CN111520223A

CN111520223A - Wind protection cover

Info

Publication number: CN111520223A
Application number: CN201910103621.5A
Authority: CN
Inventors: 李朝勇; 李晗; 安康彦; 田杰; 邓龙军
Original assignee: Shaanxi Heavy Duty Automobile Co Ltd
Current assignee: Shaanxi Heavy Duty Automobile Co Ltd
Priority date: 2019-02-01
Filing date: 2019-02-01
Publication date: 2020-08-11

Abstract

The invention relates to a wind protection cover which comprises a wind protection cover body made of PP materials, wherein the wind protection cover body adopts the integral injection molding one-step forming technology and comprises a wind protection ring, the wind protection ring comprises an inner ring and an outer ring, the length of the inner ring is shorter than that of the outer ring, the inner ring and the outer ring are combined to form a C-shaped groove, and an engine fan ring is arranged in the middle of the C-shaped groove. According to the wind protection cover provided by the invention, the whole wind protection cover is formed in one step through injection molding, secondary processing is not needed, the production efficiency is high, the product consistency is good, the dimensional precision is high, and the structure is reliable; the matching part of the air protection cover and the engine fan is designed into a C-shaped structure, so that the air quantity loss is reduced; the problems of large air quantity loss and poor assembly manufacturability of the traditional air protection cover are solved, and the effective air inlet quantity and the production efficiency are improved.

Description

Wind protection cover

Technical Field

The invention relates to the field of heavy-duty automobile part manufacturing, in particular to a plastic wind shield with a novel mounting structure, which is mainly used between a commercial automobile radiator and an engine fan.

Background

With the upgrade of global automobile emission standards, the demands of domestic markets for heavy automobile horsepower and torque are continuously improved, and compared with national V and VI high-efficiency SCR engines, the heat transferred to the coolant by the national VI EGR engine is increased by 20-25%, so that severe requirements are provided for a vehicle cooling system. The capacity of the cooling system is mainly determined by factors such as the good and bad performance of the radiator, the flow of the cooling liquid, the effective air quantity provided by the fan of the engine and the like. The performance of the fan protecting cover directly determines the air quantity passing through the radiator, and has important influence on the heat dissipation capacity of the cooling system.

Nowadays, more and more users pay attention to the driving comfort of the vehicle and pay attention to the noise index, and under the condition, the matched ring fan becomes the mainstream. However, the air quantity loss of the traditional air protection cover structure is large, meanwhile, the assembly manufacturability is poor, the assembly labor intensity is large, and the production efficiency is influenced. Therefore, it is a problem to be solved to design a wind shield with a new structure and a small air loss and good assembly manufacturability.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a wind protection cover to achieve the purpose of improving the effective air intake and the production efficiency.

In order to achieve the purpose, the invention provides a wind protection cover which is used for connecting a radiator and an engine fan and comprises a wind protection cover body, wherein the wind protection cover body is of an integral structure and is made of PP materials, the integral injection molding one-step forming technology is adopted, the wind protection cover body comprises a wind protection ring, the wind protection ring comprises an inner ring and an outer ring, the length of the inner ring is shorter than that of the outer ring, the inner ring and the outer ring are combined to form a C-shaped groove, and the engine fan is annularly arranged in the middle of the C-shaped groove.

Preferably, 2-5 bolt mounting holes are respectively formed in two side faces of the wind protection cover body, the wind protection cover body is connected with the radiator through bolts, and metal bushings are embedded in the bolt mounting holes so as to ensure that the wind protection cover body is reliably connected with the radiator and cannot be damaged or loosened due to improper tightening torque.

Preferably, the lower part of protecting the fan housing body is equipped with 2 ~ 4 card formula structures, card formula structure includes the card, the card with draw-in groove on the lower water chamber of radiator corresponds the setting, in order to ensure protect the fan housing body with lower water chamber contact surface closely laminates, the condition of leaking out can not appear, and convenient assembling simultaneously only needs to insert correspond in the complex draw-in groove on the lower water chamber can.

Preferably, the lower part of the fan guard body is provided with 2-4 limiting structures, and the limiting structures are provided with inverted U-shaped limiting grooves, so that the up-and-down displacement of the fan guard body is limited during assembly, and the assembly adjustment in the up-and-down direction and the left-and-right direction is facilitated.

