JP7616896B2 - Refuse collection truck - Google Patents

Description

The present invention relates to a refuse collection vehicle that has a safety confirmation member that allows the driver to check the safety of the area behind the vehicle body.

Refuse collection vehicles have a loading box for storing refuse in the loading platform, and the loading port for loading the refuse from the loading box is provided at the rear of the vehicle body. There are many blind spots from the driver's seat behind such refuse collection vehicles. Therefore, a refuse collection vehicle that is equipped with a surveillance camera that shows the rear of the vehicle body and can eliminate blind spots has been devised, and such a refuse collection vehicle is disclosed, for example, in Patent Documents 1 and 2. The refuse collection vehicles disclosed in Patent Documents 1 and 2 are configured so that the safety of the rear of the vehicle body can be confirmed regardless of whether the loading port door is open or closed by installing a surveillance camera on the outside of the loading port door that opens and closes the refuse loading port.

JP 2005-314061 A JP 2015-105168 A

However, in conventional refuse collection vehicles such as those disclosed in Patent Documents 1 and 2, the surveillance camera is positioned behind (outside) the refuse inlet door, so when the refuse inlet door is opened, even if an attempt is made to photograph the refuse inlet, the refuse inlet door is within the range of the surveillance camera and becomes an obstacle to filming.

The present invention aims to provide a refuse collection vehicle in which the loading port door does not impede the safety confirmation function of the safety confirmation member.

The first aspect of the present invention to solve the above problem is a refuse collection vehicle with a cargo box mounted on the vehicle body, the cargo box having a storage section for storing garbage, an inlet for inserting garbage into the storage section, and a door for opening and closing the inlet, the inlet being provided on the rear side of the vehicle body in the cargo box, a fixed wall facing the rear of the vehicle body being provided above the inlet in the cargo box, a safety confirmation member that is visible from the rear of the vehicle body being provided on the fixed wall, and the door being movable rearward of the safety confirmation member and above the safety confirmation member.

In this aspect, the packing box has a storage section for storing trash, an input port for inputting trash into the storage section, and a door for opening and closing the input port, the input port is provided on the rear side of the vehicle body of the packing box, a fixed wall facing the rear of the vehicle body is provided above the input port of the packing box, and a safety confirmation member visible from the rear of the vehicle body is provided on the fixed wall, and the door is movable rearward of the safety confirmation member and above the safety confirmation member.
Therefore, when the door closes the input port, the door is located below the safety confirmation member, and when the door opens the input port to input garbage, the door is located above the safety confirmation member. In other words, when the door closes the input port and when the door opens the input port to input garbage, the door is not located behind the safety confirmation member. In other words, there is no obstacle that would impair the safety confirmation function of the safety confirmation member. Therefore, the safety confirmation member can perform its safety confirmation function not only when the door closes the input port, but also when garbage is being input into the storage section of the packing box.
Specifically, if the safety confirmation member is a surveillance camera, the door does not obstruct the surveillance camera's image capture, allowing the camera to capture a good image of the input port and the situation behind the vehicle. Also, if the safety confirmation member is an indicator light, people in the vicinity behind the refuse collection vehicle can see the safety confirmation member. This allows people to know that the refuse collection vehicle is working, alerts them, and helps to avoid dangerous actions such as carelessly approaching the refuse collection vehicle.

The second aspect of the present invention is a refuse collection vehicle with a cargo box mounted on the vehicle body, the cargo box having a storage section for storing garbage, an inlet for inserting garbage into the storage section, and a door for opening and closing the inlet, the inlet is provided on the rear side of the vehicle body in the cargo box, a fixed wall facing the rear of the vehicle body is provided above the inlet in the cargo box, and a safety confirmation member visible from the rear of the vehicle body is provided on the fixed wall, guide rails are provided on both sides of the inlet, the guide rails extend from at least the height position of the lower end of the inlet at least above the safety confirmation member, the guide rails are constantly engaged with the lower part of the door, and the door is movable behind the safety confirmation member.

