JP2923836B2 - Tank storage hose box - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage box main body which is provided along a longitudinal direction of a vehicle body on a side of a tank mounted on the vehicle body and stores a hose therein, and covers a side opening of the storage box main body. The present invention relates to a tank trolley hose storage box including a door and pivotal means for pivotally supporting the door to the storage box body.

[0002]

2. Description of the Related Art The hose storage box of such a tank truck is
JP-A-59-40141, JP-A-59-1454.
No. 31, JP-A-57-204897.

[0003]

By the way, in the conventional hose storage box of the tank lorry, the door for opening and closing the side opening of the storage box main body is pivotally supported by the storage box main body via a bolted hinge. However, it is troublesome to attach and detach a large number of bolts when replacing the door, and there is a problem that a lot of time is spent for the work. Further, since the bolt for fixing the hinge projects into the main body of the storage box, the tip of the bolt may damage the hose.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and the hose storage box door is pivotally supported without using bolted hinges to facilitate replacement of the door and prevent damage to the hose. The purpose is to do.

[0005]

In order to achieve the above object, the invention described in claim 1 is provided on a side portion of a tank mounted on a vehicle body along a longitudinal direction of the vehicle body and stores a hose therein. a storage box body for a door covering the side opening of the storage box main body, the hose storage boxes of the tank truck with a pivot means for rotatably supported this door storage box body, door the slidably connected to the vehicle body longitudinal direction with respect to the storage box body by a pivot means, before and after at least one at least one said door before and after opening of the storage box body
Are covered with a removable end cover on the storage box body.
It is characterized by having.

According to a second aspect of the present invention, in addition to the configuration of the first aspect, the pivoting means includes a connecting member pivotally supported by both the door and the storage box body. The connecting member is slidable in the vehicle longitudinal direction with respect to both the door and the storage box main body.

According to a third aspect of the present invention, in addition to the configuration of the first aspect, the door or the storage box main body is made of an extruded material.

According to a fourth aspect of the present invention, in addition to the configuration of the second aspect, the door, the storage box main body, or the connecting member is made of an extruded material.

[0009]

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

1 to 7 show a first embodiment of the present invention. FIG. 1 is an overall side view of a tank lorry, FIG. 2 is an enlarged view of a part of FIG. 1, and FIG. 3 is 3-3 of FIG. 4 is an enlarged view of a part 4 in FIG. 3, FIG. 5 is an enlarged view in the direction of arrow 5 in FIG. 2, FIG. 6 is a sectional view taken along line 6-6 in FIG. 5, and FIG. is there.

As shown in FIG. 1, the tank lorry T has a cabin 3 and a tank 4 at the front and rear of a chassis 2 supported by a plurality of wheels 1. A hose storage box 6 is provided along a lower side surface of the tank 4 in order to store the hoses 5 used for discharging the liquid in the tank 4 (see FIG. 3) in a predetermined length. The hose storage box 6 is divided into three parts in the front-rear direction of the vehicle body, and three doors 7 each opening to the side of the vehicle body,
7,7. Each of the three doors 7, 7, 7 is made of an extruded aluminum material having a constant cross section along the longitudinal direction of the vehicle body and has substantially the same structure. The length in the vehicle front-rear direction is shorter than that of the door 7 on the side.

Next, the structure of the hose storage box 6 will be described with reference to FIGS.

A plurality of brackets 8 are welded to appropriate locations on the outer wall of the tank 4, and a storage box body 9 made of extruded aluminum is fixed to the brackets 8 with bolts 10. The storage box main body 9 has a substantially U-shaped cross section that is constant along the front-rear direction of the vehicle body, and an opening that opens toward the outside of the vehicle body is openably and closably covered by doors 7.

As is apparent from FIG. 4, a pivoting mechanism 11 for pivoting the lower edge of the door 7 to the lower edge of the storage box body 9 is a connecting member made of an extruded aluminum material having a constant cross section along the longitudinal direction of the vehicle body. The lower edge of the door 7 is pivotally supported on the lower edge of the storage box main body 9 via the connecting member 12.

That is, the sectional shape of the lower edge of the door 7 is
Comprising _1, the partial arc-shaped outward guide surfaces 7 _2, and inward guide surface 7 ₃ around the bearing portion _71. Between the bearing portion ₇₁ and the outward guide surface 7 ₂ first stop surface 7 ₄ are formed, also bearing portion ₇₁ and the inwardly facing guide surface 7 ₃
The second stopper surface 7 ₅ is formed between the.

