JP2018159327A - Supply module fixing structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To inhibit a support bracket from enlarging in a vehicle width direction.SOLUTION: A vehicle 1 includes: a tank side bracket 70 supporting a urea water tank 40 which stores urea water; a frame side bracket 80 connecting the tank side bracket 70 to a vehicle body frame 10; and a supply module 50 which is supported by the frame side bracket 80 and supplies the urea water. The supply module 50 is fixed to a front surface part 84c at a side of the frame side bracket 80 which is connected to the tank side bracket 70.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a supply module fixing structure, and more particularly to a structure for fixing a supply module to a support bracket.

  As a vehicle having a frame structure in which an engine or the like is attached to a vehicle body frame, for example, a truck is used. In the truck, a urea water tank (liquid tank) that stores urea water and a supply module that supplies the urea water to the injection nozzle are attached to the vehicle body frame via a support bracket.

  The support bracket includes a tank side bracket that supports the urea water tank, and a frame side bracket that connects the tank side bracket and the vehicle body frame. The frame side bracket is provided with a fixing plate to which the supply module is fixed. The fixing plate is attached to the frame-side bracket in a state of being separated from the vehicle body frame in the vehicle width direction.

JP 2017-2849 A

  By the way, in some vehicles having a frame structure, a urea water tank and a supply module are arranged in a line along the vehicle width direction. In such a vehicle, since a space is required between the fixing plate and the vehicle body frame in the vehicle width direction, the length of the frame-side bracket in the vehicle width direction is increased. As a result, the support bracket may become larger in the vehicle width direction.

  Then, this invention is made | formed in view of these points, and it aims at suppressing that a support bracket becomes large in a vehicle width direction.

In one aspect of the present invention, a tank-side bracket that supports a liquid tank that stores liquid, a frame-side bracket that connects the tank-side bracket and the vehicle body frame, and the liquid that is supported by the frame-side bracket A supply module fixing structure, wherein the supply module is fixed to a fixing portion on a connection side of the frame side bracket to the tank side bracket.
According to such a supply module fixing structure, the supply module is fixed to the fixing portion of the frame side bracket, so that it is not necessary to attach a dedicated fixing plate to the frame side bracket, and the frame side bracket can be reduced in the vehicle width direction. . As a result, the length of the support bracket in the vehicle width direction can be reduced.

  The supply module fixing structure further includes a fastening member that connects the frame-side bracket and the tank-side bracket, and the supply module includes the fixing portion via a spacing member disposed around the fastening member. It is good also as being fixed to.

  The frame-side bracket includes a first plate member and a second plate member arranged so as to surround the supply module, and the first plate member and the second plate member are fixed to each other. Also good.

  Further, each of the first plate member and the second plate member has a bent portion bent so as to be in contact with the vehicle body frame, and a reinforcing plate is provided in each bent portion. Also good.

  According to the present invention, there is an effect that the support bracket can be prevented from becoming large in the vehicle width direction.

It is a mimetic diagram for explaining an example of composition of vehicles 1 concerning one embodiment of the present invention. It is a schematic diagram which shows the support bracket 60 which is supporting the urea water tank 40 and the supply module 50. FIG. FIG. 6 is a diagram for explaining a configuration of a support bracket 60. It is a figure for demonstrating the fixation structure of the supply module. It is a schematic diagram for demonstrating the support bracket 160 which concerns on a comparative example.

<Vehicle configuration>
The outline of the configuration of the vehicle 1 according to one embodiment of the present invention will be described with reference to FIG.

  Drawing 1 is a mimetic diagram for explaining an example of composition of vehicles 1 concerning one embodiment. The vehicle 1 is a vehicle having a frame structure, and is a truck as an example. As shown in FIG. 1, the vehicle 1 includes a vehicle body frame 10, a cab 20, a fuel tank 30, a urea water tank 40, a supply module 50, and a support bracket 60.

  The body frame 10 is a skeleton that supports the vehicle 1. The body frame 10 includes a pair of side frames 11 extending in the front-rear direction of the vehicle 1 and a cross frame 12 extending in the vehicle width direction so as to connect the pair of side frames 11. An engine (not shown) is attached to the body frame 10.

  The cab 20 is located at the front portion of the body frame 10. Inside the cab 20 is formed a passenger compartment in which a passenger such as a driver sits. The cab 20 is located above the engine attached to the vehicle body frame 10. That is, the vehicle 1 is a cab over type vehicle.