According to a second aspect, the packing box is provided with a storage section for storing trash, an input port for inputting trash into the storage section, and a door for opening and closing the input port, the input port is provided on the rear side of the vehicle body of the packing box, a fixed wall facing the rear of the vehicle body is provided above the input port of the packing box, and a safety confirmation member visible from the rear of the vehicle body is provided on the fixed wall. The door is movable behind the safety confirmation member.
Therefore, when the door closes the input port, the door is located below the safety confirmation member, and when the door opens the input port to input garbage, the door is located above the safety confirmation member. In other words, when the door closes the input port and when the door opens the input port to input garbage, the door is not located behind the safety confirmation member. In other words, there is no obstacle that would impair the safety confirmation function of the safety confirmation member. Therefore, the safety confirmation member can perform its safety confirmation function not only when the door closes the input port, but also when garbage is being input into the storage section of the packing box.
Specifically, if the safety confirmation member is a surveillance camera, the door does not obstruct the surveillance camera's image capture, allowing the camera to capture a good image of the input port and the situation behind the vehicle. Also, if the safety confirmation member is an indicator light, people in the vicinity behind the refuse collection vehicle can see the safety confirmation member. This allows people to know that the refuse collection vehicle is working, alerts them, and helps to avoid dangerous actions such as carelessly approaching the refuse collection vehicle.
In this aspect, guide rails are provided on both sides of the insertion opening, and the guide rails extend from at least the height position of the lower end of the insertion opening at least above the safety confirmation member, and the guide rails are constantly engaged with the lower part of the door, so that the lower part of the door moves along the guide rails and the door can move above the safety confirmation member or below the safety confirmation member.
Here, the "lower part" of the door refers to the bottom surface, lower edge, and near the bottom end of the side of the door.
In addition, since only the lower part of the door engages with the guide rail, the door can swing around the engaged part of the lower part as a base point. Therefore, when the door moves upward, it can swing around the lower part as a base point to change the position of the door so that it does not collide with the safety confirmation member.
Therefore, even if a safety confirmation member is placed directly above the door when the insertion opening is closed, the upper part of the door can be swung backward when the door rises, thereby preventing the door from coming into contact with the safety confirmation member.
As a result, when the door opens the insertion port, the door can move behind the safety confirmation member without coming into contact with or colliding with the safety confirmation member. And since the door can move above the safety confirmation member, the door does not exist behind the safety confirmation member. Therefore, there is no obstacle behind the safety confirmation member, and the safety confirmation member can perform its safety confirmation function.

The third aspect of the present invention is a refuse collection vehicle with a cargo box mounted on the vehicle body, the cargo box having a storage section for storing garbage, an inlet for inserting garbage into the storage section, and a door for opening and closing the inlet, the inlet being provided on the rear side of the vehicle body of the cargo box, a fixed wall facing the rear of the vehicle body being provided above the inlet of the cargo box, the fixed wall being provided with a safety confirmation member that is visible from the rear of the vehicle body, the door being provided with a protruding engagement part that protrudes downward, and guide rails being provided on both sides of the inlet, the guide rails extending from a height position that is lower than the height position of the lower end of the inlet by at least the protruding length of the protruding engagement part from the door to at least the height position of the lower end of the fixed wall, the protruding engagement part constantly engaging with the guide rail, and the door being movable behind the safety confirmation member.

