CN212226339U

CN212226339U - Pipeline connecting structure and pipeline system

Info

Publication number: CN212226339U
Application number: CN202022428889.7U
Authority: CN
Inventors: 邓波; 陈定光; 郭少宏; 李向前; 杨旭彬
Original assignee: Foshan Institute Of Inspection Guangdong Institute Of Special Equipment Inspection
Current assignee: Foshan Institute Of Inspection Guangdong Institute Of Special Equipment Inspection
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2020-12-25
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a pipeline connecting structure and pipe-line system, this pipeline connecting structure includes mainstream pipe and shunt tubes, the shunt tubes intercommunication the mainstream pipe, be equipped with annular flange in the mainstream pipe, be equipped with the piston in the mainstream pipe, the external diameter of piston is greater than the internal diameter of annular flange, the external diameter of piston is less than the internal diameter of mainstream pipe, be equipped with first spring on the mainstream pipe, the one end of first spring is connected the mainstream pipe, the other end of first spring is connected the piston, be equipped with the thimble in the shunt tubes, the thimble is connected the shunt tubes, the shunt tubes passes through threaded connection the shunt tubes, the thimble is used for supporting the piston makes the shunt tubes switch on the shunt tubes; the pipeline system comprises the pipeline connecting structure. The utility model provides a can carry out pipeline connection structure and pipe-line system that the pipeline was dismantled conveniently.

Description

Pipeline connecting structure and pipeline system

Technical Field

The utility model relates to a connection structure, especially a pipeline connection structure and pipe-line system.

Background

The pressure pipeline refers to a tubular device for conveying gas or liquid by using a certain pressure. The medium for its transportation can be a gas, liquefied gas, vapour or a liquid that is flammable, explosive, toxic, corrosive, with a maximum working temperature above or equal to the normal boiling point. It is therefore generally necessary to close the main gate of the fluid flow when replacing the pipe, on the one hand to avoid excessive leakage of some of the fluid and on the other hand to save resources. However, in actual use, the problem that the main gate is forgotten to be closed due to human errors still exists, and therefore, the safety hazard exists.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: at least one problem of the above proposed is solved, and a pipe connection structure with high safety performance is provided.

The utility model provides a solution of its technical problem is:

the utility model provides a pipeline connection structure, includes mainstream pipe and shunt tubes, the shunt tubes intercommunication the mainstream pipe, be equipped with annular flange in the mainstream pipe, be equipped with the piston in the mainstream pipe, the external diameter of piston is greater than annular flange's internal diameter, the external diameter of piston is less than the internal diameter of mainstream pipe, be equipped with first spring on the mainstream pipe, the one end of first spring is connected the mainstream pipe, the other end of first spring is connected the piston, first spring is used for producing elasticity and makes the piston cover annular flange's internal diameter, be equipped with the thimble in the shunt tubes, the thimble is connected the shunt tubes, the shunt tubes passes through threaded connection the mainstream pipe, the thimble is used for supporting the piston and compress first spring and make the shunt tubes switch on the mainstream pipe.

As a further improvement of the above technical solution, a stop collar is arranged in the main flow pipe, one end of the first spring is connected to the stop collar, and the other end of the first spring is connected to the piston.

As a further improvement of the technical scheme, the outer wall of the limiting ring is provided with external threads, internal threads are arranged in the main flow pipe, and the external threads are connected with the internal threads in a matched mode.

As a further improvement of the above technical solution, a hinge is provided on the annular flange, the annular flange is connected to the piston through the hinge, and the piston is used to cover the inner diameter of the annular flange.

As a further improvement of the technical scheme, a fixing ring is arranged in the shunt pipe and connected with the ejector pin, the fixing ring is fixedly connected with the shunt pipe, and a plurality of through holes are formed in the fixing ring.

As a further improvement of the above technical scheme, be equipped with the second spring on the fixed ring, the second spring set up in fixed ring with between the mainstream pipe, the one end of second spring is connected fixed ring, the other end of second spring is connected the thimble, thimble sliding connection fixed ring's inner wall.

As a further improvement of the technical scheme, the main flow pipe is provided with first threads, the shunt pipe is provided with second threads, and the first threads are connected with the second threads in a matched mode.

The utility model also provides a pipe-line system, including the pipe connection structure of the combination of above-mentioned arbitrary technical scheme, still include the main header, the mainstream pipe is equipped with a plurality of, each the mainstream pipe communicates respectively the main header.

