CN211821138U

CN211821138U - Pipe joint assembly

Info

Publication number: CN211821138U
Application number: CN201922339009.6U
Authority: CN
Inventors: 隋鹏超; 于超; 刘俊杰; 孙艳伟
Original assignee: Weichai Power Co Ltd
Current assignee: Weichai Power Co Ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-10-30
Anticipated expiration: 2029-12-20

Abstract

The utility model belongs to the technical field of coupling mechanism, specifically provide a coupling subassembly, the coupling subassembly includes: the inner tube is located with the cover the connecting pipe of inner tube, the connecting pipe divide into first linkage segment and second linkage segment along axial direction, first linkage segment is used for connecting first pipeline, the second linkage segment is used for connecting the second pipeline, the connecting pipe with inner tube fixed connection, the inner tube is used for connecting the output of wind trigger. The utility model provides a pipe joint subassembly passes through the inner tube and the connecting pipe that the inner tube was located to the cover, connects water route or gas circuit pipeline through the both ends of connecting pipe, and inner tube and connecting pipe fixed connection through the wind trigger tight inner tube, drive connecting pipe and water route or gas circuit pipeline fastening connection.

Description

Pipe joint assembly

Technical Field

The utility model belongs to the technical field of connection structure, concretely relates to coupling subassembly.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

The existing pipe joint on the water path or the gas path is formed by machining hexagonal steel materials, the machining amount is large, a cutter is consumed in machining time, the machining cost is high, meanwhile, when the pipe joint is assembled, a wrench is used for screwing the hexagonal head, enough operation space is needed, enough assembly space needs to be reserved, the actual design space is limited, and the assembly difficulty is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the piston combustion performance of the gas engine is weaker in the prior art at least, and the purpose is realized through the following technical scheme:

the utility model provides a coupling subassembly, coupling subassembly includes:

the connecting pipe is divided into a first connecting section and a second connecting section along the axial direction, the first connecting section is used for connecting a first pipeline, and the second connecting section is used for connecting a second pipeline;

the inner tube, the connecting pipe cover is located outside the inner tube and with inner tube fixed connection, the internal face of inner tube is used for connecting the output of trigger.

The utility model provides a pipe joint subassembly passes through the inner tube and the connecting pipe that the inner tube was located to the cover, connects water route or gas circuit pipeline through the both ends of connecting pipe, and inner tube and connecting pipe fixed connection through the wind trigger tight inner tube, drive connecting pipe and water route or gas circuit pipeline fastening connection.

In addition, according to the utility model discloses a pipe joint subassembly still can have following additional technical characterstic:

in some embodiments of the present invention, the first connection section of the connection pipe is provided with an external thread along an axial direction of the connection pipe.

In some embodiments of the present invention, the external thread is a fine thread.

In some embodiments of the present invention, the second connection section of the connection pipe is provided with an annular protrusion along a circumferential direction of the connection pipe.

In some embodiments of the present invention, the cross-section of the annular protrusion along the axial direction of the connecting pipe is arc-shaped.

In some embodiments of the present invention, the outer wall surface of the inner tube is in interference connection with the inner wall surface of the connecting tube.

In some embodiments of the present invention, the pipe orifice end surface of the inner pipe and the pipe orifice end surface of the connecting pipe are located on the same plane.

In some embodiments of the present invention, the inner tube is disposed between the first connection section and the second connection section of the connection tube, and the inner tube and the first connection section and the second connection section are integrally formed.

In some embodiments of the present invention, the first end of the inner tube is used for connecting the output end of the pneumatic wrench, and the first end of the inner tube is a regular polygon pipe orifice.

In some embodiments of the present invention, the first end of the inner tube is a hexagonal orifice.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 schematically illustrates a structural view of a pipe joint assembly according to an embodiment of the present invention;

FIG. 2 schematically illustrates a cross-sectional view of a pipe joint assembly according to an embodiment of the present invention;

figure 3 schematically illustrates a side view of an inner tube of a pipe joint assembly according to an embodiment of the present invention;

fig. 4 schematically illustrates a front view of an inner tube of a pipe joint assembly of an embodiment of the present invention;

fig. 5 is a schematic view illustrating the construction of a coupling assembly according to another embodiment of the present invention;

FIG. 6 schematically illustrates a cross-sectional view of a pipe joint assembly according to another embodiment of the present invention;

the reference symbols in the drawings denote the following:

10: a pipe joint assembly;

20: connecting pipe, 21: first connection section, 22: second connection section, 221: an annular projection;

30: inner tube, 31: a first end of the inner tube;

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "second" and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, an element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 to 6, the present invention provides a pipe joint assembly 10, wherein the pipe joint assembly 10 includes:

the connecting pipe 20 is divided into a first connecting section 21 and a second connecting section 22 along the axial direction, the first connecting section 21 is used for connecting a first pipeline, the second connecting section 22 is used for connecting a second pipeline, and the first connecting section 21 or the second connecting section 22 is provided with a device for connecting a water path or a gas path pipeline, such as a thread or a pipe drum;

the inner tube 30, the connecting pipe 20 is located outside the inner tube 30 and with inner tube 30 fixed connection in the cover, the internal wall face of inner tube 30 is used for connecting the output end of wind trigger, inner tube 30 can be connected with connecting pipe 20 interference or welded with the fixed position, inner tube 30 is equipped with the telescopic multiangular mouth of pipe that is used for connecting the wind trigger, insert the sleeve in inner tube 30 and can realize that wind trigger drive inner tube 30 rotates.

