CN2783093Y

CN2783093Y - Glue adhering connection structure for thin wall metal pipe line

Info

Publication number: CN2783093Y
Application number: CN 200520102059
Authority: CN
Inventors: 梁世良
Original assignee: Individual
Current assignee: Ningbo Huatao Stainless Steel Pipe Co Ltd
Priority date: 2005-04-30
Filing date: 2005-04-30
Publication date: 2006-05-24
Anticipated expiration: 2015-04-30

Abstract

The utility model relates to a glue adhesion connection structure for a thin wall metal pipe line, which is formed by the mutual insertion and the connection of a connection pipe (1) and a connection pipe fitting (2). The utility model is characterized in that an end part (21) of the connection pipe fitting (2) is in a cone shape, and the cone-shaped end part (21) is inserted and connected integrally with a cone-shaped end part (11) on the corresponding connection pipe (1). A binder layer (3) is coated between contact surfaces at a splicing position. The utility model has the advantages that the cooperation of conical surfaces at a connection position causes a gap between linking and a socket to be minimized under the condition that the quality cost is not increased. The utility model both assures and satisfies the accuracy requirement of sheathing and insertion connection, accelerates the solidification of binder and increases gluing strength. Under the premise of the satisfaction of use requirement, the wall thickness of a pipe and a pipe fitting can also be reduced. According to calculation, the material cost can be reduced by about 10 percent because of the connection mode. The utility model not only provides a convenient path for the installation of the metal pipe line, but also brings great commercial opportunity for business men.

Description

The gluing linkage structure of thin wall metal pipeline

Technical field

The utility model relates to the linkage structure of metallic conduit, especially refers to the gluing linkage structure of a kind of thin wall metal pipeline.

Background technique

The existing interconnective mode of pipeline is a lot, be 96238245.0 and be called the Chinese utility model patent of " flexible connecting structure of metal tube " as the patent No., the structure of its connection comprises metal straight pipe, connection pipe fitting, it is characterized in that on the inwall of connection pipe fitting end, having one section conical surface, conical surface place between metal straight pipe and connection pipe fitting is set with a trapezoidal cushion rubber and plastics trim ring respectively, and the outside screw in the connection pipe fitting end is connected with a locking gland.Though this linkage structure has certain connection advantage, but its shortcoming is that other part of connection is more, as need trapezoidal cushion rubber, plastics trim ring and lock gland, and on connection pipe fitting, also need screw thread, so production process is many, operation is also inconvenient, and, the more important thing is, this connection is not suitable for the installation on the thin wall metal pipeline, work as impressed pressure because of metal pipe-wall is thin when big slightly, metal pipe-wall will be out of shape, and reaches good sealing effect between connecting tube and the connection pipe fitting thereby be difficult to make.The gluing ways of connecting of employing is also arranged at present, this ways of connecting is very simple, but the problem that exists is that the spacing required precision between connecting tube and connection pipe fitting is very high, generally should be controlled between the 0.05--0.07mm, so to this traditional gluing connecting means is to be difficult to reach this precision, fully use thereby cause this Placement easily to be difficult on the thin wall metal pipeline.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of simple in structure, easy to operate and gluing linkage structure of thin wall metal pipeline that the linkage structure sealing is high at above-mentioned prior art present situation.

The utility model solves the problems of the technologies described above the technological scheme that is adopted: the gluing linkage structure of this thin wall metal pipeline, peg graft mutually by connecting tube and connection pipe fitting and to form, the end that it is characterized in that described connection pipe fitting is conical, and the conical end on this conical end connecting tube corresponding with it plugs together, and scribbles glue layer between the splicing position surface of contact.

Connection pipe fittings such as that above-mentioned connection pipe fitting can be is straight-through, threeway, four-way or elbow, and the conical end on the described connection pipe fitting can be young big socket, and the conical end on the connecting tube corresponding with it can be the little running-on of mouthful bassoon, conical end on the perhaps described connection pipe fitting can be mouthful little running-on of big root, and the conical end on the connecting tube corresponding with it is the big socket of young pipe.

As improvement, conical tapering all may be selected to be the 3-10 degree on described connection pipe fitting and the connecting tube, and the inserting depth of described splicing position may be selected to be 14--45mm.

Above-mentioned connecting tube can be pipelines such as stainless steel seam welded tube and bellows, and above-mentioned adhesive may be selected to be homemade anaerobic adhesive.

Compared with prior art, the utility model is conical because of the end of adopting connection pipe fitting, and the conical end on this conical end connecting tube corresponding with it plugs together, and the degree of depth of grafting is 12--50mm, and scribbles adhesive at splicing position.Therefore advantage of the present utility model is can accurately control well when the pipeline connection and interconnects pitch problems between the place, as long as conical surface on the connection pipe fitting and the conical surface on the connecting tube are reached the required spacing of sealing, after coating adhesive again, as everyone knows, as long as compress mutually with palmistry, can reach the requirement of mutual tight seal, thereby with this easy-to-operat but the highly difficult Placement that reaches tight seal becomes very easy control.Experimental result shows, product after this mode connects is pressurized to 12MPa in water filling, and product does not have leakage phenomenon, after the water filling sealing, be placed in the refrigerator-freezer, under subzero 18 ℃ dilatancy situation, freezing 24 hours, the joint of product is still excellent, boiled in the boiling water 180 minutes and the product after freezing put into again, water filling is forced into 2.4MPa then, and product is still intact and do not have the leakage phenomenon.So it is comprehensively above-mentioned, conical surface of the present utility model cooperates, do not increasing under the property condition of quality cost, gap between running-on and the socket is minimized, both guaranteed and satisfied cover and inserted the required precision that is connected, accelerate the curing of adhesive again and increased adhesive strength, and satisfying the wall thickness that also can reduce pipe and pipe fitting under the prerequisite of usage requirement, can reach about 10% through measuring and calculating because of this Placement can reduce cost of material, this installation for metallic conduit provides outside the convenient road, again for the trader has brought the big business opportunity of tool, so the utility model is a kind of product that has very much exploitation to be worth, and is worth expanding wide the application.

