CN218400201U

CN218400201U - Active air inlet grille for heavy truck

Info

Publication number: CN218400201U
Application number: CN202222794334.3U
Authority: CN
Inventors: 张文博; 马玉金; 石莉娜; 李壮壮; 刘建峰; 窦鑫鹏
Original assignee: Shaanxi Heavy Duty Automobile Co Ltd
Current assignee: Shaanxi Heavy Duty Automobile Co Ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-01-31
Anticipated expiration: 2032-10-24

Abstract

The utility model relates to an active air inlet grille for heavy trucks, which comprises a frame, a connecting rod, a mounting plate, blades and a transmission mechanism; two ends of the frame are respectively provided with a connecting rod; the blades are respectively connected with the positioning plate A and the connecting rod and are fixed through the mounting plate; the transmission mechanism is arranged between the positioning plates B respectively arranged at the two ends of the frame and is fixedly connected with the connecting rods respectively arranged at the two ends of the frame; the transmission mechanism is connected with the power output end of a motor arranged on the heavy truck; synchronous opening and closing of the blade group are realized by adopting a coaxial driving connecting rod; the blades are integrally formed and are wrapped and protected by the sealing rubber sheet, and the sealing performance between the blades is guaranteed. And the blades are installed to the active air inlet grille framework through the installation plate, so that deformation of the blades caused by forced installation is avoided. Meanwhile, the limiting plate is additionally arranged on the active air inlet grille to protect the blades from over-rotation, so that the number of parts is reduced, and the blades are effectively prevented from being deformed in the over-rotation process.

Description

Active air inlet grille for heavy truck

Technical Field

The utility model relates to an automobile parts technical field especially relates to a heavily block with initiative air-inlet grille.

Background

The active air inlet grille is in an opening state and a closing state, so that when the active air inlet grille is in the closing state, the wind resistance of the whole automobile is favorably reduced, and the oil consumption of the whole automobile is reduced. The fuel consumption can be reduced by improving the running resistance and the fuel consumption level of the engine under the low-temperature working condition.

The mounting structure of the existing active air inlet grille, the blades and the active air inlet grille frame is unreasonable, the commonly used fixing structure of the blades and the active air inlet grille frame is in slide-in forced mounting, the corresponding frame mounting structure is easy to deform or damage after the blades are repeatedly dismounted, and after the active air inlet grille is assembled, the blades and the frame are matched to form a gap, so that the leakage amount is increased; also, as automobile technology develops, more and more parts need to be provided to the front end module of the automobile, for example, various sensors, such as a radar sensor, a camera, etc., need to be placed in the middle of the front end of the automobile with the intelligent driving assistance system. The placement position of a driving part of the existing active air inlet grille device is easy to conflict with the placement positions of a radar sensor, a camera and the like, so that the problem of spatial arrangement is caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides an active air inlet grille for heavy trucks, which solves the problem that a driving part needs to be arranged on two sides due to space limitation, and realizes the synchronous opening and closing of a blade group by adopting a coaxial driving connecting rod; the blades are integrally formed, and are wrapped and protected through the sealing rubber sheets, so that the sealing performance between the blades is guaranteed. And the blades are installed to the active air inlet grille framework through the installation plate, so that deformation of the blades caused by forced installation is avoided. Meanwhile, a limiting structure is added on the active air inlet grille to protect the blade from over-rotation, so that the number of parts is reduced, and the blade is effectively prevented from being deformed in the over-rotation process.

In order to solve the problems in the background art, the utility model discloses a realize through following technical scheme:

an active air inlet grille for a heavy truck comprises a frame, a connecting rod, a mounting plate, blades and a transmission mechanism; the two ends of the frame are respectively provided with the connecting rod; one end of the blade is connected with a positioning plate A arranged at the middle end of the frame through a blade rotating shaft; the other end of the blade is arranged at the lower end of the connecting rod through a blade rotating shaft and is fixed through the mounting plate; the transmission mechanism is arranged between the positioning plates B arranged at the two ends of the frame respectively and is fixedly connected with the connecting rods arranged at the two ends of the frame respectively; the transmission mechanism is connected with a power output end of a motor arranged on the heavy truck.

