CN215521045U

CN215521045U - Three-section type flexible wind protection cover for military vehicle

Info

Publication number: CN215521045U
Application number: CN202120542715.5U
Authority: CN
Inventors: 张耀; 刘波; 刘彬; 赵岩
Original assignee: Dongfeng Off Road Vehicle Co Ltd
Current assignee: Dongfeng Off Road Vehicle Co Ltd
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2022-01-14
Anticipated expiration: 2031-03-16

Abstract

The utility model discloses a three-section flexible wind shield for military vehicles, which comprises a radiator end wind shield and an intercooler end wind shield, wherein the radiator end wind shield is arranged on a radiator and is arranged on an engine end wind shield of an engine; radiator end protects the fan housing with intercooler end protects the fan housing alternate segregation, is equipped with soft cotton of shock attenuation between the two, soft cotton one side fixed mounting of shock attenuation in intercooler protects the fan housing, opposite side fixed mounting in radiator end protects the fan housing, and engine end protects the fan housing still includes welded connection's engine end and protects fan housing rigid section and engine end and protects the flexible section of fan housing, flexible section is along the skirt structure of radially expanding, the skirt structure with radiator end protects the laminating of fan housing closely, has solved the vehicle and has gone the problem that the fan housing junction breaks away from easily and leaks wind or extrusion collision among the in-process.

Description

Three-section type flexible wind protection cover for military vehicle

Technical Field

The utility model relates to the technical field of military vehicle engine cooling systems, in particular to a three-section type flexible wind shield for a military vehicle.

Background

For heavy vehicles, especially for military high-horsepower vehicles, the engine cooling system of the heavy vehicles is generally equipped with a radiator, a fan guard and a mechanical fan, the mechanical fan is generally connected to the engine through the fan guard, the radiator and the mechanical fan are connected through the fan guard, the mechanical fan pumps air around the engine and takes away heat when the engine works, so as to achieve the effect of heat dissipation, the working efficiency of the mechanical fan is crucial to the cooling efficiency of the engine, the smaller the radial clearance between the mechanical fan and the fan protecting cover is, the higher the fan efficiency is, in the driving process, as the radiator and the engine belong to mutually moving parts, a unilateral gap with a certain distance needs to be designed, therefore, the mechanical fan cannot exert the maximum efficiency, and how to meet the requirement of mutual movement and ensure the air inlet efficiency is one of the technical difficulties of the heat dissipation and air protection cover of the engine of the heavy-duty vehicle.

The prior art mainly has the following defects: (1) when the multi-section wind protection cover is used as a heat dissipation channel of the engine, a clamp or rigid connection is adopted, and for heavy vehicles such as military vehicles and the like with complex driving road conditions, the heavy vehicles are easy to fall off during bumping, so that the channel formed by the multi-section wind protection cover is disconnected, and the heat dissipation efficiency of a heat dissipation system is influenced; (2) in the parallel layout of the radiator and the intercooler, a certain gap is reserved between the corresponding fan shields to prevent collision in the vibration process, but the gap affects the air supply efficiency of the radiator and the intercooler, and meanwhile, the damping effect is limited, flow field turbulence is easily caused, and the air inlet efficiency is affected.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects or improvement requirements of the prior art, the utility model provides a three-section type flexible wind shield for military vehicles, which is characterized in that the wind shield is connected with a radiator end wind shield in a self-attaching mode by adopting an engine end wind shield and the radiator end wind shield, the engine end wind shield also comprises an engine end wind shield rigid section and an engine end wind shield flexible section which are connected in a welding mode, the rigid section ensures the rigidity strength of the end connected with an engine, the flexible section is a skirt edge structure which is expanded along the radial direction, and the skirt edge structure is tightly attached to the radiator end wind shield, so that the problem that the connection part of the wind shield is easy to separate from air leakage or extrusion collision in the vehicle driving process is solved.

