Work vehicle

Abstract

To provide a service vehicle that can prevent an operation tool from moving without an operator's intention.SOLUTION: A service vehicle comprises: a PTO clutch lever 18 by which the self-weight operates itself in the predetermined operational direction; a stopping member 40 which is detachably mounted on a tractor 1 and can stop the movement of the PTO clutch lever 18 in the self-weight operating direction; and a guide member 30 into which the PTO clutch lever 18 is inserted, and in which a guide hole 31 is formed to guide the operation of the PTO clutch lever 18. The PTO clutch lever 18 is arranged in the guide hole 31 so as to be decentered on one side in the crosswise direction of the operational direction of the PTO clutch lever 18. The stopping member 40 includes a stopper 41 that blocks the one side in the crosswise direction of the guide hole 31 and opens the other side in the crosswise direction.SELECTED DRAWING: Figure 7

Description

[Technical Field]

[0001] The present invention relates to a technology for a work vehicle equipped with an operating tool. [Background technology]

[0002] Conventionally, technology for a work vehicle equipped with an operating tool has been publicly known, as described in Patent Document 1, for example.

[0003] The tractor described in Patent Document 1 is equipped with a main shift lever, a PTO shift lever, etc. The PTO shift lever is configured to be swingable left and right and up and down. The PTO shift lever is configured to tilt downward toward the rear from the tip end (grip) that the operator holds to the base end (swing center).

[0004] The PTO shift lever as disclosed in Patent Document 1 is subject to a downward swinging force due to its own weight and the vibration of the tractor, which may cause the PTO lever to swing unintentionally by the operator. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Patent No. 6952535 Summary of the Invention [Problem to be solved by the invention]

[0006] One aspect of the present disclosure has been made in consideration of the above-described situation, and the problem it aims to solve is to provide a work vehicle that is capable of restricting the movement of an operating tool unintentionally by the worker. [Means for solving the problem]

[0007] The problem to be solved by one embodiment of the present disclosure has been described above, and next, the means for solving this problem will be described.

[0008] In one aspect of the present disclosure, a work vehicle is provided with an operating tool whose weight acts in a predetermined operating direction, and a restricting member that is detachably attached to the work vehicle and can restrict movement of the operating tool in the direction in which the weight acts. The device further includes a guide member in which a guide hole is formed, through which the operating tool is inserted and which guides the operation of the operating tool, the operating tool is disposed so as to be eccentric to one side of the guide hole in the width direction relative to the operating direction of the operating tool, the regulating member includes a regulating portion that closes one side of the guide hole in the width direction and opens the other side in the width direction, a boss portion that allows the regulating member to be attached to the guide member is formed on the back side of the guide member, and a label is attached to the guide member so as to overlap the boss portion from the front side. It is something. According to one aspect of the present disclosure, it is possible to restrict the operation tool from moving unintentionally by the worker. Moreover, by moving the operating tool to the other side in the width direction of the guide hole, the worker can intentionally operate the operating tool.

[0009] In one aspect of the present disclosure, The vehicle is provided with an operating tool whose weight acts in a predetermined operating direction, and a restricting member that is detachably attached to the work vehicle and that can restrict movement of the operating tool in the direction in which the weight acts, The operating tool may further include a guide member having a guide hole formed therein through which the operating tool is inserted and which guides the operation of the operating tool, the operating tool being disposed so as to be eccentric to one side of the guide hole in a width direction relative to the operating direction of the operating tool, and the restricting member having a restricting portion disposed so as to close one side of the guide hole in the width direction and open the other side in the width direction. A groove is formed on the rear side of the guide member, and the regulating member further includes an insertion portion that can be inserted into the groove. It is something. According to one aspect of the present disclosure, it is possible to restrict the operating tool from moving unintentionally by the worker, and by moving the operating tool to the other side of the guide hole in the width direction, the worker can intentionally operate the operating tool. Furthermore, by inserting the insertion portion into the groove, the position of the regulating member can be easily adjusted relative to the guide member.

[0010] In one aspect of the present disclosure, the regulating member further includes a guide portion capable of guiding movement of the operating tool in a direction opposite to a direction in which the weight of the operating tool acts. According to one aspect of the present disclosure, the operability of a manipulator can be improved.

[0011] In one aspect of the present disclosure, the regulating member further includes a fixed portion fixed to the guide member, and the guide portion is positioned at a position displaced relative to the fixed portion in the operating direction of the operating tool. According to one aspect of the present disclosure, the operability of a manipulator can be effectively improved.