Preferably, the upper portion of the fan guard body and the joint surface of the upper water chamber of the radiator are provided with 3-5 clamping piece mounting structures, so that after the fan guard body is assembled, the fan guard body is tightly attached to the upper water chamber, air leakage due to warping is avoided, and the clamping piece mounting structures are provided with long round holes.

Preferably, the outer side surface of the air protecting ring is provided with 2-3 water pipe fixing pipe clamps, and the water pipe fixing pipe clamps are of an unclosed annular structure, so that the installation and fixation of the water supplementing rubber pipe of the engine are facilitated.

Preferably, openings are respectively formed in the upper edge and the lower edge of the fan guard body, an installation space is reserved for the fan guard body, and the fan guard body is guaranteed not to interfere with the pipe orifice of the water inlet pipe and the water outlet pipe of the radiator.

Preferably, reinforcing ribs are additionally arranged on the back of the contact surface of the periphery of the fan guard body and the radiator so as to improve the strength of the fan guard body.

The fan cover provided by the invention is integrally formed in one step by injection molding by adopting a PP material without secondary processing, and has the advantages of high production efficiency, good product consistency, high dimensional precision and reliable structure; the matching part of the air protection cover and the engine fan is designed into a C-shaped structure, so that the air quantity loss is reduced; the problems of large air quantity loss and poor assembly manufacturability of the traditional air protection cover are solved, and the effective air inlet quantity and the production efficiency are improved.

Drawings

Fig. 1 is a schematic structural view of a wind guard provided in the present invention.

Fig. 2 is an enlarged view of A, B, C in fig. 1.

Fig. 3 is an enlarged view of D, E in fig. 1.

Fig. 4 is a sectional view taken along line G-G of fig. 1 and a partial enlarged view of H, I.

Description of the reference numerals

1 reinforcing rib and 2 bolt mounting holes

3 metal bush 4 limit structure

41 spacing groove 5 card type structure

51 card 6 clip mounting structure

7 inner ring of water pipe fixing pipe clamp 8

9 outer ring and 10 lower openings

11 upper opening 12 wind shield body

13 wind-protecting ring

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In explaining the embodiments of the present invention, if a detailed description of related well-known elements or functions obstructs the gist of the present invention, a detailed description thereof will be omitted.

Referring to fig. 1 to 4, the fan guard provided by the invention is used for connecting a radiator and an engine fan, and comprises a fan guard body 12, wherein the fan guard body 12 is of an integral structure and is made of a PP material, an integral injection molding one-step forming technology is adopted, the fan guard body 12 comprises a fan guard ring 13, the fan guard ring 13 is used for being matched and connected with the engine fan, the fan guard ring 13 comprises an inner ring 8 and an outer ring 9, the length of the inner ring 8 is 20-25 mm shorter than that of the outer ring 9, the inner ring 8 and the outer ring 9 are combined to form a C-shaped groove, the engine fan ring is installed in the middle of the C-shaped groove, and the matching part of the fan guard ring 13 and the engine fan is designed into a C-shaped groove structure.

The two side faces of the fan housing body 12 are respectively provided with 2-5 bolt mounting holes 2, the fan housing body 12 is fixed on the protective plate of the radiator through bolts, as shown in a diagram A in figure 2, metal bushings 3 are pre-embedded in the bolt mounting holes 2 to ensure that the fan housing body 12 is reliably connected with the radiator, and the fan housing body 12 cannot be damaged or loosened due to improper tightening torque.

The lower part of protecting fan housing body 12 is equipped with 2 ~ 4 card formula structures 5, as shown in C picture in fig. 2, card formula structure 5 include with draw-in groove on the lower hydroecium of radiator corresponds the card 51 that sets up, in order to ensure protect fan housing body 12 with lower hydroecium contact surface closely laminates, the condition of leaking out can not appear, convenient assembling simultaneously, only need with card 51 inserts correspond the complex on the lower hydroecium in the draw-in groove can.

The lower portion of the wind shield body 12 is provided with 2-4 limiting structures 4, as shown in a diagram B in fig. 2, the limiting structures 4 are provided with inverted U-shaped limiting grooves 41, which are helpful for limiting the vertical displacement of the wind shield body 12 during assembly and facilitating vertical and horizontal assembly and adjustment.

3-5 clamping piece mounting structures 6 are arranged on the upper portion of the fan guard body 12 and the joint surface of the upper water chamber of the radiator, so that after the fan guard body 12 is assembled, the fan guard body 12 is tightly attached to the upper water chamber, and air leakage due to warping is avoided, as shown in a diagram D in fig. 3, the clamping piece mounting structures 6 are provided with long round holes.

