JP3518140B2 - Top panel lock structure of cargo handling vehicle - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock structure of a top panel that is openably and closably provided on an upper portion of a battery box frame for accommodating a battery in a cargo handling vehicle such as a battery forklift truck. The present invention relates to a lock structure for preventing the top panel from opening by a lever unit having a plurality of operation levers for operating a plurality of control valves for controlling hydraulic equipment in a vehicle.

[0002]

2. Description of the Related Art A frame for a cargo handling vehicle such as a battery forklift is integrally provided with a battery box frame capable of accommodating a battery.
The battery box frame is formed in a box shape including a front plate, a rear plate, left and right side panels, and a bottom plate.
A top panel (also referred to as a battery hood) having a structure in which the front side opens upward with the rear side serving as a hinge is provided.

An example of the structure for locking the top panel so as not to open is the structure as shown in FIG.

That is, the top panel 101 is attached to a battery box frame (not shown in FIG. 4) via a hinge 103 so that the front side opens upward.

A catch lock member 107 for locking a substantially J-shaped hook member 105 attached to a suitable number of side or front surfaces of the top panel 101 is attached to a portion 109 of the battery box frame.

[0006]

In the conventional structure as described above, since the hook member 105 and the catch lock member 107 are provided on the side surface or the front surface and are exposed,
Occasionally, the operator may hit his / her foot when getting on or off.
Further, the hook member 105 and the catch lock member 1
Since 07 is exposed on the outer surface, there is a problem in that it looks bad.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the conventional problems as described above, and the invention according to claim 1 is that the top panel of a cargo handling vehicle is substantially horizontal with the rear side as a fulcrum. The front side of the top panel is provided with a lever unit provided with a plurality of operation levers for operating a plurality of control valves for controlling hydraulic equipment in the cargo-handling vehicle, the front side being provided so that the front side can be opened upward from a closed state. At
On the frame of the cargo handling vehicle, the rear side is provided so as to be movable upward from a substantially horizontal position, and when the top panel is in a closed state, the lever unit is arranged on the upper side of the top panel, and by the lever unit. It is configured to prevent the opening operation of the top panel.

According to a second aspect of the present invention, a top panel of a cargo handling vehicle is provided such that a front side of the cargo handling vehicle can be opened and closed vertically with a rear side as a fulcrum, and a control valve for controlling hydraulic equipment in the cargo handling vehicle is operated. A lever unit having a plurality of operating levers can be pivoted up and down on the rear side of the lever unit at a position higher than the top panel in the closed state and on the frame of the cargo handling vehicle on the front side of the top panel. Further, a lock device is provided so as to be attached so as to cover a part of the top surface of the top panel, and the top panel and the lever unit can be integrally connected.

According to a third aspect of the invention, in the invention according to the second aspect, the lock device has a structure that both fixes the rotation of the lever unit and holds the closed state of the top panel.

According to a fourth aspect of the present invention, in the invention according to the second or third aspect, a catch lock for holding and fixing the lock engaging member in the lock device is provided on the lever unit. The device is provided on the top panel, and the catch lock device is configured to be able to hold the lock engagement member provided in a part of the cargo handling vehicle when the top panel is in the open state.

[0011]

According to the invention as set forth in claim 1, the top panel of the cargo handling vehicle is provided such that the front side can be opened upward from the substantially horizontal closed state with the rear side as a fulcrum, and the hydraulic equipment in the cargo handling vehicle. A lever unit having a plurality of operating levers for operating a plurality of control valves for controlling
The frame of the cargo handling vehicle in front of the top panel
In the above, the rear side is provided so as to be movable upward from a substantially horizontal position, and when the top panel is in a closed state, the lever unit is arranged on the upper side of the top panel, and the lever unit causes the top panel to move. Since it is configured to prevent the opening operation, for example, to open the top panel at the time of battery replacement or maintenance inspection,
It is necessary to rotate the lever unit upward from the upper side of the top panel.

In other words, it is possible to prevent the top panel from opening by disposing the lever unit on the upper surface of the closed top panel, so that the top panel can be locked with a simple structure, and The hook member or the like can be omitted from the side surface or the front surface, and the appearance can be improved.

