JPH09303977A - Oil cooler incorporated radiator tank - Google Patents

Abstract

PROBLEM TO BE SOLVED: To decrease manufacturing processes by providing an oil tube in the longitudinal direction of a tank main body, an oil inlet member in a patch end in an oil inlet at one side of the tank main body and an oil outlet member in a patch end in an oil outlet at the other side of the tank main body. SOLUTION: An oil tube 23 is arranged in the longitudial direction of a tank main body 21. A communicating hole 29a through which the right side end part 23a of the oil tube 23 is inserted and an oil inlet member 27 having an oil inlet port formed are provided outside an oil inlet side patch end 25 in the right side opening part 21b of the tank main body 21. Further, a communicating hole 35a into which the left side end part 23b of the oil tube 23 is inserted and an oil outlet member 33 having an oil outlet port formed are provided outside an oil outlet side patch end 31 in the left side opening part 21c of the tank main body 21. Then, the oil tube 23 is longitudinally inserted from the opening part of the tank main body 21 so that an oil cooler is assembled.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radiator tank with a built-in oil cooler in which an oil cooler is housed in a radiator tank.

[0002]

2. Description of the Related Art Generally, in a vehicle such as an automobile, an oil cooler is arranged to cool oil circulating in an engine, a transmission and the like. Conventionally, for example, Japanese Utility Model Laid-Open No. Sho 62-190821, As disclosed in Japanese Utility Model Application Laid-Open No. 2-72326, a radiator tank in which an oil cooler is housed is known.

FIG. 9 shows a radiator tank with a built-in oil cooler of this type. An oil cooler 3 is inserted through an opening 1a formed in the upper surface of the tank body 1 and arranged on the side surface of the tank body 1. After the oil pipes 5 formed at both ends of the oil cooler 3 are inserted through the pair of pipe insertion holes 1b and the oil cooler 3 is housed in the tank body 1, the washer 7 is clamped and fixed by the nut 9.

In the radiator tank with a built-in oil cooler, the oil cooler 3 is housed in the tank body 1 and heat is exchanged by the radiator cooling water flowing in the tank body 1. Therefore, the oil flowing in the oil cooler 3 is surely cooled. Moreover, it is not necessary to dispose the oil cooler 3 separately, and the space around the radiator can be effectively used.

However, in such a radiator tank with a built-in oil cooler, the oil cooler 3 is inclined toward the oil pipe 5 side, and the oil pipe 5 is inserted into the insertion hole 1b of the tank main body 1 to assemble the assembly. There is a problem that it becomes complicated and a large number of manufacturing processes are required. Further, since the oil pipes 5 projecting in the side direction are arranged at both ends of the oil cooler 3, the oil cooler could not be housed in the tank body formed in a tubular shape having no large opening.

Therefore, the present applicant has developed a radiator tank with a built-in oil cooler, which is disclosed in Japanese Patent Application Laid-Open No. 4-254195, as a solution to such a problem. FIG. 10 shows the radiator tank with a built-in oil cooler of this publication. An oil cooler 17 whose both ends are supported by a connector 15 is housed in a cylindrical tank body 13 whose both ends are closed by patch ends 11. ing.

A connector 15 is provided on the side surface of the tank body 13.
An oil pipe 19 communicating with the oil passage 15a is arranged. In the radiator tank with a built-in oil cooler described above, the oil cooler 17 whose both ends are supported by the connector 15 is inserted from the end of the tank body 13, and the oil pipe 19 is arranged in the oil passage 15a of the connector 15 from the outside of the tank body 13. Therefore, the cylindrical tank body 1
3 can accommodate the oil cooler 17, and the above-described Japanese Utility Model Publication No. 62-190821 and Japanese Utility Model Publication 2-7.
Similarly to the radiator tank with a built-in oil cooler disclosed in Japanese Patent No. 2326, it is not necessary to separately arrange the oil cooler 17, and the space around the radiator can be effectively used.

[0008]

However, in the radiator tank with a built-in oil cooler disclosed in JP-A-4-254195, the oil cooler 17 supported by the connector 15 is inserted from the end of the tank body 13. Then, from the outside of the tank body 13, the oil pipe 1
Since 9 is arranged, the oil cooler 17 and the oil pipe 19 must be assembled from different directions, the setup process of the assembly work becomes complicated, the manufacturing process increases, and a great manufacturing cost is required. There was a problem.

An oil cooler 17 whose both ends are supported by the connector 15 is press-fitted into the tank main body 13 and the oil passage 15a of the connector 15 is inserted from the outside of the tank main body 13.
Since the oil pipe 19 communicating with the oil pipe 19 is arranged, the positioning of the oil passage 15a of the connector 15 and the oil pipe 19 becomes complicated, and there is a problem that the manufacturing process takes a lot of time and labor.

The present invention has been made in order to solve the above-mentioned conventional problems, and can effectively use the space around the radiator, and can reduce the number of manufacturing steps significantly compared with the conventional one. It is intended to provide a radiator tank.