According to a third aspect, the packing box includes a storage section for storing trash, an input port for inputting trash into the storage section, and a door for opening and closing the input port, the input port is provided on the rear side of the vehicle body of the packing box, a fixed wall facing the rear of the vehicle body is provided above the input port of the packing box, and a safety confirmation member visible from the rear of the vehicle body is provided on the fixed wall. The door is movable behind the safety confirmation member.
Therefore, when the door closes the input port, the door is located below the safety confirmation member, and when the door opens the input port to input garbage, the door is located above the safety confirmation member. In other words, when the door closes the input port and when the door opens the input port to input garbage, the door is not located behind the safety confirmation member. In other words, there is no obstacle that would impair the safety confirmation function of the safety confirmation member. Therefore, the safety confirmation member can perform its safety confirmation function not only when the door closes the input port, but also when garbage is being input into the storage section of the packing box.
Specifically, if the safety confirmation member is a surveillance camera, the door does not obstruct the surveillance camera's image capture, allowing the camera to capture a good image of the input port and the situation behind the vehicle. Also, if the safety confirmation member is an indicator light, people in the vicinity behind the refuse collection vehicle can see the safety confirmation member. This allows people to know that the refuse collection vehicle is working, alerts them, and helps to avoid dangerous actions such as carelessly approaching the refuse collection vehicle.
In this aspect, the door is provided with a protruding engagement portion that protrudes downward, and guide rails are provided on both sides of the insertion opening, and the guide rails extend from a height position that is lower than the height position of the bottom end of the insertion opening by at least the protruding length of the protruding engagement portion from the door, to at least the height position of the bottom end of the fixed wall, and the protruding engagement portion is constantly engaged with the guide rails.
Therefore, the protruding engagement portion moves along the guide rail, and the door can move above the safety confirmation member or below the safety confirmation member.
In addition, since only the protruding engagement part protruding downward of the door engages with the guide rail, the door can swing around the part where the protruding engagement part engages with the guide rail as a base point. Therefore, when the door moves upward, it is possible to change the position of the door by swinging around the part where the protruding engagement part engages with the guide rail as a base point so as not to collide with the safety confirmation member.

The fourth aspect of the present invention is a refuse collection vehicle with a cargo box mounted on the vehicle body, the cargo box having a storage section for storing garbage, an inlet for inserting garbage into the storage section, and a door for opening and closing the inlet, the inlet is provided on the rear side of the vehicle body in the cargo box, a fixed wall facing the rear of the vehicle body is provided above the inlet in the cargo box, and a safety confirmation member that is visible from the rear of the vehicle body is provided on the fixed wall, a recessed portion recessed in the height direction or a through hole is provided in the lower part of the door, the door can be raised and lowered behind the safety confirmation member to open and close the inlet, and when the door opens the inlet, the recessed portion or through hole of the door is at the height position of the safety confirmation member.

In a fourth aspect of the present invention, a packing box includes a storage section for storing trash, an input port for inputting trash into the storage section, and a door for opening and closing the input port, the input port is provided on the rear side of the vehicle body of the packing box, a fixed wall facing the rear of the vehicle body is provided above the input port of the packing box, and a safety confirmation member visible from the rear of the vehicle body is provided on the fixed wall, and a recessed portion recessed in the height direction or a through hole is provided on the lower part of the door, the door can be raised and lowered behind the safety confirmation member to open and close the input port, and when the door opens the input port, the recessed portion or the through hole of the door is at the height position of the safety confirmation member.
Therefore, when the door closes the input port, the door is located below the safety confirmation member, and when the door opens the input port to input garbage, the door is located above the safety confirmation member. In other words, when the door closes the input port and when the door opens the input port to input garbage, the door is not located behind the safety confirmation member. In other words, there is no obstacle that would impair the safety confirmation function of the safety confirmation member. Therefore, the safety confirmation member can perform its safety confirmation function not only when the door closes the input port, but also when garbage is being input into the storage section of the packing box.
Specifically, if the safety confirmation member is a surveillance camera, the door does not obstruct the surveillance camera's image capture, allowing the camera to capture a good image of the input port and the situation behind the vehicle. Also, if the safety confirmation member is an indicator light, people in the vicinity behind the refuse collection vehicle can see the safety confirmation member. This allows people to know that the refuse collection vehicle is working, alerts them, and helps to avoid dangerous actions such as carelessly approaching the refuse collection vehicle.

It is preferable that the lower end of the insertion opening has a shielding member that shields the recessed portion of the door or the through hole.

With this configuration, when the door closes the insertion opening, the recess or through hole of the door can be shielded by the shielding member.

According to the present invention, the safety confirmation member can effectively perform the safety confirmation function when the door closes the input opening and when the door opens the input opening to input garbage.

