JP2512823Y2 - Truck body structure - Google Patents

Description

The present invention relates to a vehicle body structure of a truck.

2. Description of the Related Art In an automobile having a loading platform, a ventilation hole is provided in a side panel inner forming a pillar in a rear part of a cabin, an air vent is provided in a side panel inner below a floor panel, and a magnetic material is provided outside the air vent. The one in which a powder-containing elastic plate is attached and the upper edge of the magnetic powder-containing elastic plate is fixed to the side panel inner with an adhesive or the like has already been developed and published (for example, see Japanese Utility Model Publication No. 57-69772).

Also, a first bracket having a substantially L-shaped cross section that is fixedly joined to the inner surface and the rear surface of the pillar is fixed to the inner surface of the lower portion of the pillar that is fixedly bonded to the side flange formed on the back panel of the cabin. The mounting portion of the fixing bracket is configured, and a flange portion that is joined and fixed by sandwiching a side flange of the back panel on the inner side surface where the first bracket of the pillar is joined is provided on the lower flange of the back panel. A phosphorus hosement having a boss-shaped portion projecting downward from the opening and having a loading platform support portion on the upper edge is bonded and fixed to the back surface of the back panel, and the first portion from the bottom surface of the boss-shaped portion of the phosphorus hosement to the inner surface of the pillar. The one in which two brackets are joined and fixed to form a mount portion to the chassis frame has already been developed and published (for example, Jikho Sho 59-1).
See Japanese Patent No. 3184).

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention The present invention focuses on the fact that a mount bracket constituting a mount portion of a cabin on a chassis frame is attached to a pillar provided in a rear portion inside a cabin, and a side panel inner constituting the pillar is attached to the mount bracket. An inner ventilation port is provided, and an outer ventilation port that is rearward in the vehicle front-rear direction is provided on the mount bracket, and the air inside the cabin is opened rearward through the space inside the pillar and the mount bracket from the inner ventilation port. The structure is such that the elastic plate containing magnetic powder for preventing the mud splash from the front wheel, that is, the closing plate for the air vent hole, as described in the first prior art, can be omitted. Is intended to be provided.

MEANS FOR SOLVING THE PROBLEMS The present invention has a floor panel 2 and a pillar outer 5 of a cabin 1 having an L-shaped cross section and having a lower end and a side end flange.
And a pillar inner 4 of a rear pillar 6, which is fixedly joined to the inner side of the pillar inner 4 and a rear end flange is fixedly joined to the back panel 3 so that the cabin 1 has a closed cross section passing through the floor side end of the cabin 1 in the front-rear direction. In a cab-over type truck provided with a side frame 7 forming a structure, a mount bracket 8 for mounting and fixing the cabin 1 to a chassis frame 9 has an L-shaped cross-sectional shape in which a bottom portion having a front surface, an inner side surface and a bottom surface is closed. And the upper end flanges of the front surface and the inner surface are joined to the lower surface of the floor panel 2 so as to face the vicinity of the rear end of the side frame 7,
The rear end flange of the inner side surface is joined and fixed to the back panel 3 together with the rear end flange of the floor panel 2, the bottom surface is attached to the chassis frame 9 via the cushion rubber 12, and the pillar inner 4 is positioned above the floor panel 2 in the cabin. Ventilation port 4a on the indoor side leading to the inside of 1 and the pillar inner 4
Mount bracket 8 below the floor panel 2
A ventilation port 4b on the outside of the room which is connected to a space portion surrounded by and opening to the rear is provided.

Action Due to the above, the mount bracket 8 for attaching and fixing the cabin 1 of the cab-over type truck to the chassis frame 9
Is mounted via the floor panel 2 in the vicinity of the rear end of the side frame 7 that forms a closed cross-sectional structure that passes through the floor side end of the cabin 1 in the front-rear direction inside the cabin 1. Not only can the rigidity of the mount portion on the frame 9 be improved, but
The air in the passenger compartment is provided in a space inside the pillar from an indoor side ventilation port 4a provided above the floor panel 2 of the pillar inner 4, below the floor panel 2 of the pillar inner 4, and surrounded by a mount bracket 8. It can be circulated to the outside through a ventilation port 4b on the outside of the room that leads to a space opening rearward.

Embodiment An embodiment of the present invention will be described below with reference to the accompanying drawings.