[0012] In one aspect of the present disclosure, the regulating member is detachably attached to the rear side of the guide member. According to one aspect of the present disclosure, the guide member can make the restricting member less visible to the worker.

[0014] In one aspect of the present disclosure, the regulating member further includes a fixing portion fixed to the guide member, the regulating portion being arranged so as to be exposed on the front side of the guide member through the guide hole, and the fixing portion being arranged so as to be hidden on the back side of the guide member. According to one aspect of the present disclosure, the fixing portion can be made less visible to the worker.

[0016] In one aspect of the present disclosure, the restricting member further includes a recess. According to one aspect of the present disclosure, the weight of the restricting member can be reduced. [Effects of the Invention]

[0017] According to one aspect of the present disclosure, it is possible to restrict the operation tool from moving unintentionally by the worker. [Brief explanation of the drawings]

[0018] [Figure 1] 1 is a side view showing the overall configuration of a tractor according to an embodiment of the present invention; [Figure 2] Plan view showing the interior of the cabin. [Figure 3] FIG. 4 is a side view showing the PTO clutch lever and the guide member. [Figure 4] Also, plan view. [Figure 5] Partial cross section of AA. [Figure 6] BB cross section. [Figure 7] 1A is a plan view, partially in section, showing a PTO clutch lever, a guide member, and a regulating member; [Figure 8] FIG. 4 is a bottom view showing the PTO clutch lever, the guide member, and the regulating member. [Figure 9] FIG. 4 is an exploded perspective view showing a guide member and a regulating member. [Figure 10]FIG. [Figure 11] Also, a perspective view. DETAILED DESCRIPTION OF THE INVENTION

[0019] In the following description, the directions indicated by arrows U, D, F, B, L, and R in the figures are defined as upward, downward, forward, backward, leftward, and rightward, respectively.

[0020] A tractor 1 according to one embodiment of the present invention will be described below with reference to FIGS. 1 and 2. FIG.

[0021] The tractor 1 mainly comprises a machine frame 2, an engine 3, a bonnet 4, a transmission case 5, front wheels 6, rear wheels 7, fenders 8, a lifting device 9, a cabin 10, a seat 11, a steering wheel 12, etc.

[0022] The machine body frame 2 is a frame-like member formed by appropriately combining a plurality of plate materials. The machine body frame 2 is formed in a generally rectangular shape when viewed from above. The machine body frame 2 is provided at the front of the tractor 1 with its longitudinal direction facing the front-to-rear direction. The engine 3 is disposed at the rear of the machine body frame 2 and is covered by a hood 4. A transmission case 5 is fixed to the rear of the engine 3.

[0023] The front of the vehicle frame 2 is supported by a pair of left and right front wheels 6 via a front axle mechanism (not shown). The rear of the transmission case 5 is supported by a pair of left and right rear wheels 7 via a rear axle mechanism (not shown). The pair of left and right rear wheels 7 are generally covered from above by fenders 8.

[0024] A lifting device 9 is provided at the rear of the transmission case 5. A working implement such as a tiller can be attached to the lifting device 9. The lifting device 9 can raise and lower the attached working implement using an actuator such as a hydraulic cylinder. Power from the engine 3 can be transmitted to the lifting device 9 via a rear PTO shaft (not shown).

[0025] A working device such as a mower can be attached to the lower part of the transmission case 5. The power of the engine 3 can be transmitted to the working device via a mid-PTO shaft (not shown).

[0026] The power of the engine 3 is changed in speed by a transmission (not shown) housed in a transmission case 5, and then can be transmitted to front wheels 6 via the front axle mechanism, and can be transmitted to rear wheels 7 via the rear axle mechanism. The front wheels 6 and rear wheels 7 are driven to rotate by the power of the engine 3, allowing the tractor 1 to travel. The power of the engine 3 can also be used to drive a working device attached to the lifting device 9.

[0027] A cabin 10 is provided behind the engine 3. A living space for an operator is formed inside the cabin 10. As shown in FIG. 2, a seat 11 for the operator to sit on is disposed approximately in the center of the cabin 10. Operating tools for the operator to operate are provided around the seat 11. The operating tools will be described below.

[0028] A steering wheel 12 for adjusting the turning angle of the front wheels 6, a speed change pedal 13 for changing the gear ratio, etc. are arranged in front of the seat 11 (at the front of the cabin 10). A loader lever 14 for operating the front loader, and a cruise lever 15 for driving the tractor 1 at a constant speed are arranged to the right of the seat 11 (at the right of the cabin 10).