Preferably, the transmission mechanism comprises a driving shaft, an intermediate shaft and a driven shaft; the driving shaft is connected with the driven shaft key groove through the middle shaft and is fixed through a rivet; the driven shaft connecting part is matched with the intermediate shaft through a key groove and fixedly connected through a rivet; the mounting block arranged on the driven shaft mounting part is arranged in a mounting hole with an angle of 90 degrees, which is formed in the positioning plate B, and is fixedly connected with the upper end of the connecting rod through a rivet; the driving shaft connecting part is matched with the middle shaft key groove and fixedly connected with the middle shaft key groove through a rivet; the mounting block arranged on the driving shaft mounting part is arranged in a mounting hole with an angle of 90 degrees, which is formed in the positioning plate B, and is fixedly connected with the upper end of the connecting rod through a rivet; and the power input end arranged on the driving shaft mounting part penetrates through the mounting hole formed in the positioning plate B and is connected with the power output end of the motor arranged on the heavy truck.

Preferably, a limiting plate is arranged between the positioning plate A and the connecting rod, the blades are arranged in a limiting groove formed in the limiting plate, and the blades are respectively connected with the positioning plate A and the connecting rod.

Preferably, the lower ends of the connecting rod and the positioning plate A are respectively provided with a rotating shaft mounting hole with an angle of 90 degrees, and one end of each blade passes through a blade rotating shaft, is arranged in a rotating shaft mounting hole arranged at the lower end of the connecting rod and is fixed through the mounting plate; the other end of the blade is arranged in a rotating shaft mounting hole formed in the positioning plate A through a blade rotating shaft.

Preferably, the blades are integrally formed by injection molding of a PA6-GF30 material and are wrapped by a sealing rubber sheet for protection.

Preferably, the frame is fixedly connected with the chassis.

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

1. by redesigning the transmission mechanism, the driving part can control the transmission mechanism through the side surface, the used space in the middle of the active air inlet grille is reduced, and more parts can be placed in the used space in the middle of the active air inlet grille.

2. The synchronous opening and closing of the blades are realized by driving a connecting rod through a transmission mechanism; meanwhile, the blades are integrally formed and are wrapped for protection, so that the sealing property between the blades is ensured; and the active air inlet grille framework is installed to the active air inlet grille framework through the installation plate, so that deformation of the blades caused by forced installation is avoided.

3. Through increase limit structure on initiative air-inlet grille, rotate the protection excessively to the blade, reduce part quantity and effectively avoid the blade to produce the deformation in the process of rotating excessively.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the closed state of the blades of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken at B-B of FIG. 2;

fig. 5 is a right side view schematic structural view of the present invention;

FIG. 6 is a schematic view of the frame of FIG. 1;

FIG. 7 is a schematic view of the blade of FIG. 1;

FIG. 8 is a schematic view of the mounting plate of FIG. 1;

FIG. 9 is a schematic view of the mounting structure of the blades, the mounting plate, the connecting rods and the driving shaft in FIG. 1;

FIG. 10 is a schematic view of the structure of the connecting rod of FIG. 1;

fig. 11 is a schematic view of the structure of the intermediate shaft in fig. 1.

Description of the reference numerals

1. A frame; 2. a drive shaft; 3. a connecting rod; 4. mounting a plate; 5. an intermediate shaft; 6. a blade; 7. a driven shaft; 8. positioning a plate A; 9. positioning a plate B; 10. and a limiting plate.

