JPH0671246U - Vehicle fuel inlet device - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a fuel inlet device for a vehicle capable of increasing the fixing strength of a fuel pipe while preventing deterioration of the appearance of the vehicle. [Structure] An inner seal 5 of an elastic seal 5 that covers a bottom portion 3b of an inlet box 3 in which a fuel injection port 4 is recessed in an outer panel 1 and covers an outer peripheral surface of the inlet box 3.
b and the bracket 9 provided on the fuel pipe 8 are fixed to the inner panel 6 together with the bolts 10 and the nuts 11, so that the outer panel 1 is prevented from being distorted due to the attachment of the inlet box 3 and the fuel pipe 8. The vicinity of the tip of the pipe 8 was connected to the inner panel 6 to increase the support strength of the pipe 8.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a fuel inlet device for a vehicle, and more particularly to a fuel inlet device capable of increasing the support strength of a fuel pipe without deteriorating the appearance of the vehicle.

[0002]

[Prior art]

 2. Description of the Related Art As a conventional vehicle fuel inlet device, there is one disclosed in Japanese Utility Model Laid-Open No. 2-142319. As shown in FIG. 3, the flange C of the inlet box B and the outer flange E of the elastic seal D are tightened and fixed by the bolt F and the nut G around the periphery of the opening provided in the outer panel A of the vehicle body, and the fuel inlet is provided. Formed H.

Further, by closely holding the inner flange I of the elastic seal D to the opening peripheral edge provided in the inner panel J of the vehicle body, the seal between the outer panel A and the inner panel J is performed, and the inlet is also provided. A seal ring L was attached to the bottom K of the box B to seal between the inlet box B and the fuel pipe M. Then, the fuel pipe M is fixed to the vehicle body side by a bracket (not shown) at a portion closer to the tank than the inner panel J. N is a cap and O is a lid.

However, in the case where the inlet box B is fastened and fixed to the outer panel A as described above, the mounting of the inlet box B may cause distortion in the outer panel A and impair the appearance of the vehicle. . Further, since the fuel pipe M is connected to the vehicle body side only at the portion closer to the tank than the inner panel J, even if a large and strong bracket is used, the vicinity of the tip of the fuel pipe M is cantilevered. Therefore, there is a problem that the supporting strength of the fuel pipe M cannot be necessarily increased.

[0005]

[Problems to be solved by the device]

 The present invention has been made in view of the above circumstances, and it is possible to prevent the distortion of the outer panel due to the installation of the inlet box and the fuel pipe, prevent the deterioration of the appearance of the vehicle, and increase the fixing strength of the fuel pipe. An object of the present invention is to provide a fuel injection device for a vehicle that can be used.

[0006]

[Means for Solving the Problems]

 In order to solve the above problems, the present invention provides an inlet box having a fuel injection port formed in an outer panel of a vehicle body, a cylindrical elastic seal covering an outer peripheral surface of the inlet box, and a predetermined outer panel. A fuel pipe is provided which protrudes from the opening provided in the inner panel of the vehicle body, which is arranged at a distance of, to the fuel inlet through the opening provided in the bottom of the inlet box.

[0007] Furthermore, while a flange that overlaps the peripheral surface of the opening provided in the outer panel is provided in the inlet box, an outer seal sandwiched between the flange and the outer panel and a space between the bottom of the inlet box and the inner panel are provided. An inner seal sandwiched between the elastic seals is provided. A bracket that overlaps with the back surface of the inner panel is provided on the fuel pipe, and then the bracket is fixed together with the bottom of the inlet box and the inner seal of the elastic seal to the inner panel with bolts and nuts. I am trying.

[0008]

[Action]

 Insert the outer seal of the elastic seal between the flange of the inlet box and the outer panel, and the inner seal of the elastic seal between the bottom of the inlet box and the inner panel, and then insert it with the bracket provided on the fuel pipe. The inner seal of the bottom and the elastic seal is fixed to the inner panel with bolts and nuts. Therefore, unlike the conventional one in which the inlet box is fastened and fixed to the outer panel, there is no concern that the outer panel will be distorted by mounting the inlet box.

Further, the bracket provided on the fuel pipe is fastened and fixed to the inner panel by using bolts and nuts for fastening and fixing the bottom portion of the inlet box and the inner seal of the elastic seal to the inner panel. For this reason, the fuel pipe is fixed to the vehicle body side even in the penetration part of the inner panel, and the fuel pipe can be firmly fixed even if the bracket near the tank is downsized.

[0010]

【Example】

 Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a sectional view showing an embodiment of a vehicle fuel inlet device according to the present invention, in which an outer panel 1 of a vehicle body has an opening 2 covered with a lid (not shown). An inlet box 3 made of a hard resin material is attached to the opening 2 to form a fuel injection port 4.

The outer peripheral surface of the inlet box 3 is covered with an elastic seal 5 formed in a tubular shape, and the inlet 7 is opened through an opening 7 provided in an inner panel 6 arranged at a predetermined interval in the outer panel 1. The tip of the fuel pipe 8 is projected inside the box 3, that is, inside the fuel inlet 4.

A flange 3 a is provided at the outer end of the inlet box 3, and an opening 3 c through which the fuel pipe 8 is projected is provided at the bottom 3 b of the inlet box 3. Then, the flange 3a is polymerized on the peripheral surface of the opening 2 provided in the outer panel 1 via the outer seal 5a provided at the outer end of the elastic seal 5, and the inner seal 5b provided at the inner end of the elastic seal 5 is provided. The bottom portion 3b of the inlet box 3 is superposed on the peripheral surface of the opening 7 provided in the inner panel 6 through the interposition.

