CN210920057U

CN210920057U - Heat radiation structure after automobile transmission improves

Info

Publication number: CN210920057U
Application number: CN201921408999.8U
Authority: CN
Inventors: 吴光平; 周世华
Original assignee: Shiyan Chaolida Industry And Trade Co ltd
Current assignee: Shiyan Chaolida Industry And Trade Co ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-07-03
Anticipated expiration: 2029-08-28

Abstract

The utility model provides an improved heat dissipation structure of an automobile gearbox, which comprises a box body; the method is characterized in that: the surface shaft hole of the box body is connected with a bearing in an interference fit manner, and the bearing is respectively arranged at the input shaft end and the output shaft end of the box body at two positions; the inner wall of the box body is connected with radiating fins by welding, and the radiating fins are uniformly arranged on the inner side of the box body in four places; an oil inlet pipe is installed on the right side of the oil cooler, and a cooling pipe is connected above the oil inlet pipe through gluing; an oil outlet pipe is arranged on the left side of the oil cooler, and the upper end of the oil outlet pipe is connected with a cooling pipe through gluing; the other end of the cooling pipe is connected with a cooling bent pipe through gluing, and the other end of the cooling bent pipe is connected with a cooling pipe on the other side through gluing; the oil cooler is connected to the lower portion of the box body through the bolts, and therefore the distribution of the cooling pipes in the liquid cooling gearbox is changed compared with that of the cooling pipes in the existing liquid cooling gearbox, the cooling device in the gearbox is enabled to dissipate heat more evenly, and the heat dissipation efficiency is improved.

Description

Heat radiation structure after automobile transmission improves

Technical Field

The utility model belongs to gearbox heat dissipation field, more specifically say, in particular to heat radiation structure after motor transmission improves.

Background

It is known that the temperature of a gearbox is quite high, when the oil temperature of the gearbox is too high, gear shifting and acceleration can become late, and when the vehicle walks, the vehicle can step on an accelerator more forcefully, so that the oil consumption can rise violently. In the existing automobile with the automatic gearbox, oil in the gearbox is very easy to overheat, the performance of the gearbox is reduced due to overheat of the oil, and even the gearbox is damaged, so that the oil in the gearbox must be cooled, 90% of gearbox damage is caused by high temperature, the gearbox does not have obvious fault phenomenon in high-temperature use, long-time high temperature can cause aging of a sealing element inside the gearbox, a plastic part is embrittled, the lubricating performance of the oil is reduced, the service life of an electrical element is shortened, the oil temperature of the gearbox must be measured frequently, and problems are solved in time.

The present chinese utility model patent, for example patent No. cn201521066102.x, discloses a gearbox with a gear cooling device, which is described basically as: the device includes gearbox body and heat sink, the heat sink includes compressor and cooling tube, the compressor is fixed in gearbox body outer wall, the feed liquor pipe other end connection drain pipe is connected to compressor one end, the feed liquor pipe passes the gearbox body and is connected with the cooling tube that sets up in gearbox body inside wall, and gearbox body is passed to cooling tube one end and is connected with turbo mechanism, the drain pipe is connected to turbo mechanism one end, gearbox body inside wall still is equipped with infrared temperature measuring device, heat sink all with main control board electric connection.

Based on the above patent description, it can be seen that the heat dissipation of the transmission case is not uniform due to the heat dissipation pipes installed at both sides of the transmission case in the operation of the transmission case similar to that of the patent, and the temperature around the gear at the middle of the transmission case is high and is not easy to dissipate heat.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and an improved heat dissipation structure of an automobile transmission is provided to achieve a more practical purpose.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a heat radiation structure after motor transmission improves to because the cooling tube is installed on the gearbox both sides in the gearbox work of solution in being similar to this patent, it is inhomogeneous to lead to the gearbox heat dissipation, the peripheral temperature of gear is higher and difficult radiating problem in the middle of the gearbox.