  The fuel tank 30 stores fuel supplied to the engine. The fuel tank 30 is a resin tank and has a rectangular parallelepiped shape. The fuel tank 30 is supported by the side frame 11 of the vehicle body frame 10 in a state exposed to the outside. The fuel tank 30 is attached to the side frame 11 via a band 32, for example.

  The urea water tank 40 stores urea water for purifying NOx (nitrogen oxide) in engine exhaust gas. The urea water tank 40 is a resin tank and has a rectangular parallelepiped shape. The urea water stored in the urea water tank 40 is appropriately injected into the exhaust pipe of the engine by the injection nozzle. NOx in the exhaust gas is reduced and purified by ammonia generated from the injected urea water.

  The supply module 50 is a module having a function of supplying urea water from the urea water tank 40 to the injection nozzle. The supply module 50 includes, for example, a pump that supplies urea water to the injection nozzle. The supply modules 50 are arranged in a row along the vehicle width direction with the urea water tank 40, and the supply modules 50 are located on the side frame 11 side.

  The support bracket 60 is a bracket that supports the urea water tank 40 and the supply module 50. The support bracket 60 is formed, for example, by bending a steel plate. The support bracket 60 is fixed to the side frame 11.

<Detailed configuration of support bracket>
A detailed configuration of the support bracket 60 will be described with reference to FIGS.

  FIG. 2 is a schematic diagram showing a support bracket 60 that supports the urea water tank 40 and the supply module 50. FIG. 3 is a view for explaining the configuration of the support bracket 60. FIG. 4 is a view for explaining a fixing structure of the supply module 50.

  As shown in FIGS. 2 and 3, the support bracket 60 includes a tank side bracket 70 and a frame side bracket 80. The tank side bracket 70 and the frame side bracket 80 are arranged in a line in the vehicle width direction.

  As shown in FIG. 2, the tank-side bracket 70 supports a urea water tank 40 that is a liquid tank. The tank side bracket 70 is configured to surround and support the bottom surface, the back surface, and the side surface of the urea water tank 40. The urea water tank 40 is detachably mounted on the tank side bracket 70. The urea water tank 40 is held on the tank side bracket 70 by a band 42.

  As shown in FIG. 2, the frame side bracket 80 connects the tank side bracket 70 and the side frame 11. The frame side bracket 80 is fixed to the tank side bracket 70 via bolts and is also fixed to the side frame 11 via bolts. The supply module 50 is fixed to the frame side bracket 80.

  The frame side bracket 80 has a structure in which a plurality of sheet metals are combined. As shown in FIG. 3, the frame-side bracket 80 includes a first plate member 82, a second plate member 84, and reinforcing plates 86 and 87. The first plate member 82 and the second plate member 84 are arranged so as to surround the supply module 50. Further, the first plate member 82 and the second plate member 84 are fixed to each other. For example, the first plate member 82 and the second plate member 84 are fixed by welding or the like.

The first plate member 82 is formed in an L shape as shown in FIG. 3 and has a left side surface portion 82a and a back surface portion 82b.
The left side surface portion 82 a faces the left side surface of the supply module 50.
The back surface part 82 b is bent inward from the left side surface part 82 a so as to contact the side frame 11. The back surface portion 82b is fixed to the side frame 11 via bolts.

As shown in FIG. 3, the second plate member 84 includes a right side surface portion 84a, a back surface portion 84b, and a front surface portion 84c.
The right side surface portion 84a faces the right side surface of the supply module 50.
The back surface portion 84 b is bent inward from the right side surface portion 84 a so as to contact the side frame 11. The back surface portion 84b is fixed to the side frame 11 via bolts. In addition, interference with the components arrange | positioned around the support bracket 60 can be prevented because the back surface part 82b and the back surface part 84b are bent inside.

  The front surface portion 84c faces the supply module 50 on the front surface. The front surface portion 84 c is connected to the tank side bracket 70. For example, the front surface portion 84c is connected to the facing portion 71 of the tank side bracket 70 by a fastening member 97 (specifically, a bolt and a nut). The supply module 50 is fixed to the front surface portion 84c. That is, the front surface portion 84c on the side of the frame side bracket 80 that is connected to the tank side bracket 70 is a fixing portion to which the supply module 50 is fixed.

