JP2019073198A - Washer tank - Google Patents

Abstract

To provide a washer tank which achieves damage prevention of functional components etc., and inhibits foreign objects, such as snow, from being accumulated at the lower surface side.SOLUTION: A washer tank 20 includes: a tank body 21 which stores a cleaning liquid therein; washer pumps 31, 32 which are attached to an outer side of the tank body 21 and feed the cleaning liquid in the tank body 21; a protector 40 which comprises side wall parts 42, 43, 44 attached to the tank body 21 and a bottom plate part 41 connecting lower ends of the side wall parts 42, 43, 44 and in which the side wall parts 42, 43, 44 and the bottom plate part 41 are disposed around a lower part of the washer pump 31 and the bottom plate part 41 is disposed below the washer pump 31; and through holes 48, 49 provided at the bottom plate part 41.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a washer tank for containing a cleaning solution for vehicles.

  Conventionally, even if there is a washer pump or hose nipple exposed from the lower surface (or outer surface) of the washer tank of a vehicle, damage is prevented without a protective structure such as a protector by devising the arrangement of the washer tank. It has corresponded.

Japanese Patent Application Laid-Open No. 9-86351

  In recent years, in vehicles, the number of parts in the engine room has increased and the tank capacity has to be increased, so the tank lower surface of the washer tank is lowered, and there are cases in which the washer pump is exposed from the tank. In such a case, it is conceivable to provide a protective structure on the lower surface of the tank to prevent damage, but if there is a protective structure on the lower surface of the tank, there will be snow accumulation (ice block) to the lower surface of the tank in cold regions. When it is pushed up by this, it may lead to damage to the tank and functional parts (washer pump, hose nipple, etc.), which may hinder the driver's safe running.

  Here, although the above-mentioned Patent Document 1 discloses a bottom wall provided on the lower surface of the washer tank, this is for the purpose of preventing water deposition, and therefore, no hole is formed in the bottom wall, If snow or the like accumulates on the bottom wall, the tank or functional parts may be damaged when pushed up by an external force.

  The present invention has been made in view of the above problems, and has an object to provide a washer tank in which foreign substances such as snow are less likely to be deposited on the lower surface side while preventing damage to functional parts and the like.

A washer tank according to a first invention for solving the above-mentioned problems is
A tank body for containing the cleaning solution inside;
A washer pump attached to the outside of the tank body and delivering the cleaning solution inside the tank body;
A protector having a bottom plate attached to the tank body and disposed below the washer pump;
And at least one through hole provided in the bottom plate portion.

A washer tank according to a second invention for solving the above problems is
In the washer tank according to the first aspect of the invention,
The through hole may be disposed immediately below the washer pump.

A washer tank according to a third invention for solving the above-mentioned problems,
In the washer tank according to the first or second invention,
The bottom plate portion is provided with at least one rib.

A washer tank according to a fourth invention for solving the above-mentioned problems is:
In the washer tank according to the third invention,
At least one of the ribs is characterized in crossing the upper surface of the through hole.

A washer tank according to a fifth aspect of the present invention for solving the above-mentioned problems is:
In the washer tank according to the third or fourth invention,
The cross section of the rib may be any one of a trapezoidal shape, a triangular shape and a semicircular shape.

A washer tank according to a sixth aspect of the present invention for solving the above-mentioned problems is:
In the washer tank according to any one of the first to fifth inventions,
The protector comprises a plurality of side walls attached to the tank body and the bottom plate connecting lower ends of the plurality of side walls, and the plurality of side walls and the bottom plate are around the lower portion of the washer pump. It is characterized in that it is arranged in

A washer tank according to a seventh invention for solving the above-mentioned problems,
In the washer tank according to the sixth invention,
The bottom plate portion is inclined such that the direction in which the through hole is present or the direction in which the side wall portion is absent is lowered.

  According to the present invention, a protector having a through hole can prevent damage to functional parts and the like, and can provide a washer tank in which foreign matter such as snow is less likely to be deposited on the lower surface side.

It is a perspective view showing a vehicle provided with a washer tank concerning the present invention. It is a front view showing an example of an embodiment of a washer tank concerning the present invention. It is a front view which shows the state which removed the washer pump from the washer tank shown in FIG. It is a perspective view which expands and shows the protector part of the washer tank shown in FIG. It is a bottom view which expands and shows the protector part of the washer tank shown in FIG.

  Hereinafter, with reference to the drawings, an embodiment of a washer tank according to the present invention will be described.

Example 1
FIG. 1 is a perspective view showing a vehicle provided with a washer tank of the present embodiment. Moreover, FIG. 2 is a front view which shows the washer tank of a present Example, FIG. 3 is a front view which shows the state which removed the washer pump from the washer tank shown in FIG. 4 is an enlarged perspective view showing the protector part of the washer tank shown in FIG. 3, and FIG. 5 is an enlarged bottom view showing the protector part of the washer tank shown in FIG.