The utility model relates to a heat radiation structure's after motor transmission improves purpose and efficiency is reached by following specific technological means:

an improved heat dissipation structure of an automobile gearbox comprises a box body and an oil cooler; the method is characterized in that: the surface shaft hole of the box body is connected with a bearing in an interference fit manner, and the bearing is respectively arranged at the input shaft end and the output shaft end of the box body at two positions; the box body is provided with ten connecting holes; the inner wall of the box body is connected with radiating fins by welding, and the radiating fins are uniformly arranged on the inner side of the box body in four places; an oil inlet pipe is installed on the right side of the oil cooler, and a cooling pipe is connected above the oil inlet pipe through gluing; an oil outlet pipe is arranged on the left side of the oil cooler, and the upper end of the oil outlet pipe is connected with a cooling pipe through gluing; the other end of the cooling pipe is connected with a cooling bent pipe through gluing, and the other end of the cooling bent pipe is connected with a cooling pipe on the other side through gluing; and an oil cooler is connected below the box body through a bolt.

Furthermore, two sides of the inner surface of the box body are respectively provided with two grooves, and the bending track of the grooves in the box body conforms to the bending shape of the inner surface of the box body.

Furthermore, the cooling pipe is a bent pipe body, the cooling pipe is bent along with the bending track of the groove in the box body, and the cooling pipe is located in the groove of the box body.

Furthermore, the cooling elbow is a wave-shaped pipe body, and the cooling elbow is connected with two ends of the cooling pipe on the left side and the right side of the box body.

Furthermore, the radiating fins are metal sheets with heat conductivity and are arranged around the inner surface of the box body.

Compared with the prior art, the utility model discloses following beneficial effect has:

this design has carried out the improvement on the structure on the basis of current gearbox, mainly reflects in: the cooling device is characterized in that a plurality of grooves are formed in two sides of the inner side of the box body of the structure, the cooling device is used for placing cooling pipes, the cooling pipes are attached to the inner sides of the cooling pipes, the temperature on the wall of the box body can be absorbed more, the inner walls of the two sides of the box body are cooled, the cooling pipes are arranged on the upper side and the lower side of the cooling pipes, the cooling pipes on the two sides are connected with the cooling pipes, the upper side and the lower side of the inner part of the box body are located, the cooling pipes are bending pipes, the contact area of the cooling pipes with the air in the box body is increased, the heat dissipation efficiency is improved, cooling fins are additionally arranged on the inner wall of the box body, the contact area of the inner wall and the air in the box body is increased, the box body is connected with the external air, heat is conveniently transmitted to the.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a schematic view of the structure of the heat sink of the present invention.

Fig. 4 is a schematic view of the structure of the fixing frame of the present invention.

Fig. 5 is a schematic view of the cooling tube structure of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a box body; 2. connecting holes; 3. an oil cooler; 301. an oil inlet pipe; 302. an oil outlet pipe; 4. a cooling tube; 401. cooling the bent pipe; 5. a heat sink; 6. and a bearing.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides an improved heat dissipation structure of an automobile gearbox, which comprises a box body 1 and an oil cooler 3; the method is characterized in that: the surface shaft hole of the box body 1 is connected with a bearing 6 through interference fit, and the bearing 6 is respectively arranged at the input shaft end and the output shaft end of the box body 1 at two parts; ten connecting holes are formed in the box body 1; the inner wall of the box body 1 is connected with radiating fins 5 through welding, and the radiating fins 5 are uniformly arranged on the inner side of the box body 1 in four parts; an oil inlet pipe 301 is installed on the right side of the oil cooler 3, and a cooling pipe 4 is connected above the oil inlet pipe 301 through gluing; an oil outlet pipe 302 is arranged on the left side of the oil cooler 3, and the upper end of the oil outlet pipe 302 is connected with a cooling pipe 4 through gluing; the other end of the cooling pipe 4 is connected with a cooling bent pipe 401 through gluing, and the other end of the cooling bent pipe 401 is connected with the cooling pipe 4 on the other side through gluing; and an oil cooler 3 is connected below the box body 1 through a bolt.

Two grooves are formed in two sides of the inner surface of the box body 1 respectively, the bending track of the inner groove of the box body 1 conforms to the bending shape of the inner surface of the box body 1 and is formed, the box body 14 of the structure is shown, when the cooling pipe 4 is convenient to install in the groove, the cooling pipe 4 is made to be attached to the inner wall of the box body 1, the area of the cooling pipe 4 contacting with the box body 1 is increased, the heat dissipation efficiency of the box body 1 is improved, and the probability that the gearbox is damaged due to high temperature is reduced.

