JP7192403B2 - Operation lever part of operation device - Google Patents

Description

TECHNICAL FIELD The present disclosure relates to an operating lever portion and a lever cap of an operating device, and more particularly to an operating lever portion and a lever cap of a cab lock device mounted on a cab-over type vehicle.

A cab-over type vehicle may be equipped with a cab lock device capable of locking a cab tiltably supported on the vehicle body to the vehicle body. The cab lock device includes a cab tilt lever having a grip gripped by an operator. When the operator grips the grip and pushes down the cab tilt lever, the cab is in an unlocked state allowing tilting of the cab. is grasped and the cab tilt lever is pushed up, the cab is switched to a locked state in which the cab is engaged with the vehicle body (see, for example, Patent Documents 1 and 2).

JP 2012-180028 A JP 2008-265393 A

In a general cab lock device, the grip provided at the tip of the cab tilt lever is positioned inside the cab in the vehicle width direction in both the locked state and the unlocked state. Therefore, it is desired that the operation state of the operation lever portion can be effectively visually recognized by the driver in the cab and the people around the vehicle.

An object of the technique of the present disclosure is to enable effective visual recognition of the operating state of an operating lever portion of an operating device mounted on a vehicle.

The operation lever portion of the present disclosure is an operation lever portion of an operation device mounted on a vehicle, is provided rotatably about the base end side, and is rotatably operated from a predetermined first position to a second position. and a lever body for switching the state of the operating device, and a lever body provided at the tip of the lever body, the lever body being operated to either the first position or the second position. and a lever tip portion that at least partially protrudes from the side surface of the vehicle in a state.

Moreover, it is preferable that a grip portion to be gripped by an operator is provided on the tip side of the lever main body portion, and the lever tip portion is formed in a flat plate shape that is thinner than the grip portion.

Moreover, it is preferable that the tip of the lever is made of a material that is softer than the main body of the lever.

Further, it is preferable that a thin rib protrudes from the tip of the lever.

Further, the vehicle is a cab-over type vehicle having a cab that can tilt with respect to the vehicle body, and the operating device has a locked state in which the cab is locked to the vehicle body and an unlocked state in which the locking is released. A switchable cab lock device, wherein the lever body is selectively rotatable between a locked position where the cab lock device is in the locked state and an unlocked position where the cab lock device is in the unlocked state, It is preferable that at least the tip side of the tip of the lever protrude outward from the side surface of the cab when the lever main body is operated to the unlocked position.

The lever cap of the present disclosure is attached to the tip of a lever main body that switches the state of an operation device mounted on a vehicle by being rotated from a predetermined first position to a second position about its proximal end. At least part of the lever cap protrudes from the side surface of the vehicle when the lever main body is operated to either the first position or the second position.

According to the technique of the present disclosure, it is possible to effectively visually recognize the operating state of the operating lever portion of the operating device mounted on the vehicle.

FIG. 4 is a rear view of the locked state of the cab lock device having the operating lever portion of the embodiment, as seen from the rear of the vehicle; 2 is a rear view showing an unlocked state of the cab lock device of FIG. 1; FIG. (A) is a rear view of the lever cap viewed from the rear of the vehicle when the cab lock device according to the present embodiment is in the locked state, and (B) is the cab lock device in (A) in the unlocked state. It is a rear view showing time. It is a side view which shows the lever cap which concerns on this embodiment.

The operating lever portion of the operating device according to the present embodiment will be described below with reference to the accompanying drawings. The same parts are given the same reference numerals, and their names and functions are also the same. Therefore, detailed description thereof will not be repeated.

[overall structure]
FIG. 1 is a rear view of a locked state of a cab lock device having an operation lever portion according to the present embodiment, viewed from the rear of a vehicle, and FIG. 2 is a rear view showing an unlocked state of the cab lock device of FIG. .

As shown in FIG. 1, the vehicle V is, for example, a cab-over type truck, and a cab 1 (cabin, driver's cab) is mounted on the front end side of a chassis 2 constituting a vehicle body frame via a cab tilt mechanism (not shown). ) is tiltably supported. A cab lock device 3 is provided on the rear surface of the cab 1 to lock (lock) the rear end side of the cab 1 in a non-tilt state to the chassis 2 side.

A pair of support plates 5 (the rear side support plate is not shown) is fixed to the chassis 2 so as to face each other with a space therebetween in the longitudinal direction of the vehicle. The upper end sides of these support plates 5 are connected by rod-shaped pins 4 extending in the vehicle front-rear direction.

