Gearbox oil cooler

Abstract

The utility model provides a gearbox oil cooler which comprises a plurality of sets of radiating pipes arranged in parallel at intervals, the two ends of each radiating pipe are connected with a first side liquid collecting pipe and a second side liquid collecting pipe respectively, and the side wall of each first side liquid collecting pipe is connected with an oil inlet pipe and an oil outlet pipe. A middle partition plate is arranged in the first side liquid collecting pipe, the interior of the first side liquid collecting pipe is divided into an upper cavity and a lower cavity by the middle partition plate, one end of the upper half radiating pipe is communicated with the upper cavity, one end of the lower half radiating pipe is communicated with the lower cavity, and the other end of the radiating pipe is communicated with a single cavity in the second side liquid collecting pipe; the oil inlet pipe is communicated with the upper cavity, and the oil outlet pipe is communicated with the lower cavity. The gearbox oil cooler solves the problem that oil inlet and outlet pipeline assemblies of an existing gearbox oil cooler are arranged on the two sides and are difficult to be arranged in an engine compartment of a hybrid vehicle type.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories, in particular to a transmission oil cooler. Background Art

[0002] With the development of technology, the power system of automobiles is becoming more and more complex, hybrid vehicles and extended-range vehicles are gradually increasing, and the application of automatic transmissions is becoming more and more extensive. During the operation of the transmission, lubricating oil is needed to lubricate the gears, and the lubricating oil needs to ensure a certain degree of dilution. The lubricating oil brings the heat generated by the gears to the oil cooler, and the oil cooler exchanges heat with the air to achieve cooling. The appropriate temperature ensures the transmission efficiency of the transmission, ensures that the transmission runs at a certain temperature, and achieves the insulation of the lubricating oil. Some existing transmission oil coolers have their inlet and outlet oil pipeline assemblies respectively arranged on the left and right sides of the heat dissipation pipe group. Due to the limited layout space of the engine compartment of hybrid vehicles and the compact assembly of parts, this structure is not suitable for the layout of some hybrid vehicles, so it is necessary to invent a new transmission oil cooler. Utility Model Content

[0003] The utility model aims to provide a transmission oil cooler, which solves the problem that the existing transmission oil cooler has oil inlet and outlet pipeline components arranged on both sides and is difficult to be arranged in the engine compartment of a hybrid vehicle.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A gearbox oil cooler comprises a plurality of groups of heat dissipation tubes arranged in parallel and at intervals, wherein the two ends of the heat dissipation tubes are respectively connected to a first side collecting tube and a second side collecting tube, and the side wall of the first side collecting tube is connected to an oil inlet pipe and an oil outlet pipe; a middle partition is arranged in the first side collecting tube, and the middle partition separates the interior of the first side collecting tube into an upper chamber and a lower chamber, wherein one end of the upper heat dissipation tube is communicated with the upper chamber, one end of the lower heat dissipation tube is communicated with the lower chamber, and the other end of the heat dissipation tube is communicated with a single chamber in the second side collecting tube; the oil inlet pipe is communicated with the upper chamber, and the oil outlet pipe is communicated with the lower chamber.

[0006] Preferably, in combination with the above scheme, the first side collecting pipe is provided with a first upper baffle and a first lower baffle at the two downward ends respectively, and the first upper baffle and the first lower baffle are used to seal the upper and lower ends of the first side collecting pipe respectively, and the middle partition is provided between the first upper baffle and the first lower baffle.

[0007] Preferably, in combination with the above scheme, a second upper baffle and a second lower baffle are respectively provided at the downward ends of the second side collecting pipe, and the second upper baffle and the second lower baffle seal the upper and lower ends of the first side collecting pipe to form a single chamber inside.

[0008] Preferably, in combination with the above solution, heat dissipation belts are fixedly connected between the heat dissipation pipes.

[0009] Preferably, in combination with the above solution, the heat dissipation belt is a multi-section bent corrugated structure.

[0010] Preferably, in combination with the above solution, a plurality of long partitions are arranged in parallel and at intervals inside the heat dissipation pipe, and a plurality of flow channels are formed inside the heat dissipation pipe.

[0011] Preferably, in combination with the above solution, both upper and lower ends of the first side collecting pipe and the second side collecting pipe are provided with fixed side plates, and the structure of the fixed side plates is the same as that of the heat dissipation pipe.

[0012] Preferably, in combination with the above solution, a sealing gasket is provided on the upper end surface of the fixed side plate.

[0013] Preferably, in combination with the above scheme, a first fixed bracket is fixedly connected to the side wall of the first side liquid collecting pipe, and the first fixed bracket is a T-shaped structure. The upper and lower ends of the first fixed bracket are respectively used to limit and support the oil inlet pipe and the oil outlet pipe, and the side wall of the first fixed bracket is connected to the radiator.

[0014] Preferably, in combination with the above solution, a second fixing bracket is fixedly connected to the side wall of the second side liquid collecting pipe, and the second fixing bracket is connected to the radiator.

