JPH0310092Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a fuel tank holding device that is attached to a truck frame or the like.

[Prior Art] As shown in FIG. 1, a conventional fuel tank 10 has a pair of front and rear brackets 3 fixed to the side wall of a vehicle frame 2, which are formed by bending a U-shaped cross-sectional material into an L-shape.
Place the fuel tank 1 on the horizontal arm 3a of the bracket 3.
0, and a T-shaped rod 6 connected to one end of the metal band 5 so as to press the top wall 16 and side wall of the fuel tank 10 with the pair of front and rear metal bands 5,
The arm 3a is supported on the vehicle body by being locked into an elongated hole in the upper end of the bracket 3, and by fastening a bolt 7 connected to the other end with a nut to the end of the arm 3a. Fuel in the fuel tank 10 is supplied to the engine through a fuel hose 4 extending from an upper wall 16 through a hole in the vehicle frame 2. In the above-described mounting state of the fuel tank, if the fuel tank 10 moves forward in the event of a frontal collision of the vehicle, there is a risk that the fuel hose 4 will come off and fuel will leak, causing a fire in the vehicle.

In the fuel tank holding device disclosed in Japanese Patent Publication No. 56-8733, the fuel tank is captured by a metal band on an L-shaped bracket, and a base plate fixed to the bracket and a puller fixed to the end flange of the fuel tank are used. The plates are firmly connected with bolts.
Although this configuration suppresses the forward and backward movement of the fuel tank, if an excessive impact load is applied to the fuel tank in the event of a vehicle collision, the end plate will hit the pusher metal that locks the pull plate to the fuel tank, causing the fuel tank to There is a risk of cracks forming.

[Problems to be solved by the invention] The purpose of the invention is to provide an economical fuel tank with a simple structure that absorbs the shock that acts on the fuel tank during a vehicle collision and suppresses the forward and backward movement of the fuel tank. An object of the present invention is to provide a holding device.

[Means for solving the problem] In order to achieve the above object, the structure of the present invention is such that the fuel tank is mounted on an L-shaped bracket fixed to the side wall of the vehicle frame, and a locking plate with an L-shaped cross section is installed at the corner of the fuel tank. Stack the metal bands on top of each other, fasten the ends of the metal band placed on the upper side of the locking plate to both ends of the bracket, and engage the bent front edge of the locking plate with the end flange of the fuel tank. The rear edge bent portion is engaged with a metal band.

[Function] During a frontal collision of a vehicle, the impact load acting on the fuel tank 10 is transmitted from the end flange 8 of the fuel tank 10 via the edge bending part 23 to the locking plate 21, and further via the edge bending part 22 to the metal. The signal is transmitted to band 5 and received by bracket 3. Excessive impact is absorbed by deformation or destruction of the bent edges 23, 22, and at the same time, forward movement of the fuel tank 10 is restricted.

[Embodiment of the invention] As shown in FIG. 2, the fuel tank 10 is placed on the arm 3a of an L-shaped bracket 3 fixed to the side wall of the vehicle frame, and a locking plate 21 is placed over the corner of the fuel tank 10. The upper end of the metal band 5 is locked to the upper end of the bracket 3, and the lower end is tightened to the end of the arm 3a so as to hold down the upper wall 16 and side wall of the fuel tank 10. Specifically, a cylindrical portion 15 formed at the upper end of the metal band 5 is locked to the bracket 3 by a pin 14 inserted therethrough. A bolt 7 connected to the lower end of the metal belt 5 is inserted into a hole in the arm 3a, and is fastened by screwing a nut.

The fuel tank 10 is constructed by fitting end plates 11 to both ends of a drum 17 formed by rolling a wide plate into a cylindrical shape having a substantially rectangular cross section and joining the drum 17 by welding. A cylindrical flange 8 is formed on the periphery of the substantially rectangular end plate 11 by drawing, and this flange 8 is fitted into the dome 17.

According to the present invention, the locking plates 21 made of metal or synthetic resin are superimposed on the upper and lower corners of the fuel tank 10, and the lower locking plate 21 is placed on the arm 3a of the bracket 3. and the upper locking plate 2
1 is captured by a metal band 5.