A structure for fixing the supply module 50 to the front surface portion 84c will be described with reference to FIG.
The supply module 50 is fixed to the front surface portion 84 c via a fixing bolt 95. Although two fixing bolts 95 are shown in FIG. 4, the supply module 50 is actually fixed to the front surface portion 84 c by the three fixing bolts 95. The fixing bolt 95 is screwed with the nut 95a on the tip side so as to be sandwiched between the front face portion 84c and the tank side bracket 70.

  As described above, since the supply module 50 is fixed to the front surface portion 84c of the frame side bracket 80, the length of the support bracket 60 in the vehicle width direction can be suppressed. Below, it demonstrates further, contrasting with the comparative example shown in FIG.

FIG. 5 is a schematic diagram for explaining a support bracket 160 according to a comparative example.
The support bracket 160 according to the comparative example also includes a tank side bracket 170 and a frame side bracket 180. In the comparative example, the supply module 50 is fixed to a fixing plate 190 provided on the frame side bracket 180. The fixed plate 190 is located away from the side frame 11. In the case of such a comparative example, the length of the frame side bracket 180 in the vehicle width direction increases, and as a result, the length of the support bracket 160 in the vehicle width direction increases.

  Returning to FIG. 4, the description will be continued. Between the supply module 50 and the front surface portion 84c, a spacer 90 that is a spacing member that holds the distance between the supply module 50 and the front surface portion 84c is provided. That is, the supply module 50 is fixed to the front surface portion 84c with the spacer 90 interposed therebetween. The spacer 90 is formed in a hollow shape so that the fixing bolt 95 can be inserted therethrough. The spacer 90 is disposed around the fastening member 97. By providing the spacer 90, it is possible to prevent the supply module 50 from interfering with the fastening member 97.

  As shown in FIG. 3, the reinforcing plate 86 is attached to the corner of the first plate member 82 on the side facing the side frame 11. The reinforcing plate 86 is connected to the left side surface portion 82a and the back surface portion 82b. Thereby, the rigidity of the 1st board member 82 increases.

  As shown in FIG. 3, the reinforcing plate 87 is attached to the corner of the second plate member 84 on the side facing the side frame 11. The reinforcing plate 87 is connected to the right side surface portion 84a and the back surface portion 84b. Thereby, the rigidity of the 2nd board member 84 increases.

<Effect in this embodiment>
According to the above-described embodiment, the supply module 50 is fixed to the front surface portion 84 c on the connection side with the tank side bracket 70 in the frame side bracket 80 that connects the tank side bracket 70 and the vehicle body frame 10. .
In the case of the above configuration, it is necessary to attach a dedicated fixing plate (for example, the fixing plate 190 in FIG. 5) to the frame side bracket 80 by fixing the supply module 50 to the front surface portion 74 c of the frame side bracket 80. Thus, the frame side bracket 80 can be downsized in the vehicle width direction. As a result, the length of the support bracket 60 in the vehicle width direction can be reduced.

  As mentioned above, although this invention was demonstrated using embodiment, the technical scope of this invention is not limited to the range as described in the said embodiment. It will be apparent to those skilled in the art that various modifications or improvements can be added to the above embodiment. It is apparent from the scope of the claims that the embodiments added with such changes or improvements can be included in the technical scope of the present invention.

DESCRIPTION OF SYMBOLS 10 Body frame 40 Urea water tank 50 Supply module 60 Support bracket 70 Tank side bracket 80 Frame side bracket 82 1st board member 84 2nd board member 84c Front part 86 Reinforcement board 90 Spacer 95 Fixing bolt 97 Fastening member

Claims (4)

A tank-side bracket that supports a liquid tank containing liquid;
A frame side bracket connecting the tank side bracket and the vehicle body frame;
A supply module for supplying the liquid supported by the bracket on the frame side;
With
The supply module fixing structure, wherein the supply module is fixed to a fixing portion on a connection side with the tank side bracket in the frame side bracket. A fastening member for connecting the frame side bracket and the tank side bracket;
The supply module is fixed to the fixing portion via a spacing member arranged around the fastening member.
The supply module fixing structure according to claim 1. The frame side bracket includes a first plate member and a second plate member arranged so as to surround the supply module,
The first plate member and the second plate member are fixed to each other;
The supply module fixing structure according to claim 1 or 2. Each of the first plate member and the second plate member has a bent portion that is bent so as to contact the body frame,
Each of the bent portions is provided with a reinforcing plate,
The supply module fixing structure according to claim 3.

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