Crankcase cover with high heat exchange performance

Abstract

The utility model provides a crankcase cover with high heat exchange performance, and belongs to the field of crankcases. The crankcase cover solves the problem that an existing crankcase cover is poor in heat exchange performance. The crankcase cover with the high heat exchange performance comprises a crankcase cover body, a heat exchange device is arranged on the crankcase cover body, a connecting base is further arranged at the outer end of the crankcase cover body, the interior of the connecting base is of a hollow structure, a plurality of connecting fins are arranged in the connecting base, the heat exchange device is installed on the crankcase cover body, and the end of the heat exchange device penetrates out of the crankcase cover body. The heat exchange device comprises a connecting base with a heat exchange cavity, a plurality of heat conduction core rods and a connecting end cover, the connecting end cover and the connecting base are fixedly installed, the heat conduction core rods are of hollow structures, the ends of the heat conduction core rods penetrate through the connecting end cover and penetrate into the heat exchange cavity, a partition plate is arranged in the heat exchange cavity, and the heat exchange cavity can be divided into a left cavity body and a right cavity body through the partition plate. And two heat exchange tubes are further arranged on the connecting seat. The heat exchanger has the advantage of high heat exchange performance.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the crankcase, relates to a crankcase cover, especially a high heat transfer performance crankcase cover. BACKGROUND

[0002] The heat transfer performance of the crankcase cover of an internal combustion engine directly affects the operation efficiency and reliability of the engine as a key heat protection component. With the popularization of turbocharging technology and high-power density engines, the heat load of the cover increases exponentially, and the traditional heat dissipation design faces severe challenges. Moreover, the existing crankcase cover is mostly made of a single metal plate structure, which has problems such as low heat dissipation efficiency, uneven temperature field distribution, and high-temperature deformation. SUMMARY

[0003] The utility model discloses a high heat transfer performance crankcase cover to solve the above problems.

[0004] The utility model discloses a high heat transfer performance crankcase cover, which is characterized by comprising a cover main body, the cover main body is provided with a detachable heat exchange device, the outer end of the cover main body is also provided with a connecting seat which is convenient for the connection of the crankshaft and enhances the heat dissipation effect, the connecting seat is provided in a hollow structure, and a plurality of connecting fins are arranged inside.

[0005] The heat exchange device is installed on the cover main body, and the end portion penetrates out of the cover main body.

[0006] The heat exchange device comprises a heat exchange seat with a heat exchange cavity, a plurality of heat conduction core rods arranged in a U-shaped structure and used for efficient heat exchange, and a connecting end cover used for fixing the heat conduction core rods.

[0007] The connecting end cover is fixedly installed with the heat exchange seat, and the heat conduction core rod is arranged in a hollow structure, and the end portion penetrates into the heat exchange cavity inside the connecting end cover.

[0008] The heat exchange cavity has a partition plate inside, and the heat exchange cavity can be divided into a left cavity and a right cavity through the partition plate, wherein the connecting seat is also provided with two heat exchange pipes which are connected with the left cavity and the right cavity respectively, and the U-shaped bend of the heat conduction core rod penetrates into the crankcase body, and the two end portions are fixed on the connecting end cover and are connected with the left cavity and the right cavity respectively.

[0009] In the above high heat transfer performance crankcase cover, the cover main body is also provided with a mounting step for the installation of the heat exchange device, and the center portion of the mounting step has a through hole for the penetration of the heat conduction core rod.

[0010] In the high heat exchange performance crankcase cover, the heat exchange pipe is connected to cold gas fluid or cold fluid, and the U-shaped heat conduction core rod is used to achieve the flow circulation, so that the heat transfer efficiency is improved.

[0011] In the high heat exchange performance crankcase cover, the heat conduction core rods are arranged in a stacked structure from inside to outside, and the sizes of the heat conduction core rods increase from inside to outside, so that the heat conduction transmission effect is formed.

