CN216666860U

CN216666860U - PE hot melt elbow

Info

Publication number: CN216666860U
Application number: CN202122700283.9U
Authority: CN
Inventors: 冷海军
Original assignee: Jiangsu Nasen Information Technology Co ltd
Current assignee: Jiangsu Nasen Information Technology Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-06-03
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a PE hot-melting elbow, and belongs to the field of pipes. Wherein, a PE hot melt elbow, includes return bend inside lining, articulated nail and return bend overcoat, and the outside block of return bend inside lining has the return bend overcoat, and the return bend overcoat passes through articulated nail with the return bend inside lining and is connected. The traditional PE elbow is divided into the elbow lining and the elbow jacket and connected by the hinge pin, the elbow lining and the elbow jacket which can rotate relatively can be adjusted according to the butt joint angle of pipelines in a construction site, the introduction of the scale marks accelerates the angle adjustment of the elbow, the hot melt wire is electrified to quickly melt the elbow lining and the elbow jacket together, the elbow with a stable structure and multiple angles is formed, the mass production is suitable, the preparation cost of the unconventional elbow is reduced, the distribution of elbows with different angles in construction is avoided, the construction cost is saved, the construction resource distribution is optimized, and therefore the practicability of the elbow in construction is enhanced.

Description

PE hot melt elbow

Technical Field

The utility model belongs to the field of pipes, and particularly relates to a PE hot-melting elbow.

Background

In a pipeline system, an elbow is a pipe fitting for changing the direction of a pipeline, the common angles are divided into three angles of 45 degrees, 90 degrees and 180 degrees, and the elbow with the abnormal angle is rarely produced in batches and needs to be customized. At present, the application of PE pipes in buried pipelines is gradually common, and the application of plastic elbows is widened.

In the prior art, the PE buried pipes are arranged according to the pipeline design, the grooves are formed in the city with the minimum influence and the minimum construction difficulty, so that the bending angle of the buried pipes is indefinite, the elbows at the conventional angles are hard to be qualified, the cost for customizing a large number of elbows at special angles is extremely high, the customized elbows are required to be matched at fixed points during construction, and the PE buried pipes are not practical in construction cost and on-site elbow distribution.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the PE hot melting elbow is provided to solve the problems in the prior art.

The technical scheme is as follows: the utility model provides a PE hot melt elbow, including the return bend inside lining, articulated nail and return bend overcoat, the outside block of return bend inside lining has the return bend overcoat, the return bend overcoat passes through articulated nail with the return bend inside lining and is connected, wherein, the return bend inside lining is by the block lug, inside lining main part and articulated block group are constituteed, inside lining main part lateral wall side is provided with articulated block and block lug, the return bend overcoat is by the overcoat main part, hot melt silk and grip block group are constituteed, the block groove has been seted up to the inside wall of overcoat main part, the embedded hot melt silk that is equipped with of overcoat main part, the lateral wall of overcoat main part is provided with the grip block.

Furthermore, the lining main body is a bent pipe made of PE (polyethylene), the bending angle of the lining main body is 50 degrees, and scale marks are arranged on the lining main body; the acute angle degree of curvature of inside lining main part can be applicable to the installation of non-right angle, and the scale mark cooperates with the return bend overcoat, is convenient for adjust elbow fitting's connection angle.

Furthermore, the clamping convex block, the lining main body and the hinge block are of an integrated structure, the hinge block is arranged on the inward-bending side of the lining main body, and a hinge hole is formed in the hinge block; the return bend inside lining of body structure intensity is high, and is of high quality, and articulated piece is used for assembling the return bend overcoat.

Furthermore, the clamping lugs are arranged along the bending direction of the lining main body, the number of the clamping lugs is N, N is more than or equal to 2, and the clamping lugs and the hinge blocks are uniformly distributed on the outer side wall of the lining main body; the clamping quality of the elbow lining and the elbow jacket can be enhanced by the clamping convex blocks.

Furthermore, the outer sleeve main body is a bent pipe made of PE (polyethylene), the bending angle of the outer sleeve main body is 60 degrees, the outer sleeve main body and the clamping block are in an integrated structure, the end face of the clamping block is provided with a sleeve hole, the side wall of the clamping block is provided with a sleeving groove, and the sleeving groove extends to the inner side of the outer sleeve main body; the sleeving groove is a key structure for adjusting the angles of the outer sleeve main body and the bent pipe lining

Furthermore, the thermal fuse is a metal wire with high thermal conductivity coefficient, the number of the thermal fuse is M, M is more than or equal to 6, and two ends of the thermal fuse extend to the outer side of the outer sleeve main body; the compact thermal fuse can melt the inner side wall of the outer sleeve main body after being electrified, and the structure realizes the hot melting of the elbow lining and the elbow outer sleeve.

