WO2018218782A1

WO2018218782A1 - Built-in sealed connection unit, assembly and pipeline system

Info

Publication number: WO2018218782A1
Application number: PCT/CN2017/095032
Authority: WO
Inventors: 曾广新
Original assignee: 曾广新
Priority date: 2017-06-01
Filing date: 2017-07-28
Publication date: 2018-12-06
Also published as: CN107035924A

Abstract

Disclosed are a built-in sealed connection unit, an assembly and a pipeline system. The built-in sealed connection unit comprises: a first pipe (110), a connecting pipe (200) and a first connecting member (310); a circumferential surface of the first pipe (110) extends outwardly in the radial direction of the first pipe (110) to form a first baffle (111); the first baffle (111) divides the first pipe (110) into an inward extension section (101) and a mounting section (102); the first connecting member (310) is sleeved onto the mounting section (102) of the first pipe (110) along a direction from the mounting section (102) to the inward extension section (101), being fixedly connected to the mounting section (102); a sealing member is disposed between the first connecting member (310) and the first baffle (111); the connecting pipe (200) is sleeved onto the first connecting member (310) along a direction from the inward extension section (101) to the mounting section (102), being fixedly connected to the first connecting member (310). By means of the present invention, the first pipe (110) and the connecting pipe (200) may be conveniently and quickly connected, and the costs are low.

Description

Built-in sealed connection unit, assembly and piping system

This application claims the priority of the Chinese Patent Application No. 201710406428X, entitled "Built-in Sealed Connection Units, Components, and Piping Systems", filed on June 1, 2017, the entire contents of which are incorporated by reference. In this application.

Technical field

The invention relates to the technical field of pipeline connection, in particular to a built-in sealed connection unit, a component and a pipeline system.

Background technique

In the field of construction engineering, it is usually necessary to connect pipes. In the prior art, there are various ways of pipe connection: for example, by flange connection, flange connection is a method of placing a gasket on a pair of fixed two nozzles. In the middle of the blue, a detachable joint that is tightly joined by bolts. Therefore, the main problem solved in the design of the flange connection is to prevent the medium from leaking. Flange connection locality is better in strength and tightness, and the applicable size range is wide. It can be applied on equipment and pipelines, so the application is more common. However, when the flange is connected, it cannot be assembled and disassembled very quickly, and the assembly is complicated and costly.

Therefore, the existing connection method assembly is complicated, and the technical problem with high cost becomes a technical problem that needs to be solved urgently.

Summary of the invention

One of the objects of the present invention is to provide a built-in sealed connection unit to alleviate the technical problems of complicated connection and high cost in the prior art.

The second object of the present invention is to provide a built-in sealed connection assembly to alleviate the technical problems of complicated connection and high cost in the prior art.

The third object of the present invention is to provide a pipeline system to alleviate the technical problems of complicated connection and high cost in the prior art.

For one of the above purposes, the technical solution provided by the present invention lies in:

A built-in sealed connection unit includes: a first pipe, a connecting pipe, and a first connecting member. The circumferential surface of the first duct extends outward in the radial direction of the first duct to form a first baffle, and the first baffle divides the first duct into the extending section and the mounting section. The first connecting member is sleeved in the mounting section of the first pipe along the mounting section to the extending section and is fixedly connected to the mounting section; a sealing member is disposed between the first connecting member and the first baffle. The connecting pipe is fitted to the first connecting member and fixedly connected to the first connecting member in a direction extending into the mounting portion.

Further, the first connecting member includes a connecting rod and a connecting head, and the connecting rod is disposed along a central axis direction of the connecting rod The through hole is provided with a through hole in the middle of the connecting head in the direction of the central axis of the connecting head, and the through hole of the connecting rod communicates with the through hole of the connecting head.

Further, the end of the connecting pipe facing the first connecting member is provided with a first mounting hole, and further, a first step is formed inwardly extending from the inner wall of the connecting pipe in a radial direction, the first A connector extends into the first mounting hole and an end of the first connector abuts the first step.

