JP2007009857A - Engine cover and method for assembling the cover to engine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an engine cover with improved assemblability to an engine and a method for assembling the cover to the engine. <P>SOLUTION: (1) The engine cover 10 is equipped with an engagement part 30 engaged with an engine side member 50 provided in the engine and with a guide part 42 guiding the engine side member 50 to the engagement part 30. (2) The engine cover 10 has an outer plate 20 and a sound absorbing material 40 provided on the back face of the outer plate 20, and the guide part 42 is provided in the sound absorbing material 40. (3) The method for assembling the engine cover 10 to the engine includes a first process of lifting a vehicle front side end part of the engine cover 10 to place the engine cover 10 in the inner part of an engine room from a predetermined position, and placing the engine side member 50 on the guide part 42 provided in the engine cover 10; and a second process of moving the engine cover 10 to a vehicle front side inside the engine room while sliding the engine side member 50 and the guide member 42. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an engine cover that is assembled to an engine mounted on a vehicle and a method for assembling the cover to the engine.

  FIG. 5 shows the engine cover 1 that is assembled to an unillustrated engine without using bolts. The engine cover 1 includes an engagement member 3 that engages with an engine-side member 5 provided in the engine. The engine cover 1 is assembled to the engine by engaging the engine side member 5 and the engagement member 3 (inset type).

However, the conventional engine cover has the following problems.
Since the engine cover 1 does not have a bolt hole, the fixing point is not apparent in appearance. Further, in a vehicle with a narrow engine room, it is difficult to assemble the engine cover 1 while tilting it obliquely, and to find a fixed point by hand while shifting the engine cover 1 on the engine. Therefore, when the engine cover 1 is assembled to the engine in the final assembling process at the vehicle factory, the fixing point is not well determined, and it takes time for the work.
JP 2004-132219 A

The problem to be solved by the present invention is that it is difficult to assemble the engine cover to the engine.
An object of the present invention is to provide an engine cover with improved assembly to the engine and a method for assembling the cover to the engine.

The present invention for achieving the above object is as follows.
(1) an engaging portion that engages with an engine-side member provided in the engine;
A guide portion for guiding the engine side member to the engagement portion;
With engine cover.
(2) the outer plate,
A sound absorbing material provided on the back surface of the outer plate;
Have
The engine cover according to (1), wherein the guide portion is provided on the sound absorbing material.
(3) The engine cover according to (1), wherein the guide portion includes an inclined surface that is inclined toward the engine side in a direction approaching the engagement portion.
(4) The engagement member includes a first engagement portion provided at a vehicle rear side end portion of the engine cover and a second engagement portion provided at a portion other than the vehicle rear side end portion of the engine cover. Has
The engine cover according to (1), wherein the guide portion is provided immediately before the first engagement portion in a vehicle front-rear direction.
(5) The engine cover according to (4), wherein the first engagement portion includes at least one.
(6) The engine cover according to (4), wherein the second engagement portion includes at least one.
(7) a first step in which the vehicle front side end of the engine cover is lifted and the engine cover is moved deeper into the engine room than the specified position, and an engine side member provided in the engine is ridden on a guide portion provided in the engine cover; ,
A second step of moving the engine cover forward in the engine room while sliding the engine side member and the guide portion;
A method of assembling the engine cover to the engine.

In the method of assembling the engine cover of (1) or the engine cover of (7) above, since the sound absorbing material is provided with a guide portion, the engine side member is engaged when the engine cover is assembled to the engine. It can be led to a joint member. Therefore, the engine cover can be easily assembled to the engine as compared with the case where the guide portion is not provided.
In the engine cover of the above (2), the guide portion can also be provided on the engine cover having the sound absorbing material.
In the engine cover of the above (3), since the guide portion is provided with an inclined surface that is inclined toward the engine side in the direction approaching the engaging portion, the engine side that has slid the inclined surface when the engine cover is assembled to the engine. The member can be guided to the engaging portion.
In the engine covers of the above (4) to (6), since the guide portion is provided immediately before the first engagement portion in the vehicle front-rear direction, when the engine cover is inserted deeper into the engine room than the specified position. The engine-side member can be brought into contact with the guide portion, and the engine-side member can then be guided to the engaging portion by the guide portion by moving the engine cover forward of the vehicle.

1 to 4 show an engine cover according to an embodiment of the present invention.
The engine cover 10 according to the embodiment of the present invention is assembled to an engine mounted on a vehicle. The engine cover 10 is assembled to an unillustrated engine in order to prevent engine noise and improve the appearance. As shown in FIG. 2, the engine cover 10 is provided on the outer plate 20, an engagement portion 30 provided on the outer plate 20 and engaged with an engine-side member 50 provided on the engine, and a back surface 21 of the outer plate 20. Sound-absorbing material 40.

