JPS6244046Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an engine hood locking device for covering an engine exposed on a forklift frame.

As shown in FIG. 1, the engine hood a is pivoted on a support shaft 3 attached to a column 2 erected on a frame 1, and is tilted open and closed about the shaft.

A conventional engine hood a has a lower edge connected to a frame 1 by a known locking device b, making it impossible to open the hood a under normal conditions, and a screw rod c attached to the lower edge of the hood a. The cushion rubber d fixed at c is designed to cushion the load of the engine hood a and the seat e installed above it.

For this reason, the locking device b and the cushion rubber d
This resulted in a large number of parts, and each part had to be installed separately, resulting in a large number of installation steps.

In order to eliminate the above-mentioned drawbacks, the present invention aims to provide a locking device that has both the functions of the locking device b and the cushion rubber d. A shock absorber made of an elastic material, which protrudes from the mounting plate and has a flange formed at the upper end of the rod, is connected to the through hole of the mounting plate;
It is arranged on the lower surface of the mounting plate so that the upper and lower insertion holes of the buffer body are aligned with each other, and a shaft rod is inserted through the through hole and the insertion hole, and the lower end of the shaft rod contacts the lower surface of the buffer body. A clamping piece is provided at the upper end, and a locking piece is provided at the upper end that comes into contact with the top surface of the mounting plate, and when the engine hood is closed, it faces the mounting plate vertically via the brim of the shock absorber, and the rod of the shock absorber. A support plate is provided on the main frame side with a fitting hole through which the clamping piece is inserted downward, and the clamping piece is held in the raised position.The support plate supports the load of the engine hood, etc., and the support plate and mounting plate A buffering effect is produced by the interposed flange, and by holding the clamping piece in the raised position, a bulging surface is formed on the rod of the buffer, and the lower peripheral surface of the fitting hole of the support plate is The bulging surface is engaged with the rod to prevent the rod from being pulled out of the fitting hole, thereby producing a locking effect.

Embodiments of the present invention will be described with reference to the accompanying drawings.

2 and 3 show a first embodiment of the present invention, and 4 is an engine hood that covers the engine (not shown) exposed on the frame 1, and screws 6 and 6 are attached to the lower edge of the side plate 5. The mounting plate 7 is supported at a right angle to the side plate 5 so as to protrude from the side plate 5 at a substantially right angle. The mounting plate 7 has a through hole 8
to be drilled.

A pedestal 10 having a U-shaped cross section is mounted on the frame 1, and a square-shaped bracket 12 is attached to the pedestal 10.
are fixed with bolts 11, and the upper horizontal protrusion of the bracket 12 is used as a support plate 13. The support plate 13
When the engine hood 4 is closed, the mounting plate 7 is
The support plate 1 is positioned so that the top and bottom correspond to
3, a large-diameter fitting hole 14 that vertically matches the through hole 8 of the mounting plate 7 is bored. The fitting hole 14 has a diameter that allows a cylindrical rod portion 16 of a buffer body 15 (described later) to be loosely inserted therethrough.

Reference numeral 15 denotes a cylindrical buffer made of an elastic material such as rubber, which has a flange 17 formed on the top of a rod 16 and a vertical insertion hole 18 in the center.

The insertion hole 18 has approximately the same diameter as the through hole 8 of the mounting plate 7, the centers of the insertion hole 18 and the through hole 8 are aligned, and the flange 17 is brought into contact with the lower surface of the mounting plate 7, and further, From above the mounting plate 7, the through hole 8 and the insertion hole 18
The shaft rod 20 is inserted through the shaft, and its lower portion protrudes from the lower end of the buffer body 15. The shaft rod 20 has a screw 21 formed at its lower part, the outer diameter of which is approximately equal to the insertion hole 18, and a butterfly-shaped screw head (locking piece) 22 is provided at its upper end. be. A nut (clamping piece) 24 is screwed onto the lower screw 21 from below through a washer 23, and the buffer body 15
is held between the screw head 22 and the nut 24,
It is held by the mounting plate 7.

Rotate the engine hood 4 around the support shaft 3,
In the closed state covering the engine, the buffer body 15
The rod portion 16 is inserted into the fitting hole 14 of the support plate 13 to be in the state shown in FIG. Therefore, the flange 17 of the buffer body 15 is interposed between the mounting plate 7 and the support plate 13,
It elastically contracts under the load of the engine hood 4 and the like, thereby creating a buffering effect between the engine hood 4 and the support plate 13.

As shown in FIG. 3, by rotating the shaft rod 20 and threading the nut 24 along the thread, and raising the nut 24, the rod portion 16 is connected to the mounting plate 7 and the nut 2.
4, the rod portion 16 is elastically contracted in the vertical direction, and an arcuate bulging surface S is formed on its outer peripheral surface. Therefore, the bulging surface S engages with the lower circumferential surface of the fitting hole 14 of the support plate 13, and the rod portion 16 is prevented from being pulled out upwardly from the fitting hole 14. It becomes locked state against.

4 and 5 show a second embodiment of the present invention, in which the shaft rod 20a, which passes through the through hole 8 of the mounting plate 7 and the insertion hole 18 of the buffer body 15, projects downward from the buffer body 15. A clamping piece 24a having a larger diameter than the rod is provided at the lower end.
An arcuate cam lever 30 is rotatably supported on the upwardly projecting upper end of the mounting plate 7 by a support shaft 29.

The arcuate cam lever 30 is formed from a gripping portion 31 and an arcuate cam (locking piece) 32 connected to the gripping portion 31, and the distance of the cam surface of the cam 32 from the support shaft 29 is determined by the tip x. The cam surface should be the minimum, and the maximum on both sides y, y, and the cam surface should always be attached to the mounting plate 7.
Make sure it touches the top surface.

