JP3176870B2 - Garbage truck - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refuse collection vehicle, and more particularly to a refuse collection vehicle having a sewage tank capable of storing sewage due to refuse.

[0002]

2. Description of the Related Art Conventionally, as a refuse collection vehicle, a sewage tank is provided at the bottom of a tailgate, and a sewage hatch is rotatably mounted on a tailgate of a collection vehicle body to open and close a discharge port of the sewage tank. For example, Japanese Patent Publication No. 60-109
No. 61, a hinge is provided at the front side of the discharge port of the sewage tank, and a front end of the sewage hatch is rotatably supported by a pin of the hinge, and a rear end of the sewage hatch is provided. Is provided with a locking rod, and a U is provided for locking the locking rod.
2. Description of the Related Art A locking device having a U-shaped hook at a tip portion is provided on the rear surface of a tailgate (conventional example 1).

In discharging the sewage stored in the sewage tank in the refuse collection vehicle of the prior art 1, the locking device on the rear side of the tailgate is operated to release the hook of the sewage hatch. By rotating the sewage hatch, the discharge port of the sewage tank is opened, and the sewage in the sewage tank is discharged. Further, when closing the discharge port after completion of the discharge operation, first, the sewage hatch is rotated in a direction to close the discharge port, and a hook is hooked on a locking rod of the sewage hatch in this state. By operating the lock device, the outlet was closed.

As described above, the above-mentioned refuse collection vehicle (conventional example 1)
In this case, it is possible to open the discharge port of the sewage tank from the rear side of the tailgate, and this is useful when it is desired to discharge the sewage from the rear side of the garbage truck.

[0005] However, in the step of discharging the collected dust into the pit of the treatment plant, if the wastewater is discharged before the tailgate is opened, the above-mentioned dust collection vehicle (conventional example 1) It is necessary for an operator to get on the pit side to operate the lock device, and there is a possibility that the operator may fall accidentally into the pit.

[0006] In view of the above problem, a device disclosed in Japanese Utility Model Laid-Open No. 5-30006 is known as a device capable of operating the locking device from the front side of the discharge port at the side of the refuse collection vehicle (prior art). Example 2).

[0007] The refuse collection vehicle (conventional example 2) described in the official gazette is:
A bracket is protrudingly provided on the front side of the discharge port, and a sewage hatch is pivotally supported by a pin provided on the bracket, and a lock lever for rotating the sewage hatch in a closing direction is provided on a collection vehicle. Is provided so that it can be operated from the front side of the discharge port on the side of. Specifically, on the rear side of the tailgate outlet, a pressing member for pressing a pin provided at the rear end of the sewage hatch to the closing side is rotatably pivotally supported, and The lock lever has a configuration in which a substantially U-shaped locking member for locking the pressing member is rotatably provided.When the closed discharge port is opened, the discharge port is closed. By operating the lock lever from the front side (the front side of the tailgate) to release the locking of the pressing member by the locking member, the pressing of the sewage hatch by the pressing member is released and the discharge port is opened. Met.

In the refuse collection vehicle of the prior art 2, when the discharge port is closed after the discharge operation is completed, first, the sewage hatch is rotated in a direction to close the discharge port, and the rear end of the sewage hatch is closed. The pressing member is brought into contact with the pin on the side, the locking member is locked on the pressing member in this state, and the discharge port is closed by operating the lock lever.

[0009]

However, in this kind of garbage truck, it is more convenient to open the discharge port from where it is convenient to use depending on the facilities of the treatment plant and the like. Even in a refuse collection vehicle, the operation is limited to either the operation from the front side or the rear side.

In the opening / closing mechanism of the above-mentioned prior art example 2, a pin for pivotally supporting the sewage hatch is provided at the rear side of the discharge port of the tailgate, and the design of the pressing member is changed to the front side of the discharge port. By doing so, it can be conceived that opening from the back side can be performed. However, every time such a design change is made, it is necessary to change the position of the bracket provided on the tailgate, etc., and it is difficult to appropriately change the position as desired, and further, the common use of parts is attempted. There is a problem that can not be.

