CN209762507U - Connecting pipe - Google Patents

Abstract

The utility model discloses a connecting pipe, the body periphery of this connecting pipe is equipped with location portion, and the design depth of insertion when location portion and body tip are the connecting pipe and insert the rubber tube. This scheme is through increasing location portion in the connecting pipe periphery, is convenient for visualize or touch to be convenient for installation and inspection. When the connecting pipe is connected with the rubber pipe, the depth of the connecting pipe inserted into the rubber pipe can be ensured to be consistent, namely, the inserting depth can be ensured to be the designed inserting depth, the design requirement is met, and therefore the sealing reliability of pipeline connection is improved.

Description

Connecting pipe

Technical Field

The utility model relates to a pipeline connecting piece technical field especially relates to a connecting pipe.

Background

Along with the improvement of the emission grade of the whole vehicle, the connecting pipelines on the vehicle are more and more, and the internal air pressure and the internal hydraulic pressure are also higher and higher. In order to ensure the sealing performance of the pipeline, the insertion depth requirements of the metal pipe and the rubber pipe are more and more strict.

When the metal pipe of the existing product is connected with the rubber pipe, only one rolled rib is arranged on the periphery of the end part of the metal pipe, the metal pipe is used for preventing the clamp from falling off, the characteristic that the rubber pipe is inserted into a limit position is avoided, the consistency of the depth of the metal pipe inserted into the rubber pipe is poor, the insertion depth of the rubber pipe can hardly meet the design requirement, and under the high-pressure impact, the rubber pipe falling risk exists, especially under the condition of visual inconvenience.

Therefore, how to ensure that the insertion depth of the connecting pipe meets the design requirement is a technical problem which needs to be solved by the technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a connecting pipe for guarantee that the degree of depth that the connecting pipe inserted the rubber tube satisfies the designing requirement, improve the sealing performance of tube coupling.

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

The utility model provides a connecting pipe, the body periphery of connecting pipe is equipped with location portion, location portion with the distance between the body tip does the design depth of insertion when the connecting pipe inserts the rubber tube.

preferably, the positioning part is an annular protrusion surrounding the outer periphery of the pipe body.

preferably, the positioning part is an annular bead.

Preferably, the annular rolling rib and the pipe body are of an integrally formed structure.

Preferably, the positioning portion is an annular groove surrounding the outer periphery of the pipe body.

Preferably, the positioning portion is a plurality of protrusions arranged around the outer periphery of the pipe body.

Preferably, the locating portion is a plurality of dimples arranged around the circumference of the tube body.

Preferably, the periphery of body be equipped with respectively with the body both ends are apart from design depth of insertion's two location portion.

Preferably, an anti-drop rolling rib surrounding the periphery of the pipe body is further arranged between the positioning part and the end part of the pipe body.

Preferably, the connecting tube is a metal tube.

The utility model provides a connecting pipe, its body periphery is equipped with location portion, location portion with distance between the body tip does design depth of insertion when the connecting pipe inserts the rubber tube. This scheme is through increasing location portion in the connecting pipe periphery, is convenient for visualize or touch to be convenient for installation and inspection. When the connecting pipe is connected with the rubber pipe, the depth of the connecting pipe inserted into the rubber pipe can be ensured to be consistent, namely, the inserting depth can be ensured to be the designed inserting depth, the design requirement is met, and the sealing reliability of pipeline connection is improved.

Drawings

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

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

Fig. 2 is a schematic view of the connection effect between the connecting pipe and the rubber pipe in the embodiment of the present invention.

In fig. 1 and 2:

1-pipe body, 2-annular rolled rib, 3-anti-drop rolled rib and 4-rubber pipe.

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.

Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a connecting pipe according to an embodiment of the present invention; fig. 2 is a schematic view of the connection effect between the connecting pipe and the rubber pipe in the embodiment of the present invention. The distance L in fig. 1 is the design insertion depth.

