JP2017114271A - Vehicular filler neck fixing structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicular filler neck fixing structure that can improve looks without impairing miniaturization of a vehicle.SOLUTION: In the vehicular filler neck fixing structure for fitting a first filler neck 13 connected to a first supply port 12 through which first fluid is supplied to a vehicle and a second filler neck 14 connected to a second supply port 11 through which second fluid is supplied to the vehicle 1 to a vehicle body, the first filler neck 13 is fixed to a holding member 16 fitted to the vehicle body and the second filler neck 14 is detachably held by the holding member 16.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a filler neck fixing structure for a vehicle.

  A selective reduction catalyst system has been developed as an exhaust purification device for reducing the concentration of nitrogen oxide (NOx) contained in the exhaust of a diesel engine. This is because NOx is converted to nitrogen by a chemical reaction between an oxidation catalyst for oxidizing nitric oxide (NO), hydrocarbon (HC), etc., and ammonia produced from urea water provided downstream of the oxidation catalyst and NOx. A selective reduction catalyst for decomposing it into water, and urea water addition means for adding urea water as a reducing agent to the selective reduction catalyst.

  A vehicle equipped with such an exhaust purification device is provided with a urea water tank that stores urea water used in the exhaust purification device, and the urea water consumed as the vehicle travels is regularly used in the same manner as light oil as fuel. Need to be replenished. This urea water supply is performed by the driver himself / herself, a vehicle mechanic, a store clerk, etc., but the supply port provided in the filler neck for supplying urea water supplies the supply port provided in the filler neck for supplying fuel. Since it is inconvenient to be located away from the fuel, a technology for fixing each filler neck of fuel and urea water by providing a urea water supply port next to the fuel supply port is known (for example, “Patent Document”). 1 ”).

JP 2014-118004 A

By providing the urea water supply port next to the fuel supply port, the location of the urea water supply port can be known immediately and the work efficiency is improved, thereby improving convenience. However, the normal fuel replenishing port has a configuration in which an opening is formed in an iron plate constituting the vehicle body and fitted there. For this reason, when the urea water supply port is provided, it is not desired to reduce the strength of the vehicle body, so the urea water supply port is fitted at a predetermined interval next to the opening to which the fuel supply port is fitted. And an interval between the fuel supply port and the urea water supply port is required to some extent. Usually, such a replenishing port is disposed at a position recessed from the outer plate of the vehicle body, and is configured to be covered with a lid member except during replenishment. For this reason, when the interval between the fuel supply port and the urea water supply port is increased, downsizing of the vehicle is hindered, and the size of the lid member covering the opening is increased, which causes a problem in appearance.
SUMMARY OF THE INVENTION An object of the present invention is to provide a filler neck fixing structure for a vehicle that solves the above-described problems and can improve the appearance without hindering the downsizing of the vehicle.

  The invention according to claim 1 is connected to a first filler neck connected to a first supply port for supplying a first fluid to the vehicle, and to a second supply port for supplying a second fluid to the vehicle. In a vehicle filler neck fixing structure for attaching the second filler neck to the vehicle body, the first filler neck is fixed to a holding member attached to the vehicle body, and the second filler neck is attached and detached by the holding member. It is characterized by being held freely.

  According to a second aspect of the present invention, in the filler neck fixing structure for a vehicle according to the first aspect, the second filler neck is further fixed to the holding member via a fixing member.

  The invention according to claim 3 is the filler neck fixing structure for a vehicle according to claim 2, wherein the first filler neck and the second filler neck are formed in a cylindrical shape, and the holding member is the first filler neck. The outer periphery of the filler neck is fixed in the circumferential direction, the outer periphery of the second filler neck is held in the circumferential direction, and the fixing member fixes the outer periphery of the second filler neck in the tangential direction. Features.

  According to a fourth aspect of the present invention, in the filler neck fixing structure for a vehicle according to any one of the first to third aspects, the first fluid is a fuel for driving an internal combustion engine of the vehicle, The second fluid is urea water.