Further, in any of the above-described conventional refuse collection vehicles, when closing the sewage hatch after the end of the operation of discharging sewage, the sewage hatch may be first turned to the closing side. In this state, it is necessary to separately perform a locking operation, and the operation is complicated.

Accordingly, the present invention has been made to solve such a problem, and a first object of the present invention is to make it possible to easily operate the sewage hatch as required using common components. Another object of the present invention is to provide a refuse collection vehicle whose design can be changed. A second object of the present invention is to provide a refuse collection vehicle that can be opened and closed extremely easily.

[0013]

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and a refuse collection vehicle according to the present invention has a sewage tank capable of storing sewage caused by collected trash.
7 and the collection truck body to open and close the discharge port of the sewage tank 7.
1 and a sewage hatch 10 rotatably mounted on the garbage collection vehicle body 1, the collection vehicle body 1 has two pins 9 for mounting the sewage hatch 10 to close the discharge port.
a, 9b are provided, and the sewage hatch 10 is provided with a hatch main body 12 rotatably supported by one of the pins 9a, 9b, and a rotatable pivot on the hatch main body 12. A fastening hook 20 pivotally supported and capable of locking the other one of the pins 9a and 9b, an opening / closing lever 40 pivotally supported by the hatch body 12, and a rotation with the opening / closing lever 40; A link member 30 rotatably supported and rotatably connected to the tightening hook 20;
Is rotated so that the locking of the pin 9b of the fastening hook 20 is released.

In the refuse collection vehicle according to the present invention, when the opening / closing lever 40 is rotated from a state where the discharge port is closed, the engagement of the fastening hook 20 is released, so that the hatch main body is provided.
The outlet can be opened by rotating 12. Here, of the two pins 9a and 9b, one of the pins 9a is used as a pin for attaching the hatch main body 12 of the sewage hatch 10, and the other pin 9b is used as a pin for locking the fastening hook 20. The hatch body 12 can be rotated about the selected pin as a fulcrum by selecting which pin causes the hatch body 12 to be pivotally supported. That is, for example, the pin 9a on the front side and the pin 9b on the rear side of the discharge port
If you have a hatch body on the front pin 9a
If the pin 12 is pivotally supported and the rear pin 9b is used for locking the fastening hook 20, the hatch body 12 can be rotated with the front pin 9a as a fulcrum, and conversely, the rear Pin 9b
If the hatch body 12 is pivotally supported and the front pin 9a is used to lock the fastening hook 20, the hatch body 12 can be rotated with the rear pin 9b as a fulcrum.

In the refuse collection vehicle according to the present invention, for example, the link member 30 and the fastening hook 20 can be pivotally detachably supported. The hatch body 12, the fastening hook as described in claim 2.
It is preferable to adopt a configuration in which the opening / closing lever 40, the link member 30, and the link member 30 cannot be detached from each other and are pivotally connected to each other. Here, "non-detachable" indicates a state where the pivotal connection of each member is not released at least when the hatch main body 12 is rotated to the open side.

In the refuse collection vehicle according to the second aspect of the present invention, by operating only the opening / closing lever 40 in a state where the discharge port is opened, the rotation of the hatch main body 12 and the tightening hook 20 are performed. Can be locked. That is, since the opening / closing lever 40 is irremovably connected to the hatch main body 12, the hatch main body 12 can be rotated to the discharge port side by the opening / closing lever 40. Further, in this state, the opening / closing lever 40 is connected to the hatch main body 12. , The fastening hook 20 pivotally connected to the link member 30 irremovably via the link member 30 pivotally connected to the opening / closing lever 40 irremovably. Thus, the pin can be locked by the fastening hook 20.