In order to achieve the above object, the present invention provides a three-section flexible wind shield for military vehicle, comprising:

the engine end air protection cover is arranged on the engine, the radiator end air protection cover is arranged on the radiator, and the intercooler end air protection cover is arranged on the intercooler;

the engine end wind protection cover is respectively in contact connection with the radiator end wind protection cover and the intercooler end wind protection cover;

the radiator end fan guard cover and the intercooler end fan guard cover are separated from each other, damping soft cotton is arranged between the radiator end fan guard cover and the intercooler end fan guard cover, one side of the damping soft cotton is fixedly installed on the intercooler fan guard cover, and the other side of the damping soft cotton is fixedly installed on the radiator end fan guard cover.

Further, the engine end wind shield comprises an engine end wind shield rigid section and an engine end wind shield flexible section, the engine end wind shield rigid section is of an annular structure, the engine end flexible section is of a skirt edge annular structure extending outwards in the radial direction, and the engine end wind shield rigid section and the engine end wind shield flexible section are connected through welding.

Further, the skirt edge annular structure is in contact connection with the radiator end fan housing and the intercooler end fan housing respectively.

Furthermore, the engine end wind shield further comprises a plurality of engine end wind shield mounting brackets, one end of each of the plurality of engine end wind shield mounting brackets is fixedly connected with the engine end wind shield, and the other end of each of the plurality of engine end wind shield mounting brackets is connected to the engine through a bolt.

In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:

1. the utility model provides a three-section type flexible wind shield for military vehicles, which is characterized in that an engine end wind shield and a radiator end wind shield are connected in a self-attaching mode, the engine end wind shield further comprises an engine end wind shield rigid section and an engine end wind shield flexible section which are connected in a welding mode, the rigid section ensures the rigidity strength of the connection end of the engine end and the flexible section is a skirt edge structure which is expanded along the radial direction, the skirt edge structure is tightly attached to the radiator end wind shield, and the problem that the connection part of the wind shield is easy to separate from air leakage or extrusion collision in the vehicle driving process is solved.

2. The utility model provides a three-section type flexible wind protection cover for military vehicles, wherein damping soft cotton is arranged between a radiator end wind protection cover and a intercooler end wind protection cover, so that in the vibration and bump process of vehicles, the wind path at the joint of a radiator and an intercooler is prevented from being broken, the smoothness of a heat dissipation channel is favorably kept, the collision of the radiator end wind protection cover and the intercooler end wind protection cover is buffered, the energy absorption effect is achieved, and the problem that the heat dissipation efficiency is reduced because gaps are easily generated in the wind path channels of the radiator and the intercooler is solved.

Drawings

FIG. 1 is a schematic structural view of a three-section flexible wind shield for military vehicles according to an embodiment of the present invention;

FIG. 2 is an exploded view of a three-section flexible wind shield for military vehicles according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a three-section flexible wind shield engine-end wind shield for a military vehicle according to an embodiment of the present invention.

In all the figures, the same reference numerals denote the same features, in particular: 1-radiator, 2-intercooler, 3-radiator end wind protection cover, 4-intercooler end wind protection cover, 5-engine end wind protection cover, 6-mechanical fan, 7-engine end wind protection cover mounting bracket, 8-engine end wind protection cover rigid section, 9-engine end wind protection cover flexible section and 10-damping soft cotton.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-3, the present invention provides a three-section flexible wind-protecting cover for military vehicles, which comprises a radiator-end wind-protecting cover 3, an intercooler-end wind-protecting cover 4 and an engine-end wind-protecting cover 5, wherein the engine-end wind-protecting cover 5 is bolted to an engine through a plurality of engine-end wind-protecting cover mounting brackets 7, and the engine-end wind-protecting cover 5 comprises an engine-end wind-protecting cover rigid section 8 and an engine-end wind-protecting cover flexible section 9, preferably, the engine-end wind-protecting cover rigid section 8 is an annular structure and is made of nylon glass fiber, the engine-end wind-protecting cover flexible section is a skirt annular structure extending radially outwards and is made of EPDM (Ethylene Propylene Diene Monomer, abbreviated as EPDM), the two sections are fixedly connected by welding, the radiator-end wind-protecting cover 3 and the intercooler-end wind-protecting cover 4 are respectively fixed to a radiator 1 and an intercooler 2 by bolts, in the running process of a vehicle, the skirt structure of the flexible section 9 of the engine end wind shield covers and wraps the radiator end wind shield 3 and the intercooler end wind shield 4, so that the self-pressing sealing of the engine end wind shield 5 is ensured, and when the engine end wind shield 5 and the intercooler end wind shield 4 are displaced greatly in the running process, the skirt structure can be tightly attached to the radiator end wind shield 3 when the flexible section 9 of the engine end wind shield deforms, so that the buffer capacity of the vehicle wind shield is ensured, the sealing performance inside the wind shield is realized, the wind loss is reduced, and the air supply efficiency of the mechanical fan 6 is improved.