The cab lock device 3 includes a cab tilt lever 8 (lever body), a main rod 9, a base 10, a link 11, a cab lock hook 12, a lock close 60, an operation rod 70, and a lever cap 80 (lever tip). The main rod 9 and the link 11 connect the cab tilt lever 8 and the cab lock hook 12, and interlock with the rotation of the cab tilt lever 8 to move the cab lock hook 12 to a locked position (the position shown in FIG. 1) and an open position (the position shown in FIG. 1). 2) and a connecting mechanism for moving between the position shown in FIG. Also, the cab tilt lever 8 and the lever cap 80 constitute an operating lever portion of the present disclosure.

A lever bracket 40 is fixed to one side (the left side in this embodiment) of the rear surface of the cab 1 in the vehicle width direction. One end portion 8</b>A (right end portion in FIG. 1 ) of the cab tilt lever 8 on the inner side in the vehicle width direction is rotatably supported by the lever bracket 40 via a rotating shaft 41 . The cab tilt lever 8 has a connecting end portion 8B extending downward from the one end portion 8A. A link 11 is connected via a main rod 9 to the connecting end portion 8B. A substantially cylindrical grip 42 that is gripped by the operator is fixed to the other end 8C (the left end in FIG. 1) of the cab tilt lever 8. As shown in FIG. Cab tilt lever 8 and grip 42 are preferably made of steel tubing.

A spring member 43 is provided between the cab tilt lever 8 and the lever bracket 40 . One end side of the spring member 43 is engaged with a spring support portion 44 between the one end portion 8A and the other end portion 8C of the cab tilt lever 8, and the other end side of the spring member 43 is engaged with a spring support portion 45 at the lower end of the lever bracket 40. locked to. When the cab tilt lever 8 rotates between the locked position and the unlocked position, the spring member 43 urges the cab tilt lever 8 toward the locked position from the locked position to a predetermined boundary position. Between the boundary position and the unlocked position, the cab tilt lever 8 is urged toward the unlocked position.

The base 10 has a pair of plate portions (a front plate portion 13 and a rear plate portion 14) facing each other while being spaced apart in the vehicle front-rear direction. The front plate portion 13 and the rear plate portion 14 are fixed to the rear surface of the cab 1 via a substantially frame-shaped bracket 15 . An elastic member 90 for vibration isolation is provided below the bracket 15 . The elastic member 90 is seated on the cab mount bracket 91 on the chassis 2 side when the cab 1 is in the non-tilt state.

A support hole (not shown) through which the rotating shaft 17 is inserted and supported is formed in the front plate portion 13 and the rear plate portion 14 . A recess 19 is formed in the lower portion of the front plate portion 13 to receive the pin 4 when the cab 1 is in the non-tilt state. A support shaft 63 that rotatably supports the lock close 60 protrudes from the rear plate portion 14 . A link 11 is rotatably accommodated between the front and rear plate portions 13 and 14 .

A lower end portion of the link 11 is rotatably supported by the base 10 via a rotating shaft 17 in the locking direction and the unlocking direction. A connecting shaft 27 for connecting the main rod 9 is projected from one end (the left end in FIG. 1) of the upper end of the link 11 . When the other end 8C of the cab tilt lever 8 rotates downward from the locked position and the main rod 9 moves in the unlocking direction (rightward direction in FIG. 1), the link 11 interlocks with the ca tilt lever 8 to rotate the rotating shaft 17. It rotates in the unlocking direction from the locked position (the position shown in FIG. 1) to the open position (the position shown in FIG. 2) at the center. Conversely, when the other end 8C of the cab tilt lever 8 rotates upward and the main rod 9 moves in the locking direction (leftward in FIG. 1), the link 11 is interlocked with the ca tilt lever 8 and rotates around the rotation shaft 17. from the open position to the locked position, and rotate in the locking direction.

The cab lock hook 12 is a substantially L-shaped plate member, and one end side (upper end side in FIG. 1) of the cab lock hook 12 is rotatably supported by the link 11 via a rotating shaft 24 . A hook portion 29 having a concave inner surface with an open top is formed on the other end side (lower end side in FIG. 1) of the cab lock hook 12 . When the link 11 rotates in the locking direction, the cab lock hook 12 also moves in the locking direction, and the hook portion 29 contacts the pin 4 . Conversely, when the link 11 rotates in the unlocking direction, the cab lock hook 12 also moves in the unlocking direction, and the hook portion 29 separates from the pin 4 .

