JP4369796B2 - Dust input box for garbage truck - Google Patents

Description

    The present invention relates to a dust collection box of a dust collection vehicle, and more particularly to a dust collection box of a dust collection vehicle characterized in that an opening / closing door of the dust collection box can be accommodated in the collection box.

  A dust storage box for storing the collected dust is loaded on the loading platform of the garbage truck, and the dust is first put into the dust input box connected to the rear of the dust storage box and then stored in the dust storage box. It is supposed to be. A dust input port for supplying dust is provided on the rear surface of the dust input box, and an open / close door is provided here so that dust and sewage in the dust input box do not scatter during traveling.

  A conventional open / close door uses one end of which is pivotally supported by the other end of an arm pivotally supported by a dust box. In such a configuration, when the dust inlet is closed, the arm of the open / close door is turned upward to raise the open / close door to open the dust inlet, and when the dust inlet is open The door is lowered by turning the arm downward to close the dust inlet (see Patent Document 1, Patent Document 2, and Patent Document 3).

In addition, when performing the operation of putting dust into the dust inlet, the driver of the dust collecting vehicle stops the dust collecting vehicle and causes the operator to perform the dust throwing operation. Therefore, in order to call attention to the fact that the garbage truck is stopped and working on passers-by and mainly vehicles traveling from behind the garbage truck, a tail lamp and work display are placed on the rear side of the dust box. A light is provided. In addition, an optional part such as a back-eye camera may be provided for the driver of the garbage truck to check the work status of the worker near the dust inlet. These optional parts are provided on the outside of the door or on the side of the input box so that the conventional garbage collector with a rotating door can not be obstructed by the door during operation. Yes.
Japanese Utility Model Publication No. 6-53511 Japanese Utility Model Publication No. 6-8313 JP 2001-19106 A

For this reason, the wiring work for the optional parts described above has been complicated.
Moreover, since the opening / closing door of the dust input port is frequently opened and closed, the wire harness wired and retracted each time the door is opened and closed causes a problem of disconnection.
Further, the optional parts attached to the opening / closing door may not always have good visibility when the door is opened / closed.

  It is an object of the present invention to improve the durability of optional parts provided in the garbage collection box of the garbage truck without providing optional parts on the open / close door, and also improve the visibility of the display by the optional parts during work. There is.

In order to solve the above-mentioned problem, the invention according to claim 1 is a dust collection box of a garbage collection vehicle, wherein a fixed surface is provided on the rear surface above the dust input port of the dust collection box, and both sides of the fixed surface are provided. An indicator lamp such as a tail lamp is provided at the edge, and the open / close door of the dust input port is disposed on the lower surface side of the fixed surface and is housed in the upper part inside the dust input box body, on the left and right side walls of the dust input box main body. A pair of upper guide rails having a U-shaped cross-section from the upper part to the middle part are provided, and a pair of lower guide rails having a U-shaped cross-section from the middle part to the lower part are provided on the left and right side walls of the dust box main body. A roller for rolling the upper and lower guide rails is attached to both side edge portions of the open / close door, and the open / close door is slid along each pair of the upper and lower guide rails to be opened and closed. Features and That.

According to a second aspect of the present invention, in the refuse input box of the dust collector according to the first aspect, when the lower end portion of the lower guide rail is bent and the open / close door of the dust input opening is closed, The open / close door is pressed against a structure around the open / close door to form a substantially sealed structure .

  According to the first aspect of the present invention, since the open / close door of the dust input port is accommodated in the dust input box body, the rear surface of the dust input box is not blocked by the open / close door, so that a large number of fixing surfaces are secured. It became possible to do. Therefore, it is possible to attach optional parts such as work indicator lamps, tail lamps, and back eye cameras to the fixed surface above the slot, making wiring of the optional parts easier and easier than installing on the movable surface. The work can be simplified. Further, since the wire harness wired by the vibration that occurs each time opening and closing is displaced from the originally wired position, it is possible to suppress the occurrence of inconveniences such as being caught by an operator or an arm or the like.

  In addition, since the influence of vibration due to opening and closing of the door is reduced compared to the case where it is attached to the outer surface of the door, which is a movable surface, damage and deterioration of optional parts due to vibration can be suppressed. The durability of can be improved.

  In addition, since optional parts can be attached to the fixed surface, a vehicle traveling from the beginning of the installation, mainly from the back of the garbage collector, without considering the case where the dust inlet is open. It is possible to attach an optional part such as an indicator lamp during operation in consideration of an angle that is easy for a driver or the like to see, and the visibility of the optional part can be improved. Moreover, since it becomes difficult to receive the influence of the vibration by opening and closing of an opening-and-closing door by attaching to a fixed surface, the appropriate attachment angle at the time of attachment can be maintained.

  Further, by attaching optional parts to the fixed surface, the weight of the door can be reduced, the driving force used to open and close the door can be reduced, and the drive mechanism can be made compact.

