CN108612837B

CN108612837B - Transmission case shell

Info

Publication number: CN108612837B
Application number: CN201810705574.7A
Authority: CN
Inventors: 王玉山; 范煜; 程玉成; 严建文; 时春生; 付冬生; 汪海明; 李岩
Original assignee: Anhui Siyuan Sanqing Intelligent Manufacturing Co ltd
Current assignee: Anhui Siyuan Sanqing Intelligent Manufacturing Co ltd
Priority date: 2018-07-02
Filing date: 2018-07-02
Publication date: 2020-11-10
Anticipated expiration: 2038-07-02
Also published as: CN108612837A

Abstract

The invention discloses a transmission case shell, which comprises a case main body for mounting a transmission part, and also comprises an air duct, a fan assembly and a heat conducting part, wherein the air duct comprises an air inlet duct and a circulating air duct, the air inlet duct is symmetrically arranged on the left side surface and the right side surface of the outside of the case main body, the air inlet duct is a linear channel with a horizontal bottom, the inlet area of the channel is smaller than the outlet area, the circulating air duct is a reversed-square-shaped channel which is connected end to end, openings are symmetrically arranged on the circulating air duct, the circulating air duct is arranged on the front end surface, the rear end surface, the left side surface and the right side surface of the inside of a main case body, and the projections of the circulating air duct on the left side surface and the right side surface fall into the projections of the air inlet duct on the left side surface and the right side surface, the production heat is less, the resources and the cost are saved, and the cooling process is rapid and efficient.

Description

Transmission case shell

Technical Field

The invention belongs to the technical field of vehicle parts, and particularly relates to a transmission case shell.

Background

The transmission case is a box-shaped part for supporting and containing various transmission mechanisms, and is widely applied due to the functions of sealing, dust prevention, heat insulation, sound insulation, lubricating oil storage, protection and the like, but the common transmission case has poor heat dissipation effect and can shorten the service life of parts inside the transmission case.

In the prior art, heat dissipation of a transmission case is accelerated by cooling fins arranged on the outer side of the transmission case, only the surface of the transmission case can be cooled, and a transmission mechanism cannot be cooled.

Chinese patent CN201620578511.6, a heat abstractor for transmission case is introduced, the power distribution box comprises a box body, the air vent has all been seted up at the top and the left side board of box, the inside of box is provided with the gear, the downside of gear is provided with the effluent water sump, the left side of gear is provided with the water storage box, the water storage box top is provided with the water pump, the water pump has the shower nozzle through water piping connection, the right side of gear is provided with the cooling chamber, the downside of cooling chamber is provided with the air-cooler, one side of cooling chamber is provided with the intake pipe, the top of cooling chamber is provided with the blast pipe, the inside of cooling chamber. This a heat abstractor for transmission case can in time discharge the heat of transmission incasement portion and go, can be regularly spray water for the gear and cool down, and the exhaust water can fall into the effluent water sump, can cool off the steam that the transmission incasement portion produced, reduces the inside temperature of transmission case, and the radiating effect is good, prolongs the life of transmission incasement part. Although this technical scheme can dispel the heat in the transmission case, especially has certain radiating effect to drive structure, but the practicality is not strong, can't guarantee to satisfy the sealed requirement of transmission case moreover.

Disclosure of Invention

The invention aims to provide a transmission case shell, which utilizes air flow as power to blow air in the transmission case, so that hot air originally remained in a transmission mechanism is exhausted, the hot air can be absorbed by a heat conduction bottom plate to finally achieve the effect of cooling the interior of the transmission case, the cooling effect is obvious, other power is not used, and the aluminum heat is environment-friendly and has low cost.

In order to solve the technical problems, the invention adopts the technical scheme that:

a transmission housing comprising a shell body for mounting transmission components, further comprising an air duct, a fan assembly, heat conducting components, wherein:

the air channel comprises an air inlet channel and a circulating air channel, the air inlet channel is symmetrically arranged on the left side surface and the right side surface of the outer part of the shell main body, the air inlet channel is a linear channel with a horizontal bottom, the inlet area of the channel is smaller than the outlet area, the circulating air channel is a reversed-square-shaped channel connected end to end, openings are symmetrically arranged on the circulating air channel, the circulating air channel is arranged on the front end surface, the rear end surface, the left side surface and the right side surface of the inner part of the shell main body, and the projections of the circulating air channel on the left side surface and;

the fan assembly comprises a plurality of forward fans, a plurality of backward fans, mounting parts, a transmission shaft and power fans, the power fans are rotatably mounted on the left side surface and the right side surface of the shell main body by the aid of the mounting parts, the power fans are positioned at the downstream in the air inlet duct, the forward fans and the backward fans are the same in number and are in transmission connection with the power fans by the aid of the transmission shaft, the forward fans and the backward fans are rotatably mounted in circulating air ducts on the left side surface and the right side surface in the shell main body respectively, and openings of the circulating air ducts are opposite to the forward fans and the backward fans;

the heat conducting component comprises a heat conducting bottom plate, heat conducting columns and radiating fins, the heat conducting bottom plate is arranged at the bottom of the circulating air duct, the radiating fins are arranged on the left side face and the right side face outside the shell main body and located on the upper stream of the air inlet duct, the heat conducting columns are arranged on the shell main body in a penetrating mode, and the two ends of the heat conducting columns are fixedly connected with the heat conducting bottom plate and the radiating fins respectively.