As shown in FIG. 3, in order to suppress back and forth movement of the fuel tank 10, a groove-shaped edge bending part 23 is formed at the front end of the locking plate 21, and an L-shaped edge bending part 22 is formed at the rear end. The upper locking plate 21 is connected to the front edge bent portion 2
3 is engaged with the end flange 8 of the fuel tank 10, and the rear edge bent portion 22 is engaged with the edge of the metal band 5. The lower locking plate 21 has a front edge bent portion 23 engaged with the end flange 8, and a rear edge bent portion 22 engaged with the edge of the arm 3a of the bracket 3.

When an impact load is applied to the fuel tank 10 in FIG. 3 during a frontal collision of a vehicle, the impact load is transmitted from the end flange 8 of the fuel tank 10 via the edge bending part 23 to the locking plate 21, and the edge bending part 22 It is supported by the engaging portion of the metal band 5, the edge bending portion 22, and the engaging portion of the arm 3a. Excessive impact is absorbed by deformation or destruction of the edge bending portions 23 and 22, and at the same time, forward movement of the fuel tank 10 (to the right in the figure) is restricted.

A similar effect can be obtained even if the locking plate 21 is provided only at the upper corner of the fuel tank 10.

The fact that the locking plate 21 is curved into an L-shaped cross section so as to be overlapped with the corner portion of the fuel tank 10 increases the rigidity of the edge bending portion 23 and the edge bending portion 22, and improves deformation resistance or absorption capacity against impact loads. becomes larger.

As shown in FIG. 4, the locking plate 21 may be U-shaped in cross section so as to surround the top wall 16 or bottom wall 12 and both side walls of the fuel tank 10.

As shown in FIG. 5, the locking plate 21 is cylindrical,
A longitudinal slit 31 may be provided on the rear end side to facilitate attachment to the fuel tank 10. The slits 31 are the top wall 16, bottom wall 12, and
It is installed on the wall surface that overlaps with the side wall.

The above-described locking plate 21 may be provided only on the front end side of the fuel tank 10, but if it is placed on both the front and rear ends, forward and backward movement of the fuel tank 10 can be suppressed.

[Effects of the invention] As mentioned above, the present invention has an L fixed to the side wall of the vehicle frame.
Place the fuel tank on a letter-shaped bracket, overlap the locking plate with an L-shaped cross section on the corner of the fuel tank,
Fasten the ends of the metal band placed on the upper side of the locking plate to both ends of the bracket, engage the bent front edge of the locking plate with the end flange of the fuel tank, and bend the rear edge of the locking plate. Since the part is engaged with a metal band, there is no need to modify the conventional fuel tank support device; just by applying the locking plate, the forward and backward movement of the fuel tank can be suppressed, and the locking plate is easy to configure. It is economical because it can be manufactured at low cost.

In the event of a vehicle collision, the excessive impact that acts on the fuel tank is absorbed by the deformation of the bent edge of the locking plate, and at the same time, the forward and backward movement of the fuel tank is restricted, preventing the fuel hose from coming loose and causing fuel leaks. prevention and vehicle fires are avoided.

[Brief explanation of the drawing]

Fig. 1 is a plan view of a conventional fuel tank holding device, Fig. 2 is a perspective view of a fuel tank holding device according to the present invention, Fig. 3 is a side sectional view of the same, and Fig. 4 is a view of a locking plate. FIG. 5 is a perspective view showing a third embodiment of the locking plate. 2: Vehicle frame, 3: Bracket, 3a: Arm, 5: Metal band, 8: End flange, 10: Fuel tank, 21: Locking plate, 22, 23: Edge bending portion.

Claims (1)

[Scope of utility model registration request] Place the fuel tank on an L-shaped bracket fixed to the side wall of the vehicle frame, overlap a locking plate with an L-shaped cross section on the corner of the fuel tank, and attach the ends of the metal band placed on the top of the locking plate to both ends of the bracket. concluded,
A fuel tank holding device in which a front edge bent portion of a locking plate is engaged with an end flange of the fuel tank, and a rear edge bent portion of the locking plate is engaged with a metal band.