JP2652013B2 - Combine sun visor device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a combine sun visor device in which a sun visor for awning is provided above a driver's seat.

Conventionally, as shown in Japanese Utility Model Application Laid-Open No. 59-141730, a sun visor is provided to cover the upper side of an operator sitting in a driver's seat, and the sun visor is mounted on an up-and-down movable column and stored in a low position. There is technology.

[Problem to be Solved by the Invention] In the conventional technique, since the operating member for changing the mounting position of the sun visor is provided at the connecting portion between the sun visor and the support, the operator in the driver's seat needs to operate the operating member facing backward. There is a problem that the operator cannot handle the operating member while operating the vehicle in the standing posture. 54-30
As disclosed in Japanese Patent Publication No. 029, there is also a technique of disposing an operating member at a front position where a worker can handle the vehicle while operating in a standing posture, but the support is bent in an inverted L shape to extend the upper end side forward. However, there is a problem that simplification of the support and the undulating structure cannot be easily achieved. Furthermore, in the above-mentioned prior art, since the sun visor is directly attached to the support, there is a problem that simplification of the sun visor and reduction of the manufacturing cost cannot be easily achieved.

[Means for Solving the Problems] However, the present invention provides a sun visor that can be erected on the rear side of the driver's seat so that it can be raised and lowered, attached to the rear of the sun visor at the upper end of the left and right columns, and can be stored in a low position. In a combine sun visor device arranged at a high position above a driver's seat, rear end portions of left and right vertical frames are rotatably provided at upper ends of the support columns via vertical rotation fulcrum shafts, and front and rear lateral portions are provided at front and rear end portions of the left and right vertical frames. At both ends of the frame are connected, a sun visor is mounted on the upper surface side of each frame of the rectangular frame shape in plan view, and a locking member that is detachably engaged with at least one of the right and left columns is mounted on the rear end side of the vertical frame. An inclination adjusting lever for adjusting the inclination of the sun visor in the longitudinal direction by disengaging the locking member is arranged on the front end side of the vertical frame, and a handle bar is attached to the horizontal frame at the front end of the vertical frame. The tilt adjustment lever is rotatably provided on the handle rod via a fulcrum shaft.

[Operation] Accordingly, since the sun visor is attached to each of the frames, the simplification of the sun visor and reduction of the manufacturing cost can be easily achieved, and the tilt adjusting lever and the locking member are connected by using the front and rear ends of the vertical frame. Since it is mounted, the support structure and connection structure of the tilt adjusting lever and the locking member can be easily simplified, and the tilt adjusting lever is provided at a position where the operator can handle while operating in a standing posture. There is no need to perform the lever operation facing backwards, and it is not necessary to bend the column forward and extend it, and it is possible to easily improve the inclination adjustment operability of the sun visor and simplify the undulating structure of the column, In addition, since the operator can also operate the tilt adjustment lever with the hand holding the handlebar, the operator can use one hand to release the locking member using the tilt adjustment lever and adjust the sun visor front and rear tilt using the handlebar. Resulting performed towards, for example, there is no need to adjust the to disengage the locking member and the other hand the inclination of the sun visor in one hand, it is intended to obtain aim to facilitate and simplify the handling operations.

Embodiment An embodiment of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a rear view of the sun visor section, FIG. 2 is a side view of the whole, and FIG. 3 is a plan view of the same. In FIG. 1, (1) is provided with traveling crawlers (2) and (2) on the left and right. (3) is a chassis which is a chassis frame fixedly supported on the track frame (1), (4) is a feed chain (5) which is stretched to the left side and has a built-in handling cylinder (6). A threshing unit, (7) a cutting unit provided with a cutting blade (8), a grain culm transport mechanism (9), and the like supported by the machine base (3) in a vertically movable manner;
(10) is a straw cutting section (12) that faces the end of the straw chain (11) connected to the end of the feed chain (5), an engine section that drives each section of the combine, and (13) is a fryer cylinder ( A grain tank for storing grains taken out from the threshing unit (4) while facing 14), (15) is a discharge slower for taking out grains in the grain tank (13) to the outside, and (16) is a discharge slower for taking out grains in the grain tank (13). Grain discharge cylinder foldably connected to the discharge thrower (15), (17)
Is a cab having a driver's seat (18) and a driving operation unit (19),
Reference numeral (20) denotes a sun visor disposed above the driver's seat (18). The sun visor continuously cuts the culm at the cutting unit (7), and thresh-processes the cut culm at the threshing unit (4). It is configured to be.