[0012] Compared with the prior art, the high heat exchange performance crankcase cover has the following advantages:

[0013] 1. The U-shaped heat conduction core rod is combined with the double-cavity design and the cold fluid circulation, the heat exchange efficiency is significantly improved, the heat distribution is optimized by the step-by-step heat conduction structure, the heat accumulation is avoided, and the heat exchange device is detachable (such as the mounting step and the through hole), so that the heat conduction core rod can be replaced or cleaned, and the maintenance cost is reduced.

[0014] 2. The cold gas or liquid cooling medium can be input, the heat dissipation mode can be flexibly selected according to the working condition requirement, the crankcase cover is balanced by the multi-stage heat conduction, the fluid circulation and the modular design, high-efficiency heat dissipation and structure optimization are realized, and the crankcase cover is suitable for high-power or long-time running engine scenes. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a three-dimensional structure schematic diagram of the utility model.

[0016] Figure 2 is a three-dimensional structure schematic diagram of the heat exchange device inside the utility model.

[0017] In the drawing, 1 is a cover main body, 2 is a heat exchange device, 3 is a connecting seat, 4 is a connecting fin, 5 is a heat exchange seat, 6 is a heat conduction core rod, 7 is a connecting end cover, 8 is a mounting step, 9 is a heat exchange pipe, and 10 is a partition plate. DETAILED DESCRIPTION

[0018] The following is a specific embodiment of the utility model and is combined with the drawings, and the technical scheme of the utility model is further described, but the utility model is not limited to these embodiments.

[0019] As Figure 1 , Figure 2As shown, the high heat exchange performance crankcase cover, comprising a cover body 1, the cover body 1 is provided with a detachable heat exchange device 2, the outer end of the cover body 1 is further provided with a connecting seat 3 which is convenient for the crankshaft to pass in and connect and strengthen the heat dissipation effect, the connecting seat 3 is provided in a hollow structure, and a plurality of connecting fins 4 are arranged inside, the heat exchange device 2 is installed on the cover body 1, and the end part penetrates out of the cover body 1, the heat exchange device 2 comprises a heat exchange seat 5 with a heat exchange cavity, a plurality of heat conduction core rods 6 arranged in a U-shaped structure and used for high-efficiency heat exchange, and a connecting end cover 7 used for fixing the heat conduction core rods 6, the connecting end cover 7 is fixedly installed with the heat exchange seat 5, the heat conduction core rod 6 is arranged in a hollow structure, the end part penetrates into the heat exchange cavity through the connecting end cover 7, the heat exchange cavity has a partition plate 10 inside, the heat exchange cavity can be divided into a left cavity and a right cavity through the partition plate 10, the heat exchange cavity is divided into the left and right cavities by the partition plate 10, independent cold and hot fluid channels are formed, mixing of the cold and hot fluids is avoided, the temperature difference is maximized, and the heat transfer effect is strengthened, wherein the connecting seat 3 is further provided with two heat exchange pipes 9 which are respectively connected with the left cavity and the right cavity, and the U-shaped bending corners of the heat conduction core rod 6 penetrate into the crankcase body, and the two end parts are fixed on the connecting end cover 7 and are respectively connected with the left cavity and the right cavity, the bending part of the U-shaped heat conduction core rod 6 penetrates into the crankcase, directly contacts a high-temperature area, heat exchange is realized through fluid flow in the hollow structure, the residence time of the fluid in the high-temperature area is prolonged, and the heat exchange efficiency is improved.

[0020] The U-shaped heat conduction core rod 6 is combined with cold fluid circulation in the double-cavity design, the heat exchange efficiency is significantly improved, the heat conduction structure is optimized in stages to optimize heat distribution and avoid heat accumulation, and the heat exchange device 2 is designed to be detachable (such as an installation step 8 and a through hole), so that the heat conduction core rod 6 can be replaced or cleaned, and the maintenance cost is reduced.

