CN211649432U

CN211649432U - Pipe joint

Info

Publication number: CN211649432U
Application number: CN201922376348.1U
Authority: CN
Inventors: 韩明芳; 关春智; 翟桂松; 裘禄; 乔林林
Original assignee: Special Vehicle Technology Center of Hubei Aerospace Technology Research Institute
Current assignee: Special Vehicle Technology Center of Hubei Aerospace Technology Research Institute
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-10-09
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a pipe joint, including connecting pipe and nut, the surface of connecting pipe is equipped with the external screw thread, the internal surface of nut is equipped with the internal thread, the nut spiro union is on the connecting pipe, still include the coupling body, the coupling body is the stage body, the bottom of coupling body and the one end fixed connection of connecting pipe, the middle part and the connecting pipe of coupling body are linked together, when the connecting pipe passes wall holes such as bounding wall on the cockpit and installs, the bottom of coupling body and a terminal surface butt of bounding wall, the nut then with another terminal surface butt of bounding wall, tighten the nut, then can fix the coupling body on the bounding wall, and the bottom of coupling body has increased area of contact, reduce the pressure that the impact force caused, and the nut can dismantle the change fast, and possesses fine practicality.

Description

Pipe joint

Technical Field

The utility model relates to a vehicle engineering technical field, in particular to coupling.

Background

Pipe joints in automobile cabs are used primarily to provide wall-through passages and fixed locations for fluids (e.g., glass washer fluid, etc.) stored within the cab, ensuring that the fluids can be smoothly transported from one side of the panel to the other. At present, most of pipe joints of cabs of off-road vehicles, special vehicles, commercial vehicles and the like are made of rubber and plastic materials and are formed by injection molding. The pipe joint cannot bear severe environments such as large impact, strong vibration and the like, so the application range is limited in special use environments such as large impact, strong vibration and the like.

In the shelter or the driver's cabin in big impact, strong vibration service environment, the influence of impact vibration should be fully considered such as the position of arranging, structural style and the material of coupling, generally, uses the coupling of metal material can satisfy resistant impact requirement, but the coupling overall dimension of metal material is great, needs great installation space, and it is inconvenient to maintain the dismouting, not only influences other equipment and arranges, in case take place to damage, is difficult to change.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide one kind and can enough satisfy the shock-resistant requirement, can dismantle the coupling fast again.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an embodiment of the utility model provides a pipe joint, including connecting pipe and nut, the surface of connecting pipe is equipped with the external screw thread, and the internal surface of nut is equipped with the internal thread, and the nut spiro union still includes the coupling body on the connecting pipe, and the coupling body is the stage body, the bottom of coupling body and the one end fixed connection of connecting pipe, and the middle part and the connecting pipe of coupling body are linked together.

Optionally, the pipe joint body is a truncated cone.

Optionally, the pipe joint further comprises a sealing gasket, the sealing gasket is sleeved on the connecting pipe, and the sealing gasket is connected and arranged at the bottom of the pipe joint body.

Optionally, the pipe joint further comprises a flat washer, the flat washer is sleeved on the connecting pipe, and the flat washer is connected and arranged on the end face, facing the pipe joint body, of the nut.

Optionally, the pipe joint body and the connecting pipe are welded and fixed.

Optionally, the inner surface of the pipe joint body is provided with internal threads, and the pipe joint body is screwed on the connecting pipe.

Optionally, the pipe joint further comprises an adapter, the adapter is fixedly connected with the top of the pipe joint body, and the adapter is communicated with the middle of the pipe joint body.

Optionally, the adapter is a straight joint, an elbow joint, or a T-joint.

Optionally, the connecting pipe, the nut and the pipe joint body are made of metal materials.

The utility model provides a pipe joint, because the middle part of coupling body is linked together with the connecting pipe, form the circulation of fluid passageway, and the coupling body is the stage body, the bottom of coupling body and the one end fixed connection of connecting pipe, when the connecting pipe passes the wall hole such as the bounding wall on the cockpit and installs, the bottom of coupling body and a terminal surface butt of bounding wall, the surface of connecting pipe is equipped with the external screw thread, the internal surface of nut is equipped with the internal thread, the nut spiro union is on the connecting pipe, the nut then with another terminal surface butt of bounding wall, tighten the nut, then can fix the coupling body on the bounding wall, and the bottom of coupling body has increased area of contact, reduce the pressure that the impact force caused, and the nut can dismantle the change fast, and possesses fine practicality.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a front view schematically illustrating the structure of the pipe joint of the present invention;

fig. 2 is a schematic perspective view of the pipe joint of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another.

Fig. 1 is a front view schematically showing the structure of a pipe joint of the present invention, fig. 2 is a schematic three-dimensional structure of the pipe joint of the present invention, as shown in fig. 1 and fig. 2, the present embodiment provides a pipe joint including a connecting pipe 1 and a nut 2, the outer surface of the connecting pipe 1 is provided with an external thread, the inner surface of the nut 2 is provided with an internal thread, the nut 2 is screwed on the connecting pipe 1, when the connecting pipe 1 passes through a wall-passing hole such as a wall panel on a cockpit for installation, the nut can abut against one end surface of the wall panel, and the pipe joint further includes a pipe joint body 3, the middle portion of the pipe joint body 3 is communicated with the connecting pipe 1 to form a fluid flow channel, the pipe joint body 3 is a table body, the bottom of the pipe joint body 3 is fixedly connected with one end of the connecting pipe 1, the bottom of the pipe joint, and the bounding wall is pressed from both sides and is established between the bottom of coupling body 3 and nut 2, screws up nut 2, then can fix coupling body 3 on the bounding wall, and coupling body 3's bottom has increased the area of contact of coupling with the bounding wall, reduces the pressure that the impact force caused to nut 2 can be dismantled fast and change.