[0029] To the left of the seat 11 (left part of the cabin 10) are arranged an auxiliary speed change lever 16, a PTO selection lever 17, a PTO clutch lever 18, and the like. The auxiliary speed change lever 16 is used to change the speed of the transmission. The PTO selection lever 17 is used to select the PTO shaft, either the mid PTO shaft or the rear PTO shaft, to which power from the engine 3 is transmitted. The PTO clutch lever 18 is used to switch whether or not power from the engine 3 is transmitted to the PTO shaft selected by the PTO selection lever 17.

[0030] As shown in Figure 3, the PTO clutch lever 18 is supported on a swing shaft A1 fixed to the vehicle body so as to be swingable up and down. In a side view, the PTO clutch lever 18 tilts downward toward the rear from the grip (upper front end) that the operator holds toward the swing shaft A1. A force acts on the PTO clutch lever 18 in a direction that swings it downward due to its own weight, vibration of the tractor 1, etc. In this embodiment, a restricting member 40 restricts the swing of the PTO clutch lever 18 due to its own weight, vibration of the tractor 1, etc. (swing unintended by the operator).

[0031] 3 to 11, the restricting member 40 and various members related to the restricting member 40 will be described below. Specifically, the PTO clutch lever 18, the transmission rod 20, the guide member 30, and the restricting member 40 will be described.

[0032] As shown in Figures 3 to 5, the PTO clutch lever 18 includes a lever main body 18a, a protective portion 18b, a tubular portion 18c, and an attachment portion 18d. The lever main body 18a is the portion that is swung by the operator. The lever main body 18a is formed in a generally plate shape. The lever main body 18a is formed so as to be inclined downward toward the rear in a side view. The lower rear end of the lever main body 18a is fixed to the tubular portion 18c (described later), and when a force is applied to the upper front end in the left-right direction, the lever main body 18a can bend slightly left and right. A grip is fixed to the upper front end of the lever main body 18a.

[0033] The protective portion 18b is for protecting the lever main body 18a. The protective portion 18b is fitted onto the upper part of the lever main body 18a. The protective portion 18b is made of an elastic material such as rubber. In this embodiment, the protective portion 18b is configured so that its lateral width (the distance from the left side to the right side) is 6 to 10 mm. Specifically, the protective portion 18b is configured so that its lateral width is 8 mm. Note that the lateral width of the protective portion 18b is not limited to 8 mm, and can be changed as appropriate depending on the lateral width of the guide hole 31 of the guide member 30, which will be described later, and the like.

[0034] The cylindrical portion 18c is a generally cylindrical portion. The cylindrical portion 18c is disposed with its axis oriented in the left-right direction. The cylindrical portion 18c is supported by the oscillation shaft A1 so as to be able to oscillate.

[0035] The mounting portion 18d is a portion to which the shaft member A2 and the transmission rod 20 are attached. The mounting portion 18d is formed in a generally plate shape. The mounting portion 18d is formed so as to extend downward and forward from the outer periphery of the cylindrical portion 18c. The mounting portion 18d is connected to a sensor S, which detects the swing angle of the PTO clutch lever 18, via the shaft member A2.

[0036] The transmission rod 20 is used to transmit the pivoting operation of the PTO clutch lever 18 to a shifter (not shown) of the transmission case 5. One end of the transmission rod 20 is rotatably attached to the attachment portion 18d. The other end of the transmission rod 20 is attached to the shifter of the transmission case 5 via a connecting member L1 (see FIG. 4).

[0037] When the lever body 18a of the PTO clutch lever 18 is swung, the mounting portion 18d and the transmission rod 20 are swung accordingly. This swing of the transmission rod 20 is transmitted to the shifter via the connecting member L1. This moves the shifter, switching between enabling and disabling the transmission of power from the engine 3 to the PTO shaft. Furthermore, when the lever body 18a is swung, the shaft of the sensor S is swung via the shaft member A2. Based on the swing of the shaft, the sensor S detects the swing angle of the PTO clutch lever 18.

[0038] In this embodiment, the PTO clutch lever 18 is configured to be pivotable over a range from a first operating position P1 to a second operating position P2 shown in Figure 5. The first operating position P1 and the second operating position P2 are positions at which the PTO shaft can rotate at a predetermined rotation speed.