For the above two purposes, the technical solution provided by the present invention lies in:

An assembly including a built-in sealed connection unit, further comprising: a second conduit and a second connector. The second connector is sleeved on the mounting end of the second pipe, and the free end of the connecting pipe is fitted to the second connector.

Further, the circumferential surface of the second duct extends outward in the radial direction of the second duct to form a second baffle, and the second baffle divides the second duct into the extending section and the mounting section. A seal is disposed between the second connecting member and the second baffle.

Further, the second connecting member includes a connecting rod and a connecting head, the connecting rod is provided with a through hole in a direction of a central axis of the connecting rod, a middle portion of the connecting head is provided with a through hole in a direction of a central axis of the connecting head, and a through hole of the connecting rod It is connected to the through hole of the connector.

Further, the end of the connecting pipe facing the second connecting member is provided with a second mounting hole, and further, a second step extends inward in the radial direction from the inner wall of the connecting pipe, and the second connecting member extends The second mounting hole and the end of the second connector abut against the second step.

For the above three purposes, the technical solution provided by the present invention lies in:

A piping system comprising the above-described built-in sealed connection assembly. In combination with the above technical solutions, the beneficial effects that the present invention can achieve are:

Since the present invention provides a built-in sealed connection unit, the first pipe, the connecting pipe and the first connecting member are included. a circumferential surface of the first duct extends outwardly along a radial direction of the first duct to form a first baffle, and the first baffle divides the first duct into an extended section and a mounting section; The first connecting member is sleeved in the mounting section of the first pipe along the mounting section to the extending section and is fixedly connected with the mounting section; the first connecting piece and the first baffle A sealing member is disposed between the first connecting member and the first connecting member in a direction of the extending portion to the mounting portion.

In the specific use process, the first connecting member is first set in the mounting section of the first pipe, and the sealing member is installed between the first baffle of the first pipe and the first connecting member, and the first connecting member is continuously turned to the first During the pushing of the baffle, the end of the first connecting member presses the sealing member to increase the area of the sealing member in the radial direction, and the above assembling manner can not only fix the first connecting member and the first pipe, but also The sealing member seals the connection position.

After the first pipe and the first connecting member are assembled, the connecting pipe is sleeved in the direction of the extending portion to the mounting portion, and is fixedly connected to the first connecting member, thereby being first The relative position of the connecting piece to the connecting pipe is fixed.

Therefore, the first pipe and the connecting pipe can be connected conveniently and quickly by the technical solution provided by the invention.

DRAWINGS

In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings to be used in the specific embodiments or the description of the prior art will be briefly described below, and obviously, the attached in the following description The drawings are some embodiments of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative work.

1 is a schematic overall structural view of a built-in sealed connection unit according to an embodiment of the present invention;

Figure 2 is a cross-sectional view of Figure 1;

Figure 3 is a cross-sectional view of the first pipe;

Figure 4 is a cross-sectional view of the second pipe;

Figure 5 is a cross-sectional view of the connecting pipe;

Figure 6 is a cross-sectional view of the first connector and the second connector;

FIG. 7 is an exploded view of a built-in sealed connection assembly according to an embodiment of the present invention.

Icon: 110-first pipe; 200-connecting pipe; 310-first connector; 111-first baffle; 101-stretched section; 102-mounting section; 301-connecting rod; 302-connecting head; First mounting hole; 220-second mounting hole; 120-second pipe; 320-second connecting piece; 121-second baffle.

detailed description

The technical solutions of the present invention will be clearly and completely described in the following with reference to the accompanying drawings. It is obvious that the described embodiments are a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

In the description of the present invention, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. The orientation or positional relationship of the indications is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of the description of the invention and the simplified description, rather than indicating or implying that the device or component referred to has a specific orientation, in a specific orientation. The construction and operation are therefore not to be construed as limiting the invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components. For those skilled in the art, it can be understood in a specific situation. The specific meaning of the terms in the present invention.