The sectional shape of the lower edge of the storage box body 9 is vertically symmetrical with respect to the horizontal line L with respect to the sectional shape of the lower edge of the door 7, and includes a bearing portion 9 ₁ , an outward guide surface 9 ₂ , and an inward guide. surface 9 _3, the first stopper surface 9 ₄ and the second stopper surface 9 ₅
Is provided.

The cross-sectional shape of the connecting member 12 is also vertically symmetrical with respect to the line L, and the two shaft portions 12 ₁ , 1 rotatably fitted to the door 7 and the bearing portions 7 ₁ , 9 ₁ of the storage box body 9.
2 ₁ , the door 7 and the outward guide surface 7 _{2 of} the storage box body 9,
9 _Two partial arc-shaped inward guide surfaces 12 which are in sliding contact with 2
_2, 12 and _2, the inward guide surface 7 _3, 9 two portions in sliding contact with the ₃ arcuate outward guide surfaces 12 _3, 12 ₃ of the door 7 and storage boxes body 9, the door 7 and store box body 9, two first stopper surfaces 1 that can contact the first stopper surfaces 7 ₄ , 9 ₄
2 _4, 12 _4, a second stop surface 7 of the door 7 and the storage box body 9 _5, 9 ₅ can abut a two second stopper surface 1
And a 2 _5, 12 _5.

As is apparent from FIGS. 2 and 3, each door 7
The upper edge is locked to the upper edge of the storage box main body 9 by two lock mechanisms 13, 13, whereby the door 7 is held in the closed position. Locking mechanism 13 includes a bracket 14 for covering the rear surface of the circular hole 7 ₆ which opened the door 7 is vertically slidably supported on the rear surface of the bracket 14 by a spring 15
And a handle 18 pivotally supported by pins 17 on the surface of the bracket 14. The locking portion 16 ₁ provided at the upper end of the locking member 16 is
The locked portion 9 ₆ guide portion 16 ₂ which is capable of abutting inclined is formed on the rear surface of the upper engageable in locked portion 9 ₆ depending from the edge, and the locking member 16 of the . Also, handle 1
The upper end of the 8 and the pressing portion 18 ₁ are provided, the pressed portion 16 ₃ is provided in the locking member 16 abuts on the pressing portion 18 _1.

As is apparent from FIGS. 5 and 6, the front and rear openings of the storage box main body 9 and the front and rear of the door 7 are covered with end covers 19 and 19, respectively. Each end cover 19 is provided with a flange 19 ₁ projecting inward and fitting to the inner surface of the storage box main body 9. Two welding nuts 20, 20 provided on the inner surface of the flange 19 ₁ are attached to the storage case main body. The end cover 19 is detachably fixed to the storage box main body 9 by screwing the two bolts 21 and 21 penetrating the flange 9 and the flange 19 ₁ .

Next, the operation of the embodiment of the present invention having the above configuration will be described.

When the handle 18 of the lock mechanism 13 is swung about the pin 17 in the direction of the arrow a in FIG. 3 to put the hoses 5 in and out of the storage box body 9 of the hose storage box 6, the handle 1
The locking member 16 is lowered against the spring 15 by the pressing portion 18 ₁ which is provided at the upper end of the 8 presses the pressed portion 16 _3, the engaging portion 16 ₁ is locked portion of the storage box main body 9 9 _Leave from ₆ . Therefore, when the handles 18, 18 are pulled toward the user, the door 7 turns downward around the pivot mechanism 11, and the side opening of the storage box main body 9 is opened.

[0022] pressed into the storage box body 9 is rotated upwardly to close the door 7, engaged with the guide portion 16 ₂ 9 ₆
The locking member 16 pressed against the spring 15 descends against the spring 15. As a result, the engaging portion 16 ₁ gets over the locked portion 9 ₆ engages the rear of該被locking portion 9 _6, thereby the door 7
Is locked in the closed position.