[0015] Beneficial effects of the utility model: The utility model divides two chambers in the first side liquid collecting pipe and connects the oil inlet pipe and the oil outlet pipe respectively. Since the oil inlet pipe and the oil outlet pipe are arranged on the same side of the vehicle body, it is more conducive to the layout of the oil pipeline, and solves the problem of parts layout space in the engine compartment of some hybrid models.

[0016] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a structural diagram of a transmission oil cooler.

[0018] Figure 2 This is an exploded view of a transmission oil cooler of the utility model.

[0019] Figure 3 It is a front view of a transmission oil cooler of the utility model.

[0020] Figure 4 for Figure 3 A magnified view of the structure of part I.

[0021] Figure 5It is a cross-sectional view of the assembly structure of the first side liquid collecting pipe and the heat dissipation pipe in the utility model.

[0022] Figure 6 It is a cross-sectional view of the assembly structure of the second side liquid collecting pipe and the heat dissipation pipe in the utility model. DETAILED DESCRIPTION

[0023] like Figures 1 to 6 A transmission oil cooler shown in the figure comprises a plurality of groups of heat dissipation tubes 1 arranged in parallel and at intervals (a total of 18 heat dissipation tubes 1 are arranged in the present embodiment), the two ends of the heat dissipation tube 1 are respectively connected with a first side collecting tube 4 and a second side collecting tube 5, a plurality of connecting grooves are arranged in parallel from top to bottom on the side walls of the first side collecting tube 4 and the second side collecting tube 5 for inserting and connecting the heat dissipation tube 1, an oil inlet pipe 6 and an oil outlet pipe 7 are connected on the side wall of the first side collecting tube 4; a middle partition plate 42 is arranged in the first side collecting tube 4, and the middle partition plate 42 separates the interior of the first side collecting tube 4 into an upper chamber 401 and a lower chamber 402, wherein one end of the upper half heat dissipation tube 1 (the upper half in the present embodiment is 9 heat dissipation tubes) is communicated with the upper chamber 401, one end of the lower half heat dissipation tube 1 (the lower half in the present embodiment is also 9 heat dissipation tubes) is communicated with the lower chamber 402, and the other end of the heat dissipation tube 1 is communicated with the single chamber 501 in the second side collecting tube 5. The oil inlet pipe 6 is communicated with the upper chamber 401, and the oil outlet pipe 7 is communicated with the lower chamber 402; the upper chamber 401 and the oil inlet pipe 6 are connected together by brazing, and the lower chamber 402 and the oil outlet pipe 7 are connected together by brazing.

[0024] In order to seal the upper and lower ends of the first side collecting pipe 4, the downward ends of the first side collecting pipe 4 are respectively provided with a first upper baffle 41 and a first lower baffle 43. The first upper baffle 41 and the first lower baffle are respectively used to seal the upper and lower ends of the first side collecting pipe 4. The middle partition 42 is arranged between the first upper baffle 41 and the first lower baffle 43, and divides the first side collecting pipe 4 into an upper chamber 401 and a lower chamber 402.

[0025] In order to seal the upper and lower ends of the second side collecting pipe 5, the downward ends of the second side collecting pipe 5 are respectively provided with a second upper baffle 51 and a second lower baffle 52. The second upper baffle 51 and the second lower baffle 52 seal the upper and lower ends of the first side collecting pipe 4 and form a single chamber 501 therein.

[0026] In order to increase the heat dissipation effect and improve the heat dissipation efficiency, heat dissipation belts 2 are fixedly connected between the heat dissipation pipes 1 .

[0027] In order to achieve a better heat dissipation effect, the heat dissipation belt 2 is a multi-section curved corrugated structure. This structure can not only increase the heat dissipation area, but also allow the radiator wind to pass through the V-shaped gap of the heat dissipation belt 2 to take away the heat.

[0028] In order to increase the turbulence of the oil during flow and achieve better heat conduction and heat dissipation effects, a number of long partitions are arranged in parallel at intervals inside the heat dissipation pipe 1, and a number of flow channels are formed inside the heat dissipation pipe 1.

[0029] In order to play a fixing and supporting role, the upper and lower ends of the first side collecting pipe 4 and the second side collecting pipe 5 are both provided with fixed side plates 3, and the structure of the fixed side plates 3 is the same as that of the heat dissipation pipe 1, that is, two heat dissipation pipes 1 are used to replace the traditional side plates, which can achieve less parts and save a set of side plate production molds. The fixed side plates 3 are not connected to the chambers in the first side collecting pipe 4 and the second side collecting pipe 5, and do not participate in the cooling of the lubricating oil.

[0030] In order to seal the gap between the air guide plate and the oil cooler to prevent hot air from flowing back, a sealing gasket is provided on the upper end surface of the fixed side plate 3.

