JPS5823721Y2 - roof carrier - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a roof carrier for a freight vehicle, etc., and its purpose is to reduce air resistance during driving and to make the space of the roof carrier variable.

A cargo box mounted on the rear of the driver's cab, such as a refrigerated truck, a pan, a container-equipped vehicle, etc., whose cargo box is higher than the roof of the driver's cab, or cargo that can be loaded on the bed of a general truck. If the vehicle is loaded higher than the roof of the driver's cab, the cargo box or the front surface of the cargo acts as an air resistance element during travel, which has a negative impact on travel and causes noise due to airflow collisions.

In order to solve this problem, an air conditioning system is installed on the roof of the driver's cab, which has a sloped surface section facing the front wall of the cargo box body and both side surface sections, to reduce the air resistance caused by running. There is.

However, the height of the cargo box body, that is, the height that projects from the top surface of the roof of the driver's cab is not fixed depending on the various sizes of the cargo box bodies, and the height of the cargo on the cargo platform is also undefined.

In such a case, if the angle of inclination of the inclined surface of the air rectifier is fixed and constant, air resistance can be reduced by effective air rectification according to the various heights of the cargo box and the height of the cargo. No reduction is obtained.

Additionally, some cars have a roof carrier installed on the roof of the driver's cab, but this is also a negative factor in reducing air resistance.

This invention provides a roof carrier installed on the roof of the driver's cab with an air resistance reduction function, and also provides effective air rectification according to the height of the cargo box and the height of the cargo. The present invention provides a roof carrier that has two functions: a cargo platform and air resistance reduction.

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

In FIG. 1, 1 is a roof carrier formed by a pipe framework.

Note that it may be formed of a material other than pipe.

Reference numeral 2 designates a mounting bracket for fixing the roof carrier 1 to the upper surface of the roof 9 of the driver's cab as shown in FIG.

A support pipe 5 is slidably inserted in front of the pipe 3 disposed on the bottom surface of the roof carrier 1 (in front of the roof carrier 1), and an air baffle plate 4 is fixed to the support pipe 3.

The air rectifying plate 4 includes a front plate 4a having an upwardly inclined surface.
and both side plates 4b having vertical surfaces are integrally curved.

Elongated holes 6 that are long in the direction of movement of the air baffle plate 40 in the front-back direction are formed in the both side plates 4b, and fixing bolts 7 that pass through the elongated holes 6 and are screwed to both side pipes of the roof carrier 1 are inserted. It is provided.

Furthermore, if necessary, a slide amount scale 8 is carved along the elongated hole 6.

Since the roof carrier 1 according to the present invention has the structure as described above, the air baffle plate 4 can be fixed to the upper surface of the roof 9 of the driver's cab using the mounting bracket 2 as shown in FIG.
The roof carrier 1 equipped with the above-mentioned roof carrier 1 is immediately installed and can be used as a roof-top loading platform, which is the original purpose of the roof carrier, and the air baffle plate 4 can reduce air resistance during running.

Moreover, the position of the air baffle plate 4 can be adjusted in the longitudinal direction with respect to the fixed roof carrier 1 within the permissible range of the elongated hole 6, so that it is possible to adjust the position of the air baffle plate 4 within the allowable range of the elongated hole 6. The front and rear positions of the air baffle plate 40 are adjusted appropriately according to the height of the cargo loaded on the box body or general loading platform, that is, the height protruding from the top surface of the roof of the driver's cab, and the height of the cargo box body or cargo is adjusted appropriately. This effectively rectifies the air.

For example, when the height of the cargo box or cargo is relatively high, if an air rectifying plate with a certain inclination angle is located at the rear, even if the front plate 4a rectifies the airflow upward, the cargo It often hits the front wall of the box or the front of the cargo.

Therefore, in such a case, the air rectifier plate 4 should be positioned as close to the front end of the roof as possible to prevent the airflow that is rectified upward along the slope of the front plate 4a from flowing over the upper front of the cargo box or cargo. Making it possible to obtain a reduction in air resistance.

Furthermore, the air baffle plate 4 also reduces the air resistance of the roof carrier 1 itself, and the roof carrier 1 can reduce wind noise.

Furthermore, by moving the air baffle plate 4 forward, the space of the roof carrier 1 can be expanded, and the cargo area can be used effectively.

[Brief explanation of drawings]

FIG. 1 is a perspective view of a roof carrier according to the present invention, and FIG. 2 is a side view showing the installed state of the roof carrier according to the present invention. 1... Roof carrier, 4... Air rectifier plate.

Claims (1)

[Scope of utility model registration request] In a freight vehicle having a loading platform higher than the roof surface of a driver's cabin, an air baffle plate having an upwardly sloping surface on the front surface is attached to a roof carrier installed on the roof surface so as to be slidable in the front and rear directions via a guide member. The roof carrier further comprises a fixing device for fixing the air baffle plate at a longitudinally adjusted position.