JPH0586720U - Air-guide mounting structure - Google Patents

Abstract

(57) [Abstract] [Purpose] The positioning of the mounting on the bumper is simplified to improve the mounting workability, and at the same time, the structure of the air-guide mounting structure looks good when the engine hood is expanded. Offer. An air guide 80 having a curved surface 81 made of synthetic resin at a lower end edge of a bumper beam 40 having a closed cross section.
The bumper beam 40 into the locking hole 87 of the overlapping portion 85 on the upper part of the
The engagement protrusion 48 of the bumper attachment portion 46 attached via the connecting rod 44 is inserted and locked, and the protruding locking portion 83 is brought into contact with the lower end portion of the air guide 80 to perform two positioning. Then, the air guide 80 is attached to the bumper beam 40.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an air guide for directly guiding a traveling wind introduced from the outside to a radiator arranged in an engine room, and more particularly to a mechanism that simplifies attachment of the air guide to a vehicle body.

[0002]

[Prior Art]

 As a structure for cooling the radiator by inducing traveling wind into the vehicle body from the opening part of the front part of the automobile, as shown in FIG. A structure equipped with a duct 15 for fixing and fixing a rear portion to a radiator 14 is disclosed (see Japanese Utility Model Laid-Open No. 63-112159).

[0003]

[Problems to be solved by the device]

 In the device disclosed above, when the engine hood 17 is opened, the duct 15 is exposed and the appearance is bad. In addition, since the air duct 15 is fixed to the vehicle body after the bumper 11 is attached, the attaching work is difficult.

Therefore, the applicant of the present invention is an air guide 25 which is fixed inside the vehicle body of the bumper beam 21 so as to form a closed cross-sectional structure before the application, and a radiator 27 of the air guide 25 is used. It has been proposed that the flat surface 26 facing the air guide hole 24 that opens in the direction is curved so that the air guide hole 24 expands toward the entire surface of the radiator 27. Further, according to the present invention, the air guide is equipped with a structure for mounting and positioning with respect to the bumper to facilitate the attachment of the air guide to the vehicle body and improve workability, and at the same time, the upper surface of the air guide is attached to the engine. It is intended to provide an air guide mounting structure having a structure that looks good when the hood is expanded.

[0005]

Means for Solving the Problems An air guide mounting structure of the present invention has a bumper beam that forms a closed cross section and is installed in a bumper, and an engaging protrusion that projects at a distance. -A bumper mounting part is provided on the upper part of the frame via a connecting rod, and a locking part protruding upward is provided at the lower end part via a curved surface, and the upper end part is bent to provide a horizontal surface. And an air guide to be attached to the engine room side of the bumper beam that has an overlapping portion with a locking hole on the horizontal surface.The engagement of the bumper mounting portion with the locking hole of the overlapping portion of the air guide. The projection is locked, and the locking part at the lower end of the air guide is locked to the lower edge of the bumper beam to be fixed to the bumper beam.

[0006]

[Action]

 When attaching the air guide to the bumper beam, the upper end of the air guide is positioned in the front-rear direction of the vehicle body by abutting the corners of the overlapping portion of the air guide with the side edges of the bumper attachment portion. Insert the engagement protrusion of the mounting part into the engagement hole of the air guide to determine the position in the left-right direction of the vehicle body, and attach the lower end of the air guide by engaging the engagement protrusion with the lower edge of the bumper beam. Position and fix the air guide to the bumper beam.

[0007]

【Example】

 An embodiment of the air guide of the present invention will be described with reference to the drawings. FIG. 1 is an explanatory view of the attachment of the bumper beam and the air guide, and FIG. 2 is an explanatory view of the interior portion of the front part of the vehicle including the sectional view taken along the line AA in FIG. A bumper 4 that houses a bumper beam 40 is fixed to the front part of the automobile 1, and a vent hole 5 is opened in the lower part of the bumper beam 40 to let outside air into the engine room while traveling. . A radiator 60 is arranged in the engine room corresponding to the vent hole 5. The upper surface of the engine room is covered with an engine hood 6. The bumper beam 40 installed in the bumper 4 includes a bumper beam main body 41 having a U-shaped cross section and a closing plate that is overlapped with the open surface of the bumper beam 40 to form a closed cross section. 43, and the overlapping portion 45 of the bumper beam main body 41 and the closing plate 43 is fastened by a stopper 47 to be integrated. A bumper mounting portion 46 is fixed to the upper portion of the bumper beam 40 via a connecting rod 44. On the upper surface of the bumper mounting portion 46, engaging protrusions 48 protruding upward are provided at one or a plurality of positions. In the bumper beam 40 configured as described above, the lower surface of the bumper beam 40 is fastened to the lower surface of the bumper 4 with a stopper 42, and the bumper mounting portion 46 is fixed to the upper surface of the bumper 4 by an appropriate fixing means. Is disposed on the inner surface of the.