The utility model provides a connecting pipe, 1 periphery of body of connecting pipe is equipped with location portion, and the design depth of insertion L when location portion and 1 tip of body are the connecting pipe and insert rubber tube 4, and L's length is confirmed according to the rubber tube depth of insertion demand. This scheme is through increasing location portion in the connecting pipe periphery, is convenient for visualize or touch to be convenient for installation and inspection. When using this connecting pipe to be connected with rubber tube 4, when the connecting pipe was inserted and is designed the depth of insertion L in rubber tube 4, the terminal surface and the location portion of rubber tube 4 flushed to can guarantee that the connecting pipe inserts the depth of rubber tube 4 unanimously, promptly, the homoenergetic guarantees the depth of insertion for design depth of insertion L, accords with the design requirement, improves the sealed reliable performance of tube coupling, and the uniformity of whole car installation.

It should be noted that the positioning portion in this embodiment may be designed in various structural forms, and in a preferred embodiment, the positioning portion is an annular protrusion surrounding the outer periphery of the tube body 1, and the annular protrusion may be a fixing ring additionally fixed on the outer periphery of the tube body 1, and may also be a rib rolling structure, and further preferably, the positioning portion is an annular rib rolling 2, as shown in fig. 1. Further preferably, annular bead 2 and body 1 are integrated into one piece structure, promptly, process out annular bead 2 when processing body 1, improve intensity, the processing of being convenient for.

In another preferred embodiment, the positioning part is an annular groove surrounding the outer periphery of the pipe body 1.

In another preferred embodiment, the positioning part is a plurality of protrusions arranged around the outer circumference of the pipe body 1.

In another preferred embodiment, the positioning part is a plurality of dimples arranged around the circumference of the pipe body 1.

Preferably, the outer circumference of the pipe body 1 is provided with two positioning portions spaced from both ends of the pipe body 1 by a designed insertion depth, respectively. The two designed insertion depths L may be the same or different, and need to be designed according to the requirements of the rubber tube 4 to be inserted, and are not described herein again.

Preferably, an anti-drop rolling rib 3 surrounding the outer periphery of the pipe body 1 is further provided between the positioning part and the end part of the pipe body 1. That is, the distance between the anti-drop beads 3 and the end surface of the pipe body 1 is smaller than the designed insertion depth L, as shown in fig. 1.

It should be noted that the connection pipe in this embodiment may be applied to all the pipelines connected to the rubber pipe 4, and the connection pipe may be a metal pipe or a plastic pipe, or may be a pipe made of other materials, and preferably, the connection pipe in this embodiment is a metal pipe.

The utility model discloses following beneficial effect has:

1. And rubber tube insertion depth positioning rolling ribs are added at the end parts of the connecting tubes to ensure the consistency of the rubber tube insertion depth.

2. The cost is not increased basically when the positioning rolling ribs are machined at the end part of the connecting pipe.

3. The assembly and the inspection are simple and convenient, and the visibility is strong.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The utility model provides a connecting pipe, its characterized in that, body (1) periphery of connecting pipe is equipped with location portion, location portion with the distance between body (1) the tip does the design depth of insertion when the connecting pipe inserts rubber tube (4), location portion with still be provided with between the tip of body (1) around the anticreep that body (1) periphery rolls muscle (3).

2. A pipe according to claim 1, wherein the positioning portion is an annular projection around the outer circumference of the pipe body (1).

3. a connecting tube according to claim 2, characterised in that the positioning part is an annular bead (2).

4. A connecting tube according to claim 3, characterised in that the annular bead (2) is of one-piece construction with the tube body (1).

5. A pipe according to claim 1, wherein the locating portion is an annular groove around the outer circumference of the pipe body (1).

6. A pipe according to claim 1, wherein the locating portion is a plurality of projections arranged around the periphery of the pipe body (1).

7. A pipe according to claim 1, wherein the locating portion is a plurality of dimples arranged around the periphery of the pipe body (1).

8. A pipe according to claim 1, wherein the outer circumference of the pipe body (1) is provided with two positioning portions at a designed insertion depth from both ends of the pipe body (1), respectively.

9. A connecting tube according to any of claims 1 to 8, characterized in that it is a metal tube.