CN206242855U - A kind of watertight aircase water leak preventing structure - Google Patents

Abstract

The utility model discloses an anti-leakage structure of an air box, which comprises a structural body, the concave-convex welding edge welded on the upper side of the dash panel and the welding flanging welded on the upper side of the inner panel connecting the side wall, the concave-convex welding edge It is a drawing forming structure, the welding flanging is a flanging structure, the shape of the structural body is U-shaped, the upper surface of the structural body is the front windshield installation surface, and the side of the structural body is provided with a positioning avoidance holes and the installation main positioning hole and the installation auxiliary positioning hole, rectangular ventilation holes and irregular ventilation holes are arranged between the installation auxiliary positioning holes and the installation main positioning hole. The air box has a simple anti-leakage structure and a reasonable design. The structural body and welding parts are integrally drawn and formed. The concave-convex surface structure design makes the structural body have excellent rigidity, strength and good welding process.

Description

A kind of anti-leakage structure of air box

technical field

The utility model belongs to the technical field of auto parts, and in particular relates to a water leakage prevention structure of an air box.

Background technique

The rear end of the engine compartment of the vehicle body is equipped with fixed installation points such as wiper motors, blowers, condensers, and evaporators. These fixed points are concentrated on the structure of the air box. The structure is prone to water ingress from the air-conditioning electrical components in rainy days, resulting in water leakage in the cab. Therefore, it is necessary to design an air box leakage-proof structure with a compact structure, less water leakage, less corrosion, and more convenient installation.

Utility model content

The purpose of this utility model is to provide a water leakage prevention structure of an air box to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: an air box leak-proof structure, including a structural body, the structural body is welded to the concave-convex welding edge on the upper side of the dash panel and the welding on the upper side of the inner panel connected to the side wall Flanging, the concave-convex welding edge is a drawing forming structure, the welding flanging is a flanging structure, the shape of the structural body is set in a U shape, the upper surface of the structural body is the front windshield mounting surface, and the The side of the structure body is provided with a positioning avoidance hole, a main positioning hole for installation, and an auxiliary positioning hole for installation. A rectangular ventilation hole and an irregular ventilation hole are arranged between the auxiliary positioning hole for installation and the main positioning hole for installation. The rectangular ventilation hole and the The water storage tanks are separated by separating plates.

Preferably, the structural body and the concave-convex welding edge are integrally formed by stamping.

Preferably, the transition surface of the flange structure between the structural body and the welding flange is connected in an arc-shaped smooth transition.

Preferably, the rectangular ventilation holes and the irregular ventilation holes are installed on the side of the structural body and are integral.

Preferably, the inner panel is welded to the dash panel.

The technical effects and advantages of the utility model: the air box has a leak-proof structure, the structure body is welded on the bump welding edge on the dash panel and the welding flanging on the side wall inner panel, and the bump welding edge is a drawing forming structure, The welding flanging is a flanging structure. The structural body, the concave-convex welding edge, and the welding flanging are formed by stamping as a whole. The thickness is 0.08mm. The welding flanging and the side wall assembly are welded on the same plane. The transition surfaces are arc-shaped smooth transition connections, which can save materials and reduce the weight of the vehicle body. The mounting bracket has good rigidity, strength and good welding processability. The air box has a simple leak-proof structure and a reasonable design. The overall use of drawing forming, the use of concave and convex surface structure design makes the structure body have excellent rigidity, strength and good welding process.

Description of drawings

Fig. 1 is a structural schematic diagram of the overall structure of the air box leak-proof structure of the present invention.

Fig. 2 is a schematic diagram of the enlarged structure of the front panel of the utility model.

In the figure: 1 structure body, 2 concave-convex welding edge, 3 welding flange, 4 main positioning hole for installation, 5 rectangular ventilation hole, 6 irregular ventilation hole, 7 auxiliary positioning hole for installation, 8 positioning avoidance hole, 9 dash panel, 10 inner panels.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to FIG. 1 , which is a schematic structural diagram of the overall structure of the air tank's water-proof structure. An air box anti-leakage structure, comprising a structure body 1, the structure body 1 is welded to the concave-convex welding edge 2 on the dash panel 12, and the welding flange 3 is welded on the top of the side wall connection inner panel 10, the inner panel 11 and dash panel 12 are welded and connected, the structural body 1 and the concave-convex welded edge 2 are stamped as a whole, the concave-convex welded edge 2 is a drawing forming structure, the welded flange 3 is a flanged structure, and the The shape of the structural body 1 is U-shaped, and the transition surface of the flange structure between the structural body 1 and the welding flange 3 is arc-shaped and smoothly transitioned, and the upper surface of the structural body 1 is the front glass installation surface The side of the structural body 1 is provided with a positioning avoidance hole 8 and a main positioning hole 4 for installation and an auxiliary positioning hole 7 for installation. A rectangular ventilation hole 5 and an irregular ventilation hole 5 are arranged between the auxiliary positioning hole 7 for installation and the main positioning hole 4 for installation. The ventilation hole 6, the rectangular ventilation hole 5 and the irregular ventilation hole 6 are installed on the side of the structural body 1, and are integrally formed. First, the structural body 1 is welded on the dash panel 9 through the concave-convex welding edge 2, and the welded flange 3. Weld it on the side wall connection inner panel 10 through a clamp to realize the welding assembly of the entire air box structure.

The upper surface of the structural body 1 is the front windshield installation surface, so that the front windshield surface is smoothly transitioned, and the installation main positioning hole 4 and the installation auxiliary positioning hole 7 can accurately position the structure on the welding fixture , to ensure welding accuracy, the positioning avoidance hole 8 can make the overall structure of the air box positioned more accurately on the fixture, improve the welding accuracy, and ensure the weldability of the air box structure, the rectangular ventilation hole 5 and the irregular ventilation hole 6 Make it difficult for water to enter the air box, and ensure that the cab will not leak.

Please refer to FIG. 2 . FIG. 2 is a partially enlarged structural schematic diagram of the dash panel. The inner panel 10 and the dash panel 9 are used to weld the air box more firmly.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present utility model.

Claims (5)

1. An air box anti-leakage structure, including a structural body (1), characterized in that: the structural body (1) is welded to the concave-convex welding edge (2) on the dash panel (9) and connected to the side wall The welded flange (3) on the inner panel (10), the concave-convex welded edge (2) is a drawing forming structure, the welded flange (3) is a flanged structure, and the shape of the structural body (1) is set It is U-shaped, the upper surface of the structural body (1) is the installation surface of the front windshield, and the side of the structural body (1) is provided with a positioning avoidance hole (8), a main positioning hole (4) and an auxiliary positioning holes (7), rectangular ventilation holes (5) and irregular ventilation holes (6) are provided between the auxiliary installation positioning holes (7) and the main installation positioning holes (4). 2. The water leakage-proof structure of the air box according to claim 1, characterized in that: the structural body (1) and the concave-convex welding edge (2) are stamped and formed as a whole. 3. The anti-leakage structure of an air box according to claim 1, characterized in that: the transition surface of the flange structure between the structural body (1) and the welding flange (3) is arc-shaped and smoothly transitioned. . 4. The anti-leakage structure of the air box according to claim 1, characterized in that: the rectangular ventilation holes (5) and the irregular ventilation holes (6) are installed on the side of the structure body (1) and are integrally shaped . 5. The anti-leakage structure of the air box according to claim 1, characterized in that: the inner panel (10) and the dash panel (9) are welded and connected.