[0031] In order to facilitate fixation to the entire vehicle, a first fixing bracket 8 is fixedly connected to the side wall of the first side liquid collecting pipe 4. The first fixing bracket 8 is a T-shaped structure. The upper and lower ends of the first fixing bracket 8 are respectively used to limit and support the oil inlet pipe 6 and the oil outlet pipe 7. The side wall of the first fixing bracket 8 is fixed to the radiator by screwing.

[0032] In order to facilitate fixation to the whole vehicle, a second fixing bracket 9 is fixedly connected to the side wall of the second side liquid collecting pipe 5, and the second fixing bracket 9 is connected and fixed to the radiator by screwing.

[0033] Principle of the utility model:

[0034] The hot lubricating oil of the gearbox enters the upper chamber 401 of the first side collecting pipe 4 from the oil inlet pipe 6, and enters the inlet of the upper heat dissipation pipe 1 from the upper chamber 401, and flows into the single chamber 501 of the second side collecting pipe 5 from the outlet of the upper heat dissipation pipe 1. Then, the lubricating oil after a cooling process flows from the single chamber 501 of the second side collecting pipe 5 into the lower heat dissipation pipe 1, and flows into the lower chamber 402 of the first side collecting pipe 4. After the second cooling process, it flows back to the gearbox from the oil outlet pipe 7. The overall flow path in the oil cooler is U-shaped.

[0035] In the description of the present invention, it should be understood that terms such as "upper", "lower", "front", "back", "left", "right", "bottom", "inside", "outside", "one end", "one side", "two ends", "both sides", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0036] The utility model is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or they are directly applied to other occasions, they all fall within the protection scope of the utility model.

Claims

1. A gearbox oil cooler, comprising a plurality of groups of heat dissipation pipes (1) arranged in parallel and spaced apart, wherein two ends of the heat dissipation pipes (1) are respectively connected to a first side collecting pipe (4) and a second side collecting pipe (5), wherein: An oil inlet pipe (6) and an oil outlet pipe (7) are connected to the side wall of the first side collecting pipe (4); a middle partition plate (42) is arranged in the first side collecting pipe (4), and the middle partition plate (42) separates the interior of the first side collecting pipe (4) into an upper chamber (401) and a lower chamber (402), wherein one end of the upper heat dissipation pipe (1) is communicated with the upper chamber (401), one end of the lower heat dissipation pipe (1) is communicated with the lower chamber (402), and the other end of the heat dissipation pipe (1) is communicated with the single chamber (501) in the second side collecting pipe (5); the oil inlet pipe (6) is communicated with the upper chamber (401), and the oil outlet pipe (7) is communicated with the lower chamber (402).

2. The transmission oil cooler according to claim 1, characterized in that: A first upper baffle plate (41) and a first lower baffle plate (43) are respectively provided at the two downward ends of the first side liquid collecting pipe (4); the first upper baffle plate (41) and the first lower baffle plate are respectively used to seal the upper and lower ends of the first side liquid collecting pipe (4); and the middle baffle plate (42) is provided between the first upper baffle plate (41) and the first lower baffle plate (43).

3. The transmission oil cooler according to claim 1, characterized in that: The second side collecting pipe (5) is provided with a second upper baffle (51) and a second lower baffle (52) at the two downward ends respectively. The second upper baffle (51) and the second lower baffle (52) seal the upper and lower ends of the first side collecting pipe (4) to form a single chamber (501) therein.

4. The transmission oil cooler according to claim 1, characterized in that: A heat dissipation belt (2) is fixedly connected between the heat dissipation pipes (1).

5. The transmission oil cooler according to claim 4, characterized in that: The heat dissipation belt (2) is a multi-section bent corrugated structure.

6. The transmission oil cooler according to claim 1, characterized in that: A plurality of long partitions are arranged in parallel and at intervals inside the heat dissipation pipe (1), and a plurality of flow channels are formed inside the heat dissipation pipe (1).

7. The transmission oil cooler according to claim 1, characterized in that: The upper and lower ends of the first side liquid collecting pipe (4) and the second side liquid collecting pipe (5) are both provided with fixed side plates (3), and the structure of the fixed side plates (3) is the same as that of the heat dissipation pipe (1).

8. The transmission oil cooler according to claim 7, characterized in that: The upper end surface of the fixed side plate (3) is provided with a sealing gasket.

9. The transmission oil cooler according to claim 1, characterized in that: A first fixing bracket (8) is fixedly connected to the side wall of the first side liquid collecting pipe (4); the first fixing bracket (8) is a T-shaped structure; the upper and lower ends of the first fixing bracket (8) are respectively used for limiting and supporting the oil inlet pipe (6) and the oil outlet pipe (7); and the side wall of the first fixing bracket (8) is connected to the radiator.

10. The transmission oil cooler according to claim 1, characterized in that: A second fixing bracket (9) is fixedly connected to the side wall of the second side liquid collecting pipe (5), and the second fixing bracket (9) is connected to the radiator.

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