[0039] The operator can move the PTO clutch lever 18 to a first operating position P1 by pivoting it downward, thereby rotating the PTO shaft. The operator can move the PTO clutch lever 18 to a second operating position P2 by pivoting it upward, thereby rotating the PTO shaft. The operator can also stop the rotation of the PTO shaft by moving the PTO clutch lever 18 to a neutral position P0 between the first operating position P1 and the second operating position P2. Note that Figures 3 to 8 show the PTO clutch lever 18 pivoted to the neutral position P0.

[0040] 3 to 5 is for guiding the sub-shift lever 16, the PTO selection lever 17, the PTO clutch lever 18, etc. The guide member 30 is formed in a generally arc shape in a side view so as to fit along the fender 8 (see FIG. 1). The guide member 30 is provided inside the cabin 10 so as to cover the PTO clutch lever 18, etc. (below the protective portion 18b) from above.

[0041] The guide member 30 has a curved (arcuate in side view) upper surface that bulges forward from the upper rear portion to the lower front portion. In this embodiment, the upper surface of this upper surface (the surface visible to the worker) is referred to as the "front surface 30a," and the lower surface (the surface not visible to the worker) is referred to as the "rear surface 30b." The upper side of the upper surface of the guide member 30 is referred to as the "front side," and the lower side is referred to as the "rear side." The guide member 30 is formed by resin molding. As shown in FIGS. 3, 4, and 6, the guide member 30 has a guide hole 31, a groove portion 32, and a boss portion 33.

[0042] The guide hole 31 is a hole that guides the pivoting operation of the PTO clutch lever 18. The guide hole 31 is provided so as to pass through the guide member 30 from top to bottom. The guide hole 31 is formed so as to extend in the operating direction of the PTO clutch lever 18 (clockwise and counterclockwise directions in a side view about the pivot axis A1). The PTO clutch lever 18 is inserted into the guide hole 31. As shown in FIG. 6, the guide hole 31 and the protective portion 18b of the PTO clutch lever 18 are positioned at approximately the same height. The left-right width of the guide hole 31 is formed so as to be larger than the left-right width of the protective portion 18b (8 mm in this embodiment).

[0043] 6 and 7(a), in this embodiment, the PTO clutch lever 18 is positioned so that the left-right center of the PTO clutch lever 18 (protective portion 18b) is shifted leftward with respect to the left-right center of the guide hole 31. In this way, the PTO clutch lever 18 is positioned eccentrically to the left side of the guide hole 31 (one side in the width direction perpendicular to the operating direction of the PTO clutch lever 18).

[0044] 6, 8, and 9 is formed on the back surface 30b of the guide member 30. The groove 32 is formed to extend in the operating direction of the PTO clutch lever 18. The groove 32 is formed on each of the left and right sides of the guide hole 31. The groove 32 has a first side wall 32a and a second side wall 32b.

[0045] The first side wall 32a is formed to extend downward from the inner surface of the guide hole 31. The first side wall 32a is formed to surround the guide hole 31. The second side wall 32b is arranged at a distance to the left and right of the first side wall 32a (outside the left and right of the guide hole 31). The second side walls 32b are provided on the left and right of the first side wall 32a. The second side walls 32b are formed to extend downward from the back surface 30b of the guide member 30 to a position lower than the first side wall 32a. In this embodiment, the first side wall 32a, the second side wall 32b, and the back surface 30b of the guide member 30 form a groove portion 32 that is generally U-shaped in cross section and has an opening facing downward (see FIG. 6).

[0046] The boss portion 33 shown in Figures 3, 8, and 9 is used to attach the restricting member 40 to the guide member 30. The boss portion 33 is formed on the back surface 30b (rear side) of the guide member 30. The boss portion 33 is formed in a cylindrical shape with its axial direction facing substantially downward. The boss portion 33 is formed to the left of the second side wall 32b on the left side of the groove portion 32. The boss portion 33 is also formed forward of the PTO clutch lever 18 (protector portion 18b) that is positioned in the neutral position P0.

[0047] 4 and 7, a label L2 is attached to the surface 30a of the guide member 30 opposite the boss portion 33 so as to overlap the boss portion 33 in a plan view. Information about the PTO clutch lever 18 (e.g., the neutral position P0) is printed on the label L2.

[0048] When the guide member 30 is manufactured by resin molding, the opposite side (surface 30a side) of the boss portion 33 may be deformed. In this embodiment, the deformed portion (e.g., a recess) can be hidden by the label L2, thereby improving the aesthetic appearance.

