CN2874179Y

CN2874179Y - Pipeline connection structure

Info

Publication number: CN2874179Y
Application number: CN 200620055319
Authority: CN
Inventors: 韩绍文
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-02-23
Filing date: 2006-02-23
Publication date: 2007-02-28
Anticipated expiration: 2016-02-23

Abstract

This utility model relates to a pipeline connecting mechanism, comprising two pipe bodies. This utility model is characterized in that: trumpet-like connection terminals that are made via integral processing are set for joining the pipe bodies; movable connecting pipe cores are set in between the two opposite trumpet-like connection terminals; connecting female elements with internal thread and connecting male elements with external thread that can join with each other via revolving are set in the pipe bodies; the pipe bodies are joined together via the trumpet-like connection terminals set in the cores of connecting pipes and then are connected with each other by revolving fast the connecting female elements and connecting male elements. This utility model, with the adoption of the structure that the trumpet-like connection terminal and the coordinating movable connecting pipe core are joined and sealed by revolving tight the connecting females elements and connecting male elements, can not only prevent the coaxial detachment of the connected pipeline, ensure more reliable connection between the pipes, but also realize excellent sealing performance and simple and convenient installation and engineering.

Description

A kind of pipe connecting structure

Technical field

The utility model relates to refuting of a kind of pipeline and pipeline and connects or linkage structure.

Background technique

Stainless steel pipe is optimal tubing from material and cost.But stainless steel pipeline connects or when connecting, often also will adopt modes such as strand tooth, open channels refuting.Because screw thread has certain height and degree of depth requirement,, when the stainless steel pipe that the production conveyance fluid is used, just pipe thickness need be done enough thick for guaranteeing stainless steel pipeline join strength and sealability.But thing followed problem: cause the Stainless Steel Tube thickness of pipe wall to be much higher than the size that real fluid pressure is set, cause a large amount of wastes of national metallic material, the cost of production of enterprise also increases thereupon.So the stainless steel pipe of thin-walled all has remarkable advantages in cost of production, the minimizing wasting of resources, become a leading tubing of promoting.Yet, at present the stainless steel pipe of thin-walled refute connect or Placement mainly contain clamp-press type, ring pressure type, flange formula, bonded, carry thread type, spigot and socket type, scrobicular ring formula, clamp band type, bolt-type, welding type etc., but these modes in the practice of construction process all in various degree the face of land go out following shortcoming: site operation difficulty, daily change and safeguard that narrow limitation is big, to workmen's technical requirements height, assembling connects difficulty, connect the liquid residue that the slit produces easily, be subjected to Environmental Conditions to influence installation quality easily; And, when tube fluid pressure transient or increased pressure, there is very big axial separation force, the accident that separation causes escape of liquid is sent out in the as easy as rolling off a log joint that makes.

Summary of the invention

The purpose of this utility model is to solve above-mentioned existing problems, provides a kind of connection reliable, good seal performance, and easy construction, simple is convenient to change and safeguard pipe connecting structure simple in structure.

The technical solution of the utility model is achieved in that

A kind of pipe connecting structure, comprise two bodys, its characteristics are that refuting of described body and body connects end and be respectively horn-like the refuting that one processes and connect port, and relative two horn-like refute to connect be provided with between the port that its two ends are salable to be placed on the horn-like flexible connection tube core that connects in the port of refuting identically, and being respectively arranged with can spin mutually tapped on body and body is connected parent part and has the externally threaded bull that is connected, described body with body by the movably connecting pipe core retainer plate put its horn-like refute to connect in the port connect, and refute mutually hermetically with connecting screwing mutually of parent part and connect together by connecting bull.

For making structure of the present utility model more simple, sealability is better, and above-mentioned flexible connection tube core is the connection tube core that two ends are conical structure, and this connecting tube core retainer plate has two ends to be the seal ring of cone structure.Simultaneously, in order further to improve reliability and the sealability that the utility model connects, above-mentioned connection parent part and the inner hole wall that is connected bull are respectively equipped with and the horn-like conical surface inclined-plane of wedging mutually that connects port of refuting.

The utility model is owing to adopt horn-like refuting to connect port and the flexible connection tube core that is sealed and matched mutually with it and by being connected parent part and being connected spinning of bull and locking and reach the structure that pipeline enclosure is tightly connected, make the utility model not only can prevent effectively that pipeline from connecting generation axial separation phenomenon, make the connection of pipeline enclosure more reliable, good seal performance, and it is very convenient, simple to assemble, construct; Also reach convenient simultaneously and change in the future and safeguard, reduced and transformed and the technique effect of maintenance cost in the future.