[0017]

Embodiments of the present invention will be described below with reference to the drawings.

In FIG. 1, reference numeral 1 denotes a collection truck main body comprising a storage box 3 having an opening at the rear and a tailgate 5 capable of opening and closing the rear opening of the storage box 3. The tail gate 5 is rotatably mounted on the housing box 1 with the pivot 4 at the upper end as a fulcrum, and a dust pushing device (not shown) is provided inside the tail gate 5 so that work can be performed by the dust pushing device. The garbage thrown into the tailgate 5
3 to be pushed into.

Further, the tailgate 5 is provided with a sewage tank 7 for storing sewage generated when dust is pushed into the inner bottom portion. The sewage tank 7 is stored in the sewage tank 7 beside the sewage tank 7. An outlet for discharging the wastewater is formed, and the outlet of the wastewater tank 7 is closed by a wastewater hatch 10.

Here, the tailgate 5 has a sewage hatch.
Pins 9a and 9b for rotatably mounting 10 are sewage tanks
It is provided adjacent to the front and side of the discharge port of No. 7.

The front pin 9a of the two pins 9a and 9b is provided on a bracket 8a protruding from the side of the tail gate 5, and the rear pin 9b is connected to the tail gate 5 of the tail gate 5. It is provided on a bracket 8b projecting laterally from the back side. Further, as shown in FIG. 3, these pins 9a and 9b have the same width of projection L1 from the side of the tailgate 5 to the side, and furthermore, the distance from the front pin 9a to the front edge of the discharge port, It is provided so that the distance from the rear side pin 9b to the trailing edge of the outlet is equal.

In the present embodiment, first, as shown in FIGS. 1 to 3, a case will be described in which a sewage hatch 10 is pivotally attached to a front pin 9a. The sewage hatch 10 includes a hatch body 12 rotatably supported by a front pin 9a, and a fastening hook 20 rotatably supported by the hatch body 12 and capable of locking a rear pin 9b. And the hatch body 12
Opening and closing lever 40 pivotally supported on the
It comprises a fastening hook 20 and a link member 30 which is rotatably supported on a rotatable manner.

Here, the hatch body 12 has a sewage tank 7
A lid 14 is attached so as to abut against the peripheral edge of the discharge port to seal the discharge port, and the discharge port is opened by the hatch body 12 rotating forward with the pin 9a as a fulcrum. It becomes. The lid 14 of the hatch body 12 is provided with a packing that comes into contact with the peripheral edge of the discharge port.

The hatch body 12 has a front pin
9a (see FIGS. 1 to 3)
In the rear side), a substantially L-shaped fastening hook 20
Are rotatably pivotally connected. In addition, tightening hook 20
As shown in FIGS. 2 and 3, the shaft 18 inserted through the substantially central portion of the L-shaped fastening hook 20 is fixed to the end of the hatch body 12 and It is pivotally connected so that it cannot be disengaged.

Further, the substantially L-shaped one end of the fastening hook 20 is connected to the shaft with the cover 14 in contact with the peripheral edge of the discharge port.
By pivoting about the fulcrum 18, it is provided so as to be freely engaged and disengaged from the pin 9b on the rear side.

A substantially U-shaped link member 30 in side view is connected to the substantially L-shaped other end of the fastening hook 20. Here, the fastening hook 20 and the link member 30 are shown in FIG.
As shown in FIG. 5, the link member 30 is inserted into the notch 22 formed inside the fastening hook 20, and the opening of the notch 22 is caulked (deformed) by a hammer or the like. It is pivotally connected so that it cannot be disengaged. In order to irremovably and rotatably connect to each other, it is also possible to weld a projection or the like for preventing detachment to the opening of the notch 22.

As shown in FIGS. 2 and 3, the link member 30 is rotatably connected to a sliding member 42 of an opening / closing lever 40. The connection between the link member 30 and the opening / closing lever 40 (sliding member) is also provided so as to be non-detachable and rotatable.