[0049] The restricting member 40 shown in Figures 3, 10, and 11 is intended to restrict the swinging of the PTO clutch lever 18 (unintentional swinging downward due to its own weight, etc.). The restricting member 40 is formed in a longitudinal shape that extends downward toward the front. As shown in Figures 10 and 11, the restricting member 40 has a first plate portion 40a and a second plate portion 40b.

[0050] The first plate portion 40a is formed to extend in the longitudinal direction of the regulating member 40, and is disposed with its plate surface facing left and right. The right side surface of the first plate portion 40a is formed so that the rear end protrudes to the right. The second plate portion 40b is disposed with its plate surface facing approximately up and down. The second plate portion 40b is formed so that it extends leftward from the lower end of the left side surface of the first plate portion 40a. The second plate portion 40b is formed so that its left and right width decreases toward the rear end. The first plate portion 40a and the second plate portion 40b form a substantially L-shaped cross section of the regulating member 40. The regulating member 40 has a regulating portion 41, a guide portion 42, an insertion portion 43, a fastening hole 44, and a recess 45 (see Figure 9).

[0051] The restricting portion 41 shown in FIGS. 7, 9, and 11 is a portion for restricting the pivotal movement of the PTO clutch lever 18. The restricting portion 41 is formed by the rear end surface of the first plate portion 40a of the restricting member 40. As shown in FIG. 7, the restricting portion 41 is formed to protrude rightward from the left side surface of the guide hole 31. In this embodiment, the restricting portion 41 is formed to protrude 2 to 4 mm from the left side surface of the guide hole 31. More specifically, the restricting portion 41 is formed to protrude 3 mm from the left side surface of the guide hole 31. Thus, at least a portion of the restricting portion 41 is positioned inside the guide hole 31 in a plan view and is exposed to the front side of the guide member 30 through the guide hole 31 (visible to the operator). Note that the protruding width of the restricting portion 41 from the guide hole 31 is not limited to 3 mm and can be changed as appropriate depending on the left-right width of the guide hole 31, the left-right width of the PTO clutch lever 18, etc.

[0052] The restricting portion 41 configured as described above is disposed so as to abut against the protective portion 18b of the PTO clutch lever 18 at the neutral position P0. A gap C is formed between the restricting portion 41 and the right side surface of the guide hole 31, allowing the PTO clutch lever 18 to move in the operating direction. The restricting portion 41 is disposed so as to close the left side of the guide hole 31 and open the right side. In this embodiment, the width of the gap C is approximately 7 to 11 mm. More specifically, the width of the gap C is 9 mm. The width of the gap C is not limited to 9 mm and can be changed as appropriate depending on the left-right width of the guide hole 31, the left-right width of the PTO clutch lever 18, etc.

[0053] The guide portion 42 shown in Figures 7, 10, and 11 is a portion that can guide the operation of the PTO clutch lever 18. The guide portion 42 is formed at a midpoint between the front and rear of the right side of the first plate portion 40a (forward of the restricting portion 41). The guide portion 42 is configured with an inclined surface that extends toward the inside of the left and right sides (to the right) of the guide hole 31 as it extends rearward. As shown in Figure 7, the guide portion 42 is formed so as to cross the left side of the guide hole 31 in a plan view. The guide portion 42 can guide the upward swing operation of the PTO clutch lever 18.

[0054] Specifically, when the PTO clutch lever 18 is swung upward from the first operating position P1 shown in FIG. 5 (neutral position P0), the PTO clutch lever 18 comes into contact with the guide portion 42 shown in FIG. 7 from the front. The PTO clutch lever 18 is swung upward while being guided to the right rear along the shape of the guide portion 42. In this way, the PTO clutch lever 18 passes to the right of the restricting member 40 (the gap C) and is moved to the neutral position P0. In this way, the guide portion 42 can guide the upward swing operation of the PTO clutch lever 18.

[0055] 6 and 11 is a portion that can be inserted into the groove portion 32 of the guide member 30. The insertion portion 43 is formed to extend upward from the upper surface of the first plate portion 40a of the regulating member 40. The insertion portion 43 is formed from the front end to the rear end of the regulating member 40. The insertion portion 43 is formed with a protrusion 43a that protrudes to the right. In this way, the insertion portion 43 is formed so that its left-right width is partially increased.

[0056] As shown in Fig. 7(b), the insertion portion 43 is formed to the left of the guide portion 42 (to the left and right outer sides of the guide hole 31). The insertion portion 43 is formed so as to overlap with the surface 30a of the guide member 30 in a plan view. In this way, the insertion portion 43 is provided so as to be hidden behind the guide member 30 (see Fig. 7(a)).

