CN214789710U

CN214789710U - Plastic pipeline connector and pipeline connecting device

Info

Publication number: CN214789710U
Application number: CN202121148723.8U
Authority: CN
Inventors: 沈益友; 龚升根
Original assignee: Hubei Pengwei Pipe Industry Group Co ltd
Current assignee: Hubei Pengwei Pipe Industry Group Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-19
Anticipated expiration: 2031-05-26

Abstract

The utility model provides a plastic pipeline connector and a pipeline connecting device, wherein the pipeline connector comprises a connecting part, a thread part and a holding part, and the holding part is connected between the connecting part and the thread part; the pipeline connector in the embodiment of the application is characterized in that the connecting part, the threaded part and the holding part are arranged, the connecting part adopts a conical hollow appearance structure, the inner wall of the conical end with smaller appearance size can be tightly clamped and sleeved on the outer surface of the pipeline, the pipeline is fixedly connected, and the threaded part at the other end of the connecting part is fixedly connected to another pipeline; i.e. with respect to applying a tension force to the connection, whereby the pipe is effectively prevented from being detached from the end of the conical structure on the connection.

Description

Plastic pipeline connector and pipeline connecting device

Technical Field

The utility model relates to a pipe connection technical field, concretely relates to plastic conduit connector and pipe connection device.

Background

The plastic pipeline is an important branch of a plurality of components of chemical building materials, and the application fields of the plastic pipeline are water supply, water drainage, gas, floor heating, electric power communication, agriculture, fire fighting and other fields generally. From different classifications of using chemical materials, plastic pipes can be classified into Polyethylene (PE) pipes, polyvinyl chloride (PVC) pipes, polypropylene (PP) pipes, ABS pipes, Polybutylene (PB) pipes, and the like.

Plastic pipes are limited in length for ease of transportation during the manufacturing process. In the construction occasion, the pipelines need to be spliced to form a longer pipeline. The conventional plastic pipes are usually connected by heat welding or by using a pipe joint of a clamp type.

The pipe can be seamlessly connected with the pipe in a hot melting welding mode, but the pipeline is inconvenient to replace, the toughness quality of the plastic pipeline is affected after the plastic pipeline is cut and welded for many times, and the quick replacement of the pipe cannot be effectively realized in the pipeline link which needs to be replaced frequently; the clamp type pipeline structure does not affect the quality of the pipeline, but the two connected pipeline joints need to be aligned firstly, and the pipeline joints need to be screwed down through the clamp after being aligned, so that the pipeline structure has the defects of inconvenient operation and low efficiency.

Disclosure of Invention

To the defect that exists among the prior art, the utility model aims to provide a plastic conduit connector and pipe connection device, its simple structure of this pipe connection head, operating personnel can swiftly realize that the fastening between the pipeline links to each other through this connector conveniently.

In a first aspect, an embodiment of the present application provides a plastic pipe connector, where the pipe connector includes;

the connecting part is of a conical appearance structure and is used for axially clamping and mounting the pipeline in an inner cavity of the connecting part;

the thread part is provided with a hollow cylindrical pipeline outline structure, and the surface of the thread part is provided with a connecting thread;

and the holding part is connected between the connecting part and the threaded part and is provided with a hollow cylindrical pipeline outline structure.

Further, the inner wall of the connecting part is also provided with a sealing ring mounting groove.

Furthermore, a plurality of first bulges which are convenient to hold are arranged on the surface of the holding part at intervals along the circumferential direction.

In a second aspect, the embodiment of the present application provides a pipe connection device, pipe connection device includes a pair of as above the pipe connection head, pipe connection device still includes connecting sleeve, connecting sleeve includes first female connection portion, second female connection portion and middle portion of holding, middle portion of holding set up in between first female connection portion and the second female connection portion, wherein the screw thread of first female connection portion and second female connection portion revolves to the opposite direction.

Further, the intermediate holding part comprises a hollow pipe connecting body and a plurality of second protrusions which are arranged on the surface of the pipe connecting body and are convenient to hold, and the second protrusions are arranged at intervals along the circumferential direction of the surface of the pipe connecting body.

Further, the external dimension of the pipeline connecting body is smaller than the external dimensions of the first internal thread connecting part and the second internal thread connecting part.

The utility model has the advantages that:

1. the pipeline connector in the embodiment of the application is characterized in that the connecting part, the threaded part and the holding part are arranged, the connecting part adopts a conical hollow appearance structure, the inner wall of the conical end with smaller appearance size can be tightly clamped and sleeved on the outer surface of the pipeline to realize the fixed connection with the pipeline, and the threaded part at the other end of the connecting part is fixedly connected to another pipeline (through a subsequent connecting sleeve); i.e. with respect to applying a tension force to the connection portion, thereby effectively preventing the pipe from being detached from the end of the conical structure on the connection portion;

2. through be provided with the first female connection portion and the second female connection portion that the screw thread revolves to opposite on pipe connection device, realize carrying out the screw thread to a pair of pipe connection head of connecting tube when can be convenient and screw up the operation, efficiency obtains improving.

Drawings

Fig. 1 is a schematic perspective view of a pipe joint according to an embodiment of the present application.

Fig. 2 is a schematic perspective view of a pipe joint in another angular state in the embodiment of the present application.

Fig. 3 is a schematic perspective view of a pipe connection device according to an embodiment of the present application.

Fig. 4 is a schematic structural view of a pipe to which the pipe connecting device is attached in the embodiment of the present application.

Fig. 5 is an exploded view of the pipe installation assembly with the pipe connecting device installed according to the embodiment of the present application.

Fig. 6 is a front view schematically illustrating a structure of a pipe with a pipe connecting device installed therein according to an embodiment of the present invention.