Embodiment 1, Embodiment 2 and Embodiment 3 will be described in detail below with reference to the accompanying drawings:

1 is a schematic structural view of a built-in sealed connection unit according to an embodiment of the present invention; FIG. 2 is a cross-sectional view of FIG. 1; FIG. 3 is a cross-sectional view of the first pipe; FIG. 4 is a cross-sectional view of the second pipe; Figure 6 is a cross-sectional view of the first connector and the second connector; Figure 7 is an exploded view of the built-in sealed connector assembly according to an embodiment of the present invention.

Example 1

Referring to Figure 1, this embodiment provides a built-in sealed connection unit, comprising: a first duct 110, a connecting duct 200 and a first connecting member 310;

Referring to FIG. 3, the circumferential surface of the first duct 110 extends outward in the radial direction of the first duct 110 to form a first baffle 111, and the first baffle 111 divides the first duct 110 into the extending section 101 and the mounting section. 102;

Referring to FIG. 2, the first connecting member 310 is fitted to the mounting portion 102 of the first duct 110 in the direction of the mounting portion 102 to the extending portion 101 and is fixedly connected to the mounting portion 102; the first connecting member 310 and the first baffle 111 a seal is disposed between;

The connecting pipe 200 is fitted to the first connecting member 310 and fixedly connected to the first connecting member 310 in the direction of the extending portion 101 to the mounting portion 102.

In a specific use, the first connecting member 310 is firstly fitted to the mounting portion 102 of the first duct 110, and the sealing member is installed between the first baffle 111 of the first duct 110 and the first connecting member 310. During the continuous pushing of the connecting member 310 toward the first baffle 111, the end of the first connecting member 310 presses the sealing member to increase the area of the sealing member in the radial direction, and the above assembling manner can not only fix the first connection. The piece 310 and the first pipe 110, and the sealing position can be sealed by means of a seal.

After the first pipe 110 and the first connecting member 310 are assembled, the connecting pipe 200 is fitted to the first connecting member 310 and fixedly connected to the first connecting member 310 in the direction of extending into the segment 101 to the mounting portion 102, thereby The relative position of a connecting member 310 to the connecting duct 200 is fixed.

Therefore, the first duct 110 and the connecting duct 200 can be connected conveniently and quickly by the technical solution provided by the present invention.

The shape and structure of the first connecting member 310 are described in detail below as follows:

Referring to FIG. 6, the first connecting member 310 includes a connecting rod 301 and a connecting head 302. The connecting rod 301 is provided with a through hole along the central axis direction of the connecting rod 301, and a central portion of the connecting head 302 is provided with a through hole along the central axis of the connecting head 302. And the through hole of the connecting rod 301 communicates with the through hole of the connecting head 302.

The through hole of the connecting rod 301 of the first connecting member 310 is the same as the diameter of the through hole of the connecting head 302 of the first connecting member 310, and the connecting head 302 of the first connecting member 310 has a connecting rod with respect to the first connecting member 310. The outer wall of the 301 has a flange structure that projects radially outward. Further, one end of the connecting rod 301 protrudes into the connecting tube 200, and one end of the connecting head can The end of the connecting tube 200 is well sealed.

The shape and structure of the connecting pipe 200 are described in detail below as follows:

The end of the connecting pipe 200 facing the first connecting member 310 is provided with a first mounting hole 210, and a first step extends inward from the inner wall of the connecting pipe 200 in the radial direction, and the first connecting member 310 extends into the first mounting hole 210 and the end of the first connector 310 abuts the first step. The length of the first mounting hole 210 is greater than the length of the extending portion 101 of the first connecting member 310, and there is a gap between the end of the first connecting member 310 and the first step, and the gap is for accommodating the first pipe 110 A baffle 111 and a seal between the first baffle 111 and the first connecting member 310. The first connecting member 310 extends into the first mounting hole 210 to press the sealing member, so that the first connecting member 310 is sealed with the first baffle 111, the first duct 110 extends into the first mounting hole 210, and the first block The plate 111 is opposed to the first step. In the above-described fitting structure, the peripheral wall of the first mounting hole 210 in the radial direction is filled with the sealing member in a state in which the sealing member is pressed, and a good sealing effect can be achieved.