Further, the pipe joint body 3 is a truncated cone, the sectional area of the bottom of the truncated cone is large, and the sectional area of the top of the truncated cone is small, so that the contact area of the bottom can be enlarged, and the impact can be reduced, and the pipe joint body 3 can be arranged into a truncated pyramid besides the truncated cone.

Further, the pipe joint further comprises a sealing gasket 4, the sealing gasket 4 is sleeved on the connecting pipe 1, the sealing gasket 4 is connected and arranged at the bottom of the pipe joint body 3, and when the bottom of the pipe joint body 3 is in contact with the end face of the enclosing plate, the sealing gasket 4 is installed between the pipe joint body 3 and the enclosing plate, so that the effect of sealing and installing the contact face is achieved.

Further, the pipe joint further comprises a flat gasket 5, the flat gasket 5 is sleeved on the connecting pipe 1, the flat gasket 5 is connected and arranged on the end face, facing the pipe joint body 3, of the nut 2, and when the nut 2 is in contact with the end face of the surrounding plate, the flat gasket 5 is arranged between the nut 2 and the surrounding plate, and the effect of sealing and installing the contact face is also achieved.

Further, the fixing mode of the pipe joint body 3 and the connecting pipe 1 can be selected according to actual needs, and the fixing mode can be integrally cast or welded and fixed, or internal threads are arranged on the inner surface of the pipe joint body 3, and the pipe joint body 3 is in threaded connection with the connecting pipe 1.

Further, the pipe joint further comprises an adapter 6, the adapter 6 is fixedly connected with the top of the pipe joint body 3, the adapter 6 is communicated with the middle of the pipe joint body 3, the adapter 6 is a straight joint, an elbow joint or a T-shaped joint, and the adapter 6 can be used for fluid circulation.

It is worth noting that the connecting pipe 1, the nut 2 and the pipe joint body 3 are all made of metal materials, so that the metal strength is high and the pipe joint is more impact-resistant.

The embodiment of this specification provides a coupling, because the middle part and the connecting pipe of coupling body are linked together, form the circulation of fluid passageway, and the coupling body is the stage body, the bottom of coupling body and the one end fixed connection of connecting pipe, when the connecting pipe passes the wall hole such as the bounding wall on the cockpit and installs, the bottom of coupling body and a terminal surface butt of bounding wall, the surface of connecting pipe is equipped with the external screw thread, the internal surface of nut is equipped with the internal thread, the nut spiro union is on the connecting pipe, the nut then with another terminal surface butt of bounding wall, tighten the nut, then can fix the coupling body on the bounding wall, and the bottom of coupling body has increased area of contact, reduce the pressure that the impact force caused, and the nut can dismantle the change fast, and possesses fine practicality.

The foregoing description has been directed to specific embodiments of this disclosure. Other embodiments are within the scope of the following claims. It should be noted that, for those skilled in the art, without departing from the principle of the present application, several improvements and modifications can be made, and these improvements and modifications should also be construed as the protection scope of the present application.

Claims

1. The utility model provides a pipe joint, includes connecting pipe (1) and nut (2), the surface of connecting pipe (1) is equipped with the external screw thread, the internal surface of nut (2) is equipped with the internal thread, nut (2) spiro union is in on connecting pipe (1), its characterized in that still includes coupling body (3), coupling body (3) are the stage body, the bottom of coupling body (3) with the one end fixed connection of connecting pipe (1), the middle part of coupling body (3) with connecting pipe (1) is linked together.

2. A pipe joint according to claim 1, characterized in that the pipe joint body (3) is a truncated cone.

3. The pipe joint according to claim 1, further comprising a sealing gasket (4), wherein the sealing gasket (4) is sleeved on the connecting pipe (1), and the sealing gasket (4) is connected and arranged at the bottom of the pipe joint body (3).

4. The pipe joint according to claim 1, further comprising a flat washer (5), wherein the flat washer (5) is sleeved on the connecting pipe (1), and the flat washer (5) is connectively arranged on an end surface of the nut (2) facing the pipe joint body (3).

5. A pipe joint according to claim 1, wherein the pipe joint body (3) is welded and fixed to the connection pipe (1).

6. A pipe joint according to claim 1, wherein the inner surface of the pipe joint body (3) is provided with an internal thread, the pipe joint body (3) being screwed on the connection pipe (1).

7. The pipe joint according to claim 1, further comprising an adapter (6), wherein the adapter (6) is fixedly connected with the top of the pipe joint body (3), and the adapter (6) is communicated with the middle of the pipe joint body (3).

8. A pipe joint according to claim 7, characterized in that the adapter (6) is a straight joint, an elbow joint or a T-joint.

9. A pipe joint according to any one of claims 1 to 8, wherein the connecting pipe (1), the nut (2) and the pipe joint body (3) are made of a metal material.