JPH0717646Y2 - Combine engine cover locking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (C) Industrial Field of Application The present invention relates to a locking device for detachably mounting an engine cover of an engine mounted on a machine base of a combine.

(B) Conventional technology Conventionally, the engine is mounted on the outside of the machine base, the outside lower part of the engine cover is pivotally attached so that it can be opened and closed, and the inside is overlapped with the projecting gold protruding from the machine frame and fastened with screws. The engine cover locking device of the combine is
It is already known from the publication 48589.

(C) Problems to be Solved by the Invention The known device is troublesome because the screw extraction and screwing operations have to be performed every time the engine cover is opened and closed, and the engine cover itself or The shaft support has a mounting gap, a manufacturing error, an assembly error, and the like. In addition, if it is a monocoque type made of a thin iron plate for cost reduction, it is easily distorted, so when closing and fixing the engine cover, the engine cover It took a lot of time to align the holes of the holes with the screw holes of the receiving plate.

(D) Means for Solving the Problems The present invention has an engine mounted on the outside of the machine base, and an engine cover for covering the engine is rotatable about a fulcrum provided on the outside of the machine base. In the combined harvester, the part corresponding to the engine cover on the inner side of the machine base is
A locking pin with a tapered tip that is erected from the machine base via a support member is provided.In the engine cover near the inside of the machine base, the base is fixed to the engine cover and the tip is in the shape of a letter V. Provided are a guide body which is opened and which has a groove formed along the circumferential direction in which the engine cover rotates, and a hook which is pivotally attached to the engine cover and has an opening at the tip thereof in a direction intersecting with the groove. When the engine cover is rotated from the open position to the closed position, the C-shaped tip and groove of the guide body engage with the locking pin from above to guide the engine cover to the predetermined locking position. The opening of the hook is engaged with the locking pin from the direction intersecting with the groove to prevent the opening of the engine cover, thereby solving the above-mentioned problems.

(E) Action When opening the engine cover to perform maintenance on the engine, rotate the hook pivotally attached to the engine cover to remove the hook opening from the locking pin. As a result, the locking of the engine cover can be easily released and the engine cover can be opened.

Also, when the engine cover is closed after the maintenance work, if the engine cover is rotated around the lower fulcrum shaft, the groove of the guide body provided on the engine cover engages with the locking pin and the engine cover Is guided to a predetermined locking position. In this case, the engine cover itself or its shaft support is
When the engine cover is rotated to the closed position due to mounting gaps, manufacturing errors, and assembly errors, the groove of the guide body does not always face the locking pin, and the locking position may be slightly displaced.

However, since the tip of the locking pin is formed in a taper shape and the tip of the guide body is formed in a V-shape, the C-shaped tip and groove of the guide body are engaged with the locking pin from above to guide the guide pin. The positioning is performed so that the groove of the body fits into the locking pin at a predetermined position. Therefore, the engine cover is guided to a predetermined locking position, and when the hook is then rotated, the opening of the hook engages with the locking pin from the direction intersecting with the groove, and the opening of the engine cover is blocked. Put the engine cover in the locked state.

(F) Embodiment An embodiment of the present invention will be described with reference to the combine in the drawings. Reference numeral 1 denotes a threshing device mounted on one side of a machine base 3 having a traveling device 2, and a cutting device 4 in front of the threshing device 4. Pretreatment device 5 consisting of a grain culm transporting device which doubles as a handling depth adjusting device
Is mounted so that it can be moved up and down, and at the other end of the machine stand 3, an operation panel 6, a driver's seat 7, and a grain tank 8 are arranged in order from the front, and on the machine stand 3 below the driver's seat 7. Mounted on the engine
The lower part of the outside 10 is covered with an engine cover 12 which is rotatably supported by a fulcrum shaft 11. The driver's seat 7 is attached to the engine cover 12, and the operation panel 6 and the driver's seat 7 are attached.
A lever panel 14 for guiding operation levers such as a main speed change lever 13 and a sub speed change lever is provided in a region extending inside.