The connecting rod 301 of the first connecting member 310 extends into the first mounting hole 210, and the connecting head 302 of the first connecting member 310 abuts against the end surface of the connecting duct 200.

More preferably, the connecting duct 200 may be a cylindrical hollow structure, so that the connecting duct 200 may function as a duct connecting the both ends. And because the cylindrical hollow structure makes the inner wall suitable for fluid passage, the frictional resistance is small.

More preferably, the seal may for example be a sealing pad. The sealing rubber pad has certain elongation and elasticity, which is beneficial to the deformation of the sealing member after extrusion, thereby better functioning as a sealing.

In this embodiment, the outer diameter of the connecting rod 301 is matched with the aperture size of the first mounting hole 210 to match the connecting rod 301 with the first mounting hole 210. That is, the outer diameter of the connecting rod 301 is slightly smaller than the diameter of the first mounting hole 210, so that the connecting rod can be properly matched into the first mounting hole 210 for installation, and the connection is relatively stable.

In this embodiment, the first connecting member 310 and the mounting portion of the first pipe 110 can be screwed or snapped, and the connecting pipe 200 and the first connecting member 310 can be screwed or snapped.

Example 2

The present embodiment provides an assembly including the built-in sealed connection unit in Embodiment 1, further comprising: a second duct 120 and a second connecting member 320, wherein:

Referring to FIG. 7, the second pipe 120 and the second connecting member 320 in this embodiment are similar to the assembling manner in Embodiment 1. First, the second connecting member 320 is set on the mounting end of the second pipe 120, and then the connecting pipe is connected. The free end of the 200 is fitted to the second connector 320. In this embodiment, the connection of a plurality of pipes can be realized by a simple assembly method, and the connection mode is simple and easy.

The shape and structure of the second duct 120 are described in detail below:

Referring to FIG. 4, the circumferential surface of the second duct 120 extends outward in the radial direction of the second duct 120 to form a second baffle. 121, the second baffle 121 divides the second duct 120 into the extension section 101 and the mounting section 102;

A seal is disposed between the second connecting member 320 and the second baffle 121. The seal can for example be a sealing pad. The sealing rubber pad has certain elongation and elasticity, which is beneficial to the deformation of the sealing member after extrusion, thereby better functioning as a sealing.

The shape and structure of the second connecting member 320 are described in detail below:

The second connecting member 320 includes a connecting rod 301 and a connecting head 302. The connecting rod 301 is provided with a through hole along the central axis direction of the connecting rod 301. The middle portion of the connecting head 302 is provided with a through hole along the central axis direction of the connecting head 302, and the connecting rod is provided. The through hole of 301 is in communication with the through hole of the connector 302.

The through hole of the connecting rod 301 of the second connecting member 320 has the same size as the through hole of the connecting head 302 of the first connecting member 320, and the connecting head 302 of the second connecting member 320 has the connecting rod with respect to the second connecting member 320. The outer wall of the 301 has a flange structure that projects radially outward. Further, one end of the connecting rod 301 protrudes into the connecting pipe 200, and the end of the connecting head can well seal the end of the connecting pipe 200.