[0011]

A radiator tank with a built-in oil cooler according to claim 1 has a cylindrical tank body having openings formed at both ends thereof, and an oil arranged in the axial direction in the tank body. A tube, an oil inflow side patch end formed in the opening on one side of the tank body and having an insertion hole for inserting one end of the oil tube, and an oil inflow side patch end arranged outside the oil inflow side patch end A communication hole into which one end of the oil tube is inserted, an oil inflow member in which an oil inlet is formed, and an insertion member that is disposed in the opening on the other side of the tank body and that inserts into the other end of the oil tube. An oil outflow side patch end in which a hole is formed, a communication hole arranged outside the oil outflow side patch end and into which the other end of the oil tube is inserted, Characterized by comprising an oil outflow member yl outlet is formed.

A radiator tank with a built-in oil cooler according to a second aspect of the present invention has a cylindrical tank body having an opening formed at least at one end, and one end and the other end arranged axially in the tank body. Is disposed in the opening of the tank body and is inserted through the one end and the other end of the oil tube.
A patch end having a pair of insertion holes formed therein, a communication hole arranged outside the patch end into which one end of the oil tube is inserted, and an oil inflow member having an oil inflow port, and the patch end And a communication hole that is disposed on the outer side of the oil tube and into which the other end of the oil tube is inserted, and an oil outflow member in which an oil outflow port is formed.

A radiator tank with a built-in oil cooler according to a third aspect of the present invention has a tubular tank body having openings formed at both ends thereof, an oil tube arranged in the axial direction inside the tank body, and the tank body. A communication hole that is arranged inside the opening on one side and into which one end of the oil tube is inserted; and an oil inflow tank in which an oil inflow port is formed; and an oil inflow tank that is arranged outside the oil inflow tank. An oil inflow side patch end in which an oil inflow hole communicating with the oil inflow port of the oil inflow tank is formed, and the other end of the oil tube disposed inside the opening on the other side of the tank body is inserted. And a tank for oil outflow in which an oil outlet is formed,
An oil outflow side patch end that is disposed outside the oil outflow tank and has an oil outflow hole that communicates with the oil outflow port of the oil outflow tank.

A radiator tank with a built-in oil cooler according to a fourth aspect of the present invention includes a tubular tank body having an opening formed at least at one end, an oil tube arranged in the axial direction inside the tank body, and the tank. A communication hole that is arranged inside the opening of the main body and into which one end of the oil tube is inserted; and an oil inflow / outflow tank in which an oil inflow port and an oil outflow port are formed; A partition wall disposed inside to divide the oil inflow / outflow tank into the oil inflow port side and the oil outflow port side, and an oil inflow port of the oil inflow / outflow tank disposed outside the oil inflow / outflow tank. A patch end in which an oil inflow hole communicating with the oil outflow hole is formed and an oil outflow hole communicating with the oil outflow port of the oil outflow / inflow tank is formed. Characterized by comprising an oil passage for tank communicating hole the other end of the interior of the disposed opposite the opening the oil tube is inserted is formed in the tank body.

A radiator tank with a built-in oil cooler according to a fifth aspect of the present invention is the radiator tank with a built-in oil cooler according to any one of the first to fourth aspects, wherein the oil tube is a multi-hole pipe. .

(Operation) In the radiator tank with a built-in oil cooler according to the first aspect of the invention, the oil is introduced from the oil inlet port of the oil inlet member disposed outside the oil inlet side patch end, and the communication hole of the oil inlet member is provided. For oil outflow located outside the oil outflow side patch end after the oil is cooled by heat exchange with the radiator cooling water flowing in the tank body while passing through the oil tube from one end of the oil tube Oil flows out from the other end of the oil tube inserted into the communication hole of the member, and flows out from the oil outlet.

In the radiator tank with a built-in oil cooler according to a second aspect of the invention, oil is introduced from an oil inlet port of an oil inflow member arranged outside the patch end and is inserted into a communication hole of the oil inflow member. The oil is inserted into the communication hole of the oil outflow member located outside the patch end after the oil is cooled by heat exchange with the radiator cooling water flowing in the tank body while passing through the oil tube from one end of the Oil flows out from the other end of the tube and oil flows out from the oil outlet.

In the radiator tank with a built-in oil cooler according to a third aspect of the present invention, the oil inlet of the oil inlet tank disposed inside the opening on one side of the tank body communicates with the oil inlet of the oil inlet patch end. Oil flows in from the one end of the oil tube that is inserted into the communication hole of the oil inflow tank, and the oil is cooled by heat exchange with the radiator cooling water that flows in the tank body, and then the tank The oil flows out from the other end of the oil tube inserted into the communication hole of the oil outflow tank arranged inside the opening on the other side of the main body through the oil outflow hole of the oil outflow side patch end.

In the radiator tank with a built-in oil cooler according to a fourth aspect of the present invention, the oil is introduced from the oil inlet of the oil inflow / outflow tank arranged inside the opening of the tank body through the oil inflow hole of the patch end. , While the oil is cooled by heat exchange with the radiator cooling water flowing in the tank body while passing through the oil tube from one end of the oil tube inserted in the communication hole of the oil inflow / outflow tank, the oil inlet is opened by the partition wall. The oil flows out from the oil outflow port of the oil inflow / outflow tank separated from the side through the oil outflow hole of the patch end.

In the radiator tank with a built-in oil cooler according to a fifth aspect of the invention, the oil passes through a plurality of passages of an oil tube formed of a multi-hole pipe and is cooled by heat exchange with radiator cooling water flowing in the tank body.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 shows a first embodiment (corresponding to claim 1) of a radiator tank with a built-in oil cooler according to the present invention. Reference numeral 21 in the drawing shows a tank body of the radiator. The tank body 21 is formed into a rectangular tubular shape by, for example, extruding aluminum.