1 to 4, 1 is a cabin of a cab-over type truck, 2 is a floor panel of the cabin 1, 3 is a back panel of the cabin 1, and lateral sides formed by bending both sides of the back panel 3 rearward. A pillar 6 composed of a pillar inner 4 and a pillar outer 5 is joined and fixed to the flange 3a.

Reference numeral 7 denotes a side frame having a substantially L-shaped cross section in which the lower end and the side end flange portions are respectively bonded and fixed to the floor panel 2 and the pillar inner 4 to form a closed cross section structure that passes through the floor side end in the front-rear direction. The end flange portion is bonded and fixed to the back panel 3.

Reference numeral 8 denotes a mount bracket which is attached to the lower surface of the floor panel 2 at a position facing the rear portion of the side frame 7, and which joins and fixes the cabin 1 to the chassis frame 9 via the chassis frame mount bracket 10. The mount bracket 8 is a front surface. 8a, an inner side surface 8b, and a bottom surface 8c have a closed bottom L-shaped cross-sectional shape, and the front surface 8a and the upper end flange portions of the inner side surface 8b are joined and fixed to the lower surface of the floor panel 2, and the front surface 8a. The side end flange portion is joined and fixed to the inside of the pillar inner 4, and the rear end flange portion of the inner side surface 8b is joined and fixed to the back panel 3 together with the rear end flange portion of the floor panel 2.

11 is the bottom 8c of the mount bracket 8 and the pillar inner 4
The rear surface of the mount bracket 8 has a top surface 11a that abuts the bottom surface 8c of the mount bracket 8 and a front end surface of a hanging bottom surface 11b that hangs from the outer edge of the top surface 11a and is joined to the pillar inner 4. It is configured to have substantially triangular side faces 11c and 11c that join and fix the edges and the rear edge together.

Reference numerals 12 and 12 denote mount rubbers which are arranged by vertically sandwiching the overlapping portions of the bottom surface 8c of the mount bracket 8 and the upper surface 11a of the reinforcement 11, and the mount rubbers 12 and 12 are provided in the center hole of the mount rubber 8 and the mount rubber 8 of the mount bracket 8. It is bolted to a chassis frame mount bracket 10 that is fixedly attached to the chassis frame 9 by bolts (not shown) that pass through mounting holes provided in the bottom surface 8c and the upper surface 11a of the reinforcement 11.

Reference numeral 13 denotes a cross member having an L-shaped cross section that is fixedly joined to the rear surface of the back panel 3 to which the rear end flange portion of the floor panel 2 is joined and fixed, at a position substantially facing the rear end flange portion of the floor panel 2. A cargo floor panel 14 is fixed to the upper surface of the cross member 13 with screws.

4a is provided in the pillar inner 4 located above the floor panel 2, and a ventilation port communicating with the indoor side is provided. 4b is provided in the pillar inner 4 located below the floor panel 2, and the lower surface of the rear end of the floor panel 2 is provided. Is a ventilation port that is provided in the space surrounded by the mount bracket 8 and the air inside the vehicle is formed between the pillar inner 4 and the pillar outer 5 through the ventilation port 4a, the space inside the pillar 6, the ventilation port 4b, and the mount. An opening that is surrounded by the bracket 8 and opens rearward
Since it can flow to the outside through the space having 8d, the muddy water splashed by the front wheels as shown by the dotted arrow in FIG.
Since the muddy water passes through the space surrounded by the mount bracket 8 and opens rearward, the muddy water passes through the ventilation port 4b provided in the pillar inner 4 located below the floor panel 2 and the pillar inner 4 It is possible to prevent entry into the space inside the pillar 6 formed by the pillar outer 5 and.

Further, the mount bracket 8 for attaching and fixing the cabin 1 to the chassis frame 9 has the lower end and side end flange portions joined and fixed to the floor panel 2 and the pillar inner 4, and the rear end flange portion joined and fixed to the back panel 3 to form the cabin 1. Since it is mounted so as to face the vicinity of the rear end of the side frame 7 that forms a closed cross-sectional structure that passes through the floor side end in the front-rear direction via the floor panel 2, the vehicle body rigidity and the mint portion of the cabin frame of the cabin are improved. Both rigidity can be improved.