The following describes the shape and structure of the connecting pipe 200:

The second connecting hole 220 is disposed at an end of the connecting pipe 200 facing the second connecting member 320. Further, a second step extends inward from the inner wall of the connecting pipe 200 in the radial direction, and the second connecting member 320 extends into the second connecting member 320. The second mounting hole 220 and the end of the second connecting member 320 abut against the second step. The length of the second mounting hole 220 is greater than the length of the extending portion 101 of the second connecting member 320, and there is a gap between the end of the second connecting member 320 and the second step, and the gap is for accommodating the second pipe 120. The second baffle 121 and a seal between the second baffle 121 and the second connecting member 320. The second connecting member 320 extends into the second mounting hole 220 to press the sealing member, so that the second connecting member 320 is sealed with the second baffle 121, the second duct 120 extends into the second mounting hole 220, and the second baffle 121 Abut against the second step. In the above-described fitting structure, the peripheral wall of the second mounting hole 220 in the radial direction is filled with the sealing member in a state in which the sealing member is pressed, and a good sealing effect can be achieved.

In combination with Embodiment 1 and Embodiment 2, the wall thickness between the first step and the second step of the connecting duct 200 is greater than the corresponding wall thickness of the first mounting hole 210 and the second mounting hole 220 of the connecting duct 200, and is connected. The duct between the first step and the second step of the duct 200 is hollow, and forms a top-bottom structure with the first mounting hole 210 and the second mounting hole 220.

In this embodiment, the outer diameter of the connecting rod 301 of the second connecting member 320 is matched with the size of the second mounting hole 220 so that the second connecting member 320 has a gap matching with the second mounting hole 220. That is, the outer diameter of the connecting rod 301 is slightly smaller than the diameter of the second mounting hole 220, so that the connecting rod can be well matched into the second mounting hole 220 for installation, and the connection is relatively stable.

It should also be additionally noted that the central portion of the connecting duct 200 is provided with a plurality of grooves along the peripheral wall to facilitate gripping.

Example 3

This embodiment provides a piping system including the above-described built-in sealed connection assembly.

The piping system in this embodiment includes a plurality of connecting ducts 200, for example, including a plurality of first connecting pipes, a first connecting member 310, a second connecting member 320, a second connecting pipe, and an intermediate connecting pipe.

The adjacent first connecting pipe and the intermediate connecting pipe are connected by the first connecting member 310, and the other end of the intermediate connecting pipe is connected to the second connecting pipe through the second connecting member 320. Connect in sequence to form a continuous piping system.

The pipe connection method provided by this embodiment is simple and easy.

In summary, after the first pipe and the first connecting member are assembled, the connecting pipe is sleeved on the first connecting member and fixed to the first connecting member along the extending portion to the mounting portion. The connection is such that the relative position of the first connector to the connecting pipe is fixed.

Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, and are not intended to be limiting; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that The technical solutions described in the foregoing embodiments may be modified, or some or all of the technical features may be equivalently replaced; and the modifications or substitutions do not deviate from the technical solutions of the embodiments of the present invention. range.

Industrial applicability:

Therefore, the built-in sealed connection unit, its components and the pipeline system have a simple structure and a good connection effect, which is beneficial to reducing pipeline maintenance cost and service life, and can be well applied in construction engineering.

Claims

A built-in sealed connecting unit, comprising: a first pipe, a connecting pipe and a first connecting member;

The first duct has a first baffle extending along a radial direction of the first duct, and the first baffle partitions the first duct into a protruding section and a mounting section;

The first connecting member is fitted to the mounting portion of the first pipe in a direction of the mounting portion to the extending portion and is fixedly connected to the mounting portion; the first connecting member and the first blocking member a seal is arranged between the plates;

