CN214947222U

CN214947222U - Pipeline connecting structure

Info

Publication number: CN214947222U
Application number: CN202121495101.2U
Authority: CN
Inventors: 屠超旻; 陈先锋
Original assignee: Zhuji Yiluda Technology Co ltd
Current assignee: Zhuji Yiluda Technology Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-11-30
Anticipated expiration: 2031-07-01

Abstract

The utility model relates to a pipe connection technical field, concretely relates to pipeline connection structure. The pipe joint comprises a pipe joint part, wherein a pipe joint is arranged on the pipe joint part, a retaining part is arranged outside the pipe joint part, a sealing part is arranged in the pipe joint part, the sealing part extends to the outer side of the end part of the pipe joint part, and the periphery of the sealing part positioned on the outer side of the end part of the pipe joint part is abutted against the retaining part; a matching cavity is formed between the end part of the sealing element and the end part of the backstop element; and the end part of the backstop piece and the sealing piece are provided with channels for placing pipelines. When will the utility model is used for when the bellows is connected, through addding inner chamber shape and bellows shape assorted adaptation sealing member to fill the clearance in cooperation chamber, gain better sealed effect. Aiming at the technical problems of inconvenient installation of a round pipe or a corrugated pipe and poor sealing effect, the sealing device can utilize the structure of the sealing device to realize convenient installation and good sealing effect of the pipe and the pipe joint.

Description

Pipeline connecting structure

Technical Field

The utility model relates to a pipe connection technical field, concretely relates to pipeline connection structure.

Background

In actual production activities, the connection between pipelines has various modes, wherein the most widely used modes comprise welding type, screw connection type, clamping and pressing type and the like, but all have certain problems.

For example, the welding type is to insert a pipe into a socket of a pipe joint and then weld the joint, and this method requires a certain welding process and requires high requirements on workers and equipment, and the high temperature generated during welding can change the material properties of the heating part, thereby affecting the strength of the joint, and the welding is inconvenient to cut during maintenance.

The spiro union formula is mostly the tooth is attacked to the interface of pipeline, is being suitable for corresponding threaded connection pipe and connects the pipeline, and it often appears the screw thread and damages, connects not well, and is sealed not good, need attack the tooth again with original tapping pipe coupling cutting during the maintenance, wastes time and energy.

The pipe joint is provided with a circle of convex ribs, a sealing gasket is arranged in a groove on the inner side of each convex rib, and after a pipeline is inserted into a socket of the joint, a special tool is adopted to extrude the socket so as to deform the socket and engage the socket on the pipeline; meanwhile, the convex ribs also deform along with the deformation, and the gasket is tightly matched with the outer wall of the pipeline under the stress, so that the purposes of fastening and sealing are achieved, but the tool is high in cost and complex in operation, and operators need to be trained before use, so that the tool is inconvenient to install quickly and efficiently.

In addition, among the partial pipeline connection structure, realize fixedly through the nut between pipeline and the coupling, nevertheless the nut carries out threaded connection with the coupling inboard, and the nut exposes pipeline part less, and the installation of being not convenient for is fixed, and in case the screw thread skids, must break simultaneously coupling and nut, has caused inconvenience to the practicality equally.

In a word, the pipeline connection methods all have the defects of high installation requirements, inconvenience in installation and poor connection effect, so that a pipe joint assembly with convenience in installation and good connection effect is needed at present.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

To the inconvenient and not good technical problem of sealed efficiency of pipe or bellows installation, the utility model provides a pipeline connection structure, it can utilize self structure, with the nut connection and the coupling outside, realizes the easy to assemble of pipeline and coupling.

2. Technical scheme

In order to solve the above problem, the utility model provides a technical scheme does:

a pipeline connecting structure comprises a pipe connector, wherein a pipe joint is arranged on the pipe connector, a retaining piece is arranged outside the pipe joint, a sealing piece is arranged in the pipe joint, the sealing piece extends to the outer side of the end part of the pipe joint, and the periphery of the sealing piece positioned on the outer side of the end part of the pipe joint is abutted against the retaining piece; a matching cavity is formed between the end part of the sealing element and the end part of the backstop element; and the end part of the backstop piece and the sealing piece are provided with channels for placing pipelines.

Optionally, a shoulder is provided on the seal.

Optionally, the retaining shoulder and the retaining member are in interference fit.

Optionally, the pipe joint is in threaded fit with the backstop member.

Optionally, the pipe joint and the seal are in an interference fit.

Optionally, the end of the inner side of the sealing element is provided with a limiting part.

Optionally, the sealing element is made of a silica gel material.

Optionally, the pipe connector is made of corrosion-resistant metal.

Optionally, the adapter further comprises an adapter seal disposed in the mating cavity, the adapter seal contacting against the seal.

Optionally, an adapting portion is arranged in the adapting sealing member, a receiving portion is further arranged on the adapting sealing member, one side of the receiving portion abuts against the end portion of the retaining member, and the other side of the receiving portion abuts against and contacts with the end portion of the sealing member.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

the utility model provides a pipeline connection structure, it can utilize self structure, with the nut connection and the coupling outside, under the prerequisite of guaranteeing the leakproofness, realizes the easy to assemble of pipeline and coupling.