[0057] The fastening holes 44 shown in Figures 7(b), 8, and 9 are substantially circular holes into which screws N are fastened. The fastening holes 44 are formed so as to pass vertically through the second plate portion 40b of the regulating member 40. The fastening holes 44 are formed so as to be shifted in the longitudinal direction of the regulating member 40 relative to the guide portion 42. More specifically, the fastening holes 44 are formed in the left front of the guide portion 42 (at the front end of the second plate portion 40b). In addition, the fastening holes 44 are arranged on an extension of a straight line along the guide portion 42 in a plan view (see Figure 7(b)). The fastening holes 44 are located on the left and right outer sides of the guide holes 31 and are provided so as to be hidden behind the guide member 30.

[0058] The recess 45 shown in Figures 8 and 9 is a portion formed in a recessed shape. The recess 45 is formed in the vicinity of the restricting portion 41 and the guide portion 42 (the rear end portion of the first plate portion 40a). More specifically, the recess 45 is formed between the restricting portion 41 and the guide portion 42. The recess 45 is formed so as to be recessed upward on the underside of the first plate portion 40a. The recess 45 is formed so as to follow the shape of the rear end portion of the first plate portion 40a. This makes it possible to prevent the thickness of the rear end portion, which has a large left-right width, of the first plate portion 40a from being thicker than other portions.

[0059] The regulating member 40 configured as described above is attached to the guide member 30 from below so that the center of the boss portion 33 and the center of the fastening hole 44 are aligned. At this time, the insertion portion 43 of the regulating member 40 is inserted into the groove portion 32, as shown in FIG. 6 . This makes it easy to determine the left-right position of the regulating member 40 with respect to the guide member 30. Furthermore, in this embodiment, the insertion portion 43 is formed with a protrusion 43a so that part of the insertion portion 43 has approximately the same left-right width as the groove portion 32. This allows the insertion portion 43 (protrusion 43a) to be sandwiched between the groove portion 32, preventing the regulating member 40 from falling off the guide member 30.

[0060] After the insertion portion 43 is inserted into the groove portion 32, a screw N (see FIG. 3) is fastened to the fastening hole 44 and boss portion 33 shown in FIG. 9. This fixes the regulating member 40 (fastening hole 44) to the guide member 30. In this way, the regulating member 40 is detachably attached to the back side of the guide member 30.

[0061] The restricting member 40 configured as described above can restrict the swing of the PTO clutch lever 18. This will be explained in detail below.

[0062] In this embodiment, the PTO clutch lever 18 tends to swing downward about the swing axis A1 due to its own weight, vibration of the tractor 1, etc. In this embodiment, the restricting portion 41 abuts against the protective portion 18b of the PTO clutch lever 18 in the neutral position P0 shown in Figure 5. Therefore, when the PTO clutch lever 18 is in the neutral position P0, even if the PTO clutch lever 18 tends to swing downward due to its own weight or vibration of the tractor 1, the swing is restricted by the restricting portion 41. This makes it possible to restrict swing of the PTO clutch lever 18 unintentionally by the operator.

[0063] Furthermore, since the restricting member 40 of this embodiment is detachable from the guide member 30, it can be attached to the guide member 30 as needed. For example, the restricting member 40 can be provided only in vehicle models in which the PTO clutch lever 18 is relatively likely to swing downward from the neutral position P0 due to its own weight or the like.

[0064] In this embodiment, the PTO clutch lever 18 can pass through the right side (gap C shown in FIG. 7) of the restricting portion 41. Therefore, the operator can swing the PTO clutch lever 18 from the neutral position P0 toward the first operating position P1 by bending the lever body 18a of the PTO clutch lever 18 to the right and then swinging it downward.

[0065] 7(b), the guide member 30 is disposed so that its longitudinal direction in plan view is parallel to the operating direction of the PTO clutch lever 18 (facing the front-to-rear direction in plan view). In this embodiment, the guide portion 42 and the fastening hole 44 (the fixing portion of the restricting member 40) are disposed with a deviation in position in the operating direction of the PTO clutch lever 18. This makes it easier for the restricting member 40 to bend when the guide portion 42 guides the upward swing of the PTO clutch lever 18 (rearward movement in FIG. 7), allowing the guide portion 42 to smoothly guide the PTO clutch lever 18.

