JP4644579B2 - Garbage truck - Google Patents

Description

  The present invention relates to a garbage collection vehicle capable of loading garbage.

As a conventionally known dust collection vehicle, a dust storage box having an open rear end, a dust input box connected to the rear side of the dust storage box, and a dust input box There is a thing provided with a loading device which performs operation which loads the dust in the dust storage box. The dust input box has an opening that opens to the dust storage box side, and the loading device performs an operation of loading the dust input to the dust storage box into the dust storage box through the opening. .
Further, the dust box can be rotated upward with its upper part as a center, thereby enabling opening / closing operation with respect to the dust container. Then, in the open state in which the dust input box is rotated upward, the dust stored in the dust storage box is pushed rearward of the vehicle by the discharge plate provided in the dust storage box and discharged to the outside.
In order to prevent sewage generated from the dust storage box and dust in the dust input box from leaking outside between the dust storage box and the dust input box in the closed state where the dust input box is at the bottom, A seal member is provided between the mating surfaces (opposing surfaces). For example, a garbage collection vehicle described in Patent Document 1 includes a lower seal extending in the horizontal direction on the front surface which is a mating surface of a dust input box with respect to a dust storage box, and both ends of the lower seal. And side seals extending upward. The side seal is provided not only on the entire height of the mating surfaces but on a part of the lower side.

Japanese Utility Model Publication 1-1607 (Fig. 4)

In the garbage collection vehicle described in Patent Document 1, a sealing member is provided only for a lower part and a part of a side part in a mating surface with a dust storage box in a dust throwing box, and a sealing member is provided for an upper part of the mating surface. Does not exist. Therefore, when sewage accumulates on the lower seal member, the sewage rises along the side seal due to capillary action, and may leak to the outside beyond the upper end of the side seal.
Then, in view of such a conventional problem, an object of the present invention is to provide a garbage truck that can prevent sewage from leaking between a dust container and a dust container.

The refuse collection vehicle of the present invention has a dust storage box whose rear end is open, and an opening that is connected to the rear side of the dust storage box and is open to the dust storage box side. A dust input box that is formed, and a loading device that performs an operation of loading the dust input to the dust input box into the dust storage box through the opening , and the dust input box is a part of the dust storage box. In a garbage collection vehicle that opens and closes with respect to the dust storage box by rotating up and down around the rotation center provided in the upper part , a seal member is provided between the dust storage box and the dust input box , The upper portion of the seal member is disposed inside the dust container box with the dust container box closed with respect to the dust container box .
According to this configuration, between the dust container box and dust turned boxes, the seal member is interposed along the entire circumference surrounding the opening of the dust-up box, this seal member over the entire periphery surrounding the opening Thus, it is possible to prevent leakage of sewage generated from the dust thrown into and stored in the interior, thereby preventing leakage of sewage from between the dust storage box and the dust input box to the outside. That is, since the seal member is provided over the entire circumference from the lower part to the both sides and further to the upper part, even if the sewage collected on the lower seal rises through the side seal member by capillary action, It can prevent leaking outside.

In the refuse collection vehicle, the upper portion of the seal member is provided on an upper portion of the dust input box, and prevents the dust stored in the dust storage box from moving toward the dust input box. It is preferable that it is attached to.
According to this configuration, since the shielding plate is used as a member for attaching the seal member, it is not necessary to separately provide a member for attaching the seal member. For this reason, the number of parts can be reduced and the structure can be simplified.

Further, in the refuse collection vehicle, a seal member is attached to the dust input box side, and at least a part of an inner peripheral surface of a rear end portion of the dust storage box is a seal surface in contact with the seal member. Is preferred.
According to this structure, the member for making it contact with a sealing member separately becomes unnecessary about the part used as the sealing surface which a sealing member contacts among the internal peripheral surfaces of the rear-end part of a dust storage box. Thereby, the number of parts can be reduced and the structure can be simplified.

  According to the refuse collection vehicle of the present invention, even if the sewage collected on the lower seal member rises through the side seal member due to capillary action, the seal member is provided over the entire circumference. Can be prevented from leaking outside.

FIG. 1 is a side view showing an embodiment of a garbage truck according to the present invention. This garbage collection vehicle is a press type that has a compression stroke in the dust loading operation, and is configured to push out the dust.
In FIG. 1, the garbage collection vehicle 1 includes a dust storage box 2 whose rear end is open, and a dust input box 3 connected to the rear side thereof. At the rear part of the dust input box 3, there is provided an input port 3a through which dust is input, and a lid 3b that is opened and closed by sliding up and down is provided corresponding to the input port 3a. In addition, an opening 3d that is open to the dust storage box 2 side is formed in the lower front portion of the dust supply box 3 in order to load the dust into the dust storage box 2. The dust input box 3 can be rotated around a fulcrum P provided at the upper portion thereof, thereby enabling an opening / closing operation with respect to the dust storage box 2. The dust container 3 closes the dust container 2 at the position indicated by the solid line in the figure, opens the rear end of the dust container box 2 at the position rotated upward indicated by the two-dot chain line in the figure, and moves the dust behind Can be discharged.