According to the second aspect of the present invention, the open / close door is guided to the side wall on the dust input side of the bottom plate when the dust input port is closed, and the open / close door is strongly against the rear wall of the dust input port of the dust input box body. By pressing, a gap can be eliminated between the open / close door and the rear wall of the bottom plate.
For this reason, it is possible to prevent rainwater from entering the refuse input box in rainy weather, and to prevent the rain truck from increasing the load weight of the dust collection vehicle and, consequently, overloading.

  Moreover, the fuel consumption of the refuse collection vehicle can be improved by preventing an increase in the load weight due to the ingress of rainwater.

  In addition, it is possible to prevent the rainwater entering the refuse input box from being collected together with the collected dust in the incinerator of the refuse treatment facility and preventing the combustion in the incinerator from being disturbed, thereby reducing the treatment efficiency of the incinerator.

  In addition, although the disposal cost is paid to the waste disposal facility according to the amount of the dumped waste, the amount of dumping can be reduced by preventing the rainwater from entering the waste bin, thereby reducing the expenditure of the treatment cost. be able to.

  Further, since the door is strongly pressed against the rear wall of the bottom plate, there is no backlash of the door during traveling, and noise can be reduced.

  Further, by eliminating vibration due to rattling, it is possible to prevent damage to the door and its peripheral parts due to vibration, and to improve the durability of those parts.

    Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 and 2. The present invention is not limited to the illustrated example.

  As shown in FIG. 1, the dust input box 1 is provided with a bottom plate 2 for holding dust until the dust input from the dust input port is transported to a dust storage box (not shown). It is formed in a cylindrical shape.

Side panels 3 and 3 are disposed on both side edges of the bottom surface so as to be opposed to each other, and the upper side edges of the side panels 3 and 3 are also inclined forward. It is formed as follows. And the side panels 3 and 3 are supported by the support bar 4 connected to each inner surface which opposes.
Guide rail support plates 5 and 5 are connected to the rear edge portions of the side panels 3 and 3 so that the inner surfaces thereof face each other, and each guide rail support plate 5 and 5 has a front end and a center in the front-rear direction. The vicinity of the part is connected by long flat support members 6 and 7, respectively.

  The lower surfaces of the guide rail support plates 5, 5 are formed to match the inclination of the upper surfaces of the side panels 3, 3, and the rear ends of the guide rail support plates 5, 5 are along the rear surface of the dust bin 1. The shape is formed in an arc shape.

  The opposing inner surfaces (the left and right side walls of the dust inlet) of the guide rail support plates 5 and 5 follow the shape of the rear face of the dust inlet box 1 from the vicinity of the front end to the vicinity of the center in the front-rear direction. A pair of guide rails 9, 9 having a U-shaped cross section are provided so as to draw an arc, and the lower end portions of the guide rails 9, 9 are bent so as to be rearward toward the lower side. Further, shafts 10 that can be rotated forward and backward by a drive mechanism (not shown) are provided near the upper ends of the guide rails 9 and 9 on the inner surfaces of the guide rail support plates 5 and 5 facing each other.

  In addition, the lower end part of the guide rails 9 and 9 does not need to be bent.

  Further, as shown in FIG. 1 and FIG. 2, on the lower surface side of the opposed inner surfaces of the guide rail support plates 5, 5, dust is collected from the vicinity of the center portion of the guide rail support plates 5, 5 to the vicinity of the lower end portion. Another pair of guide rails 11 and 11 having a U-shaped cross section are provided so as to draw an arc along the rear surface of the input box 1, and the lower side of the lower end of the guide rails 11 and 11 is bent backward. It is made.

Further, the guide rails 9 and 9 may extend to the vicinity of the lower end portion in the longitudinal direction of the guide rail support plates 5 and 5, and the lower end portions of the guide rails 9 and 9 in that case may not be bent. Also good. In this case, the guide rails 11 may not be provided.
Further, the guide rails 9, 9 and 11, 11 may be provided as a member integral with the guide rail support plate or as a separate member.

  A fixed surface 12 for attaching optional parts is provided on the rear surface above the dust inlet 22, and the lower surface of the fixed surface 12 is formed so as to be in close contact with the upper surfaces of the guide rail support plates 5 and 5. Has been. .. Are provided on both side edges of the fixed surface 12 such as tail lamps. An opening 14 is formed from the middle part to the front part of the fixed surface. A long flat plate-like support member 15 is engaged with the opening portion 14 from the front end portion, and a gas damper 16 and a latch 17 are attached to the support member 15.

  A thin plate-like cover member 20 connected by hinges 19, 19 is disposed in the opening 14, and a latch 17 and a detachable striker 21 are attached to the thin plate-like cover member 20. .

  The fixed surface 12 can be used to attach other optional parts such as a working indicator lamp and a back eye camera.

  As described above, the cross section of the dust input port 22 of the dust input box main body 30 constituted by the side panels 3 and 3, the guide rail support plates 5 and 5, the fixed surface 12, the cover member and the like is formed in a U shape. An open / close door 23 that is guided by the guide rail and moves is provided.