Furthermore, the heat conduction column comprises a pipe sleeve, carbon nano tubes and high-temperature-resistant sealing fillers, the carbon nano tubes are vertically arranged in the pipe sleeve, two ends of the carbon nano tubes are fixedly connected with the heat conduction bottom plate and the radiating fins respectively, and the high-temperature-resistant sealing fillers are filled in the pipe sleeve.

Furthermore, the mounting component comprises a bearing, an annular sealing cover and a sealing rubber ring, a mounting through hole is formed in the side wall of the shell body where the downstream of the air inlet duct is located, the bearing is mounted in the mounting through hole, the annular sealing cover is fixedly mounted at the front end and the rear end of the bearing, and the sealing rubber ring is arranged at the inner ring of the annular sealing cover.

The invention has the beneficial effects that:

1. the power parts such as a motor and the like are not used, the environment is protected, the cost is reduced, the power of the power fan comes from flowing air, the transmission case is installed in a vehicle, the flowing air can be continuously sucked in during the running and moving process of the vehicle, after the air inlet duct is added, the flowing air can drive the power fan to rotate rapidly and continuously, the power fan is installed on the transmission shell by using the installation part, the gap between the annular seal cover closed bearing and the installation through hole is worthy of trust and reliable, the seal rubber ring seals the gap between the annular seal cover and the transmission shaft reliably, namely, the installation part has good sealing performance, and the problem of leakage caused by the fact that the power fan is installed is avoided.

2. The cooling effect is good, use the power fan to drive the rotation of positive rotating fan, blow the air in the transmission case, thereby the heat that drive mechanism produced is thoroughly blown away, the anti-rotating fan that is driven by the power fan absorbs the air and enters into the circulation wind channel, it can be clear that the region at positive rotating fan place can form the negative pressure region owing to blowing the air to the outside, the air in the circulation wind channel can be discharged by the opening at positive rotating fan place, anti-rotating fan can be with external air suction to the circulation wind channel in, so form an air cycle, and produce the power of circulation and be basically not thermal, the heat conduction bottom plate that sets up at the circulation wind channel can absorb the heat in the air, and guide to the fin by the heat conduction post, the heat dissipation is quick, the environmental protection is high-efficient.

3. Sealing performance, on the basis of original transmission case casing increase two sets of through-holes, a set of through-hole is the installation through-hole promptly, and the leakproofness of installation through-hole is worth trusting, and another group of through-hole is that the installation pipe box is the heat conduction post promptly, can fill fillers such as glass cement between pipe box and the through-hole sealed, and sealed effect is also worth trusting, on the basis of the sealing performance of original transmission case casing of not destroying, has improved heat dispersion greatly.

In conclusion, the invention has simple structure, greatly increases the heat radiation performance on the basis of ensuring the sealing performance of the transmission case shell, generates the power for the rotation of the forward rotating fan and the reverse rotating fan by driving the power fan to rotate through the air flow, has less production heat, saves resources and cost, and has quick and high-efficiency cooling process.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a cross-sectional view of the present invention;

fig. 2 is a cross-sectional view of the fan assembly of the present invention.

Fig. 3 is a sectional view of a heat conductive member of the present invention.

Wherein: the heat-conducting type air conditioner comprises a shell main body-1, an air duct-2, a fan assembly-3, an air inlet duct-4, a circulating air duct-5, an opening-6, a forward rotating fan-7, a reverse rotating fan-8, a mounting part-9, a transmission shaft-10, a power fan-11, a heat conducting part-12, a heat conducting bottom plate-13, a heat conducting column-14, a heat radiating fin-15, a pipe sleeve-16, a carbon nano tube-17, a high-temperature resistant sealing filler-18, a bearing-19, an annular sealing cover-20, a sealing rubber ring-21 and a mounting through hole-22.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

Referring to the drawings, a transmission case comprises a case main body 1 for mounting transmission components, an air duct 2, a fan assembly 3 and a heat conducting component 12, wherein:

the air duct 2 comprises an air inlet duct 4 and a circulating air duct 5, wherein the air inlet duct 4 is symmetrically arranged on the left side surface and the right side surface outside the shell main body 1, the air inlet duct 4 is a linear channel with a horizontal bottom, the inlet area of the channel is smaller than the outlet area, the structural design of the channel greatly improves the flow velocity of air entering the channel, the circulating air duct 5 is a back-and-forth-shaped channel connected end to end, openings 6 are symmetrically arranged on the circulating air duct 5, the openings 6 are the only way for air to enter and exit the circulating air duct 5, the circulating air duct 5 is arranged on the front end surface, the rear end surface, the left side surface and the right side surface inside the shell main body 1, and the projections of the circulating air duct 5 on the left side surface and the right side surface fall into the projections of the air inlet duct.