The outer plate 20 is made of resin, for example. The outer plate 20 has a mark hole 22 and an engagement member mounting portion 23.
As shown in FIG. 1, one mark hole 22 is formed. Since the mark hole 22 is formed, when the engine cover 10 is assembled to the engine, alignment in the left-right direction is possible.
The engaging member attaching portion 23 is provided for attaching the engaging member 30 to the outer plate 20. As shown in FIG. 2, the engaging member mounting portion 23 is provided on the back surface 21 of the outer plate 20. The engaging member mounting portion 23 is provided at the vehicle rear side end portion 20a of the outer plate 20 and at portions other than the vehicle rear side end portion 20a of the outer plate 20. The same number of engaging member mounting portions 23 as the engaging portions 30 are provided.

The engaging part 30 is made of rubber, for example. The engaging part 30 is attached to the engaging member attaching part 23. As shown in FIG. 1, the engaging portion 30 is provided at a portion other than the first engaging portion 31 provided at the vehicle rear side end portion 20 a of the outer plate 20 and the vehicle rear side end portion 20 a of the outer plate 20. And a second engaging portion 32 to be provided. In FIG. 1, a dotted circle indicates the engaging portion 30 provided on the back of the outer plate 20. The first engaging portion 31 is composed of at least one, and the second engaging portion 32 is composed of at least one (in the illustrated example, the first engaging portion 31 and the second engaging portion 32 each include two pieces). Shows the case where it is provided). Hereinafter, in the embodiment of the present invention, a case where two first and second engaging portions 31 and 32 are provided will be described as an example.
The two first engaging portions 31 are at the same position in the vehicle front-rear direction and at different positions in the vehicle left-right direction. As shown in FIG. 2, the first engagement portion 31 is located immediately after the vehicle rear side end of the sound absorbing material 40 in the vehicle front-rear direction.
As shown in FIG. 1, the two second engaging portions 32 are at different positions in the vehicle left-right direction at different positions in the vehicle front-rear direction.

  The sound absorbing material 40 is made of foamed urethane rubber. As shown in FIG. 2, the sound absorbing material 40 is fixedly attached to the back surface 21 of the outer plate 20. The sound absorbing material 40 is provided to absorb engine radiated sound and reduce engine noise. The sound absorbing material 40 has a shape that does not interfere with the engine itself. The sound absorbing material 40 includes a sound absorbing material main body 41 and a guide portion 42 that guides the engine side member 50 to the engaging portion 30.

The guide portion 42 may be formed integrally with the sound absorbing material main body 41, or may be formed separately from the sound absorbing material main body 41 and fixedly attached to the sound absorbing material main body 41. The guide part 42 is provided immediately before the first engagement part 31 in the vehicle front-rear direction. The guide part 42 extends in the vehicle front-rear direction. The guide portion 42 has a first inclined surface 42a that is inclined in the direction approaching the first engagement portion 31 and the engine side (downward), the direction approaching the first engagement portion 31 and the direction away from the engine ( And a second inclined surface 42b inclined upward). The first inclined surface 42a and the second inclined surface 42b are continuous at the apex (lowermost point) 42c of the guide portion 42.
The first inclined surface 42a may be a flat surface or a curved surface. The inclination angle A of the first inclined surface 42a is determined by pulling the engine cover 10 forward of the vehicle after the engine cover 10 is placed in the engine room S to a position where the first inclined surface 42a and the engine-side member 50 come into contact with each other. When the engine side member 50 gets over the apex 42c, the vehicle rear side end of the engine cover 10 is lowered by its own weight, and the engine side member 50 has an inclination angle that reaches the engaging portion 30.
The second inclined surface 42b may be a flat surface or a curved surface. The inclination angle of the second inclined surface 42b is determined by the moldability of the urethane foam rubber.
The apex 42c is in the vehicle front-rear direction and is on the vehicle rear side from the vehicle front-rear direction center of the guide portion 42. The apex 42 c is on the engine side with respect to the first engagement portion 31.

  The engine side member 50 is made of metal, for example. The engine side member 50 is fixedly attached to the engine. The engine side member 50 is attached to the engine by screwing a male screw portion 50a provided at the lower end portion into a female screw portion (not shown) provided in the engine. The upper end portion of the engine side member 50 has a ball shape and can be engaged with the engaging portion 30. The engine-side member 50 includes a first engine-side member 51 that engages with the first engagement portion 31 and a second engine-side member (not shown) that engages with the second engagement portion 32. .

