JP2773563B2 - Forklift engine hood - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an engine hood for a forklift in an industrial vehicle.

[0002]

2. Description of the Related Art Conventionally, an engine hood 5 of a forklift 1 of this type is attached in a closed manner to an engine room 4 formed between a head guard 2 provided on a driver's seat of the forklift 1 and a counterweight frame 3. There are the types shown in FIGS. 9 to 11,
The engine hood 5 shown in FIG. 9 includes a top plate 6 and left and right side plates 7,
8 to form a substantially U-shaped cross section that opens downward,
A handle 9 is formed on the rear side of the top plate 6 of the engine hood 5, and the front side of the engine hood 5 is pivotally connected to the front frame side via a hinge so that the front side as shown by a two-dot chain line in FIG. The engine room 4 is provided so as to be able to jump up and down. In addition, since the position of the handle 9 is increased in the opening / closing operation, the operator goes up the step 20.

The engine hood 10 shown in FIG. 10 is divided into a top plate 11 and left and right side plates 12 and 13, and each top plate 11 and left and right side plates 12 and 13 are independently hinged to the front frame side. Handles 14 are attached to each other so as to be independently openable and closable in the direction of the arrow shown in the figure.

An engine hood 15 shown in FIG. 11 has a hood member 16 mounted horizontally between the front frame side and the counterweight frame 3 at the center of the upper part of the engine room 4, and is provided on the left and right sides of the hood member 16. Gull-wing-shaped hoods 17 and 18 are pivotally connected via hinges, and are opened and closed in a flip-up manner with a handle 19.

[0005]

However, in the above-described engine hood 5, when the engine hood 5 is flipped up to the front side via a hinge and pivots, the pivot angle is regulated by the pillar of the head guard 2 and the engine hood 5 pivots largely. Therefore, there is a problem that the side of the engine room 4 faces the lower even-angle portions 7a, 8a of the side plates 7, 8, which hinders the service work by the operator. In the case of the hood 10, the left and right side plates 12, 1
Each time the operator opens the door 3, the operator must step down from step 20 and it is difficult to go back and forth on step 20, and the engine hood 10 is divided into three parts. However, the number of man-hours required for parts management increases, and there is a problem in the sealing performance of the engine room. In the case of the engine hood 15, the gull-wing-shaped hoods 17 and 18 are flipped up, and the hood member 1 is placed above the engine room 4.
6 makes it difficult to perform service work from above, and when moving on the left and right steps 20, move on the counterweight frame 3 or
There was annoyance that I had to get off once and detour.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and has as its object to provide an engine hood of a forklift capable of improving service workability and improving the sealing performance of an engine room. It is assumed that.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned technical problem, the present invention is provided in an engine room formed between a head guard frame formed on a front frame of a forklift and a counterweight frame. An engine hood, in which a left and right side of an engine room is formed with a concave portion having an inclined surface that expands upward on the head guard frame side, and the engine hood is provided on both sides of a top plate capable of shielding an upper portion of the engine room. A side plate that can be fitted into the concave portion having the inclined surface is integrally formed by bending, and a seal member is attached to four circumferences of the engine hood, and a hinge member is attached to the top plate side to the counterweight frame portion side, Further, the angle between the lower end of the front edge of each of the left and right side plates and the line connecting the rotation base of the top plate is formed to be substantially 90 degrees to form the seal member. Lies in the elastically adherable providing configuration four sides of the engine room by.

[0008]

According to the above construction, when the engine hood is turned to the rear side, the side plate is hardly obstructed in the service work, so that workability in the engine room can be improved. The opening and closing operation of the engine hood can be performed smoothly by forming the angle between the lower end of the front edge of the left and right side plates and the line connecting the rotation base of the top plate to approximately 90 degrees.

[0009]

FIG. 1 is a schematic perspective view of a forklift 21. A frame 22 of the forklift 21 has a front frame 23 and right and left side frames. The front frame part 23 and a part of the side frame part 24 are formed on substantially the same surface, and the side rear frame 24b of the side frame part 24 is constituted by a part 24 and a counterweight frame part 25. The side and counter weight frame portions 25 are formed at a predetermined height position higher than the front frame portion 23, and an inclined surface 26 is formed at a predetermined angle on the front side of the side rear frame 24b. An engine room 27 is formed between the front frame portion 23 and the counterweight frame portion 25 of the frame 22 thus formed.