An air guide 80 is attached to the inner surface of the bumper beam 40 on the engine room side. The air guide 80 is a plate body integrally formed of synthetic resin. The air guide 80 has a curved surface 81 on the lower surface, and has locking portions 83 formed by projecting a part of the end portion of the lower surface at one or more places. The upper end of the air guide 80 is bent to form a superposed portion 85 which is a horizontal surface. Engagement holes 87 are formed in the overlapping portion 85 at one location or at appropriate intervals.

Next, a method of attaching the air guide 80 to the bumper beam 40 will be described. The air guide 80 is attached to the closing plate 43 forming the closed cross section of the bumper beam 40 attached to the inside of the bumper 4 fixed to the vehicle body in an internally aligned state. First, the overlapping portion 85 of the upper end of the air guide 80 is placed on the upper surface of the bumper attaching portion 46 of the bumper beam 40, and the corners of the air guide 80 that move to the overlapping portion 85 of the bumper beam 40 are attached to the bumper attaching portion 46. The air guide 80 is brought into contact with one side edge to determine a mounting position of the upper portion of the air guide 80 in the longitudinal direction of the vehicle body. Then, the engaging protrusion 48 protruding from the upper surface of the bumper attaching portion 46 is inserted into the engaging hole 87 of the overlapping portion 85 of the air guide 80, and the upper portion of the air guide 80 is attached to the upper portion of the bumper beam 40. Then, the air guide 80 is advanced in the direction of the bumper beam 40 until the locking portion 83 locks the lower portion of the air guide 80 to the overlapping portion 45 of the bumper beam 40. With the locking portion 83 of the air guide 80 locked to the overlapping portion 45 of the bumper beam 40, the lower end of the air guide 80 is fixed to the lower edge of the bumper beam 40 by the stopper 47.

As described above, the air guide 80 having a curved surface is attached to the engine room side of the bumper beam 40 installed in the bumper 4, so that the outside air flowing in through the opening 5 is prevented from flowing in the direction of the arrow in FIG. As shown by, the air guide 80 is guided by the curved surface 81 of the air guide 80 and blown into the engine room, so that the entire surface of the radiator 60 can be blown with air, thereby enhancing the cooling effect of the radiator 60. Further, since the air guide 80 is attached in a state where the bumper beam 40 has a closed cross section, the strength of the bumper beam 40 is not impaired. Further, the attachment of the air guide 80 to the bumper beam 40 forming a closed cross section is positioned in the vehicle longitudinal direction, and the upper portion of the air guide 80 is the overlapping portion 85 of the air guide 80. The corner portions and the end edges of the bumper mounting portion 46 are brought into contact with each other, and the lower portion is engaged with the locking portion 83 and the overlapping portion 45 of the bumper beam 40. Further, by positioning the air guide 80 in the left-right direction with respect to the vehicle by engaging the engagement protrusion 48 of the bumper beam 40 and the engagement hole 87 of the air guide 80, the worker is fixed to the vehicle body. The work of attaching the air guide 80 to the bumper is facilitated, and the workability of attaching the air guide 80 is improved.

[0011]

[Effect of the device]

 The mounting structure of the air guide of the present invention can easily position the upper and lower parts of the air guide with respect to the vehicle body in the front-rear and left-right directions with the bumper beam mounted on the vehicle body having a closed cross section. The operability of assembly work is improved. Further, since the air guide having the curved surface is directly fixed to the engine room side of the bumper beam, its attachment is reliable, and the outside air flowing from the ventilation hole is guided to the curved surface. It can enter into the engine room to cool the entire radiator, and even when the engine hood is expanded, the air guide covers the bumper cushioning structure. The appearance is good.

[Brief description of drawings]

FIG. 1 is an explanatory view of mounting a bumper beam and an air guide.

FIG. 2 is an explanatory view of a front portion of the vehicle including a cross-sectional view taken along the line AA of FIG.

FIG. 3 is an overall perspective view of an automobile.

FIG. 4 is an explanatory view of a conventional example of an air guide.

FIG. 5 is an explanatory view of another conventional example of the air guide.

[Explanation of symbols]

 4 Bumpers 41 Bumper Beams 44 Connection Rods 45 Overlapping Parts 46 Bumper Attachments 48 Engaging Protrusions 80 Air Guides 81 Curved Surfaces 83 Engaging Parts 85 Overlapping Parts 87 Engaging Holes

Claims (1)

[Scope of utility model registration request] 1. An air guide to be mounted on the engine room side of a bumper beam installed in a bumper, the bumper beam having a closed cross section, and an engaging projection protruding at a distance. , A bumper mounting part arranged on the upper part of the bumper beam via a connecting rod, and a locking part protruding upward at the lower end part via a curved surface, and the upper end part is bent. An air guide having a horizontal surface and an overlapping portion having locking holes formed in the horizontal surface is provided, and the engaging protrusion of the bumper mounting portion is locked in the locking hole of the overlapping portion of the air guide, and the air guide is also provided. An air-guide attachment structure in which the lower end of the bumper beam is locked to the lower edge of the bumper beam and fixed to the bumper beam.