Here, a method of assembling the engine cover 10 to the engine will be described.
(A) As shown in FIG. 3, an operator in front of the vehicle lifts the vehicle front side end of the engine cover 10 and uses the mark hole 22 to align the vehicle in the left-right direction. The engine cover 10 is inserted deeper into the engine room S (rear of the vehicle) than the specified position until the engine side member 51 and the first inclined surface 42a of the guide portion 42 meet.
At this time, the vehicle rear side end portion of the engine cover 10 is on the first engine side member 51. Since the engine cover 10 is on the first engine side member 51, the engine cover 10 is in a “highly floating” state. Here, the specified position refers to a position where the engaging portion 30 and the engine-side member 50 are at the same position in the vehicle front-rear direction.

(B) Next, as shown in FIG. 4, the first engine side member 51 and the first inclined surface 42a are slid while the vehicle front side end portion of the engine cover 10 is placed in the engine room S. The engine cover 10 is moved in the engine room S forward of the vehicle. When the engine cover 10 is moved forward and the first engine side member 51 gets over the apex 42c of the guide portion 42, the vehicle rear side end of the engine cover 10 is lowered by its own weight, and the first engine side member 51 is 1 position of the engaging portion 31 is reached. When the first engine side member 51 reaches the first engagement portion 31 position, the second engine side member also reaches the second engagement portion 32 position.
(C) Next, the engine cover 10 is pushed downward to engage the engine side member 50 and the engaging portion 30, and the assembly of the engine cover 10 to the engine is completed.

Next, the operation of the embodiment of the present invention will be described.
In the embodiment of the present invention, since the guide portion 42 is provided, the first engine side member 51 can be guided to the first engagement portion 31 when the engine cover 10 is assembled to the engine. Therefore, the engine cover 10 can be easily assembled to the engine as compared with the case where the guide portion is not provided.
Since the guide portion 42 includes the first inclined surface 42a, the first engine side member 51 that has slid on the first inclined surface 42a when the engine cover 10 is assembled to the engine is used as the first engaging portion. 31.
Since the guide portion 42 is provided in front of the first engagement portion 31 in the vehicle front-rear direction, the first engine-side member 51 is moved when the engine cover 10 is inserted deeper into the engine room S than the specified position. The first engine side member 51 can be moved to the first engaging portion 31 by the guide portion 42 by moving the engine cover 10 forward of the vehicle. Can lead.

1 is a perspective view of an engine cover according to an embodiment of the present invention. It is sectional drawing of the engine cover of this invention Example. It is sectional drawing when an engine cover is inserted in the back of an engine room rather than a regulation position when an engine cover is assembled | attached to an engine of the Example of this invention. FIG. 4 is a cross-sectional view of the engine cover when the vehicle front side end portion of the engine cover is placed in the engine room from the state of FIG. 3. It is sectional drawing of the conventional engine cover assembled | attached to an engine without using a volt | bolt.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Engine cover 20 Outer plate 21 Back surface 22 of outer plate Marking hole 23 Engagement member attachment part 30 Engagement part 31 First engagement part 32 Second engagement part 40 Sound absorbing material 41 Sound absorbing material main body 42 Guide part 42a Guide First inclined surface 42b of the second inclined surface 42c of the guide portion 50 apex of the guide portion Engine side member

Claims (7)

An engaging portion that engages with an engine-side member provided in the engine;
A guide portion for guiding the engine side member to the engagement portion;
With engine cover. The outer plate,
A sound absorbing material provided on the back surface of the outer plate;
Have
The engine cover according to claim 1, wherein the guide portion is provided on the sound absorbing material.   The engine cover according to claim 1, wherein the guide portion includes an inclined surface that is inclined toward the engine and in a direction approaching the engagement portion. The engagement member includes a first engagement portion provided at a vehicle rear side end portion of the engine cover and a second engagement portion provided at a portion other than the vehicle rear side end portion of the engine cover. ,
The engine cover according to claim 1, wherein the guide portion is provided immediately before the first engagement portion in a vehicle front-rear direction.   The engine cover according to claim 4, wherein the first engagement portion includes at least one.   The engine cover according to claim 4, wherein the second engagement portion includes at least one. A first step of lifting the vehicle front side end portion of the engine cover and placing the engine cover deeper into the engine room than the prescribed position, and riding the engine side member provided in the engine on the guide portion provided in the engine cover;
A second step of moving the engine cover forward in the engine room while sliding the engine side member and the guide portion;
A method of assembling the engine cover to the engine.

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