JP2017165186A - Intake structure of engine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an intake structure of an engine which achieves excellent assemblability and enables improvement of the visual quality while reducing the number of components.SOLUTION: An integration member 1 includes: an intake air support part 2 which is connected with a tip part of an engine intake pipe 104; an exterior reinforcement part 3 which is inserted into an exterior member 110 forming an outer shape of a vehicle body in a fitting manner; a connection part 4 which connects the intake air support part 2 with the exterior reinforcement part 3; and a hinge part 41 which foldably forms the connection part 4. In an intake structure of an engine, the integration member 1 is fixed to the vehicle body through a connection fixing part 43 formed at the connection part 4.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an intake structure for an engine that takes outside air into a vehicle engine.

Various types of intake structures have been proposed as engine intake structures in which outside air taken in from the front grille at the front of the vehicle is guided into the engine via an intake duct.
For example, in Patent Document 1, a part of the outside air introduced from an outside air introduction hole that opens to the face member using a face member that forms the outer shape of the bumper and a face support member that fixes the face member to the vehicle body is supplied to the radiator. The structure which forms the duct which guides to the opening part opened to the shroud panel which fixes to a vehicle body is disclosed.

JP 2008-189280 A

  By the way, in the intake structure of the engine of Patent Document 1, the shroud panel, the face member, the face support member, and the like are configured as separate members and are individually installed, resulting in an increase in the number of parts and assembly man-hours. While it contributes to an increase in cost, it has a problem that appearance may deteriorate and merchantability may deteriorate.

  The present invention has been made in view of the above points, and an object of the present invention is to provide an intake structure for an engine that is excellent in assembling and improved in appearance while reducing the number of parts.

  In order to achieve the above-mentioned object, an intake structure for an engine according to the present invention includes an intake support portion connected to a tip portion of an engine intake pipe, and an exterior that is inserted into an exterior member that forms the outer shape of the vehicle body. A unified member comprising a reinforcing portion, a connecting portion that connects the intake support portion and the exterior reinforcing portion, and a hinge portion that is configured to bend the connecting portion is a fixed portion formed on the connecting portion. It is characterized by being fixed to a vehicle body via.

According to such a configuration, the number of parts including assembly parts can be reduced by integrating the intake support part and the exterior reinforcement part. As a result, the number of assembling steps can be reduced, and the cost can be reduced.
Moreover, since the components in the engine room are covered and covered by the connecting portion, the appearance can be improved and the merchantability can be improved.
Furthermore, since it can be bent at the hinge part, the intake support part and the exterior reinforcement part are integrated so that even a large member is limited without sacrificing assembly workability. Can be assembled in a narrow space.

  Further, in the intake structure of the engine, it is preferable that the hinge portion is composed of a groove-like thin portion linearly extending on a resin material.

  According to such a structure, a hinge part can be installed, without causing the increase in cost by comprising a hinge part by a groove-shaped thin part.

  In the intake structure of the engine, it is preferable that the exterior reinforcing portion is provided with a notch.

  According to such a structure, it can assemble | attach, avoiding interference with the protrusion which protrudes in an engine room by providing a notch in an exterior reinforcement part. Thereby, the assembly workability can be further improved.

  In the intake structure of the engine, it is preferable that the connecting portion includes a ventilation portion configured by a plurality of through holes.

According to such a configuration, air permeability is improved while ensuring good appearance by blindfolding by providing the connection portion with the ventilation portion configured in a lattice shape by the plurality of through holes. As a result, the cooling efficiency in the engine room during traveling can be improved.
Moreover, since the ventilation part is a grid | lattice form, it is suppressed that the air warmed with the engine at the time of a stop returning to the front of an engine room. Thereby, since cold outside air is supplied to the radiator or the like even when the vehicle is stopped, the engine can be cooled effectively.

  Further, in the intake structure of the engine, it is preferable that the hinge portion is set at a position of the connecting portion located on the exterior reinforcing portion side with respect to the fixed portion.