Then, the radiator 15 installed upright on the outside of the engine 10.
The upper portion of the radiator bracket 16 to which is attached and the supporting member (supporting frame) 17 installed inside the lever panel 14 are connected by a lateral supporting member (horizontal frame) 18, and the lever of the lateral supporting member 18 is connected. A locking pin 20 having a tapered tip is provided upright near the panel 14.

A guide body 22 is formed on the upper surface of the engine cover 12 on the inner side, and has a groove 21 formed in a lateral direction (a direction along the circumferential direction in which the engine cover 12 rotates) with a tip opening in a V shape.
Hook 23 which has a rearward opening at the tip by welding
The bolt 25 is inserted into and fixed to the hole of the base of the guide body 22 through the washer and the hole of the base of the guide body 22 and the hole of the engine cover 12 from above, and is rotatably tightened by the nut 26. The hook 23 has an operating lever 24 projecting forward.

Further, the inside of the engine cover 12 is bent downward, and a cushioning closing member 27 made of sponge or the like that is pressed against the lever panel 14 is adhered to the bent portion, and the engine of the support member 18 is A hole 30 is formed at a portion corresponding to the oil filler plug 28 so as to receive and fit the funnel 29.

When the engine cover 12 is opened for refueling the engine 10 or for servicing the engine 10, the opening of the hook 23 is locked when the operation lever 24 protruding to the front of the driver's seat 7 is rotated outward. Since the pin 20 separates from the pin 20 as shown in FIG. 1, when the upper portion of the engine cover 12 is pulled outward in this state, the engine cover 12 opens as shown in FIG.

In addition, after maintenance etc., the engine cover 12 is a lever panel.
When the guide cover 22 is turned to the 14 side, first, the groove 21 of the guide body 22 is fitted into the locking pin 20 from the expanded portion at the tip thereof as shown in FIG. Even if there is rattling in the pivotal part of it, or if it is formed as a monocoque type with a thin iron plate and distorted, the groove 21 will lock the pin 20
Easily fits into. Next, when the operation lever 23 is rotated from the state shown in FIG. 1 to the lever panel side as shown in FIGS. 3 and 4, the opening portion of the hook 23 is fitted into the locking pin 20 from the front side, The locking of the engine cover 12 is completed.

At this time, the buffer closing member 27 is compressed between the locking pin 20 and the bent portion inside the engine cover 12, so that the hook 23
Prevents the lock pin 20 from coming off.

If the support member 18 is provided with a funnel-shaped portion 29a as shown in FIG. 9, the engine 10 can be operated by one person without using the funnel 29.
When the funnel-shaped portion 29a is extended outward to form a rib-shaped concave groove, it also reinforces the support member.

Further, as shown in FIGS. 10 to 11, a casing 31a accommodating an air cleaner 31 is provided at the rear portion of the driver's seat 7, and the outlet of the air cleaner 31 is connected to the intake of the engine 10 by a hose 32. Two intake pipes 33, 34 are connected to the.
By providing the air cleaner 31 in the rear part of the driver's seat 7 in this way, the space in the rear part of the driver's seat can be effectively used.
Usually, a loud intake noise is generated and the driver feels uncomfortable.

However, in this example, the front intake pipe 33 is bent outward, the rear intake pipe 34 is connected to the front intake pipe 33, and the intake pipe 34 is projected outward from the housing 31a. The intake sound can be reduced because the length is made longer by bending it backward and extending it between the grain culm tank 8 and the threshing device 1. Further, the intake pipe 34 serves as a mounting member for the flasher lamp 35, and also serves as a handle for preventing the fallen vehicle of an assistant who replaces the bag in the paddy processing unit when the grain tank 8 is a hopper type.