On the upper surface of the tank body 21, a radiator tube insertion hole 2 having a long hole shape is formed at a predetermined interval in the axial direction.
1a is formed. Inside the tank body 21, an oil tube 23, which is formed into an elliptic cylindrical shape by extrusion molding of aluminum and is bent into an S shape in the axial direction, is arranged. An oil inflow side patch end 25, which is made of aluminum and is formed into a rectangular dish shape by press molding, is fitted into the right side opening portion 21b of the tank body 21.

The oil inflow side patch end 2
5 is fixed to the tank body 21 by brazing. The side surface of the oil inflow side patch end 25 has an elliptical insertion hole 25 corresponding to the outer peripheral shape of the oil tube 23.
a is formed. In the insertion hole 25a, the oil tube 23 is projected to the outside of the oil inflow side patch end 25.
The right end portion 23a is inserted and fixed by brazing.

At the right end 23a of the oil tube 23 protruding outside the oil inflow side patch end 25,
An oil inflow member 27 is arranged. On the oil inflow member 27, an oil inflow cylinder 29 formed in a cylindrical shape by extrusion molding of aluminum is arranged. In the oil inflow cylinder 29, the oil tube 23
An elliptical communication hole 29a corresponding to the outer peripheral shape of is formed.

The oil tube 2 is inserted into the communication hole 29a.
The right end portion 23a of 3 is communicated and fixed by brazing. On the other hand, an oil outflow side patch end 31, which is made of aluminum and is formed into a rectangular dish by press molding, is fitted into the left opening 21c of the tank body 21.

Then, the oil outflow side patch end 3
1 is fixed to the tank body 21 by brazing. An elliptical insertion hole 31 corresponding to the outer peripheral shape of the oil tube 23 is formed on the side surface of the oil outflow side patch end 31.
a is formed. The oil tube 23 is inserted into the insertion hole 31a so as to protrude to the outside of the oil outflow side patch end 31.
The left end portion 23b is inserted and fixed by brazing.

At the left end 23b of the oil tube 23 protruding outside the oil outflow side patch end 31,
An oil outflow member 33 is arranged. The oil outflow member 33 is provided with an oil outflow cylinder 35 formed in a cylindrical shape by extrusion molding of aluminum. In the oil outflow cylinder 35, the oil tube 23
An elliptical communication hole 35a corresponding to the outer peripheral shape of is formed.

The oil tube 2 is provided in the communication hole 35a.
The left end portion 23b of the No. 3 is connected and is fixed by brazing. FIG. 2 shows the details of the oil inflow member 27 and its vicinity. As described above, the oil inflow cylinder 29 is provided with the insertion hole 25a of the oil inflow side patch end 25 and the oil inflow cylinder 29. The right end portion 23 of the oil tube 23 is inserted through the hole 29a.
a is open.

A first opening corresponding to the inner peripheral shape of the oil inflow cylinder 29 is provided at the front opening of the oil inflow cylinder 29.
The cylinder patch 37 is fitted and fixed by brazing. On the other hand, a second cylinder patch 39 corresponding to the inner peripheral shape of the oil inflow cylinder 29 is fitted into the rear opening of the oil inflow cylinder 29 and fixed by brazing.

The second cylinder patch 39 is formed with a circular oil inlet 39a. A cylindrical oil inflow pipe 41 is fitted into the oil inflow port 39a and fixed by brazing. FIG. 3 shows the details of the oil outflow member 33 and the vicinity thereof. Inside the oil outflow cylinder 35, as described above, the insertion hole 31 a of the oil outflow side patch end 31 and the communication of the oil outflow cylinder 35 are communicated. The left end portion 23b of the oil tube 23 is opened through the hole 35a.

A third opening corresponding to the inner peripheral shape of the oil outflow cylinder 35 is provided at the front opening of the oil outflow cylinder 35.
Cylinder patch 43 is fitted and fixed by brazing. On the other hand, a fourth cylinder patch 45 corresponding to the inner peripheral shape of the oil outflow cylinder 35 is fitted into the rear opening of the oil outflow cylinder 35 and fixed by brazing.

A circular oil outlet 45a is formed in the fourth cylinder patch 45. A cylindrical oil outflow pipe 47 is fitted into the oil outflow port 45a and fixed by brazing. In the radiator tank with a built-in oil cooler of this embodiment, the oil inflow member 2 arranged outside the oil inflow side patch end 25.
7, the oil flows in from the oil inflow pipe 41, and the oil flows in the tank body 21 while passing through the oil tube 23 from the right end 23a of the oil tube 23 inserted into the communication hole 29a of the oil inflow member 27. The oil outflow member 3 arranged outside the oil outflow side patch end 31 after being heat-exchanged with the radiator cooling water and cooled.
The oil flows out from the left end 23b of the oil tube 23 which is inserted into the communication hole 35a of the oil discharge pipe 47.
Oil is spilled from.