The utility model has the advantages that: when a user separates the main flow pipe and the shunt pipe, the main flow pipe and the shunt pipe move away from each other, the ejector pin moves along the direction away from the piston, and in the process that the ejector pin is away from the piston, the first spring drives the piston to move towards the annular flange until the piston covers the inner diameter of the annular flange under the action of the elastic force of the first spring, so that the piston seals the inner diameter of the annular flange, and the sealing of the main flow pipe is realized; therefore, the user can realize the effect of automatic sealing after separating the main flow pipe and the shunt pipe.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a front view of the present invention;

fig. 2 is an isometric view of the section a-a of fig. 1 of the present invention;

fig. 3 is a schematic structural diagram of the present invention.

In the drawings: 1-main flow pipe, 2-shunt pipe, 3-first spring, 4-thimble, 5-piston, 6-spacing ring, 7-hinge, 8-annular flange, 9-through hole, 10-second spring, 11-fixed ring.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1 to 3, a pipe connection structure includes a main flow pipe 1 and a branch pipe 2, the branch pipe 2 communicates with the main flow pipe 1, an annular flange 8 is arranged in the main flow pipe 1, a piston 5 is arranged in the main flow pipe 1, the outer diameter of the piston 5 is larger than the inner diameter of the annular flange 8, the outer diameter of the piston 5 is smaller than the inner diameter of the main flow pipe 1, a first spring 3 is arranged on the main flow pipe 1, one end of the first spring 3 is connected with the main flow pipe 1, the other end of the first spring 3 is connected with the piston 5, the first spring 3 is used for generating elastic force and enabling the piston 5 to cover the inner diameter of the annular flange 8, the shunt pipe 2 is internally provided with a thimble 4, the thimble 4 is connected with the shunt pipe 2, the shunt pipe 2 is connected with the main pipe 1 through threads, the thimble 4 is used for pressing against the piston 5 to compress the first spring 3 so that the shunt tube 2 is conducted with the main tube 1.

From the above, when a user separates the main flow pipe 1 and the shunt pipe 2, the main flow pipe 1 and the shunt pipe 2 move away from each other, so that the ejector pin 4 moves along the direction away from the piston 5, and in the process that the ejector pin 4 moves away from the piston 5, the first spring 3 drives the piston 5 to move towards the annular flange 8 until the inner diameter of the annular flange 8 is covered under the action of the elastic force of the first spring 3, so that the piston 5 seals the inner diameter of the annular flange 8, and further the sealing of the main flow pipe 1 is realized; therefore, the user can realize the effect of automatic sealing after separating the main flow pipe 1 and the shunt pipe 2.

When a user needs to communicate the main pipe 1 with the shunt pipe 2, the user can press the thimble 4 against the piston 5 and overcome the elastic force of the first spring 3 to move the piston 5 away from the annular flange 8, so as to realize that the main pipe 1 communicates with the shunt pipe 2.

In some embodiments, a stop ring 6 is disposed in the main flow pipe 1, one end of the first spring 3 is connected to the stop ring 6, and the other end of the first spring 3 is connected to the piston 5. This simple structure, convenient setting, through spacing to first spring 3 of spacing ring 6, can realize that spacing ring 6 connects piston 5 through first spring 3.

In some embodiments, the outer wall of the stop collar 6 is provided with an external thread, and the main flow pipe 1 is internally provided with an internal thread, and the external thread is matched with and connected with the internal thread. This simple structure, setting convenience, through the setting of this structure, can realize the connection of dismantling between spacing ring 6 and the mainstream pipe 1 two.

In some embodiments, the annular flange 8 is provided with a hinge 7, the annular flange 8 is connected with the piston 5 through the hinge 7, and the piston 5 is used for covering the inner diameter of the annular flange 8. The structure is simple, the arrangement is convenient, and the hinge 7 is connected with the piston 5, so that the piston 5 can rotate around the rotating axis direction of the hinge 7. Furthermore, in one embodiment, the first spring 3 may be a torsion spring or a spring.

In some embodiments, a fixing ring 11 is disposed in the shunt tube 2, the fixing ring 11 is connected to the thimble 4, the fixing ring 11 is fixedly connected to the shunt tube 2, and the fixing ring 11 is provided with a plurality of through holes 9. The through holes 9 arranged on the fixing ring 11 are used for conducting fluid at two ends of the fixing ring 11, and the thimble 4 is connected through the fixing ring 11, so that the setting is convenient.

