinder. The utility model discloses a need not use the bolt, the person of facilitating the use's use, moreover, the connected mode is simple.

Description

Plastic-lined composite pipe

Technical Field

The utility model belongs to the technical field of fluid pipeline, in particular to plastic-lined composite pipe.

Background

The plastic lining pipeline uses common steel pipe or aluminum alloy as base body, and is lined with thermoplastic engineering plastic with excellent chemical stability, and is formed by cold drawing compounding or rotational molding, so that the plastic lining pipeline not only has the mechanical property of metal pipe, but also has the characteristics of corrosion resistance, scale retarding and difficult microorganism growth of engineering plastic, and is an ideal pipeline for conveying acid, alkali, salt, corrosive gas, liquid and other media; the engineering plastic has excellent performances of wear resistance, impact resistance, acid resistance, alkali corrosion resistance, light resistance and the like; the pipe contains an aluminum layer, so that the internal pressure resistance can be improved, oxygen, CO2 and the like are blocked, the corrosion threat to water pipeline equipment is avoided, the heat conductivity is good, the hot spot concentration is reduced, the static resistance is good, the shielding property is good, and a certain flame retardant effect is realized, so that the pipe is easily accepted by the public;

however, in the prior art, flanges are installed at both ends of the plastic-lined pipeline, and a worker fixes the two flanges through bolts to connect the two pipelines, so that the connection mode needs a user to screw the bolts, which is inconvenient for the user to use, and needs to be further improved;

thus, there is a need for a plastic-lined composite pipe.

SUMMERY OF THE UTILITY MODEL

The utility model provides a plastic-lined composite pipe, which solves the problem that an inconvenient user connects two pipelines in the prior art.

The technical scheme of the utility model is realized like this:

a plastic-lined composite pipe comprises a plastic-lined composite pipe body, wherein a first annular groove is formed in one end of the plastic-lined composite pipe body, a connecting cylinder is fixedly connected in the first annular groove, a second fixed cylinder is arranged at one end, far away from the connecting cylinder, of the plastic-lined composite pipe body, a second annular groove is formed in one side, far away from the plastic-lined composite pipe body, of the second fixed cylinder, a locking hole communicated with the second annular groove is formed in the second fixed cylinder, and a fixing assembly is arranged on the connecting cylinder.

As a preferred embodiment, the fixing assembly includes a first spring, a first placing groove is formed in the connecting cylinder, the first spring is mounted in the first placing groove, a first locking pin is mounted at an outer end of the first spring, and the first locking pin is matched with the first locking hole.

In a preferred embodiment, the first ring is arranged on the second fixed cylinder, and the second ring is mounted on the connecting cylinder.

As a preferred embodiment, a guide post is installed on one side of the second circular ring, and a guide hole matched with the guide post is formed in the first circular ring.

In a preferred embodiment, a first magnet unit is mounted at one end of the guide post, and a second magnet unit attracted to the first magnet unit is mounted on a hole wall of the guide hole.

As a preferred embodiment, a first fixing block is installed on the second circular ring, a fixing sleeve is installed on the first circular ring, a first locking hole is formed in the fixing sleeve, and the first fixing block is inserted in the fixing sleeve.

As a preferable embodiment, a sliding groove communicated with the locking hole is formed in the inner wall of the second fixed cylinder along the horizontal direction, and the first locking pin is slidably connected in the sliding groove.

After the technical scheme is adopted, the beneficial effects of the utility model are that: in the embodiment, (1) a user presses the first locking pin, then the connecting cylinder is inserted into the second annular groove, the connecting cylinder 2 is continuously pushed horizontally until the first locking pin reaches the position of the locking hole, and the first locking pin penetrates out of the locking hole to connect the two plastic-lined composite pipes, so that the connecting method is free of using bolts, convenient for the user to use and simple in connecting mode;

(2) In the embodiment, when the device is installed, the first circular ring is in contact with the second circular ring, and the first circular ring and the second circular ring are inserted into the second fixed cylinder to limit the position;

(3) In the embodiment, the guide posts and the guide holes are arranged, so that the guide posts enter the guide holes when the connecting cylinder is installed, and the guide posts have a guiding effect on installation of the connecting cylinder.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

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

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a partially enlarged view of fig. 1 at B.