A coil-shaped spring member (not shown) for biasing the cab lock hook 12 in the locking direction and a spacer (not shown) are arranged on the outer circumference of the rotary shaft 24 . One end of the spring member engages with the cablock hook 12 and the other end engages with the connecting portion of the link 11 . Further, the link 11 is provided with a stopper (not shown) that restricts the movement range of the cab lock hook 12 in the unlocking direction. Thus, when no external force is applied to the cab lock hook 12, the cab lock hook 12 is maintained at a predetermined position with respect to the link 11 by the spring member and the stopper.

The lock close 60 is a substantially L-shaped plate material, and its intermediate portion is rotatably supported by the rear plate portion 14 via a support shaft 63 . A cam portion 64 having a curved surface is formed on the outer edge portion of one end side (upper end side in FIG. 1) of the lock closure 60, and the rod connecting shaft 27 can be engaged between the support shaft 63 and the cam portion 64. An engaging recess 65 is formed. An operation rod 70 is connected to the other end of the lock close 60 (lower end in FIG. 1). When the link 11 is in the locked position, the lock close 60 moves between the closed position and the non-closed position in conjunction with the operation rod 70 .

A coil-shaped spring member (not shown) for biasing the lock close 60 to the closed position and a spacer (not shown) are arranged on the outer periphery of the support shaft 63 . One end of the spring member engages the lock closure 60 and the other end engages the support shaft 63 . When the link 11 is at the locked position, the lock close 60 is set at the closed position by the biasing force of the spring member. movement is restricted. Further, the lock close 60 is set to the non-closed position where the engagement between the engaging recess 65 and the rod connecting shaft 27 is released. In this state, when the link 11 rotates from the lock position in the lock release direction, the cam portion 64 The contact with the rod connecting shaft 27 restricts the movement of the lock close 60 to the closed position.

The operation rod 70 has a first rod 71 arranged outside in the vehicle width direction (left side in FIG. 1) and a second rod 72 arranged inside in the vehicle width direction (right side in FIG. 1).

An elongated slide hole 74 is formed in one end 71A of the first rod 71 (the right end in FIG. 1), and the other end 71B of the first rod 71 (the left end in FIG. 1) has a predetermined It is bent in the direction (downward in FIG. 1). A locking projection 75 projecting from the one end portion 8A of the cab tilt lever 8 is slidably engaged with the slide hole 74 . The other end 71B of the first rod 71 is inserted through and supported by a rod support plate 76 projecting from the other end 8C of the cab tilt lever 8 . The first rod 71 is slidably supported by the locking projection 75 and the rod support plate 76 with respect to the cab tilt lever 8 .

Further, a spring support plate 78 is fixed to the first rod 71 , which is arranged on the inner side (right side in FIG. 1 ) of the rod support plate 76 in the vehicle width direction. A spring member 79 is provided between the spring support plate 78 and the rod support plate 76 to bias the first rod 71 in the closing direction (direction of arrow 52 in FIG. 1).

One end 72A (right end in FIG. 1) of the second rod 72 is rotatably connected to the other end of the lock close 60 (lower end in FIG. 1). The other end 72B (left end in FIG. 1) of the second rod 72 is connected to one end 71A (right end in FIG. 1) of the first rod 71 via a slide link mechanism 73 .

The slide link mechanism 73 allows the other end 72B of the second rod 72 to rotate and slide relative to the one end 71A of the first rod 71 when the cab tilt lever 8 rotates about the rotation shaft 41 . When the slide link mechanism 73 is in the state shown in FIG. 1, the operating force of the first rod 71 is transmitted from the second rod 72 to the lock closure 60 to rotate the lock closure 60 from the closed position to the non-closed position. It will be in the operation force transmission state. On the other hand, when the slide link mechanism 73 is in the state shown in FIG. 2, even if the first rod 71 is operated, the second rod 72 only rotates around the one end 72A, and the lock close 60 is not rotated. Force non-transmission state.

In the cab lock device 3 configured as described above, the operator pulls the operation rod 70 in the closing release direction 53 in the state shown in FIG. When held and pushed down, the cab tilt lever 8 rotates about the rotation shaft 41 to the unlocked position (the state shown in FIG. 2). When the cab tilt lever 8 is operated to the unlocked position, the hook portion 29 of the cab lock hook 12 rotates to the open position away from the pin 4, and the cab lock device 3 enters the unlocked state allowing the cab 1 to tilt. . On the other hand, when the operator grasps and pushes the grip 42 in the state shown in FIG. 2, the cab tilt lever 8 rotates about the rotating shaft 41 to the locked position (the state shown in FIG. 1). When the cab tilt lever 8 is operated to the lock position, the hook portion 29 of the cab lock hook 12 abuts against the pin 4, so that the cab lock device 3 is locked to lock the cab 1 to the chassis 2 side.