The fan assembly 3 comprises a plurality of forward fans 7, reverse fans 8, mounting parts 9, a transmission shaft 10 and power fans 11, wherein the power fans 11 are rotatably mounted on the left side surface and the right side surface of the shell main body 1 by the aid of the mounting parts 9, the power fans 11 are located at the downstream in the air inlet duct 4, the forward fans 7 and the reverse fans 8 are in the same number and are in transmission connection with the power fans 11 by the aid of the transmission shaft 10, the forward fans 7 and the reverse fans 8 are respectively rotatably mounted in the circulating air duct 5 on the left side surface and the right side surface in the shell main body 1, openings 6 of the circulating air duct 5 are opposite to the forward fans 7 and the reverse fans 8, wind power in opposite directions generated by the forward fans 7 and the reverse fans 8 is obviously known, the forward fans 7 can be set to blow outwards, and the reverse fans 8 suck wind inwards.

The heat conducting component 12 comprises a heat conducting bottom plate 13, a heat conducting column 14 and a heat radiating fin 15, the heat conducting bottom plate 13 is arranged at the bottom of the circulating air duct 5, the heat radiating fin 15 is arranged on the left side surface and the right side surface outside the shell main body 1 and is positioned at the upper stream of the air inlet duct 4, the heat conducting column 14 is arranged on the shell main body 1 in a penetrating way, two ends of the heat conducting column are fixedly connected with the heat conducting bottom plate 13 and the heat radiating fin 15 respectively, the heat conducting column 14 comprises a pipe sleeve 16, a carbon nano tube 17 and a high-temperature resistant sealing filler 18, the carbon nano tube 17 is vertically arranged in the pipe sleeve 16, two ends of the carbon nano tube 17 are fixedly connected with the heat conducting bottom plate 13 and the heat radiating fin 15 respectively, the high-temperature resistant sealing filler 18 is filled in the pipe sleeve, the.

The mounting part 9 comprises a bearing 19, an annular sealing cover 20 and a sealing rubber ring 21, a mounting through hole 22 is arranged on the side wall of the shell body 1 at the downstream of the air inlet duct 4, the bearing 19 is mounted in the mounting through hole 22, the annular sealing cover 20 is fixedly mounted at the front end and the rear end of the bearing 19 and seals a gap between the bearing 19 and the mounting through hole 22, and the sealing rubber ring 21 is arranged at the inner ring of the annular sealing cover 20 and seals the gap between the transmission shaft 10 and the annular sealing cover 20.

The working principle is as follows:

in the advancing process of the vehicle, air flowing fast enters the air inlet duct 4 and is accelerated in the air inlet duct 4, the flowing air drives the power fan 11 to rotate, so that the forward rotating fan 7 and the reverse rotating fan 8 start to rotate, the air flowing outwards generated by the forward rotating fan 7 drives the air in the transmission box and extrudes hot air in the transmission mechanism, the reverse rotating fan 8 sucks the air in the transmission box into the circulating air duct 5, the heat in the air is absorbed by the heat conducting bottom plate 13, and negative pressure is formed in the area where the forward rotating fan 7 is located, so that the air in the circulating air duct 5 is discharged, air circulation is formed, heat exchange is also carried out continuously, and the heat dissipation speed is greatly improved.

The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A transmission housing comprising a shell body for mounting a transmission component, characterized in that: still include wind channel, fan assembly, heat-conducting component, wherein:

2. The transmission housing of claim 1, wherein: the heat conducting column comprises a pipe sleeve, carbon nano tubes and high-temperature-resistant sealing filler, wherein the carbon nano tubes are vertically arranged in the pipe sleeve, two ends of the carbon nano tubes are fixedly connected with the heat conducting bottom plate and the radiating fins respectively, and the high-temperature-resistant sealing filler is filled in the pipe sleeve.

3. The transmission housing of claim 1, wherein: the mounting component comprises a bearing, an annular sealing cover and a sealing rubber ring, a mounting through hole is formed in the side wall of the shell body where the downstream of the air inlet duct is located, the bearing is mounted in the mounting through hole, the annular sealing cover is fixedly mounted at the front end and the rear end of the bearing, and the sealing rubber ring is arranged at the inner ring of the annular sealing cover.