In the figure, 1, a first annular groove; 2. a connecting cylinder; 3. a second fixed cylinder; 4. a second annular groove; 5. a locking hole; 6. a first spring; 7. placing the first groove; 8. a first locking pin; 9. a first circular ring; 10. a second circular ring; 11. a guide post; 12. a guide hole; 13. a magnet unit I; 14. a second magnet unit; 15. a first fixed block; 16. fixing a sleeve; 17. a first locking hole; 18. a second placing groove; 19. a second spring; 20. a second locking pin; 21. a chute; 22. a plastic-lined composite pipe body.

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 of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Example (b):

as shown in fig. 1, a plastic-lined composite pipe comprises a plastic-lined composite pipe body 22, wherein one end of the composite pipe body is provided with a first annular groove 1, a connecting cylinder 2 is fixedly connected in the first annular groove 1, the inner diameter of the connecting cylinder 2 is the same as that of the plastic-lined composite pipe body 22, one end of the plastic-lined composite pipe body 22, which is far away from the connecting cylinder 2, is fixedly sleeved with a second fixing cylinder 3, one side of the second fixing cylinder 3, which is far away from the plastic-lined composite pipe body 22, is provided with a second annular groove 4, the connecting cylinder 2 can be inserted into the second annular groove 4, the second fixing cylinder 3 is provided with a locking hole 5, the locking hole 5 is communicated with the second annular groove 4, and meanwhile, the connecting cylinder 2 is provided with a fixing component;

the fixing assembly comprises a first spring 6, a first placing groove 7 is formed in the connecting cylinder 2, the first placing groove 7 is vertically formed, one end of the first spring 6 is installed on the bottom wall of the first placing groove 7, meanwhile, a first locking pin 8 is installed at the outer end of the first spring 6, a user presses the first locking pin 8, the first locking pin 8 moves towards the bottom wall of the first placing groove 7 until the top end of the first locking pin 8 is flush with the connecting cylinder 2, and the first locking pin 8 is matched with the locking hole 5;

in the embodiment, when an operator connects two plastic-lined composite pipes, the user presses the first locking pin 8, the first locking pin 8 compresses the first spring 6 until the top end of the first locking pin 8 is flush with the connecting cylinder 2, then the connecting cylinder 2 is inserted into the second annular groove 4, the connecting cylinder 2 is continuously pushed horizontally until the first locking pin 8 reaches the position of the locking hole 5, at the moment, the first spring 6 is deformed in a restoring manner, the first locking pin 8 penetrates out of the locking hole 5, and the two plastic-lined composite pipes are connected;

in the embodiment, a first ring 9 is fixedly installed on one side, away from the plastic-lined composite pipe body 22, of the second fixed cylinder 3, the outer side of the first ring 9 is flush with the outer side of the second fixed cylinder 3, meanwhile, a second ring 10 is installed on the connecting cylinder 2, when the connecting cylinder is installed, the first ring 9 is in contact with the second ring 10, and the first ring 9 and the second ring 10 have a limiting effect on the insertion of the connecting cylinder 2 in the second fixed cylinder 3;

in this embodiment, two guide posts 11 are symmetrically installed on one side of the second circular ring 10 close to the plastic-lined composite pipe body 22, meanwhile, guide holes 12 corresponding to the two guide posts 11 one by one are formed in the first circular ring 9, when the connecting cylinder 2 is installed, the guide posts 11 enter the guide holes 12, and the guide posts 11 have a guiding effect on the installation of the connecting cylinder 2;