On the other hand, a bracket 9 which is superposed on the back surface of the peripheral edge of the opening 7 is welded and fixed to the fuel pipe 8, and the bracket 9 together with the bottom portion 3b of the inlet box 3 and the inner seal 5b of the elastic seal 5 are provided with a bolt 10 and a nut. The outer seal 5a of the elastic seal 5 is sandwiched and held between the flange 3a of the inlet box 3 and the outer panel 1 by this tightening force by fastening and fixing to the inner panel 6 at 11.

The nut 11 is welded and fixed to the bracket 9, and at a portion where the bracket 9 is not provided, the nut 11 is welded to the back surface of the inner panel 6 so that the tightening operability of the bolt 10 is improved. There is. Reference numeral 12 is a seal ring that engages and holds the outer seal 5a of the elastic seal 5 with the opening 2 of the outer panel 1, and 13 is a cap. By providing an appropriate fold 5c in the middle portion of the elastic seal 5, the outer seal 5a and the inner seal 5a The dimensional difference of the seal 5b can be absorbed, and a sealing material having a sealing action with the peripheral surface of the fuel pipe 8 is attached to the opening 3c provided in the bottom 3b of the inlet box 3 as needed. ing.

In the vehicle fuel inlet device configured as described above, the outer seal 5 a of the elastic seal 5 is sandwiched between the flange 3 a of the inlet box 3 and the outer panel 1 and then provided on the fuel pipe 8. In addition to the bracket 9, the bottom portion 3b of the inlet box 3 and the inner seal 5b of the elastic seal 5 are fastened and fixed to the inner panel 6 with the bolt 10 and the nut 11. Therefore, unlike the conventional case in which the inlet box 3 is fastened and fixed to the outer panel 1, there is no concern that the outer panel 1 will be distorted by mounting the inlet box 3.

In addition, the bracket 9 provided on the fuel pipe 8 using the bolt 10 and the nut 11 for fastening and fixing the bottom portion 3 b of the inlet box 3 and the inner seal 5 b of the elastic seal 5 to the inner panel 6 is used. It is tightened and fixed to the. Therefore, the vicinity of the tip of the fuel pipe 8 can be fixed to the vehicle body side without causing deformation of the outer panel 1, and an increase in the number of parts used for fixing the fuel pipe 8 can be suppressed, and further, Even if the size of the bracket near the tank is reduced, the fuel pipe 8 can be firmly fixed.

Further, since the bottom portion 3b of the inlet box 3 is fastened and fixed to the inner panel 6 with the bolt 10 and the nut 11, the bolt 10 and the like are hard to see when the lid (not shown) is opened, and the fuel The appearance of the inlet 4 is also improved.

In the above embodiment, the outer seal 5a and the inner seal 5b of the elastic seal 5 are formed in a flat plate shape together, but as shown in FIG. 2, a groove 5d is provided in the central portion of the outer seal 5a, or By using a hollow outer seal (not shown), the elastic deformation amount of the outer seal 5a can be increased. Therefore, when the elastic deformation amount of the outer seal 5a is increased as described above, the variation in the assembling dimensions of the outer panel 1 and the inner panel 6 is absorbed by the expansion and contraction of the elastic seal 5 and the deformation of the outer seal 5a. The sealability between the flange 3a of the box 3 and the outer panel 1 can be made higher.

[0019]

[Effect of device]

 As is clear from the above description, according to the vehicle fuel inlet device of the present invention, there is no concern that the outer panel will be distorted due to the installation of the inlet box and the fuel pipe. The fuel pipe can be firmly fixed without being accompanied by.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an embodiment of a vehicle fuel inlet device according to the present invention.

FIG. 2 is a cross-sectional view showing a modified example of the elastic seal shown in FIG.

FIG. 3 is a sectional view showing a conventional example of a fuel inlet device for a vehicle.

[Explanation of symbols]

 1 Outer Panel 2 Opening 3 Inlet Box 3a Flange 3b Bottom 3c Opening 4 Fuel Injecting Port 5 Elastic Seal 5a Outer Seal 5b Inner Seal 5c Flute 5d Groove 6 Inner Panel 7 Opening 8 Fuel Pipe 9 Bracket 10 Bolt 11 Nut 13 Cap 12 Seal

Claims (1)

[Scope of utility model registration request] 1. An inlet box in which a fuel inlet is formed in a recess in an outer panel of a vehicle body, a cylindrical elastic seal covering an outer peripheral surface of the inlet box, and the outer panel provided at a predetermined interval. A fuel pipe projecting from the opening provided in the inner panel of the vehicle body through the opening provided in the bottom of the inlet box to the fuel injection port, and the flange overlapping the peripheral surface of the opening provided in the outer panel is provided with the inlet. An outer seal that is provided on the box and is sandwiched between the flange and the outer panel and an inner seal that is sandwiched between the bottom of the inlet box and the inner panel are provided on the elastic seal, while a bracket that overlaps with the back surface of the inner panel is provided on the fuel. It is installed on the pipe and the bracket is A fuel injection device for a vehicle, which is fixed to the inner panel together with a bolt and a nut together with the inner bottom of the boot and the elastic inner seal.