[0066] In this embodiment, as shown in Fig. 8, recesses 45 are formed near the restricting portion 41 and the guide portion 42, thereby preventing the wall thickness from becoming too thick. This makes it easier for the areas near the restricting portion 41 and the guide portion 42 to bend when the PTO clutch lever 18 is operated with a strong force, thereby preventing damage to the restricting member 40 and the PTO clutch lever 18. Furthermore, the recesses 45 are formed on the underside of the restricting member 40, rather than on the top side. This prevents dirt, dust, and the like from accumulating in the recesses 45, improving maintainability.

[0067] As described above, the tractor 1 (work vehicle) according to this embodiment comprises a PTO clutch lever 18 (operating tool) whose weight acts in a predetermined operating direction (a direction in which it swings downward around the swing axis A1), and a regulating member 40 that is detachably attached to the tractor 1 and can regulate the movement of the PTO clutch lever 18 in the direction in which its weight acts.

[0068] By configuring it in this manner, a restricting member 40 that restricts the PTO clutch lever 18 from moving unintentionally by the operator (due to the weight of the PTO clutch lever 18 or vibration of the tractor 1) can be attached to the tractor 1 as needed.

[0069] The PTO clutch lever 18 is also inserted into a guide member 30 having a guide hole 31 formed therein for guiding the operation of the PTO clutch lever 18. The PTO clutch lever 18 is positioned eccentrically to one side (left side) of the guide hole 31 in the width direction relative to the operating direction of the PTO clutch lever 18. The regulating member 40 has a regulating portion 41 that closes one side (left side) of the guide hole 31 in the width direction and opens the other side (right side) in the width direction (see Figure 7(a)).

[0070] By configuring it in this manner, it is possible to prevent the PTO clutch lever 18 from moving unintentionally by the operator, and by moving the PTO clutch lever 18 to the other side (right side) of the guide hole 31 in the width direction, the operator can intentionally operate the PTO clutch lever 18.

[0071] In addition, the regulating member 40 further includes a guide portion 42 that can guide the movement of the PTO clutch lever 18 in the direction opposite to the direction in which its own weight acts (the direction in which it swings upward around the swing axis A1).

[0072] With this configuration, the operability of the PTO clutch lever 18 can be improved.

[0073] In addition, the regulating member 40 further has a fastening hole 44 (fixing portion) that is fixed to the guide member 30, and the guide portion 42 is positioned at a position displaced relative to the fastening hole 44 in the operating direction of the PTO clutch lever 18 (see Figure 7(b)).

[0074] With this configuration, when the PTO clutch lever 18 is guided by the guide portion 42, the restricting member 40 bends, making it easier to guide the PTO clutch lever 18. This effectively improves the operability of the PTO clutch lever 18.

[0075] The regulating member 40 is detachably attached to the rear side (rear side 30b side that is not visible to the worker) of the guide member 30 (see FIG. 6).

[0076] With this configuration, the guide member 30 can make the restricting member 40 less visible to the worker.

[0077] In addition, a boss portion 33 is formed on the back side of the guide member 30, which allows the regulating member 40 to be attached to the guide member 30, and a label L2 is attached to the guide member 30 so that it overlaps the boss portion 33 from the front side (the surface 30a side that is visible to the worker) (see Figure 7(a)).

[0078] By configuring it in this way, it is possible to improve the aesthetic appearance.

[0079] In addition, the regulating member 40 further has a fastening hole 44 (fixing portion) that is fixed to the guide member 30, and the regulating portion 41 is arranged so as to be exposed on the front side of the guide member 30 through the guide hole 31, and the fastening hole 44 is arranged so as to be hidden on the back side of the guide member 30 (see Figure 7).

[0080] By configuring in this manner, the fastening holes 44 can be made less visible to the worker.

[0081] Further, a groove 32 is formed on the rear side of the guide member 30, and the regulating member 40 further includes an insertion portion 43 that can be inserted into the groove 32 (see FIG. 6).

[0082] With this configuration, the position of the regulating member 40 can be easily adjusted relative to the guide member 30 by inserting the inserting portion 43 into the groove portion 32 .

[0083] The restricting member 40 further includes a recess 45 .

[0084] By configuring it in this way, the weight of the restricting member 40 can be reduced.

[0085] The tractor 1 according to this embodiment is one embodiment of a work vehicle according to the present invention. The PTO clutch lever 18 according to this embodiment is one embodiment of an operating tool according to the present invention. The fastening hole 44 according to this embodiment is one embodiment of the fixing portion according to the present invention.