Description of drawings

Structural drawing when Fig. 1 bonds together respectively for the little straight tube of young big elbow of the utility model and mouthful bassoon;

Structural drawing when Fig. 2 bonds together respectively for the big straight tube of the little elbow of the big root of the utility model mouth and young pipe;

Structural drawing when Fig. 3 bonds together respectively for the little straight tube of young big threeway of the utility model and mouthful bassoon;

Structural drawing when Fig. 4 bonds together respectively for the big straight tube of the little threeway of the big root of the utility model mouth and young pipe;

Fig. 5 is young big elbow structure schematic representation of the utility model;

Fig. 6 is the little elbow structure schematic representation of the big root of the utility model mouth;

Fig. 7 is young big three-port structure schematic representation of the utility model;

Fig. 8 is the little three-port structure schematic representation of the big root of the utility model mouth;

Fig. 9 is the little straight tube structure schematic representation of the utility model mouth bassoon;

Figure 10 is the big straight tube structure schematic representation of the young pipe of the utility model;

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Extremely shown in Figure 10 as Fig. 1, the utility model is pegged graft mutually with connection pipe fitting 2 by connecting tube 1 and is formed, it is conical that the end 21 of described connection pipe fitting 2 is, and the conical end 11 on these conical end 21 connecting tubes 1 corresponding with it plugs together, the degree of depth of pegging graft is 20mm, and between the splicing position surface of contact, scribbling glue layer 3, this adhesive is chosen as homemade anaerobic adhesive.And described connection pipe fitting 2 can be threeway, elbow, connection pipe fittings such as straight-through or four-way, and the conical end 21 on these connection pipe fittings 2 can be young big socket, see Fig. 1, Fig. 3, Fig. 5 and shown in Figure 7, and the conical end 11 on the connecting tube 1 corresponding with it is mouthful little running-on of bassoon, see Fig. 1, Fig. 3, Fig. 5 and shown in Figure 9, certainly the conical end 21 on these connection pipe fittings 2 also may be selected to be mouthful little running-on of big root, see Fig. 2, Fig. 4, Fig. 6 and shown in Figure 8, and the conical end 11 on its corresponding connecting tube 1 is the big socket of young pipe, see Fig. 2, Fig. 4, and Figure 10, specifically can decide by design.Conical taper on described connecting tube 1 and the connection pipe fitting 2 all can excellently be selected as 5 degree.

The application process of the utility model linkage structure is as follows:

Selecting the connecting tube diameter is that stainless steel seam welded tube or the diameter of 0.6mm is the corrugated stainless steel tubing of 0.4mm for the 20mm wall thickness for the 20mm wall thickness, and connection pipe fitting is a three-limb tube spare, after running-on and socket carried out simple decontamination and handle, coat homemade adhesive anaerobic adhesive, running-on and socket grafting are combined together, the degree of depth of pegging graft is 20m mutually, places 5 minutes again, the splicing position adhesive is solidified, and promptly connection procedure is finished.So operate very easy and convenience, and operation tool is simple, present technique is installed more suitable to outside dimension at the pipeline of 133mm and following specification pipe fitting product.

Claims

1, the gluing linkage structure of a kind of thin wall metal pipeline, form by mutual the pegging graft of connecting tube (1) and connection pipe fitting (2), and between the splicing position surface of contact, scribble glue layer (3), the end (21) that it is characterized in that described connection pipe fitting (2) is conical, and the conical end (11) on this conical end (21) connecting tube corresponding with it (1) plugs together.

2, the gluing linkage structure of thin wall metal pipeline according to claim 1 is characterized in that described connection pipe fitting (2) is straight-through, threeway, four-way or curved head type connection pipe fitting.

3, the gluing linkage structure of thin wall metal pipeline according to claim 2, it is characterized in that the conical end (21) on the described connection pipe fitting (2) is young big socket, and the conical end (11) on the connecting tube corresponding with it (1) is mouthful little running-on of bassoon.

4, the gluing linkage structure of thin wall metal pipeline according to claim 2, it is characterized in that the conical end (21) on the described connection pipe fitting (2) is mouthful big little running-on of root, and the conical end (11) on the connecting tube corresponding with it (1) is the big socket of young pipe.

5,, it is characterized in that the last conical tapering of described connection pipe fitting (2) and connecting tube (1) is the 3-10 degree according to the gluing linkage structure of arbitrary described thin wall metal pipeline in the claim 1 to 4.

6, the gluing linkage structure of thin wall metal pipeline according to claim 5 is characterized in that its inserting depth of described splicing position is 14--45mm.

7,, it is characterized in that described connecting tube (1) is stainless steel seam welded tube or bellows according to the gluing linkage structure of arbitrary described thin wall metal pipeline in the claim 1 to 4.