Detailed Description

Example 1

As shown in fig. 1-6, the active air intake grille for heavy truck comprises a frame 1, a connecting rod 3, a mounting plate 4, a blade 6 and a transmission mechanism; two ends of the frame 1 are respectively provided with a connecting rod 3; one end of the blade 6 is connected with a positioning plate A8 arranged at the middle end of the frame 1 through a blade rotating shaft; the other end of the blade 6 is arranged at the lower end of the connecting rod 3 through a blade rotating shaft and is fixed through a mounting plate 4; the transmission mechanism is arranged between the positioning plates B9 respectively arranged at the two ends of the frame 1 and is fixedly connected with the connecting rods 3 respectively arranged at the two ends of the frame 1; the transmission mechanism is connected with a power output end of a motor arranged on the heavy truck.

The frame 1 is fixedly connected with the chassis.

The rest chassis of the frame 1 are fixedly connected, and the transmission mechanism is designed again, so that the motor of the driving part can control the transmission mechanism through the side surface, the use space in the middle of the active air inlet grille is reduced, and more parts can be placed in the use space in the middle of the active air inlet grille; the output end of the motor is connected with the transmission mechanism, the transmission mechanism is controlled by the motor to act, the transmission mechanism drives the connecting rod 3 to act synchronously, and the connecting rod 3 drives the blades 6 to act synchronously, so that the blades 6 are opened or closed, and the active air inlet grille is opened and closed.

Example 2

As shown in FIG. 7, the blade 6 is integrally formed by injection molding of PA6-GF30 material and is wrapped by a sealing rubber sheet for protection. Blade integrated into one piece to use the rubber seal to wrap up the protection, this structure has effectively avoided initiative inlet structure because the blade warp or sealed not good under the practical application state, can not reach initiative air-inlet grille's airtight effect, and the intensity of blade is guaranteed to the structure of blade indent simultaneously.

Example 3

As shown in fig. 8-11, the transmission mechanism includes a driving shaft 2, an intermediate shaft 5, and a driven shaft 7; the driving shaft 2 is connected with a driven shaft 7 through an intermediate shaft 5 in a key way and is fixed through a rivet; the connecting part of the driven shaft 7 is matched with the intermediate shaft 5 through a key groove and fixedly connected through a rivet; the mounting block arranged on the mounting part of the driven shaft 7 is arranged in a mounting hole with an angle of 90 degrees, which is formed in the positioning plate B9, and is fixedly connected with the upper end of the connecting rod 3 through a rivet; the connecting part of the driving shaft 2 is matched with the key groove of the intermediate shaft 5 and fixedly connected with the intermediate shaft through a rivet; the mounting block arranged on the mounting part of the driving shaft 2 is arranged in a mounting hole with an angle of 90 degrees, which is formed in the positioning plate B9, and is fixedly connected with the upper end of the connecting rod 3 through a rivet; the power input end arranged on the mounting part of the driving shaft 2 passes through the mounting hole arranged on the positioning plate B9 and is connected with the power output end of the motor arranged on the heavy truck. The driving shaft 2 is connected with the driven shaft 7 through the middle shaft 5 in a key way and is fixed by rivets, so that the middle shaft 5 and the driven shaft 7 can coaxially and synchronously rotate along with the driving shaft 2, and the blades 6 are opened and closed; the blades 6 are fixed through the mounting plate 3, so that the deformation of the blades 6 caused by forced mounting is avoided; the installation hole of 90 degrees is arranged to limit the rotation angle of the driving shaft 2, so that the excessive overturning of the blade 6 caused by the overlarge rotation angle of the driving shaft 2 is avoided; and meanwhile, the key groove structures are fixed through rivets, so that the number of fixing pieces can be reduced, and the overall assembly efficiency is improved.

Be equipped with limiting plate 10 between locating plate A8 and the connecting rod 3, blade 6 locates the spacing inslot that limiting plate 10 was equipped with, and blade 6 is connected with locating plate A8 and connecting rod 3 respectively. Set up limiting plate 10 to be equipped with the limiting groove that limiting plate 10 was equipped with blade 6, carry out the auxiliary protection to blade 6 through the limiting groove, avoid blade 6's excessive upset.