[0021] Preferably, the cover body 1 is further provided with an installation step 8 which is convenient for the heat exchange device 2 to be installed, and the center part of the installation step 8 has a through hole, so that the heat conduction core rod 6 can pass in.

[0022] Further, in order to improve the heat exchange efficiency of the crankcase cover, one heat exchange pipe 9 can be connected to cold gas fluid or cold fluid, and the heat conduction core rod 6 adopts a flow-through mode to improve the heat transfer efficiency, the cold fluid (such as cooling liquid or gas) enters the left cavity or the right cavity through one heat exchange pipe 9, flows through the hollow U-shaped heat conduction core rod 6, absorbs heat in the crankcase, and is discharged from the other heat exchange pipe 9, cold gas or liquid cooling medium can be input, the heat dissipation mode can be flexibly selected according to the working condition, and the crankcase cover realizes the balance between high-efficiency heat dissipation and structural optimization through multi-stage heat conduction, fluid circulation and modular design, and is suitable for high-power or long-time running engine scenes.

[0023] Further, in order to improve the heat exchange efficiency of the crankcase cover, the plurality of heat-conducting core rods 6 are sequentially stacked from inside to outside, and the size of the plurality of heat-conducting core rods 6 increases from inside to outside, thereby forming a step-by-step heat-conducting effect. The inner core rod quickly absorbs heat in the core area, and the outer core rod gradually expands the heat dissipation area, thereby achieving uniform heat dissipation and avoiding local overheating.

[0024] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

[0025] Although the terms are used more frequently herein, the possibility of using other terms is not excluded. The use of these terms is only for the convenience of describing and explaining the essence of the present application; any interpretation of them as any kind of additional limitation is contrary to the spirit of the present application.

Claims

1. A crankcase cover with high heat exchange performance, characterized in that, Includes a box cover body (1), the box cover body (1) is provided with a detachable heat exchange device (2), the outer end of the box cover body (1) is also provided with a connecting seat (3) that facilitates crankshaft insertion and connection and enhances heat dissipation effect, the connecting seat (3) is provided with a hollow structure and has multiple connecting fins (4) inside. The heat exchange device (2) is installed on the box cover body (1), and its end extends through the box cover body (1). The heat exchange device (2) includes a heat exchange seat (5) with a heat exchange cavity, a plurality of heat-conducting core rods (6) arranged in a U-shape and used for efficient heat exchange, and a connecting end cap (7) for fixing the heat-conducting core rods (6). The connecting end cap (7) is fixedly installed with the heat exchange base (5), and the heat-conducting core rod (6) is hollow, with its end penetrating through the connecting end cap (7) and into the heat exchange cavity. The heat exchange chamber has a partition (10) inside, and the heat exchange chamber can be divided into a left chamber and a right chamber through the partition (10). The connecting seat (3) is also provided with two heat exchange tubes (9) that are respectively connected to the left chamber and the right chamber. The U-shaped bend of the heat-conducting core rod (6) extends into the crankcase, and the two ends are fixed on the connecting end cover (7) and are respectively connected to the left chamber and the right chamber.

2. The crankcase cover with high heat exchange performance according to claim 1, characterized in that, The main body (1) of the box cover is also provided with an installation step (8) to facilitate the installation of the heat exchange device (2). The installation step (8) has a through hole in the center to facilitate the insertion of the heat-conducting core rod (6).

3. A crankcase cover with high heat exchange performance according to claim 1, characterized in that, One of the heat exchange tubes (9) can be connected to cold air or cold fluid, and the heat transfer efficiency can be improved by using a flow method through a U-shaped heat-conducting core rod (6).

4. A crankcase cover with high heat exchange performance according to claim 1, characterized in that, Multiple heat-conducting cores (6) are stacked sequentially from the inside to the outside, with their dimensions increasing sequentially from the inside to the outside, forming a step-by-step heat transfer effect.

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