CN209943790U

CN209943790U - Connecting mechanism of PE pipe

Info

Publication number: CN209943790U
Application number: CN201920325829.7U
Authority: CN
Inventors: 白贤方
Original assignee: Qingdao Forever Machinery Technology Co Ltd
Current assignee: Qingdao Forever Machinery Technology Co Ltd
Priority date: 2019-03-14
Filing date: 2019-03-14
Publication date: 2020-01-14
Anticipated expiration: 2029-03-14

Abstract

The utility model belongs to the technical field of plastics tubular product coupling mechanism technique and specifically relates to a coupling mechanism of PE pipe, including connecting portion and fixed part, connecting portion are including connecting the intubate, it is intraductal to insert respectively and establish two PE at the both ends of connecting the intubate, it is equipped with adapter sleeve to connect the outside middle part cover of intubate, the connecting block that sets up through a plurality of intervals between adapter sleeve's the inner wall and the outer wall of connecting the intubate is connected, be equipped with a plurality of first annular seal recesses along its circumference interval on the lateral wall at connection intubate both ends, all be provided with first sealing washer in every first annular seal recess, be equipped with a plurality of second annular seal recesses along its circumference interval on the inside wall at adapter sleeve both ends. The utility model has the advantages of simple structure, the installation of being convenient for, be difficult for droing after the installation to the leakproofness is better, has effectively avoided the condition that appears leaking behind the pipe connection, the in-service use of being convenient for.

Description

Connecting mechanism of PE pipe

Technical Field

The utility model relates to a plastics tubular product coupling mechanism technical field especially relates to a coupling mechanism of PE pipe.

Background

The PE pipe is widely applied to gas transportation, water network construction and farm construction in urban construction, and has the advantages of light weight, corrosion resistance, convenience in construction, long service life and the like compared with steel pipes and cast iron pipes. At present, the PE pipe of environmental protection is stabilized in the general use of irrigation of crops in scale farm, need external or the original PE pipe of extension sometimes, consequently just need use coupling mechanism to connect two PE pipes fixedly, and some coupling mechanism structures that have now are comparatively complicated, are not convenient for install to the leakproofness after connecting is also not ideal, can not satisfy actual user demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of complex structure and poor sealing performance existing in the prior art and providing a connecting mechanism of a PE pipe.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

designing a connecting mechanism of PE pipes, which comprises a connecting part and a fixing part, wherein the connecting part comprises a connecting insertion pipe, two ends of the connecting insertion pipe are respectively inserted into two PE pipes, a connecting sleeve is sleeved in the middle of the outer part of the connecting insertion pipe, the inner wall of the connecting sleeve is connected with the outer wall of the connecting insertion pipe through a plurality of connecting blocks arranged at intervals, a plurality of first annular sealing grooves are formed in the outer side walls of the two ends of the connecting insertion pipe at intervals along the circumferential direction of the outer side walls, a first sealing ring is arranged in each first annular sealing groove, a plurality of second annular sealing grooves are formed in the inner side walls of the two ends of the connecting insertion pipe at intervals along the circumferential direction of the inner side walls, and a second sealing ring is;

the fixed part includes two fixed sleeving, and two fixed sleeving fixed bonding are in the outside of two PE pipes, the screwed pipe is established to the cover on the fixed sleeving, and the screwed pipe simultaneously with fixed sleeving and adapter sleeve threaded connection, all be provided with the external screw thread of being connected with the screwed pipe cooperation on fixed sleeving and the adapter sleeve, the last interval of adapter sleeve is provided with two first spacing rings, and two fixed sleeving keep away from adapter sleeve's one end and all be connected with the second spacing ring.

Preferably, the outer diameter of the connection cannula is equal to the inner diameter of the PE tube, and the inner diameter of the connection sleeve is equal to the outer diameter of the PE tube.

Preferably, the number of the first annular sealing groove and the second annular sealing groove is not less than two.

Preferably, the lateral surface of screwed pipe has seted up annular activity groove along its circumference, annular activity inslot activity card is equipped with the loose collar, and the interval connection has two spacing springs on the loose collar, and the one end that the loose collar was kept away from to two spacing springs all is connected with the spacing ring that is located the relevant position.

The utility model provides a pair of coupling mechanism of PE pipe, beneficial effect lies in: the utility model has the advantages of simple structure, the installation of being convenient for, the structure after the installation is comparatively stable, is difficult to drop to a plurality of first sealing washers, a plurality of second sealing washers and screwed pipe have triple sealed effect, have effectively avoided the condition that appears leaking after the pipe connection, the in-service use of being convenient for.

Drawings

Fig. 1 is a schematic structural diagram of a connection mechanism of a PE pipe according to the present invention.

In the figure: the connecting device comprises a connecting insertion pipe 1, a connecting block 2, a connecting sleeve 3, a first sealing ring 4, a second sealing ring 5, a first limiting ring 6, a fixed sleeve 7, a second limiting ring 8, a threaded pipe 9, a limiting spring 10, a movable ring 11, an annular movable groove 12 and a PE pipe 13.

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.