According to a second aspect of the present invention, the top panel of the cargo handling vehicle is provided so that the front side can be opened and closed vertically with the rear side as a fulcrum, and the control valve for controlling hydraulic equipment in the cargo handling vehicle is operated. A lever unit having a plurality of operating levers can be pivoted up and down on the rear side of the lever unit at a position higher than the top panel in the closed state and on the frame of the cargo handling vehicle on the front side of the top panel. Further, since the top panel of the top panel is mounted so as to be able to cover the top panel and a lock device is provided which can integrally connect the top panel and the lever unit, the lever unit is moved upward by the lock device. It is possible to prevent rotation of the top panel and to prevent the top panel from opening. That is, the lever unit and the top panel can be reliably fixed. Further, with the above configuration, the locking device can be provided between the lower portion of the lever unit and the upper surface of the top panel, the locking device can be hidden from the appearance, and the appearance can be improved.

According to a third aspect of the present invention, in the invention according to the second aspect, the lock device has a configuration for both fixing the rotation of the lever unit and maintaining the closed state of the top panel. It is not necessary to separately fix the top panel and the top panel, and the number of fixing devices can be reduced.

According to a fourth aspect of the present invention, in the invention according to the second or third aspect, a catch lock for holding and fixing the lock engagement member in the lock device is provided in the lever unit. The device is provided on the top panel, and this catch lock device is configured to be able to hold the lock engaging member provided in a part of the cargo handling vehicle when the top panel is open, so that the top panel is opened when the top panel is opened. Not only can it be fixed, but the configuration can be simplified.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIG. 1, a top panel 3 is provided with a plurality of hinges on an upper portion of a battery box frame 1 which is integrally provided in a frame of a cargo handling vehicle such as a battery forklift (an overall view is omitted). A front side is provided so as to be opened upward from a substantially horizontal closed state via 5.

On the front plate of the battery box frame 1, a control valve mounting member 9 having a plurality of control valves 7 for controlling hydraulic equipment such as a hydraulic cylinder in a cargo handling vehicle mounted on the front surface is integrally formed by welding. It is installed.

As shown in FIG. 1, the control valve mounting member 9 has flange portions 9B of appropriate height on both sides of a front plate 9A as a control valve mounting portion for mounting a plurality of control valves 7.
The configuration is such that the flat cross-section has a U shape. An insulator bracket 11 is integrally mounted on the flange portion 9B of the control valve mounting member 9, and a plurality of mounting bolts (not shown) penetrating through vertical holes provided in the insulator bracket 11 are used to An insulator 13 that supports the front side of the top panel 3 is attached so that the vertical position can be adjusted.

A pair of brackets 15 are integrally mounted on the upper left and right sides of the control valve mounting member 9, and a lever unit 19 is vertically rotatable through a pair of pins 17 on the pair of brackets 15. Supported by. A plurality of operation levers 23 are supported on the lever unit 19 via a support shaft 21 so as to be vertically swingable.

More specifically, the lever unit 19
Is a unit in which the rotary bracket 25, the operation lever 23, and the like, which are rotatably supported via the pins 17, are unitized.

Each of the operation levers 23 has the support shaft 21.
The collar 27 fitted to the collar 2 and the collar 2 by welding.
7 and a lever rod 3 welded to the collar 27 on the opposite side of the link 29.
1 and 1.

A base plate 33, which is enlarged rearward, is integrally attached to the lower portion of the rotary bracket 25.
A lever cover 35 is detachably attached to the base plate 33 via a plurality of bolts 36. The lever cover 35 is provided with long holes 37 through which the respective operation levers 23 are inserted.
Is installed. A knob 41 is attached to the tip of each operation lever 23 protruding from the bellows 39.

Further, at the rear end portion of the base plate 33, a lock engagement member 45 which can be engaged and disengaged with the catch lock device 43 attached to the upper surface of the top panel 3 is attached.

Each link 2 in each operation lever 23
The tip end of 9 is located above the spool 7S that is vertically movable in each control valve 7, and the top end of each intermediate link 49 is pivotally attached to the tip of each link 29 via a pin 47. It is connected. The lower ends of the intermediate links 49 are pivotally connected to the upper ends of the spools 7S that are vertically movable on the control valves 7 via pins 51.

When each spool 7S of each control valve 7 is in the neutral position, when each rotation bracket 25 is rotated up and down about the pin 17, each spool 7S of each control valve 7 is moved up and down. In order not to do so, the shaft center of each pin 47 connecting each link 29 and each intermediate link 49 and the shaft center of the pin 17 are substantially aligned.

In the above structure, when each knob 41 is gripped and each operation lever 23 is rotated about the support shaft 21, each spool 7S in each control valve 7 is moved through each link 29 and intermediate link 49. By operating up and down, the operation of each hydraulic device provided corresponding to each control valve 7 is controlled.