Drawings

Fig. 1 is a schematic structural diagram of a pipe connection structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a sealing member according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a bellows connection structure according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an adaptive sealing element according to an embodiment of the present invention.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The utility model discloses in words such as first, second, be for the description the utility model discloses a technical scheme is convenient and set up, and does not have specific limiting action, is general finger, right the technical scheme of the utility model does not constitute limiting action. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solutions in the same embodiment and between the technical solutions in different embodiments can be arranged and combined to form a new technical solution without contradiction or conflict, which is all within the scope of the present invention.

Example 1

With reference to fig. 1-4, the present embodiment provides a pipe connecting structure, which includes a pipe connecting member 100, a pipe joint 101 is disposed on the pipe connecting member 100, a retaining member 102 is disposed outside the pipe joint 101, a sealing member 200 is disposed inside the pipe joint 101, the sealing member 200 extends to the outside of the end portion of the pipe joint 101, and the outer periphery of the sealing member 200 located outside the end portion of the pipe joint 101 abuts against the retaining member 102; a matching cavity 103 is formed between the end part of the sealing element 200 and the end part of the backstop 102; the ends of the retaining member 102 and the sealing member 200 are provided with channels for placing pipes.

The pipeline connecting structure of this embodiment is used for the connection of pipeline, for example when carrying out the connection of pipeline, at first link to each other pipeline tip and sealing member 200, and stretch into in the coupling 101 along with sealing member 200, in this embodiment, the sealing member can select the silica gel sealed pad that matches with the pipe diameter for use, utilize stopping member 102 to be fixed in coupling 101 department with the pipeline afterwards, in order to realize good sealed effect, stopping member 102 can select the nut, through the screw-thread fit of nut in coupling 101, can prevent the not hard up of stopping member 102, simultaneously, the bulge processed on the pipeline can just be blocked in the cooperation chamber 103, and the bulge has the extrusion that receives stopping member 102, and then exert pressure to sealing member 200, further impel sealing member 200 to extend the deformation, in order to realize better sealed effect.

It is conceivable that in this embodiment, the number of the pipe joints 101 is not limited, and may be one or more, the number of the pipe joints 101 may be set according to actual requirements, and the included angle between the pipe joints 101 may be changed according to actual requirements to meet the connection requirements of the pipes.

Therefore, the pipeline connecting structure of the embodiment is simple in structure, very convenient to install, free of further processing of the pipeline, and capable of enabling the sealing element 200 to deform further by means of the internal structure, so that a better sealing effect is achieved during pipeline connection.

As an alternative embodiment of this embodiment, the sealing member 200 is provided with a stop shoulder 201. The retaining member 102 presses the pipe, and the pressing force is transmitted to the sealing member 200, so that the sealing member 200 is deformed to obtain a better sealing effect. Therefore, for making the transmission of extrusion force more abundant direct, need set up on sealing member 200 and keep off shoulder 201, on the extrusion force transmits to keeping off shoulder 201, keep off shoulder 201 at first takes place deformation to the clearance between closed coupling 101 and the pipeline, the fender shoulder 201 of this embodiment can take place deformation simultaneously in axial and radial, in order to further realize the sealed of circumferential space between cooperation chamber 103 and coupling 101, has realized the good sealed effect of pipe connection structure.

As an alternative embodiment of this embodiment, the retaining shoulder 201 is in interference fit with the retaining member 102. The outer diameter of the retaining shoulder 201 is slightly larger than the inner diameter of the retaining member 102, so as to satisfy the interference fit therebetween, and the arrangement of the interference fit can improve the sealing effect of the sealing member 200 and make the connection of the pipeline more firm.

As an alternative embodiment of this embodiment, the pipe joint 101 and the retaining member 102 are in threaded engagement. In order to realize a good sealing effect, the retaining piece 102 can be selected from a nut, the nut is matched with the thread of the pipe joint 101, the retaining piece 102 can be prevented from loosening, meanwhile, the deformation of the retaining piece 102 can be controlled by rotating the nut, and when the sealing effect is poor, the nut can be continuously screwed through the rotating nut, so that the deformation of the retaining piece 102 is larger, and a better sealing effect is obtained.

As an alternative embodiment of this embodiment, the pipe joint 101 and the sealing member 200 are in an interference fit. The outer diameter of the sealing element 200 is slightly larger than the inner diameter of the pipe joint 101, so that a good sealing effect between the pipe joint 101 and the sealing element 200 is achieved, and the pipe connection structure and the pipe can be connected more firmly in an interference fit mode, so that loosening is avoided.

Example 2

The present embodiment proposes a pipe connection structure, which can be improved based on embodiment 1 as follows: the end of the sealing member 200 inside is provided with a position limiting part 202. When the connection of pipes is performed using the pipe connection structure, it is necessary to connect the pipe end with the sealing member 200 and to protrude into the coupling 101 along with the sealing member 200. In order to facilitate the operation, a limiting portion 202 needs to be disposed at an end portion of the sealing element 200, which is located at an inner side end portion of the sealing element and in contact with the pipe, and the end portion of the pipe is in contact with the limiting portion 202 in an abutting manner.