In this embodiment, the locus of movement of the distal end portion 42A of the grip 42 around the rotating shaft 41 is from the side surface of the cab 1 in any state from the locked position shown in FIG. 1 to the unlocked position shown in FIG. is configured to be the rear surface on the inner side in the vehicle width direction (the rear surface on the right side of the left side surface of the cab 1). That is, in both the locked state of the cab lock device 3 shown in FIG. 1 and the unlocked state of the cab lock device 3 shown in FIG. It is designed to be located. A lever cap 80 is attached to the distal end portion 42A of the grip 42 so that at least a portion of the lever cap 80 protrudes outside the vehicle beyond the left side surface of the cab 1 in the unlocked state.

[Lever cap]
Next, details of the lever cap 80 according to the present embodiment will be described with reference to FIGS. FIG. 3A is a rear view of the lever cap 80 viewed from the rear of the vehicle when the cab lock device 3 according to this embodiment is in the locked state, and FIG. 3B is the cab lock device of FIG. is a rear view showing when the is in an unlocked state. FIG. 4 is a side view showing the lever cap 80 according to this embodiment.

As shown in FIG. 3, the lever cap 80 includes a base end portion 81, a bent portion 83 bent at a predetermined angle from the base end portion 81, and a distal end portion extending from the bent portion 83 to the side opposite to the base end portion 81. 85. The lever cap 80 is made of a material that is more resilient and deformable than the grip 42 (for example, a urethane resin material, etc.), in other words, is made of a soft material. Preferably, the lever cap 80 has a rigidity that prevents interference between the tip end portion 85 and the rear surface of the cab 1 (and the front surface of the van body behind the cab 1) when the tip end portion 85 swings due to vehicle vibration or the like. formed.

The proximal end portion 81 is formed in a substantially columnar shape and is inserted and fixed into the distal end portion 42</b>A of the grip 42 . The method of fixing the base end portion 81 may be any one of fixation using an adhesive or the like, fastening fixation using bolts or the like, or fitting and fixing the tip portion 42A into the cylinder. In this embodiment, the lever cap 80 is arranged such that the inner side of the bending portion 83 is directed in the vehicle width direction in the state shown in FIG. 3A in which the cab tilt lever 8 is operated to the locked position. In the state shown in FIG. 3B where the lever 8 is operated to the unlocked position, the bent inner side of the bent portion 83 is attached to the grip 42 so as to face upward of the vehicle.

The bent portion 83 is formed so that the axis X1 on the side of the base end 81 that is coaxial with the axis of the grip 42 is bent at a predetermined angle θ with respect to the axis X2 on the side of the tip 85 . The bending angle θ is preferably set to the axial center of the distal end portion 85 side in the state shown in FIG. X2 is substantially parallel to the vertical direction of the vehicle, the grip 42 is operated to the unlocked position, and the axial center X1 on the side of the base end 81 is inclined with respect to the width direction of the vehicle. The axis X2 on the 85 side is set within an angle range in which it is substantially parallel to the vehicle width direction. 3A in which the grip 42 is operated to the locked position, the axis X1 on the side of the base end portion 81 is substantially in the vertical direction of the vehicle, and the grip 42 is operated to the unlocked position. In the state of (B), if the axis X1 on the side of the base end portion 81 is substantially in the vehicle width direction, the bent portion 83 may be formed straight without being bent.

As shown in FIG. 4, the bent portion 83 is formed so as to gradually become thinner from the proximal end portion 81 side toward the distal end side 85 side. Specifically, the cross-sectional shape of the bent portion 83 on the base end portion 81 side is a circular shape having substantially the same diameter as the cylindrical base end portion 81, and the cross-sectional shape of the bent portion 83 on the distal end portion 85 side is a flat plate. It has a rectangular shape that is substantially the same shape as the tip portion 85 of the shape. A substantially triangular rib 84 that extends planarly from the proximal end 81 side to the distal end side 85 side protrudes from the bent inner side of the bent portion 83 . The rib 84 is formed to be extremely thin so that it is more easily deformed than other parts of the lever cap 80 . If the operator mistakenly grips the bent portion 83, the rib 84 touches the operator's hand and deforms, so that the operator can easily perceive that it is not preferable to apply an operating force to the relevant part. is configured to

The distal end portion 85 is formed in a flat rectangular shape substantially parallel to the plane defining the movable range of the cab tilt lever 8 . That is, the shape (area) of the distal end portion 85 viewed from the vehicle front-rear direction is formed to be wider than the shape (area) viewed from the vehicle width direction. In this way, by forming the tip end portion 85 into a thin flat plate shape that is easily deformed, the operator is prevented from gripping and operating the tip end portion 85 by mistake. is configured to effectively prevent transmission to