As shown in FIGS. 4 to 12, the sun visor (20)
Is the supply plate (2) at the threshing section (4) on the left side of the driver's seat (18).
1) A pair of left and right parallel links (22) facing upward
(23), which are movably provided via a cylindrical shaft (24) (25) fixed to the upper end of the parallel link (22) (23). The sun visor mounting plates (30) and (31) are rotatably mounted on the mounting plates (30) and (31) via the fixing plates (28) and (29), and the sun visor (20) is fixed to the mounting plates (30) and (31). 32) and (33) are vertically rotatably connected via pivot shafts (34) and (35), and a horizontal frame is provided between the mounting plates (30) and (31) and the pivot plates (32) and (33). (36) and (37) are provided so as to be integrally connected.

Further, a front horizontal frame (40) is connected to a horizontal frame (37) connecting the pivot plates (32) and (33) via left and right vertical frames (38) and (39). 37)
(38) The sun visor (20) is fixedly supported on the (39) (40), and a plurality of adjustment holes () for adjusting the forward and backward inclination angles of the sun visor (20) about the fulcrum shafts (34) and (35). 41) is provided on the right side portion (31a) of the right mounting plate (31). Then, the L-shaped tilt adjustment pin (43), which is inserted integrally into the arbitrary adjustment hole (41) and the pin insertion hole (42) of the pivot plate (33), is inserted into the right vertical frame (39). A fulcrum shaft (47) is fixed to the rear end of the moving shaft (45) and is attached to a handle rod (46) fixed to the horizontal frame (40).
(48) and a tilt adjustment lever (51) rotatably provided via the left and right rocking plates (49) and (50), and the right rocking plate (50) is provided.
The rotating shaft (45) through a long hole (52) and a pin (53)
Connect the front end and move the lever (51) as shown by the imaginary line in FIG.
When the rotating plate (45) is rotated downward, the rotating shaft (45) is rotated counterclockwise so that the pin (43) is detached from the holes (41) and (42), and these mounting plates (31) are removed. A tension spring that extends between the pivot plate (33) and the rotating shaft (45) when the positioning force between the pivot plate (33) and the pivot shaft (45) is released while releasing the operating force of the lever (51) after adjustment. (54) The pin (43) is inserted into each of the holes (41) and (42) with force, and the mounting plate (31) and the pivot plate (33) are integrally connected to each other so that the sun visor (2
0) is fixedly held at the mounting position.

As is clear from the above description, the parallel links (22) and (23), which are left and right supports, are erected upright on the rear side of the driver's seat (18), and the sun visor (20) is ), A sun visor (20) which is attached to the rear side and which can be stored at a low position, is arranged at a high position above the driver's seat (18).
2) (23) The left and right vertical frames (38) (39) are provided rotatably at the upper ends via the vertical rotation fulcrum shafts (34) (35), and the left and right vertical frames (38) (39) The front and rear ends are connected to the front and rear horizontal frames (40) and (37) at both ends, and the sun visor (20) is attached to the upper surface of each of the frames (37), (38), (39) and (40) in a square frame shape in plan view. At least one of the right and left parallel links (23) is attached to the rear end of the vertical frame (39) with a tilt adjusting pin (43), which is a locking member that is removably engaged with the parallel link (23). The tilt adjustment lever (51) for adjusting the tilt of the sun visor (20) in the forward and backward directions by disengaging the sun frame (20) is disposed at the front end of the vertical frame (39). (46) is fixed, and a fulcrum shaft (47) is attached to the handle rod (46).
The tilt adjusting lever (51) is rotatably provided via (48).

As described above, the sun visor (20) is attached to each of the frames (37) to (40) to simplify the sun visor (20), reduce the manufacturing cost, and the like.
Attachment of the tilt adjustment lever (51) and the locking member (43) using the front and rear ends of the simplification of the support structure and connection structure of the tilt adjustment lever (51) and the locking member (43). A tilt adjustment lever (51) is provided at a position where the operator can handle the vehicle while operating in a standing posture, and there is no need for the operator to turn the lever (51) backward and operate the support (23) forward. There is no need to bend and extend, improving the operability of adjusting the inclination of the sun visor (20) and simplifying the undulating structure of the columns (22) and (23).
You can also operate the tilt adjustment lever (51) with your hand, and you can use one hand to perform both the detachment operation of the locking member (43) with the tilt adjustment lever (51) and the sun visor (20) front and rear tilt adjustment with the handlebar (46), For example, there is no need to release the locking member (43) with one hand and adjust the inclination of the sun visor (20) with the other hand, so that the handling operation can be simplified easily.