  As shown in FIG. 1, the vehicle 10 has a washer tank 20 in the engine room that contains a cleaning solution for cleaning the front window 12, the rear window, the headlamp 13 and the like. As described above, in recent years, the number of vehicle parts in the engine room increases, and there is a need to increase the tank capacity, so in the vehicle 10, the washer tank 20 is disposed on the side of the front bumper 11 in front of the vehicle. The bottom of the tank is lowered.

  As shown in FIG. 2, the washer tank 20 mainly includes a tank body 21 for containing a cleaning solution and a plurality of washer pumps 31 and 32 attached to the outside of the tank body 21. . In the plurality of washer pumps 31, 32, for example, the washer pump 31 is used for the front window 12 and the washer pump 32 is used for the rear window, or the washer pump 31 is used for the front window 12 and the rear window, and the washer pump 32 is a head It is used for the lamp 13. In addition, although the washer pumps 31 and 32 actually have a hose nipple, a feed connector, etc., and a hose and a feed cable are connected respectively, illustration of these is omitted here.

  The tank body 21 is composed of a tank front 21a and a tank rear 21b. The tank front 21a is integrally formed with a protector (protective structure) 40 described later, and is joined with the tank rear 21b at a joint 22. Being formed into a tank shape.

  Further, as shown in FIGS. 2 and 3, a plurality of convex portions 23, 24 and 25 are formed on the front surface of the tank front portion 21 a, and the concave portions 26 and 27 between the convex portions 23, 24 and 25 are provided. Each is a part for accommodating the washer pumps 31, 32. The lower part of the tank main body 21 is provided with liquid reservoirs 28 and 29 which are provided in a semicylindrical shape so as to project from the lower part, and the front side of the liquid reservoirs 28 and 29 There are provided communication holes 28a, 29a in communication with the sensor. The inlets of the washer pumps 31, 32 are inserted into the communication holes 28a, 29a, respectively, and suction the cleaning liquid in the tank body 21 and deliver it to the front window 12, the headlamp 13 or the like.

  In the present embodiment, as an example, the liquid reservoir 28 is disposed at a lower position than the liquid reservoir 29, and therefore the lower end of the washer pump 31 is also at a lower position than the lower end of the washer pump 32. The lower end of the washer pump 31 is positioned lower than the lower surface 21 c of the tank body 21. In such a configuration, the washer pump 31 at the lower position may be damaged, so a protector 40 is provided around the lower portion of the washer pump 31 to protect it. Thus, the protector 40 may be provided for the washer pump 31 at a position lower than at least the lower surface 21 c of the tank main body 21, but may be provided for the washer pump 32.

  The protector 40 is attached to the tank body 21 as shown in FIGS. 4 and 5 together with FIGS. 2 and 3 and includes a bottom plate portion 41 and a plurality of side wall portions 42, 43 and 44. More specifically, the side wall 42 is connected to the projection 23 and extends downward, the side wall 43 is connected to the projection 24 and extends downward, and the side wall 44 is connected to the liquid reservoir 28. The bottom plate portion 41 is connected to the lower ends of the side wall portion 42, the side wall portion 43, and the side wall portion 44, and the bottom plate portion 41 is disposed below the washer pump 31.

  In this manner, the protector 40 moves downward around the lower portion of the washer pump 31 by the projection 23, the projection 24 and the liquid reservoir 28, the bottom plate 41, the side wall 42, the side wall 43 and the side wall 44. It has a closed cross-sectional structure that encloses from the side. Further, the side wall portion 42, the side wall portion 43 and the side wall portion 44 are all connected to the convex portion 23, the convex portion 24 and the liquid reservoir portion 28 which are convex. Such a structure enhances the strength of the protector 40 itself.

  Furthermore, a plurality of reinforcing ribs 45, 46, 47 are provided on the upper surface of the bottom plate portion 41 and the front surface of the side wall portion 44, and these reinforcing ribs 45, 46, 47 make the bottom plate portion 41 and the side wall portion 44 I am strengthening the strength. The side wall portion 44 is integrally formed with the joint portion 22, which also contributes to the improvement of the strength.

  Further, through holes 48 and 49 are provided in the bottom plate portion 41. The through hole 48 is disposed between the side wall portion 42 and the reinforcing rib 46 and directly below the washer pump 31. The reinforcing rib 45 is provided to cross the upper opening surface (upper surface) of the through hole 48. It is arranged. The through hole 49 is disposed between the side wall 43 and the reinforcing rib 46 and directly below the washer pump 31. The reinforcing rib 47 is disposed to cross the upper opening surface of the through hole 49. It is done. By adopting such a structure, the strength of the protector 40, in particular, the strength of the bottom plate portion 41 provided with the through holes 48 and 49 is not reduced.