In the radiator tank with a built-in oil cooler configured as described above, the oil tube 23 is disposed inside the tank body 21 in the axial direction, and the oil tube 23
The communication hole 29a into which the right end 23a of the tank is inserted, and the oil inflow member 27 in which the oil inflow port 39a is formed are arranged outside the oil inflow side patch end 25 arranged in the right opening 21b of the tank body 21. The oil outflow member 33 having the communication hole 35a into which the left end 23b of the oil tube 23 is inserted and the oil outflow port 45a is formed in the left opening 21c of the tank body 21. I placed it outside of 31, so
Since the oil cooler can be assembled by inserting the oil tube 23 in the axial direction from the opening of the tank body 21, the manufacturing process can be significantly reduced as compared with the conventional case.

The oil tube 23 is attached to the tank body 2
1, the right end 23 of the oil tube 23
The oil inflow member 27 into which the a is inserted is attached to the tank main body 21.
Of the oil tube 23 disposed on the oil inlet side patch end 25 disposed in the right side opening 21 b of the oil tube 23.
The oil outflow member 33 into which b is inserted is attached to the tank main body 21.
Since it is arranged at the oil outflow side patch end 31 arranged at the left side opening 21c, it is not necessary to separately arrange the oil cooler, and the space around the radiator can be effectively used.

FIG. 4 shows a second embodiment (corresponding to claim 2) of the radiator tank with a built-in oil cooler of the present invention. In the figure, reference numeral 21 is formed to be the same as that of the first embodiment. The tank body 21 is shown. Inside the tank body 21, an oil tube 51 which is formed into an elliptic cylindrical shape by extrusion molding of aluminum and is bent in a U-shape in the axial direction is arranged.

Both side openings 21b, 21 of the tank body 21
A first patch end 53 and a second patch end 55, which are made of aluminum and are formed in a rectangular plate shape by press molding, are fitted to c. The first patch end 53 and the second patch end 55 are fixed to the tank body 21 by brazing.

On the side surface of the first patch end 53 fixed to the right side opening 21b of the tank body 21, an elliptical first insertion hole 5 corresponding to the outer peripheral shape of the oil tube 51 is formed.
3a and a second insertion hole 53b are formed. The upper end portion 51a of the oil tube 51 is inserted into the first insertion hole 53a so as to project to the outside of the first patch end 53, and is fixed by brazing.

An oil inflow member 57 is arranged at the upper end portion 51a of the oil tube 51 projecting to the outside of the first patch end 53. Oil inflow member 5
7, an oil inflow cylinder 59 formed in a cylindrical shape by extrusion molding of aluminum is arranged. The oil inflow cylinder 59 is formed with an elliptical communication hole 59 a corresponding to the outer peripheral shape of the oil tube 51.

The oil tube 5 is inserted into the communication hole 59a.
The upper end portion 51a of No. 1 is connected and is fixed by brazing. On the other hand, the lower end portion 51b of the oil tube 51, which projects to the outside of the first patch end 53, is inserted into the second insertion hole 53b, and is fixed by brazing. An oil outflow member 61 is arranged at a lower end portion 51b of the oil tube 51 projecting to the outside of the first patch end 53.

The oil outflow member 61 is provided with an oil outflow cylinder 63 formed in a cylindrical shape by extrusion molding of aluminum. The oil outflow cylinder 63 is provided with an elliptical communication hole 63 a corresponding to the outer peripheral shape of the oil tube 51.

The oil tube 5 is inserted into the communication hole 63a.
The lower end portion 51b of the No. 1 is communicated and fixed by brazing. FIG. 5 shows details of the oil inflow member 57 and its vicinity. Inside the oil inflow cylinder 59, as described above, the first insertion hole 53a of the first patch end 53 and the oil inflow cylinder are provided. The upper end portion 51 of the oil tube 51 is inserted through the communication hole 59a of the oil tube 59.
a is open.

A first opening corresponding to the inner peripheral shape of the oil inflow cylinder 59 is provided at the front opening of the oil inflow cylinder 59.
Cylinder patch 65 is fitted and fixed by brazing. On the other hand, a second cylinder patch 67 corresponding to the inner peripheral shape of the oil inflow cylinder 59 is fitted into the rear opening of the oil inflow cylinder 59 and fixed by brazing.

A circular oil inlet 67a is formed in the second cylinder patch 67. A cylindrical oil inflow pipe 69 is fitted into the oil inflow port 67a and fixed by brazing. FIG. 6 shows details of the oil outflow member 61 and the vicinity thereof. Inside the oil outflow cylinder 63, as described above, the second insertion hole 53b of the first patch end 53 and the oil outflow cylinder are provided. The lower end portion 51b of the oil tube 51 is opened by inserting the communication hole 63a of 63.

A third opening corresponding to the inner peripheral shape of the oil outflow cylinder 63 is provided at the front opening of the oil outflow cylinder 63.
Cylinder patch 71 is fitted and fixed by brazing. On the other hand, a fourth cylinder patch 73 corresponding to the inner peripheral shape of the oil outflow cylinder 63 is fitted into the opening on the far side of the oil outflow cylinder 63, and is fixed by brazing.

The fourth cylinder patch 73 is provided with a circular oil outlet 73a. A cylindrical oil outflow pipe 75 is fitted into the oil outflow port 73a and fixed by brazing. In the radiator tank with a built-in oil cooler of this embodiment, oil is introduced from the oil inflow pipe 69 of the oil inflow member 57 arranged outside the first patch end 53 and is inserted into the communication hole 59a of the oil inflow member 57. The oil is heat-exchanged with the radiator cooling water flowing in the tank body 21 while passing through the oil tube 51 from the upper end portion 51a of the oil tube 51, and then the first patch end 5
3, the communication hole 6 of the oil outflow member 61 arranged outside
Lower end 51b of oil tube 51 inserted into 3a
Oil flows out from the oil outflow pipe 75.