  According to such a configuration, since the hinge portion is closer to the exterior reinforcing portion side than the fixed portion, the hinge portion is prevented from being bent and the engine intake pipe being pushed in a slight collision. As a result, vehicle components can be protected.

  ADVANTAGE OF THE INVENTION According to this invention, the intake structure of the engine which is excellent in assembly property and can improve appearance can be provided, reducing a number of parts.

It is a side view which shows a mode that the unified member which comprises the intake structure of the engine which concerns on this embodiment was assembled | attached to the vehicle body. It is a top view of the unification member which constitutes the intake structure of the engine concerning this embodiment. It is a bottom view of the unification member which constitutes the intake structure of the engine concerning this embodiment. It is a left view of the unified member which comprises the intake structure of the engine which concerns on this embodiment. It is a disassembled perspective view which shows the intake structure of the engine which concerns on this embodiment.

  An embodiment of the present invention will be described in detail with reference to the drawings as appropriate. The same components are denoted by the same reference numerals, and redundant description is omitted.

  As shown in FIGS. 1 to 5, the intake structure S of the engine of the present embodiment includes a front grill 103 disposed at a front edge portion of an engine room 102 set at the front portion of the vehicle, and a front bumper (not shown). ) Around. Further, the intake structure S of the engine of the present embodiment includes a unified member 1 having a plurality of functions.

  As shown in FIG. 1, the unified member 1 includes an intake support portion 2 connected to an outside air intake port 104 a of the engine intake pipe 104, an exterior reinforcement portion 3 fitted into the exterior member 110, and an intake support portion 2. And a connecting portion 4 for connecting the exterior reinforcing portion 3 to each other. The unified member 1 is formed by injection molding of a resin material.

As shown in FIGS. 1 and 5, the exterior member 110 is a member that partitions the outside of the vehicle and the engine room 102, and constitutes a design surface in a region between the front grill 103 and the bonnet 105 in the front portion of the vehicle body. doing.
The exterior member 110 is formed integrally with a bracket 111 extending from the front bumper, and has a box shape that opens toward the engine room 102 side (rear side of the vehicle).
On the top surface of the exterior member 110, an exterior fixing portion 112 including a plurality of through holes is opened.

The intake support portion 2 is connected to the outside air intake port 104a of the engine intake pipe 104, so that when the flexible engine intake pipe 104 vibrates with the engine due to the bellows-shaped resin material, The outside air intake 104a prevents the surrounding air from colliding.
Further, as shown in FIG. 3, the intake support portion 2 has an opening portion 21 facing the bottom surface side, opening in a substantially fan shape, and communicating with the outside air intake port 104a. And the opening part 21 inhales the air ahead of a vehicle rather than the bulkhead 106 mentioned later.
In addition, a seal cushion 22 that is sandwiched between the unified member 1 and the bulkhead 106 when the unified member 1 is assembled to the bulkhead 106 is installed on the periphery of the opening 21. By providing the seal cushion 22, the backlash of the unified member 1 fixed to the upper surface of the bulkhead 106 is suppressed.

  As shown in FIGS. 1 and 5, the bulkhead 106 is a frame member that constitutes a vehicle front portion of the engine room 102, and is disposed above the radiator 107. That is, the air in front of the vehicle (outside air) is sucked into the engine from the radiator 107.