A driver's seat head guard frame 28 is provided upright on the front frame portion 23, and a rear base of the head guard frame 28 is provided at a predetermined interval (interval of the engine room 27). As shown in FIG. 2, a substantially triangular support bracket 29 is attached, and the inclined surface 29a of the support bracket 29 is attached to the side front frame 24a.
Are formed on the same plane on the left and right at a predetermined angle. Further, as shown in FIG. 4, the support bracket 29 is mounted between the support brackets 29 on the head guard frame 28 side.
A support member 30 of an engine hood 31 having a substantially V-shaped cross section is mounted so as to follow the inclined surface 29a of FIG. Support bracket 2 mounted in this way
A recess 27a is formed between the rear frame 9 and the side rear frame 24b so that the engine hood 31 can be fitted therein.

The engine hood 31 comprises a top plate 32 and left and right side plates 33 and 34 as in the prior art. The top plate 32 is formed in a substantially square shape having a predetermined area. The symmetric side plates 33 and 34 are formed by bending. The side plate 33 includes a front edge 35 along the inclined surface 29 a of the support bracket 29 and the side front frame 24.
A lower edge 36 along the upper surface of a and a rear edge 37 along the inclined surface 27 of the side rear frame 24b are formed in a trapezoidal shape as shown in the figure, and the rear edge and the front edge of the top plate 32 of the side plate 33 are formed. The angle α between the line H connecting the corner of the lower edge 36 and the lower edge 36 and the front edge 35 is substantially 90 degrees. A mounting edge of a seal member 38 is formed on each of the edges 35, 36, and 37 toward the engine room 27, and the side plate 34 is formed in the same manner.
A mounting edge is also formed on the front and rear edges of the engine hood 31, and a seal member 38 is continuously mounted on each mounting edge of the engine hood 31.

The engine hood 31 thus formed
A hinge member 40 is attached to the rear side of the top plate 32 at a predetermined interval, and is attached to the counterweight frame 25 via the hinge member 40.
Is provided so as to be able to jump up to the rear side as shown by a two-dot chain line in the figure. When the engine room 27 is closed by the engine hood 31 attached in this manner, the front side of the top plate 32 has a cushion rubber 41 and a seal member 38 attached to the lower surface as shown in FIG.
And the front edges 3 of the left and right side plates 33, 34.
5, the sealing member 38 attached to the lower edge 36 is attached to the side front frame 24a as shown in FIG. 6, and the sealing member 38 attached to the lower edge 36 is attached to the side front frame 24a. , The sealing member 38 attached to the rear edge 37 is the inclined surface 2 of the side rear frame 24b.
6 and a sealing member 3 attached to the rear side of the top plate 32.
8 is a counter weight frame 25 as shown in FIG.
The engine room 27 and the engine hood 31 are hermetically sealed by being elastically adhered to the edge portions 25a of the engine room 27, respectively. When the engine hood 31 is pivoted rearward through the hinge member 40 as shown in FIG. 3, the top plate 32 is rotated 90 degrees at an angle β from the horizontal position where the engine room 27 is closed.
It is configured to rotate to an angular position greater than degrees. In the figure, reference numeral 42 denotes a step formed on the left and right of the frame 22, 43 denotes a radiator cover, and 44 denotes a handle provided on the engine hood 31.