  According to a fifth aspect of the present invention, in the filler neck fixing structure for a vehicle according to any one of the first to fourth aspects, the holding member is attached to the vehicle body via an elastic member. .

  According to the present invention, each filler neck can be attached to the vehicle body by a single holding member. For this reason, the size of the hole formed in the vehicle body can be minimized by minimizing the interval between the filler necks. As a result, the lid covering the fuel filler opening can be made smaller without lowering the strength of the vehicle body and without hindering the downsizing of the vehicle, and the appearance can be improved.

(A) Bottom view of vehicle to which an embodiment of the present invention can be applied (b) Schematic view of the vicinity of a water supply port and a fuel supply port. It is the schematic explaining the connection state of the urea water tank in one embodiment of this invention, a water supply port, and a fuel tank and a fuel supply port. It is the schematic explaining the fixation condition of each filler neck to the vehicle body in one Embodiment of this invention.

  FIG. 1A is a bottom view of a vehicle to which an embodiment of the present invention can be applied. In FIG. 1, a vehicle 1 has a diesel engine 2 (hereinafter referred to as an engine) as an internal combustion engine, which is a travel drive source, mounted on a front portion of a vehicle body 3. A propeller shaft 5 is disposed to transmit to the rear wheel 4.

The vehicle 1 is equipped with a selective reduction catalyst as an exhaust purification device of the engine 2. The selective reduction catalyst includes a selective reduction catalyst 7 disposed in the exhaust pipe 6 that is an exhaust passage of the engine 2, and urea water that is a reducing agent in the exhaust pipe 6 that is located upstream of the selective reduction catalyst 7 in the exhaust direction. Urea water adding means 8 for adding. The urea water added in the exhaust pipe 6 is dispersed in the exhaust gas and hydrolyzed by the heat of the exhaust gas to become ammonia and CO ₂ . And the ammonia produced | generated in the selective reduction catalyst 7 and NOx in exhaust gas react, and it changes into nitrogen and water chemically. Thus, the exhaust gas from which NOx has been purified is diffused into the atmosphere.

  The urea water addition means 8 is supplied with urea water as a second fluid stored in a urea water tank 9 mounted on the vehicle body 3. The urea water tank 9 is located at the rearmost position of the vehicle body 3 and below a trunk (not shown). A fuel tank 10 that stores light oil as a first fluid that is fuel of the engine 2 is disposed at a position in front of the rear wheel 4 of the vehicle body 3 and below the passenger compartment floor.

  A water supply port 11 as a second supply port that is a supply port of urea water to the urea water tank 9 and a fuel supply port 12 as a first supply port that is a supply port of light oil to the fuel tank 10 are shown in FIG. As shown in FIG. 1 (b), it is arranged side by side on the left side surface of the vehicle body 3 and above the rear wheel 4. As shown in FIG. 2, a filler neck 13 having a cylindrical shape as a first filler neck connecting the two is provided between the fuel filler opening 12 and the fuel tank 10. Between the tank 9, a filler neck 14 having a cylindrical shape as a second filler neck for connecting the two is disposed. In FIG. 2, reference numeral 15 denotes a shock absorber for the rear wheel 4. The water supply port 11 and the oil supply port 12 have the oil supply port 12 on the vehicle front side and the water supply port 11 on the vehicle rear side across the shock absorber 15. Are arranged as shown.

  FIG. 3 shows a structure for fixing the filler neck 13 having the fuel filler opening 12 integrally and the filler neck 14 having the filler inlet 11 integrally to the vehicle body 3. A metal holding member 16 having a hole 16a into which the neck of the oil filler port 12 can be fitted is fixed to the metal filler neck 13 by welding. That is, the filler neck 13 is fixed to the outer periphery of the filler neck 13 by the holding member 16 so as not to be detachable in the circumferential direction. The holding member 16 is formed with a hole portion 16b in which the neck portion of the water supply port 11 can be fitted side by side with the hole portion 16a. The metal member has a semicircular shape around which the end portions are bent. The fixing member 17 is fixed by welding. A nut 18 is fixed to each end portion of the fixing member 17 by welding, and a fixed portion 11a in which a hole through which a screw that engages with the nut 18 can be passed is formed in the water supply port 11 integrally. The place is formed.