As shown in FIG. 1, the exterior reinforcing portion 3 is inserted into the exterior member 110 to reinforce the exterior member 110 and suppress fluttering of the exterior member 110 due to vibration or the like during traveling. Since the exterior member 110 forms a design surface, priority is given to improving the appearance, and the mechanical strength may not be sufficient. Therefore, the exterior member 110 is reinforced by inserting the exterior reinforcement portion 3 into the box-shaped interior of the exterior member 110 and fixing it through the unified member 1.
As shown in FIG. 2, the exterior reinforcement portion 3 is formed along the lateral direction of the vehicle following the external shape of the exterior member 110, and a portion overlapping the exterior fixing portion 112 on the top surface of the exterior reinforcement portion 3 is female. A reinforcing fixing portion 31 made of a screw hole is opened. The exterior member 110 is screwed to the exterior reinforcement portion 3 via the screw member 5 that penetrates the exterior fixing portion 112.
Further, as shown in FIG. 2, the exterior reinforcement portion 3 is provided with a reinforcement-side cutout portion 32 (cutout) formed of a rectangular cutout formed at a central portion in the vehicle left-right direction.

The reinforcement-side notch 32 has a lock structure (not shown) composed of a latch (not shown) and a striker (not shown) and an unlocking operation for releasing the latch when the unified member 1 is assembled. It is formed to avoid interference with the lever 108 and the like.
The lock structure is such that the bonnet 105 holds the engine room 102 closed by engaging the latch and the striker. Further, the lock release lever 108 is erected from the lower center of the engine room 102 toward the vicinity of the mating surface between the bonnet 105 and the front grill 103. The lock release lever 108 of this embodiment swings up and down and operates a latch linked to the lever base.

  The connecting portion 4 is made of a plate-like member, and connects the intake support portion 2 and the exterior reinforcing portion 3 integrally. The connection part 4 includes a hinge part 41, a ventilation part 42, a connection fixing part 43 (fixing part), and a connection side notch part 44.

As shown in FIGS. 1, 3, and 4, the hinge portion 41 has a V-shaped groove shape that linearly extends on the resin material along the vehicle left-right direction on the bottom surface of the connecting portion 4. The connecting portion 4 can be bent. Moreover, the hinge part 41 is set in the site | part of the connection part 4 located in the exterior reinforcement part 3 side rather than the connection fixing | fixed part 43 in the vehicle front-back direction.
In addition, as long as the shape of the hinge part 41 is a form which can be bend | folded and was provided with sufficient intensity | strength to support the exterior reinforcement part 3, it is employ | adopted also with forms other than the thin part which has a V-shaped groove shape. can do.

As shown in FIGS. 2 and 3, the ventilation portion 42 is configured by a plurality of long holes that penetrate the coupling portion 4 while being adjacent in parallel at a predetermined interval. The ventilation portion 42 is set at a portion of the connecting portion 4 located between the hinge portion 41 and the connecting and fixing portion 43 in the vehicle front-rear direction, and is set at the center portion of the connecting portion 4 in the left-right direction of the vehicle. ing. That is, the ventilation portion 42 is formed at a site behind the reinforcing side cutout portion 32.
The connection fixing portion 43 is a portion that is fixed to the bulkhead 106 (vehicle body), and includes a through hole that opens to a portion that overlaps the vehicle body side fixing portion 106a. In addition, the vehicle body side fixing portion 106 a is configured by a female screw hole that opens to the top of the bulkhead 106 in the connecting portion 4. Then, the connecting and fixing portion 43 is screwed to the vehicle body side fixing portion 106 a via the screw member 5 such as a bolt, and the unified member 1 is fixed on the bulkhead 106.

As shown in FIGS. 2 and 3, the connection-side cutout portion 44 is configured by a rectangular cutout formed at the rear of the ventilation portion 42 at the center portion of the connection portion 4 in the vehicle left-right direction. Similar to the reinforcing-side notch 32, the connection-side notch 44 is formed to avoid interference with the lock structure, the lock release lever 108, and the like when the unified member 1 is assembled.
That is, the components are arranged in the unified member 1 in the order of the exterior reinforcing portion 3, the hinge portion 41, the ventilation portion 42, and the connection fixing portion 43 from the front to the rear of the vehicle.

