JPH02241824A - Air cleaner for automobile - Google Patents

Abstract

PURPOSE:To rationalize the layout of an engine room and miniaturize the engine room by the volume having been occupied by an air cleaner in the engine room by storing an element for the air cleaner in a storage room inside a bumper. CONSTITUTION:An element 2 for an air cleaner is stored inside a storage room 1a of a box-shaped bumper 1 to form the air cleaner for an automobile. The element 2 is formed with a pipe-shaped core section 22 with many vent holes 21a penetrated on a wall section, a filter section 22 provided on the outer periphery of the core section 21 and fold-machined with a band-shaped filter material, and a cover section 23 provided on the outer periphery of the core section 21 and closing the inside. On the other hand, the bumper 1 is formed with a lengthy bumper main body 10 with a U-shaped cross section and a side plate 4 closing its one opening section. The storage room 1a of the bumper 1 is divided into a resonance room 11a and a cleaner room 11b by a partition wall 11.

Description

[Detailed description of the invention] "Industrial application field" The present invention relates to an air cleaner mounted on an automobile.

[Prior Art] Various methods have been proposed to effectively utilize the space occupied by a bumper installed on an automobile.

For example, in Utility Model Application Publication No. 58-75948, Figures 4 and 5
As shown in the figure, a resonator 90 provided separately from an automobile air cleaner is incorporated in a groove-shaped space formed on the back side of a bumper 80. This resonator 90 has a substantially rectangular parallelepiped box shape, and its internal space is divided into a resonance chamber 90C and an expansion chamber 90d. The resonance chamber 90G and the expansion chamber 90d are communicated with each other by a communication pipe 91. Further, the expansion chamber 90d is provided with a suction pipe 92 for sucking air and an outlet pipe 93 communicating with an air cleaner. The resonator 90 having the above configuration is installed approximately in the center of the groove-shaped space on the back side of the bumper 80, and the bumper 80 is connected to the bumper 80 by bolts via the stay 94.
The one stuck to the back side of is disclosed.

[Problems to be Solved by the Invention] By incorporating the resonator 90 into the space inside the bumper 80 as described above, it is possible to effectively utilize the space occupied by the bumper 80, and - to provide more space in the engine room. be able to. However, there is still some unused space in the space occupied by the bumper 80, and the air cleaner itself is still built into the engine room and occupies a large volume. Furthermore, as the functions of automobiles become more diverse, the number of grooves in the engine compartment increases and the size of the engine compartment increases, resulting in an increase in the size of the automobile body itself.

The present invention has been devised in view of the above-mentioned drawbacks, and an object of the present invention is to provide an air cleaner for an automobile that can effectively utilize the space inside the bumper and downsize the automobile body.

[Means for Solving the Problems] An air cleaner for an automobile according to the present invention is characterized in that it consists of an automobile bumper having a storage chamber therein, and an air cleaner element 4 housed in the storage chamber.

[Function] By adopting the above configuration, the air cleaner, which conventionally occupied a large volume in the engine room, can be completely housed inside the bumper, which fully fulfills the function of the air cleaner and also reduces the space occupied by the air cleaner in the engine room. A space is created in the volumetric valve and the engine room, and it becomes possible to mount automobile parts with other functions in this space.

[Example] As shown in FIGS. 1 and 2, the automotive air cleaner of this example includes a box-shaped automotive bumper 1 with a substantially square cross section and a storage chamber 1a, and is stored in the storage chamber 1a. It consists of an element 2 for an air cleaner.

The element 2 includes a core part 21 which is pipe-shaped and has a large number of ventilation holes 21a penetrating the wall part, and a filter part 22 which is provided on the outer peripheral surface of the core part 21 and has a chrysanthemum-shaped cross section formed by folding a band-shaped filter material. It consists of a container part 23 which is provided at one end of the core part 21 and covers the inner space of the core part 21. In this element 2, a filtration part 22 is inserted so as to cover the outer peripheral surface of a core part 21, and an opening at one end of the core part is closed with a disc-shaped container part 23 having a convex part. Further, the inner circumferential surface of the other end of the core portion 21 is provided with a threaded portion 211 that is screwed into an inlet pipe 3, which will be described later.

The bumper 1 consists of a bumper main body 10, which is an elongated object with a U-shaped cross section and a side wall that is open on one side, and a side plate 4 that covers this opening, and has the same strength as the outer frame of a known bumper. . The inside of this bumper 1 forms a storage chamber 1a. The storage chamber 1a is divided into a resonance chamber 11a, which is a small chamber, and a cleaner chamber 11b, which is a large chamber, by a partition wall 11 that is integrated with a bumper body 10 that is located slightly off to one side from the center of the storage chamber 1a.

The cleaner chamber 11b has three guide walls 12, 13, and 14 integral with the bumper body 10 in parallel with the partition wall 11. , and a fourth cleaner chamber 114b. Guide wall 12.13
．． 14 have large holes 12a, 13a, 14 that match respectively.
a, and the element 2 has large holes i2a, i
It is held by fitting 3a and 14a.