When the top panel 3 closes the upper part of the battery box 1 and the front end is supported by the insulator 13 and is in a substantially horizontal state, the lever unit 1
The mounting position of the lever unit 19 with respect to the control valve mounting member 9, that is, the position of the pin 17 is higher than that of the top panel 3 in the closed state and the top panel 3 so that 9 covers a part of the top panel 3. Located on the front side of.

The lock engaging member 45 and the catch lock device 43 are provided so that the base plate 33 and the top panel 3 can be integrally connected when the lever unit 19 is in a horizontal state. is there.

More specifically, the lock engaging member 45 is formed by bending a rod into a U shape, and its end is welded to the bracket 53. The bracket 53 has a plurality of bolts 55. It is attached to the rear end surface of the base plate 33 through. This base plate 33
Since the rear end portion of the rear cover is covered by the lever cover 35,
The lock engagement member 45 is hidden by the lever cover 35.

The catch lock device 43 is mounted on a bracket 57 mounted on the upper surface of the top panel 3 via a plurality of mounting bolts 59. The casing 61 of the catch lock device 43 has a lock engaging member 45. Is provided with a slit 63 that can be engaged and disengaged in the vertical direction.

As shown in FIG. 2, the first lock member 6 is provided in the casing 61 with the slit 63 interposed therebetween.
5 and the second lock member 67 are rotatably supported via pins 69 and 71, respectively.

The first locking member 65 is an upper piece 65U.
2 and a lower piece 65L are formed in a bell crank shape in which an engaging recess 65C capable of engaging the lock engaging member 45 is provided, and by biasing means such as a torsion spring. In the clockwise direction. A stopper (shown in the figure) that restricts the rotation of the first lock member 65 when the biasing means rotates the posture of the engagement concave portion 65C corresponding to the slit 63 in a state where the engagement concave portion 65C is opened upward. (Omitted) is provided.

The second lock member 67 is provided with a biasing means such as a torsion spring as shown in FIG.
The second lock member 67 is urged in the counterclockwise direction and has a triangular shape that is engageable with and disengageable from the triangular protrusion of the distal end of the lower piece 65L of the first lock member 65. An engagement recess 67C is formed. Further, the second lock member 67 is provided with a second lock member against the biasing means in order to release the engagement between the tip end portion of the lower piece 65L of the first lock member 65 and the engagement recess 67C. 6
A lock release lever 73 (see FIG. 1) for rotating 7 in the clockwise direction in FIG. 2 is appropriately connected.

With the above structure, as shown in FIG.
The lever unit 1 is fitted in the engaging recess 65C of the lock member 65.
When the lock engaging member 45 provided in No. 9 is engaged and the tip end portion of the lower piece 65L of the first lock member 65 is engaged with the engaging recess 67C of the second lock member 67,
When the lever unit 19 tries to rotate upward, the lock engagement member 45 causes the first lock member 6 to rotate.
5 tends to rotate in the clockwise direction in FIG. 2, but the lower piece 65L of the first lock member 65 does not rotate in the second direction.
By engaging with the engaging recess 67C of the locking member 67, clockwise rotation is restricted, and the lever unit 19
Hold in place.

At this time, since the lever unit 19 is located above the top panel 3, the top panel 3
Does not open upward, and the top panel 3 is also fixed.

In order to release the fixing of the lever unit 19, the lock release lever 73 is operated to rotate the second lock member 67 in the clockwise direction in FIG. 2 to engage the second lock member 67. When the engagement between the recess 67C and the lower piece 65L of the first lock member 65 is released, the first lock member 65 is rotated clockwise by the action of the biasing means,
The engagement concave portion 65C is opened upward corresponding to the slit 63.

Therefore, the lock engagement member 45 can be disengaged in the upward direction from the engagement recess 65C of the first lock member 65, and the rear side of the lever unit 19 can be rotated upward to move the upper side of the top panel 3 upward. Can be separated from.

As described above, when the lever unit 19 is separated from the upper side of the top panel 3, the front side of the top panel 3 can be rotated upward to perform the opening operation. Thus, when the front side of the top panel 3 is pivoted upward to open the upper portion of the battery box frame 1, as shown in FIG. 3, the slit 63 of the catch lock device 43 provided on the top panel 3 is opened.
The second lock engagement member 77 attached to the rear pillar 75 in the cargo handling vehicle enters, and the second lock engagement member 77 engages with the engagement recess 65C of the first lock member 65,
The top panel 3 is held in an open state.