1A and 1B are side views of a refuse collection vehicle according to an embodiment of the present invention, in which FIG. 1A shows a state in which a door closes a drop opening, and FIG. 1B shows a state in which the door opens a drop opening. 2A is a perspective view showing the rear of the garbage collection vehicle of FIG. 1, in which (a) shows the state in which the door closes the drop-in opening, (b) shows the state in which the door is in the middle of opening the drop-in opening, and (c) shows the state in which the door has the drop-in opening open. 2(a) is a perspective view of the door portion of the refuse collection vehicle in FIG. 2(a), (b) is a perspective view showing the door and rail in (a) separated, and (c) is a perspective view showing the door in (a) raised along the rail and the upper part of the door further swung backward. 2A and 2B are perspective views showing only the rear part of a refuse collection vehicle according to another embodiment different from that of FIG. 1, in which (a) shows a state in which the door closes the drop-in opening, (b) shows a state in which the door is in the middle of opening the drop-in opening, and (c) shows a state in which the door has the drop-in opening open. 4(a) is a perspective view of the door portion of the garbage collection vehicle in FIG. 4(a), FIG. 4(b) is a perspective view showing the door and rail in FIG. 4(a) separated from each other, and FIG. 4(c) is a perspective view showing the door in FIG. 4(a) raised along the rail. 5 is an oblique view showing only the rear part of a refuse collection vehicle according to another embodiment different from those of FIGS. 1 and 4, in which (a) shows a state in which the door closes the drop-in opening, (b) shows a state in which the door is in the middle of opening the drop-in opening, and (c) shows a state in which the door has the drop-in opening open. 7A and 7B are perspective views showing only the rear part of a refuse collection vehicle according to another embodiment different from those of FIGS. 1, 4, and 6, in which (a) shows a state in which the door closes the drop-in opening, (b) shows a state in which the door is in the middle of opening the drop-in opening, and (c) shows a state in which the door has the drop-in opening open.

The following description will be given with reference to the drawings.
As shown in Fig. 1(a), the refuse collection vehicle 1 according to this embodiment has a driver's seat 12 at the front of the vehicle body 1a and a cargo box 2 at the rear. The cargo box 2 has a storage section 2a for storing refuse inside. The periphery of the cargo box 2 is closed, but an opening, an input port 3 (Fig. 2(c)), is provided at the rear. That is, the input port 3 is provided at the rear of the refuse collection vehicle 1. The input port 3 functions as an entrance and exit for refuse. As shown in Fig. 2(b), a fixed wall 5 is provided at the top of the input port 3. That is, the fixed wall 5 is a wall that partitions the top of the input port 3 facing the rear of the refuse collection vehicle 1.

A safety confirmation member 6 is attached to the fixed wall 5. In this embodiment, the safety confirmation member 6 is a surveillance camera. The safety confirmation member 6 (surveillance camera) can capture the area behind the input port 3 or the refuse collection vehicle 1.

As shown in FIG. 2(b), an auxiliary door 13 is provided below the insertion port 3. The auxiliary door 13 rotates around a horizontal axis to open the insertion port 3. The auxiliary door 13 is provided when the opening area of the insertion port 3 is larger than that of the door 4. The opening and closing operation of the auxiliary door 13 is similar to that of a known method, and a description thereof will be omitted.

The driver's seat 12 is provided with a receiver (monitor) (not shown). The video signal captured by the safety confirmation member 6 is transmitted to the receiver via a signal line (not shown) or wirelessly, and the worker in the driver's seat 12 can view images of the input port 3 and the area behind the refuse collection vehicle 1 on the receiver.

As shown in Figs. 2(a) to 2(c), the insertion port 3 is provided with a door 4. As shown in Fig. 3(b), the door 4 is a substantially rectangular member having an upper edge 4a, a lower edge 4b, and side edges 4c and 4d. Arms 11a and 11b are connected to the upper edge 4a of the door 4. The door 4 is connected to a drive mechanism (not shown) via the arms 11a and 11b. In other words, the arms 11a and 11b are attached to the upper edge 4a of the door 4 so that they can rotate relative to the door 4. The door 4 and the arms 11a and 11b are connected via pins (not shown).

As shown in FIG. 3(b), the lower portions of both left and right side portions 4c and 4d of the door 4 are provided with engagement protrusions 10a and 10b (engagement portions). The engagement protrusions 10a and 10b are cylindrical and protrude toward both the left and right sides of the door 4.