The other end of the core part 21 of the element 2 forming the threaded part 211 is held through the gasket 111 by being fitted into the hole 11c of the partition wall 11. Resonance chamber 11
A and the cleaner chamber 11b are blocked from air circulation by the partition wall 11 and the gasket 111. The three guide walls 12, 13, and 14 are each provided with a large number of small holes 12b, 13b, and 14b through which air flows.

A threaded portion 31 of the inlet pipe 3 at one end is screwed into the threaded portion 211 of the core portion 21 of the element 2, and the inner space of the core portion 21 and the inner space of the inlet pipe 3 are in communication. The inlet pipe 3 has an opening 3a in a part of the outer wall located within the resonance chamber 11a, and communicates the inner space of the inlet pipe 3 with the resonance chamber 118.

The bumper body 10 of the bumper 1 has an opening/closing mechanism 15 on the side opposite to the resonance chamber 11a. This opening/closing mechanism 15 is the first
As shown in FIG. 3, an opening/closing part 151 is connected to the wall of the bumper body 10, and a hinge part 152 is provided at one end of the opening/closing part 151 and connects the bumper body 10 and the opening/closing part 151.
and a coil spring 153 that biases the hinge TG5152.
and a single-shaped bottle 154 provided at the other end of the opening/closing part 151.
It consists of This 1-shaped bottle 154 is inserted into a hole 151a provided near the other end of the opening/closing portion 151, and is rotatably engaged with a portion of the wall surface of the bumper body 10 of the bumper 1. The two guide walls 12.13 of the guide walls 12.13.14 that are closer to the partition wall 11 have extension portions 121. It has 131. This extension 121
．． 131 engages with an engaging portion 41 consisting of a longitudinally extending groove 41a of the side plate 4 and a protruding portion 411 whose end forming the groove 41a protrudes toward the engine room, and the extending portion 121. 131 and the protrusion 411 are fastened together with bolts and nuts. By this fastening, the bumper main body 10 and the side plate 4 of the bumper 1 become integrated. At this time, a gasket 42 is disposed near the abutting portion where the opening periphery of the bumper body 10 and the side plate 4 abut. Also, the extension portion 121.
A gasket 43 is also interposed near the side plate 4 and the guide wall 14 which does not have the guide wall 131. Rough extension 121.1
A gasket 44 is interposed at the engagement position between the guide wall 12, 13 having 31 and the engaging portion 41 of the side plate 4, and a gasket 45 is also interposed at the penetrating portion where the inlet pipe 3 is bent and penetrates the side plate 4.

An outlet vibe 46 is inserted into one surface of the side plate 4 forming the 39th lina chamber 113b and communicates with the engine 6 through a duct 51, a carburetor 52, and an intake manifold 53. In addition, in FIG. 1, 7 indicates a wheel.

The operation of the automobile air cleaner of this embodiment will be described below.

Air taken in from inlet pipe 3 is sent to element 2
The ventilation hole 21a of the core 21 via the inner space of the core 21
The air that has passed through the ventilation hole 21a is filtered into the filter section 22@
The air passes through, becomes clean air, and reaches each cleaner chamber 11b. The clean air of the cleaner chamber 11b is transferred to the guide wall 12.
．． 13. The outlet vibe 4 reaches the third cleaner chamber 113b through the small holes 12b, 13b, and 14b of 14.
It leads to 6. The clean air guided to the outlet vibe 46 is sent to each cylinder of the engine 6 via a duct 51, a carburetor 52, and an intake manifold 53.

In addition, the cleaner chamber 11b is divided by guide walls 12, 13, 14, and the opening 3a of the inlet pipe 3 allows the inner space of the inlet pipe 3 to be connected to the resonance chamber 1.
By communicating with 1a, it is possible to prevent gaps due to intake air and obtain a noise reduction effect. Opening/closing part 1 of rough opening/closing mechanism 15
By opening the element 51, the element 2 can be easily attached and detached, making replacement and other maintenance easy.

[Effects] The automobile air cleaner of the present invention is composed of an automobile bumper having a storage chamber inside and an air cleaner element housed in the storage chamber, so that it can fully perform the function of an air cleaner, and the air cleaner can be installed in the engine room. It becomes easy to mount an aircraft body with a different function or to make the engine room itself smaller, making it possible to reduce the size of the car body.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing an air cleaner for an automobile according to this embodiment. FIG. 2 is a sectional view taken along the line AA in FIG. 1. FIG. 3 is a perspective view showing the opening/closing mechanism. 1... Bumper 10... Bumper body 2
...Element 3...Inlet pipe 4...Side plate 46...Outlet vibe 51...Duct 52...Carburetor 5
3...Intake manifold 6...Engine 7...Wheel patent applicant Toyota Boshoku Co., Ltd.

Claims (1)

[Claims] (1) An air cleaner for an automobile, comprising an automobile bumper having a storage chamber therein, and an air cleaner element housed in the storage chamber.