Referring to fig. 1, a coupling mechanism of PE pipe, including connecting portion and fixed part, connecting portion are including connecting intubate 1, the both ends of connecting intubate 1 are inserted respectively and are established in two PE pipe 13, the outside middle part cover of connecting intubate 1 is equipped with adapter sleeve 3, connect through connecting block 2 that a plurality of intervals set up between the inner wall of adapter sleeve 3 and the outer wall of connecting intubate 1, it is equipped with a plurality of first annular seal grooves to separate along its circumference on the lateral wall at connecting intubate 1 both ends, all be provided with first sealing washer 4 in every first annular seal groove, it is equipped with a plurality of second annular seal grooves to separate along its circumference on the inside wall at adapter sleeve 3 both ends, all be provided with second sealing washer 5 in every second annular seal groove. The quantity of first annular seal recess and second annular seal recess is all not less than two, sets up like this and can improve the holistic leakproofness of coupling mechanism, avoids appearing the condition of leaking. The outer diameter of the connecting insertion pipe 1 is equal to the inner diameter of the PE pipe 13, the inner diameter of the connecting sleeve 3 is equal to the outer diameter of the PE pipe 13, the connecting insertion pipe 1 and the connecting sleeve 3 can be attached to the inner diameter and the outer diameter of the PE pipe 13 respectively through the arrangement, and the sealing effect is good. The first sealing rings 4 and the second sealing rings 5 have multiple sealing protection effects, and the sealing performance between the connecting mechanism and the PE pipe 13 can be effectively improved.

The fixed part includes two fixed sleeving 7, and two fixed sleeving 7 fixed bonding are in two PE pipe 13's outside, and when the in-service use, need install fixed sleeving 7 earlier and be used for being connected with the connecting portion cooperation on the PE pipe 13 that needs to connect. Screwed pipe 9 is established to the cover on fixed sleeving 7, and screwed pipe 9 simultaneously with fixed sleeving 7 and connecting sleeve 3 threaded connection, all be provided with on fixed sleeving 7 and the connecting sleeve 3 with the external screw thread that 9 cooperations of screwed pipe are connected, screwed pipe 9 can further improve the leakproofness between coupling mechanism and the PE pipe 13, avoids appearing the condition of leaking. Two first spacing rings 6 are arranged on the connecting sleeve 3 at intervals, and one ends, far away from the connecting sleeve 3, of the two fixing sleeves 7 are connected with second spacing rings 8. The first limiting ring 6 and the second limiting ring 8 can limit the position of the threaded pipe 9, so that the threaded pipe 9 can be conveniently connected with the connecting sleeve 3 and the fixing sleeve 7, and the threaded pipe 9 can effectively avoid the situation that the connecting mechanism falls off from the two PE pipes 13. Annular activity groove 12 has been seted up along its circumference to the lateral surface of screwed pipe 9, the activity card is equipped with activity ring 11 in the annular activity groove 12, and interval connection has two spacing springs 10 on the activity ring 11, the one end that two spacing springs 10 kept away from activity ring 11 all is connected with the spacing ring 8 that is located the relevant position, spacing spring 10 can be injectd the position of screwed pipe 9 under the condition that does not influence screwed pipe 9 pivoted with activity ring 11, avoid screwed pipe 9 to drop.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A connecting mechanism of a PE pipe comprises a connecting part and a fixing part, and is characterized in that the connecting part comprises a connecting insertion pipe (1), the two ends of the connecting insertion pipe (1) are respectively inserted in the two PE pipes (13), the middle part of the outer part of the connecting insertion pipe (1) is sleeved with a connecting sleeve (3), the inner wall of the connecting sleeve (3) is connected with the outer wall of the connecting insertion pipe (1) through a plurality of connecting blocks (2) arranged at intervals, a plurality of first annular sealing grooves are formed in the outer side walls of the two ends of the connecting insertion pipe (1) at intervals along the circumferential direction of the connecting insertion pipe, a first sealing ring (4) is arranged in each first annular sealing groove, a plurality of second annular sealing grooves are formed in the inner side walls of the two ends of the connecting sleeve (3) at intervals along the circumferential direction of the connecting sleeve, and a second sealing ring (5) is arranged in each second annular sealing groove;

the fixed part includes two fixed sleeving (7), and two fixed sleeving (7) fixed bonding are in the outside of two PE pipe (13), screwed pipe (9) are established to cover on fixed sleeving (7), and screwed pipe (9) simultaneously with fixed sleeving (7) and connecting sleeve (3) threaded connection, all be provided with the external screw thread of being connected with screwed pipe (9) cooperation on fixed sleeving (7) and connecting sleeve (3), the interval is provided with two first spacing rings (6) on connecting sleeve (3), and the one end that connecting sleeve (3) were kept away from in two fixed sleeving (7) all is connected with second spacing ring (8).

2. A connection arrangement of PE pipes according to claim 1, characterized in that the outer diameter of the connection spigot (1) is equal to the inner diameter of the PE pipe (13) and the inner diameter of the connection sleeve (3) is equal to the outer diameter of the PE pipe (13).

3. A PE pipe coupling mechanism as claimed in claim 1, wherein the number of the first annular seal groove and the second annular seal groove is not less than two.

4. The connecting mechanism of a PE pipe according to claim 1, wherein an annular movable groove (12) is formed in the outer side surface of the threaded pipe (9) along the circumferential direction of the threaded pipe, a movable ring (11) is movably clamped in the annular movable groove (12), two limiting springs (10) are connected to the movable ring (11) at intervals, and one ends of the two limiting springs (10) far away from the movable ring (11) are connected with the limiting ring (8) located at the corresponding position.