The connecting pipe is fitted to the first connecting member and fixedly connected to the first connecting member in a direction of the extending portion to the mounting portion.
The built-in sealed connection unit according to claim 1, wherein the first connecting member is screwed or snapped with a mounting portion of the first pipe, and the connecting pipe and the first connecting member are threaded. Connect or snap.
The built-in sealed connecting unit according to claim 1 or 2, wherein the first connecting member comprises a connecting rod and a connecting head, and the connecting rod of the first connecting member is oriented along a central axis of the connecting rod a through hole is provided, a middle portion of the connecting head of the first connecting member is provided with a through hole along a central axis direction of the connecting head, and a through hole of the connecting rod of the first connecting member and the first connecting member The through holes of the connector are connected.
The built-in sealed connection unit according to claim 3, wherein the connecting pipe is provided with a first mounting hole toward an end of the first connecting member, and the connecting rod extends into the first mounting hole The connecting head of the first connecting member is opposite to the end surface of the connecting pipe.
The built-in sealed connection unit according to claim 3 or 4, wherein the through hole of the connecting rod of the first connecting member has the same aperture size as the through hole of the connecting head of the first connecting member, The connector of the first connector has a flange structure that projects radially outward relative to the outer wall of the connecting rod of the first connector.
The built-in sealed connection unit according to claim 4 or 5, wherein an outer diameter of the connecting rod of the first connecting member matches an aperture size of the first mounting hole to make the first A connecting rod of the connecting member is matched with the gap of the first mounting hole.
The built-in sealed connection unit according to any one of claims 4-6, wherein an inner wall of the connecting duct extends inward in a radial direction to form a first step, and the first connecting member extends into the chamber The first mounting hole presses the sealing member to seal the first connecting member with the first baffle, the first pipe extends into the first mounting hole, and the first baffle Abutting the first step.
An assembly comprising the built-in sealed connection unit according to any one of claims 1 to 7, further comprising: a second duct and a second joint; the second connector is set in the a mounting end of the second conduit, the free end of the connecting conduit being fitted to the second connector.
The assembly according to claim 8, wherein the second connecting member comprises a connecting rod and a connecting head, and the connecting rod of the second connecting member is provided with a through hole along a central axis direction of the connecting rod, a middle portion of the connecting head of the second connecting member is provided with a through hole in a direction of a central axis of the connecting head, and a through hole of the connecting rod of the second connecting member is connected to a through hole of the connecting head of the second connecting member .
The assembly according to claim 9, wherein said connecting pipe is provided with a second mounting hole toward an end of said second connecting member, and a connecting rod of said second connecting member extends into said second mounting a hole, the connecting head of the second connecting member is opposite to an end surface of the connecting pipe away from the first connecting member.
The assembly according to claim 9 or 10, wherein the through hole of the connecting rod of the second connecting member has the same aperture size as the through hole of the connecting end of the second connecting member, the second connection The connector of the piece has a flange structure that projects radially outward relative to the outer wall of the connecting rod of the second connector.
The assembly according to claim 10 or 11, wherein the outer diameter of the connecting rod of the second connecting member matches the size of the aperture of the second mounting hole to allow the connection of the second connecting member The rod is matched to the second mounting hole gap.
The assembly according to any one of claims 8 to 12, wherein a second baffle is formed in a radial direction of the second duct, and the second baffle separates the second duct And a mounting portion; and a sealing member is disposed between the second connecting member and the second baffle.
The assembly according to claim 13, wherein an inner wall of said connecting duct extends inward in a radial direction to form a second step, said second connecting member extending into said second mounting hole to press said a seal sealing the second connecting member with the second baffle, the second conduit extending into the second mounting hole, and the second baffle abutting the second step.
The assembly according to claim 14, wherein a wall thickness of the duct between the first step and the second step of the connecting duct is larger than the first mounting hole of the connecting duct and the second mounting hole The wall thickness is thick, and the duct between the first step and the second step of the connecting duct is hollow, and the first mounting hole and the second mounting hole form a structure that penetrates up and down.
The assembly according to any one of claims 8 to 15, wherein a seal between the first connecting member and the first baffle and the second connecting member and the second baffle The seal between them is a gasket.
The assembly according to any one of claims 8-16, characterized in that the central portion of the connecting duct is provided with a plurality of grooves along the peripheral wall.
A piping system comprising the built-in sealed connection assembly of any of claims 8-17.