When each door 7 is in the closed position shown in FIGS. 3 and 4, the door 7 and the second stopper surface 7
_5, 9 ₅ is in contact with the two second stop surface 12 _5, 12 _5, respectively connecting member 12. Door 7 from this state
When a is rotated in the arrow b direction in FIG. 3, it is the outward guide surfaces 7 _2, and inward guide surface 7 _3, respectively connecting member 1
2 upper inward guide surface 12 ₂ and outward guide surface 1
2 by sliding along the _3, door 7 for about 100 ° to the position shown in FIG. 7 (a) the first stopper surface 7 ₄ that abuts against the first stopper surface 12 ₄ of the connecting member 12 times Move.

[0024] is further rotated to the door 7 in the direction of the arrow b, in turn, is outward guide surfaces 12 ₃ and inward guide surface 12 ₂ of the lower connecting member 12, the outward guide surface of each storage box body 9 by sliding along the 9 ₂ and inward guide surface 9 _3, connecting member 12 is the first stopper surface 12 Part ₄
There can be pivoted over about 100 ° to a position to abut the first stop surface 9 ₄ of the storage box body 9. Therefore, the door 7 can be opened and closed within a range of 0 ° to about 200 ° with respect to the storage box main body 9. In addition, since the door 7 in the open position hangs vertically downward due to gravity, as shown in FIG. 7B, the rotation angle of the door 7 in the free state is 180 ° from the closed position.

To remove the door 7 from the storage box main body 9 to replace the door 7, first, the bolts 21 are loosened and the front and rear end covers 19, 19 are separated from the storage box main body 9. In this state, the door 7 can be removed from the storage box main body 9 by pulling the door 7 forward or backward with respect to the connecting member 12. If the connecting member 12 needs to be replaced, the connecting member 12 may be pulled out to the front or rear of the vehicle body with respect to the storage box main body 9 integrally with the door 7 or after removing the door 7.

The attachment of the new doors 7 and the connecting members 12 can be performed in the reverse order of the above-described removal. If there is no space for pulling out the doors 7 in front of the hose storage box 6, all the doors 7 may be pulled out rearward.

As described above, the doors 7 of the hose storage box 6.
Are pivotally supported without using bolted hinges, and only need to be pulled out from the storage box body 9 in the front-rear direction at the time of replacement, so workability is extremely good. Moreover, the pivot mechanism 11
Does not have any protrusions such as bolts, so there is no risk of damaging the hoses 5. In addition, since the pivot mechanism 11 rotates the doors 7 in two steps via the connecting member 12, a sufficient rotation angle of the doors 7 is ensured so that the hoses 5 can be easily taken in and out. Can be done.

Next, based on FIG.
An embodiment will be described.

The pivot mechanism 11 of the second embodiment includes a connecting member 12
The door 7 made of an extruded aluminum material is directly pivoted to the housing 9 made of an extruded aluminum material without using the above. Door 7
Shank 7 ₈ the lower edge of the outer-facing guide surface 7 _9, first a stopper surface 7 ₁₀ and the second stopper surface 7 ₁₁ are provided, the shaft portion 7 is the lower edge of the storage box body 9 ₈ The bearing part 9 with which
_7, the outward guide surface 7 ₉ inward guide surface 9 ₈ sliding contact, said first stop surface 7 ₁₀ first which is contactable stopper surfaces 9 ₁₀ and the second stopper surface 7 ₁₁ is contactable Second
Stopper surface 9 ₁₁ is provided.

Thus, the door 7 is connected to the second stopper surfaces 7 ₁₁ , 9 ₁₁
The first stopper surfaces 7 ₁₀ , 9 ₁₀
It is rotatable over a range of approximately 120 ° to an open position (shown by a dashed line) where they come into contact with each other. In this embodiment, the pivot angle of the door 7 is smaller than in the first embodiment, but the number of components is reduced because the connecting member 12 is not required. And door 7
Can be easily performed by sliding the door 7 in the front-rear direction with respect to the storage box main body 9.

Next, based on FIG.
An embodiment will be described.

The pivoting mechanism 11 of the third embodiment also includes a connecting member 12
The door 7 made of an extruded aluminum material is directly pivoted to the housing 9 made of an extruded aluminum material without using the above, and has a simpler structure than that of the second embodiment. That is,
The lower edge of the door 7 and the outward guide surfaces 7 ₁₂ are provided,
The lower edge of the storage box main body 9 inward guide surface 9 _12, wherein the outward guide surfaces 7 ₁₂ is fitted is provided. As the door 7 from falling off from the storage box body 9, the central angle of the inwardly facing guide surface 9 ₁₂ must be greater than 90 °.