A loading device 50 is provided in the garbage throwing box 3. The loading device 50 includes a slider 5 and a pushing plate 8 that is rotatably attached to a lower end portion of the slider 5 via a pin 7. The slider 5 can move along the guide rails 4 provided on the left and right side walls 3 c of the dust box 3. Push cylinders 9 are attached between the side surface member 5 a of the slider 5 and the side wall 3 c of the dust input box 3 on both the left and right sides in the dust input box 3. A press cylinder 12 is attached between the side member 8 a of the pushing plate 8 and the side member 5 a of the slider 5.
Therefore, from the state of FIG. 1, the pressing plate 8 is rotated counterclockwise by the contraction operation of the press cylinder 12 to reverse the pressing plate 8. Next, the slider 5 and the pushing plate 8 are both lowered obliquely backward by the contraction operation of the push cylinder 9, and the dust thrown in from the charging port 3a is compressed (primary compression). The pushing plate 8 is rotated clockwise by the extension operation of the press cylinder 12 to perform secondary compression. Then, the slider 5 and the pushing plate 8 are lifted obliquely forward by the extension operation of the push cylinder 9, and the compressed dust is pushed into the dust container 2 side (shown by the solid line from the state shown by the two-dot chain line in FIG. 1). Step to move to the state). As described above, the loading device 50 sequentially performs the reversing process, the primary compression process, the secondary compression process, and the pushing process as one cycle, and the dust put into the dust throwing box 3 is put into the dust containing box 2 through the opening 3d. Loading operation can be performed.

  A discharge plate 38 that is movable in the vehicle front-rear direction is provided inside the refuse storage box 2. One end portion 40 a of the telescopic discharge cylinder 40 is connected to the discharge plate 38, and the other end portion 40 b is connected to the end portion of the refuse storage box 2 in the vehicle front direction. The discharge plate 38 can be moved in a range from the position indicated by the solid line to the position indicated by the two-dot chain line by the expansion and contraction of the discharge cylinder 40. When the dust is empty, the discharge plate 38 is in a position indicated by a solid line, and a space S for loading dust in the rear direction of the vehicle from the discharge plate 38 is secured. The discharge plate 38 can compress the dust loaded by the loading device 50 between the push plate 8. The discharge device 51 having the discharge plate 38 expands the space S by intermittently moving the discharge plate 38 in the front direction of the vehicle to gradually increase the amount of dust stored in the dust storage box 2, and By moving the discharge plate 38 in the vehicle rearward direction, the dust stored in the dust storage box 2 can be discharged rearward.

2, 3, and 4 are a perspective view, a front view, and a side view, as seen from the front, of the dust box 3, respectively. In FIG. 2, members on the rear side of the dust box 3 are omitted. The front surface of the dust input box 3 has a shielding plate 16 at the upper part and a front wall member 20 at an intermediate part below it, and an opening 3d is formed below the front wall member 20. The shielding plate 16 and the front wall member 20 prevent the dust contained in the dust container 2 from moving to the dust container 3 side. In particular, the shielding plate 16 prevents the dust loaded in the dust container 2 from overflowing to the upper part of the dust container 3.
A seal member 15 is provided between the dust box 3 and the dust container 2 (see FIG. 1). In the embodiment shown in FIGS. 2 to 4, a seal member 15 is provided at the front portion of the garbage throwing box 3 in the vehicle front-rear direction. And the sealing surface (not shown) which this seal member 15 contacts is formed in the rear-end part of the dust storage box 2. As shown in FIG.

  The seal member 15 is provided over the entire circumference surrounding the opening 3d formed on the front surface side of the dust box 3. More specifically, in a state in which the dust container 3 closes the dust container 2 (the dust container 3 is in the posture shown in FIG. 4), the seal member 15 is disposed on the front side of the dust container 3 from the opening 3d. The lower seal 21 is attached at a lower position, the side seals 22 and 23 are attached at the left and right side positions of the vehicle than the opening 3d, and the upper seal is attached at a position higher than the opening 3d. The seal member 15 is formed in an annular shape by the lower seal 21, the side seals 22 and 23, and the upper seal 24.

