Riveting-press-formed oil cooling pipe

Abstract

The utility model relates to the technical field of oil cooling pipes, in particular to a riveting forming oil cooling pipe which comprises a first metal pipe, a connecting piece and a second metal pipe, the first metal pipe and the second metal pipe are fixedly connected with the connecting piece in the same mode, limiting holes are formed in the two sides of the connecting piece, protruding blocks are fixed to the two sides of the connecting piece, and the protruding blocks are connected with the first metal pipe and the second metal pipe in the same mode. A fixing hole is formed in the middle of the protruding block and communicated with the limiting hole, the first metal pipe and the second metal pipe jointly penetrate through the fixing hole and the limiting hole, a first fixing rib and a second fixing rib are arranged in the middle of the first metal pipe, and an expanding pipe is installed at one end of the first metal pipe. One end of the expanding pipe abuts against the limiting hole. The connecting points are firm and reliable; the process is simple and easy to operate; meanwhile, when the oil cooling pipe is produced, the working environment is good, no dust or smoke is discharged, the working intensity of workers is reduced, and harm to human bodies is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil cooling pipe technical field especially relates to riveting pressure forming's oil cooling pipe. BACKGROUND

[0002] Engine oil cooling pipe is one of the most important parts of engine, and the existing oil cooling pipe is connected and fixed by welding mode of metal pipe and connecting piece, in the process of processing, the working environment is not good, dust smoke is not easy to discharge, the employee's work intensity is higher, more importantly, the harm to human body is bigger, therefore, the oil cooling pipe produced by welding mode needs optimization and improvement. UTILITY MODEL CONTENTS

[0003] The utility model discloses riveting pressure forming's oil cooling pipe is provided to solve the shortcoming in prior art.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] Design riveting pressure forming's oil cooling pipe, including first metal pipe, connecting piece, second metal pipe, first metal pipe and second metal pipe all are fixedly connected with connecting piece, and the same connection mode is same, both sides of connecting piece are equipped with limit hole, both sides of connecting piece are fixed with lug, the middle part of lug is equipped with fixed hole, and fixed hole is communicated with limit hole, the aperture size of fixed hole is greater than the aperture size of limit hole, first metal pipe, second metal pipe all are jointly penetrated fixed hole, limit hole, the middle part of first metal pipe is equipped with first fixed rib and second fixed rib respectively, first fixed rib and second fixed rib are located in fixed hole, and the one end of first metal pipe is installed with the expansion pipe, and the one end of expansion pipe is in contact with limit hole.

[0006] Preferably, the outer side of the first metal pipe is provided with a sealing ring, and the sealing ring is located between the first fixed rib and the second fixed rib, and the outer surface of the sealing ring is in contact with the lug.

[0007] Preferably, the connecting piece and the lug are integrally formed.

[0008] The riveting pressure forming's oil cooling pipe has the advantages that the connection is firm and reliable, the process is simple and easy to operate, the product surface is clean and beautiful, and the working environment is good when producing the oil cooling pipe, the dust and smoke emission is reduced, the employee's work intensity is reduced, and the harm to human body is reduced.

[0009] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages described above. DRAWINGS

[0010] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present application, and for the ordinary skilled in the art, other drawings can also be obtained without creative labor.

[0011] Fig. 1 The E-E sectional view structure schematic diagram of the riveting and pressing formed oil cooling pipe provided by the present application;

[0012] Fig. 2 The perspective view structure schematic diagram of the riveting and pressing formed oil cooling pipe provided by the present application.

[0013] In the figure: first metal pipe 1, connecting piece 2, second metal pipe 3, first fixing rib 4, protruding block 5, sealing ring 6, second fixing rib 7, fixing hole 8, limiting hole 9, diameter expansion pipe 10. DETAILED DESCRIPTION

[0014] The following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application, obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the present application.

[0015] Referring to Figs. 1-2 The riveting and pressing formed oil cooling pipe comprises a first metal pipe 1, a connecting piece 2 and a second metal pipe 3, the first metal pipe 1 and the second metal pipe 3 are fixedly connected with the connecting piece 2, and the connection modes are the same, limiting holes 9 are arranged on both sides of the connecting piece 2, protruding blocks 5 are fixed on both sides of the connecting piece 2, fixing holes 8 are arranged in the middle of the protruding blocks 5, the fixing holes 8 are communicated with the limiting holes 9, the hole diameter of the fixing holes 8 is larger than the hole diameter of the limiting holes 9, the first metal pipe 1 and the second metal pipe 3 are both penetrated through the fixing holes 8 and the limiting holes 9, first fixing ribs 4 and second fixing ribs 7 are arranged in the middle of the first metal pipe 1, the first fixing ribs 4 and the second fixing ribs 7 are located in the fixing holes 8, a diameter expansion pipe 10 is installed at one end of the first metal pipe 1, one end of the diameter expansion pipe 10 is in abutment with the limiting hole 9, and the cooperation between the diameter expansion pipe 10 on one side and the second fixing rib 7 makes the first metal pipe 1 and the connecting piece 2 tightly connected.

[0016] The outer side of the first metal pipe 1 is sleeved with a sealing ring 6, the sealing ring 6 is located between the first fixing rib 4 and the second fixing rib 7, and the outer surface of the sealing ring 6 is in abutment with the protruding block 5.

[0017] The connecting piece 2 and the protruding block 5 are integrally formed, and the structure is more stable.

[0018] Working principle: when producing the oil cooling pipe, first, the first fixing rib 4 and the second fixing rib 7 are processed, then the sealing ring 6 is sleeved between the first fixing rib 4 and the second fixing rib 7, the first fixing rib 4 and the second fixing rib 7 are placed in the fixing hole 8, at this time, one end of the oil cooling pipe penetrates through the limiting hole 9, then the metal pipe is riveted and formed, the expanded diameter pipe 10 is formed, at this time, the first metal pipe 1, the second metal pipe 3 and the connecting piece 2 are connected and fixed.

[0019] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0020] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details exhaustively, nor limit the utility model to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A rivet formed oil cooling tube comprising a first metal tube (1), a connecting member (2), a second metal tube (3), characterized in that, The first metal pipe (1) and the second metal pipe (3) are fixedly connected with the connecting piece (2), and the connecting modes are same, both sides of the connecting piece (2) are provided with limiting holes (9), both sides of the connecting piece (2) are fixedly provided with protrusions (5), the middle part of the protrusion (5) is provided with a fixed hole (8), the fixed hole (8) is communicated with the limiting hole (9), the hole diameter of the fixed hole (8) is larger than the hole diameter of the limiting hole (9), the first metal pipe (1) and the second metal pipe (3) are jointly penetrated through the fixed hole (8) and the limiting hole (9), the middle part of the first metal pipe (1) is respectively provided with a first fixed rib (4) and a second fixed rib (7), the first fixed rib (4) and the second fixed rib (7) are located in the fixed hole (8), one end of the first metal pipe (1) is provided with a diameter expansion pipe (10), one end of the diameter expansion pipe (10) is in abutment with the limiting hole (9).

2. The swaged oil-cooled tube of claim 1, wherein, The outer side of the first metal pipe (1) is provided with a sealing ring (6), the sealing ring (6) is located between the first fixed rib (4) and the second fixed rib (7), and the outer surface of the sealing ring (6) is in abutment with the protrusion (5).

3. The swaged oil-cooled tube of claim 1, wherein, The connecting piece (2) and the protrusion (5) are an integral molding structure.

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