Fig. 7 is a schematic view of the cross-sectional structure along the line a-a in fig. 6.

In the figure:

100-plastic pipe connector, 101-connection part, 102-threaded part, 103-holding part, 104-first protrusion, 105-seal ring mounting groove, 200-connection sleeve, 201-first internal threaded connection part, 202-intermediate holding part, 203-second protrusion, 204-second internal threaded connection part, 300-pipe, 400-seal ring.

Detailed Description

The present invention will be described in further detail with reference to the drawings and the following detailed description.

Referring to fig. 1 to 2, fig. 1 is a schematic perspective view of a pipe joint according to an embodiment of the present disclosure; fig. 2 is a schematic perspective view of a pipe joint at another angle in the embodiment of the present application. The pipe joint 100 in the embodiment of the present application includes a connecting portion 101, a threaded portion 102, and a holding portion 103, and the holding portion 103 is engaged between the connecting portion 101 and the threaded portion 102. The connecting part 101 is a conical shape structure, and is tightly clamped and sleeved on the outer surface of the pipeline by utilizing the inner wall of the conical end with smaller shape size, so that the connecting part is fixedly connected with the pipeline. The threaded portion 102 has a hollow cylindrical pipe profile structure while its surface is provided with a connecting thread. The grip portion 103 has a hollow cylindrical tube-shaped configuration, and functions to facilitate gripping by an operator.

The pipeline connector in the embodiment of the application is tightly sleeved on the outer surface of a pipeline by utilizing the inner wall of the conical end with smaller external dimension of the connecting part 101 to realize the fixed connection with the pipeline, and meanwhile, the thread part 102 at the other end of the connecting part 101 is fixedly connected to another pipeline (through the subsequent connecting sleeve 200); i.e. with respect to applying a tension to the connection 101, and thus effectively preventing the pipe from being detached from the end of the conical structure on the connection 101.

There are various structures for preventing slipping on the grip 103, for example, a pattern for preventing slipping is formed on the outer surface of the grip 103; for example, a plurality of first protrusions 104 for facilitating gripping may be provided on the surface of the grip portion 103 at intervals in the circumferential direction.

In order to ensure the sealing property between the pipe and the connection part 101, the present embodiment is provided with a packing installation groove 105 for installing a packing on an inner wall of the connection part 101.

Referring to fig. 1 to 4, fig. 3 is a schematic perspective view of a pipe connecting device according to an embodiment of the present invention; fig. 4 is a schematic structural view of a pipe to which the pipe connecting device is attached in the embodiment of the present application. The present embodiment further provides a pipe connection device, which includes a pair of pipe joints 100 as described above, the pipe connection device further includes a connection sleeve 200, the connection sleeve 200 includes a first internal thread connection portion 201, a second internal thread connection portion 204, and an intermediate holding portion 202, the intermediate holding portion 202 is disposed between the first internal thread connection portion 201 and the second internal thread connection portion 204, wherein the thread turning directions of the first internal thread connection portion 201 and the second internal thread connection portion 204 are opposite. Also, in order to facilitate the operator's grip, a plurality of second protrusions 203 are provided on the outer surface of the intermediate grip portion 202 in a circumferential direction, which are uniformly arranged.

Through be provided with the first female connection portion 201 and the second female connection portion 204 that the screw thread revolves to opposite on pipe connection device, can be convenient when realize carrying out the screw thread tightening operation to a pair of pipe connection head of connecting tube, efficiency obtains improving.

To better explain the application of the plastic pipe joint in the present embodiment to the installation of the pipe, reference is made to fig. 5 to 7, fig. 5 is an exploded view of the pipe installation assembly with the pipe connection device in the present embodiment, fig. 6 is a front view of the pipe with the pipe connection device in the present embodiment, and fig. 7 is a sectional view taken along the direction a-a in fig. 6.

A pair of pipes 300 are connected, and the pipe joint 100 is installed at one end to which each pipe 300 is connected, and a packing 400 is installed in the packing installation groove 105 of the pipe joint 100. When a pair of pipes 300 having pipe joints 100 of the present embodiment are coupled, an operator correspondingly attaches the first female coupling portion 201 and the second female coupling portion 204 of the coupling sleeve 200 to the outer surfaces of the screw portions 102 of the pair of pipe joints 100, and rotates the intermediate holding portion 202, so that the coupling sleeve 200 can be coupled to the pair of pipe joints 100 at the same time because the first female coupling portion 201 and the second female coupling portion 204 have opposite screw directions.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalent technologies, the present invention is also intended to include such modifications and variations.

Claims

1. A plastic pipe connector is characterized in that the pipe connector comprises a pipe body;

2. A plastic pipe joint according to claim 1, wherein the inner wall of the connecting portion is further provided with a packing installation groove.

3. A plastic pipe joint according to claim 1 or 2, wherein the surface of the gripping portion is provided with a plurality of first protrusions at intervals in the circumferential direction for facilitating gripping.

4. A pipe connection device, comprising a pair of plastic pipe connectors as claimed in any one of claims 1 to 3, wherein the pipe connection device further comprises a connection sleeve, the connection sleeve comprises a first internal thread connection portion, a second internal thread connection portion and a middle holding portion, the middle holding portion is arranged between the first internal thread connection portion and the second internal thread connection portion, and the thread turning directions of the first internal thread connection portion and the second internal thread connection portion are opposite.

5. The pipe coupling device according to claim 4, wherein the intermediate grip portion includes a hollow pipe coupling body and a plurality of second protrusions provided on a surface of the pipe coupling body for facilitating gripping, the plurality of second protrusions being arranged at intervals in a circumferential direction of the surface of the pipe coupling body.

6. The pipe coupling according to claim 5, wherein the pipe coupling body has an outer dimension smaller than that of the first and second female threaded portions.