More specifically, the lower seal 21 extends in the left-right direction of the vehicle, and the side seals 22, 23 are continuous with the left and right ends of the lower seal 21, respectively. In a state where the dust container 3 closes the dust container 2, the side seals 22, 23 extend upward (slanting forward upward) from the left and right ends of the lower seal 21. The side seals 22 and 23 extend to above the opening 3d. The upper seal 24 has an upper seal portion 24a that extends in the left-right direction, and horizontal seal portions 24b and 24c that are continuous with the left and right ends of the upper seal portion 24a, respectively. The lateral seal portions 24b and 24c extend downward (backward obliquely downward) from both ends of the upper seal portion 24a. The lower ends of the lateral seal portions 24b and 24c are in close contact with the upper ends of the side seals 22 and 23, respectively, and are sealed between each other.
That is, the lower seal 21 and the left and right side seals 22 and 23 form a continuous U-shaped seal portion, and the seal member 15 is formed by the seal portion and the U-shaped upper seal 24. It is formed in one ring.

FIG. 5 is a sectional view showing the lower seal 21 and its periphery. In addition, the refuse storage box 2 is shown with the dashed-two dotted line. The lower seal 21 has a main body portion 21a that has a substantially circular cross section and is in contact with the seal surface 31 on the dust container 2 side, and an attachment portion 21b that is continuously fixed to the dust input box 3 side. The main body portion 21a has a plurality of space portions formed therein.
FIG. 6 is a sectional view showing the side seal 22 and its peripheral portion. In addition, the refuse storage box 2 is shown with the dashed-two dotted line. The side seal 22 has the same cross section as the lower seal 21, and has a main body 22 a that is substantially circular in cross section and in contact with the seal surface 32 on the dust storage box 2 side. The main body portion 22a has a plurality of space portions formed therein. The side seal 23 on the side opposite to the side seal 22 is opposite to that shown in FIG.
FIG. 7 is a cross-sectional view showing the upper seal 24 and its periphery. In addition, the refuse storage box 2 is shown with the dashed-two dotted line. The upper seal 24 is different in cross section from the lower seal 21 and the side seals 22 and 23, and has a circular main body portion 24d and a U-shaped cross section attachment portion 24e. And this main-body part 24d contacts with the sealing surface 33 in the refuse storage box 2 side.

  A structure for attaching the seal member 15 to the dust box 3 will be described. 5 and 6, the lower seal 21 and the side seal 22 are fixed by mounting brackets 26 and 27 fixed to the front end surfaces 18 and 19 of the dust box 3. The lower seal 21 and the side seal 22 are fixed so as to protrude from the front end surfaces 18 and 19 of the dust box 3 to the vehicle front side. Contact portions of the lower seal 21 and the side seal 22 with respect to the seal surfaces 31 and 32 on the dust container 2 side are portions a on the vehicle front side of the main body portions 21a and 22a. The front end surfaces 18 and 19 of the dust container 3 to which the lower seal 21 and the side seal 22 are attached are surfaces facing the rear end surfaces 28 and 29 of the dust container 2. The rear end surfaces 28 and 29 are formed with seal surfaces 31 and 32 where the lower seal 21 and the side seal 22 are in contact with each other.

8 and 9 are a top view and a front view of the upper seal 24 and half of its mounting portion as seen from above.
FIG. 10 is a side view showing the upper part of the seal member 15. In FIG. 10, the upper seal 24 and the side seal 22 are indicated by hatching.
7 to 10, an upper seal portion 24 a that is an upper portion of the annular seal member 15 is attached to the shielding plate 16 provided in the dust box 3 via an attachment member (stay) 25. . Thereby, the shielding plate 16 closes the upper part of the dust input box 3 to prevent the dust stored in the dust storage box 2 from overflowing to the dust input box 3 side and to attach the upper seal portion 24a. It is also used as a member. Since the shielding plate 16 is also used as a member for fixing the upper seal portion 24a, the number of parts and the structure can be simplified, and the manufacturing cost can be reduced.

  The mounting portion of the upper seal 24 will be described in detail. A plate-like mounting member 25 is attached to the shielding plate 16 in the width direction, and the mounting member 25 projects from the shielding plate 16 toward the front of the vehicle. Is provided. As shown in FIG. 9, the mounting plate 25 has a portion corresponding to the upper seal portion 24 a of the upper seal 24 and a portion corresponding to the horizontal seal portion 24 b (24 c) of the upper seal 24. And the attachment part 24e (refer FIG. 7) of the upper seal part 24a and the horizontal seal part 24b (24c) is being fixed to the front-end | tip part which is the vehicle front side of this attachment member 25. FIG.