[0086] Although the embodiment of the present invention has been described above, the present invention is not limited to the above configuration, and various modifications are possible within the scope of the invention described in the claims.

[0087] For example, although the work vehicle in this embodiment is a tractor 1, the type of work vehicle is not limited to this. The work vehicle may be other agricultural vehicles, construction vehicles, industrial vehicles, etc.

[0088] Furthermore, the restricting member 40 is configured to restrict the swing (movement) of the PTO clutch lever 18, but the operating tool whose swing is restricted by the restricting member 40 is not limited to the PTO clutch lever 18. For example, the restricting member 40 may restrict the movement of the sub-speed change lever 16 or the PTO selection lever 17.

[0089] Furthermore, although the PTO clutch lever 18 is arranged so as to be eccentric to the left with respect to the guide hole 31, the positional relationship of the PTO clutch lever 18 with respect to the guide hole 31 is not particularly limited. For example, the PTO clutch lever 18 may be arranged so as to be eccentric to the right with respect to the guide hole 31. In this case, it is desirable that the restricting member 40 be arranged on the right side of the guide hole 31, not on the left side. Furthermore, the PTO clutch lever 18 does not necessarily have to be eccentric to the left or right with respect to the guide hole 31.

[0090] Furthermore, the restricting member 40 has been described as having the guide portion 42, but is not limited to this and may not have the guide portion 42. Furthermore, the restricting member 40 has been described as having the recess 45, but is not limited to this and may not have the recess 45.

[0091] Furthermore, the restricting member 40 is fixed to the guide member 30 by fastening the screw N into the boss portion 33 and the fastening hole 44, but the method for fixing the restricting member 40 to the guide member 30 is not particularly limited. For example, the restricting member 40 may be fixed to the groove portion 32 by an adhesive applied to the insertion portion 43.

[0092] Furthermore, although the restricting member 40 is fixed to the rear surface 30b of the guide member 30, the present invention is not limited to this and may be fixed to the front surface 30a of the guide member 30. Furthermore, the restricting member 40 may be fixed to a member different from the guide member 30. [Explanation of symbols]

[0093] 1 Tractor 18 PTO clutch lever 40 Regulatory member

Claims

1. an operating tool whose own weight acts in a predetermined operating direction; a restricting member that is detachably attached to the work vehicle and that restricts movement of the operating tool in the direction in which the operating tool's own weight acts; Equipped with The operating tool may be inserted into a guide member having a guide hole formed therein for guiding the operation of the operating tool; The operating tool is The guide hole is arranged so as to be offset to one side in the width direction relative to the operation direction of the operating tool, The regulating member is a restricting portion disposed to close one side of the guide hole in the width direction and to open the other side in the width direction, On the back side of the guide member, a boss portion is formed on the regulating member so that the regulating member can be attached to the guide member; The guide member has: A label is attached to the boss portion from the front side so as to overlap the boss portion. Work vehicle.

2. An operating tool whose weight acts in a predetermined operating direction; a restricting member that is detachably attached to the work vehicle and that restricts movement of the operating tool in the direction in which the operating tool's own weight acts; Equipped with The operating tool may be inserted into a guide member having a guide hole formed therein for guiding the operation of the operating tool; The operating tool is The guide hole is arranged so as to be offset to one side in the width direction relative to the operation direction of the operating tool, The regulating member is a restricting portion disposed to close one side of the guide hole in the width direction and to open the other side in the width direction, On the back side of the guide member, A groove is formed, The regulating member is Further comprising an insertion portion that can be inserted into the groove portion. Work vehicle.

3. The regulating member is a guide portion capable of guiding the movement of the operating tool in a direction opposite to the direction in which the weight of the operating tool acts; The work vehicle according to claim 1.

4. The regulating member is Further, a fixing portion fixed to the guide member is provided, The guide unit is The operating tool is disposed at a position displaced relative to the fixed part in the operating direction of the operating tool. The work vehicle according to claim 3.

5. The regulating member is Removably attached to the back side of the guide member, The work vehicle according to claim 1.

6. The regulating member is Further, a fixing portion fixed to the guide member is provided, The restriction portion is The guide member is provided so as to be exposed to the front side thereof through the guide hole, The fixing portion is It is provided so as to be hidden behind the guide member. The work vehicle according to claim 1.

7. The regulating member is Further comprising a recess. A work vehicle according to any one of claims 1 to 6.

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