  In order to smoothly open and close the door 23 at both side edges of the door 23, rollers 24, 24... Rolling inside the U-shaped cross section of the guide rails 9, 9, and the guide rails 11, 11 Rollers 24, 24... Rolling inside the U-shaped cross section are attached. Rack members 25, 25 are extended from both side edges on the upper end side of the opening / closing door 23. Pinions 26 and 26 are provided at both ends of the shaft 10, and rack members 25 and 25 are provided with teeth that mesh with the teeth of the pinion. The rack members 25, 25 are curved so that the open / close door 23 is smoothly guided by the guide rails 9, 9, 11, 11. Further, handles 27 are provided on the outer surface of the opening / closing door 23 to be used when the operator opens / closes the door. Alternatively, the door 23 can be opened and closed automatically by driving the pinion with a motor or the like.

  In addition, it is good also as providing the protrusion part in the attachment position of a roller in the both-sides edge part of the opening-and-closing door 23, or its vicinity, and sliding inside the cross-sectional U-shape of the guide rails 9, 9, 11, and 11.

  Next, the operation of the dust box according to the present embodiment will be described.

In order to open the dust input port 22 of the dust input box body 30 that is closed by the operator, the operator first holds the handles 27 and 27 of the open / close door 23 and pulls the open / close door 23 upward. The rollers 24, 24... On both side edges of the opening / closing door 23 have U-shaped cross sections of the guide rails 9, 9 and the guide rails 11, 11 provided on the left and right side walls of the dust inlet 22 of the dust box main body 30. On the inside, rolling starts upward and the open / close door 23 is guided and lifts up inside the dust box, and is held at a step (not shown) at the point where it is almost fully lifted. It is stored, and the dust inlet 22 is opened.
In order to close the dust input port 22 of the dust input box body 30 that is open to the operator, the operator first holds the handles 27 and 27 of the open / close door 23, lifts it once, and then pulls it downward. Then, the opening / closing door 23 is pulled out from the step by that force, and the rollers 24, 24... On both side edges of the opening / closing door 23 are guided rails 9 provided on the left and right side walls of the dust inlet 22 of the dust box main body 30. 9 and rolling start downward in the inside of the U-shaped cross section in the guide rails 11 and 11. Since the lower end portion of the guide rails 9 and 9 and the lower end portion of the guide rails 11 and 11 are bent in the dust throwing direction, the lower end portion of the open / close door 23 is guided toward the rear wall of the bottom plate 2 and the rear wall (structure) ) To form a substantially sealed structure, and the dust inlet 22 is closed without a gap. In addition, when driving a pinion with a motor, you may hold | maintain by providing a brake in a motor, without providing a level | step difference.

  As described above, in the present embodiment, the guide rails 9 and 9 and the guide rails 11 and 11 having lower ends bent in the dust throwing direction are provided on the inner surfaces of the guide rail support plates 5 and 5 facing each other. By opening and closing the door 23 along the guide line, it is possible to secure a wide fixed surface 12 on the rear surface of the dust box 1, and attaching optional components to the fixed surface increases the durability of the optional components. It is possible to improve the visibility of the display by the optional parts at the time of work.

  Further, by removing a gap between the open / close door 23 and the rear wall of the bottom plate 2 when the dust inlet 22 is closed, it is possible to prevent rainwater from entering the dust box when it rains, and to generate rattling during running. Can be prevented.

It is a disassembled perspective view for demonstrating the structure of the dust input box which concerns on this invention. It is the perspective view which isolate | separated only the opening / closing door for demonstrating the structure of the dust input box which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Dust input box 3 Side panel 5 Guide rail support plate 9 Guide rail 10 Shaft 11 Guide rail 12 Fixed surface 13 Indicator light 14 Opening part 20 Cover member 22 Dust input port 23 Open / close door 24 Roller 25 Rack member 26 Pinion 30 Dust input box Body

Claims (2)

In the dust box of the garbage truck,
A fixed surface is provided on the rear surface above the dust input port of the dust input box,
Indicator lights such as tail lamps are provided on both side edges of the fixed surface,
The open / close door of the dust input port is disposed on the lower surface side of the fixed surface and stored in the upper part inside the dust input box body,
A pair of upper guide rails having a U-shaped cross section from the upper part to the middle part are provided on the left and right side walls of the dust box main body,
A pair of lower guide rails having a U-shaped cross section from the middle part to the lower part are provided on the left and right side walls of the dust box main body,
Rollers for rolling the upper and lower guide rails are attached to both side edges of the open / close door,
A dust container for a garbage truck, wherein the open / close door is slid along each pair of the upper and lower guide rails . When the lower end of the lower guide rail is bent and the open / close door of the dust inlet is closed, the open / close door is pressed against a structure around the open / close door to constitute a substantially sealed structure. The refuse input box of the refuse collection vehicle according to claim 1 .

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