wherein, one end of the guide post 11 is provided with a first magnet unit 13, meanwhile, the hole wall of the guide hole 12 is provided with a second magnet unit 14 which is adsorbed with the first magnet unit 13, and after the guide post 11 is placed in the guide hole 12, the first magnet unit 13 is automatically adsorbed on the second magnet unit 14;

in this embodiment, a first fixing block 15 is mounted on the second ring 10, meanwhile, a fixing sleeve 16 is mounted on the first ring 9, the first fixing block 15 can be inserted into the fixing sleeve 16, a first locking hole 17 is formed in the top surface of the fixing sleeve 16, a second placing groove 18 is formed in the first fixing block 15, a second spring 19 is mounted in the second placing groove 18, a second locking pin 20 is mounted at the outer end of the second spring 19, the second locking pin 20 is pressed, the second locking pin 20 moves towards the bottom wall of the second placing groove 18 until the top end of the second locking pin 20 is flush with the top surface of the first fixing block 15, the second locking pin 20 is matched with the first locking hole 17, and when the first locking pin 20 is mounted, the second locking pin 20 is pressed, the first fixing block 15 is inserted into the fixing sleeve 16 until the second locking pin 20 moves out of the first locking hole 17;

in this embodiment, a sliding groove 21 is formed in the inner wall of the second fixed cylinder 3 along the horizontal direction, the sliding groove 21 is communicated with the locking hole 5, the first locking pin 8 can slide along the extending direction of the sliding groove 21, and the sliding groove 21 has a guiding function on the sliding of the first locking pin 8.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A plastic-lined composite pipe comprises a plastic-lined composite pipe body (22) and is characterized in that one end of the plastic-lined composite pipe body (22) is provided with a first annular groove (1), a connecting cylinder (2) is fixedly connected in the first annular groove (1), one end, away from the connecting cylinder (2), of the plastic-lined composite pipe body (22) is provided with a second fixing cylinder (3), one side, away from the plastic-lined composite pipe body (22), of the second fixing cylinder (3) is provided with a second annular groove (4), the second fixing cylinder (3) is provided with a locking hole (5) communicated with the second annular groove (4), and a fixing assembly is arranged on the connecting cylinder (2).

2. The plastic-lined composite pipe of claim 1, wherein: the fixing assembly comprises a first spring (6), a first placing groove (7) is formed in the connecting cylinder (2), the first spring (6) is installed in the first placing groove (7), a first locking pin (8) is installed at the outer end of the first spring (6), and the first locking pin (8) is matched with the locking hole (5).

3. The plastic-lined composite pipe of claim 1, wherein: the fixed cylinder II (3) is provided with a first circular ring (9), and the connecting cylinder (2) is provided with a second circular ring (10).

4. A plastic-lined composite pipe as claimed in claim 3, wherein: and a guide post (11) is installed on one side of the second circular ring (10), and a guide hole (12) matched with the guide post (11) is formed in the first circular ring (9).

5. The plastic-lined composite pipe of claim 4, wherein: magnet unit (13) are installed to the one end of guide post (11), install on the pore wall of guiding hole (12) with magnet unit two (14) that adsorb mutually are in the magnet unit (13).

6. A plastic-lined composite pipe as claimed in claim 3, wherein: the fixing device is characterized in that a first fixing block (15) is installed on the second ring (10), a first fixing sleeve (16) is installed on the first ring (9), a first locking hole (17) is formed in the first fixing sleeve (16), and the first fixing block (15) penetrates into the first fixing sleeve (16).

7. The plastic-lined composite pipe of claim 6, wherein: a second placing groove (18) is formed in the first fixing block (15), a second spring (19) is installed in the second placing groove (18), a second locking pin (20) is installed at the outer end of the second spring (19), and the second locking pin (20) is matched with the first locking hole (17).

8. The plastic-lined composite pipe of claim 2, wherein: and a sliding groove (21) communicated with the locking hole (5) is formed in the inner wall of the second fixed cylinder (3) along the horizontal direction, and the first locking pin (8) is connected in the sliding groove (21) in a sliding manner.