On the other hand, guide rails 7a, 7b are provided on both the left and right sides of the insertion port 3. The guide rails 7a, 7b have a generally U-shaped cross section, have engagement grooves 17a, 17b, and extend in the vertical direction. The lower ends 8a, 8b of the guide rails 7a, 7b are positioned at a lower height than the lower end 3a of the insertion port 3. The upper ends 9a, 9b of the guide rails 7a, 7b are positioned at a higher height than the safety confirmation member 6.

The distance between the guide rails 7a, 7b is greater than the width of the door 4. Furthermore, the engaging protrusions 10a, 10b of the door 4 engage with the opposing engaging grooves 17a, 17b of the guide rails 7a, 7b. In other words, the lower part of the door 4 is restrained by the guide rails 7a, 7b (engagement grooves 17a, 17b). The engaging protrusions 10a, 10b can move along the guide rails 7a, 7b, and can also rotate within the guide rails 7a, 7b. The engaging protrusions 10a, 10b are cylindrical in shape and can rotate smoothly within the guide rails 7a, 7b.

In other words, the width of the door 4 is narrower than the distance between the guide rails 7a and 7b, and the door 4 can rotate (swing) around the engagement protrusions 10a and 10b relative to the guide rails 7a and 7b.

The door 4 is suspended by arms 11a and 11b. As shown in FIG. 2(a), when the door 4 reaches the lowered position, the lower edge 4b of the door 4 abuts or engages with the raised auxiliary door 13, and the input port 3 is closed. In other words, the inside and outside of the storage section 2a of the packing box 2 are blocked off. Also, when the door 4 reaches the raised position, the input port 3 is opened.

When the door 4 rises, the lower part of the door 4 (engagement protrusions 10a, 10b) rises along the guide rails 7a, 7b, and the upper edge part 4a of the door 4 is pulled by the arms 11a, 11b and moves backward as shown in FIG. 2(b). In other words, only the engagement protrusions 10a, 10b (FIG. 3(b)) provided on the lower part of the door 4 are constantly engaged with the guide rails 7a, 7b, and the upper edge part 4a of the door 4 moves (swings) backward. As a result, the door 4 swings around the engagement protrusions 10a, 10b while rising along the guide rails 7a, 7b, and the upper edge part 4a of the door 4 moves backward.

A safety confirmation member 6 is attached to the fixed wall 5 that separates the upper part of the insertion port 3, but since the upper edge 4a of the door 4 moves backward as the door 4 rises, the door 4 can rise without coming into contact with or colliding with the safety confirmation member 6. In other words, the lower part of the door 4 is engaged with and restrained by the guide rails 7a, 7b, and the upper part of the door 4 is suspended by the arms 11a, 11b, which pull the door 4 upward and backward so that the door 4 passes behind the safety confirmation member 6, changing the position of the door 4.

Also, both the upper and lower parts of the side edges 4c, 4d of the door 4 may be engaged with the guide rails 7a, 7b (engagement grooves 17a, 17b) so that the upper edge 4a of the door 4 does not swing backward, and furthermore, the part of the fixed wall 5 where the safety confirmation member 6 is attached may be recessed (retracted) forward, and the safety confirmation member 6 may be positioned forward of the movement trajectory of the door 4 that moves along the guide rails 7a, 7b. Even with this configuration, the safety confirmation member 6 can perform its safety confirmation function without being obstructed by the door 24 when the door 24 is fully closed and fully open.

In the refuse collection vehicle 1 according to this embodiment, the door 4 that opens and closes the inlet 3 through which refuse is put into the storage section 2a passes behind the safety confirmation member 6 and rises and falls, so the inlet 3 of the storage section 2a can be provided at the rearmost position of the vehicle body 1a. Therefore, the inlet 3 is located at the rearmost position of the vehicle body 1a, making it easy for workers to put refuse into the inlet 3.