The utility model provides a pipe joint subassembly 10 locates the connecting pipe 20 of inner tube 30 through inner tube 30 and cover, during the use, through connecting water route or gas circuit pipeline with the both ends of connecting pipe 20, with pneumatic wrench connecting sleeve, during the sleeve stretches to accomplish connecting pipe 20 screw in water route or gas circuit pipeline in the mouth of pipe of inner tube 30, avoids using the spanner in the connection.

In some embodiments of the present invention, the first connection section 21 of the connection pipe 20 is provided with an external thread along the axial direction of the connection pipe 20. The external thread is arranged to connect the connecting pipe 20 with the water path or the air path pipeline

In some embodiments of the present invention, the external thread is a fine thread. When the pipe 20 needs to be processed into a pipe drum, the pipe wall is thin, the fine threads are used for better adaptability, and meanwhile, the tightness of the fine threads is better.

In some embodiments of the present invention, the second connection section 22 of the connection pipe 20 is provided with an annular protrusion 221 along the circumferential direction of the connection pipe 20. By providing an annular protrusion 221 for connection to the hose.

In some embodiments of the present invention, the cross section of the annular protrusion 221 taken along the axial direction of the connection pipe 20 is arc-shaped. The arc-shaped bulge is arranged to facilitate the connection of hoses such as some water pipes.

In some embodiments of the present invention, the outer wall surface of the inner tube 30 is in interference fit with the inner wall surface of the connecting tube 20. The inner tube 30 and the connection pipe 20 are fixedly connected by interference-connecting the outer wall surface of the inner tube 30 and the inner wall surface of the connection pipe 20.

In some embodiments of the present invention, the end surface of the inner tube 30 is coplanar with the end surface of the connecting tube 20. Aligning the inner tube 30 with one end of the connecting tube 20 facilitates the insertion of the output end of the wind trigger.

In some embodiments of the present invention, as shown in fig. 5 and 6, the inner tube 30 is disposed between the first connection section 21 and the second connection section 22 of the connection tube 20, and the inner tube 30 is integrally formed with the first connection section 21 and the second connection section 22. Through integrated into one piece's tubular product, both ends are used for connecting water route or gas circuit pipeline, and the hexagonal pipe section is processed out through the throat in middle section, and when using, in inserting the hexagonal pipe section with the sleeve of trigger, utilize the trigger drive of wind to make linkage segment screw in water route or gas circuit pipeline.

In some embodiments of the present invention, the first end 31 of the inner tube 30 is used for connecting the output end of the pneumatic wrench, and the first end 31 of the inner tube 30 is a regular polygon nozzle. The first end 31 of the inner tube 30 is necked down by a staking process to form a polygonal orifice for facilitating connection of the inner tube 30 to the output end of the pneumatic trigger.

In some embodiments of the present invention, the first end 31 of the inner tube 30 is a hexagonal orifice. The hexagonal pipe orifice is convenient to process and has better adaptability.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A pipe joint assembly, comprising:

2. The pipe joint assembly according to claim 1, wherein the first connection section of the connection pipe is externally threaded in an axial direction of the connection pipe.

3. The pipe coupling assembly of claim 2, wherein said external threads are fine pitch threads.

4. The pipe joint assembly according to claim 1, wherein the second coupling section of the coupling pipe is provided with an annular protrusion in a circumferential direction of the coupling pipe.

5. The pipe joint assembly according to claim 4, wherein the annular protrusion has an arc-shaped cross-section taken along an axial direction of the coupling pipe.

6. The pipe joint assembly according to claim 1, wherein an outer wall surface of the inner pipe is interference-connected with an inner wall surface of the connection pipe.

7. The pipe joint assembly according to claim 6, wherein the nozzle end surface of the inner pipe and the nozzle end surface of the connection pipe are in the same plane.

8. The pipe joint assembly according to claim 1, wherein the inner pipe is provided between the first connection section and the second connection section of the connection pipe, and the inner pipe is integrally formed with the first connection section and the second connection section.

9. A pipe-joint assembly according to any of claims 1 to 8, wherein the first end of the inner pipe is for connection to an output end of a wind trigger, the first end of the inner pipe being a regular polygonal nozzle.

10. The pipe coupling assembly according to claim 9, wherein said first end of said inner pipe is a hex nozzle.