In the radiator tank with a built-in oil cooler having the above-described structure, almost the same effect as that of the first embodiment can be obtained. However, in this embodiment, the oil inflow is introduced into the first patch end 53. Since the member 57 and the oil outflow member 61 are arranged so that the oil flows in and out from one opening side of the tank main body 21, when the length of the tank main body changes depending on the ability required of the radiator. In addition, the oil cooler can be similarly constructed with the same parts, and the parts can be standardized, and the man-hours for managing the parts inventory and the set-up man-hours for parts processing can be surely reduced.

FIG. 7 shows a third embodiment (corresponding to claim 3) of a radiator tank with a built-in oil cooler according to the present invention. In the figure, reference numeral 21 is formed to be the same as that of the first embodiment. The tank body is shown. Tank body 21
Inside, the four oil tubes 81 formed in the shape of an elliptic cylinder by extrusion molding of aluminum are arranged parallel to the axial direction.

An oil inflow tank 83 is arranged at the right end 81a of the oil tube 81. The oil inflow tank 83 is provided with an oil inflow tank main body 85 formed into an elliptic cylinder shape by extrusion molding of aluminum, for example. Oil inflow tank body 8
A tank patch 87 corresponding to the inner peripheral shape of the oil inflow tank main body 85 is fitted into both side openings of No. 5 and fixed by brazing.

On the inner side surface of the oil inflow tank body 85, four elliptical communication holes 85a corresponding to the outer peripheral shape of the oil tube 81 are formed. The right end 81a of the oil tube 81 is inserted into these communication holes 85a and fixed by brazing. A circular oil inlet 85b is formed on the outer side surface of the oil inflow tank body 85.

On the outer side surface of the oil inflow tank body 85, there is arranged an oil inflow side patch end 89 which is made of aluminum and is formed into a rectangular dish shape by press molding. The oil inflow side patch end 89 is fitted on the tank body 21 and fixed by brazing.

On the side surface of the oil inflow side patch end 89, the oil inflow port 85b of the oil inflow tank body 85 is provided.
An oil inflow hole 89a having the same shape is formed at a position corresponding to. The oil inlet port 8 of the oil inflow tank body 85 is provided inside the oil inflow tank body 85.
5b and the oil inflow hole 89a of the oil inflow side patch end 89 are inserted, and the oil inflow pipe 91 is opened.

On the other hand, the left end portion 81 of the oil tube 81
An oil outflow tank 93 is arranged at b. The oil outflow tank 93 is provided with an oil outflow tank main body 95 formed into an elliptic cylinder by, for example, extrusion molding of aluminum. The oil outflow tank main body 95 is provided at both side openings of the oil outflow tank main body 95.
The tank patch 97 corresponding to the inner peripheral shape of is fitted and fixed by brazing.

On the inner side surface of the oil outflow tank body 95, four elliptical communication holes 95a corresponding to the outer peripheral shape of the oil tube 81 are formed. The left end 81b of the oil tube 81 is inserted into these communication holes 95a and fixed by brazing. A circular oil outlet 95b is formed on the outer side surface of the oil outflow tank body 95.

On the outer side surface of the oil outflow tank main body 95, there is arranged an oil outflow side patch end 99 which is made of aluminum and is formed into a rectangular dish shape by press molding. The oil outflow side patch end 99 is fitted on the tank body 21 and fixed by brazing.

On the side surface of the oil outflow side patch end 99, the oil outflow port 95b of the oil outflow tank main body 95 is formed.
An oil outflow hole 99a having the same shape is formed at a position corresponding to. Inside the oil outflow tank body 95, the oil outflow port 9 of the oil outflow tank body 95 is provided.
5b and the oil outflow hole 99a of the oil outflow side patch end 99 are inserted, and the oil outflow pipe 101 is opened.

In the radiator tank with a built-in oil cooler of this embodiment, the oil inflow pipe 91 of the oil inflow tank 83 arranged inside the right side opening 21b of the tank body 21 to the oil inflow hole 89a of the oil inflow side patch end 89. The radiator cooling water in which oil flows in the tank main body 21 while passing through the oil tube 81 from the right end portion 81a of the oil tube 81 inserted into the communication hole 85a of the oil inflow tank 83. The oil outflow tank 9 disposed inside the left side opening 21c of the tank body 21 after being heat-exchanged with and cooled.
The oil outflow hole 99a of the oil outflow side patch end 99 communicates with the left end 81b of the oil tube 81 inserted into the third communication hole 95a, and the oil flows out from the oil outflow pipe 101.

The radiator tank with a built-in oil cooler configured as described above can also obtain substantially the same effect as in the first embodiment, but in this embodiment, the openings 21b at both ends of the tank main body 21 are provided. 21c has an oil inflow tank 83 and an oil outflow tank 93,
Since four oil tubes 81 were inserted into the communication holes 85a and 95a formed in the oil inflow tank 83 and the oil outflow tank 93, respectively, sufficient oil to satisfy the cooling performance required for the oil cooler was obtained. The passage can be formed without bending the oil tube, and the post-processing man-hours of the oil cooler can be reliably reduced.