In addition, since the dimension of the safety confirmation member 6 protruding rearward can be reduced, the safety confirmation member 6 does not occupy the surrounding space. Therefore, the safety confirmation member 6 is less likely to come into contact with equipment or objects behind the refuse collection vehicle 1.
In addition, since the door can move behind the safety confirmation member, there is no need to provide a portion for attaching the safety confirmation member to the rear of the refuse collection vehicle, or for the safety confirmation member to protrude rearward beyond the door, which simplifies the structure of the rear of the refuse collection vehicle.
In addition, since the safety confirmation member can be provided directly above the door when it is in the lowered position with the input opening closed, the fixed wall on which the safety confirmation member is attached can be positioned close to the position of the door when it is in the lowered position in the fore-aft direction of the vehicle body, thereby ensuring a large capacity for the storage section of the cargo box.

A surveillance camera, for example, can be used as the safety confirmation member 6. If the image captured by the surveillance camera can be viewed on a monitor (not shown) installed in the driver's seat 12, the operator in the driver's seat 12 can monitor the situation behind the refuse collection vehicle 1 and the situation near the drop-in opening 3. Because there are no obstacles to filming behind the surveillance camera, the surveillance camera can capture good images of the rear of the refuse collection vehicle 1 and the drop-in opening 3. In other words, the surveillance camera, which is a safety confirmation member, can perform a safety confirmation function.

Also, an indicator light can be used as the safety confirmation member 6. When the door 4 is in the lowered position that closes the input port 3, and when the door 4 is in the raised position that opens the input port 3, people in the vicinity behind the refuse collection vehicle 1 can see the indicator light. Therefore, the indicator light lets people know that the refuse collection vehicle 1 is in operation, ensuring safety.

Next, a refuse collection vehicle 21 according to another embodiment will be described with reference to Figures 4 and 5. The refuse collection vehicle 21 shown in Figures 4(a) to 4(c) has a structure that is generally similar to the refuse collection vehicle 1 shown in Figure 1, but the structure of the door 24 differs from the structure of the door 4 of the refuse collection vehicle 1. In the following, the same components of the refuse collection vehicle 21 as those of the refuse collection vehicle 1 are given the same reference numerals, and duplicate explanations will be omitted.

As shown in Figures 5(a) to 5(c), the door 24 has an upper edge portion 24a, a lower edge portion 24b, and side edges 24c and 24d, and opens and closes the insertion port 3 (Figure 4(b)) by rising and lowering. The side edges 24c and 24d of the door 24 do not have the engagement protrusions 10a and 10b like those of the door 4, and instead have protruding engagement portions 15a and 15b on the bottom edge portion 24b. The protruding engagement portions 15a and 15b are bent into a roughly L-shape, and one end of each is fixed to the bottom edge portion 24b of the door 24. The other ends of the protruding engagement portions 15a and 15b form free ends 16a and 16b, which extend toward the side of the door 24.

As shown in FIG. 5(b), the free ends 16a and 16b of the protruding engagement portions 15a and 15b protrude outward (to the side) beyond the side edges 24c and 24d of the door 24. As shown in FIG. 5(a) and FIG. 5(c), the free ends 16a and 16b engage with the engagement grooves 17a and 17b of the guide rails 7a and 7b.

Like door 4, door 24 is suspended from arms 11a, 11b and moves up and down, and when slot 3 is open, protruding engagement parts 15a, 15b are at a height position near upper ends 9a, 9b of guide rails 7a, 7b, and lower edge 24b of door 24 is located above safety confirmation member 6. In other words, lower edge 24b is located above upper ends 9a, 9b of guide rails 7a, 7b, but door 24 engages with guide rails 7a, 7b at protruding engagement parts 15a, 15b (free ends 16a, 16b) fixed to lower edge 24b.

That is, the protruding engagement parts 15a, 15b protrude below the bottom edge part 24b of the door 24, and the length of their downward protrusion is longer than the distance from the height position of the upper ends 9a, 9b of the guide rails 7a, 7b to the height position of the safety confirmation member 6. Therefore, when the free ends 16a, 16b of the protruding engagement parts 15a, 15b come close to the upper ends 9a, 9b of the guide rails 7a, 7b, the bottom edge part 24b of the door 24 moves above the safety confirmation member 6. And the safety confirmation member 6 can perform its safety confirmation function without being obstructed by the door 24 when the door 24 is fully closed and fully open.