On the other hand, a mounting frame (56) for mounting and supporting the base ends of the parallel links (22) and (23) with the machine frame (4a) of the threshing unit (4) and the frame frames (55a) and (55b) of the engine unit (12). (Five
7), which is connected to the machine housing (4a) and the frame (55
a) The mounting frames (56) and (57) are erected and fixed to the mounting bases (58) and (59) respectively fixed to the (55b), and are fixed to the upper ends of the frames (56) and (57). The cylindrical shafts (62) and (63) fixed to the lower ends of the parallel links (22) and (23) are fitted to and supported by the lateral rotation fulcrum shafts (60) and (61), respectively. ) Centered parallel link to the left (22)
(23) The base end is rotatably provided. Then, lock fittings (64) (65) having a shape integrally connecting the links (22) (23) and the fixing plates (28) (29) are inserted into the long holes (66) (67) and the pins (68) (69). ) Swingable through each fixed plate (28)
Attach to the lock pins (70) and (71) of the links (22) and (23) with the hook-shaped pin engaging grooves (72) and (73) at the lower end. When engaged, the locks (64) and (65) are fitted to the outside of the links (22) and (23) and the fixing plates (28) and (29) to lock and lock the parallel links (22) and (23). The sun visor (20) is erected and held by restricting lateral movement, while the pin (70) (71) is disengaged from the groove (72) (73) to lock the metal fitting (64).
Links (22) (23) and fixing plates (28) (29) by (65)
When the lock between them is released, the sun visor (20) can be moved to the left. In this case, the upper and lower ends of the parallel links (22) and (23) and the sun visor (20) and the body side are fixed plates (28) and (29).
And the contact frame (56) (57) is wrapped to form a long contact surface (a), and the fulcrum shafts (26) (27) and (60) (61) and the cylindrical shaft (24) An elastic body (74) such as a spring for elastically pressing the contact surface (a) is interposed between (25) and (62) (63) to move the sun visor (20) to the side parallel link (22). ) (23) is configured to prevent rattling and the like and to allow smooth movement thereof. Further, as shown in FIGS. 5 and 6, the working length of the contact surface (a) of the fixing plates (28) and (29) with respect to the fulcrum shafts (26) and (27) is changed to the right side length with respect to the left side length (L). The lock fitting (64) is formed with a pair (l).
When the lock by (65) is released and it is made to hang down as shown by the imaginary line in the figure, the right side lock (65) is made to interfere with the right side link (23), and the left side link ( It is configured such that bending at 22) is possible and bending at the right link (23) is not possible to improve safety at the time of unlocking.

Reference numeral (75) denotes an absorber provided between the fixed plate (28) and the pivot plate (32).

By the way, stopper pins (76) and (77) are integrally fixed to the mounting frames (56) and (57), and when the parallel links (22) and (23) are in a sideways storage state, the links (2) and (23) are
2) (23) Insert the pins (76) (79) into the pin holes (78) (79) opened at the base end, and connect the nuts (80) to these pins (76) (77), so that the links (22) (23) Is configured to maintain the position in the storage position.

Reference numerals (81) and (82) denote stoppers for restricting the movement of the links (22) and (23) to the right outside of the fuselage when the links are erected.

In this embodiment, the sun visor (20) is connected to the driver's seat (18) during mowing or the like assuming the above configuration.
At the same time, the parallel links (22) and (23) are folded to the left side to allow the sun visor (20) to face above the inlet supply plate (21) in the height regulation such as when traveling on a road. Therefore, even when the sun visor (20) is in the stowed state during traveling on a road or the like, the position of the driver's seat (18) can be maintained without obstructing the view in the front-rear direction by the sun visor (20). In addition to the good driving operation at the entrance, when the rain starts, the inlet supply plate (21
The rice on 9 can be protected from rain by the sun visor (20).

Also, during the storage operation of the sun visor (20),
Even when the locks (64) and (65) are unlocked and the metal fittings (64) and (65) are naturally lowered as shown by the phantom lines in FIGS. (65) and the link (23) are slightly wrapped to prevent bending.
Even when the sun visor (20) is stored by one worker, it is convenient and excellent in safety.