FIG. 8 shows a fourth embodiment (corresponding to claim 4) of the radiator tank with a built-in oil cooler of the present invention. In the figure, reference numeral 21 is formed to be the same as that of the first embodiment. The tank body is shown. Tank body 21
Inside, the four oil tubes 103 formed in the shape of an elliptic cylinder by extrusion molding of aluminum are arranged parallel to the axial direction.

The right end 103a of the oil tube 103
An oil inflow / outflow tank 105 is arranged in the.
In this oil inflow / outflow tank 105, an oil inflow / outflow tank main body 107 formed into an elliptic cylinder shape by, for example, extrusion molding of aluminum is arranged. A tank patch 109 corresponding to the inner peripheral shape of the oil inflow / outflow tank main body 107 is fitted into both side openings of the oil inflow / outflow tank main body 107 and fixed by brazing.

On the inner side surface of the oil inflow / outflow tank main body 107, four elliptical communication holes 107a corresponding to the outer peripheral shape of the oil tube 103 are formed. The right end 103a of the oil tube 103 is inserted through these communication holes 107a and fixed by brazing. A circular oil inlet 107b is formed in the upper part of the outer side surface of the oil inflow / outflow tank body 107.

A circular oil outlet 107c is formed in the lower portion of the outer side surface of the oil inflow / outflow tank main body 107. And the tank body 1 for oil inflow and outflow
A partition wall 111 that separates the oil inlet 107b side and the oil outlet 107c side is arranged in the vicinity of the center in 07. On the outer side surface of the oil inflow / outflow tank main body 107, a first patch end 113 made of aluminum and formed in a rectangular dish shape by press molding is arranged.

The first patch end 113 is fitted on the right end 21b of the tank body 21 and fixed by brazing. On the side surface of the first patch end 113, the oil inflow port 1 of the oil inflow / outflow tank main body 107 is provided.
07b and the position corresponding to the oil outlet 107c,
An oil inflow hole 113a and an oil outflow hole 113b having the same shape are formed.

The oil inflow / outflow tank body 107
Of the oil inflow port 107b of the oil inflow / outflow tank main body 107, and
The oil inflow pipe 115 is opened by inserting the oil inflow hole 113a of the patch end 113. The oil outflow opening 107c of the oil outflow / inflow tank main body 107 and the oil outflow hole 113b of the first patch end 113 are inserted into the inside of the oil outflow / inflow tank main body 107 on the oil outflow port 107c side, so that the oil outflow Pipe 117
Is opened.

On the other hand, the left end 1 of the oil tube 103
An oil passage tank 119 is arranged at 03b. In the oil passage tank 119, an oil passage tank main body 121 formed into an elliptic cylinder shape by extrusion molding of aluminum is arranged. The tank patch 12 corresponding to the inner peripheral shape of the oil passage tank body 121 is provided at both side openings of the oil passage tank body 121.
3 is fitted and fixed by brazing.

On the inner side surface of the oil passage tank body 121, four elliptical communication holes 121a corresponding to the outer peripheral shape of the oil tube 103 are formed. The left end 103b of the oil tube 103 is inserted into these communication holes 121a and fixed by brazing.
A second patch end 125, which is made of aluminum and is formed into a square dish by press molding, is arranged at the left end 21c of the tank body 21.

In the radiator tank with a built-in oil cooler of this embodiment, the oil inflow pipe 115 of the oil inflow / outflow tank 105 arranged inside the right side opening 21b of the tank body 21 through the oil inflow hole of the first patch end 113. A radiator in which oil flows into the tank main body 21 while allowing oil to flow in through 113a and passing through the oil tube 103 from the right end 103a of the oil tube 103 which is inserted into the communication hole 107a of the oil inflow / outflow tank 105. After being heat-exchanged with the cooling water and cooled, the oil flows out from the oil outflow pipe 117 of the oil inflow / outflow tank 105 which is separated from the oil inflow port 107b side by the partition wall 111.

The radiator tank with a built-in oil cooler configured as described above can also obtain substantially the same effect as that of the first embodiment, but in this embodiment, from the one opening side of the tank main body 21. Since oil is allowed to flow in and out, even if the tank body length changes due to the capacity required for the radiator, the same component can be used to configure the oil cooler in the same way, and standardization of parts is performed. It is possible to reliably reduce the management man-hours and setup man-hours for parts processing.

In the above-mentioned embodiment, an example in which the oil tubes 23, 51, 81, 103 formed in an elliptic cylinder shape are arranged has been described, but the present invention is not limited to this embodiment. An oil tube composed of a multi-hole tube may be arranged (corresponding to claim 5). In this case, a plurality of oil passages can be easily formed with a simple structure, and the number of assembling steps can be surely reduced.

In the above-described embodiment, the tank main body 21, the oil inflow tank main body 85, the oil outflow tank main body 95, the oil outflow / inflow tank main body 107, and the oil passage tank main body 121 are formed by extrusion molding. Although the example has been described, the present invention is not limited to such an embodiment, and the flat plate may be formed into a cylindrical roll, and the connecting portion may be joined by welding or brazing.

Further, in the above embodiment, the S-shape,
U-shaped or four oil tubes 23, 51,
Although the example in which 81 and 103 are arranged has been described, the present invention is not limited to such an embodiment, and it is desirable to select the shape or the number of arranged oil tubes according to the cooling capacity required for the oil cooler. .