Here, the safety confirmation function means that if the safety confirmation member 6 is a surveillance camera, it will take pictures of the input port 3 and the rear of the vehicle body 1a, and if the safety confirmation member 6 is an indicator light, it means that the indicator light can be seen by people around the refuse collection vehicle 1 and can alert them.

Figure 6 shows the rear of a refuse collection vehicle 31 according to another embodiment different from those of Figures 2 and 4. In the refuse collection vehicle 31, the structure of the door 34 and the auxiliary door 33 differs from the structure of the door 4 and the auxiliary door 13 of the refuse collection vehicle 1 in Figure 2.

The door 34 has an upper edge portion 34a, a lower edge portion 34b, and side edges 34c and 34d, and the lower portions of the side edges 34c and 34d are provided with engagement protrusions (not shown) similar to the engagement protrusions 10a and 10b of the door 4 shown in FIG. 3(b). The engagement protrusions (not shown) engage with the guide rails 7a and 7b. In addition, a notch 35 (recessed portion) is provided in the center of the lower edge portion 34b. The notch 35 is shaped so that the lower edge portion 34b is recessed upward (in the height direction).

On the other hand, the auxiliary door 33 is provided with a shielding portion 36 (shielding member). The shielding portion 36 is a portion that is provided integrally with the upper edge portion 33a of the auxiliary door 33, and when the door 34 is lowered, it overlaps with the cutout portion 35 of the door 34 in the front-to-rear direction and has the function of covering the cutout portion 35 from the rear side. Figure 6 (a) shows the state in which the cutout portion 35 is shielded by the shielding portion 36, and at this time the cutout portion 35 is shielded and communication between the inside and outside of the storage portion 2a of the packing box 2 is blocked.

As shown in FIG. 6(b), when the door 34 rises, the notch 35 moves away from the shielding portion 36 and the insertion port 3 begins to open. Then, when the door 34 moves to the raised position and the auxiliary door 33 tilts backward, the insertion port 3 becomes fully open as shown in FIG. 6(c). As shown in FIG. 6(c), the notch 35 is at the same height as the safety confirmation member 6, and the safety confirmation member 6 is exposed to the rear. That is, the safety confirmation member 6 can perform its safety confirmation function via the notch 35.

In the embodiment shown in FIG. 6, the lifting and lowering distance (reciprocating movement distance) of the door 34 is shorter than the lifting and lowering movement distance of the door 4 shown in FIG. 2.

In Figs. 6(a) to 6(c), an example is shown in which the auxiliary door 33 is provided with a shielding portion 36 that shields the notch 35 of the door 34, but instead of the shielding portion 36, a sliding, rotating, or removable shielding plate (not shown) may be provided on the door 34. That is, when the door 34 closes the insertion port 3, the shielding plate (not shown) shields the notch 35, and when the door 34 opens the insertion port 3, the shielding plate (not shown) retracts from the notch 35, so that the shielding plate can be configured to be linked to the opening and closing of the door 34.

Figure 7 shows the rear of a refuse collection vehicle 41 according to another embodiment different from those of Figures 2, 4, and 6. In the refuse collection vehicle 41, the structure of the door 44 differs from the structure of the door 34 of the refuse collection vehicle 31 in Figure 6. The rest of the structure is the same as the door 34 in Figure 6.

As shown in Figs. 7(b) and 7(c), the door 44 has a through hole 45. The through hole 45 is provided in the center of the door 44, near the bottom edge 44b. In other words, the through hole 45 is provided in the door 44 at a position similar to the notch 35 of the door 34 in Fig. 6.

As shown in FIG. 7(a), when the door 44 is in the lowered position, the through hole 45 is shielded by the shielding portion 36 of the auxiliary door 33. Also, as shown in FIG. 7(c), when the door 44 is in the raised position, the through hole 45 is at the same height as the safety confirmation member 6. Therefore, the door 44 does not obstruct the safety confirmation member 6, and the safety confirmation member 6 can perform its safety confirmation function well.