Further, the sliding member 42 is slidably fitted to a lever main body 44, and the lever main body 44 is rotatably connected to a flange 12a at the center of the hatch main body 12. Here, a spring that presses and biases the sliding member 42 is provided between the flange 12a and the sliding portion 42 on the lever body 44.
46 are interposed. The opening / closing lever 40 (lever body)
The connection between 44) and the hatch body 12 is also non-detachable and rotatably connected.

Further, the end of the lever body 44 is bent toward the vehicle body when the discharge port is closed, thereby forming a grip portion 44a to be gripped by the operator during work.

The refuse collection vehicle according to the present embodiment has the above configuration, and is used as follows.

First, the sewage tank 7 is opened by the sewage hatch 10.
When the garbage is collected in a state where the discharge port is closed, sewage is generated from the garbage by a pushing device or the like, and the sewage is stored in the sewage tank 7.

When discharging the sewage stored in the sewage tank 7 at a pit or the like of a garbage disposal plant, the discharge port is opened by rotating the open / close lever 40 to discharge the sewage. it can. That is, when the operator holds the gripping portion 44a of the lever body 44 from the front side of the tailgate 5 and rotates the lever body 44 outward, the fastening hook 20 is pivoted through the link member 30. 18
The pin on the rear side is rotated by the
The lock of 9b is released. Further, by pulling the lever body 44 and rotating the hatch body 12 with the front side pin 9a as a fulcrum, the discharge port is opened.
As described above, in the present embodiment, since the opening operation can be performed from the side of the tailgate 5 from the front side of the discharge port, it is useful when the collected dust is discharged into the pit of the treatment plant. .

In order to close the discharge port of the sewage tank 7 after discharging the sewage in the sewage tank 7, the hatch main body 12 is supported by the gripping portion 44a of the lever main body 44 and the pin 9a on the front side is supported. And the lid 14 is brought into contact with the peripheral portion of the discharge port. Then, in this state, the lever main body 44 is rotated toward the tailgate 5 side using the connection point of the hatch main body 12 as a fulcrum, whereby the fastening hook 20 is rotated about the shaft 18 as a fulcrum via the link member 30 and the The locked state between the attached hook 20 and the pin 9b on the rear side is obtained. As described above, the discharge port can be simply closed by only operating the opening / closing lever 40 (lever main body 44).

Although this embodiment has the above advantages, the tailgate 5 can be further formed by using the same members.
The design can be changed so that the operator can open and close the discharge port from the back side of the device.

That is, the same sewage hatch as in the above embodiment is used.
Using the two pins 9a and 9b of the rear gate 10 and the tailgate 5, the hatch body 12 is pivotally supported on the rear pin 9b as shown in FIG. The tailgate 5 is positioned to be grippable from the rear side, and the opening / closing lever 40 can be operated from the rear side of the tailgate 5. As described above, since the operation can be performed from the rear side of the tailgate 5, there is an advantage that sewage discharged from the discharge port provided on the side surface of the tailgate 5 does not fall on the operator.

Further, as described above, using the same sewage hatch 10 and pins 9a and 9b, mounting of the sewage hatch 10 which can be operated from the front side of the tailgate 5, and the tailgate
5. Since the sewage hatch 10 that can be operated from the back side of 5 can be mounted as appropriate, there is an advantage that standardization of parts can be achieved.

The two pins 9a and 9b are connected to the tailgate 5
Since the projecting width L1 from the side of the (collection vehicle main body 1) to the side is provided substantially equal, when the hatch main body 12 is pivotally attached to any of the front and rear pins 9a and 9b. Also, there is an advantage that the lid 14 reliably contacts the peripheral portion of the outlet, and the outlet can be reliably closed by the sewage hatch 10.