[0072]

As described above, in the radiator tank with a built-in oil cooler according to the first aspect, the oil tube is arranged inside the tank body in the axial direction, and the communication hole into which one end of the oil tube is inserted, And an oil inflow member in which an oil inflow port is formed is disposed outside an oil inflow side patch end disposed in an opening on one side of the tank body, and a communication hole into which the other end of the oil tube is inserted, and Since the oil outflow member that forms the oil outflow port is located outside the oil outflow side patch end that is located in the opening on the other side of the tank body, insert the oil tube in the axial direction from the opening in the tank body. As a result, the oil cooler can be assembled and the manufacturing process can be significantly reduced as compared with the conventional method.

Further, the oil tube is arranged inside the tank main body, and the oil inflow member into which one end of the oil tube is inserted is arranged at the oil inflow side patch end arranged at the opening on one side of the tank main body. Since the oil outflow member into which the other end of the oil tube is inserted is disposed at the oil outflow side patch end disposed in the opening on the other side of the tank body, there is no need to dispose the oil cooler separately.
The space around the radiator can be used effectively.

In the radiator tank with a built-in oil cooler according to the second aspect, the oil tube is arranged inside the tank body in the axial direction, and the communication hole into which one end of the oil tube is inserted and the oil inlet are formed. The oil inflow member is arranged outside the patch end arranged in the opening of the tank body, and the oil outflow member having the communication hole into which the other end of the oil tube is inserted and the oil outflow port is formed. Since it is placed outside the patch end that is placed in the opening of the oil cooler, the oil cooler can be assembled by inserting the oil tube in the axial direction from the opening of the tank body, and the manufacturing process can be significantly reduced compared to the past. You can

Further, the oil tube is arranged inside the tank body, the oil inflow member into which one end of the oil tube is inserted is arranged at the patch end arranged at the opening of the tank body, and the other end of the oil tube is arranged. Since the oil outflow member into which the part is inserted is arranged at the patch end arranged in the opening of the tank body, it is not necessary to separately arrange the oil cooler, and the space around the radiator can be effectively used. .

In the radiator tank with a built-in oil cooler according to the third aspect, the oil tube is arranged inside the tank body in the axial direction, and a communication hole into which one end of the oil tube is inserted and an oil inlet are formed. The oil inflow tank is located inside the opening on one side of the tank body, and the oil outflow tank in which the other end of the oil tube is inserted and the oil outflow port is formed on the other side of the tank body. Since the oil cooler is arranged inside the opening, the oil cooler can be assembled by inserting the oil tube in the axial direction from the opening of the tank body, and the manufacturing process can be significantly reduced as compared with the conventional case.

Further, an oil tube is arranged inside the tank body in the axial direction, and an oil inflow tank into which one end of the oil tube is inserted is arranged inside an opening on one side of the tank body. Since the oil outflow tank into which the other end of is inserted is located inside the opening on the other side of the tank body, it is not necessary to separately arrange the oil cooler, and the space around the radiator can be used effectively. You can

In the radiator tank with a built-in oil cooler according to the fourth aspect, the oil tube is arranged inside the tank body in the axial direction, and the communication hole into which one end of the oil tube is inserted and the oil inlet and the oil tube are inserted. A communication hole into which the other end is inserted and an oil outlet are formed, and a partition wall for separating the oil inlet side and the oil outlet side is arranged. Since it is arranged, the oil cooler can be assembled by inserting the oil tube in the axial direction from the opening of the tank body, and the manufacturing process can be significantly reduced as compared with the conventional case.

Further, the oil tube is arranged inside the tank main body in the axial direction, and the oil inflow / outflow tank into which one end of the oil tube and the other end of the oil tube are inserted is provided inside the opening of the tank main body. Since it is arranged, it is not necessary to separately arrange the oil cooler, and the space around the radiator can be effectively used. In the radiator tank with a built-in oil cooler according to the fifth aspect, since the oil tube is formed by a multi-hole tube, a plurality of oil passages can be easily formed with a simple structure, and the number of assembly steps can be reliably reduced.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a first embodiment of a radiator tank with a built-in oil cooler of the present invention.

FIG. 2 II of the radiator tank with built-in oil cooler of FIG.
It is sectional drawing which follows the II line.

Fig. 3 II of the radiator tank with built-in oil cooler in Fig. 1
It is sectional drawing which follows the I-III line.

FIG. 4 is a sectional view showing a second embodiment of a radiator tank with a built-in oil cooler of the present invention.

[Fig. 5] V of the radiator tank with built-in oil cooler in Fig. 4
It is sectional drawing which follows the -V line.

Fig. 6 VI of radiator tank with built-in oil cooler in Fig. 4
It is sectional drawing which follows the VI line.

FIG. 7 is a cross-sectional view showing a third embodiment of a radiator tank with a built-in oil cooler of the present invention.

FIG. 8 is a sectional view showing a fourth embodiment of a radiator tank with a built-in oil cooler of the present invention.

FIG. 9 is a perspective view showing a conventional radiator tank with a built-in oil cooler.

FIG. 10 is a cross-sectional view showing a conventional radiator tank with a built-in oil cooler.