The cooling pipe 4 is a bent pipe body, the cooling pipe 4 is bent along with the bending track of the inner groove of the box body 1, the cooling pipe 4 is located in the groove of the box body 1, the cooling pipe 4 with the structure is shown in fig. 5, the cooling pipe 4 is bent according to the bending trend of the inner wall of the box body 1, the cooling pipe 4 is installed in the groove, the cooling pipe 4 is made to be attached to the inner wall of the box body 1, the area of the cooling pipe 4 contacting with the box body 1 is increased, and the heat dissipation of the box body 1 is more uniform.

The cooling bent pipe 401 is a wavy pipe body, the cooling bent pipe 401 is connected to two ends of the cooling pipe 4 on the left side and the right side of the box body 1, the cooling bent pipe 401 of the structure is shown in fig. 2, the wavy cooling bent pipe 401 is located above the box body 1, the cooling bent pipe 401 is bent in a wavy shape, the contact area of the cooling bent pipe 401 and the air in the box body 1 is increased, the cooling bent pipe 401 is divided into three parts above the box body, the cooling bent pipe 401 is connected to the cooling pipe 4 on the left side and the right side, the middle part of the box body 1 is mainly used for heat dissipation.

The radiating fins 5 are metal thin plates with thermal conductivity, the radiating fins 5 are arranged around the inner surface of the box body 1, and the radiating fins 5 with the structure are shown in fig. 3, so that the contact area between the inside of the box body 1 and air is increased, more heat is contacted with the radiating fins 5, the heat is transferred to the box body 1, and then the heat is radiated through the contact between the box body 1 and the outside air.

The specific use mode and function of the embodiment are as follows:

the utility model discloses in, install the derailleur, the derailleur during operation, oil cold machine 3 begins to advance oil pipe 301 with the cooling oil input, advance oil pipe 301 with oil input cooling tube 4, cooling tube 4 and cooling return bend 401, advance oil pipe 301, it forms with oil cold machine 3 to go out oil pipe 302 and be connected, cooling tube 4 dispels the heat to the both sides inner wall of box 1, wave structure's cooling return bend 401 is located box 1's upper and lower survey mid portion, carry out the air heat dissipation in the box 1, the inhomogeneous problem of current heat abstractor heat dissipation has been solved, to sum up, can see out, change than the inside cooling tube 4 distribution of current liquid cooling gearbox, make the cooling device heat dissipation in the gearbox more even, improved the radiating efficiency.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. An improved heat dissipation structure of an automobile gearbox comprises a box body (1) and an oil cooler (3); the method is characterized in that: the bearing (6) is connected to a surface shaft hole of the box body (1) in an interference fit manner, and the bearing (6) is divided into two parts which are respectively arranged at the input shaft end and the output shaft end of the box body (1); ten connecting holes are formed in the box body (1); the inner wall of the box body (1) is connected with radiating fins (5) through welding, and the radiating fins (5) are uniformly arranged on the inner side of the box body (1) in four parts; an oil inlet pipe (301) is installed on the right side of the oil cooler (3), and a cooling pipe (4) is connected above the oil inlet pipe (301) through gluing; an oil outlet pipe (302) is installed on the left side of the oil cooler (3), and the upper end of the oil outlet pipe (302) is connected with a cooling pipe (4) through gluing; the other end of the cooling pipe (4) is connected with a cooling bent pipe (401) through gluing, and the other end of the cooling bent pipe (401) is connected with a cooling pipe (4) on the other side through gluing; the lower part of the box body (1) is connected with an oil cooler (3) through a bolt.

2. The improved heat dissipation structure for an automobile transmission as recited in claim 1, wherein: two sides of the inner surface of the box body (1) are respectively provided with two grooves, and the curved track of the grooves in the box body (1) conforms to the curved shape of the inner surface of the box body (1).

3. The improved heat dissipation structure for an automobile transmission as recited in claim 1, wherein: the cooling pipe (4) is a bent pipe body, the cooling pipe (4) is bent along the bending track of the groove in the box body (1), and the cooling pipe (4) is located in the groove of the box body (1).

4. The improved heat dissipation structure for an automobile transmission as recited in claim 1, wherein: the cooling bent pipe (401) is a wavy pipe body, and the cooling bent pipe (401) is connected with two ends of the cooling pipe (4) on the left side and the right side of the box body (1).

5. The improved heat dissipation structure for an automobile transmission as recited in claim 1, wherein: the radiating fins (5) are metal sheets with heat conductivity, and the radiating fins (5) are arranged around the inner surface of the box body (1).