Therefore, when the grip portion 31 is vertically held as shown in FIG. 4, the minimum protruding end x of the tip portion is
The distance between the upper surface of the mounting plate 7 and the support shaft 29 is minimized, the clamping piece 24a of the shaft rod 20a is at the lowest position, and the rod portion 16 of the buffer body 15 is in contact with the upper surface of the mounting plate 7.
The clamping pressure is relaxed between the clamping piece 24a and the clamping piece 24a, and no bulging surface S is generated on the outer circumferential surface of the rod portion 16. In this state, the engine hood 4 is opened and closed.

When the engine hood 4 is closed and locked, the lever 30 is tilted as shown in FIG. 5, and the end z slightly beyond the maximum protruding end y of the side part comes into contact with the mounting plate 7. In this state, the rod portion 16 exceeds the position where it receives the maximum clamping pressure between the mounting plate 7 and the clamping piece 24a (the position where the end y contacts the top surface of the mounting plate 7), so moderation in the reverse rotation direction occurs. , involuntary backward movement of the lever 30 is prevented, and the lever 30 is stably held in its position.

In the state shown in FIG. 5, the distance between the support shaft 29 and the upper surface of the mounting plate 7 is large, so the shaft rod 20a is pulled upward, and the rod portion 16 of the buffer body 15 is inserted between the mounting plate 7 and the clamping piece 24a. is clamped and compressed in the vertical direction to form a bulging surface S on its circumferential surface, and the through hole 1 of the support plate 13
4 and the fitting hole 14 of the rod portion 16.
upward extraction from the engine hood 4 is prevented.
is in a locked state.

This embodiment is the same as the first embodiment in that the flange 17 of the buffer body 15 provides a buffering effect between the engine hood 4 and the support plate 13 in the locked state.

As clarified in the above explanation, the present invention
A buffer body 15 made of an elastic material is attached to the lower surface of the mounting plate 7 protruding from the engine hood 4, and when the hood 4 is closed, the flange of the buffer body 15 is placed between the support plate 13 attached to the frame side. 17, so that the flange 17 cushions the load of the engine hood 4 and the seats above it, and the rod 16 is inserted through the fitting hole 14 formed in the support plate 13. Clamping pieces 24, 24a are provided at the lower ends of the shaft rods 20, 20a which protrude downward and are further inserted into the center of the buffer body 15, and come into contact with the lower surface of the buffer body 15, and by raising the clamping pieces 24, 24a. The rod portion 16 is connected between the clamping pieces 24, 24a and the mounting plate 7.
By elastically contracting in the vertical direction and forming a bulging surface S on its outer peripheral surface, the rod portion 16 is engaged with the bulging surface S and the lower peripheral surface of the fitting hole 14 of the support plate 13
Since it is made impossible to escape from the fitting hole 14 and the engine hood 4 is locked, the engine hood 4 can be cushioned and locked by one device, and the number of parts is reduced. It has excellent effects such as being inexpensive and reducing the number of installation steps.

[Brief explanation of the drawing]

Fig. 1 is a side view of an engine hood with a conventional device attached, Figs. 2 and 3 show an embodiment of the present invention, Fig. 2 is a longitudinal sectional front view, and Fig. 3 is the same view in a locked state. , 4 and 5 show other embodiments, with FIG. 4 being a longitudinal sectional front view and FIG. 5 being the same view in a locked state. 4...Engine hood, 7...Mounting plate, 8...
Through hole, 13... Support plate, 14... Fitting hole, 15...
...buffer, 16...rod, 17...flange, 20...
...Shaft rod, 22...Screw head (locking piece), 24...Nut (pinch piece), 24a...Pinch piece, 30...
Cam lever, 32... Arc cam (locking piece).

Claims (1)

[Claims for Utility Model Registration] (1) A mounting plate projects approximately horizontally from the side plate of the engine hood, and a shock absorber made of an elastic material with a flange formed at the upper end of the rod is attached to the mounting plate. The through hole and the insertion hole of the shock absorber are arranged on the lower surface of the mounting plate so as to match vertically, and a shaft rod is inserted through the through hole and the insertion hole, and the lower end of the shaft rod is arranged on the lower surface of the shock absorber. A clamping piece that can be moved up and down is provided, and a locking piece that contacts the top surface of the mounting plate is provided at the upper end. A support plate with a fitting hole through which the rod of the body is inserted downward is provided on the main body frame side, and by holding the clamping piece in the raised position, the rod of the shock absorber that protrudes downward from the support plate can be moved in the vertical direction. An engine hood locking device for a forklift, characterized in that the engine hood locking device for a forklift is elastically contracted and has a bulging surface formed on its outer circumferential surface to engage with a lower circumferential surface of a fitting hole. (2) A screw is formed in the lower part of the shaft rod that protrudes from the lower surface of the shock absorber, a nut serving as a clamping piece is screwed onto the screw and comes into contact with the lower surface, and a screw head serving as a locking piece is formed in the upper part of the shaft rod. An engine hood locking device for a forklift as claimed in claim 1, wherein the nut is screwed along a screw and held in the raised position. (3) Fix a clamping piece to the lower end of the shaft rod, pivotally support an arcuate cam lever on the upper end of the shaft rod, contact the cam surface of the arcuate cam that serves as the locking piece with the top surface of the mounting plate, and rotate the lever around the support shaft. Utility model registered as claimed in claim 1, in which the gripping piece is held in the raised position together with the shaft rod by increasing the distance between the contact point of the cam and the supporting shaft of the lever. engine hood lock device.