The outer side surface of the air protection ring 13 is provided with 2-3 water pipe fixing pipe clamps 7, so that the water replenishing rubber pipes of the engine can be conveniently installed and fixed, and as shown in E, F in figure 3, the water pipe fixing pipe clamps 7 are of an unclosed annular structure.

An upper opening 11 and a lower opening 10 are respectively arranged on the upper side and the lower side of the wind protection cover body, as shown in I, H in fig. 4, the upper opening 11 and the lower opening 10 reserve an installation space for the wind protection cover body 12, and it is ensured that the wind protection cover body 12 does not interfere with the pipe orifice of the water inlet pipe and the water outlet pipe of the radiator.

Reinforcing ribs 1 are additionally arranged on the back of the contact surface of the periphery of the fan housing body 12 and the radiator, so that the strength of the fan housing body 12 is improved.

Hereinafter, an assembling method of the wind guard according to the present invention will be described.

During assembly, the fan protection cover is arranged on the upper portion of the radiator, the card 51 is inserted into the clamping groove in the radiator, the fan protection cover is adjusted to a proper position according to the limiting structure 4, then the fan protection cover is fixed on the radiator through bolts, the clamping piece mounting structure 6 on the upper portion of the fan protection cover and the water feeding chamber are reliably fixed through the clamping pieces, and the fan protection cover is hoisted to the whole vehicle along with the cooling module after being subpackaged and is fixedly installed. The wind protection cover is made of PP materials, is integrally formed in one step by injection molding, and is high in production efficiency and good in product consistency; the metal bushing is embedded in the bolt mounting hole in the wind protection cover, the limiting structure and the card type structure are arranged at the lower part of the wind protection cover, the clamping piece mounting structure and the like are arranged at the upper part of the wind protection cover, and the reliability and the assembly manufacturability of the wind protection cover are improved; the outer side surface of the air protecting ring is provided with a water pipe fixing pipe clamp, so that the installation and the fixation of the water replenishing rubber pipe of the engine are facilitated; the matching part of the fan guard and the engine fan is designed into a C-shaped structure, so that the air quantity loss is reduced; compared with the traditional wind protection cover, the wind protection cover has small air quantity loss and reliable structure, and improves the production efficiency and the assembly efficiency.

The preferred embodiments of the present invention have been described in detail. However, the present invention is not limited to the above-described embodiments, and can be implemented in various forms. The embodiments disclosed in this specification are intended only to complete the disclosure of the present invention so that those skilled in the art will be fully aware of the scope of the invention provided herein. The protection scope of the present invention should be subject to the content of the claims.

Claims

1. A wind guard housing, comprising:

a wind shield body;

the method is characterized in that: the wind shield comprises a wind shield body and is characterized in that the wind shield body comprises a wind protection ring, the wind protection ring comprises an inner ring and an outer ring, the length of the inner ring is shorter than that of the outer ring, and the inner ring and the outer ring are combined to form a C-shaped groove.

2. The wind guard according to claim 1, wherein the wind guard body is a unitary structure.

3. A wind shroud according to claim 1 or 2, characterised in that the length of the inner ring is 20 to 25mm shorter than the length of the outer ring.

4. The wind protection cover according to claim 1 or 2, wherein 2-5 bolt mounting holes are respectively formed on two side surfaces of the wind protection cover body, and metal bushings are embedded in the bolt mounting holes.

5. The wind guard according to claim 1 or 2, wherein the lower portion of the wind guard body is provided with 2-4 card-type structures, and the card-type structures comprise cards.

6. The wind protection cover according to claim 1 or 2, wherein 2-4 limiting structures are arranged at the lower part of the wind protection cover body, and an inverted U-shaped limiting groove is arranged on each limiting structure.

7. The wind guard according to claim 1 or 2, wherein the wind guard body has 3-5 clip mounting structures on the upper portion thereof, and the clip mounting structures have oblong holes.

8. The wind guard according to claim 1 or 2, wherein 2-3 water pipe fixing pipe clamps are arranged on the outer side surface of the wind guard ring, and the water pipe fixing pipe clamps are of an unclosed annular structure.

9. A wind guard according to claim 1 or 2, wherein the upper and lower edges of the wind guard body are respectively provided with openings to reserve an installation space for the wind guard body.

10. The wind guard according to claim 1 or 2, wherein a reinforcing rib is added on the circumferential surface of the wind guard body to improve the strength of the wind guard body.