The lower ends of the connecting rod 3 and the positioning plate A8 are respectively provided with a rotating shaft mounting hole with an angle of 90 degrees, one end of the blade 6 passes through the blade rotating shaft, is arranged in the rotating shaft mounting hole arranged at the lower end of the connecting rod 3 and is fixed through the mounting plate 4; the other end of the blade 6 is arranged in a rotating shaft mounting hole arranged on the positioning plate A8 through a blade rotating shaft. Connecting rod 3 and locating plate A8 set up 90 degrees swivel axis mounting holes, restrict the rotation angle of blade 6, prevent that blade 6 from excessively overturning.

Claims

1. An initiative air-inlet grille for heavy truck, characterized in that: comprises a frame (1), a connecting rod (3), a mounting plate (4), blades (6) and a transmission mechanism; the two ends of the frame (1) are respectively provided with the connecting rods (3); one end of the blade (6) is connected with a positioning plate A (8) arranged at the middle end of the frame (1) through a blade rotating shaft; the other end of the blade (6) is arranged at the lower end of the connecting rod (3) through a blade rotating shaft and is fixed through the mounting plate (4); the transmission mechanism is arranged between the positioning plates B (9) respectively arranged at the two ends of the frame (1) and is fixedly connected with the connecting rods (3) respectively arranged at the two ends of the frame (1); the transmission mechanism is connected with a power output end of a motor arranged on the heavy truck.

2. Active grille shutter for heavy trucks according to claim 1, characterized in that said transmission comprises a driving shaft (2), an intermediate shaft (5) and a driven shaft (7); the driving shaft (2) is connected with the driven shaft (7) through the middle shaft (5) in a key way and is fixed through rivets; the connecting part of the driven shaft (7) is matched with the intermediate shaft (5) through a key groove and fixedly connected through a rivet; the mounting block arranged on the mounting part of the driven shaft (7) is arranged in a mounting hole with an angle of 90 degrees, which is formed in the positioning plate B (9), and is fixedly connected with the upper end of the connecting rod (3) through a rivet; the connecting part of the driving shaft (2) is matched with the key groove of the intermediate shaft (5) and fixedly connected with the intermediate shaft through a rivet; the mounting block arranged on the mounting part of the driving shaft (2) is arranged in a mounting hole with an angle of 90 degrees, which is formed in the positioning plate B (9), and is fixedly connected with the upper end of the connecting rod (3) through a rivet; and a power input end arranged on the mounting part of the driving shaft (2) penetrates through a mounting hole formed in the positioning plate B (9) and is connected with a power output end of a motor arranged on the heavy truck.

3. The active grille shutter for heavy trucks according to claim 1, characterized in that a limiting plate (10) is provided between the positioning plate a (8) and the connecting rod (3), the blades (6) are provided in a limiting groove provided by the limiting plate (10), and the blades (6) are respectively connected with the positioning plate a (8) and the connecting rod (3).

4. The active grille shutter for heavy truck according to claim 3, wherein the connecting rod (3) and the positioning plate A (8) are provided at their lower ends with rotation shaft mounting holes with an angle of 90 degrees, and one end of the vane (6) passes through the vane rotation shaft, is disposed in the rotation shaft mounting hole provided at the lower end of the connecting rod (3), and is fixed by the mounting plate (4); the other end of the blade (6) is arranged in a rotating shaft mounting hole formed in the positioning plate A (8) through a blade rotating shaft.

5. The active grille shutter for heavy trucks of claim 4, characterized in that said blades (6) are integrally injection-molded with PA6-GF30 material and covered with a rubber seal protection.

6. Active grille shutter for heavy truck according to claim 1, characterized in that the frame (1) is fixedly connected to the chassis.