Furthermore, the clamping convex block is matched with the clamping groove, the circle center of the hinge hole is collinear with the circle center of the sleeve hole, and the hinge nail penetrates through the hinge hole and the sleeve hole; the cooperation of block lug and block groove enough makes return bend inside lining and return bend overcoat carry out angular adjustment, and the stable in structure when angular adjustment has been strengthened to the centre of a circle collineation of hinge hole and trepanning.

Has the advantages that: the traditional PE elbow is divided into the elbow lining and the elbow jacket and connected by the hinge pin, the elbow lining and the elbow jacket which can rotate relatively can be adjusted according to the butt joint angle of pipelines in a construction site, the introduction of the scale marks accelerates the angle adjustment of the elbow, the hot melt wire is electrified to quickly melt the elbow lining and the elbow jacket together, the elbow with a stable structure and multiple angles is formed, the mass production is suitable, the preparation cost of the unconventional elbow is reduced, the distribution of elbows with different angles in construction is avoided, the construction cost is saved, the construction resource distribution is optimized, and therefore the practicability of the elbow in construction is enhanced.

Drawings

Fig. 1 is a schematic structural view of the present invention.

FIG. 2 is a schematic view of the elbow liner of the present invention.

Fig. 3 is a schematic diagram of the construction of the elbow jacket of the present invention.

FIG. 4 is a front cross-sectional view of the elbow jacket of the present invention.

The reference signs are: 1. a bent pipe lining; 11. clamping the convex block; 12. a liner body; 13. a hinged block; 14. a hinge hole; 15. scale lines; 2. a hinge pin; 3. sleeving a bent pipe; 31. a jacket main body; 32. thermal fusing; 33. trepanning; 34. a clamping block; 35. a clamping groove; 36. the groove is sleeved.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the utility model.

As shown in figure 1, the PE hot-melting elbow comprises an elbow lining 1, a hinge pin 2 and an elbow jacket 3, wherein the elbow jacket 3 is clamped outside the elbow lining 1, and the elbow jacket 3 is connected with the elbow lining 1 through the hinge pin 2.

As shown in fig. 2, the elbow liner 1 is composed of a clamping convex block 11, a liner main body 12 and a hinge block 13, the hinge block 13 and the clamping convex block 11 are arranged on the outer side wall side of the liner main body 12, wherein the liner main body 12 is an elbow made of PE, the bending angle of the liner main body 12 is 50 degrees, a scale mark 15 is arranged on the liner main body 12, the acute-angle bending degree of the liner main body 12 can be suitable for non-right-angle installation, and the scale mark 15 is matched with the elbow jacket 3, so that the connection angle of the elbow joint can be conveniently adjusted; the clamping convex block 11, the lining main body 12 and the hinge block 13 are of an integral structure, the hinge block 13 is arranged on the inward-bending side of the lining main body 12, a hinge hole 14 is formed in the hinge block 13, the elbow lining 1 of the integral structure is high in strength and good in quality, and the hinge block 13 is used for assembling the elbow outer sleeve 3; the clamping convex blocks 11 are arranged along the bending direction of the lining main body 12, the number of the clamping convex blocks 11 is N, N is larger than or equal to 2, the clamping convex blocks 11 and the hinge blocks 13 are uniformly distributed on the outer side wall of the lining main body 12, and the clamping quality of the elbow lining 1 and the elbow jacket 3 can be enhanced through the clamping convex blocks 11.