In Figs. 7(a) to 7(c), an example is shown in which the auxiliary door 33 is provided with a shielding portion 36 that shields the through hole 45 of the door 44, but instead of the shielding portion 36, a sliding, rotating, or removable shielding plate (not shown) may be provided on the door 44. That is, when the door 44 closes the insertion port 3, the shielding plate (not shown) shields the through hole 45, and when the door 44 opens the insertion port 3, the shielding plate (not shown) retracts from the through hole 45, so that the shielding plate can be configured to be linked to the opening and closing of the door 44.

In Figures 1 to 7, guide rails 7a, 7b are provided on both sides of the insertion opening 3, and an example is shown in which the doors 4, 24, 34, 44 move along the guide rails 7a, 7b, but the guide rails 7a, 7b may be omitted, and the doors 4, 24, 34, 44 may be connected at multiple points to the shipping box 2 by a link mechanism (parallel link) not shown. In other words, the link mechanism allows the doors 4, 24, 34, 44 to move to the upper position while avoiding the safety confirmation member 6 backwards when in the raised position, and close the insertion opening 3 when in the lowered position.

In the above embodiment, a surveillance camera is exemplified as the safety confirmation member 6, but instead of a surveillance camera, a device that can confirm surrounding vehicles, objects, people, etc. from the refuse collection truck (e.g., an infrared sensor, ultrasonic sensor, etc.) may be used.

The safety confirmation member 6 may also be something like a signal light that allows surrounding vehicles and people to know that the refuse collection vehicle is stopped or in operation (e.g., an electronic bulletin board, display, etc.).

The doors 4, 24, 34, and 44 in each of the above embodiments may be of a manual opening and closing type without a drive device. The present invention can also be effectively implemented in a garbage collection vehicle in which auxiliary springs are provided on the arms 11a and 11b to assist in the opening and closing operation of the doors 4, 24, 34, and 44.

1, 21, 31, 41 Refuse collection vehicle 1a Vehicle body 2 Cargo box 2a Storage section 3 Drop-in opening 3a Lower end of drop-in opening 4, 24, 34, 44 Door 5 Fixed wall 6 Safety confirmation members 7a, 7b Guide rails 10a, 10b Engagement protrusions (lower part of door)
15a, 15b Protruding engagement portion 35 Notch portion (recessed portion)
36 Shielding portion (shielding member)
45 Through hole

Claims (5)

A garbage collection vehicle having a container mounted on the vehicle body,
The packing box includes a storage section for storing trash, an input port for inputting trash into the storage section, and a door for opening and closing the input port,
The insertion port is provided on the rear side of the vehicle body in the packing box,
A fixed wall facing the rear of the vehicle body is provided above the insertion opening of the packing box,
The fixed wall is provided with a safety confirmation member that is visible from the rear of the vehicle body,
The door is movable rearwardly of the safety confirmation member and upwardly relative to the safety confirmation member,
When the door closes the input port, and when the door opens the input port,
A refuse collection vehicle characterized in that the door is not present behind the safety confirmation member . 2. The refuse collection vehicle according to claim 1 , further comprising:
A guide rail is provided on both sides of the insertion port,
The guide rail extends from at least a height position of a lower end of the insertion port to at least a position above the safety confirmation member,
The guide rail is constantly engaged with the bottom of the door,
A refuse collection vehicle, wherein the door is movable behind the safety confirmation member. 2. The refuse collection vehicle according to claim 1 , further comprising:
The door is provided with a protruding engagement portion that protrudes downward,
A guide rail is provided on both sides of the input port,
the guide rail extends from a height position that is lower than a height position of a lower end of the insertion opening by at least a protruding length of the protruding engagement portion from the door to at least a height position of a lower end of the fixed wall,
The protruding engagement portion is constantly engaged with the guide rail,
A refuse collection vehicle, wherein the door is movable behind the safety confirmation member. 2. The refuse collection vehicle according to claim 1 , further comprising:
The lower part of the door is provided with a recessed portion recessed in the height direction or a through hole,
The door can be raised and lowered behind the safety confirmation member to open and close the drop-in opening, and when the door opens the drop-in opening, a recess or through hole in the door is at the same height as the safety confirmation member. The refuse collection vehicle according to claim 4, characterized in that the lower end of the inlet has a shielding member that shields the recessed portion of the door or the through hole.

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