Below in conjunction with accompanying drawing the utility model is further described:

Description of drawings

Fig. 1 is a sectional structure schematic representation of the present utility model.

Embodiment

As shown in Figure 1, a kind of pipe connecting structure described in the utility model comprises body 1 and body 2.Unreliable for effectively solving existing Stainless Steel Tube connection, constructional difficulties, problems such as inconvenience change and maintenance, body described in the utility model 1 and refuting of body 2 connect end and are respectively horn-like the refuting that one processes and connect port one 1,21, and two relative horn-like refuting connect port one 1, be provided with between 21 that its two ends are salable to be placed on the horn-like flexible connection tube core 3 that connects in the port one 1 of refuting identically, and being respectively arranged with can spin mutually tapped on body 1 and body 2 is connected parent part 4 and has the externally threaded bull 5 that is connected, described body 1 is nested with its horn-like refuting with body 2 by flexible connection tube core 3 and connects port one 1, in 21 and connect together, and refute mutually hermetically with connecting screwing mutually of parent part 4 and connect together by connecting bull 5.Like this, make the utility model not only can prevent effectively that pipeline from connecting generation axial separation phenomenon, make the connection of pipeline enclosure more reliable, good seal performance, and also it is very convenient, simple to assemble, construct; Also reach convenient simultaneously and change in the future and safeguard, reduced and transformed and the technique effect of maintenance cost in the future.Wherein, horn-like on the body refuted and connect port and can process by mouth expander.For making structure of the present utility model more simple, sealability is better, and above-mentioned flexible connection tube core 3 is the connection tube core of conical structure for two ends, and this connecting tube core retainer plate has two ends to be the seal ring 6 of cone structure.Make the utility model seal wedging with the seal ring 6 formed conical surfaces that two ends are cone structure mutually with the horn-like internal cone wall that connects port of refuting, accomplish good seal performance, do not have the residual leakage of liquid by the conical surface of the conical structure formation of connecting core.Simultaneously, the internal diameter of body is matched with being connected the tube core bore, to guarantee effectively that also liquid circulates when not having liquid residue in body smooth and easy reaching, non-resistance.In order further to improve reliability and the sealability that the utility model connects, above-mentioned connection parent part 4 and the inner hole wall that is connected bull 5 are respectively equipped with and the horn-like conical surface inclined-plane 41,51 of wedging mutually that connects port one 1,21 of refuting.Make body 1 and body 2 when being connected by the inclined-plane 41 that connects parent part 4 and the inclined-plane 51 that is connected bull 5 respectively with horn-like refute the conical surface balance that connects port one 1,21 identical after, the centre adds that the internal diameter that is with seal ring 6 equals the outer inclined-plane of internal diameter of tube body and horn-like refuting connects the cone flexible connection tube core 3 that port matches, and screws to connect parent part 4 and be connected bull 5 back sealings to form 3 tight axial self-locking snappings.

Claims

1, a kind of pipe connecting structure, comprise two bodys (1,2), it is characterized in that refuting of described body (1) and body (2) connects end and be respectively horn-like the refuting that one processes and connect port (11,21), and two relative horn-like refuting connect port (11,21) be provided with between that its two ends are salable to be placed on the horn-like flexible connection tube core (3) that connects in the port (11) of refuting identically, and being respectively arranged with can spin mutually tapped on body (1) and body (2) is connected parent part (4) and has the externally threaded bull (5) that is connected, described body (1) is nested with its horn-like refuting with body (2) by flexible connection tube core (3) and connects port (11,21) in and connect together, and refute mutually hermetically with screwing mutually of connection parent part (4) and connect together by connecting bull (5).

2,, it is characterized in that above-mentioned flexible connection tube core (3) is the connection tube core of conical structure for two ends, and this connecting tube core retainer plate there are two ends to be the seal ring (6) of cone structure according to the described pipe connecting structure of claim 1.

3,, it is characterized in that above-mentioned connection parent part (4) and the inner hole wall that is connected bull (5) are respectively equipped with and the horn-like conical surface inclined-plane of wedging (41,51) mutually that connects port (11,21) of refuting according to the described pipe connecting structure of claim 1.