As described above, in the engine hood 31 attached to the engine room 27 formed between the head guard frame 28 formed on the front frame portion 23 of the forklift 21 and the counterweight frame portion 25, Head guard frame 2 on the left and right
8 inclined surface 29a of left and right support bracket 29 attached to
A concave portion 27a that expands upward is formed by the inclined surfaces 26 formed on the left and right side rear frame portions 24b of the counterweight frame portion 25, and the engine hood 31 is capable of shielding an upper portion of the engine room 27. 32 having inclined surfaces 29b and 26 on both sides thereof
The side plates 33 and 34 that can be fitted into the engine hood are integrally formed by bending, and seal members 38 are attached to the four circumferences of the engine hood. The top plate 32 is rotatably mounted at an angle β of 90 degrees or more from the closed position of the engine room 27, and the lower ends of the front edges 35 of the left and right side plates 33 and 34 and the rotation base of the top plate 32. Is formed at an angle α of approximately 90 degrees with the line H connecting the two, and is provided on the four circumferences of the engine room via the seal member 38 so as to be elastically adhered. Therefore, since the engine hood 31 is mounted on the rear hinge, the engine hood 31 can be rotated in a large rotation range without being restricted by the head guard frame 28, and the workability of the operator from the side recess 27a side is facilitated, and Workability from above is also facilitated, and as in the prior art, getting on and off and detouring in the left-right direction of the vehicle are eliminated, and maintenance can be improved. Also, the engine hood 31
Is formed in a substantially U-shaped cross section by a top plate 32 and left and right side plates 33, 34, and the left and right side plates 33, 34 have concave portions 27 having front and rear upwardly expanding inclined surfaces 29a, 26.
a front edge 35, lower edge 36 and rear edge 3 that can be fitted into
7 and the seal members 38 are attached to the four circumferences of the engine hood 31.
Can be improved in the sealing performance and soundproofing for the four circumferences.

In the above-described embodiment, the rear side of the top plate 32 of the engine hood 31 has been described as an example in which the seal member 38 is elastically adhered to the edge 24a of the counterweight frame 25. However, the present invention is not limited to this. Instead, for example, the front edge of the radiator cover 43 may be bent downward and the sealing member 38 may be elastically adhered to the edge.

[0015]

According to the present invention, the above-mentioned structure is provided.
The mounting of the engine hood as a rear hinge allows it to rotate in a large rotation range without being restricted by the head guard frame, making it easier for workers to enter from the concave side of the side, and also from above. As a result, it is easy to avoid getting on and off and detouring in the left-right direction of the vehicle as in the related art, thereby improving maintenance. Also,
The engine hood is formed in a substantially U-shaped cross section by a top plate and left and right side plates, and the left and right side plates are fitted into a concave portion having an expanding inclined front surface in the front and rear directions. Since the seal member is attached to the outer periphery of the engine hood and formed from the rear edge, the sealing performance and soundproofing of the engine room around the outer periphery can be improved.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a forklift.

FIG. 2 is a perspective view of a rear side of a head guard frame.

FIG. 3 is a schematic front view of the forklift.

FIG. 4 is a sectional view taken along line AA of FIG. 1;

FIG. 5 is a sectional view taken along line BB of FIG. 1;

FIG. 6 is a sectional view taken along line CC of FIG. 1;

FIG. 7 is a sectional view taken along line DD of FIG. 1;

FIG. 8 is a sectional view taken along line EE of FIG. 1;

FIG. 9 is an explanatory view of opening and closing an engine room by attaching an engine hood of a conventional forklift with a front hinge.

FIG. 10 is an explanatory view showing that an engine hood is divided into three parts to independently open and close an engine room.

FIG. 11 is an explanatory view of opening and closing an engine room by similarly forming an engine hood in a gull wing shape.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 21 Forklift 22 Frame 23 Front frame part 24 Side frame part 24b Rear side frame part 25 Counterweight frame part 26, 29a Inclined surface 27 Engine room 28 Head guard frame 29 Support bracket 31 Engine hood 32 Top plate 33, 34 Side plate 35 Front edge 38 Seal member α The angle between the front edge of the side plate and the line connecting the lower end of the front edge and the rotation base of the top plate β The rotation angle range of the top plate of the engine hood H The front edge of the side plate and the lower end of the same front edge Line connecting the rotation base of the top plate

Claims (1)

(57) [Claims] 1. An engine hood attached to an engine room formed between a head guard frame formed on a front frame portion of a forklift and a counterweight frame portion, wherein the head guard frames are provided on left and right sides of the engine room. A concave portion having an inclined surface that expands upward is formed on the side, and the engine hood is integrally formed with side plates that can be fitted into the concave portion having the inclined surface on both sides of a top plate that can shield an upper part of the engine room. The engine hood is bent and seal members are attached to the four sides of the engine hood, a hinge member is attached to the top plate side to the counterweight frame portion side, and further, the lower ends of the front edges of the left and right side plates and the rotation of the top plate are rotated. An angle between the line connecting the moving base and the line connecting the moving base is substantially 90 degrees, and the elastic member is provided so as to be elastically adhereable to the four circumferences of the engine room via the seal member. Forklift engine hood.