Next, an assembly procedure of the engine intake structure S of the present embodiment will be described with reference to FIGS.
While folding the unified member 1 at the hinge portion 41, the exterior reinforcing portion 3 is inserted into the exterior member 110, and the unified member 1 is disposed at the assembly position.
When the unified member 1 is disposed at the assembly position, the lock release lever 108 is swung as necessary to avoid interference with the unified member 1, and within the connection-side notch 44. The lock release lever 108 is disposed in the reinforcing side cutout 32.
Next, the outside air intake 104 a of the engine intake pipe 104 is fitted into the intake support portion 2.
Next, the unified member 1 is positioned by superimposing the reinforcing fixing portion 31 on the exterior fixing portion 112 while overlapping the connection fixing portion 43 on the vehicle body side fixing portion 106a.
Finally, by using the screw member 5, the reinforcing fixing portion 31 is screwed to the exterior fixing portion 112 while the connection fixing portion 43 is screwed to the vehicle body side fixing portion 106a, and the unified member 1 is fixed at a predetermined position. To do.

Next, the effect of the intake structure S of the engine according to the present embodiment will be described.
By integrating the intake support portion 2 and the exterior reinforcement portion 3, the number of components including assembly components can be reduced. As a result, the number of assembling steps can be reduced, and the cost can be reduced.
Moreover, since the components in the engine room 102 are covered and hidden by the connecting portion 4, the appearance can be improved and the merchantability can be improved.
Furthermore, since it is possible to bend at the hinge portion 41, the intake support portion 2 and the exterior reinforcement portion 3 are integrated, so that even an enlarged member can be assembled without sacrificing assembly workability. It can be assembled in a limited space.

  By configuring the hinge part 41 with a groove-like thin part, the hinge part 41 can be installed without causing an increase in cost.

  By providing the reinforcement-side cutout 32 in the exterior reinforcing portion 3, it can be assembled while avoiding interference with the lock structure protruding into the engine room 102 and the lock release lever 108. Thereby, the assembly workability can be further improved.

By providing the ventilating part 42 configured in a lattice shape with a plurality of long holes in the connecting part 4, the air permeability is improved while securing the appearance by blindfolding. As a result, the cooling efficiency in the engine room 102 during traveling can be improved.
Moreover, since the ventilation part 42 is a grid | lattice form, it is suppressed that the air warmed with the engine at the time of a stop returning to the front of the engine room 102. FIG. Accordingly, since cold outside air is supplied to the radiator 107 and the like even when the vehicle is stopped, the engine can be cooled effectively.

  Since the hinge portion 41 is closer to the exterior reinforcing portion 3 side than the connection fixing portion 43, the hinge portion 41 is prevented from being bent and the engine intake pipe 104 being pushed in the event of a slight collision. As a result, vehicle components can be protected.

S Engine intake structure 1 Unification member 2 Intake support part 3 Exterior reinforcement part 4 Connection part 32 Notch (reinforcement side notch part)
41 Hinge part 42 Ventilation part 43 Fixing part (connection fixing part)
104 Engine intake pipe 110 Exterior member

Claims (5)

An intake support connected to the tip of the engine intake pipe;
An exterior reinforcement portion that is inserted into an exterior member that forms the outer shape of the vehicle body;
A connecting portion that connects the intake support portion and the exterior reinforcing portion;
A unified member comprising a hinge portion configured to be able to bend the connecting portion,
An intake structure for an engine, which is fixed to a vehicle body via a fixing portion formed in the connecting portion. The hinge part is
2. The engine intake structure according to claim 1, wherein the engine intake structure includes a groove-like thin portion linearly extending on a resin material. In the exterior reinforcement part,
The engine intake structure according to claim 1, wherein a notch is provided. The connecting portion is
The intake structure for an engine according to any one of claims 1 to 3, further comprising a ventilation portion configured by a plurality of through holes. The hinge part is
5. The engine intake structure according to claim 1, wherein the engine intake structure is set at a position of the connecting portion that is located closer to the exterior reinforcing portion than the fixed portion.

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