[Explanation of symbols]

 21 Tank Main Body 21b Right Side Opening 21c Left Side Opening 23, 51, 81, 103 Oil Tube 23a, 81a, 103a Right Side End 23b, 81b, 103b Left Side End 25 Oil Inflow Side Patch End 25a Insertion Hole 27 Oil Inflow Member 29a Communication hole 31 Oil outflow side patch end 31a Insertion hole 33 Oil outflow member 35a Communication hole 39a Oil inflow port 45a Oil outflow port 51a Upper end part 51b Lower end part 53 First patch end 53a First insertion hole 53b 2nd insertion hole 57 Oil inflow member 59a Communication hole 61 Oil outflow member 63a Communication hole 67a Oil inflow port 73a Oil outflow port 83 Oil inflow tank 85a Communication hole 85b Oil inflow port 89 Oil inflow side patch end 89a Oil inflow Hole 93 oil Outlet tank 95a Communication hole 95b Oil outflow port 99 Oil outflow side patch end 99a Oil outflow hole 105 Oil inflow tank 107a Communication hole 107b Oil inflow port 107c Oil outflow port 111 Partition wall 113 First patch end 113a Oil inflow hole 113b Oil Outflow hole 119 Oil passage tank 121a Communication hole

Claims (5)

[Claims] 1. A cylindrical tank main body (21) having openings (21b, 21c) formed at both ends thereof, and an oil tube (23) arranged inside the tank main body (21) in the axial direction. , The opening (21b) on one side of the tank body (21)
Located at one end of the oil tube (23) (23
a) An oil inlet side patch end (25) having an insertion hole (25a) formed therein, and one end portion (23a) of the oil tube (23) disposed outside the oil inlet side patch end (25). Communication hole (29a) into which the oil is inserted, and the oil inlet (39
a) An oil inflow member (27) formed with the opening (21c) on the other side of the tank body (21).
Located at the other end of the oil tube (23) (23
b), an oil outlet side patch end (31) having an insertion hole (31a) formed therein, and the other end (23b) of the oil tube (23) arranged outside the oil outlet side patch end (31). ) Is inserted, and the oil outlet (45a).
An oil outflow member (33) in which a) is formed, and a radiator tank with a built-in oil cooler. 2. A cylindrical tank main body (21) having an opening (21b) formed at least at one end, and one end (51a) and the other end arranged in the axial direction in the tank main body (21). The portion (51b) and the opening (2
1b) and an oil tube (51) which is open to the side, and one end (51a) and the other end (51b) of the oil tube (51) which are arranged in the opening (21b) of the tank body (21) are inserted. A pair of insertion holes (53
a, 53b) formed in the patch end (53), a communication hole (59a) disposed outside the patch end (53) and into which one end (51a) of the oil tube (51) is inserted, and an oil. An oil inflow member (57) in which an inflow port (67a) is formed, and a communication hole (63a) which is disposed outside the patch end (53) and into which the other end (51b) of the oil tube (51) is inserted. ), And an oil outflow member (61) in which an oil outlet (73a) is formed, and a radiator tank with a built-in oil cooler. 3. A cylindrical tank body (21) having openings (21b, 21c) formed at both ends thereof, and an oil tube (81) arranged inside the tank body (21) in the axial direction. , The opening (21b) on one side of the tank body (21)
An oil inflow tank (83) having a communication hole (85a) disposed inside the oil tube (81), into which one end (81a) of the oil tube (81) is inserted, and an oil inflow port (85b), and the oil inflow. The oil inlet (85) of the oil inflow tank (83) disposed outside the oil inflow tank (83).
b), an oil inflow side patch end (89) having an oil inflow hole (89a) communicating therewith, and the opening (21c) on the other side of the tank body (21).
An oil outflow tank (93) having an oil outlet (95b) and a communication hole (95a) disposed inside the oil tube (81) into which the other end (81b) of the oil tube (81) is inserted; The oil outlet (95) of the oil outflow tank (93) is arranged outside the outflow tank (93).
A radiator tank with a built-in oil cooler, comprising: an oil outflow side patch end (99) having an oil outflow hole (99a) communicating with b). 4. A cylindrical tank body (21) having an opening (21b) formed at least at one end, and an oil tube (103) arranged in the tank body (21) in the axial direction. One end portion (1) of the oil tube (103) arranged inside the opening portion (21b) of the tank body (21)
03a) is inserted into the communication hole (107a), and an oil inlet / outlet (107b) and an oil outlet (107c) are formed in the oil inflow / outflow tank (105), and the oil inflow / outflow tank (105). Of the oil inflow / outflow tank (105), which is disposed inside the oil inflow / outflow tank (105) and divides the oil inflow / outflow tank (105) into the oil inflow port (107b) side and the oil outflow port (107c) side. An oil inflow hole (113a) that is arranged outside and communicates with the oil inflow port (107b) of the oil inflow / outflow tank (105) is formed, and the oil inflow / outflow tank (10) is formed.
The patch end (11) in which an oil outflow hole (113b) communicating with the oil outflow port (107c) of 5) is formed.
3) and the opening (21b) inside the tank body (21)
An oil passage tank (119) formed on the opposite side of the oil tube (103) and having a communication hole (121a) into which the other end (103b) of the oil tube (103) is inserted; Radiator tank with built-in oil cooler. 5. The radiator tank with built-in oil cooler according to claim 1, wherein the oil tube (23, 51, 81, 103) is a multi-hole pipe. Radiator tank with built-in cooler.