In some embodiments, the fixing ring 11 is provided with a second spring 10, the second spring 10 is disposed between the fixing ring 11 and the main pipe 1, one end of the second spring 10 is connected to the fixing ring 11, the other end of the second spring 10 is connected to the thimble 4, and the thimble 4 is slidably connected to the inner wall of the fixing ring 11. In the process of assembling the main pipe 1 and the shunt pipe 2, when the assembling device is used, the thimble 4 is inserted into the main pipe 1, the thimble 4 moves towards the piston 5 until the thimble 4 touches the piston 5, at this time, the user continues to apply external force to the shunt pipe 2, the shunt pipe 2 further approaches the main pipe 1 to compress the second spring 10, and then the user can connect the main pipe 1 and the shunt pipe 2.

In addition, the thimble 4 is slidably connected with the inner wall of the fixing ring 11, so that the fixing ring 11 can guide the thimble 4.

In some embodiments, the main flow pipe 1 is provided with a first thread, and the shunt pipe 2 is provided with a second thread, wherein the first thread is matched and connected with the second thread. This simple structure, setting convenience, through the setting of this structure, can make things convenient for the connection of pillar and mainstream pipe 1 more.

In some embodiments, the main pipe 1 and the branch pipe 2 are fixedly connected through the first and second threads, the branch pipe 2 and the main pipe 1 are further close to each other during the rotation of the first and second threads, and the reaction force generated by the second spring 10 is greater than the elastic force of the first spring 3, so that the piston 5 compresses the first spring 3, and the piston 5 is far away from the annular flange 8 to conduct the inner diameter of the annular flange 8.

The utility model also provides a pipe-line system, including the pipe connection structure of the combination of above-mentioned arbitrary technical scheme, still include the main line, main flow pipe 1 is equipped with a plurality of, each main flow pipe 1 communicates respectively the main line. This pipe-line system has adopted the pipeline connection structure of the combination of above-mentioned arbitrary embodiment, through the setting of this structure, satisfies the user demand of the different shunt tubes 2 quantity of user, uses more in a flexible way.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. A pipe connection structure, includes mainstream pipe (1) and shunt tubes (2), its characterized in that: shunt tubes (2) intercommunication sprue (1), be equipped with annular flange (8) in sprue (1), be equipped with piston (5) in sprue (1), the external diameter of piston (5) is greater than the internal diameter of annular flange (8), the external diameter of piston (5) is less than the internal diameter of sprue (1), be equipped with first spring (3) on sprue (1), the one end of first spring (3) is connected sprue (1), the other end of first spring (3) is connected piston (5), first spring (3) are used for producing elasticity and make piston (5) cover the internal diameter of annular flange (8), be equipped with thimble (4) in shunt tubes (2), thimble (4) are connected shunt tubes (2), shunt tubes (2) are through threaded connection sprue (1), the ejector pin (4) is used for abutting against the piston (5) to compress the first spring (3) so as to enable the flow dividing pipe (2) to conduct the main flow pipe (1).

2. A pipe connecting structure according to claim 1, wherein: be equipped with spacing ring (6) in mainstream pipe (1), the one end of first spring (3) is connected spacing ring (6), the other end of first spring (3) is connected piston (5).

3. A pipe connecting structure according to claim 2, wherein: the outer wall of spacing ring (6) is equipped with the external screw thread, be equipped with the internal thread in mainstream pipe (1), the external screw thread cooperation is connected the internal thread.

4. A pipe connecting structure according to claim 1, wherein: the annular flange (8) is provided with a hinge (7), the annular flange (8) is connected with the piston (5) through the hinge (7), and the piston (5) is used for covering the inner diameter of the annular flange (8).

5. A pipe connecting structure according to claim 1, wherein: be equipped with solid fixed ring (11) in shunt tubes (2), gu fixed ring (11) is connected thimble (4), gu fixed ring (11) fixed connection shunt tubes (2), gu be equipped with a plurality of through-hole (9) on fixed ring (11).

6. A pipe connecting structure according to claim 5, wherein: be equipped with second spring (10) on solid fixed ring (11), second spring (10) set up in solid fixed ring (11) with between mainstream pipe (1), the one end of second spring (10) is connected gu fixed ring (11), the other end of second spring (10) is connected thimble (4), thimble (4) sliding connection gu the inner wall of solid fixed ring (11).

7. A pipe connecting structure according to claim 6, wherein: be equipped with first screw thread on mainstream pipe (1), be equipped with the second screw thread on shunt tubes (2), first screw thread cooperation is connected the second screw thread.

8. A piping system, characterized by: comprising a pipe connection according to any one of claims 1-7, further comprising a main pipe, said main flow pipe (1) being provided with a number of pipes, each of said main flow pipes (1) being in communication with said main pipe, respectively.