(G) Effect of the invention As described above, the invention is designed so that the engine 10 is provided near the outside of the machine base 3.
In which the engine cover 12 that covers the engine 10 is rotatable around a fulcrum 11 that is provided on the outer side of the machine base 3 and corresponds to the engine cover 12 on the inner side of the machine base 3. From the machine base 3 to the support members 17,1
Locking pin 2 with a tapered tip that is erected via 8
0 is provided, and the engine cover 12 on the inner side of the machine base 3 is provided with a groove 21 along the circumferential direction in which the base is fixed to the engine cover 12 and the tip thereof is open in a V shape and the engine cover 12 rotates. The drilled guide body 22 and the engine cover 12
A hook 23 pivotally rotatably attached to the engine cover and having an opening in the direction intersecting with the groove 21 at the tip,
When rotating 12 from the open position to the closed position, the guide body
The C-shaped tip of 22 and the groove 21 are engaged with the locking pin 20 from above to guide the engine cover 12 to a predetermined locking position, while the opening of the hook 23 is in a direction intersecting with the groove 21. Since the engine cover 12 is configured to be engaged with the locking pin 20 to prevent the engine cover 12 from being opened, the engine cover 12 that is rotatably supported by the fulcrum shaft 11 and can be opened and closed is attached to the rotational pivot support portion. If there is a gap, a manufacturing error, etc., and if it is made of a thin iron plate to reduce the cost, distortion is likely to occur at the time of opening and closing, and the positioning of the locking portion is troublesome.
The C-shaped tip and the groove 21 can be easily fitted and positioned from above into the taper portion of the tip of the locking pin 20, and the cost of the engine cover 12 can be reduced, and the engine cover 12 can be quickly and securely mounted. To the predetermined locking position, and then turn the hook 23 to move the opening of the hook into the groove.
The engine cover 12 can be securely fixed by a very simple operation of fitting the locking pin 20 from the direction intersecting with 21.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is a plan view of an essential part, FIG. 2 is a transverse sectional view of the same, FIG. 3 and FIG.
FIG. 7 is a plan view showing the operation, FIGS. 5 and 6 are perspective views showing a state in which the engine cover is opened, FIG. 7 is a perspective view of the combine, FIG. 8 is a front view showing a refueling state, and FIG. Is a sectional view showing another example of refueling, FIG. 10 is a side view of the air cleaner device, and FIG. 11 is a front view of the same. 3 ... Machine stand, 7 ... Driver's seat, 8 ... Grain tank 10 ... Engine, 11 ... Support shaft, 12 ... Engine cover 14 ... Lever panel, 17 ... Support member (support frame), 18 …… Supporting member (horizontal frame) 20 …… Locking pin, 21 …… Groove, 22 …… Guide body 23 …… Hook

Claims (1)

[Scope of utility model registration request] 1. An engine cover (12) for mounting an engine (10) on the outside of a machine base (3) and covering the engine (10).
In a combine that is rotatable about a fulcrum (11) provided on the outside of the machine base (3), a portion corresponding to the engine cover (12) on the inside of the machine base (3) is
A locking pin (20) having a tapered tip is provided upright from the machine base (3) through the support members (17) and (18), and an engine cover (inside the machine base (3) near the inside ( 12) has
A guide body (22) having a base portion fixed to the engine cover (12), a distal end thereof opening in a V shape, and a groove (21) along the circumferential direction in which the engine cover (12) rotates, and an engine cover. The groove (21) is rotatably pivotally attached to (12).
When the engine cover (12) is rotated from the open position to the closed position by providing a hook (23) having an opening in the direction intersecting with the hook (23), the guide body (22) has a V-shaped end and The groove (21) engages with the locking pin (20) from above to guide the engine cover (12) to a predetermined locking position, while the opening of the hook (23) intersects with the groove (21). A combine engine cover locking device, characterized in that the engine cover (12) is configured to be engaged with the locking pin (20) from the direction to prevent the engine cover (12) from opening.