Thus, the door 7 is connected to the second stopper surfaces 7 ₁₄ and 9 ₁₄
The first stopper surfaces 7 ₁₃ , 9 ₁₃
It is rotatable over a range of approximately 100 ° to an open position (indicated by a dashed line) where they contact each other. Also in this embodiment, the door 7 is slid in the front-rear direction with respect to the
The replacement can be easily performed. Incidentally, the notch 7 ₁₅ provided on the door 7 is lightening for weight reduction.

Although the embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various design changes can be made.

For example, in the embodiment, the doors 7 are divided into three pieces, but the number of divided pieces can be appropriately changed. Also,
In the embodiment, the doors 7,..., The storage box main body 9, and the connecting members 12 are all made of extruded aluminum, but can be changed to other materials or manufacturing methods. Further, in the first embodiment, the pivot mechanism 11 does not necessarily have to be vertically symmetrical with respect to the line L. The pivot angle between the doors 7 and the connecting members 12, the connecting members 12 and the storage box body 9 may be different from the rotation angle.

[0036]

As described above, according to the first aspect of the present invention, the door covering the side opening of the storage box main body slides in the longitudinal direction of the vehicle body with respect to the storage box main body by the pivoting means. And the front and rear openings of the storage box body are small.
At least one of them and at least one of the front and rear of the door
Are covered by freely end cover detachably attached to the main body, just at the door removing the <br/> end cover can be easily detached by sliding in the longitudinal direction. This makes it easier to replace the door than when the door is pivotally supported by bolted hinges, and prevents the stored hose from being damaged by the bolt.

According to the second aspect of the present invention,
Since the connecting member pivotally supported by both the door and the storage box main body is slidable in the longitudinal direction of the vehicle body with respect to both the door and the storage box main body, the convenience of attaching and detaching the door is ensured. However, it is possible to sufficiently secure the pivot angle of the door and easily put the hose in and out.

According to the third or fourth aspect of the present invention, since the door, the storage box main body, or the connecting member is made of an extruded material, it can be easily manufactured.

[Brief description of the drawings]

FIG. 1 is an overall side view of a tank truck.

FIG. 2 is an enlarged view of a part of FIG. 1;

FIG. 3 is an enlarged sectional view taken along line 3-3 in FIG. 2;

FIG. 4 is an enlarged view of a part of FIG. 3;

5 is an enlarged view in the direction of arrow 5 in FIG. 2;

FIG. 6 is a sectional view taken along line 6-6 in FIG. 5;

FIG. 7 is an explanatory diagram of an operation.

FIG. 8 shows a view corresponding to FIG. 4 according to the second embodiment.

FIG. 9 is a view corresponding to FIG. 4 according to a third embodiment.

[Explanation of symbols]

 4 Tank 5 Hose 7 Door 9 Storage Box Main Body 11 Pivot Mechanism (Pivot Means) 12 Connecting Member 19 End Cover

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B60P 3/22 B60R 5/00 B67D 5/36 E05D 1/04

Claims (4)

(57) [Claims] 1. A storage box main body (9) provided on a side of a tank (4) mounted on a vehicle body along a longitudinal direction of the vehicle body and storing a hose (5) therein, and the storage box main body (9). A tank lorry hose storage box comprising a door (7) covering a side opening of the tank lorry and a pivoting means (11) for pivotally supporting the door (7) to the storage box body (9). (7) is slidably connected to the vehicle body longitudinal direction with respect to the storage box main body (9) by said pivot means (11), its
At least one of the front and rear openings of the storage box body (9) and the front
At least one of the front and rear of the door (7) is the storage box main body.
(9) The hose storage box of the tank lorry, which is covered with a detachable end cover (19). 2. The pivot means (11) includes a connecting member (12) pivotally supported by both the door (7) and the receiving box body (9). The hose storage box for a tank lorry according to claim 1, characterized in that (12) is slidable in the vehicle longitudinal direction with respect to both the door (7) and the storage box body (9). 3. The hose storage box for a tank lorry according to claim 1, wherein the door (7) or the storage box body (9) is made of extruded material. 4. The hose storage box for a tank lorry according to claim 2, wherein the door (7), the storage box body (9), or the connecting member (12) is made of extruded material.