Further, as shown in fig. 1, the radiator 1 and the intercooler 2 are arranged in parallel, so that the radiator-end wind-protecting cover 3 and the intercooler-end wind-protecting cover 4 cannot adopt an integral structure, preferably, both the radiator-end wind-protecting cover 3 and the intercooler-end wind-protecting cover 4 can be made of plastics, and a certain displacement is generated between the radiator-end wind-protecting cover 3 and the intercooler-end wind-protecting cover 4 due to vehicle vibration during driving, so that a damping soft foam 10 is installed at the joint and overlapped part of the radiator-end wind-protecting cover 3 and the intercooler-end wind-protecting cover 4, preferably, the damping soft foam 10 can be made of TPV (Thermoplastic vulcanate, TPV for short), the damping soft foam 10 is in a belt-shaped structure, one side of the damping soft foam is fixed on the radiator-end wind-protecting cover 3, the other side of the damping soft foam is fixed on the intercooler-end wind-protecting cover 5, and the damping soft foam 10 has the functions of reducing and absorbing vibration when the two displace, the air passage of the radiator 1 to the intercooler 2 is guaranteed to be smooth, air leakage is prevented from influencing the heat dissipation of an engine, furthermore, in a complex running environment of heavy vehicles such as military vehicles, parts are prone to loosening due to long-time vibration and bumping, the radiator end wind protection cover 3, the intercooler end wind protection cover 4 and the engine end wind protection cover 5 are made of light materials, the risk of loosening of a connecting part is reduced, and the overall portability of three sections of wind protection covers is improved.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the utility model, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a syllogic flexible fan housing for military vehicle which characterized in that includes:

the engine end wind shield is arranged on the engine, the radiator end wind shield (3) is arranged on the radiator (1), and the intercooler end wind shield (4) is arranged on the intercooler (2);

the engine end wind protection cover (5) is respectively in contact connection with the radiator end wind protection cover (3) and the intercooler end wind protection cover (4);

the heat radiator end wind protection cover (3) and the intercooler end wind protection cover (4) are separated from each other, soft damping cotton (10) is arranged between the heat radiator end wind protection cover and the intercooler end wind protection cover, one side of the soft damping cotton (10) is fixedly installed on the intercooler wind protection cover (4), and the other side of the soft damping cotton is fixedly installed on the heat radiator end wind protection cover (3).

2. The three-section flexible wind shield for military vehicles according to claim 1, wherein the engine-end wind shield (5) comprises an engine-end wind shield rigid section (8) and an engine-end wind shield flexible section (9), the engine-end wind shield rigid section (8) is of an annular structure, the engine-end flexible section (9) is of a skirt annular structure extending radially outwards, and the engine-end flexible section are connected by welding;

3. the three-section flexible cowl for military vehicles according to claim 2, wherein the skirt ring structure is connected in contact with the radiator-end cowl (3) and the intercooler-end cowl (4), respectively.

4. The military vehicle three-section flexible wind shield according to claim 1 or 2, wherein the engine end wind shield (5) further comprises an engine end wind shield mounting bracket (7), the engine end wind shield mounting bracket (7) is provided with a plurality of wind shield mounting brackets, one end of each wind shield mounting bracket is fixedly connected with the engine end wind shield (5), and the other end of each wind shield mounting bracket is bolted to an engine.