In the state shown in FIG. 3B in which the cab tilt lever 8 is operated to the unlocked position, the length of the tip portion 85 in the longitudinal direction is such that at least the tip side 85A thereof is outside the left side surface of the cab 1 in the vehicle width direction. It is formed with a protruding length. That is, when the cab lock device 3 is in the unlocked state, the distal end side 85A of the distal end portion 85 is configured to protrude outward from the left side surface of the cab 1 . As a result, it becomes possible for the driver who gets into the cab 1 to visually recognize the tip side 85A reflected in the side mirror, and for the people around the vehicle V, the tip side 85A can be seen directly. Therefore, it is possible to easily recognize the unlocked state of the cab lock device 3 (or the locked state when the tip end side 85A does not protrude).

According to the present embodiment described in detail above, the grip 42 of the cab tilt lever 8 has a lever cap that projects at least the tip side 85A outside the side surface of the cab 1 when the cab tilt lever 8 is operated to the unlocked position. 80 is provided so that the driver who gets into the cab 1 and the people around the vehicle V can visually recognize that the cab lock device 3 is in the unlocked state. This makes it possible for the driver and surrounding people to easily recognize the operating state of the cab lock device 3 .

In addition, since the distal end portion 85 of the lever cap 80 is formed in a thin flat plate rectangular shape that is easily deformable and difficult for the operator to grip, even if the operator grips the distal end portion 85 and tries to operate it, the The operating force is configured to be difficult to be transmitted to the cab tilt lever 8 . As a result, it is possible to effectively prevent the operator from erroneously grasping the tip portion 85 and forcibly rotating the cab tilt lever 8 .

A bent portion 83 of the lever cap 80 is provided with a rib 84 that is thinner than other portions and easily deformable. That is, when the operator grips the bent portion 83 adjacent to the grip 42, the ribs 84 are deformed so that the operator can easily perceive that it is not preferable to apply an operating force to the relevant portion. It is configured. This effectively prevents the operator from erroneously grasping and operating the bent portion 83 .

[others]
It should be noted that the present disclosure is not limited to the embodiments described above, and can be appropriately modified and implemented without departing from the gist of the present disclosure.

For example, in the above embodiment, the cabin lever 8 and the lever cap 80 are provided separately, but the cabin lever 8 and the lever cap 80 may be integrally formed.

Further, in the above-described embodiment, the cab block device 3 is arranged on the left side of the back surface of the cab 1 in the vehicle width direction, but it may be arranged on the right side in the vehicle width direction. In this case, the tip side 85A of the lever cap 80 may be configured to protrude outward from the right side surface of the cab 1 when the cab lock device 3 is in the unlocked state.

Further, the scope of application of the above-described embodiment is not limited to the cab block device 3, and can be widely applied to other devices operated by an operation lever, such as a crane and mounted objects that can be mounted on the vehicle V. be.

Further, the vehicle V is not limited to a cab-over type vehicle, and may be another vehicle as long as it can be equipped with a device operated by an operation lever.

V vehicle 1 cab 2 chassis (body)
3 cab block device 8 cab tilt lever (lever body)
42 grip (grip part)
80 Lever cap (Lever tip)
81 base end 83 bend 84 rib 85 tip

Claims (4)

An operation lever portion of an operation device mounted on a vehicle,
a lever main body that is rotatable about a base end side and that switches the state of the operating device by being rotated from a predetermined first position to a second position;
It is provided at the tip of the lever body, and projects at least a part thereof from the side surface of the vehicle when the lever body is operated to either the first position or the second position. and a lever tip ,
A grip portion to be gripped by an operator is provided on the tip side of the lever main body portion, and the lever tip portion is formed in a flat plate shape that is thinner than the grip portion.
An operating lever portion of an operating device characterized by: The operating lever portion of the operating device according to claim 1 , wherein the tip portion of the lever is made of a material softer than the body portion of the lever. The operating lever portion of the operating device according to claim 1 or 2 , wherein a thin rib protrudes from the tip portion of the lever. The vehicle is a cab-over type vehicle having a cab that can tilt with respect to the vehicle body,
The operating device is a cab lock device capable of switching between a locked state in which the cab is locked to the vehicle body and an unlocked state in which the locking is released,
The lever main body is selectively rotatable between a locked position where the cab lock device is in the locked state and an unlocked position where the unlocked state is established,
The operation according to any one of claims 1 to 3 , wherein at least the tip side of the lever tip portion projects outward from the side surface of the cab in a state in which the lever body portion is operated to the unlocked position. Device operating lever.

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