As described above, according to the present invention, the pillar inner 4 of the rear pillar 6 having the L-shaped cross-section, the lower end and the side end flanges of which are the floor panel 2 of the cabin 1, the pillar outer 4 and the pillar inner 5. A cab-over type truck provided with a side frame 7 fixedly joined to the inside of the cabin and a rear end flange thereof fixedly joined to the back panel 3 to form a closed cross-section structure in the cabin 1 that passes through the floor side edge of the cabin 1 in the front-rear direction. In, a mount bracket 8 for mounting and fixing the cabin 1 to a chassis frame 9 is formed into an L-shaped cross-section having a closed bottom having a front surface, an inner side surface, and a bottom surface, and upper end flanges of the front surface and the inner side surface. Is joined to the lower surface of the floor panel 2 so as to face the vicinity of the rear end of the side frame 7, and the rear end flange of the inner surface is attached to the rear end of the floor panel 2. It is bonded and fixed to the back panel 3 together with the end flanges, and the bottom surface is attached to the chassis frame 9 via the cushion rubber 12.
The ventilation port on the indoor side that is installed in the cabin 1 and is located above the floor panel 2 of the pillar inner 4 and communicates with the inside of the cabin 1.
The cabin 1 of the cab-over type truck is provided with the chassis frame 9 by providing 4a and the ventilation port 4b on the outside of the pillar inner 4 below the floor panel 2 which is surrounded by the mount bracket 8 and communicates with a space opening rearward.
The mount bracket 8 that is fixedly attached to is attached via the floor panel 2 in the vicinity of the rear end of the side frame 7 that forms a closed cross-sectional structure that passes through the floor side end of the cabin 1 in the front-rear direction inside the cabin 1. Not only the rigidity of the vehicle body and the rigidity of the mount portion of the cabin 1 on the chassis frame 9 can be improved, but also the air in the passenger compartment can be improved.
A space inside the pillar from a ventilation port 4a on the indoor side provided above the floor panel 2 of the pillar inner 4, and below the floor panel 2 of the pillar inner 4, a space surrounded by a mount bracket 8 and opening rearward Since it can be circulated to the outside through the ventilation port 4b on the outside of the room, the muddy water splashed by the front wheels is repelled by the front surface 8a of the mount bracket 8 and is below the floor panel 2 of the pillar inner 4. It is possible to prevent entry into the space inside the rear pillar 6 from the outdoor ventilation port 4b provided inside the position, and it is possible to bring about a great effect in practical use.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is an overall perspective view, FIG. 2 is a detailed perspective view of X part of FIG. 1, FIG. 3 and FIG.
The drawing is a sectional view taken along the line AA and BB of FIG. 1 ... Cabin, 2 ... Floor panel, 3 ... Back panel, 4 ... Pillar inner, 4a, 4b ... Ventilation port, 5 ...
Pillar outer, 6 …… Rear pillar, 7 …… Side frame, 8 …… Mount bracket, 8a …… Front surface, 8b ……
Inner side, 8c ... bottom, 8d ... opening, 9 ... chassis frame, 10 ... chassis frame mount bracket, 11 ...
… Rinhosement, 12 …… Mount rubber, 13 …… Cross member, 14 …… Bag floor panel.

Claims (1)

(57) [Scope of utility model registration request] 1. A floor panel 2 and a pillar outer 5 of a cabin 1 having an L-shaped cross-section and having a lower end and side end flanges.
And a pillar inner 4 of a rear pillar 6, which is fixedly joined to the inner side of the pillar inner 4 and a rear end flange is fixedly joined to the back panel 3 so that the cabin 1 has a closed cross section passing through the floor side end of the cabin 1 in the front-rear direction. In a cab-over type truck provided with a side frame 7 forming a structure, a mount bracket 8 for mounting and fixing the cabin 1 to a chassis frame 9 has an L-shaped cross-sectional shape in which a bottom portion having a front surface, an inner side surface and a bottom surface is closed. And the upper end flanges of the front surface and the inner surface are joined to the lower surface of the floor panel 2 so as to face the vicinity of the rear end of the side frame 7,
The rear end flange of the inner side surface is joined and fixed to the back panel 3 together with the rear end flange of the floor panel 2, the bottom surface is attached to the chassis frame 9 via the cushion rubber 12, and the pillar inner 4 is positioned above the floor panel 2 in the cabin. Ventilation port 4a on the indoor side leading to the inside of 1 and the pillar inner 4
Mount bracket 8 below the floor panel 2
A vehicle body structure for a truck, which is provided with an outdoor ventilation port 4b which is connected to a space portion which is surrounded by and opens to the rear.