Further, since the distance from the front pin 9a to the front edge of the outlet is substantially equal to the distance from the rear pin 9b to the rear edge of the outlet, the cover 14 is provided.
If the area of the hatch is approximately equal to the outlet,
This has the advantage that the outlet can be accurately closed by the lid 14 even if the fin is pivotally attached to either the front side or rear side pin 9a, 9b.

Although the above-described embodiment has the above-described advantages over the above-described configuration, the present invention is not limited to this, and the design can be changed as appropriate within the range intended by the present invention.

That is, in the above-described embodiment, each member 12,... Of the sewage hatch 10 has been described as being irremovably connected. The link member 30 is simply inserted and the lid
Even if 42 are provided so as to be separated from each other in an open state, it is within the intended range of the present invention. However, in the present invention, it is preferable that the respective members 12,... Of the sewage hatch 10 are connected so as not to be detachable, as in the above-described embodiment. This eliminates the need for an operation such as insertion into the notch portion 22, and has the advantage that the operation is simple.

[0041]

As described above, the refuse collection vehicle according to the present invention is provided with two pins for rotatably mounting the sewage hatch on the collection vehicle main body. By selecting whether one of the pins is used as a pin for attaching the hatch body of the sewage hatch, the hatch body can be rotated with the selected pin as a fulcrum, It has the effect that the design can be changed so that the opening operation can be performed from a desired direction according to the wishes of the user, etc., and even if the design is changed in this way, use a sewage hatch of the same structure Therefore, there is an effect that components can be shared.

Further, in the refuse collection vehicle according to the second aspect of the present invention, since the respective members of the sewage hatch are pivotally connected to each other so as not to be detachable, only the opening / closing lever is operated, so that the hatch main body can be moved. The sewage hatch can be closed and closed only after the sewage draining operation is completed, and the turning and locking of the sewage hatch can be performed only by the opening / closing lever. The opening and closing operation can be performed extremely easily.

[Brief description of the drawings]

FIG. 1 is an enlarged side view of a main part of a refuse collection vehicle according to an embodiment of the present invention.

FIG. 2 is an enlarged side view of a main part of the embodiment.

FIG. 3 is an enlarged plan view of a main part of the embodiment.

FIG. 4 is an enlarged plan view of a main part showing an example in which a pivoting point of the hatch main body is changed in the embodiment.

[Explanation of symbols]

1 ... collection vehicle body, 3 ... storage box, 5 ... tailgate, 7 ...
Sewage tank, 8a, 8b ... Bracket, 9a, 9b ... Pin, 10 ...
Sewage hatch, 12 ... Hatch body, 12a ... Flange, 14 ... Lid, 18 ... Shaft, 20 ... Tightening hook, 22 ... Notch, 30 ... Link member, 40 ... Opening / closing lever, 42 ... Sliding member, 44 ... Lever body, 46 ... spring

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B65F 3/00

Claims (2)

(57) [Claims] A sewage tank (7) capable of storing sewage due to refuse to be collected, and sewage water rotatably mounted on a collection vehicle body (1) to open and close a discharge port of the sewage tank (7). A garbage truck equipped with a hatch (10);
(1) is provided with two pins (9a, 9b) for attaching a sewage hatch (10) to close the discharge port, and the sewage hatch (10) is provided with the pins (9a, 9a). 9b), a hatch body (12) rotatably supported on one of the pins (9a), and the pin (9a,
Tightening hook (20) that can lock the other pin (9b) of 9b)
An opening / closing lever (40) rotatably supported by the hatch body (12); and an opening / closing lever (40) rotatably supported by the hatch body (12) and rotatable by the fastening hook (20). A link member (30) pivotally supported by the hatch body (12)
By rotating (40), the pins (9a,
9b). A refuse collection vehicle characterized in that the lock of 9b) is released. 2. The hatch body (12), a fastening hook (20),
2. The refuse collection vehicle according to claim 1, wherein the opening / closing lever (40) and the link member (30) are respectively irremovable and pivotably connected to each other.