Further, when adjusting the forward / backward tilt angle of the sun visor (20), the operation lever (51) is arranged near the upper side of the handlebar (46), so that the operation is easy,
Even when the sun visor (20) is stored, the lever (51) is located near the left of the driver's seat (18) to facilitate the operation thereof. Since the rotating shaft (45) connecting the (43) portion is inserted into the vertical frame (39), the structure can be provided compactly.

[Effects of the Invention] As is clear from the above examples, the present invention provides
8) The left and right columns (22) and (23) are erected up and down on the rear side, and the left and right columns (22) and (23) are sun visors (20) on the upper side.
The sun visor (2
0) is arranged at a high position above the driver's seat (18) in a combine visor device, wherein the left and right vertical frames (34) and (35) are provided at the upper ends of the columns (22) and (23) via vertical pivot shafts (34) and (35). 38) (39) Left and right vertical frames (38) (39) Front and rear horizontal frames (40) at front and rear ends
(37) Both ends are connected, and each of the frames (37), (38), (39), and (40) in the form of a square frame in a plan view is provided with a sun visor (2
0), and at least one of the right and left (23) is detachably engaged with the locking member (43) to be engaged with the vertical frame (3).
9) Attaching to the rear end side, and disengaging the locking member (43) to adjust the inclination of the sun visor (20) in the front-rear direction and disposing an inclination adjusting lever (51) on the front end side of the vertical frame (39); A handle rod (46) is fixedly mounted on the horizontal frame (40) at the front end of the vertical frame (39), and the tilt adjustment lever (51) is attached to the handle rod (46) via fulcrum shafts (47) and (48). Each of the frames (37) to (4)
Attach the sun visor (20) to the sun visor (2)
0) can be simplified and the manufacturing cost can be easily reduced, and the inclination adjusting lever (51) and the locking member (43) are attached by using the front and rear ends of the vertical frame (39). The support structure and connection structure of the tilt adjustment lever (51) and the locking member (43) can be easily simplified, and the tilt adjustment lever ( There is no need for the operator to operate the lever (51) facing the mark and there is no need to bend the support post (23) forward and extend the sun visor (2).
0) can be easily improved, and the undulating structure of the columns (22) and (23) can be easily simplified. ) Since the operation can be performed, tilt adjustment lever (51) with one hand
The locking member (43) can be released from the locking member (43) and the sun visor (20) can be adjusted forward and backward by the handlebar (46). For example, the locking member (43) can be released with one hand and the sun visor can be separated with the other hand. It is not necessary to adjust the inclination of (20), and the handling operation can be simplified easily.

[Brief description of the drawings]

FIG. 1 is a rear view of the sun visor section, FIG. 2 is an overall side view of the combine, FIG. 3 is a plan view of the same, FIG. 4 is a partial rear view of the combine section, FIG. FIG. 6 is a partial explanatory view of the same, FIG. 7 is a plan explanatory view of a forward / backward tilt adjustment lever portion of the sun visor, FIGS. 8 to 9 are explanatory views of a left link proximal end, and FIG. 10 is a right link proximal end. It is explanatory drawing of a part. (18) Driver's seat (20) Sun visor (22) (23) Parallel link (post) (34) (35) Vertical pivot shaft (37) (40) Horizontal frame ( 38) (39) Vertical frame (43) Tilt adjusting pin (locking member) (46) Handle bar (47) (48) Support shaft (51) Tilt adjusting lever

Claims (1)

(57) [Claims] 1. The left and right supports (22) and (23) behind the driver's seat (18).
The sun visor (20) is attached to the rear of the sun visor (20) at the upper end of the left and right columns (22) and (23), and the sun visor (20) that can be stored at a low position is located at a high position above the driver's seat (18). In the combine sun visor device to be disposed, left and right vertical frames (38) (39) rear ends are rotatably provided at the upper ends of the columns (22) and (23) via vertical pivot shafts (34) and (35). The left and right vertical frames (38) and (39) are connected to the front and rear ends of the front and rear horizontal frames (40) and (37) at both ends, so that each of the frames (37) (38) (39) (40 ) A sun visor (20) is mounted on the upper surface side, and a locking member (43) for removably engaging at least one of the right and left columns (23) is mounted on the rear end of the vertical frame (39). The tilt adjusting lever (51) for adjusting the forward / backward tilt of the sun visor (20) by releasing the stop member (43) Vertical frame (39)
A handle bar (46) is fixedly mounted on the front frame of the vertical frame (39) and the horizontal frame (40) at the front end, and the handle bar (46) is tilted via fulcrum shafts (47) and (48). A combine sun visor device wherein an adjustment lever (51) is provided rotatably.