As shown in fig. 3-4, the elbow jacket 3 is composed of a jacket main body 31, a thermal fuse 32 and a clamping block 34, a clamping groove 35 is formed in the inner side wall of the jacket main body 31, the thermal fuse 32 is embedded in the jacket main body 31, and the clamping block 34 is arranged on the outer side wall of the jacket main body 31, wherein the jacket main body 31 is an elbow made of PE, the bending angle of the jacket main body 31 is 60 °, the jacket main body 31 and the clamping block 34 are in an integrated structure, a jacket hole 33 is formed in the end surface of the clamping block 34, a jacket groove 36 is formed in the side wall of the clamping block 34, the jacket groove 36 extends to the inner side of the jacket main body 31, and the jacket groove 36 is a key structure for adjusting the angle between the jacket main body 31 and the elbow lining 1; the thermal fuse 32 is a metal wire with high thermal conductivity coefficient, the number of the thermal fuse 32 is M, M is more than or equal to 6, two ends of the thermal fuse 32 extend to the outer side of the outer sleeve main body 31, the compact thermal fuse 32 can melt the inner side wall of the outer sleeve main body 31 after being electrified, and the structure is used for realizing the hot melting of the elbow lining 1 and the elbow outer sleeve 3; the clamping convex block 11 is matched with the clamping groove 35, the circle centers of the hinge hole 14 and the sleeve hole 33 are collinear, the hinge nail 2 penetrates through the hinge hole 14 and the sleeve hole 33, the angle adjustment of the elbow lining 1 and the elbow outer sleeve 3 can be realized through the matching of the clamping convex block 11 and the clamping groove 35, and the structure stability during the angle adjustment is enhanced through the collinear circle centers of the hinge hole 14 and the sleeve hole 33.

When the elbow joint structure is used, firstly, the elbow lining 1 is assembled on the elbow jacket 3 by utilizing the matching of the clamping convex blocks 11 and the clamping grooves 35, then the hinge nails 2 penetrate through the collinear sleeve holes 33 and the hinge holes 14, then the relative positions of the elbow lining 1 and the elbow jacket 3 are adjusted according to the angle of the elbow required on site, the process can be matched with the scale marks 15 on the lining main body 12, so that the angle adjusting process is accurate and quick, then the hinge nails 2 are fastened, the elbow lining 1 and the elbow jacket 3 are pre-fixed, then the hot melt wires 32 at proper positions are electrified, the jacket main body 31 around the hot melt wires 32 are melted, then the hot melt part is carded by using the scraper, so that the melted jacket main body 31 is connected to the elbow lining 1, and then the elbow jacket 1 and the elbow jacket 3 are connected to two pipelines with unconventional included angles.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.

Claims

1. A PE hot melt elbow is characterized in that: including return bend inside lining (1), articulated nail (2) and return bend overcoat (3), the outside block of return bend inside lining (1) has return bend overcoat (3), return bend overcoat (3) are connected through articulated nail (2) with return bend inside lining (1), wherein, return bend inside lining (1) is by block lug (11), inside lining main part (12) and articulated piece (13) are constituteed, inside lining main part (12) outside wall side is provided with articulated piece (13) and block lug (11), return bend overcoat (3) is by overcoat main part (31), hot melt (32) and grip block (34) are constituteed, block groove (35) have been seted up to the inside wall of overcoat main part (31), embedded hot melt (32) of being equipped with in overcoat main part (31), the lateral wall of overcoat main part (31) is provided with grip block (34).

2. The PE hot-melt elbow according to claim 1, characterized in that: the lining main body (12) is a bent pipe made of PE material, the bending angle of the lining main body (12) is 50 degrees, and scale marks (15) are arranged on the lining main body (12).

3. The PE hot-melt elbow according to claim 1, characterized in that: block lug (11), inside lining main part (12) and articulated piece (13) are a body structure, and articulated piece (13) set up in the inturn side of inside lining main part (12), have seted up hinge hole (14) on articulated piece (13).

4. The PE hot-melt elbow according to claim 1, characterized in that: the clamping lugs (11) are arranged along the bending direction of the lining main body (12), the number of the clamping lugs (11) is N, N is larger than or equal to 2, and the clamping lugs (11) and the hinging blocks (13) are uniformly distributed on the outer side wall of the lining main body (12).

5. A PE hot melt elbow according to claim 1, wherein: the outer sleeve main body (31) is a bent pipe made of PE materials, the bending angle of the outer sleeve main body (31) is 60 degrees, the outer sleeve main body (31) and the clamping block (34) are of an integrated structure, the end face of the clamping block (34) is provided with a sleeve hole (33), the side wall of the clamping block (34) is provided with a sleeving groove (36), and the sleeving groove (36) extends to the inner side of the outer sleeve main body (31).

6. The PE hot-melt elbow according to claim 1, characterized in that: the thermal fuse (32) is a metal wire with high thermal conductivity, the number of the thermal fuse (32) is M, M is more than or equal to 6, and two ends of the thermal fuse (32) extend to the outer side of the outer sleeve main body (31).

7. A PE hot melt elbow according to claim 1, wherein: the clamping convex block (11) is matched with the clamping groove (35), the circle centers of the hinge hole (14) and the sleeve hole (33) are collinear, and the hinge nail (2) penetrates through the hinge hole (14) and the sleeve hole (33).