CN2202841Y

CN2202841Y - Pipe base

Info

Publication number: CN2202841Y
Application number: CN 94247902
Authority: CN
Inventors: 郭顺显; 靳明星
Original assignee: Jilin Jiangbei Machinery Factory Building East Industrial Co
Current assignee: Jilin Jiangbei Machinery Factory Building East Industrial Co
Priority date: 1994-12-22
Filing date: 1994-12-22
Publication date: 1995-07-05
Anticipated expiration: 2004-12-22

Abstract

The utility model relates to a pipe seat used for general engineering. The utility model is characterized in that the pipe seat is composed of a conical pipe seat body, annular direction grooves arranged on the external wall of the pipe seat body and a cone passage arranged in the pipe seat body. The pipe seat can be used for replacing triple valves, collecting pipes and opening reinforcement branch pipes to branch the pipelines. The utility model has the advantages of small size, low cost, etc.

Description

Pipe base

A kind of base that is used for the common engineering field.

Usually on pipeline, use threeway, Manifolds, reinforcement for openings arm to come the connecting branch road, to realize the fluid shunting.Use threeway Manifolds cost height, big pipeline constructional difficulties; Use the reinforcement for openings arm,, cause the stress concentration phenomenon because of corner is 90 ° of right angles, and the operation complexity, weld seam is many, and safety coefficient is low.

The purpose of this utility model is to provide a kind of above-mentioned shortcoming that overcomes, and it is little, easy for installation to substitute threeway, Manifolds and reinforcement for openings arm and volume, the base that cost is low.

The purpose of this utility model is realized by following technological scheme:

A kind of base, its special way are that the base body for conical, is provided with the hoop groove on the outer wall of base body, and the cone passage is set in the base body.Base connects with adopting known butt welding being connected of arm, and SOCKET WELDING connects and the three kinds of modes that are threaded.

Base of the present utility model is compared with existing threeway, standard tee branch reducing scope is half of predominant tube diameter, if need special threeway when arm needs bigger reducing, this class threeway is difficult to make and the cost height, and base is easily made and cost is low, adopt base to compare cost-saved 50%～60% with adopting threeway; Compare with existing Manifolds with the Manifolds that the welding base is made, can reduce cost 70%～80%; Base is compared with the reinforcement for openings arm, because of being provided with the cone passage in the base, make fluid a gradual transition be arranged from being responsible for arm, relax the stress concentration phenomenon greatly, improved fluid and flowed, base has carried out thickness compensation from being responsible for to the varied in thickness of arm transition region to the stress concentration phenomenon that liquid in pipe pressure produces.With the different in width of the side bevel for welding of being responsible for the joint, the stress distribution when being subjected to interior the pressure with pipe adapts, and pipeline does not break when pressing in pipe is subjected to fully.Have volume little, easy for installation, be easy to construction operation, low cost and other advantages.

The utility model is described in further detail to utilize embodiment shown in the drawings below

Fig. 1 is 90 ° of structural drawing when being connected for base and main line.

Fig. 2 is the side view of Fig. 1.

Structural drawing when Fig. 3 is connected for base and main line are 45 ° of angles.

Fig. 4 is the structural drawing of base when being connected with elbow.

With reference to attached Fig. 1 and 2, base is by the base body (1) that is conical (2), and the cone passage (4) that is provided with in the hoop groove (3) that is provided with on base body (1) outer wall, the base body (1) is formed.Base adopts rod iron to make through machining.Base body (1) is conical (2), has mainly embodied from being responsible for the variation to arm transition region base body thickness, and the stress intensity that this variation and tube fluid pressure are produced adapts, and base has been carried out reinforcement in shape.The hoop groove (3) that is provided with on the outer wall of base body (1), this groove that is weldingly connected with the person in charge is located (50 ° of angles among the figure) width maximum being 90 ° with the person in charge, gradually change downwards to lowest part (among the figure with 35 ° of angles of horizontal plane) minimum, thickness herein is identical with person in charge's wall thickness, stress intensity when the distribution of this groove width is subjected to interior the pressure with pipe is corresponding, has guaranteed base and the reliability of being responsible for join strength.The cone passage (4) that is provided with in the base body (1), this structure has been avoided the unexpected turning of inner cavity of pipe in bifurcation, and the stress concentration phenomenon is reduced greatly, and it is mobile to have improved fluid.

With reference to accompanying drawing 3, connect needs according to pipeline, can make 45 ° of bases, 45 ° of bases are 45 ° of angles with the person in charge who is connected, and alternative skew T uses.

With reference to accompanying drawing 4, connect needs according to pipeline, can make the elbow base, the person in charge that the elbow base connected is an elbow.

When base is installed, with hole of main line cutting, base is placed on the person in charge earlier, aligns the back and be welded to connect along hoop groove and the main line of base, be responsible for weld after, again base is welded (butt welding, SOCKET WELDING and be threaded) with arm.

Claims

1, a kind of base is characterized in that the base body (1) by conical (2), and the cone passage (4) that is provided with in the hoop groove (3) that is provided with on base body (1) outer wall, base body (1) is formed.