  The attachment of the filler necks 13 and 14 to the vehicle body 3 will be described. The holding member 16 to which the filler neck 13 is fixed is fitted with an outer peripheral portion in a groove portion 19a formed in a boot 19 made of an elastic member such as rubber. The boot 19 to which the holding member 16 is fixed is fitted and fixed in a hole formed in the outer plate of the vehicle body 3. The filler neck 14 is fixed to the fixing member 17 fixed to the holding member 16 attached to the vehicle body 3 by a screw (not shown). That is, the outer periphery of the filler neck 14 is held in the circumferential direction by the holding member 16, and the outer periphery thereof is detachably fixed in the tangential direction by the fixing member 17.

  According to the above-described configuration, each filler neck 13, 14 can be attached to the vehicle body 3 by the single holding member 16 via the boot 19. For this reason, the size of the hole formed in the vehicle body 3 can be minimized by minimizing the distance between the filler necks 13 and 14. As a result, the lid that covers the fuel filler opening 12 can be made smaller without lowering the strength of the vehicle body 3 and without hindering the downsizing of the vehicle, and the appearance can be improved.

  In addition, after attaching the holding member 16 holding the filler neck 13 to the vehicle body 3, the filler neck 14 is fixed to the fixing member 17 fixed to the holding member 16. Since the degree of freedom of the filler necks 13 and 14 is improved as compared with the case where the filler necks 13 and 14 are attached to the vehicle body 3 after being fixed to the holding member 16, workability at the time of attaching the filler necks 14 can be improved. Further, by changing the shape of the boot 19, the holding member 16 can also be used for a vehicle that does not require the filler neck 14, and cost reduction can be achieved by sharing parts.

  The preferred embodiments of the present invention have been described above. However, the present invention is not limited to the specific embodiments described above, and is described in the claims unless specifically limited by the above description. Various modifications and changes can be made within the scope of the present invention. The effects described in the embodiments of the present invention are only the most preferable effects resulting from the present invention, and the effects of the present invention are not limited to those described in the embodiments of the present invention. .

DESCRIPTION OF SYMBOLS 1 ... Vehicle, 2 ... Internal combustion engine (diesel engine), 3 ... Vehicle body, 11 ... Second supply port (water supply port), 12 ... First supply port (oil supply port) , 13 ... 1st filler neck (filanec), 14 ... 2nd filler neck (fila neck), 16 ... Holding member, 17 ... Fixing member, 19 ... Elastic member ( boots)

Claims (5)

A first filler neck connected to a first supply port for supplying a first fluid to the vehicle; and a second filler neck connected to a second supply port for supplying a second fluid to the vehicle. In the filler neck fixing structure of the vehicle that attaches to the car body,
The vehicle filler neck fixing structure according to claim 1, wherein the first filler neck is fixed to a holding member attached to the vehicle body, and the second filler neck is detachably held by the holding member. The filler neck fixing structure for a vehicle according to claim 1,
The vehicle filler neck fixing structure, wherein the second filler neck is fixed to the holding member via a fixing member. The filler neck fixing structure for a vehicle according to claim 2,
The first filler neck and the second filler neck are formed in a cylindrical shape, and the holding member fixes the outer periphery of the first filler neck in the circumferential direction and the outer periphery of the second filler neck. The vehicle filler neck fixing structure is characterized in that it is held in a circumferential direction, and the fixing member fixes an outer periphery of the second filler neck in a tangential direction. The filler neck fixing structure for a vehicle according to any one of claims 1 to 3,
The filler neck fixing structure for a vehicle, wherein the first fluid is a fuel for driving an internal combustion engine of the vehicle, and the second fluid is urea water. The filler neck fixing structure for a vehicle according to any one of claims 1 to 4,
A filler neck fixing structure for a vehicle, wherein the holding member is attached to the vehicle body via an elastic member.

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