As an optional implementation manner of this embodiment, the sealing element 200 is made of a silicone material. Silica gel has better water proofness, and safe nontoxic, can adapt to the use scene in the pipeline, and silica gel has certain flexibility simultaneously, can take place certain deformation, can be adapted to pipeline connection structure's sealed requirement, consequently, as an optimization, the sealing member 200 can choose for use the silica gel material.

As an alternative embodiment of this embodiment, the pipe connector 100 is made of corrosion-resistant metal. The pipe connector 100 of this embodiment can be made of corrosion-resistant metal materials such as stainless steel and copper, and stainless steel or copper have good water resistance, are stable in properties, do not react with water, and do not rust, and the service life of the pipe connection structure can be guaranteed by selecting the corrosion-resistant metal materials, and the pipe connector is suitable for the scene of water pipe connection.

As an optional implementation manner of this embodiment, the present invention further includes an adaptive sealing member 300, where the adaptive sealing member 300 is disposed in the matching cavity 103, and the adaptive sealing member 300 is in contact with the sealing member 200. When being used for connecting the bellows with the pipe connection structure of this embodiment, because the bellows has specific shape, consequently to bellows connection structure's sealed requirement, need add adaptation sealing member 300, the inner chamber shape and the bellows shape phase-match of adaptation sealing member 300, adaptation sealing member 300 sets up in cooperation chamber 103, and closely offsets with sealing member 200, and adaptation sealing member 300 can fill the clearance in cooperation chamber 103 on the one hand, and on the other hand, also can play the effect of replacing the pipe bulge, transmits the extrusion force of backstop 102, extrudees sealing member 200 and deforms to gain better sealed effect.

As an optional embodiment of this embodiment, an adapter portion 302 is disposed in the adapter seal 300, and a receiving portion 301 is further disposed on the adapter seal 300, one side of the receiving portion 301 abuts against an end of the retaining member 102, and the other side of the receiving portion 301 abuts against and contacts an end of the seal 200. The fitting seal 300 of the present embodiment, on one hand, needs to fill the gap of the fitting cavity 103, so that the fitting portion 302 needs to be provided, and the shape of the fitting portion 302 matches the shape of the corrugated pipe, that is, the fitting portion 302 is provided with a corresponding corrugated shape; on the other hand, the adaptor seal 300 also needs to replace the effect of the convex part when the circular pipe is connected through the receiving part 301, so the receiving part 301 needs to be arranged, and the receiving part 301 is arranged between the retaining member 102 and the seal member 200 in a fit manner, so that the extrusion force of the retaining member 102 is transmitted, and the seal member 200 is extruded and deformed, so that a better sealing effect is obtained.

When the pipeline connecting structure of the embodiment is assembled with a pipeline, welding is not needed, tapping on the pipeline is also not needed, and the pipe connector 100, the retaining member 102, the sealing member 200, the adaptive sealing member 300 and the like are made of materials with strong rust resistance and corrosion resistance. The pipeline connecting structure of the embodiment can adjust the size or the shape according to the actual pipeline connecting requirement, can be suitable for different pipeline connecting conditions such as equal-diameter straight-through, reducing straight-through, equal-diameter tee, reducing tee, 90-degree elbow, 45-degree elbow, reducing elbow, equal-diameter elbow, branched joint and four-way joint, and has wide application range.

The present invention and its embodiments have been described above schematically, and the description is not intended to be limiting, and the drawings show only two embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. A pipeline connecting structure is characterized by comprising a pipe connector, wherein the pipe connector is provided with a pipe joint, a retaining piece is arranged outside the pipe joint, a sealing piece is arranged in the pipe joint, the sealing piece extends to the outer side of the end part of the pipe joint, and the periphery of the sealing piece positioned outside the end part of the pipe joint is abutted against the retaining piece; a matching cavity is formed between the end part of the sealing element and the end part of the backstop element; and the end part of the backstop piece and the sealing piece are provided with channels for placing pipelines.

2. A pipe connecting structure according to claim 1, wherein a shoulder is provided on said sealing member.

3. A pipe connection according to claim 2, wherein the stop shoulder is an interference fit with the backstop.

4. A pipe connection according to claim 1, wherein the pipe joint is screw-engaged with the retaining member.

5. A pipe connection according to claim 1, wherein the pipe joint and the seal are in an interference fit.

6. A pipe connecting structure according to claim 1, wherein said sealing member is provided at an inner end thereof with a stopper.

7. The pipe connection structure according to claim 1, wherein the sealing member is made of a silicone material.

8. A pipe connecting structure according to claim 1, wherein said pipe connecting member is made of a corrosion-resistant metal.

9. A pipe connection according to any one of claims 1 to 8, further comprising an adapter seal disposed within said mating cavity, said adapter seal being in abutting contact with said seal.

10. The pipe connection structure according to claim 9, wherein an adapter portion is provided in the adapter sealing member, and a receiving portion is further provided on the adapter sealing member, one side of the receiving portion abuts against an end of the retaining member, and the other side of the receiving portion abuts against and contacts an end of the sealing member.