  A contact portion of the upper seal 24 with respect to the seal surface 33 on the dust container 2 side is a portion b on the outer peripheral side of the upper seal 24. Therefore, as shown in FIG. 10, the upper seal portion 24 a contacts the upper surface of the inner peripheral surface 17 of the rear end portion of the dust container 2, and the lateral seal portion 24 b is the rear end portion of the dust container box 2. It contacts the side surface of the inner peripheral surface 17. In addition, the side seals 22 and 23 side portion of the horizontal seal portion 24b, that is, a portion in the vicinity of the close contact portion with the upper ends of the side seals 22 and 23, is in contact with the rear end surface of the dust container 2 although not shown. .

As shown in FIGS. 5 to 10, the lower seal 21 and the side seal 22 have the front part of the vehicle as the part a that contacts the seal surfaces 31 and 32 on the dust container 2 side, and the upper seal 24 is The portion on the vehicle outer side is a portion b that contacts the seal surface 33. Therefore, as shown in FIG. 11 which is a front view of the dust container 2 from the rear, the upper part of the inner peripheral surface 17 of the rear end portion of the dust container 2 and the side continuous with the upper part. The upper part (inner peripheral surface 17 indicated by an arrow) of the part is a seal surface 33 that comes into contact with the upper seal 24. And the part c shown by the cross hatch of FIG. 11 is made into the sealing surfaces 31 and 32 which contact the lower seal 21 and the side seals 22 and 23. FIG.
As described above, since at least a part of the inner peripheral surface 17 of the rear end portion of the dust container 2 is the seal surface 33 that comes into contact with the seal member 15, the portion that is the seal surface 33 is separately provided. A member for making contact with the seal member 15 becomes unnecessary. Therefore, the number of parts can be reduced and the structure can be simplified, and the manufacturing cost can be reduced.

  According to the above embodiment, the seal member 15 is interposed between the dust storage box 2 and the dust input box 3 over the entire circumference surrounding the opening 3d of the dust input box 3, so that the seal member 15 By this, it is possible to prevent leakage of sewage generated from the dust thrown in and accommodated inside the entire circumference surrounding the opening 3d. It is possible to prevent sewage from leaking. That is, since the seal member 15 is formed in an annular shape by the lower seal 21, the side seals 22, 23, and the upper seal 24, the sewage accumulated on the lower seal 21 is caused by capillary action to cause the lower seal 21 and the side seal. Even if it rises through 22 and 23, it can prevent that sewage leaks outside. Moreover, it is possible to prevent odor due to dust from leaking between the dust container box and the dust box.

Furthermore, although the dust collecting vehicle loading device has been described as a press type (FIG. 1) for the present invention, the dust collecting vehicle according to the present invention is not illustrated but includes a rotating plate type loading device having a rotating plate and a pushing plate. It may be provided.
Moreover, in the said embodiment, although the cyclic | annular sealing member 15 was comprised by two upper and lower members, as another embodiment, it comprises the sealing member 15 by a single member, and is comprised so that the perimeter may be enclosed by this. May be. Moreover, although the said sealing member 15 was demonstrated as what was attached to the dust input box 3 side, as another embodiment, although not shown in figure, the sealing member 15 shall be attached to the dust storage box 2 side. .

It is a side view which shows one Embodiment of the refuse collection vehicle of this invention. It is a perspective view of a dust box. It is a front view of a dust box. It is a side view of a dust box. It is sectional drawing of a lower seal and its peripheral part. It is sectional drawing of a side part seal | sticker and its peripheral part. It is sectional drawing of an upper seal and its peripheral part. It is the figure which looked at the upper seal member and half of the attachment part from the upper part. It is a front view which shows a half of an upper seal member and its attachment part. It is a side view which shows the upper part of a sealing member. It is the front view which looked at the refuse storage box from back.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Dust collection truck 2 Dust storage box 3 Dust input box 3a Opening part 15 Seal member 16 Shielding plate 17 Inner peripheral surface 50 Loading device

Claims (3)

A refuse storage box with an open rear end;
A dust throwing box provided to be connected to the rear side of the dust container and having an opening opened to the dust container,
A loading device that performs an operation of loading the dust thrown into the dust throwing box into the dust containing box through the opening ,
In the garbage collection vehicle that opens and closes with respect to the dust storage box by rotating up and down around the rotation center provided in the upper part of the dust storage box ,
Between the dust container box and the dust box, a seal member is interposed over the entire circumference surrounding the opening ,
The dust collecting vehicle , wherein the upper portion of the seal member is disposed inside the dust container box in a state where the dust container box is closed with respect to the dust container box .   The upper part of the sealing member is attached to a shielding plate that is provided at an upper part of the dust container box and prevents the dust housed in the dust container box from moving toward the dust container box. The garbage truck described in 1. The seal member is attached to the dust input box side,
The refuse collection vehicle according to claim 1 or 2, wherein at least a part of an inner peripheral surface of a rear end portion of the dust container is a seal surface in contact with the seal member.

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