  Further, the cross sections (cross sections in the vehicle width direction) of the reinforcing ribs 45, 46, 47 are trapezoidal in cross section, so that foreign substances are not easily deposited on the reinforcing ribs 45, 46, 47. Note that, instead of the trapezoidal cross section, a triangular cross section or a semicircular cross section may be used, and even in this case, it is possible to make it difficult for foreign matter to be deposited on the reinforcing ribs 45, 46, 47.

  Furthermore, the width in the vehicle width direction and the height in the vehicle height direction of the reinforcing ribs 45, 46, 47 may be increased in thickness or heightened from the front side of the vehicle toward the rear side of the vehicle. By doing this, the strength of the protector 40, in particular, the strength of the bottom plate portion 41 around the through holes 48 and 49 may not be reduced.

  Further, the through holes 48 and 49 discharge foreign substances such as snow, ice lumps, mud, stones and the like which enter from above the washer pump 31 downward, whereby foreign substances such as snow directly under the washer pump 31 Will not deposit.

  On the other hand, the reinforcing ribs 45 and 47 which respectively cross the through holes 48 and 49 also play a role of adjusting the opening area (discharge performance) of the through holes 48 and 49, whereby foreign substances such as snow are through holes 48, It does not enter the washer pump 31 side through 49.

  Thus, the number, shape, opening area (size), etc. of the through holes 48, 49 may be determined in consideration of the balance between the discharge performance and the strength of the protector 40. Further, the number, the shape, and the like of the reinforcing ribs 45, 46, 47 may be determined in consideration of the discharge performance of the through holes 48, 49 and the strength of the protector 40.

  Further, the bottom plate portion 41 may be inclined. For example, when the bottom plate portion 41 is inclined so that the through holes 48 and 49 have a lower direction (vehicle rear side), the deposits on the bottom plate portion 41 can be discharged from the through holes 48 and 49, When the bottom plate portion 41 is inclined so that the side wall portions 42, 43 and 44 do not exist (the front side of the vehicle), the deposits on the bottom plate portion 41 are discharged from the front side of the bottom plate portion 41. Can.

  Here, the reinforcing ribs 45, 46, 47 are provided on the upper surface side of the bottom plate portion 41, but may be provided on the lower surface side of the bottom plate portion 41. In that case, the reinforcing rib 45 is disposed to cross the lower opening surface (lower surface) of the through hole 48, and the reinforcing rib 47 is disposed to cross the lower opening surface of the through hole 49.

  With the above-described configuration, the protector 40 can have a strength that is not easily deformed even if a force equivalent to the axle weight is loaded, for example. Therefore, even if the washer tank 20 is disposed on the side of the front bumper 11, and the ground height of the lower surface 21c of the tank body 21 of the washer tank 20 is low, the protector 40 having such strength can travel on rough roads or snow roads. It is possible to protect functional parts (washer pump, hose nipple, etc.) against unintended external input during driving, and to ensure safe driving of the driver.

  Further, through holes 48, 49 having an opening area that does not impair the strength of the protector 40 are provided in the bottom plate portion 41, and foreign substances such as snow are discharged from the through holes 48, 49. It is possible to make it difficult to deposit foreign matter such as snow on the top. As a result, no foreign matter such as snow is deposited even if pushed up by an external force when traveling on a rough road or a snowy road, so damage to the tank or functional parts (washer pump, hose nipple, etc.) can be prevented. Safe driving can be ensured.

  The present invention is suitable for a washer tank of a vehicle.

DESCRIPTION OF SYMBOLS 10 Vehicle 20 washer tank 21 tank main body 22 junction part 23, 24, 25 convex part 28, 29 liquid storage part 31, 32 washer pump 40 protector 41 bottom plate part 42, 43, 44 side wall part 45, 46, 47 reinforcement rib 48, 49 through holes

Claims (7)

A tank body for containing the cleaning solution inside;
A washer pump attached to the outside of the tank body and delivering the cleaning solution inside the tank body;
A protector having a bottom plate attached to the tank body and disposed below the washer pump;
A washer tank comprising: at least one through hole provided in the bottom plate portion. In the washer tank according to claim 1,
The washer tank, wherein the through hole is disposed directly below the washer pump. The washer tank according to claim 1 or 2,
A washer tank characterized in that the bottom plate portion is provided with at least one rib. In the washer tank according to claim 3,
The washer tank, wherein at least one of the ribs crosses the upper surface of the through hole. In the washer tank according to claim 3 or claim 4,
A washer tank characterized in that the cross section of the rib is any one of trapezoidal, triangular and semicircular. The washer tank according to any one of claims 1 to 5,
The protector comprises a plurality of side walls attached to the tank body and the bottom plate connecting lower ends of the plurality of side walls, and the plurality of side walls and the bottom plate are around the lower portion of the washer pump. The washer tank characterized by being arranged in. In the washer tank according to claim 6,
The washer tank characterized in that the bottom plate portion is inclined such that the direction in which the through hole is present or the direction in which the side wall portion is not present is lowered.

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