To close the top panel 3 again, the lock release lever 73 is operated to move the second lock engagement member 77.
And the catch lock device 43 are disengaged to return the top panel 3 to the original substantially horizontal state.

When the top panel 3 is returned to the original state as described above, in the first lock member 65 of the catch lock device 43, the engagement concave portion 65C corresponds to the slit 63 as shown by an imaginary line in FIG. The second lock member 67 is in contact with the lower side of the lower piece 65L of the first lock member 65 by the urging force of the urging means.

When the lever unit 19 is returned to the original state in the above state, the lock engaging member 45 engages with the engaging recess 65C of the first lock member 65,
Since the first lock member 65 is rotated counterclockwise from the state of the imaginary line shown in FIG. 2 against the biasing means, the second lock member 67 is attached to the lower piece 65L of the first lock member 65. It is pressed and rotated clockwise.

When the tip end of the lower piece 65L of the first lock member 65 corresponds to the engaging recess 67C provided at the tip end of the second lock member 67, both are engaged again to be in the initial state. Is.

As can be understood from the above description,
According to this example, by disposing the lever unit 19 on the upper side of the closed top panel 3,
The lever unit 19 prevents the top panel 3 from opening, and the top panel 3 can be easily locked.

By providing a lock device between the lever unit 19 and the top panel 3, the lever unit 19 and the top panel 3 can be fixed together, and the lock device can be hidden to improve the appearance. Is an easy one.

Further, according to this example, the lever unit 1
9 and the top panel 3 can be automatically connected by the lock engaging member 49 and the catch lock device 43, and both can be surely connected and fixed.

Furthermore, when the top panel 3 is opened, it is easy to hold the top panel 3 in the open state, and it is possible to prevent the top panel 3 from being closed carelessly.

[Brief description of drawings]

FIG. 1 is a perspective operation explanatory diagram showing a main part of an embodiment of the present invention.

FIG. 2 is a cross-sectional action explanatory view showing a function of a catch lock device.

FIG. 3 is an operation explanatory view of a configuration for holding the top panel in an open state.

FIG. 4 is an operation explanatory view of the conventional configuration.

[Explanation of symbols]

1 battery box frame 3 top panel 5 hinges 9 Control valve mounting member 15 bracket 17 pin 19 Lever unit 23 Operation lever 33 base plate 35 Lever cover 43 Catch lock device 45 Lock engagement member 65 First Lock Member 67 Second lock member

─────────────────────────────────────────────────── ─── Continuation of front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) B62D 25/12 E05C 3/16

Claims (4)

(57) [Claims] 1. A top panel for a cargo handling vehicle(3)
The front side from a closed state that is almost horizontal with the rear side as the fulcrum.
It is installed so that it can be opened upward, and the hydraulic pressure in the cargo handling vehicle is increased.
Multiple control valves to control equipment(7)For operating
Number of operating levers(23)Lever unit with(1
9)ToCargo truck on the front side of the top panel (3)
On both frames (1),The rear side is up from the almost horizontal position
The top panel is provided so that it can move in any direction.(3)Closed
The top panel when(3)Above
The lever unit(19)The lever unit
The(19)By said top panel(3)Open operation
Of a cargo handling vehicle characterized by being configured to prevent
Top panel lock structure. 2. A top panel for a cargo handling vehicle(3)
The front side can be opened and closed vertically with the rear side as the fulcrum.
Control valve for controlling hydraulic equipment in the cargo handling vehicle
(7)Multiple operating levers for operating(23)Equipped
Eater lever unit(19)When in the closed state
Of the top panel(3)Higher position and top above
panel(3)The frame of the cargo handling vehicle on the front side of(1)
The lever unit(19)The rear side can be rotated up and down
Noh and the top panel(3)Can cover part of the upper surface of
Installed and installed, the top panel(3)And lever unit
To(19)Locking device that can be integrated with(43)
Top panel of a cargo handling vehicle characterized by being provided with
Lock structure. 3. The invention according to claim 2, wherein the lock device is configured to both fix the rotation of the lever unit (19) and maintain the closed state of the top panel (3). Top panel lock structure for cargo handling vehicles. 4. The invention according to claim 2 or 3,
A lock engagement member (45) in the lock device is provided on the lever unit (19), and a catch lock device (43) for holding and fixing the lock engagement member (45) is provided on the top panel (3). Catch lock device (4
3) is the cargo handling vehicle 1 when the top panel (3) is open.
A top panel lock structure for a cargo handling vehicle, which is capable of holding a lock engagement member (77) provided in the section.